diff options
| author | Dean Camera <dean@fourwalledcubicle.com> | 2011-02-19 22:59:27 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-02-19 22:59:27 +0000 |
| commit | 1daa5e16f9a395fb2943906a715adb35b8106988 (patch) | |
| tree | 016c5790c2b0e50753f9a4edda21ce54b40e914d /LUFA/Drivers/USB/LowLevel | |
| parent | 3832182fe1de292998eef73e00511f73af0efa87 (diff) | |
| download | lufa-1daa5e16f9a395fb2943906a715adb35b8106988.tar.gz lufa-1daa5e16f9a395fb2943906a715adb35b8106988.tar.bz2 lufa-1daa5e16f9a395fb2943906a715adb35b8106988.zip | |
Initial restructuring of the core USB driver module to support multiple architectures in the future.
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Device.c | 53 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Device.h | 247 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Endpoint.c | 182 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Endpoint.h | 900 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Host.c | 355 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Host.h | 527 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/OTG.h | 155 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.c | 193 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.h | 943 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/USBController.c | 233 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/USBController.h | 472 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/USBInterrupt.c | 269 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/USBInterrupt.h | 106 |
13 files changed, 0 insertions, 4635 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Device.c b/LUFA/Drivers/USB/LowLevel/Device.c deleted file mode 100644 index 099c1c168..000000000 --- a/LUFA/Drivers/USB/LowLevel/Device.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "../HighLevel/USBMode.h" - -#if defined(USB_CAN_BE_DEVICE) - -#include "Device.h" - -void USB_Device_SendRemoteWakeup(void) -{ - if (!(USB_Options & USB_OPT_MANUAL_PLL)) - { - USB_PLL_On(); - while (!(USB_PLL_IsReady())); - } - - USB_CLK_Unfreeze(); - - UDCON |= (1 << RMWKUP); - while (!(UDCON & (1 << RMWKUP))); -} - -#endif - diff --git a/LUFA/Drivers/USB/LowLevel/Device.h b/LUFA/Drivers/USB/LowLevel/Device.h deleted file mode 100644 index ae3df4111..000000000 --- a/LUFA/Drivers/USB/LowLevel/Device.h +++ /dev/null @@ -1,247 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB device mode definitions. - * - * This file contains structures, function prototypes and macros related to USB device mode. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -/** \ingroup Group_USB - * \defgroup Group_Device Device Management - * - * USB Device mode related macros and enums. This module contains macros and enums which are used when - * the USB controller is initialized in device mode. - * - * @{ - */ - -#ifndef __USBDEVICE_H__ -#define __USBDEVICE_H__ - - /* Includes: */ - #include <avr/io.h> - #include <avr/pgmspace.h> - #include <avr/eeprom.h> - - #include "../../../Common/Common.h" - #include "../HighLevel/StdDescriptors.h" - #include "USBInterrupt.h" - #include "Endpoint.h" - - /* Preprocessor Checks: */ - #if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)) - #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive. - #endif - - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name USB Device Mode Option Masks */ - //@{ - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__) - /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the - * USB interface should be initialized in low speed (1.5Mb/s) mode. - * - * \note Low Speed mode is not available on all USB AVR models. - * \n - * - * \note Restrictions apply on the number, size and type of endpoints which can be used - * when running in low speed mode - refer to the USB 2.0 specification. - */ - #define USB_DEVICE_OPT_LOWSPEED (1 << 0) - #endif - - /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the - * USB interface should be initialized in full speed (12Mb/s) mode. - */ - #define USB_DEVICE_OPT_FULLSPEED (0 << 0) - //@} - - /* Function Prototypes: */ - /** Sends a Remote Wakeup request to the host. This signals to the host that the device should - * be taken out of suspended mode, and communications should resume. - * - * Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the - * host computer when the host has suspended all USB devices to enter a low power state. - * - * \note This macro should only be used if the device has indicated to the host that it - * supports the Remote Wakeup feature in the device descriptors, and should only be - * issued if the host is currently allowing remote wakeup events from the device (i.e., - * the \ref USB_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP compile - * time option is used, this macro is unavailable. - * \n\n - * - * \note The USB clock must be running for this function to operate. If the stack is initialized with - * the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running - * before attempting to call this function. - * - * \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors. - */ - void USB_Device_SendRemoteWakeup(void); - - /* Type Defines: */ - enum USB_Device_States_t - { - DEVICE_STATE_Unattached = 0, /**< Internally implemented by the library. This state indicates - * that the device is not currently connected to a host. - */ - DEVICE_STATE_Powered = 1, /**< Internally implemented by the library. This state indicates - * that the device is connected to a host, but enumeration has not - * yet begun. - */ - DEVICE_STATE_Default = 2, /**< Internally implemented by the library. This state indicates - * that the device's USB bus has been reset by the host and it is - * now waiting for the host to begin the enumeration process. - */ - DEVICE_STATE_Addressed = 3, /**< Internally implemented by the library. This state indicates - * that the device has been addressed by the USB Host, but is not - * yet configured. - */ - DEVICE_STATE_Configured = 4, /**< May be implemented by the user project. This state indicates - * that the device has been enumerated by the host and is ready - * for USB communications to begin. - */ - DEVICE_STATE_Suspended = 5, /**< May be implemented by the user project. This state indicates - * that the USB bus has been suspended by the host, and the device - * should power down to a minimal power level until the bus is - * resumed. - */ - }; - - /* Inline Functions: */ - /** Returns the current USB frame number, when in device mode. Every millisecond the USB bus is active (i.e. enumerated to a host) - * the frame number is incremented by one. - */ - static inline uint16_t USB_Device_GetFrameNumber(void) - { - return UDFNUM; - } - - #if !defined(NO_SOF_EVENTS) - /** Enables the device mode Start Of Frame events. When enabled, this causes the - * \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, - * at the start of each USB frame when enumerated in device mode. - * - * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. - */ - static inline void USB_Device_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; - static inline void USB_Device_EnableSOFEvents(void) - { - USB_INT_Enable(USB_INT_SOFI); - } - - /** Disables the device mode Start Of Frame events. When disabled, this stops the firing of the - * \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode. - * - * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. - */ - static inline void USB_Device_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; - static inline void USB_Device_DisableSOFEvents(void) - { - USB_INT_Disable(USB_INT_SOFI); - } - #endif - - /* Function Prototypes: */ - /** Function to retrieve a given descriptor's size and memory location from the given descriptor type value, - * index and language ID. This function MUST be overridden in the user application (added with full, identical - * prototype and name so that the library can call it to retrieve descriptor data. - * - * \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the - * lower byte (when more than one descriptor of the given type exists, such as the - * case of string descriptors). The type may be one of the standard types defined - * in the DescriptorTypes_t enum, or may be a class-specific descriptor type value. - * \param[in] wIndex The language ID of the string to return if the \c wValue type indicates - * \ref DTYPE_String, otherwise zero for standard descriptors, or as defined in a - * class-specific standards. - * \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to - * the address of the descriptor. - * \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory - * space in which the descriptor is stored. This parameter does not exist when one - * of the \c USE_*_DESCRIPTORS compile time options is used. - * - * \note By default, the library expects all descriptors to be located in flash memory via the \c PROGMEM attribute. - * If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to - * allow the descriptors to be changed dynamically at runtime) either the \c USE_RAM_DESCRIPTORS or the - * \c USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D - * switch. - * - * \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise. - */ - uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, - const uint8_t wIndex, - const void** const DescriptorAddress - #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS) - , uint8_t* MemoryAddressSpace - #endif - ) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Inline Functions: */ - #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) - static inline void USB_Device_SetLowSpeed(void) ATTR_ALWAYS_INLINE; - static inline void USB_Device_SetLowSpeed(void) - { - UDCON |= (1 << LSM); - } - - static inline void USB_Device_SetFullSpeed(void) ATTR_ALWAYS_INLINE; - static inline void USB_Device_SetFullSpeed(void) - { - UDCON &= ~(1 << LSM); - } - #endif - - static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; - static inline void USB_Device_SetDeviceAddress(const uint8_t Address) - { - UDADDR = ((UDADDR & (1 << ADDEN)) | (Address & 0x7F)); - UDADDR |= (1 << ADDEN); - } - - static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE; - static inline bool USB_Device_IsAddressSet(void) - { - return (UDADDR & (1 << ADDEN)); - } - #endif - -#endif - -/** @} */ - diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c deleted file mode 100644 index 33f5ec924..000000000 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "../HighLevel/USBMode.h" - -#if defined(USB_CAN_BE_DEVICE) - -#include "Endpoint.h" - -#if !defined(FIXED_CONTROL_ENDPOINT_SIZE) -uint8_t USB_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE; -#endif - -bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, - const uint8_t UECFG0XData, - const uint8_t UECFG1XData) -{ -#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG) - Endpoint_SelectEndpoint(Number); - Endpoint_EnableEndpoint(); - - UECFG1X = 0; - UECFG0X = UECFG0XData; - UECFG1X = UECFG1XData; - - return Endpoint_IsConfigured(); -#else - for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) - { - uint8_t UECFG0XTemp; - uint8_t UECFG1XTemp; - uint8_t UEIENXTemp; - - Endpoint_SelectEndpoint(EPNum); - - if (EPNum == Number) - { - UECFG0XTemp = UECFG0XData; - UECFG1XTemp = UECFG1XData; - UEIENXTemp = 0; - } - else - { - UECFG0XTemp = UECFG0X; - UECFG1XTemp = UECFG1X; - UEIENXTemp = UEIENX; - } - - if (!(UECFG1XTemp & (1 << ALLOC))) - continue; - - Endpoint_DisableEndpoint(); - UECFG1X &= (1 << ALLOC); - - Endpoint_EnableEndpoint(); - UECFG0X = UECFG0XTemp; - UECFG1X = UECFG1XTemp; - UEIENX = UEIENXTemp; - - if (!(Endpoint_IsConfigured())) - return false; - } - - Endpoint_SelectEndpoint(Number); - return true; -#endif -} - -void Endpoint_ClearEndpoints(void) -{ - UEINT = 0; - - for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) - { - Endpoint_SelectEndpoint(EPNum); - UEIENX = 0; - UEINTX = 0; - UECFG1X = 0; - Endpoint_DisableEndpoint(); - } -} - -void Endpoint_ClearStatusStage(void) -{ - if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST) - { - while (!(Endpoint_IsOUTReceived())) - { - if (USB_DeviceState == DEVICE_STATE_Unattached) - return; - } - - Endpoint_ClearOUT(); - } - else - { - while (!(Endpoint_IsINReady())) - { - if (USB_DeviceState == DEVICE_STATE_Unattached) - return; - } - - Endpoint_ClearIN(); - } -} - -#if !defined(CONTROL_ONLY_DEVICE) -uint8_t Endpoint_WaitUntilReady(void) -{ - #if (USB_STREAM_TIMEOUT_MS < 0xFF) - uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; - #else - uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; - #endif - - uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber(); - - for (;;) - { - if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN) - { - if (Endpoint_IsINReady()) - return ENDPOINT_READYWAIT_NoError; - } - else - { - if (Endpoint_IsOUTReceived()) - return ENDPOINT_READYWAIT_NoError; - } - - uint8_t USB_DeviceState_LCL = USB_DeviceState; - - if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) - return ENDPOINT_READYWAIT_DeviceDisconnected; - else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) - return ENDPOINT_READYWAIT_BusSuspended; - else if (Endpoint_IsStalled()) - return ENDPOINT_READYWAIT_EndpointStalled; - - uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber(); - - if (CurrentFrameNumber != PreviousFrameNumber) - { - PreviousFrameNumber = CurrentFrameNumber; - - if (!(TimeoutMSRem--)) - return ENDPOINT_READYWAIT_Timeout; - } - } -} -#endif - -#endif - diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h deleted file mode 100644 index 455577c5a..000000000 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ /dev/null @@ -1,900 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB device endpoint management definitions. - * - * This file contains structures, function prototypes and macros related to the management of the device's - * data endpoints when the library is initialized in USB device mode. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -/** \ingroup Group_EndpointManagement - * \defgroup Group_EndpointRW Endpoint Data Reading and Writing - * - * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints. - */ - -/** \ingroup Group_EndpointRW - * \defgroup Group_EndpointPrimitiveRW Read/Write of Primitive Data Types - * - * Functions, macros, variables, enums and types related to data reading and writing of primitive data types - * from and to endpoints. - */ - -/** \ingroup Group_EndpointManagement - * \defgroup Group_EndpointPacketManagement Endpoint Packet Management - * - * Functions, macros, variables, enums and types related to packet management of endpoints. - */ - -/** \ingroup Group_USB - * \defgroup Group_EndpointManagement Endpoint Management - * - * Functions, macros and enums related to endpoint management when in USB Device mode. This - * module contains the endpoint management macros, as well as endpoint interrupt and data - * send/receive functions for various data types. - * - * @{ - */ - -#ifndef __ENDPOINT_H__ -#define __ENDPOINT_H__ - - /* Includes: */ - #include <avr/io.h> - #include <stdbool.h> - - #include "../../../Common/Common.h" - #include "../HighLevel/USBTask.h" - #include "USBInterrupt.h" - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - #define _ENDPOINT_GET_MAXSIZE(EPIndex) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## EPIndex) - #define _ENDPOINT_GET_MAXSIZE2(EPDetails) _ENDPOINT_GET_MAXSIZE3(EPDetails) - #define _ENDPOINT_GET_MAXSIZE3(MaxSize, Banks) (MaxSize) - - #define _ENDPOINT_GET_BANKS(EPIndex) _ENDPOINT_GET_BANKS2(ENDPOINT_DETAILS_EP ## EPIndex) - #define _ENDPOINT_GET_BANKS2(EPDetails) _ENDPOINT_GET_BANKS3(EPDetails) - #define _ENDPOINT_GET_BANKS3(MaxSize, Banks) (Banks) - - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - #define ENDPOINT_DETAILS_MAXEP 7 - - #define ENDPOINT_DETAILS_EP0 64, 2 - #define ENDPOINT_DETAILS_EP1 256, 2 - #define ENDPOINT_DETAILS_EP2 64, 2 - #define ENDPOINT_DETAILS_EP3 64, 2 - #define ENDPOINT_DETAILS_EP4 64, 2 - #define ENDPOINT_DETAILS_EP5 64, 2 - #define ENDPOINT_DETAILS_EP6 64, 2 - #else - #define ENDPOINT_DETAILS_MAXEP 5 - - #define ENDPOINT_DETAILS_EP0 64, 2 - #define ENDPOINT_DETAILS_EP1 64, 1 - #define ENDPOINT_DETAILS_EP2 64, 1 - #define ENDPOINT_DETAILS_EP3 64, 2 - #define ENDPOINT_DETAILS_EP4 64, 2 - #endif - - /* Inline Functions: */ - static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST - ATTR_ALWAYS_INLINE; - static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) - { - uint8_t MaskVal = 0; - uint16_t CheckBytes = 8; - - while (CheckBytes < Bytes) - { - MaskVal++; - CheckBytes <<= 1; - } - - return (MaskVal << EPSIZE0); - } - - /* Function Prototypes: */ - void Endpoint_ClearEndpoints(void); - bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, - const uint8_t UECFG0XData, - const uint8_t UECFG1XData); - - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name Endpoint Direction Masks */ - //@{ - /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint - * should be initialized in the OUT direction - i.e. data flows from host to device. - */ - #define ENDPOINT_DIR_OUT (0 << EPDIR) - - /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint - * should be initialized in the IN direction - i.e. data flows from device to host. - */ - #define ENDPOINT_DIR_IN (1 << EPDIR) - //@} - - /** \name Endpoint Bank Mode Masks */ - //@{ - /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates - * that the endpoint should have one single bank, which requires less USB FIFO memory but results - * in slower transfers as only one USB device (the AVR or the host) can access the endpoint's - * bank at the one time. - */ - #define ENDPOINT_BANK_SINGLE (0 << EPBK0) - - /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates - * that the endpoint should have two banks, which requires more USB FIFO memory but results - * in faster transfers as one USB device (the AVR or the host) can access one bank while the other - * accesses the second bank. - */ - #define ENDPOINT_BANK_DOUBLE (1 << EPBK0) - //@} - - /** Endpoint address for the default control endpoint, which always resides in address 0. This is - * defined for convenience to give more readable code when used with the endpoint macros. - */ - #define ENDPOINT_CONTROLEP 0 - - #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) - /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size - * value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined. - */ - #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 - #endif - - /** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's - * numerical address in the device. - */ - #define ENDPOINT_EPNUM_MASK 0x07 - - /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's - * direction for comparing with the \c ENDPOINT_DESCRIPTOR_DIR_* masks. - */ - #define ENDPOINT_EPDIR_MASK 0x80 - - /** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's - * bank size in the device. - */ - #define ENDPOINT_EPSIZE_MASK 0x7F - - /** Retrives the maximum bank size in bytes of a given endpoint. - * - * \note This macro will only work correctly on endpoint indexes that are compile-time constants - * defined by the preprocessor. - * - * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) - */ - #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex) - - /** Retrieves the total number of banks supported by the given endpoint. - * - * \note This macro will only work correctly on endpoint indexes that are compile-time constants - * defined by the preprocessor. - * - * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) - */ - #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex) - - #if !defined(CONTROL_ONLY_DEVICE) || defined(__DOXYGEN__) - /** Total number of endpoints (including the default control endpoint at address 0) which may - * be used in the device. Different USB AVR models support different amounts of endpoints, - * this value reflects the maximum number of endpoints for the currently selected AVR model. - */ - #define ENDPOINT_TOTAL_ENDPOINTS ENDPOINT_DETAILS_MAXEP - #else - #define ENDPOINT_TOTAL_ENDPOINTS 1 - #endif - - /* Enums: */ - /** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function. - * - * \ingroup Group_EndpointRW - */ - enum Endpoint_WaitUntilReady_ErrorCodes_t - { - ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */ - ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream - * transfer by the host or device. - */ - ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while - * waiting for the endpoint to become ready. - */ - ENDPOINT_READYWAIT_BusSuspended = 3, /**< The USB bus has been suspended by the host and - * no USB endpoint traffic can occur until the bus - * has resumed. - */ - ENDPOINT_READYWAIT_Timeout = 4, /**< The host failed to accept or send the next packet - * within the software timeout period set by the - * \ref USB_STREAM_TIMEOUT_MS macro. - */ - }; - - /* Inline Functions: */ - /** Configures the specified endpoint number with the given endpoint type, direction, bank size - * and banking mode. Once configured, the endpoint may be read from or written to, depending - * on its direction. - * - * \param[in] Number Endpoint number to configure. This must be more than 0 and less than - * \ref ENDPOINT_TOTAL_ENDPOINTS. - * - * \param[in] Type Type of endpoint to configure, a \c EP_TYPE_* mask. Not all endpoint types - * are available on Low Speed USB devices - refer to the USB 2.0 specification. - * - * \param[in] Direction Endpoint data direction, either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN. - * All endpoints (except Control type) are unidirectional - data may only be read - * from or written to the endpoint bank based on its direction, not both. - * - * \param[in] Size Size of the endpoint's bank, where packets are stored before they are transmitted - * to the USB host, or after they have been received from the USB host (depending on - * the endpoint's data direction). The bank size must indicate the maximum packet size - * that the endpoint can handle. - * - * \param[in] Banks Number of banks to use for the endpoint being configured, an \c ENDPOINT_BANK_* mask. - * More banks uses more USB DPRAM, but offers better performance. Isochronous type - * endpoints <b>must</b> have at least two banks. - * - * \note When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in - * ascending order, or bank corruption will occur. - * \n\n - * - * \note Certain models of USB AVR's endpoints may have different maximum packet sizes based on the endpoint's - * index - refer to the chosen USB AVR's datasheet to determine the maximum bank size for each endpoint. - * \n\n - * - * \note The default control endpoint should not be manually configured by the user application, as - * it is automatically configured by the library internally. - * \n\n - * - * \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint - * which failed to reconfigure correctly will be selected. - * - * \return Boolean \c true if the configuration succeeded, \c false otherwise. - */ - static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, - const uint8_t Type, - const uint8_t Direction, - const uint16_t Size, - const uint8_t Banks) ATTR_ALWAYS_INLINE; - static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, - const uint8_t Type, - const uint8_t Direction, - const uint16_t Size, - const uint8_t Banks) - { - return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)), - ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size))); - } - - /** Indicates the number of bytes currently stored in the current endpoint's selected bank. - * - * \note The return width of this function may differ, depending on the maximum endpoint bank size - * of the selected AVR model. - * - * \ingroup Group_EndpointRW - * - * \return Total number of bytes in the currently selected Endpoint's FIFO buffer. - */ - static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Endpoint_BytesInEndpoint(void) - { - #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - return UEBCX; - #elif defined(USB_SERIES_4_AVR) - return (((uint16_t)UEBCHX << 8) | UEBCLX); - #elif defined(USB_SERIES_2_AVR) - return UEBCLX; - #endif - } - - /** Get the endpoint address of the currently selected endpoint. This is typically used to save - * the currently selected endpoint number so that it can be restored after another endpoint has - * been manipulated. - * - * \return Index of the currently selected endpoint. - */ - static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Endpoint_GetCurrentEndpoint(void) - { - #if !defined(CONTROL_ONLY_DEVICE) - return (UENUM & ENDPOINT_EPNUM_MASK); - #else - return ENDPOINT_CONTROLEP; - #endif - } - - /** Selects the given endpoint number. If the address from the device descriptors is used, the - * value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint - * number (and discarding the endpoint direction bit). - * - * Any endpoint operations which do not require the endpoint number to be indicated will operate on - * the currently selected endpoint. - * - * \param[in] EndpointNumber Endpoint number to select. - */ - static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; - static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) - { - #if !defined(CONTROL_ONLY_DEVICE) - UENUM = EndpointNumber; - #endif - } - - /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's - * data In and Out pointers to the bank's contents. - * - * \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset. - */ - static inline void Endpoint_ResetFIFO(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; - static inline void Endpoint_ResetFIFO(const uint8_t EndpointNumber) - { - UERST = (1 << EndpointNumber); - UERST = 0; - } - - /** Enables the currently selected endpoint so that data can be sent and received through it to - * and from a host. - * - * \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint(). - */ - static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_EnableEndpoint(void) - { - UECONX |= (1 << EPEN); - } - - /** Disables the currently selected endpoint so that data cannot be sent and received through it - * to and from a host. - */ - static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_DisableEndpoint(void) - { - UECONX &= ~(1 << EPEN); - } - - /** Determines if the currently selected endpoint is enabled, but not necessarily configured. - * - * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise. - */ - static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsEnabled(void) - { - return ((UECONX & (1 << EPEN)) ? true : false); - } - - /** Aborts all pending IN transactions on the currently selected endpoint, once the bank - * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function - * will terminate all queued transactions, resetting the endpoint banks ready for a new - * packet. - * - * \ingroup Group_EndpointPacketManagement - */ - static inline void Endpoint_AbortPendingIN(void) - { - while (UESTA0X & (0x03 << NBUSYBK0)) - { - UEINTX |= (1 << RXOUTI); - while (UEINTX & (1 << RXOUTI)); - } - } - - /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for - * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the - * \ref Endpoint_ClearOUT() command. - * - * \ingroup Group_EndpointPacketManagement - * - * \return Total number of busy banks in the selected endpoint. - */ - static inline uint8_t Endpoint_GetBusyBanks(void) - { - return (UESTA0X & (0x03 << NBUSYBK0)); - } - - /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint - * bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN - * direction). This function will return false if an error has occurred in the endpoint, if the endpoint - * is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN - * direction and the endpoint bank is full. - * - * \ingroup Group_EndpointPacketManagement - * - * \return Boolean \c true if the currently selected endpoint may be read from or written to, depending - * on its direction. - */ - static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsReadWriteAllowed(void) - { - return ((UEINTX & (1 << RWAL)) ? true : false); - } - - /** Determines if the currently selected endpoint is configured. - * - * \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise. - */ - static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsConfigured(void) - { - return ((UESTA0X & (1 << CFGOK)) ? true : false); - } - - /** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their - * interrupt duration has elapsed. Which endpoints have interrupted can be determined by - * masking the return value against <tt>(1 << <i>{Endpoint Number}</i>)</tt>. - * - * \return Mask whose bits indicate which endpoints have interrupted. - */ - static inline uint8_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Endpoint_GetEndpointInterrupts(void) - { - return UEINT; - } - - /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type - * endpoints). - * - * \param[in] EndpointNumber Index of the endpoint whose interrupt flag should be tested. - * - * \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise. - */ - static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) - { - return ((UEINT & (1 << EndpointNumber)) ? true : false); - } - - /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. - * - * \ingroup Group_EndpointPacketManagement - * - * \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise. - */ - static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsINReady(void) - { - return ((UEINTX & (1 << TXINI)) ? true : false); - } - - /** Determines if the selected OUT endpoint has received new packet from the host. - * - * \ingroup Group_EndpointPacketManagement - * - * \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise. - */ - static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsOUTReceived(void) - { - return ((UEINTX & (1 << RXOUTI)) ? true : false); - } - - /** Determines if the current CONTROL type endpoint has received a SETUP packet. - * - * \ingroup Group_EndpointPacketManagement - * - * \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise. - */ - static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsSETUPReceived(void) - { - return ((UEINTX & (1 << RXSTPI)) ? true : false); - } - - /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the - * endpoint for the next packet. - * - * \ingroup Group_EndpointPacketManagement - * - * \note This is not applicable for non CONTROL type endpoints. - */ - static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_ClearSETUP(void) - { - UEINTX &= ~(1 << RXSTPI); - } - - /** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the - * next packet and switching to the alternative endpoint bank if double banked. - * - * \ingroup Group_EndpointPacketManagement - */ - static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_ClearIN(void) - { - #if !defined(CONTROL_ONLY_DEVICE) - UEINTX &= ~((1 << TXINI) | (1 << FIFOCON)); - #else - UEINTX &= ~(1 << TXINI); - #endif - } - - /** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint - * for the next packet and switching to the alternative endpoint bank if double banked. - * - * \ingroup Group_EndpointPacketManagement - */ - static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_ClearOUT(void) - { - #if !defined(CONTROL_ONLY_DEVICE) - UEINTX &= ~((1 << RXOUTI) | (1 << FIFOCON)); - #else - UEINTX &= ~(1 << RXOUTI); - #endif - } - - /** Stalls the current endpoint, indicating to the host that a logical problem occurred with the - * indicated endpoint and that the current transfer sequence should be aborted. This provides a - * way for devices to indicate invalid commands to the host so that the current transfer can be - * aborted and the host can begin its own recovery sequence. - * - * The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro - * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected - * endpoint. - * - * \ingroup Group_EndpointPacketManagement - */ - static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_StallTransaction(void) - { - UECONX |= (1 << STALLRQ); - } - - /** Clears the STALL condition on the currently selected endpoint. - * - * \ingroup Group_EndpointPacketManagement - */ - static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_ClearStall(void) - { - UECONX |= (1 << STALLRQC); - } - - /** Determines if the currently selected endpoint is stalled, false otherwise. - * - * \ingroup Group_EndpointPacketManagement - * - * \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise. - */ - static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Endpoint_IsStalled(void) - { - return ((UECONX & (1 << STALLRQ)) ? true : false); - } - - /** Resets the data toggle of the currently selected endpoint. */ - static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_ResetDataToggle(void) - { - UECONX |= (1 << RSTDT); - } - - /** Determines the currently selected endpoint's direction. - * - * \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask. - */ - static inline uint8_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Endpoint_GetEndpointDirection(void) - { - return (UECFG0X & ENDPOINT_DIR_IN); - } - - /** Sets the direction of the currently selected endpoint. - * - * \param[in] DirectionMask New endpoint direction, as a \c ENDPOINT_DIR_* mask. - */ - static inline void Endpoint_SetEndpointDirection(const uint8_t DirectionMask) ATTR_ALWAYS_INLINE; - static inline void Endpoint_SetEndpointDirection(const uint8_t DirectionMask) - { - UECFG0X = ((UECFG0X & ~ENDPOINT_DIR_IN) | DirectionMask); - } - - /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \return Next byte in the currently selected endpoint's FIFO buffer. - */ - static inline uint8_t Endpoint_Read_Byte(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Endpoint_Read_Byte(void) - { - return UEDATX; - } - - /** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \param[in] Byte Next byte to write into the the currently selected endpoint's FIFO buffer. - */ - static inline void Endpoint_Write_Byte(const uint8_t Byte) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Write_Byte(const uint8_t Byte) - { - UEDATX = Byte; - } - - /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - */ - static inline void Endpoint_Discard_Byte(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Discard_Byte(void) - { - uint8_t Dummy; - - Dummy = UEDATX; - } - - /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \return Next word in the currently selected endpoint's FIFO buffer. - */ - static inline uint16_t Endpoint_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Endpoint_Read_Word_LE(void) - { - union - { - uint16_t Word; - uint8_t Bytes[2]; - } Data; - - Data.Bytes[0] = UEDATX; - Data.Bytes[1] = UEDATX; - - return Data.Word; - } - - /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \return Next word in the currently selected endpoint's FIFO buffer. - */ - static inline uint16_t Endpoint_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Endpoint_Read_Word_BE(void) - { - union - { - uint16_t Word; - uint8_t Bytes[2]; - } Data; - - Data.Bytes[1] = UEDATX; - Data.Bytes[0] = UEDATX; - - return Data.Word; - } - - /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \param[in] Word Next word to write to the currently selected endpoint's FIFO buffer. - */ - static inline void Endpoint_Write_Word_LE(const uint16_t Word) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Write_Word_LE(const uint16_t Word) - { - UEDATX = (Word & 0xFF); - UEDATX = (Word >> 8); - } - - /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \param[in] Word Next word to write to the currently selected endpoint's FIFO buffer. - */ - static inline void Endpoint_Write_Word_BE(const uint16_t Word) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Write_Word_BE(const uint16_t Word) - { - UEDATX = (Word >> 8); - UEDATX = (Word & 0xFF); - } - - /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - */ - static inline void Endpoint_Discard_Word(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Discard_Word(void) - { - uint8_t Dummy; - - Dummy = UEDATX; - Dummy = UEDATX; - } - - /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \return Next double word in the currently selected endpoint's FIFO buffer. - */ - static inline uint32_t Endpoint_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint32_t Endpoint_Read_DWord_LE(void) - { - union - { - uint32_t DWord; - uint8_t Bytes[4]; - } Data; - - Data.Bytes[0] = UEDATX; - Data.Bytes[1] = UEDATX; - Data.Bytes[2] = UEDATX; - Data.Bytes[3] = UEDATX; - - return Data.DWord; - } - - /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \return Next double word in the currently selected endpoint's FIFO buffer. - */ - static inline uint32_t Endpoint_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint32_t Endpoint_Read_DWord_BE(void) - { - union - { - uint32_t DWord; - uint8_t Bytes[4]; - } Data; - - Data.Bytes[3] = UEDATX; - Data.Bytes[2] = UEDATX; - Data.Bytes[1] = UEDATX; - Data.Bytes[0] = UEDATX; - - return Data.DWord; - } - - /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \param[in] DWord Next double word to write to the currently selected endpoint's FIFO buffer. - */ - static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) - { - UEDATX = (DWord & 0xFF); - UEDATX = (DWord >> 8); - UEDATX = (DWord >> 16); - UEDATX = (DWord >> 24); - } - - /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN - * direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - * - * \param[in] DWord Next double word to write to the currently selected endpoint's FIFO buffer. - */ - static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) - { - UEDATX = (DWord >> 24); - UEDATX = (DWord >> 16); - UEDATX = (DWord >> 8); - UEDATX = (DWord & 0xFF); - } - - /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. - * - * \ingroup Group_EndpointPrimitiveRW - */ - static inline void Endpoint_Discard_DWord(void) ATTR_ALWAYS_INLINE; - static inline void Endpoint_Discard_DWord(void) - { - uint8_t Dummy; - - Dummy = UEDATX; - Dummy = UEDATX; - Dummy = UEDATX; - Dummy = UEDATX; - } - - /* External Variables: */ - /** Global indicating the maximum packet size of the default control endpoint located at address - * 0 in the device. This value is set to the value indicated in the device descriptor in the user - * project once the USB interface is initialized into device mode. - * - * If space is an issue, it is possible to fix this to a static value by defining the control - * endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile - * via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically - * read from the descriptors at runtime and instead fixed to the given value. When used, it is - * important that the descriptor control endpoint size value matches the size given as the - * \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token - * be used in the device descriptors to ensure this. - * - * \note This variable should be treated as read-only in the user application, and never manually - * changed in value. - */ - #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) - extern uint8_t USB_ControlEndpointSize; - #else - #define USB_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE - #endif - - /* Function Prototypes: */ - /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically, - * with respect to the data direction. This is a convenience function which can be used to - * simplify user control request handling. - */ - void Endpoint_ClearStatusStage(void); - - /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data - * to be read or written to it. - * - * \note This routine should not be called on CONTROL type endpoints. - * - * \ingroup Group_EndpointRW - * - * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum. - */ - uint8_t Endpoint_WaitUntilReady(void); - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/LUFA/Drivers/USB/LowLevel/Host.c b/LUFA/Drivers/USB/LowLevel/Host.c deleted file mode 100644 index e5dd4b0e8..000000000 --- a/LUFA/Drivers/USB/LowLevel/Host.c +++ /dev/null @@ -1,355 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "../HighLevel/USBMode.h" - -#if defined(USB_CAN_BE_HOST) - -#define __INCLUDE_FROM_HOST_C -#include "Host.h" - -void USB_Host_ProcessNextHostState(void) -{ - uint8_t ErrorCode = HOST_ENUMERROR_NoError; - uint8_t SubErrorCode = HOST_ENUMERROR_NoError; - - static uint16_t WaitMSRemaining; - static uint8_t PostWaitState; - - switch (USB_HostState) - { - case HOST_STATE_WaitForDevice: - if (WaitMSRemaining) - { - if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) - { - USB_HostState = PostWaitState; - ErrorCode = HOST_ENUMERROR_WaitStage; - break; - } - - if (!(--WaitMSRemaining)) - USB_HostState = PostWaitState; - } - - break; - case HOST_STATE_Powered: - WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS; - - USB_HostState = HOST_STATE_Powered_WaitForDeviceSettle; - break; - case HOST_STATE_Powered_WaitForDeviceSettle: - if (WaitMSRemaining--) - { - _delay_ms(1); - break; - } - else - { - USB_Host_VBUS_Manual_Off(); - - USB_OTGPAD_On(); - USB_Host_VBUS_Auto_Enable(); - USB_Host_VBUS_Auto_On(); - - USB_HostState = HOST_STATE_Powered_WaitForConnect; - } - - break; - case HOST_STATE_Powered_WaitForConnect: - if (USB_INT_HasOccurred(USB_INT_DCONNI)) - { - USB_INT_Clear(USB_INT_DCONNI); - USB_INT_Clear(USB_INT_DDISCI); - - USB_INT_Clear(USB_INT_VBERRI); - USB_INT_Enable(USB_INT_VBERRI); - - USB_Host_ResumeBus(); - Pipe_ClearPipes(); - - HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Powered_DoReset); - } - - break; - case HOST_STATE_Powered_DoReset: - USB_Host_ResetDevice(); - - HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered_ConfigPipe); - break; - case HOST_STATE_Powered_ConfigPipe: - Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, - PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP, - PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE); - - if (!(Pipe_IsConfigured())) - { - ErrorCode = HOST_ENUMERROR_PipeConfigError; - SubErrorCode = 0; - break; - } - - USB_HostState = HOST_STATE_Default; - break; - case HOST_STATE_Default: - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_GetDescriptor, - .wValue = (DTYPE_Device << 8), - .wIndex = 0, - .wLength = 8, - }; - - uint8_t DataBuffer[8]; - - if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful) - { - ErrorCode = HOST_ENUMERROR_ControlError; - break; - } - - USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)]; - - USB_Host_ResetDevice(); - - HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset); - break; - case HOST_STATE_Default_PostReset: - Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, - PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP, - USB_ControlPipeSize, PIPE_BANK_SINGLE); - - if (!(Pipe_IsConfigured())) - { - ErrorCode = HOST_ENUMERROR_PipeConfigError; - SubErrorCode = 0; - break; - } - - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_SetAddress, - .wValue = USB_HOST_DEVICEADDRESS, - .wIndex = 0, - .wLength = 0, - }; - - if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) - { - ErrorCode = HOST_ENUMERROR_ControlError; - break; - } - - HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet); - break; - case HOST_STATE_Default_PostAddressSet: - USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS); - - EVENT_USB_Host_DeviceEnumerationComplete(); - USB_HostState = HOST_STATE_Addressed; - break; - } - - if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached)) - { - EVENT_USB_Host_DeviceEnumerationFailed(ErrorCode, SubErrorCode); - - USB_Host_VBUS_Auto_Off(); - - EVENT_USB_Host_DeviceUnattached(); - - USB_ResetInterface(); - } -} - -uint8_t USB_Host_WaitMS(uint8_t MS) -{ - bool BusSuspended = USB_Host_IsBusSuspended(); - uint8_t ErrorCode = HOST_WAITERROR_Successful; - bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); - - USB_INT_Disable(USB_INT_HSOFI); - USB_INT_Clear(USB_INT_HSOFI); - - USB_Host_ResumeBus(); - - while (MS) - { - if (USB_INT_HasOccurred(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - MS--; - } - - if ((USB_HostState == HOST_STATE_Unattached) || (USB_CurrentMode != USB_MODE_Host)) - { - ErrorCode = HOST_WAITERROR_DeviceDisconnect; - - break; - } - - if (Pipe_IsError() == true) - { - Pipe_ClearError(); - ErrorCode = HOST_WAITERROR_PipeError; - - break; - } - - if (Pipe_IsStalled() == true) - { - Pipe_ClearStall(); - ErrorCode = HOST_WAITERROR_SetupStalled; - - break; - } - } - - if (BusSuspended) - USB_Host_SuspendBus(); - - if (HSOFIEnabled) - USB_INT_Enable(USB_INT_HSOFI); - - return ErrorCode; -} - -static void USB_Host_ResetDevice(void) -{ - bool BusSuspended = USB_Host_IsBusSuspended(); - - USB_INT_Disable(USB_INT_DDISCI); - - USB_Host_ResetBus(); - while (!(USB_Host_IsBusResetComplete())); - USB_Host_ResumeBus(); - - bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); - - USB_INT_Disable(USB_INT_HSOFI); - USB_INT_Clear(USB_INT_HSOFI); - - for (uint8_t MSRem = 10; MSRem != 0; MSRem--) - { - /* Workaround for powerless-pull-up devices. After a USB bus reset, - all disconnection interrupts are suppressed while a USB frame is - looked for - if it is found within 10ms, the device is still - present. */ - - if (USB_INT_HasOccurred(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - USB_INT_Clear(USB_INT_DDISCI); - break; - } - - _delay_ms(1); - } - - if (HSOFIEnabled) - USB_INT_Enable(USB_INT_HSOFI); - - if (BusSuspended) - USB_Host_SuspendBus(); - - USB_INT_Enable(USB_INT_DDISCI); -} - -uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_SetConfiguration, - .wValue = ConfigNumber, - .wIndex = 0, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - -uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_GetDescriptor, - .wValue = (DTYPE_Device << 8), - .wIndex = 0, - .wLength = sizeof(USB_Descriptor_Device_t), - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(DeviceDescriptorPtr); -} - -uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index, - void* const Buffer, - const uint8_t BufferLength) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_GetDescriptor, - .wValue = (DTYPE_String << 8) | Index, - .wIndex = 0, - .wLength = BufferLength, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(Buffer); -} - -uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointNum) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT), - .bRequest = REQ_ClearFeature, - .wValue = FEATURE_SEL_EndpointHalt, - .wIndex = EndpointNum, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - -#endif - diff --git a/LUFA/Drivers/USB/LowLevel/Host.h b/LUFA/Drivers/USB/LowLevel/Host.h deleted file mode 100644 index 651daf28b..000000000 --- a/LUFA/Drivers/USB/LowLevel/Host.h +++ /dev/null @@ -1,527 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB host mode definitions. - * - * This file contains structures, function prototypes and macros related to USB host mode. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -/** \ingroup Group_USB - * \defgroup Group_Host Host Management - * - * USB Host mode related macros and enums. This module contains macros and enums which are used when - * the USB controller is initialized in host mode. - * - * @{ - */ - -#ifndef __USBHOST_H__ -#define __USBHOST_H__ - - /* Includes: */ - #include <avr/io.h> - #include <stdbool.h> - #include <util/delay.h> - - #include "../../../Common/Common.h" - #include "../HighLevel/StdDescriptors.h" - #include "Pipe.h" - #include "USBInterrupt.h" - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** Indicates the fixed USB device address which any attached device is enumerated to when in - * host mode. As only one USB device may be attached to the AVR in host mode at any one time - * and that the address used is not important (other than the fact that it is non-zero), a - * fixed value is specified by the library. - */ - #define USB_HOST_DEVICEADDRESS 1 - - #if !defined(USB_HOST_TIMEOUT_MS) || defined(__DOXYGEN__) - /** Constant for the maximum software timeout period of sent USB control transactions to an attached - * device. If a device fails to respond to a sent control request within this period, the - * library will return a timeout error code. - * - * This value may be overridden in the user project makefile as the value of the - * \ref USB_HOST_TIMEOUT_MS token, and passed to the compiler using the -D switch. - */ - #define USB_HOST_TIMEOUT_MS 1000 - #endif - - #if !defined(HOST_DEVICE_SETTLE_DELAY_MS) || defined(__DOXYGEN__) - /** Constant for the delay in milliseconds after a device is connected before the library - * will start the enumeration process. Some devices require a delay of up to 5 seconds - * after connection before the enumeration process can start or incorrect operation will - * occur. - * - * The default delay value may be overridden in the user project makefile by defining the - * \c HOST_DEVICE_SETTLE_DELAY_MS token to the required delay in milliseconds, and passed to the - * compiler using the -D switch. - */ - #define HOST_DEVICE_SETTLE_DELAY_MS 1000 - #endif - - /* Enums: */ - /** Enum for the various states of the USB Host state machine. Only some states are - * implemented in the LUFA library - other states are left to the user to implement. - * - * For information on each possible USB host state, refer to the USB 2.0 specification. - * Several of the USB host states are broken up further into multiple smaller sub-states, - * so that they can be internally implemented inside the library in an efficient manner. - * - * \see \ref USB_HostState, which stores the current host state machine state. - */ - enum USB_Host_States_t - { - HOST_STATE_WaitForDeviceRemoval = 0, /**< Internally implemented by the library. This state can be - * used by the library to wait until the attached device is - * removed by the user - useful for when an error occurs or - * further communication with the device is not needed. This - * allows for other code to run while the state machine is - * effectively disabled. - */ - HOST_STATE_WaitForDevice = 1, /**< Internally implemented by the library. This state indicates - * that the stack is waiting for an interval to elapse before - * continuing with the next step of the device enumeration - * process. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Unattached = 2, /**< Internally implemented by the library. This state indicates - * that the host state machine is waiting for a device to be - * attached so that it can start the enumeration process. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Powered = 3, /**< Internally implemented by the library. This state indicates - * that a device has been attached, and the library's internals - * are being configured to begin the enumeration process. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Powered_WaitForDeviceSettle = 4, /**< Internally implemented by the library. This state indicates - * that the stack is waiting for the initial settling period to - * elapse before beginning the enumeration process. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Powered_WaitForConnect = 5, /**< Internally implemented by the library. This state indicates - * that the stack is waiting for a connection event from the USB - * controller to indicate a valid USB device has been attached to - * the bus and is ready to be enumerated. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Powered_DoReset = 6, /**< Internally implemented by the library. This state indicates - * that a valid USB device has been attached, and that it is - * will now be reset to ensure it is ready for enumeration. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Powered_ConfigPipe = 7, /**< Internally implemented by the library. This state indicates - * that the attached device is currently powered and reset, and - * that the control pipe is now being configured by the stack. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Default = 8, /**< Internally implemented by the library. This state indicates - * that the stack is currently retrieving the control endpoint's - * size from the device, so that the control pipe can be altered - * to match. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Default_PostReset = 9, /**< Internally implemented by the library. This state indicates that - * the control pipe is being reconfigured to match the retrieved - * control endpoint size from the device, and the device's USB bus - * address is being set. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Default_PostAddressSet = 10, /**< Internally implemented by the library. This state indicates that - * the device's address has now been set, and the stack is has now - * completed the device enumeration process. This state causes the - * stack to change the current USB device address to that set for - * the connected device, before progressing to the user-implemented - * \ref HOST_STATE_Addressed state for further communications. - * - * \note Do not manually change to this state in the user code. - */ - HOST_STATE_Addressed = 11, /**< May be implemented by the user project. This state should - * set the device configuration before progressing to the - * \ref HOST_STATE_Configured state. Other processing (such as the - * retrieval and processing of the device descriptor) should also - * be placed in this state. - */ - HOST_STATE_Configured = 12, /**< May be implemented by the user project. This state should implement the - * actual work performed on the attached device and changed to the - * \ref HOST_STATE_Suspended or \ref HOST_STATE_WaitForDeviceRemoval states as needed. - */ - HOST_STATE_Suspended = 15, /**< May be implemented by the user project. This state should be maintained - * while the bus is suspended, and changed to either the \ref HOST_STATE_Configured - * (after resuming the bus with the USB_Host_ResumeBus() macro) or the - * \ref HOST_STATE_WaitForDeviceRemoval states as needed. - */ - }; - - /** Enum for the error codes for the \ref EVENT_USB_Host_HostError() event. - * - * \see \ref Group_Events for more information on this event. - */ - enum USB_Host_ErrorCodes_t - { - HOST_ERROR_VBusVoltageDip = 0, /**< VBUS voltage dipped to an unacceptable level. This - * error may be the result of an attached device drawing - * too much current from the VBUS line, or due to the - * AVR's power source being unable to supply sufficient - * current. - */ - }; - - /** Enum for the error codes for the \ref EVENT_USB_Host_DeviceEnumerationFailed() event. - * - * \see \ref Group_Events for more information on this event. - */ - enum USB_Host_EnumerationErrorCodes_t - { - HOST_ENUMERROR_NoError = 0, /**< No error occurred. Used internally, this is not a valid - * ErrorCode parameter value for the \ref EVENT_USB_Host_DeviceEnumerationFailed() - * event. - */ - HOST_ENUMERROR_WaitStage = 1, /**< One of the delays between enumeration steps failed - * to complete successfully, due to a timeout or other - * error. - */ - HOST_ENUMERROR_NoDeviceDetected = 2, /**< No device was detected, despite the USB data lines - * indicating the attachment of a device. - */ - HOST_ENUMERROR_ControlError = 3, /**< One of the enumeration control requests failed to - * complete successfully. - */ - HOST_ENUMERROR_PipeConfigError = 4, /**< The default control pipe (address 0) failed to - * configure correctly. - */ - }; - - /* Inline Functions: */ - /** Returns the current USB frame number, when in host mode. Every millisecond the USB bus is active (i.e. not suspended) - * the frame number is incremented by one. - */ - static inline uint16_t USB_Host_GetFrameNumber(void) - { - return UHFNUM; - } - - #if !defined(NO_SOF_EVENTS) - /** Enables the host mode Start Of Frame events. When enabled, this causes the - * \ref EVENT_USB_Host_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, - * at the start of each USB frame when a device is enumerated while in host mode. - * - * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. - */ - static inline void USB_Host_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_EnableSOFEvents(void) - { - USB_INT_Enable(USB_INT_HSOFI); - } - - /** Disables the host mode Start Of Frame events. When disabled, this stops the firing of the - * \ref EVENT_USB_Host_StartOfFrame() event when enumerated in host mode. - * - * \note Not available when the NO_SOF_EVENTS compile time token is defined. - */ - static inline void USB_Host_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_DisableSOFEvents(void) - { - USB_INT_Disable(USB_INT_HSOFI); - } - #endif - - /** Resets the USB bus, including the endpoints in any attached device and pipes on the AVR host. - * USB bus resets leave the default control pipe configured (if already configured). - * - * If the USB bus has been suspended prior to issuing a bus reset, the attached device will be - * woken up automatically and the bus resumed after the reset has been correctly issued. - */ - static inline void USB_Host_ResetBus(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_ResetBus(void) - { - UHCON |= (1 << RESET); - } - - /** Determines if a previously issued bus reset (via the \ref USB_Host_ResetBus() macro) has - * completed. - * - * \return Boolean \c true if no bus reset is currently being sent, \c false otherwise. - */ - static inline bool USB_Host_IsBusResetComplete(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_Host_IsBusResetComplete(void) - { - return ((UHCON & (1 << RESET)) ? false : true); - } - - /** Resumes USB communications with an attached and enumerated device, by resuming the transmission - * of the 1MS Start Of Frame messages to the device. When resumed, USB communications between the - * host and attached device may occur. - */ - static inline void USB_Host_ResumeBus(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_ResumeBus(void) - { - UHCON |= (1 << SOFEN); - } - - /** Suspends the USB bus, preventing any communications from occurring between the host and attached - * device until the bus has been resumed. This stops the transmission of the 1MS Start Of Frame - * messages to the device. - */ - static inline void USB_Host_SuspendBus(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_SuspendBus(void) - { - UHCON &= ~(1 << SOFEN); - } - - /** Determines if the USB bus has been suspended via the use of the \ref USB_Host_SuspendBus() macro, - * false otherwise. While suspended, no USB communications can occur until the bus is resumed, - * except for the Remote Wakeup event from the device if supported. - * - * \return Boolean \c true if the bus is currently suspended, \c false otherwise. - */ - static inline bool USB_Host_IsBusSuspended(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_Host_IsBusSuspended(void) - { - return ((UHCON & (1 << SOFEN)) ? false : true); - } - - /** Determines if the attached device is currently enumerated in Full Speed mode (12Mb/s), or - * false if the attached device is enumerated in Low Speed mode (1.5Mb/s). - * - * \return Boolean \c true if the attached device is enumerated in Full Speed mode, \c false otherwise. - */ - static inline bool USB_Host_IsDeviceFullSpeed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_Host_IsDeviceFullSpeed(void) - { - return ((USBSTA & (1 << SPEED)) ? true : false); - } - - /** Determines if the attached device is currently issuing a Remote Wakeup request, requesting - * that the host resume the USB bus and wake up the device, false otherwise. - * - * \return Boolean \c true if the attached device has sent a Remote Wakeup request, \c false otherwise. - */ - static inline bool USB_Host_IsRemoteWakeupSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_Host_IsRemoteWakeupSent(void) - { - return ((UHINT & (1 << RXRSMI)) ? true : false); - } - - /** Clears the flag indicating that a Remote Wakeup request has been issued by an attached device. */ - static inline void USB_Host_ClearRemoteWakeupSent(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_ClearRemoteWakeupSent(void) - { - UHINT &= ~(1 << RXRSMI); - } - - /** Accepts a Remote Wakeup request from an attached device. This must be issued in response to - * a device's Remote Wakeup request within 2ms for the request to be accepted and the bus to - * be resumed. - */ - static inline void USB_Host_ResumeFromWakeupRequest(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_ResumeFromWakeupRequest(void) - { - UHCON |= (1 << RESUME); - } - - /** Determines if a resume from Remote Wakeup request is currently being sent to an attached - * device. - * - * \return Boolean \c true if no resume request is currently being sent, \c false otherwise. - */ - static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) - { - return ((UHCON & (1 << RESUME)) ? false : true); - } - - /* Function Prototypes: */ - /** Convenience function. This routine sends a SET CONFIGURATION standard request to the attached - * device, with the given configuration index. This can be used to easily set the device - * configuration without creating and sending the request manually. - * - * \note After this routine returns, the control pipe will be selected. - * - * \param[in] ConfigNumber Configuration index to send to the device. - * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. - */ - uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber); - - /** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached - * device, requesting the device descriptor. This can be used to easily retrieve information - * about the device such as its VID, PID and power requirements. - * - * \note After this routine returns, the control pipe will be selected. - * - * \param[out] DeviceDescriptorPtr Pointer to the destination device descriptor structure where - * the read data is to be stored. - * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. - */ - uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr); - - /** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached - * device, requesting the string descriptor of the specified index. This can be used to easily - * retrieve string descriptors from the device by index, after the index is obtained from the - * Device or Configuration descriptors. - * - * \note After this routine returns, the control pipe will be selected. - * - * \param[in] Index Index of the string index to retrieve. - * \param[out] Buffer Pointer to the destination buffer where the retrieved string descriptor is - * to be stored. - * \param[in] BufferLength Maximum size of the string descriptor which can be stored into the buffer. - * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. - */ - uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index, - void* const Buffer, - const uint8_t BufferLength); - - /** Clears a stall condition on the given pipe, via a CLEAR FEATURE standard request to the attached device. - * - * \note After this routine returns, the control pipe will be selected. - * - * \param[in] EndpointIndex Index of the endpoint to clear, including the endpoint's direction. - * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. - */ - uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointIndex); - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - static inline void USB_Host_HostMode_On(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_HostMode_On(void) - { - USBCON |= (1 << HOST); - } - - static inline void USB_Host_HostMode_Off(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_HostMode_Off(void) - { - USBCON &= ~(1 << HOST); - } - - static inline void USB_Host_VBUS_Auto_Enable(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_VBUS_Auto_Enable(void) - { - OTGCON &= ~(1 << VBUSHWC); - UHWCON |= (1 << UVCONE); - } - - static inline void USB_Host_VBUS_Manual_Enable(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_VBUS_Manual_Enable(void) - { - OTGCON |= (1 << VBUSHWC); - UHWCON &= ~(1 << UVCONE); - - DDRE |= (1 << 7); - } - - static inline void USB_Host_VBUS_Auto_On(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_VBUS_Auto_On(void) - { - OTGCON |= (1 << VBUSREQ); - } - - static inline void USB_Host_VBUS_Manual_On(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_VBUS_Manual_On(void) - { - PORTE |= (1 << 7); - } - - static inline void USB_Host_VBUS_Auto_Off(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_VBUS_Auto_Off(void) - { - OTGCON |= (1 << VBUSRQC); - } - - static inline void USB_Host_VBUS_Manual_Off(void) ATTR_ALWAYS_INLINE; - static inline void USB_Host_VBUS_Manual_Off(void) - { - PORTE &= ~(1 << 7); - } - - static inline void USB_Host_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; - static inline void USB_Host_SetDeviceAddress(const uint8_t Address) - { - UHADDR = (Address & 0x7F); - } - - /* Enums: */ - enum USB_Host_WaitMSErrorCodes_t - { - HOST_WAITERROR_Successful = 0, - HOST_WAITERROR_DeviceDisconnect = 1, - HOST_WAITERROR_PipeError = 2, - HOST_WAITERROR_SetupStalled = 3, - }; - - /* Function Prototypes: */ - void USB_Host_ProcessNextHostState(void); - uint8_t USB_Host_WaitMS(uint8_t MS); - - #if defined(__INCLUDE_FROM_HOST_C) - static void USB_Host_ResetDevice(void); - #endif - #endif - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/LUFA/Drivers/USB/LowLevel/OTG.h b/LUFA/Drivers/USB/LowLevel/OTG.h deleted file mode 100644 index 2cb751dad..000000000 --- a/LUFA/Drivers/USB/LowLevel/OTG.h +++ /dev/null @@ -1,155 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB OTG mode definitions. - * - * This file contains structures, function prototypes and macros related to USB OTG mode, where two USB devices - * may be linked directly together and exchange host/device roles as needed. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -/** \ingroup Group_USB - * \defgroup Group_OTG USB On The Go (OTG) Management - * - * This module contains macros for embedded USB hosts with dual role On The Go capabilities, for managing role - * exchange. OTG is a way for two USB dual role devices to talk to one another directly without fixed device/host - * roles. - * - * @{ - */ - -#ifndef __USBOTG_H__ -#define __USBOTG_H__ - - /* Includes: */ - #include <avr/io.h> - #include <stdbool.h> - - #include "../../../Common/Common.h" - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** Mask for the VBUS pulsing method of SRP, supported by some OTG devices. - * - * \see \ref USB_OTG_Device_InitiateSRP(). - */ - #define USB_OTG_SRP_VBUS (1 << SRPSEL) - - /** Mask for the Data + pulsing method of SRP, supported by some OTG devices. - * - * \see \ref USB_OTG_Device_InitiateSRP(). - */ - #define USB_OTG_STP_DATA 0 - - /* Inline Functions: */ - /** Initiate a Host Negotiation Protocol request. This indicates to the other connected device - * that the device wishes to change device/host roles. - */ - static inline void USB_OTG_Device_RequestHNP(void) ATTR_ALWAYS_INLINE; - static inline void USB_OTG_Device_RequestHNP(void) - { - OTGCON |= (1 << HNPREQ); - } - - /** Cancel a Host Negotiation Protocol request. This stops a pending HNP request to the other - * connected device. - */ - static inline void USB_OTG_Device_CancelHNPRequest(void) ATTR_ALWAYS_INLINE; - static inline void USB_OTG_Device_CancelHNPRequest(void) - { - OTGCON &= ~(1 << HNPREQ); - } - - /** Determines if the device is currently sending a HNP to an attached host. - * - * \return Boolean \c true if currently sending a HNP to the other connected device, \c false otherwise - */ - static inline bool USB_OTG_Device_IsSendingHNP(void) ATTR_ALWAYS_INLINE; - static inline bool USB_OTG_Device_IsSendingHNP(void) - { - return ((OTGCON & (1 << HNPREQ)) ? true : false); - } - - /** Initiates a Session Request Protocol request. Most OTG devices turn off VBUS when the USB - * interface is not in use, to conserve power. Sending a SRP to a USB OTG device running in - * host mode indicates that VBUS should be applied and a session started. - * - * There are two different methods of sending a SRP - either pulses on the VBUS line, or by - * pulsing the Data + line via the internal pull-up resistor. - * - * \param[in] SRPTypeMask Mask indicating the type of SRP to use, either \ref USB_OTG_SRP_VBUS or - * \ref USB_OTG_STP_DATA. - */ - static inline void USB_OTG_Device_InitiateSRP(const uint8_t SRPTypeMask) ATTR_ALWAYS_INLINE; - static inline void USB_OTG_Device_InitiateSRP(const uint8_t SRPTypeMask) - { - OTGCON = ((OTGCON & ~(1 << SRPSEL)) | (SRPTypeMask | (1 << SRPREQ))); - } - - /** Accepts a HNP from a connected device, indicating that both devices should exchange - * device/host roles. - */ - static inline void USB_OTG_Host_AcceptHNP(void) ATTR_ALWAYS_INLINE; - static inline void USB_OTG_Host_AcceptHNP(void) - { - OTGCON |= (1 << HNPREQ); - } - - /** Rejects a HNP from a connected device, indicating that both devices should remain in their - * current device/host roles. - */ - static inline void USB_OTG_Host_RejectHNP(void) ATTR_ALWAYS_INLINE; - static inline void USB_OTG_Host_RejectHNP(void) - { - OTGCON &= ~(1 << HNPREQ); - } - - /** Indicates if the connected device is not currently sending a HNP request. - * - * \return Boolean \c true if a HNP is currently being issued by the connected device, \c false otherwise. - */ - static inline bool USB_OTG_Host_IsHNPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_OTG_Host_IsHNPReceived(void) - { - return ((OTGCON & (1 << HNPREQ)) ? true : false); - } - -#endif - -/** @} */ - diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c deleted file mode 100644 index 82a9c1a49..000000000 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "../HighLevel/USBMode.h" - -#if defined(USB_CAN_BE_HOST) - -#include "Pipe.h" - -uint8_t USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; - -bool Pipe_ConfigurePipe(const uint8_t Number, - const uint8_t Type, - const uint8_t Token, - const uint8_t EndpointNumber, - const uint16_t Size, - const uint8_t Banks) -{ -#if defined(ORDERED_EP_CONFIG) - Pipe_SelectPipe(Number); - Pipe_EnablePipe(); - - UPCFG1X = 0; - - UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0)); - UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size)); - - Pipe_SetInfiniteINRequests(); - - return Pipe_IsConfigured(); -#else - for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++) - { - uint8_t UPCFG0XTemp; - uint8_t UPCFG1XTemp; - uint8_t UPCFG2XTemp; - uint8_t UPCONXTemp; - uint8_t UPINRQXTemp; - uint8_t UPIENXTemp; - - Pipe_SelectPipe(PNum); - - if (PNum == Number) - { - UPCFG0XTemp = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0)); - UPCFG1XTemp = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size)); - UPCFG2XTemp = 0; - UPCONXTemp = ((1 << PEN) | (1 << INMODE)); - UPINRQXTemp = 0; - UPIENXTemp = 0; - } - else - { - UPCFG0XTemp = UPCFG0X; - UPCFG1XTemp = UPCFG1X; - UPCFG2XTemp = UPCFG2X; - UPCONXTemp = UPCONX; - UPINRQXTemp = UPINRQX; - UPIENXTemp = UPIENX; - } - - if (!(UPCFG1XTemp & (1 << ALLOC))) - continue; - - Pipe_DisablePipe(); - UPCFG1X &= (1 << ALLOC); - - Pipe_EnablePipe(); - UPCFG0X = UPCFG0XTemp; - UPCFG1X = UPCFG1XTemp; - UPCFG2X = UPCFG2XTemp; - UPCONX = UPCONXTemp; - UPINRQX = UPINRQXTemp; - UPIENX = UPIENXTemp; - - if (!(Pipe_IsConfigured())) - return false; - } - - Pipe_SelectPipe(Number); - return true; -#endif -} - -void Pipe_ClearPipes(void) -{ - UPINT = 0; - - for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) - { - Pipe_SelectPipe(PNum); - UPIENX = 0; - UPINTX = 0; - UPCFG1X = 0; - Pipe_DisablePipe(); - } -} - -bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) -{ - uint8_t PrevPipeNumber = Pipe_GetCurrentPipe(); - - for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) - { - Pipe_SelectPipe(PNum); - - if (!(Pipe_IsConfigured())) - continue; - - uint8_t PipeToken = Pipe_GetPipeToken(); - bool PipeTokenCorrect = true; - - if (PipeToken != PIPE_TOKEN_SETUP) - PipeTokenCorrect = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT)); - - if (PipeTokenCorrect && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK))) - return true; - } - - Pipe_SelectPipe(PrevPipeNumber); - return false; -} - -uint8_t Pipe_WaitUntilReady(void) -{ - #if (USB_STREAM_TIMEOUT_MS < 0xFF) - uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; - #else - uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; - #endif - - uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); - - for (;;) - { - if (Pipe_GetPipeToken() == PIPE_TOKEN_IN) - { - if (Pipe_IsINReceived()) - return PIPE_READYWAIT_NoError; - } - else - { - if (Pipe_IsOUTReady()) - return PIPE_READYWAIT_NoError; - } - - if (Pipe_IsStalled()) - return PIPE_READYWAIT_PipeStalled; - else if (USB_HostState == HOST_STATE_Unattached) - return PIPE_READYWAIT_DeviceDisconnected; - - uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); - - if (CurrentFrameNumber != PreviousFrameNumber) - { - PreviousFrameNumber = CurrentFrameNumber; - - if (!(TimeoutMSRem--)) - return PIPE_READYWAIT_Timeout; - } - } -} - -#endif - diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h deleted file mode 100644 index 34a64a7c5..000000000 --- a/LUFA/Drivers/USB/LowLevel/Pipe.h +++ /dev/null @@ -1,943 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB host pipe management definitions. - * - * This file contains structures, function prototypes and macros related to the management of the device's - * data pipes when the library is initialized in USB host mode. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -/** \ingroup Group_PipeManagement - * \defgroup Group_PipeRW Pipe Data Reading and Writing - * - * Functions, macros, variables, enums and types related to data reading and writing from and to pipes. - */ - -/** \ingroup Group_PipeRW - * \defgroup Group_PipePrimitiveRW Read/Write of Primitive Data Types - * - * Functions, macros, variables, enums and types related to data reading and writing of primitive data types - * from and to pipes. - */ - -/** \ingroup Group_PipeManagement - * \defgroup Group_PipePacketManagement Pipe Packet Management - * - * Functions, macros, variables, enums and types related to packet management of pipes. - */ - -/** \ingroup Group_PipeManagement - * \defgroup Group_PipeControlReq Pipe Control Request Management - * - * Module for host mode request processing. This module allows for the transmission of standard, class and - * vendor control requests to the default control endpoint of an attached device while in host mode. - * - * \see Chapter 9 of the USB 2.0 specification. - */ - -/** \ingroup Group_USB - * \defgroup Group_PipeManagement Pipe Management - * - * This module contains functions, macros and enums related to pipe management when in USB Host mode. This - * module contains the pipe management macros, as well as pipe interrupt and data send/receive functions - * for various data types. - * - * @{ - */ - -#ifndef __PIPE_H__ -#define __PIPE_H__ - - /* Includes: */ - #include <avr/io.h> - #include <stdbool.h> - - #include "../../../Common/Common.h" - #include "../HighLevel/USBTask.h" - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name Pipe Error Flag Masks */ - //@{ - /** Mask for \ref Pipe_GetErrorFlags(), indicating that an overflow error occurred in the pipe on the received data. */ - #define PIPE_ERRORFLAG_OVERFLOW (1 << 6) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that an underflow error occurred in the pipe on the received data. */ - #define PIPE_ERRORFLAG_UNDERFLOW (1 << 5) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a CRC error occurred in the pipe on the received data. */ - #define PIPE_ERRORFLAG_CRC16 (1 << 4) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware timeout error occurred in the pipe. */ - #define PIPE_ERRORFLAG_TIMEOUT (1 << 3) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware PID error occurred in the pipe. */ - #define PIPE_ERRORFLAG_PID (1 << 2) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data PID error occurred in the pipe. */ - #define PIPE_ERRORFLAG_DATAPID (1 << 1) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data toggle error occurred in the pipe. */ - #define PIPE_ERRORFLAG_DATATGL (1 << 0) - //@} - - /** \name Pipe Token Masks */ - //@{ - /** Token mask for \ref Pipe_ConfigurePipe(). This sets the pipe as a SETUP token (for CONTROL type pipes), - * which will trigger a control request on the attached device when data is written to the pipe. - */ - #define PIPE_TOKEN_SETUP (0 << PTOKEN0) - - /** Token mask for \ref Pipe_ConfigurePipe(). This sets the pipe as a IN token (for non-CONTROL type pipes), - * indicating that the pipe data will flow from device to host. - */ - #define PIPE_TOKEN_IN (1 << PTOKEN0) - - /** Token mask for \ref Pipe_ConfigurePipe(). This sets the pipe as a OUT token (for non-CONTROL type pipes), - * indicating that the pipe data will flow from host to device. - */ - #define PIPE_TOKEN_OUT (2 << PTOKEN0) - //@} - - /** \name Pipe Bank Mode Masks */ - //@{ - /** Mask for the bank mode selection for the \ref Pipe_ConfigurePipe() macro. This indicates that the pipe - * should have one single bank, which requires less USB FIFO memory but results in slower transfers as - * only one USB device (the AVR or the attached device) can access the pipe's bank at the one time. - */ - #define PIPE_BANK_SINGLE (0 << EPBK0) - - /** Mask for the bank mode selection for the \ref Pipe_ConfigurePipe() macro. This indicates that the pipe - * should have two banks, which requires more USB FIFO memory but results in faster transfers as one - * USB device (the AVR or the attached device) can access one bank while the other accesses the second - * bank. - */ - #define PIPE_BANK_DOUBLE (1 << EPBK0) - //@} - - /** Pipe address for the default control pipe, which always resides in address 0. This is - * defined for convenience to give more readable code when used with the pipe macros. - */ - #define PIPE_CONTROLPIPE 0 - - /** Default size of the default control pipe's bank, until altered by the Endpoint0Size value - * in the device descriptor of the attached device. - */ - #define PIPE_CONTROLPIPE_DEFAULT_SIZE 64 - - /** Pipe number mask, for masking against pipe addresses to retrieve the pipe's numerical address - * in the device. - */ - #define PIPE_PIPENUM_MASK 0x07 - - /** Total number of pipes (including the default control pipe at address 0) which may be used in - * the device. Different USB AVR models support different amounts of pipes, this value reflects - * the maximum number of pipes for the currently selected AVR model. - */ - #define PIPE_TOTAL_PIPES 7 - - /** Size in bytes of the largest pipe bank size possible in the device. Not all banks on each AVR - * model supports the largest bank size possible on the device; different pipe numbers support - * different maximum bank sizes. This value reflects the largest possible bank of any pipe on the - * currently selected USB AVR model. - */ - #define PIPE_MAX_SIZE 256 - - /** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's - * numerical address in the attached device. - */ - #define PIPE_EPNUM_MASK 0x0F - - /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's - * direction for comparing with the \c ENDPOINT_DESCRIPTOR_DIR_* masks. - */ - #define PIPE_EPDIR_MASK 0x80 - - /* Enums: */ - /** Enum for the possible error return codes of the \ref Pipe_WaitUntilReady() function. - * - * \ingroup Group_PipeRW - */ - enum Pipe_WaitUntilReady_ErrorCodes_t - { - PIPE_READYWAIT_NoError = 0, /**< Pipe ready for next packet, no error. */ - PIPE_READYWAIT_PipeStalled = 1, /**< The device stalled the pipe while waiting. */ - PIPE_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while waiting. */ - PIPE_READYWAIT_Timeout = 3, /**< The device failed to accept or send the next packet - * within the software timeout period set by the - * \ref USB_STREAM_TIMEOUT_MS macro. - */ - }; - - /* Inline Functions: */ - /** Indicates the number of bytes currently stored in the current pipes's selected bank. - * - * \note The return width of this function may differ, depending on the maximum pipe bank size - * of the selected AVR model. - * - * \ingroup Group_PipeRW - * - * \return Total number of bytes in the currently selected pipe's FIFO buffer. - */ - static inline uint16_t Pipe_BytesInPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Pipe_BytesInPipe(void) - { - return UPBCX; - } - - /** Returns the pipe address of the currently selected pipe. This is typically used to save the - * currently selected pipe number so that it can be restored after another pipe has been manipulated. - * - * \return Index of the currently selected pipe. - */ - static inline uint8_t Pipe_GetCurrentPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetCurrentPipe(void) - { - return (UPNUM & PIPE_PIPENUM_MASK); - } - - /** Selects the given pipe number. Any pipe operations which do not require the pipe number to be - * indicated will operate on the currently selected pipe. - * - * \param[in] PipeNumber Index of the pipe to select. - */ - static inline void Pipe_SelectPipe(const uint8_t PipeNumber) ATTR_ALWAYS_INLINE; - static inline void Pipe_SelectPipe(const uint8_t PipeNumber) - { - UPNUM = PipeNumber; - } - - /** Resets the desired pipe, including the pipe banks and flags. - * - * \param[in] PipeNumber Index of the pipe to reset. - */ - static inline void Pipe_ResetPipe(const uint8_t PipeNumber) ATTR_ALWAYS_INLINE; - static inline void Pipe_ResetPipe(const uint8_t PipeNumber) - { - UPRST = (1 << PipeNumber); - UPRST = 0; - } - - /** Enables the currently selected pipe so that data can be sent and received through it to and from - * an attached device. - * - * \pre The currently selected pipe must first be configured properly via \ref Pipe_ConfigurePipe(). - */ - static inline void Pipe_EnablePipe(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_EnablePipe(void) - { - UPCONX |= (1 << PEN); - } - - /** Disables the currently selected pipe so that data cannot be sent and received through it to and - * from an attached device. - */ - static inline void Pipe_DisablePipe(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_DisablePipe(void) - { - UPCONX &= ~(1 << PEN); - } - - /** Determines if the currently selected pipe is enabled, but not necessarily configured. - * - * \return Boolean \c true if the currently selected pipe is enabled, \c false otherwise. - */ - static inline bool Pipe_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsEnabled(void) - { - return ((UPCONX & (1 << PEN)) ? true : false); - } - - /** Gets the current pipe token, indicating the pipe's data direction and type. - * - * \return The current pipe token, as a \c PIPE_TOKEN_* mask. - */ - static inline uint8_t Pipe_GetPipeToken(void) ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetPipeToken(void) - { - return (UPCFG0X & (0x03 << PTOKEN0)); - } - - /** Sets the token for the currently selected pipe to one of the tokens specified by the \c PIPE_TOKEN_* - * masks. This can be used on CONTROL type pipes, to allow for bidirectional transfer of data during - * control requests, or on regular pipes to allow for half-duplex bidirectional data transfer to devices - * which have two endpoints of opposite direction sharing the same endpoint address within the device. - * - * \param[in] Token New pipe token to set the selected pipe to, as a \c PIPE_TOKEN_* mask. - */ - static inline void Pipe_SetPipeToken(const uint8_t Token) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetPipeToken(const uint8_t Token) - { - UPCFG0X = ((UPCFG0X & ~(0x03 << PTOKEN0)) | Token); - } - - /** Configures the currently selected pipe to allow for an unlimited number of IN requests. */ - static inline void Pipe_SetInfiniteINRequests(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetInfiniteINRequests(void) - { - UPCONX |= (1 << INMODE); - } - - /** Configures the currently selected pipe to only allow the specified number of IN requests to be - * accepted by the pipe before it is automatically frozen. - * - * \param[in] TotalINRequests Total number of IN requests that the pipe may receive before freezing. - */ - static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) - { - UPCONX &= ~(1 << INMODE); - UPINRQX = TotalINRequests; - } - - /** Determines if the currently selected pipe is configured. - * - * \return Boolean \c true if the selected pipe is configured, \c false otherwise. - */ - static inline bool Pipe_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsConfigured(void) - { - return ((UPSTAX & (1 << CFGOK)) ? true : false); - } - - /** Retrieves the endpoint number of the endpoint within the attached device that the currently selected - * pipe is bound to. - * - * \return Endpoint number the currently selected pipe is bound to. - */ - static inline uint8_t Pipe_BoundEndpointNumber(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_BoundEndpointNumber(void) - { - return ((UPCFG0X >> PEPNUM0) & PIPE_EPNUM_MASK); - } - - /** Sets the period between interrupts for an INTERRUPT type pipe to a specified number of milliseconds. - * - * \param[in] Milliseconds Number of milliseconds between each pipe poll. - */ - static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) - { - UPCFG2X = Milliseconds; - } - - /** Returns a mask indicating which pipe's interrupt periods have elapsed, indicating that the pipe should - * be serviced. - * - * \return Mask whose bits indicate which pipes have interrupted. - */ - static inline uint8_t Pipe_GetPipeInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetPipeInterrupts(void) - { - return UPINT; - } - - /** Determines if the specified pipe number has interrupted (valid only for INTERRUPT type - * pipes). - * - * \param[in] PipeNumber Index of the pipe whose interrupt flag should be tested. - * - * \return Boolean \c true if the specified pipe has interrupted, \c false otherwise. - */ - static inline bool Pipe_HasPipeInterrupted(const uint8_t PipeNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_HasPipeInterrupted(const uint8_t PipeNumber) - { - return ((UPINT & (1 << PipeNumber)) ? true : false); - } - - /** Unfreezes the selected pipe, allowing it to communicate with an attached device. */ - static inline void Pipe_Unfreeze(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Unfreeze(void) - { - UPCONX &= ~(1 << PFREEZE); - } - - /** Freezes the selected pipe, preventing it from communicating with an attached device. */ - static inline void Pipe_Freeze(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Freeze(void) - { - UPCONX |= (1 << PFREEZE); - } - - /** Determines if the currently selected pipe is frozen, and not able to accept data. - * - * \return Boolean \c true if the currently selected pipe is frozen, \c false otherwise. - */ - static inline bool Pipe_IsFrozen(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsFrozen(void) - { - return ((UPCONX & (1 << PFREEZE)) ? true : false); - } - - /** Clears the master pipe error flag. */ - static inline void Pipe_ClearError(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearError(void) - { - UPINTX &= ~(1 << PERRI); - } - - /** Determines if the master pipe error flag is set for the currently selected pipe, indicating that - * some sort of hardware error has occurred on the pipe. - * - * \see \ref Pipe_GetErrorFlags() macro for information on retrieving the exact error flag. - * - * \return Boolean \c true if an error has occurred on the selected pipe, \c false otherwise. - */ - static inline bool Pipe_IsError(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsError(void) - { - return ((UPINTX & (1 << PERRI)) ? true : false); - } - - /** Clears all the currently selected pipe's hardware error flags, but does not clear the master error - * flag for the pipe. - */ - static inline void Pipe_ClearErrorFlags(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearErrorFlags(void) - { - UPERRX = 0; - } - - /** Gets a mask of the hardware error flags which have occurred on the currently selected pipe. This - * value can then be masked against the \c PIPE_ERRORFLAG_* masks to determine what error has occurred. - * - * \return Mask comprising of \c PIPE_ERRORFLAG_* bits indicating what error has occurred on the selected pipe. - */ - static inline uint8_t Pipe_GetErrorFlags(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetErrorFlags(void) - { - return ((UPERRX & (PIPE_ERRORFLAG_CRC16 | PIPE_ERRORFLAG_TIMEOUT | - PIPE_ERRORFLAG_PID | PIPE_ERRORFLAG_DATAPID | - PIPE_ERRORFLAG_DATATGL)) | - (UPSTAX & (PIPE_ERRORFLAG_OVERFLOW | PIPE_ERRORFLAG_UNDERFLOW))); - } - - /** Retrieves the number of busy banks in the currently selected pipe, which have been queued for - * transmission via the \ref Pipe_ClearOUT() command, or are awaiting acknowledgement via the - * \ref Pipe_ClearIN() command. - * - * \ingroup Group_PipePacketManagement - * - * \return Total number of busy banks in the selected pipe. - */ - static inline uint8_t Pipe_GetBusyBanks(void) - { - return (UPSTAX & (0x03 << NBUSYBK0)); - } - - /** Determines if the currently selected pipe may be read from (if data is waiting in the pipe - * bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT - * direction). This function will return false if an error has occurred in the pipe, or if the pipe - * is an IN direction and no packet (or an empty packet) has been received, or if the pipe is an OUT - * direction and the pipe bank is full. - * - * \note This function is not valid on CONTROL type pipes. - * - * \ingroup Group_PipePacketManagement - * - * \return Boolean \c true if the currently selected pipe may be read from or written to, depending - * on its direction. - */ - static inline bool Pipe_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsReadWriteAllowed(void) - { - return ((UPINTX & (1 << RWAL)) ? true : false); - } - - /** Determines if a packet has been received on the currently selected IN pipe from the attached device. - * - * \ingroup Group_PipePacketManagement - * - * \return Boolean \c true if the current pipe has received an IN packet, \c false otherwise. - */ - static inline bool Pipe_IsINReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsINReceived(void) - { - return ((UPINTX & (1 << RXINI)) ? true : false); - } - - /** Determines if the currently selected OUT pipe is ready to send an OUT packet to the attached device. - * - * \ingroup Group_PipePacketManagement - * - * \return Boolean \c true if the current pipe is ready for an OUT packet, \c false otherwise. - */ - static inline bool Pipe_IsOUTReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsOUTReady(void) - { - return ((UPINTX & (1 << TXOUTI)) ? true : false); - } - - /** Determines if no SETUP request is currently being sent to the attached device on the selected - * CONTROL type pipe. - * - * \ingroup Group_PipePacketManagement - * - * \return Boolean \c true if the current pipe is ready for a SETUP packet, \c false otherwise. - */ - static inline bool Pipe_IsSETUPSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsSETUPSent(void) - { - return ((UPINTX & (1 << TXSTPI)) ? true : false); - } - - /** Sends the currently selected CONTROL type pipe's contents to the device as a SETUP packet. - * - * \ingroup Group_PipePacketManagement - */ - static inline void Pipe_ClearSETUP(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearSETUP(void) - { - UPINTX &= ~((1 << TXSTPI) | (1 << FIFOCON)); - } - - /** Acknowledges the reception of a setup IN request from the attached device on the currently selected - * pipe, freeing the bank ready for the next packet. - * - * \ingroup Group_PipePacketManagement - */ - static inline void Pipe_ClearIN(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearIN(void) - { - UPINTX &= ~((1 << RXINI) | (1 << FIFOCON)); - } - - /** Sends the currently selected pipe's contents to the device as an OUT packet on the selected pipe, freeing - * the bank ready for the next packet. - * - * \ingroup Group_PipePacketManagement - */ - static inline void Pipe_ClearOUT(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearOUT(void) - { - UPINTX &= ~((1 << TXOUTI) | (1 << FIFOCON)); - } - - /** Determines if the device sent a NAK (Negative Acknowledge) in response to the last sent packet on - * the currently selected pipe. This occurs when the host sends a packet to the device, but the device - * is not currently ready to handle the packet (i.e. its endpoint banks are full). Once a NAK has been - * received, it must be cleared using \ref Pipe_ClearNAKReceived() before the previous (or any other) packet - * can be re-sent. - * - * \ingroup Group_PipePacketManagement - * - * \return Boolean \c true if an NAK has been received on the current pipe, \c false otherwise. - */ - static inline bool Pipe_IsNAKReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsNAKReceived(void) - { - return ((UPINTX & (1 << NAKEDI)) ? true : false); - } - - /** Clears the NAK condition on the currently selected pipe. - * - * \ingroup Group_PipePacketManagement - * - * \see \ref Pipe_IsNAKReceived() for more details. - */ - static inline void Pipe_ClearNAKReceived(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearNAKReceived(void) - { - UPINTX &= ~(1 << NAKEDI); - } - - /** Determines if the currently selected pipe has had the STALL condition set by the attached device. - * - * \ingroup Group_PipePacketManagement - * - * \return Boolean \c true if the current pipe has been stalled by the attached device, \c false otherwise. - */ - static inline bool Pipe_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsStalled(void) - { - return ((UPINTX & (1 << RXSTALLI)) ? true : false); - } - - /** Clears the STALL condition detection flag on the currently selected pipe, but does not clear the - * STALL condition itself (this must be done via a ClearFeature control request to the device). - * - * \ingroup Group_PipePacketManagement - */ - static inline void Pipe_ClearStall(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearStall(void) - { - UPINTX &= ~(1 << RXSTALLI); - } - - /** Reads one byte from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \return Next byte in the currently selected pipe's FIFO buffer. - */ - static inline uint8_t Pipe_Read_Byte(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_Read_Byte(void) - { - return UPDATX; - } - - /** Writes one byte from the currently selected pipe's bank, for IN direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \param[in] Byte Next byte to write into the the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_Byte(const uint8_t Byte) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_Byte(const uint8_t Byte) - { - UPDATX = Byte; - } - - /** Discards one byte from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW - */ - static inline void Pipe_Discard_Byte(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Discard_Byte(void) - { - uint8_t Dummy; - - Dummy = UPDATX; - } - - /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \return Next word in the currently selected pipe's FIFO buffer. - */ - static inline uint16_t Pipe_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Pipe_Read_Word_LE(void) - { - union - { - uint16_t Word; - uint8_t Bytes[2]; - } Data; - - Data.Bytes[0] = UPDATX; - Data.Bytes[1] = UPDATX; - - return Data.Word; - } - - /** Reads two bytes from the currently selected pipe's bank in big endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \return Next word in the currently selected pipe's FIFO buffer. - */ - static inline uint16_t Pipe_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Pipe_Read_Word_BE(void) - { - union - { - uint16_t Word; - uint8_t Bytes[2]; - } Data; - - Data.Bytes[1] = UPDATX; - Data.Bytes[0] = UPDATX; - - return Data.Word; - } - - /** Writes two bytes to the currently selected pipe's bank in little endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \param[in] Word Next word to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_Word_LE(const uint16_t Word) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_Word_LE(const uint16_t Word) - { - UPDATX = (Word & 0xFF); - UPDATX = (Word >> 8); - } - - /** Writes two bytes to the currently selected pipe's bank in big endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \param[in] Word Next word to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_Word_BE(const uint16_t Word) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_Word_BE(const uint16_t Word) - { - UPDATX = (Word >> 8); - UPDATX = (Word & 0xFF); - } - - /** Discards two bytes from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW - */ - static inline void Pipe_Discard_Word(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Discard_Word(void) - { - uint8_t Dummy; - - Dummy = UPDATX; - Dummy = UPDATX; - } - - /** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \return Next double word in the currently selected pipe's FIFO buffer. - */ - static inline uint32_t Pipe_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint32_t Pipe_Read_DWord_LE(void) - { - union - { - uint32_t DWord; - uint8_t Bytes[4]; - } Data; - - Data.Bytes[0] = UPDATX; - Data.Bytes[1] = UPDATX; - Data.Bytes[2] = UPDATX; - Data.Bytes[3] = UPDATX; - - return Data.DWord; - } - - /** Reads four bytes from the currently selected pipe's bank in big endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \return Next double word in the currently selected pipe's FIFO buffer. - */ - static inline uint32_t Pipe_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint32_t Pipe_Read_DWord_BE(void) - { - union - { - uint32_t DWord; - uint8_t Bytes[4]; - } Data; - - Data.Bytes[3] = UPDATX; - Data.Bytes[2] = UPDATX; - Data.Bytes[1] = UPDATX; - Data.Bytes[0] = UPDATX; - - return Data.DWord; - } - - /** Writes four bytes to the currently selected pipe's bank in little endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \param[in] DWord Next double word to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_DWord_LE(const uint32_t DWord) - { - UPDATX = (DWord & 0xFF); - UPDATX = (DWord >> 8); - UPDATX = (DWord >> 16); - UPDATX = (DWord >> 24); - } - - /** Writes four bytes to the currently selected pipe's bank in big endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW - * - * \param[in] DWord Next double word to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_DWord_BE(const uint32_t DWord) - { - UPDATX = (DWord >> 24); - UPDATX = (DWord >> 16); - UPDATX = (DWord >> 8); - UPDATX = (DWord & 0xFF); - } - - /** Discards four bytes from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW - */ - static inline void Pipe_Discard_DWord(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Discard_DWord(void) - { - uint8_t Dummy; - - Dummy = UPDATX; - Dummy = UPDATX; - Dummy = UPDATX; - Dummy = UPDATX; - } - - /* External Variables: */ - /** Global indicating the maximum packet size of the default control pipe located at address - * 0 in the device. This value is set to the value indicated in the attached device's device - * descriptor once the USB interface is initialized into host mode and a device is attached - * to the USB bus. - * - * \note This variable should be treated as read-only in the user application, and never manually - * changed in value. - */ - extern uint8_t USB_ControlPipeSize; - - /* Function Prototypes: */ - /** Configures the specified pipe number with the given pipe type, token, target endpoint number in the - * attached device, bank size and banking mode. - * - * A newly configured pipe is frozen by default, and must be unfrozen before use via the \ref Pipe_Unfreeze() - * before being used. Pipes should be kept frozen unless waiting for data from a device while in IN mode, or - * sending data to the device in OUT mode. IN type pipes are also automatically configured to accept infinite - * numbers of IN requests without automatic freezing - this can be overridden by a call to - * \ref Pipe_SetFiniteINRequests(). - * - * \param[in] Number Pipe number to configure. This must be more than 0 and less than \ref PIPE_TOTAL_PIPES. - * - * \param[in] Type Type of pipe to configure, an \c EP_TYPE_* mask. Not all pipe types are available on Low - * Speed USB devices - refer to the USB 2.0 specification. - * - * \param[in] Token Pipe data token, either \ref PIPE_TOKEN_SETUP, \ref PIPE_TOKEN_OUT or \ref PIPE_TOKEN_IN. - * All pipes (except Control type) are unidirectional - data may only be read from or - * written to the pipe bank based on its direction, not both. - * - * \param[in] EndpointNumber Endpoint index within the attached device that the pipe should interface to. - * - * \param[in] Size Size of the pipe's bank, where packets are stored before they are transmitted to - * the USB device, or after they have been received from the USB device (depending on - * the pipe's data direction). The bank size must indicate the maximum packet size that - * the pipe can handle. - * - * \param[in] Banks Number of banks to use for the pipe being configured, a \c PIPE_BANK_* mask. More banks - * uses more USB DPRAM, but offers better performance. Isochronous type pipes <b>must</b> - * have at least two banks. - * - * \note When the \c ORDERED_EP_CONFIG compile time option is used, Pipes <b>must</b> be configured in ascending order, - * or bank corruption will occur. - * \n\n - * - * \note Certain models of USB AVR's pipes may have different maximum packet sizes based on the pipe's - * index - refer to the chosen USB AVR's datasheet to determine the maximum bank size for each pipe. - * \n\n - * - * \note The default control pipe should not be manually configured by the user application, as it is - * automatically configured by the library internally. - * \n\n - * - * \note This routine will automatically select the specified pipe upon success. Upon failure, the pipe which - * failed to reconfigure correctly will be selected. - * - * \return Boolean \c true if the configuration succeeded, \c false otherwise. - */ - bool Pipe_ConfigurePipe(const uint8_t Number, - const uint8_t Type, - const uint8_t Token, - const uint8_t EndpointNumber, - const uint16_t Size, - const uint8_t Banks); - - /** Spin-loops until the currently selected non-control pipe is ready for the next packed of data to be read - * or written to it, aborting in the case of an error condition (such as a timeout or device disconnect). - * - * \ingroup Group_PipeRW - * - * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum. - */ - uint8_t Pipe_WaitUntilReady(void); - - /** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given - * endpoint is found, it is automatically selected. - * - * \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check. - * - * \return Boolean \c true if a pipe bound to the given endpoint address of the specified direction is found, - * \c false otherwise. - */ - bool Pipe_IsEndpointBound(const uint8_t EndpointAddress); - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - #if !defined(ENDPOINT_CONTROLEP) - #define ENDPOINT_CONTROLEP 0 - #endif - - /* Inline Functions: */ - static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) - { - uint8_t MaskVal = 0; - uint16_t CheckBytes = 8; - - while ((CheckBytes < Bytes) && (CheckBytes < PIPE_MAX_SIZE)) - { - MaskVal++; - CheckBytes <<= 1; - } - - return (MaskVal << EPSIZE0); - } - - /* Function Prototypes: */ - void Pipe_ClearPipes(void); - #endif - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/LUFA/Drivers/USB/LowLevel/USBController.c b/LUFA/Drivers/USB/LowLevel/USBController.c deleted file mode 100644 index f41b5cc11..000000000 --- a/LUFA/Drivers/USB/LowLevel/USBController.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#define __INCLUDE_FROM_USB_CONTROLLER_C -#include "USBController.h" - -#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY)) -volatile uint8_t USB_CurrentMode = USB_MODE_None; -#endif - -#if !defined(USE_STATIC_OPTIONS) -volatile uint8_t USB_Options; -#endif - -void USB_Init( - #if defined(USB_CAN_BE_BOTH) - const uint8_t Mode - #endif - - #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) - , - #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) - void - #endif - - #if !defined(USE_STATIC_OPTIONS) - const uint8_t Options - #endif - ) -{ - #if !defined(USE_STATIC_OPTIONS) - USB_Options = Options; - #endif - - if (!(USB_Options & USB_OPT_REG_DISABLED)) - USB_REG_On(); - else - USB_REG_Off(); - - #if defined(USB_CAN_BE_BOTH) - if (Mode == USB_MODE_UID) - { - UHWCON |= (1 << UIDE); - USB_INT_Enable(USB_INT_IDTI); - USB_CurrentMode = USB_GetUSBModeFromUID(); - } - else - { - USB_CurrentMode = Mode; - } - #endif - - USB_IsInitialized = true; - - USB_ResetInterface(); -} - -void USB_Disable(void) -{ - USB_INT_DisableAllInterrupts(); - USB_INT_ClearAllInterrupts(); - - USB_Detach(); - USB_Controller_Disable(); - - if (!(USB_Options & USB_OPT_MANUAL_PLL)) - USB_PLL_Off(); - - USB_REG_Off(); - - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - USB_OTGPAD_Off(); - #endif - - #if defined(USB_CAN_BE_BOTH) - USB_CurrentMode = USB_MODE_None; - #endif - - USB_IsInitialized = false; -} - -void USB_ResetInterface(void) -{ - #if defined(USB_CAN_BE_BOTH) - bool UIDModeSelectEnabled = ((UHWCON & (1 << UIDE)) != 0); - #endif - - USB_INT_DisableAllInterrupts(); - USB_INT_ClearAllInterrupts(); - - USB_Controller_Reset(); - - if (!(USB_Options & USB_OPT_MANUAL_PLL)) - { - #if defined(USB_SERIES_4_AVR) - PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1)); - #endif - - USB_PLL_On(); - while (!(USB_PLL_IsReady())); - } - - #if defined(USB_CAN_BE_BOTH) - if (UIDModeSelectEnabled) - { - UHWCON |= (1 << UIDE); - USB_INT_Enable(USB_INT_IDTI); - } - #endif - - USB_CLK_Unfreeze(); - - if (USB_CurrentMode == USB_MODE_Device) - { - #if defined(USB_CAN_BE_DEVICE) - #if (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) - UHWCON |= (1 << UIMOD); - #endif - - USB_Init_Device(); - #endif - } - else if (USB_CurrentMode == USB_MODE_Host) - { - #if defined(USB_CAN_BE_HOST) - UHWCON &= ~(1 << UIMOD); - - USB_Init_Host(); - #endif - } - - #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) - USB_OTGPAD_On(); - #endif -} - -#if defined(USB_CAN_BE_DEVICE) -static void USB_Init_Device(void) -{ - USB_DeviceState = DEVICE_STATE_Unattached; - USB_ConfigurationNumber = 0; - - #if !defined(NO_DEVICE_REMOTE_WAKEUP) - USB_RemoteWakeupEnabled = false; - #endif - - #if !defined(NO_DEVICE_SELF_POWER) - USB_CurrentlySelfPowered = false; - #endif - - #if !defined(FIXED_CONTROL_ENDPOINT_SIZE) - USB_Descriptor_Device_t* DeviceDescriptorPtr; - - if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR) - { - #if defined(USE_RAM_DESCRIPTORS) - USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size; - #elif defined(USE_EEPROM_DESCRIPTORS) - USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size); - #else - USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size); - #endif - } - #endif - - #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) - if (USB_Options & USB_DEVICE_OPT_LOWSPEED) - USB_Device_SetLowSpeed(); - else - USB_Device_SetFullSpeed(); - - USB_INT_Enable(USB_INT_VBUS); - #endif - - Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, - ENDPOINT_DIR_OUT, USB_ControlEndpointSize, - ENDPOINT_BANK_SINGLE); - - USB_INT_Clear(USB_INT_SUSPI); - USB_INT_Enable(USB_INT_SUSPI); - USB_INT_Enable(USB_INT_EORSTI); - - USB_Attach(); -} -#endif - -#if defined(USB_CAN_BE_HOST) -static void USB_Init_Host(void) -{ - USB_HostState = HOST_STATE_Unattached; - USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; - - USB_Host_HostMode_On(); - - USB_Host_VBUS_Auto_Off(); - USB_Host_VBUS_Manual_Enable(); - USB_Host_VBUS_Manual_On(); - - USB_INT_Enable(USB_INT_SRPI); - USB_INT_Enable(USB_INT_BCERRI); - - USB_Attach(); -} -#endif - diff --git a/LUFA/Drivers/USB/LowLevel/USBController.h b/LUFA/Drivers/USB/LowLevel/USBController.h deleted file mode 100644 index b85539d3e..000000000 --- a/LUFA/Drivers/USB/LowLevel/USBController.h +++ /dev/null @@ -1,472 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB low level USB controller definitions. - * - * This file contains structures, function prototypes and macros related to the low level configuration of the - * USB controller, to start, stop and reset the USB library core. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -/** \ingroup Group_USB - * \defgroup Group_USBManagement USB Interface Management - * - * Functions, macros, variables, enums and types related to the setup and management of the USB interface. - * - * @{ - */ - -#ifndef __USBCONTROLLER_H__ -#define __USBCONTROLLER_H__ - - /* Includes: */ - #include <avr/io.h> - #include <avr/interrupt.h> - #include <stdbool.h> - - #include "../HighLevel/USBMode.h" - - #include "../../../Common/Common.h" - #include "../HighLevel/USBMode.h" - #include "../HighLevel/Events.h" - #include "../HighLevel/USBTask.h" - #include "USBInterrupt.h" - - #if defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__) - #include "Host.h" - #include "OTG.h" - #include "Pipe.h" - #include "../HighLevel/HostStandardReq.h" - #include "../HighLevel/PipeStream.h" - #endif - - #if defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__) - #include "Device.h" - #include "Endpoint.h" - #include "../HighLevel/DeviceStandardReq.h" - #include "../HighLevel/EndpointStream.h" - #endif - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks and Defines: */ - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - #if !defined(F_CLOCK) - #error F_CLOCK is not defined. You must define F_CLOCK to the frequency of the unprescaled input clock in your project makefile. - #endif - - #if (F_CLOCK == 8000000) - #if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || \ - defined(__AVR_ATmega8U2__) || defined(__AVR_ATmega16U2__) || \ - defined(__AVR_ATmega32U2__)) - #define USB_PLL_PSC 0 - #elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) - #define USB_PLL_PSC 0 - #elif (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) || defined(__AVR_ATmega32U6__)) - #define USB_PLL_PSC ((1 << PLLP1) | (1 << PLLP0)) - #elif (defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1287__)) - #define USB_PLL_PSC ((1 << PLLP1) | (1 << PLLP0)) - #endif - #elif (F_CLOCK == 16000000) - #if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || \ - defined(__AVR_ATmega8U2__) || defined(__AVR_ATmega16U2__) || \ - defined(__AVR_ATmega32U2__)) - #define USB_PLL_PSC (1 << PLLP0) - #elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) - #define USB_PLL_PSC (1 << PINDIV) - #elif (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_ATmega32U6__)) - #define USB_PLL_PSC ((1 << PLLP2) | (1 << PLLP1)) - #elif (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__)) - #define USB_PLL_PSC ((1 << PLLP2) | (1 << PLLP0)) - #endif - #endif - - #if !defined(USB_PLL_PSC) - #error No PLL prescale value available for chosen F_CLOCK value and AVR model. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name USB Controller Option Masks */ - //@{ - /** Regulator disable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad - * regulator should be enabled to regulate the data pin voltages to within the USB standard. - * - * \note See USB AVR data sheet for more information on the internal pad regulator. - */ - #define USB_OPT_REG_DISABLED (1 << 1) - - /** Regulator enable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad - * regulator should be disabled and the AVR's VCC level used for the data pads. - * - * \note See USB AVR data sheet for more information on the internal pad regulator. - */ - #define USB_OPT_REG_ENABLED (0 << 1) - - /** Manual PLL control option mask for \ref USB_Init(). This indicates to the library that the user application - * will take full responsibility for controlling the AVR's PLL (used to generate the high frequency clock - * that the USB controller requires) and ensuring that it is locked at the correct frequency for USB operations. - */ - #define USB_OPT_MANUAL_PLL (1 << 2) - - /** Automatic PLL control option mask for \ref USB_Init(). This indicates to the library that the library should - * take full responsibility for controlling the AVR's PLL (used to generate the high frequency clock - * that the USB controller requires) and ensuring that it is locked at the correct frequency for USB operations. - */ - #define USB_OPT_AUTO_PLL (0 << 2) - //@} - - /** \name Endpoint/Pipe Type Masks */ - //@{ - /** Mask for a CONTROL type endpoint or pipe. - * - * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. - */ - #define EP_TYPE_CONTROL 0x00 - - /** Mask for an ISOCHRONOUS type endpoint or pipe. - * - * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. - */ - #define EP_TYPE_ISOCHRONOUS 0x01 - - /** Mask for a BULK type endpoint or pipe. - * - * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. - */ - #define EP_TYPE_BULK 0x02 - - /** Mask for an INTERRUPT type endpoint or pipe. - * - * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. - */ - #define EP_TYPE_INTERRUPT 0x03 - //@} - - #if !defined(USB_STREAM_TIMEOUT_MS) || defined(__DOXYGEN__) - /** Constant for the maximum software timeout period of the USB data stream transfer functions - * (both control and standard) when in either device or host mode. If the next packet of a stream - * is not received or acknowledged within this time period, the stream function will fail. - * - * This value may be overridden in the user project makefile as the value of the - * \ref USB_STREAM_TIMEOUT_MS token, and passed to the compiler using the -D switch. - */ - #define USB_STREAM_TIMEOUT_MS 100 - #endif - - /* Inline Functions: */ - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__) - /** Determines if the VBUS line is currently high (i.e. the USB host is supplying power). - * - * \note This function is not available on some AVR models which do not support hardware VBUS monitoring. - * - * \return Boolean \c true if the VBUS line is currently detecting power from a host, \c false otherwise. - */ - static inline bool USB_VBUS_GetStatus(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_VBUS_GetStatus(void) - { - return ((USBSTA & (1 << VBUS)) ? true : false); - } - #endif - - /** Detaches the device from the USB bus. This has the effect of removing the device from any - * attached host, ceasing USB communications. If no host is present, this prevents any host from - * enumerating the device once attached until \ref USB_Attach() is called. - */ - static inline void USB_Detach(void) ATTR_ALWAYS_INLINE; - static inline void USB_Detach(void) - { - UDCON |= (1 << DETACH); - } - - /** Attaches the device to the USB bus. This announces the device's presence to any attached - * USB host, starting the enumeration process. If no host is present, attaching the device - * will allow for enumeration once a host is connected to the device. - * - * This is inexplicably also required for proper operation while in host mode, to enable the - * attachment of a device to the host. This is despite the bit being located in the device-mode - * register and despite the datasheet making no mention of its requirement in host mode. - */ - static inline void USB_Attach(void) ATTR_ALWAYS_INLINE; - static inline void USB_Attach(void) - { - UDCON &= ~(1 << DETACH); - } - - /* Function Prototypes: */ - /** Main function to initialize and start the USB interface. Once active, the USB interface will - * allow for device connection to a host when in device mode, or for device enumeration while in - * host mode. - * - * As the USB library relies on interrupts for the device and host mode enumeration processes, - * the user must enable global interrupts before or shortly after this function is called. In - * device mode, interrupts must be enabled within 500ms of this function being called to ensure - * that the host does not time out whilst enumerating the device. In host mode, interrupts may be - * enabled at the application's leisure however enumeration will not begin of an attached device - * until after this has occurred. - * - * Calling this function when the USB interface is already initialized will cause a complete USB - * interface reset and re-enumeration. - * - * \param[in] Mode This is a mask indicating what mode the USB interface is to be initialized to, a value - * from the \ref USB_Modes_t enum. - * - * \param[in] Options Mask indicating the options which should be used when initializing the USB - * interface to control the USB interface's behaviour. This should be comprised of - * a \c USB_OPT_REG_* mask to control the regulator, a \c USB_OPT_*_PLL mask to control the - * PLL, and a \c USB_DEVICE_OPT_* mask (when the device mode is enabled) to set the device - * mode speed. - * - * \note To reduce the FLASH requirements of the library if only device or host mode is required, - * the mode can be statically set in the project makefile by defining the token \c USB_DEVICE_ONLY - * (for device mode) or \c USB_HOST_ONLY (for host mode), passing the token to the compiler - * via the -D switch. If the mode is statically set, this parameter does not exist in the - * function prototype. - * \n\n - * - * \note To reduce the FLASH requirements of the library if only fixed settings are are required, - * the options may be set statically in the same manner as the mode (see the Mode parameter of - * this function). To statically set the USB options, pass in the \c USE_STATIC_OPTIONS token, - * defined to the appropriate options masks. When the options are statically set, this - * parameter does not exist in the function prototype. - * \n\n - * - * \note The mode parameter does not exist on devices where only one mode is possible, such as USB - * AVR models which only implement the USB device mode in hardware. - * - * \see \ref Group_Device for the \c USB_DEVICE_OPT_* masks. - */ - void USB_Init( - #if defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__) - const uint8_t Mode - #endif - - #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) || defined(__DOXYGEN__) - , - #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) - void - #endif - - #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__) - const uint8_t Options - #endif - ); - - /** Shuts down the USB interface. This turns off the USB interface after deallocating all USB FIFO - * memory, endpoints and pipes. When turned off, no USB functionality can be used until the interface - * is restarted with the \ref USB_Init() function. - */ - void USB_Disable(void); - - /** Resets the interface, when already initialized. This will re-enumerate the device if already connected - * to a host, or re-enumerate an already attached device when in host mode. - */ - void USB_ResetInterface(void); - - /* Global Variables: */ - #if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY)) || defined(__DOXYGEN__) - /** Indicates the mode that the USB interface is currently initialized to, a value from the - * \ref USB_Modes_t enum. - * - * \note This variable should be treated as read-only in the user application, and never manually - * changed in value. - * \n\n - * - * \note When the controller is initialized into UID auto-detection mode, this variable will hold the - * currently selected USB mode (i.e. \ref USB_MODE_Device or \ref USB_MODE_Host). If the controller - * is fixed into a specific mode (either through the \c USB_DEVICE_ONLY or \c USB_HOST_ONLY compile time - * options, or a limitation of the USB controller in the chosen device model) this will evaluate to - * a constant of the appropriate value and will never evaluate to \ref USB_MODE_None even when the - * USB interface is not initialized. - */ - extern volatile uint8_t USB_CurrentMode; - #elif defined(USB_HOST_ONLY) - #define USB_CurrentMode USB_MODE_Host - #elif defined(USB_DEVICE_ONLY) - #define USB_CurrentMode USB_MODE_Device - #endif - - #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__) - /** Indicates the current USB options that the USB interface was initialized with when \ref USB_Init() - * was called. This value will be one of the \c USB_MODE_* masks defined elsewhere in this module. - * - * \note This variable should be treated as read-only in the user application, and never manually - * changed in value. - */ - extern volatile uint8_t USB_Options; - #elif defined(USE_STATIC_OPTIONS) - #define USB_Options USE_STATIC_OPTIONS - #endif - - /* Enums: */ - /** Enum for the possible USB controller modes, for initialization via \ref USB_Init() and indication back to the - * user application via \ref USB_CurrentMode. - */ - enum USB_Modes_t - { - USB_MODE_None = 0, /**< Indicates that the controller is currently not initialized in any specific USB mode. */ - USB_MODE_Device = 1, /**< Indicates that the controller is currently initialized in USB Device mode. */ - USB_MODE_Host = 2, /**< Indicates that the controller is currently initialized in USB Host mode. */ - USB_MODE_UID = 3, /**< Indicates that the controller should determine the USB mode from the UID pin of the - * USB connector. - */ - }; - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Function Prototypes: */ - #if defined(__INCLUDE_FROM_USB_CONTROLLER_C) - #if defined(USB_CAN_BE_DEVICE) - static void USB_Init_Device(void); - #endif - - #if defined(USB_CAN_BE_HOST) - static void USB_Init_Host(void); - #endif - #endif - - /* Inline Functions: */ - static inline void USB_PLL_On(void) ATTR_ALWAYS_INLINE; - static inline void USB_PLL_On(void) - { - PLLCSR = USB_PLL_PSC; - PLLCSR |= (1 << PLLE); - } - - static inline void USB_PLL_Off(void) ATTR_ALWAYS_INLINE; - static inline void USB_PLL_Off(void) - { - PLLCSR = 0; - } - - static inline bool USB_PLL_IsReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool USB_PLL_IsReady(void) - { - return ((PLLCSR & (1 << PLOCK)) ? true : false); - } - - static inline void USB_REG_On(void) ATTR_ALWAYS_INLINE; - static inline void USB_REG_On(void) - { - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - UHWCON |= (1 << UVREGE); - #else - REGCR &= ~(1 << REGDIS); - #endif - } - - static inline void USB_REG_Off(void) ATTR_ALWAYS_INLINE; - static inline void USB_REG_Off(void) - { - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - UHWCON &= ~(1 << UVREGE); - #else - REGCR |= (1 << REGDIS); - #endif - } - - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - static inline void USB_OTGPAD_On(void) ATTR_ALWAYS_INLINE; - static inline void USB_OTGPAD_On(void) - { - USBCON |= (1 << OTGPADE); - } - - static inline void USB_OTGPAD_Off(void) ATTR_ALWAYS_INLINE; - static inline void USB_OTGPAD_Off(void) - { - USBCON &= ~(1 << OTGPADE); - } - #endif - - static inline void USB_CLK_Freeze(void) ATTR_ALWAYS_INLINE; - static inline void USB_CLK_Freeze(void) - { - USBCON |= (1 << FRZCLK); - } - - static inline void USB_CLK_Unfreeze(void) ATTR_ALWAYS_INLINE; - static inline void USB_CLK_Unfreeze(void) - { - USBCON &= ~(1 << FRZCLK); - } - - static inline void USB_Controller_Enable(void) ATTR_ALWAYS_INLINE; - static inline void USB_Controller_Enable(void) - { - USBCON |= (1 << USBE); - } - - static inline void USB_Controller_Disable(void) ATTR_ALWAYS_INLINE; - static inline void USB_Controller_Disable(void) - { - USBCON &= ~(1 << USBE); - } - - static inline void USB_Controller_Reset(void) ATTR_ALWAYS_INLINE; - static inline void USB_Controller_Reset(void) - { - const uint8_t Temp = USBCON; - - USBCON = (Temp & ~(1 << USBE)); - USBCON = (Temp | (1 << USBE)); - } - - #if defined(USB_CAN_BE_BOTH) - static inline uint8_t USB_GetUSBModeFromUID(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t USB_GetUSBModeFromUID(void) - { - if (USBSTA & (1 << ID)) - return USB_MODE_Device; - else - return USB_MODE_Host; - } - #endif - - #endif - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/LUFA/Drivers/USB/LowLevel/USBInterrupt.c b/LUFA/Drivers/USB/LowLevel/USBInterrupt.c deleted file mode 100644 index 34234fe84..000000000 --- a/LUFA/Drivers/USB/LowLevel/USBInterrupt.c +++ /dev/null @@ -1,269 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "USBInterrupt.h" - -void USB_INT_DisableAllInterrupts(void) -{ - #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - USBCON &= ~((1 << VBUSTE) | (1 << IDTE)); - #elif defined(USB_SERIES_4_AVR) - USBCON &= ~(1 << VBUSTE); - #endif - - #if defined(USB_CAN_BE_BOTH) - OTGIEN = 0; - #endif - - #if defined(USB_CAN_BE_HOST) - UHIEN = 0; - #endif - - #if defined(USB_CAN_BE_DEVICE) - UDIEN = 0; - #endif -} - -void USB_INT_ClearAllInterrupts(void) -{ - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - USBINT = 0; - #endif - - #if defined(USB_CAN_BE_BOTH) - OTGINT = 0; - #endif - - #if defined(USB_CAN_BE_HOST) - UHINT = 0; - #endif - - #if defined(USB_CAN_BE_DEVICE) - UDINT = 0; - #endif -} - -ISR(USB_GEN_vect, ISR_BLOCK) -{ - #if defined(USB_CAN_BE_DEVICE) - #if !defined(NO_SOF_EVENTS) - if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI)) - { - USB_INT_Clear(USB_INT_SOFI); - - EVENT_USB_Device_StartOfFrame(); - } - #endif - - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS)) - { - USB_INT_Clear(USB_INT_VBUS); - - if (USB_VBUS_GetStatus()) - { - USB_DeviceState = DEVICE_STATE_Powered; - EVENT_USB_Device_Connect(); - } - else - { - USB_DeviceState = DEVICE_STATE_Unattached; - EVENT_USB_Device_Disconnect(); - } - } - #endif - - if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI)) - { - USB_INT_Clear(USB_INT_SUSPI); - - USB_INT_Disable(USB_INT_SUSPI); - USB_INT_Enable(USB_INT_WAKEUPI); - - USB_CLK_Freeze(); - - if (!(USB_Options & USB_OPT_MANUAL_PLL)) - USB_PLL_Off(); - - #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) - USB_DeviceState = DEVICE_STATE_Unattached; - EVENT_USB_Device_Disconnect(); - #else - USB_DeviceState = DEVICE_STATE_Suspended; - EVENT_USB_Device_Suspend(); - #endif - } - - if (USB_INT_HasOccurred(USB_INT_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI)) - { - if (!(USB_Options & USB_OPT_MANUAL_PLL)) - { - USB_PLL_On(); - while (!(USB_PLL_IsReady())); - } - - USB_CLK_Unfreeze(); - - USB_INT_Clear(USB_INT_WAKEUPI); - - USB_INT_Disable(USB_INT_WAKEUPI); - USB_INT_Enable(USB_INT_SUSPI); - - if (USB_ConfigurationNumber) - USB_DeviceState = DEVICE_STATE_Configured; - else - USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered; - - #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) - EVENT_USB_Device_Connect(); - #else - EVENT_USB_Device_WakeUp(); - #endif - } - - if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI)) - { - USB_INT_Clear(USB_INT_EORSTI); - - USB_DeviceState = DEVICE_STATE_Default; - USB_ConfigurationNumber = 0; - - USB_INT_Clear(USB_INT_SUSPI); - USB_INT_Disable(USB_INT_SUSPI); - USB_INT_Enable(USB_INT_WAKEUPI); - - Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, - ENDPOINT_DIR_OUT, USB_ControlEndpointSize, - ENDPOINT_BANK_SINGLE); - - #if defined(INTERRUPT_CONTROL_ENDPOINT) - USB_INT_Enable(USB_INT_RXSTPI); - #endif - - EVENT_USB_Device_Reset(); - } - #endif - - #if defined(USB_CAN_BE_HOST) - #if !defined(NO_SOF_EVENTS) - if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - - EVENT_USB_Host_StartOfFrame(); - } - #endif - - if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI)) - { - USB_INT_Clear(USB_INT_DDISCI); - USB_INT_Clear(USB_INT_DCONNI); - USB_INT_Disable(USB_INT_DDISCI); - - EVENT_USB_Host_DeviceUnattached(); - - USB_ResetInterface(); - } - - if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI)) - { - USB_INT_Clear(USB_INT_VBERRI); - - USB_Host_VBUS_Manual_Off(); - USB_Host_VBUS_Auto_Off(); - - EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip); - EVENT_USB_Host_DeviceUnattached(); - - USB_HostState = HOST_STATE_Unattached; - } - - if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI)) - { - USB_INT_Clear(USB_INT_SRPI); - USB_INT_Disable(USB_INT_SRPI); - - EVENT_USB_Host_DeviceAttached(); - - USB_INT_Enable(USB_INT_DDISCI); - - USB_HostState = HOST_STATE_Powered; - } - - if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI)) - { - USB_INT_Clear(USB_INT_BCERRI); - - EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0); - EVENT_USB_Host_DeviceUnattached(); - - USB_ResetInterface(); - } - #endif - - #if defined(USB_CAN_BE_BOTH) - if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI)) - { - USB_INT_Clear(USB_INT_IDTI); - - if (USB_DeviceState != DEVICE_STATE_Unattached) - EVENT_USB_Device_Disconnect(); - - if (USB_HostState != HOST_STATE_Unattached) - EVENT_USB_Host_DeviceUnattached(); - - USB_CurrentMode = USB_GetUSBModeFromUID(); - USB_ResetInterface(); - - EVENT_USB_UIDChange(); - } - #endif -} - -#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE) -ISR(USB_COM_vect, ISR_BLOCK) -{ - uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint(); - - Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); - USB_INT_Disable(USB_INT_RXSTPI); - - NONATOMIC_BLOCK(NONATOMIC_FORCEOFF) - { - USB_Device_ProcessControlRequest(); - } - - Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); - USB_INT_Enable(USB_INT_RXSTPI); - Endpoint_SelectEndpoint(PrevSelectedEndpoint); -} -#endif - diff --git a/LUFA/Drivers/USB/LowLevel/USBInterrupt.h b/LUFA/Drivers/USB/LowLevel/USBInterrupt.h deleted file mode 100644 index 29ad93388..000000000 --- a/LUFA/Drivers/USB/LowLevel/USBInterrupt.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief USB controller interrupt service routine management. - * - * This file contains definitions required for the correct handling of low level USB service routine interrupts - * from the USB controller. - * - * \note This file should not be included directly. It is automatically included as needed by the USB driver - * dispatch header located in LUFA/Drivers/USB/USB.h. - */ - -#ifndef __USBINTERRUPT_H__ -#define __USBINTERRUPT_H__ - - /* Includes: */ - #include <avr/io.h> - #include <avr/interrupt.h> - #include <util/atomic.h> - #include <stdbool.h> - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_USB_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. - #endif - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - #define USB_INT_Enable(int) MACROS{ USB_INT_GET_EN_REG(int) |= USB_INT_GET_EN_MASK(int); }MACROE - #define USB_INT_Disable(int) MACROS{ USB_INT_GET_EN_REG(int) &= ~(USB_INT_GET_EN_MASK(int)); }MACROE - #define USB_INT_Clear(int) MACROS{ USB_INT_GET_INT_REG(int) &= ~(USB_INT_GET_INT_MASK(int)); }MACROE - #define USB_INT_IsEnabled(int) ((USB_INT_GET_EN_REG(int) & USB_INT_GET_EN_MASK(int)) ? true : false) - #define USB_INT_HasOccurred(int) ((USB_INT_GET_INT_REG(int) & USB_INT_GET_INT_MASK(int)) ? true : false) - - #define USB_INT_GET_EN_REG(a, b, c, d) a - #define USB_INT_GET_EN_MASK(a, b, c, d) b - #define USB_INT_GET_INT_REG(a, b, c, d) c - #define USB_INT_GET_INT_MASK(a, b, c, d) d - - #define USB_INT_VBUS USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI) - #define USB_INT_IDTI USBCON, (1 << IDTE) , USBINT, (1 << IDTI) - #define USB_INT_WAKEUPI UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI) - #define USB_INT_SUSPI UDIEN , (1 << SUSPE) , UDINT , (1 << SUSPI) - #define USB_INT_EORSTI UDIEN , (1 << EORSTE) , UDINT , (1 << EORSTI) - #define USB_INT_DCONNI UHIEN , (1 << DCONNE) , UHINT , (1 << DCONNI) - #define USB_INT_DDISCI UHIEN , (1 << DDISCE) , UHINT , (1 << DDISCI) - #define USB_INT_BCERRI OTGIEN, (1 << BCERRE) , OTGINT, (1 << BCERRI) - #define USB_INT_VBERRI OTGIEN, (1 << VBERRE) , OTGINT, (1 << VBERRI) - #define USB_INT_SOFI UDIEN, (1 << SOFE) , UDINT , (1 << SOFI) - #define USB_INT_HSOFI UHIEN, (1 << HSOFE) , UHINT , (1 << HSOFI) - #define USB_INT_RSTI UHIEN , (1 << RSTE) , UHINT , (1 << RSTI) - #define USB_INT_SRPI OTGIEN, (1 << SRPE) , OTGINT, (1 << SRPI) - #define USB_INT_RXSTPI UEIENX, (1 << RXSTPE) , UEINTX, (1 << RXSTPI) - - /* Includes: */ - #include "../../../Common/Common.h" - #include "../HighLevel/USBMode.h" - #include "../HighLevel/Events.h" - #include "USBController.h" - - /* Function Prototypes: */ - void USB_INT_ClearAllInterrupts(void); - void USB_INT_DisableAllInterrupts(void); - #endif - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - |
