From 9991321321d30ca9383d795ea7e796098c92045f Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Mon, 23 Feb 2009 07:08:17 +0000 Subject: Moved all source to the trunk directory. --- Demos/USBtoSerial/USBtoSerial.h | 192 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 Demos/USBtoSerial/USBtoSerial.h (limited to 'Demos/USBtoSerial/USBtoSerial.h') diff --git a/Demos/USBtoSerial/USBtoSerial.h b/Demos/USBtoSerial/USBtoSerial.h new file mode 100644 index 000000000..f363fa93f --- /dev/null +++ b/Demos/USBtoSerial/USBtoSerial.h @@ -0,0 +1,192 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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 + * + * Header file for USBtoSerial.c. + */ + +#ifndef _USB_SERIAL_H_ +#define _USB_SERIAL_H_ + + /* Includes: */ + #include + #include + #include + + #include "Descriptors.h" + #include "RingBuff.h" + + #include // Library Version Information + #include // PROGMEM tags readable by the ButtLoad project + #include // USB Functionality + #include // USART driver + #include // LEDs driver + #include // Simple scheduler for task management + + /* Macros: */ + /** CDC Class specific request to get the current virtual serial port configuration settings. */ + #define REQ_GetLineEncoding 0x21 + + /** CDC Class specific request to set the current virtual serial port configuration settings. */ + #define REQ_SetLineEncoding 0x20 + + /** CDC Class specific request to set the current virtual serial port handshake line states. */ + #define REQ_SetControlLineState 0x22 + + /** Notification type constant for a change in the virtual serial port handshake line states, for + * use with a USB_Notification_Header_t notification structure when sent to the host via the CDC + * notification endpoint. + */ + #define NOTIF_SerialState 0x20 + + /** Mask for the DTR handshake line for use with the REQ_SetControlLineState class specific request + * from the host, to indicate that the DTR line state should be high. + */ + #define CONTROL_LINE_OUT_DTR (1 << 0) + + /** Mask for the RTS handshake line for use with the REQ_SetControlLineState class specific request + * from the host, to indicate that theRTS line state should be high. + */ + #define CONTROL_LINE_OUT_RTS (1 << 1) + + /** Mask for the DCD handshake line for use with the a NOTIF_SerialState class specific notification + * from the device to the host, to indicate that the DCD line state is currently high. + */ + #define CONTROL_LINE_IN_DCD (1 << 0) + + /** Mask for the DSR handshake line for use with the a NOTIF_SerialState class specific notification + * from the device to the host, to indicate that the DSR line state is currently high. + */ + #define CONTROL_LINE_IN_DSR (1 << 1) + + /** Mask for the BREAK handshake line for use with the a NOTIF_SerialState class specific notification + * from the device to the host, to indicate that the BREAK line state is currently high. + */ + #define CONTROL_LINE_IN_BREAK (1 << 2) + + /** Mask for the RING handshake line for use with the a NOTIF_SerialState class specific notification + * from the device to the host, to indicate that the RING line state is currently high. + */ + #define CONTROL_LINE_IN_RING (1 << 3) + + /** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host, + * to indicate that a framing error has ocurred on the virtual serial port. + */ + #define CONTROL_LINE_IN_FRAMEERROR (1 << 4) + + /** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host, + * to indicate that a parity error has ocurred on the virtual serial port. + */ + #define CONTROL_LINE_IN_PARITYERROR (1 << 5) + + /** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host, + * to indicate that a data overrun error has ocurred on the virtual serial port. + */ + #define CONTROL_LINE_IN_OVERRUNERROR (1 << 6) + + /* Event Handlers: */ + /** Indicates that this module will catch the USB_Connect event when thrown by the library. */ + HANDLES_EVENT(USB_Connect); + + /** Indicates that this module will catch the USB_Disconnect event when thrown by the library. */ + HANDLES_EVENT(USB_Disconnect); + + /** Indicates that this module will catch the USB_ConfigurationChanged event when thrown by the library. */ + HANDLES_EVENT(USB_ConfigurationChanged); + + /** Indicates that this module will catch the USB_UnhandledControlPacket event when thrown by the library. */ + HANDLES_EVENT(USB_UnhandledControlPacket); + + /* Type Defines: */ + /** Type define for the virtual serial port line encoding settings, for storing the current USART configuration + * as set by the host via a class specific request. + */ + typedef struct + { + uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */ + uint8_t CharFormat; /**< Character format of the virtual serial port, a value from the + * CDCDevice_CDC_LineCodingFormats_t enum + */ + uint8_t ParityType; /**< Parity setting of the virtual serial port, a value from the + * CDCDevice_LineCodingParity_t enum + */ + uint8_t DataBits; /**< Bits of data per charater of the virtual serial port */ + } CDC_Line_Coding_t; + + /** Type define for a CDC notification, sent to the host via the CDC notification endpoint to indicate a + * change in the device state asynchronously. + */ + typedef struct + { + uint8_t NotificationType; /**< Notification type, a mask of REQDIR_*, REQTYPE_* and REQREC_* constants + * from the library StdRequestType.h header + */ + uint8_t Notification; /**< Notification value, a NOTIF_* constant */ + uint16_t wValue; /**< Notification wValue, notification-specific */ + uint16_t wIndex; /**< Notification wIndex, notification-specific */ + uint16_t wLength; /**< Notification wLength, notification-specific */ + } USB_Notification_Header_t; + + /* Enums: */ + /** Enum for the possible line encoding formats of a virtual serial port. */ + enum CDCDevice_CDC_LineCodingFormats_t + { + OneStopBit = 0, /**< Each frame contains one stop bit */ + OneAndAHalfStopBits = 1, /**< Each frame contains one and a half stop bits */ + TwoStopBits = 2, /**< Each frame contains two stop bits */ + }; + + /** Enum for the possible line encoding parity settings of a virtual serial port. */ + enum CDCDevice_LineCodingParity_t + { + Parity_None = 0, /**< No parity bit mode on each frame */ + Parity_Odd = 1, /**< Odd parity bit mode on each frame */ + Parity_Even = 2, /**< Even parity bit mode on each frame */ + Parity_Mark = 3, /**< Mark parity bit mode on each frame */ + Parity_Space = 4, /**< Space parity bit mode on each frame */ + }; + + /** Enum for the possible status codes for passing to the UpdateStatus() function. */ + enum USBtoSerial_StatusCodes_t + { + Status_USBNotReady = 0, /**< USB is not ready (disconnected from a USB host) */ + Status_USBEnumerating = 1, /**< USB interface is enumerating */ + Status_USBReady = 2, /**< USB interface is connected and ready */ + }; + + /* Tasks: */ + TASK(CDC_Task); + + /* Function Prototypes: */ + void ReconfigureUSART(void); + void UpdateStatus(uint8_t CurrentStatus); + +#endif -- cgit v1.2.3