diff options
Diffstat (limited to 'Demos/Device/ClassDriver/GenericHID/GenericHID.c')
-rw-r--r-- | Demos/Device/ClassDriver/GenericHID/GenericHID.c | 342 |
1 files changed, 171 insertions, 171 deletions
diff --git a/Demos/Device/ClassDriver/GenericHID/GenericHID.c b/Demos/Device/ClassDriver/GenericHID/GenericHID.c index 285a197b7..0efcd569d 100644 --- a/Demos/Device/ClassDriver/GenericHID/GenericHID.c +++ b/Demos/Device/ClassDriver/GenericHID/GenericHID.c @@ -1,171 +1,171 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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
- *
- * Main source file for the GenericHID demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "GenericHID.h"
-
-/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */
-uint8_t PrevHIDReportBuffer[GENERIC_REPORT_SIZE];
-
-/** Structure to contain reports from the host, so that they can be echoed back upon request */
-struct
-{
- uint8_t ReportID;
- uint16_t ReportSize;
- uint8_t ReportData[GENERIC_REPORT_SIZE];
-} HIDReportEcho;
-
-/** LUFA HID Class driver interface configuration and state information. This structure is
- * passed to all HID Class driver functions, so that multiple instances of the same class
- * within a device can be differentiated from one another.
- */
-USB_ClassInfo_HID_Device_t Generic_HID_Interface =
- {
- .Config =
- {
- .InterfaceNumber = 0,
-
- .ReportINEndpointNumber = GENERIC_IN_EPNUM,
- .ReportINEndpointSize = GENERIC_EPSIZE,
- .ReportINEndpointDoubleBank = false,
-
- .PrevReportINBuffer = PrevHIDReportBuffer,
- .PrevReportINBufferSize = sizeof(PrevHIDReportBuffer),
- },
- };
-
-/** Main program entry point. This routine contains the overall program flow, including initial
- * setup of all components and the main program loop.
- */
-int main(void)
-{
- SetupHardware();
-
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
-
- for (;;)
- {
- HID_Device_USBTask(&Generic_HID_Interface);
- USB_USBTask();
- }
-}
-
-/** Configures the board hardware and chip peripherals for the demo's functionality. */
-void SetupHardware(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-
- /* Hardware Initialization */
- LEDs_Init();
- USB_Init();
-}
-
-/** Event handler for the library USB Connection event. */
-void EVENT_USB_Device_Connect(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-}
-
-/** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Device_Disconnect(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
-
- if (!(HID_Device_ConfigureEndpoints(&Generic_HID_Interface)))
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- USB_Device_EnableSOFEvents();
-}
-
-/** Event handler for the library USB Unhandled Control Request event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
-{
- HID_Device_ProcessControlRequest(&Generic_HID_Interface);
-}
-
-/** Event handler for the USB device Start Of Frame event. */
-void EVENT_USB_Device_StartOfFrame(void)
-{
- HID_Device_MillisecondElapsed(&Generic_HID_Interface);
-}
-
-/** HID class driver callback function for the creation of HID reports to the host.
- *
- * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
- * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
- * \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature
- * \param[out] ReportData Pointer to a buffer where the created report should be stored
- * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
- *
- * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
- */
-bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
- const uint8_t ReportType, void* ReportData, uint16_t* ReportSize)
-{
- if (HIDReportEcho.ReportID)
- *ReportID = HIDReportEcho.ReportID;
-
- memcpy(ReportData, HIDReportEcho.ReportData, HIDReportEcho.ReportSize);
-
- *ReportSize = HIDReportEcho.ReportSize;
- return true;
-}
-
-/** HID class driver callback function for the processing of HID reports from the host.
- *
- * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
- * \param[in] ReportID Report ID of the received report from the host
- * \param[in] ReportData Pointer to a buffer where the created report has been stored
- * \param[in] ReportSize Size in bytes of the received HID report
- */
-void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,
- const void* ReportData, const uint16_t ReportSize)
-{
- HIDReportEcho.ReportID = ReportID;
- HIDReportEcho.ReportSize = ReportSize;
- memcpy(HIDReportEcho.ReportData, ReportData, ReportSize);
-}
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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 + * + * Main source file for the GenericHID demo. This file contains the main tasks of + * the demo and is responsible for the initial application hardware configuration. + */ + +#include "GenericHID.h" + +/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */ +uint8_t PrevHIDReportBuffer[GENERIC_REPORT_SIZE]; + +/** Structure to contain reports from the host, so that they can be echoed back upon request */ +struct +{ + uint8_t ReportID; + uint16_t ReportSize; + uint8_t ReportData[GENERIC_REPORT_SIZE]; +} HIDReportEcho; + +/** LUFA HID Class driver interface configuration and state information. This structure is + * passed to all HID Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_HID_Device_t Generic_HID_Interface = + { + .Config = + { + .InterfaceNumber = 0, + + .ReportINEndpointNumber = GENERIC_IN_EPNUM, + .ReportINEndpointSize = GENERIC_EPSIZE, + .ReportINEndpointDoubleBank = false, + + .PrevReportINBuffer = PrevHIDReportBuffer, + .PrevReportINBufferSize = sizeof(PrevHIDReportBuffer), + }, + }; + +/** Main program entry point. This routine contains the overall program flow, including initial + * setup of all components and the main program loop. + */ +int main(void) +{ + SetupHardware(); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + sei(); + + for (;;) + { + HID_Device_USBTask(&Generic_HID_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware(void) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Hardware Initialization */ + LEDs_Init(); + USB_Init(); +} + +/** Event handler for the library USB Connection event. */ +void EVENT_USB_Device_Connect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); +} + +/** Event handler for the library USB Disconnection event. */ +void EVENT_USB_Device_Disconnect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); +} + +/** Event handler for the library USB Configuration Changed event. */ +void EVENT_USB_Device_ConfigurationChanged(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_READY); + + if (!(HID_Device_ConfigureEndpoints(&Generic_HID_Interface))) + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + + USB_Device_EnableSOFEvents(); +} + +/** Event handler for the library USB Unhandled Control Request event. */ +void EVENT_USB_Device_UnhandledControlRequest(void) +{ + HID_Device_ProcessControlRequest(&Generic_HID_Interface); +} + +/** Event handler for the USB device Start Of Frame event. */ +void EVENT_USB_Device_StartOfFrame(void) +{ + HID_Device_MillisecondElapsed(&Generic_HID_Interface); +} + +/** HID class driver callback function for the creation of HID reports to the host. + * + * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID + * \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature + * \param[out] ReportData Pointer to a buffer where the created report should be stored + * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent + * + * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent + */ +bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, + const uint8_t ReportType, void* ReportData, uint16_t* ReportSize) +{ + if (HIDReportEcho.ReportID) + *ReportID = HIDReportEcho.ReportID; + + memcpy(ReportData, HIDReportEcho.ReportData, HIDReportEcho.ReportSize); + + *ReportSize = HIDReportEcho.ReportSize; + return true; +} + +/** HID class driver callback function for the processing of HID reports from the host. + * + * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param[in] ReportID Report ID of the received report from the host + * \param[in] ReportData Pointer to a buffer where the created report has been stored + * \param[in] ReportSize Size in bytes of the received HID report + */ +void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID, + const void* ReportData, const uint16_t ReportSize) +{ + HIDReportEcho.ReportID = ReportID; + HIDReportEcho.ReportSize = ReportSize; + memcpy(HIDReportEcho.ReportData, ReportData, ReportSize); +} |