X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f7ab433c67b86723385ec05ee9c7b96dd18e6dde..9e8bf8c0cfba6613d10a90b0ce76bdbbc9a72c8b:/Demos/Device/ClassDriver/GenericHID/GenericHID.c diff --git a/Demos/Device/ClassDriver/GenericHID/GenericHID.c b/Demos/Device/ClassDriver/GenericHID/GenericHID.c index bd75e4ec1..d56b91409 100644 --- a/Demos/Device/ClassDriver/GenericHID/GenericHID.c +++ b/Demos/Device/ClassDriver/GenericHID/GenericHID.c @@ -1,169 +1,190 @@ -/* - 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 - * - * 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); - - 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[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, - 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, 2013. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2013 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 disclaims 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. */ +static uint8_t PrevHIDReportBuffer[GENERIC_REPORT_SIZE]; + +/** 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, + .ReportINEndpoint = + { + .Address = GENERIC_IN_EPADDR, + .Size = GENERIC_EPSIZE, + .Banks = 1, + }, + .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); + GlobalInterruptEnable(); + + 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) +{ + bool ConfigSuccess = true; + + ConfigSuccess &= HID_Device_ConfigureEndpoints(&Generic_HID_Interface); + + USB_Device_EnableSOFEvents(); + + LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); +} + +/** Event handler for the library USB Control Request reception event. */ +void EVENT_USB_Device_ControlRequest(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 HID_REPORT_ITEM_In or HID_REPORT_ITEM_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* const ReportSize) +{ + uint8_t* Data = (uint8_t*)ReportData; + uint8_t CurrLEDMask = LEDs_GetLEDs(); + + Data[0] = ((CurrLEDMask & LEDS_LED1) ? 1 : 0); + Data[1] = ((CurrLEDMask & LEDS_LED2) ? 1 : 0); + Data[2] = ((CurrLEDMask & LEDS_LED3) ? 1 : 0); + Data[3] = ((CurrLEDMask & LEDS_LED4) ? 1 : 0); + + *ReportSize = GENERIC_REPORT_SIZE; + return false; +} + +/** 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] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature + * \param[in] ReportData Pointer to a buffer where the received 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 uint8_t ReportType, + const void* ReportData, + const uint16_t ReportSize) +{ + uint8_t* Data = (uint8_t*)ReportData; + uint8_t NewLEDMask = LEDS_NO_LEDS; + + if (Data[0]) + NewLEDMask |= LEDS_LED1; + + if (Data[1]) + NewLEDMask |= LEDS_LED2; + + if (Data[2]) + NewLEDMask |= LEDS_LED3; + + if (Data[3]) + NewLEDMask |= LEDS_LED4; + + LEDs_SetAllLEDs(NewLEDMask); +} +