X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/864196c884ef3602aee44f1a68aceb5819a07f21..8e20e8697ff88d38ac01d62198dbdd552449e4aa:/Demos/Device/ClassDriver/Keyboard/Keyboard.c?ds=inline diff --git a/Demos/Device/ClassDriver/Keyboard/Keyboard.c b/Demos/Device/ClassDriver/Keyboard/Keyboard.c index ba0d2396f..15a7f1760 100644 --- a/Demos/Device/ClassDriver/Keyboard/Keyboard.c +++ b/Demos/Device/ClassDriver/Keyboard/Keyboard.c @@ -1,187 +1,206 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2009. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2009 Denver Gingerich (denver [at] ossguy [dot] com) - Based on code by 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 Keyboard demo. This file contains the main tasks of - * the demo and is responsible for the initial application hardware configuration. - */ - -#include "Keyboard.h" - -/** 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 Keyboard_HID_Interface = - { - .Config = - { - .InterfaceNumber = 0, - - .ReportINEndpointNumber = KEYBOARD_EPNUM, - .ReportINEndpointSize = KEYBOARD_EPSIZE, - - .ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t), - }, - }; - -/** 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(&Keyboard_HID_Interface); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware() -{ - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); - - /* Hardware Initialization */ - Joystick_Init(); - LEDs_Init(); - Buttons_Init(); - USB_Init(); - - /* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */ - OCR0A = ((F_CPU / 64) / 1000); - TCCR0A = (1 << WGM01); - TCCR0B = ((1 << CS01) | (1 << CS00)); - TIMSK0 = (1 << OCIE0A); -} - -/** Event handler for the library USB Connection event. */ -void EVENT_USB_Connect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the library USB Disconnection event. */ -void EVENT_USB_Disconnect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the library USB Configuration Changed event. */ -void EVENT_USB_ConfigurationChanged(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_READY); - - if (!(HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface))) - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); -} - -/** Event handler for the library USB Unhandled Control Packet event. */ -void EVENT_USB_UnhandledControlPacket(void) -{ - HID_Device_ProcessControlPacket(&Keyboard_HID_Interface); -} - -/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */ -ISR(TIMER0_COMPA_vect, ISR_BLOCK) -{ - if (Keyboard_HID_Interface.State.IdleMSRemaining) - Keyboard_HID_Interface.State.IdleMSRemaining--; -} - -/** 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 - * - * \return Number of bytes written in the report (or zero if no report is to be sent - */ -uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, void* ReportData) -{ - USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData; - - uint8_t JoyStatus_LCL = Joystick_GetStatus(); - uint8_t ButtonStatus_LCL = Buttons_GetStatus(); - - if (JoyStatus_LCL & JOY_UP) - KeyboardReport->KeyCode[0] = 0x04; // A - else if (JoyStatus_LCL & JOY_DOWN) - KeyboardReport->KeyCode[0] = 0x05; // B - - if (JoyStatus_LCL & JOY_LEFT) - KeyboardReport->KeyCode[0] = 0x06; // C - else if (JoyStatus_LCL & JOY_RIGHT) - KeyboardReport->KeyCode[0] = 0x07; // D - - if (JoyStatus_LCL & JOY_PRESS) - KeyboardReport->KeyCode[0] = 0x08; // E - - if (ButtonStatus_LCL & BUTTONS_BUTTON1) - KeyboardReport->KeyCode[0] = 0x09; // F - - return sizeof(USB_KeyboardReport_Data_t); -} - -/** 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) -{ - uint8_t LEDMask = LEDS_NO_LEDS; - uint8_t* LEDReport = (uint8_t*)ReportData; - - if (*LEDReport & 0x01) // NUM Lock - LEDMask |= LEDS_LED1; - - if (*LEDReport & 0x02) // CAPS Lock - LEDMask |= LEDS_LED3; - - if (*LEDReport & 0x04) // SCROLL Lock - LEDMask |= LEDS_LED4; - - LEDs_SetAllLEDs(LEDMask); -} +/* + LUFA Library + Copyright (C) Dean Camera, 2012. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2012 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 Keyboard demo. This file contains the main tasks of + * the demo and is responsible for the initial application hardware configuration. + */ + +#include "Keyboard.h" + +/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */ +static uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)]; + +/** 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 Keyboard_HID_Interface = + { + .Config = + { + .InterfaceNumber = 0, + + .ReportINEndpointNumber = KEYBOARD_EPNUM, + .ReportINEndpointSize = KEYBOARD_EPSIZE, + .ReportINEndpointDoubleBank = false, + + .PrevReportINBuffer = PrevKeyboardHIDReportBuffer, + .PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer), + }, + }; + + +/** 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(&Keyboard_HID_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware() +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Hardware Initialization */ + Joystick_Init(); + LEDs_Init(); + Buttons_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(&Keyboard_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(&Keyboard_HID_Interface); +} + +/** Event handler for the USB device Start Of Frame event. */ +void EVENT_USB_Device_StartOfFrame(void) +{ + HID_Device_MillisecondElapsed(&Keyboard_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) +{ + USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData; + + uint8_t JoyStatus_LCL = Joystick_GetStatus(); + uint8_t ButtonStatus_LCL = Buttons_GetStatus(); + + uint8_t UsedKeyCodes = 0; + + if (JoyStatus_LCL & JOY_UP) + KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_A; + else if (JoyStatus_LCL & JOY_DOWN) + KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_B; + + if (JoyStatus_LCL & JOY_LEFT) + KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_C; + else if (JoyStatus_LCL & JOY_RIGHT) + KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_D; + + if (JoyStatus_LCL & JOY_PRESS) + KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_E; + + if (ButtonStatus_LCL & BUTTONS_BUTTON1) + KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_F; + + if (UsedKeyCodes) + KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT; + + *ReportSize = sizeof(USB_KeyboardReport_Data_t); + 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 LEDMask = LEDS_NO_LEDS; + uint8_t* LEDReport = (uint8_t*)ReportData; + + if (*LEDReport & HID_KEYBOARD_LED_NUMLOCK) + LEDMask |= LEDS_LED1; + + if (*LEDReport & HID_KEYBOARD_LED_CAPSLOCK) + LEDMask |= LEDS_LED3; + + if (*LEDReport & HID_KEYBOARD_LED_SCROLLLOCK) + LEDMask |= LEDS_LED4; + + LEDs_SetAllLEDs(LEDMask); +} +