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Diffstat (limited to 'lib/lufa/Demos/Device/LowLevel/GenericHID/GenericHID.c')
| -rw-r--r-- | lib/lufa/Demos/Device/LowLevel/GenericHID/GenericHID.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/lib/lufa/Demos/Device/LowLevel/GenericHID/GenericHID.c b/lib/lufa/Demos/Device/LowLevel/GenericHID/GenericHID.c deleted file mode 100644 index 916457a2f4..0000000000 --- a/lib/lufa/Demos/Device/LowLevel/GenericHID/GenericHID.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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" - - -/** Main program entry point. This routine configures the hardware required by the application, then - * enters a loop to run the application tasks in sequence. - */ -int main(void) -{ - SetupHardware(); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - HID_Task(); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ -#if (ARCH == ARCH_AVR8) - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); -#elif (ARCH == ARCH_XMEGA) - /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */ - XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU); - XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL); - - /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */ - XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ); - XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB); - - PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm; -#endif - - /* Hardware Initialization */ - LEDs_Init(); - USB_Init(); -} - -/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and - * starts the library USB task to begin the enumeration and USB management process. - */ -void EVENT_USB_Device_Connect(void) -{ - /* Indicate USB enumerating */ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via - * the status LEDs and stops the USB management task. - */ -void EVENT_USB_Device_Disconnect(void) -{ - /* Indicate USB not ready */ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration - * of the USB device after enumeration, and configures the generic HID device endpoints. - */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - bool ConfigSuccess = true; - - /* Setup HID Report Endpoints */ - ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_IN_EPADDR, EP_TYPE_INTERRUPT, GENERIC_EPSIZE, 1); - ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_OUT_EPADDR, EP_TYPE_INTERRUPT, GENERIC_EPSIZE, 1); - - /* Indicate endpoint configuration success or failure */ - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to - * the device from the USB host before passing along unhandled control requests to the library for processing - * internally. - */ -void EVENT_USB_Device_ControlRequest(void) -{ - /* Handle HID Class specific requests */ - switch (USB_ControlRequest.bRequest) - { - case HID_REQ_GetReport: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - uint8_t GenericData[GENERIC_REPORT_SIZE]; - CreateGenericHIDReport(GenericData); - - Endpoint_ClearSETUP(); - - /* Write the report data to the control endpoint */ - Endpoint_Write_Control_Stream_LE(&GenericData, sizeof(GenericData)); - Endpoint_ClearOUT(); - } - - break; - case HID_REQ_SetReport: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - uint8_t GenericData[GENERIC_REPORT_SIZE]; - - Endpoint_ClearSETUP(); - - /* Read the report data from the control endpoint */ - Endpoint_Read_Control_Stream_LE(&GenericData, sizeof(GenericData)); - Endpoint_ClearIN(); - - ProcessGenericHIDReport(GenericData); - } - - break; - } -} - -/** Function to process the last received report from the host. - * - * \param[in] DataArray Pointer to a buffer where the last received report has been stored - */ -void ProcessGenericHIDReport(uint8_t* DataArray) -{ - /* - This is where you need to process reports sent from the host to the device. This - function is called each time the host has sent a new report. DataArray is an array - holding the report sent from the host. - */ - - uint8_t NewLEDMask = LEDS_NO_LEDS; - - if (DataArray[0]) - NewLEDMask |= LEDS_LED1; - - if (DataArray[1]) - NewLEDMask |= LEDS_LED2; - - if (DataArray[2]) - NewLEDMask |= LEDS_LED3; - - if (DataArray[3]) - NewLEDMask |= LEDS_LED4; - - LEDs_SetAllLEDs(NewLEDMask); -} - -/** Function to create the next report to send back to the host at the next reporting interval. - * - * \param[out] DataArray Pointer to a buffer where the next report data should be stored - */ -void CreateGenericHIDReport(uint8_t* DataArray) -{ - /* - This is where you need to create reports to be sent to the host from the device. This - function is called each time the host is ready to accept a new report. DataArray is - an array to hold the report to the host. - */ - - uint8_t CurrLEDMask = LEDs_GetLEDs(); - - DataArray[0] = ((CurrLEDMask & LEDS_LED1) ? 1 : 0); - DataArray[1] = ((CurrLEDMask & LEDS_LED2) ? 1 : 0); - DataArray[2] = ((CurrLEDMask & LEDS_LED3) ? 1 : 0); - DataArray[3] = ((CurrLEDMask & LEDS_LED4) ? 1 : 0); -} - -void HID_Task(void) -{ - /* Device must be connected and configured for the task to run */ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; - - Endpoint_SelectEndpoint(GENERIC_OUT_EPADDR); - - /* Check to see if a packet has been sent from the host */ - if (Endpoint_IsOUTReceived()) - { - /* Check to see if the packet contains data */ - if (Endpoint_IsReadWriteAllowed()) - { - /* Create a temporary buffer to hold the read in report from the host */ - uint8_t GenericData[GENERIC_REPORT_SIZE]; - - /* Read Generic Report Data */ - Endpoint_Read_Stream_LE(&GenericData, sizeof(GenericData), NULL); - - /* Process Generic Report Data */ - ProcessGenericHIDReport(GenericData); - } - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearOUT(); - } - - Endpoint_SelectEndpoint(GENERIC_IN_EPADDR); - - /* Check to see if the host is ready to accept another packet */ - if (Endpoint_IsINReady()) - { - /* Create a temporary buffer to hold the report to send to the host */ - uint8_t GenericData[GENERIC_REPORT_SIZE]; - - /* Create Generic Report Data */ - CreateGenericHIDReport(GenericData); - - /* Write Generic Report Data */ - Endpoint_Write_Stream_LE(&GenericData, sizeof(GenericData), NULL); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearIN(); - } -} - |