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122 lines
3.5 KiB
122 lines
3.5 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the AVRISP project. This file contains the main tasks of
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* the project and is responsible for the initial application hardware configuration.
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*/
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#include "AVRISP.h"
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/** Main program entry point. This routine contains the overall program flow, including initial
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* setup of all components and the main program loop.
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*/
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int main(void)
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{
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SetupHardware();
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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for (;;)
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{
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Process_AVRISP_Commands();
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V2Params_UpdateParamValues();
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USB_USBTask();
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}
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(void)
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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/* Hardware Initialization */
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LEDs_Init();
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USB_Init();
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V2Protocol_Init();
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}
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/** Event handler for the library USB Connection event. */
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void EVENT_USB_Device_Connect(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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}
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/** Event handler for the library USB Disconnection event. */
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void EVENT_USB_Device_Disconnect(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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}
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/** Event handler for the library USB Configuration Changed event. */
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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/* Indicate USB connected and ready */
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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/* Setup AVRISP data Endpoints */
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if (!(Endpoint_ConfigureEndpoint(AVRISP_DATA_EPNUM, EP_TYPE_BULK,
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ENDPOINT_DIR_OUT, AVRISP_DATA_EPSIZE,
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ENDPOINT_BANK_SINGLE)))
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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}
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/** Processes incoming V2 Protocol commands from the host, returning a response when required. */
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void Process_AVRISP_Commands(void)
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{
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/* Device must be connected and configured for the task to run */
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return;
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Endpoint_SelectEndpoint(AVRISP_DATA_EPNUM);
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/* Check to see if a V2 Protocol command has been received */
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if (Endpoint_IsOUTReceived())
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{
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LEDs_SetAllLEDs(LEDMASK_BUSY);
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/* Pass off processing of the V2 Protocol command to the V2 Protocol handler */
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V2Protocol_ProcessCommand();
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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}
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}
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