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162 lines
4.5 KiB
162 lines
4.5 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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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 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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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 Standalone Programmer project. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#define INCLUDE_FROM_STANDALONEPROG_C
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#include "StandaloneProgrammer.h"
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/** Standard file stream for the currently open file on the disk. */
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FILE DiskStream = FDEV_SETUP_STREAM(NULL, Disk_getchar, _FDEV_SETUP_READ);
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/** Petite FAT Fs structure to hold the internal state of the FAT driver for the dataflash contents. */
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FATFS DiskFATState;
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/** Stream character fetching routine for the FAT driver so that characters from the currently open file can be
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* read in sequence when applied to a stdio stream.
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*/
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static int Disk_getchar(FILE* Stream)
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{
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char ReadByte;
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WORD ByteWasRead;
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if (pf_read(&ReadByte, 1, &ByteWasRead) != FR_OK)
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return _FDEV_ERR;
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return (ByteWasRead ? ReadByte : _FDEV_EOF);
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}
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#if defined(USB_CAN_BE_BOTH)
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/** Event to handle mode changes in the library, to clear the FAT library's drive state structure when transitioning
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* between modes. This ensures that the library always works with current disk data.
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*/
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void EVENT_USB_UIDChange(void)
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{
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pf_mount(&DiskFATState);
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}
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#endif
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/** Task to determine if the user is wishes to start the programming sequence, and if so executes the
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* required functions to program the attached target (if any) with the files loaded to the dataflash.
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*/
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void Programmer_Task(void)
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{
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static bool HasAttempted = false;
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if (Buttons_GetStatus() & BUTTONS_BUTTON1)
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{
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if (!(HasAttempted))
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HasAttempted = true;
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else
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return;
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puts("==== PROGRAMMING CYCLE STARTED ====\r\n");
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#if defined(USB_CAN_BE_BOTH)
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printf("Using %s Drive...\r\n", (USB_CurrentMode == USB_MODE_HOST) ? "External" : "Internal");
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#endif
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puts("Reading Configuration File...\r\n");
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if (!(ProgrammerConfig_ProcessConfiguration()))
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goto EndOfProgCycle;
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EndOfProgCycle:
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puts("==== PROGRAMMING CYCLE FINISHED ====\r\n");
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}
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else
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{
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HasAttempted = false;
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}
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}
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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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Programmer_Task();
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if (USB_CurrentMode == USB_MODE_HOST)
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{
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#if defined(USB_CAN_BE_HOST)
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DiskHost_USBTask();
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#endif
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}
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else
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{
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#if defined(USB_CAN_BE_DEVICE)
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DiskDevice_USBTask();
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#endif
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}
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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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#if defined(USB_CAN_BE_BOTH)
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USB_Init(USB_MODE_UID);
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#else
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USB_Init();
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#endif
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LEDs_Init();
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SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
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Dataflash_Init();
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Buttons_Init();
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SerialStream_Init(9600, true);
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#if defined(USB_CAN_BE_DEVICE)
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/* Clear Dataflash sector protections, if enabled */
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DataflashManager_ResetDataflashProtections();
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#endif
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}
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