144 lines
4.9 KiB
C
144 lines
4.9 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2017.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2017 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 disclaims 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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* Header file for BootloaderCDC.c.
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*/
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#ifndef _CDC_H_
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#define _CDC_H_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/boot.h>
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#include <avr/eeprom.h>
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#include <avr/power.h>
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#include <avr/interrupt.h>
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#include <stdbool.h>
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#include "Descriptors.h"
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#include "BootloaderAPI.h"
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#include "Config/AppConfig.h"
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/Board/LEDs.h>
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#include <LUFA/Platform/Platform.h>
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/* Preprocessor Checks: */
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#if !defined(__OPTIMIZE_SIZE__)
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#error This bootloader requires that it be optimized for size, not speed, to fit into the target device. Change optimization settings and try again.
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#endif
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/* Macros: */
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/** Version major of the CDC bootloader. */
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#define BOOTLOADER_VERSION_MAJOR 0x01
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/** Version minor of the CDC bootloader. */
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#define BOOTLOADER_VERSION_MINOR 0x00
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/** Hardware version major of the CDC bootloader. */
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#define BOOTLOADER_HWVERSION_MAJOR 0x01
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/** Hardware version minor of the CDC bootloader. */
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#define BOOTLOADER_HWVERSION_MINOR 0x00
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/** Eight character bootloader firmware identifier reported to the host when requested. */
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#define SOFTWARE_IDENTIFIER "LUFACDC"
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/** Magic bootloader key to unlock forced application start mode. */
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#define MAGIC_BOOT_KEY 0xDC42
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/* Enums: */
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/** Possible memory types that can be addressed via the bootloader. */
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enum AVR109_Memories
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{
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MEMORY_TYPE_FLASH = 'F',
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MEMORY_TYPE_EEPROM = 'E',
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};
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/** Possible commands that can be issued to the bootloader. */
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enum AVR109_Commands
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{
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AVR109_COMMAND_Sync = 27,
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AVR109_COMMAND_ReadEEPROM = 'd',
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AVR109_COMMAND_WriteEEPROM = 'D',
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AVR109_COMMAND_ReadFLASHWord = 'R',
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AVR109_COMMAND_WriteFlashPage = 'm',
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AVR109_COMMAND_FillFlashPageWordLow = 'c',
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AVR109_COMMAND_FillFlashPageWordHigh = 'C',
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AVR109_COMMAND_GetBlockWriteSupport = 'b',
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AVR109_COMMAND_BlockWrite = 'B',
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AVR109_COMMAND_BlockRead = 'g',
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AVR109_COMMAND_ReadExtendedFuses = 'Q',
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AVR109_COMMAND_ReadHighFuses = 'N',
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AVR109_COMMAND_ReadLowFuses = 'F',
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AVR109_COMMAND_ReadLockbits = 'r',
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AVR109_COMMAND_WriteLockbits = 'l',
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AVR109_COMMAND_EraseFLASH = 'e',
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AVR109_COMMAND_ReadSignature = 's',
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AVR109_COMMAND_ReadBootloaderSWVersion = 'V',
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AVR109_COMMAND_ReadBootloaderHWVersion = 'v',
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AVR109_COMMAND_ReadBootloaderIdentifier = 'S',
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AVR109_COMMAND_ReadBootloaderInterface = 'p',
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AVR109_COMMAND_SetCurrentAddress = 'A',
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AVR109_COMMAND_ReadAutoAddressIncrement = 'a',
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AVR109_COMMAND_ReadPartCode = 't',
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AVR109_COMMAND_EnterProgrammingMode = 'P',
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AVR109_COMMAND_LeaveProgrammingMode = 'L',
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AVR109_COMMAND_SelectDeviceType = 'T',
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AVR109_COMMAND_SetLED = 'x',
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AVR109_COMMAND_ClearLED = 'y',
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AVR109_COMMAND_ExitBootloader = 'E',
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};
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/* Type Defines: */
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/** Type define for a non-returning pointer to the start of the loaded application in flash memory. */
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typedef void (*AppPtr_t)(void) ATTR_NO_RETURN;
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/* Function Prototypes: */
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static void CDC_Task(void);
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static void SetupHardware(void);
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void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
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void EVENT_USB_Device_ConfigurationChanged(void);
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#if defined(INCLUDE_FROM_BOOTLOADERCDC_C) || defined(__DOXYGEN__)
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#if !defined(NO_BLOCK_SUPPORT)
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static void ReadWriteMemoryBlock(const uint8_t Command);
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#endif
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static uint8_t FetchNextCommandByte(void);
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static void WriteNextResponseByte(const uint8_t Response);
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#endif
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#endif
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