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/*
LUFA Library
Copyright (C) Dean Camera, 2019.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2019 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
*
* Header file for BootloaderCDC.c.
*/
#ifndef _CDC_H_
#define _CDC_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/boot.h>
#include <avr/eeprom.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdbool.h>
#include "Descriptors.h"
#include "BootloaderAPI.h"
#include "Config/AppConfig.h"
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Board/LEDs.h>
#include <LUFA/Platform/Platform.h>
/* Preprocessor Checks: */
#if !defined(__OPTIMIZE_SIZE__)
#error This bootloader requires that it be optimized for size, not speed, to fit into the target device. Change optimization settings and try again.
#endif
/* Macros: */
/** Version major of the CDC bootloader. */
#define BOOTLOADER_VERSION_MAJOR 0x01
/** Version minor of the CDC bootloader. */
#define BOOTLOADER_VERSION_MINOR 0x00
/** Hardware version major of the CDC bootloader. */
#define BOOTLOADER_HWVERSION_MAJOR 0x01
/** Hardware version minor of the CDC bootloader. */
#define BOOTLOADER_HWVERSION_MINOR 0x00
/** Eight character bootloader firmware identifier reported to the host when requested. */
#define SOFTWARE_IDENTIFIER "LUFACDC"
/** Magic bootloader key to unlock forced application start mode. */
#define MAGIC_BOOT_KEY 0xDC42
/* Enums: */
/** Possible memory types that can be addressed via the bootloader. */
enum AVR109_Memories
{
MEMORY_TYPE_FLASH = 'F',
MEMORY_TYPE_EEPROM = 'E',
};
/** Possible commands that can be issued to the bootloader. */
enum AVR109_Commands
{
AVR109_COMMAND_Sync = 27,
AVR109_COMMAND_ReadEEPROM = 'd',
AVR109_COMMAND_WriteEEPROM = 'D',
AVR109_COMMAND_ReadFLASHWord = 'R',
AVR109_COMMAND_WriteFlashPage = 'm',
AVR109_COMMAND_FillFlashPageWordLow = 'c',
AVR109_COMMAND_FillFlashPageWordHigh = 'C',
AVR109_COMMAND_GetBlockWriteSupport = 'b',
AVR109_COMMAND_BlockWrite = 'B',
AVR109_COMMAND_BlockRead = 'g',
AVR109_COMMAND_ReadExtendedFuses = 'Q',
AVR109_COMMAND_ReadHighFuses = 'N',
AVR109_COMMAND_ReadLowFuses = 'F',
AVR109_COMMAND_ReadLockbits = 'r',
AVR109_COMMAND_WriteLockbits = 'l',
AVR109_COMMAND_EraseFLASH = 'e',
AVR109_COMMAND_ReadSignature = 's',
AVR109_COMMAND_ReadBootloaderSWVersion = 'V',
AVR109_COMMAND_ReadBootloaderHWVersion = 'v',
AVR109_COMMAND_ReadBootloaderIdentifier = 'S',
AVR109_COMMAND_ReadBootloaderInterface = 'p',
AVR109_COMMAND_SetCurrentAddress = 'A',
AVR109_COMMAND_ReadAutoAddressIncrement = 'a',
AVR109_COMMAND_ReadPartCode = 't',
AVR109_COMMAND_EnterProgrammingMode = 'P',
AVR109_COMMAND_LeaveProgrammingMode = 'L',
AVR109_COMMAND_SelectDeviceType = 'T',
AVR109_COMMAND_SetLED = 'x',
AVR109_COMMAND_ClearLED = 'y',
AVR109_COMMAND_ExitBootloader = 'E',
};
/* Type Defines: */
/** Type define for a non-returning pointer to the start of the loaded application in flash memory. */
typedef void (*AppPtr_t)(void) ATTR_NO_RETURN;
/* Function Prototypes: */
static void CDC_Task(void);
static void SetupHardware(void);
void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
void EVENT_USB_Device_ConfigurationChanged(void);
#if defined(INCLUDE_FROM_BOOTLOADERCDC_C) || defined(__DOXYGEN__)
#if !defined(NO_BLOCK_SUPPORT)
static void ReadWriteMemoryBlock(const uint8_t Command);
#endif
static uint8_t FetchNextCommandByte(void);
static void WriteNextResponseByte(const uint8_t Response);
#endif
#endif
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