diff options
Diffstat (limited to 'Bootloaders/CDC/BootloaderCDC.h')
| -rw-r--r-- | Bootloaders/CDC/BootloaderCDC.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/Bootloaders/CDC/BootloaderCDC.h b/Bootloaders/CDC/BootloaderCDC.h new file mode 100644 index 0000000000..b6543aa738 --- /dev/null +++ b/Bootloaders/CDC/BootloaderCDC.h @@ -0,0 +1,144 @@ +/* + 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 + * + * 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 <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 + |