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Diffstat (limited to 'Bootloaders/DFU/BootloaderDFU.h')
| -rw-r--r-- | Bootloaders/DFU/BootloaderDFU.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/Bootloaders/DFU/BootloaderDFU.h b/Bootloaders/DFU/BootloaderDFU.h new file mode 100644 index 000000000..a97ba6c7e --- /dev/null +++ b/Bootloaders/DFU/BootloaderDFU.h @@ -0,0 +1,216 @@ +/* + 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 BootloaderDFU.c. + */ + +#ifndef _BOOTLOADER_H_ +#define _BOOTLOADER_H_ + + /* Includes: */ + #include <avr/io.h> + #include <avr/wdt.h> + #include <avr/boot.h> + #include <avr/pgmspace.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: */ + /** Major bootloader version number. */ + #define BOOTLOADER_VERSION_MINOR 2 + + /** Minor bootloader version number. */ + #define BOOTLOADER_VERSION_REV 0 + + /** Magic bootloader key to unlock forced application start mode. */ + #define MAGIC_BOOT_KEY 0xDC42 + + /** Complete bootloader version number expressed as a packed byte, constructed from the + * two individual bootloader version macros. + */ + #define BOOTLOADER_VERSION ((BOOTLOADER_VERSION_MINOR << 4) | BOOTLOADER_VERSION_REV) + + /** First byte of the bootloader identification bytes, used to identify a device's bootloader. */ + #define BOOTLOADER_ID_BYTE1 0xDC + + /** Second byte of the bootloader identification bytes, used to identify a device's bootloader. */ + #define BOOTLOADER_ID_BYTE2 0xFB + + /** Convenience macro, used to determine if the issued command is the given one-byte long command. + * + * \param[in] dataarr Command byte array to check against + * \param[in] cb1 First command byte to check + */ + #define IS_ONEBYTE_COMMAND(dataarr, cb1) (dataarr[0] == (cb1)) + + /** Convenience macro, used to determine if the issued command is the given two-byte long command. + * + * \param[in] dataarr Command byte array to check against + * \param[in] cb1 First command byte to check + * \param[in] cb2 Second command byte to check + */ + #define IS_TWOBYTE_COMMAND(dataarr, cb1, cb2) ((dataarr[0] == (cb1)) && (dataarr[1] == (cb2))) + + /** Length of the DFU file suffix block, appended to the end of each complete memory write command. + * The DFU file suffix is currently unused (but is designed to give extra file information, such as + * a CRC of the complete firmware for error checking) and so is discarded. + */ + #define DFU_FILE_SUFFIX_SIZE 16 + + /** Length of the DFU file filler block, appended to the start of each complete memory write command. + * Filler bytes are added to the start of each complete memory write command, and must be discarded. + */ + #define DFU_FILLER_BYTES_SIZE 26 + + /** DFU class command request to detach from the host. */ + #define DFU_REQ_DETATCH 0x00 + + /** DFU class command request to send data from the host to the bootloader. */ + #define DFU_REQ_DNLOAD 0x01 + + /** DFU class command request to send data from the bootloader to the host. */ + #define DFU_REQ_UPLOAD 0x02 + + /** DFU class command request to get the current DFU status and state from the bootloader. */ + #define DFU_REQ_GETSTATUS 0x03 + + /** DFU class command request to reset the current DFU status and state variables to their defaults. */ + #define DFU_REQ_CLRSTATUS 0x04 + + /** DFU class command request to get the current DFU state of the bootloader. */ + #define DFU_REQ_GETSTATE 0x05 + + /** DFU class command request to abort the current multi-request transfer and return to the dfuIDLE state. */ + #define DFU_REQ_ABORT 0x06 + + /** DFU command to begin programming the device's memory. */ + #define COMMAND_PROG_START 0x01 + + /** DFU command to begin reading the device's memory. */ + #define COMMAND_DISP_DATA 0x03 + + /** DFU command to issue a write command. */ + #define COMMAND_WRITE 0x04 + + /** DFU command to issue a read command. */ + #define COMMAND_READ 0x05 + + /** DFU command to issue a memory base address change command, to set the current 64KB flash page + * that subsequent flash operations should use. */ + #define COMMAND_CHANGE_BASE_ADDR 0x06 + + /* Type Defines: */ + /** Type define for a non-returning function pointer to the loaded application. */ + typedef void (*AppPtr_t)(void) ATTR_NO_RETURN; + + /** Type define for a structure containing a complete DFU command issued by the host. */ + typedef struct + { + uint8_t Command; /**< Single byte command to perform, one of the \c COMMAND_* macro values */ + uint8_t Data[5]; /**< Command parameters */ + uint16_t DataSize; /**< Size of the command parameters */ + } DFU_Command_t; + + /* Enums: */ + /** DFU bootloader states. Refer to the DFU class specification for information on each state. */ + enum DFU_State_t + { + appIDLE = 0, + appDETACH = 1, + dfuIDLE = 2, + dfuDNLOAD_SYNC = 3, + dfuDNBUSY = 4, + dfuDNLOAD_IDLE = 5, + dfuMANIFEST_SYNC = 6, + dfuMANIFEST = 7, + dfuMANIFEST_WAIT_RESET = 8, + dfuUPLOAD_IDLE = 9, + dfuERROR = 10 + }; + + /** DFU command status error codes. Refer to the DFU class specification for information on each error code. */ + enum DFU_Status_t + { + OK = 0, + errTARGET = 1, + errFILE = 2, + errWRITE = 3, + errERASE = 4, + errCHECK_ERASED = 5, + errPROG = 6, + errVERIFY = 7, + errADDRESS = 8, + errNOTDONE = 9, + errFIRMWARE = 10, + errVENDOR = 11, + errUSBR = 12, + errPOR = 13, + errUNKNOWN = 14, + errSTALLEDPKT = 15 + }; + + /* Function Prototypes: */ + static void SetupHardware(void); + static void ResetHardware(void); + + void EVENT_USB_Device_ControlRequest(void); + + #if defined(INCLUDE_FROM_BOOTLOADER_C) + static void DiscardFillerBytes(uint8_t NumberOfBytes); + static void ProcessBootloaderCommand(void); + static void LoadStartEndAddresses(void); + static void ProcessMemProgCommand(void); + static void ProcessMemReadCommand(void); + static void ProcessWriteCommand(void); + static void ProcessReadCommand(void); + #endif + + void Application_Jump_Check(void) ATTR_INIT_SECTION(3); + +#endif + |