/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2021.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2021 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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 disclaim all warranties with regard to this
+ 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
#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>
-
- /* Macros: */
- /** Configuration define. Define this token to true to case the bootloader to reject all memory commands
- * until a memory erase has been performed. When used in conjunction with the lockbits of the AVR, this
- * can protect the AVR's firmware from being dumped from a secured AVR. When false, memory operations are
- * allowed at any time.
- */
- #define SECURE_MODE false
+ #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
- /** Complete bootloader version number expressed as a packed byte, constructed from the
+ /** 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)
/** 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] 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.
* 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_DETATCH 0x00
+ #define DFU_REQ_DETATCH 0x00
/** DFU class command request to send data from the host to the bootloader. */
- #define DFU_DNLOAD 0x01
+ #define DFU_REQ_DNLOAD 0x01
/** DFU class command request to send data from the bootloader to the host. */
- #define DFU_UPLOAD 0x02
+ #define DFU_REQ_UPLOAD 0x02
/** DFU class command request to get the current DFU status and state from the bootloader. */
- #define DFU_GETSTATUS 0x03
+ #define DFU_REQ_GETSTATUS 0x03
/** DFU class command request to reset the current DFU status and state variables to their defaults. */
- #define DFU_CLRSTATUS 0x04
+ #define DFU_REQ_CLRSTATUS 0x04
/** DFU class command request to get the current DFU state of the bootloader. */
- #define DFU_GETSTATE 0x05
+ #define DFU_REQ_GETSTATE 0x05
/** DFU class command request to abort the current multi-request transfer and return to the dfuIDLE state. */
- #define DFU_ABORT 0x06
+ #define DFU_REQ_ABORT 0x06
/** DFU command to begin programming the device's memory. */
#define COMMAND_PROG_START 0x01
/* 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 COMMAND_* macro values */
+ 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;
dfuMANIFEST = 7,
dfuMANIFEST_WAIT_RESET = 8,
dfuUPLOAD_IDLE = 9,
- dfuERROR = 10
+ dfuERROR = 10
};
/** DFU command status error codes. Refer to the DFU class specification for information on each error code. */
errUSBR = 12,
errPOR = 13,
errUNKNOWN = 14,
- errSTALLEDPKT = 15
+ errSTALLEDPKT = 15
};
-
+
/* Function Prototypes: */
- void SetupHardware(void);
- void ResetHardware(void);
+ static void SetupHardware(void);
+ static void ResetHardware(void);
- void EVENT_USB_Device_UnhandledControlRequest(void);
+ void EVENT_USB_Device_ControlRequest(void);
#if defined(INCLUDE_FROM_BOOTLOADER_C)
static void DiscardFillerBytes(uint8_t NumberOfBytes);
static void ProcessWriteCommand(void);
static void ProcessReadCommand(void);
#endif
-
+
+ void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
+
#endif
+
projects / pub / lufa.git / blobdiff