/*
LUFA Library
- Copyright (C) Dean Camera, 2012.
+ Copyright (C) Dean Camera, 2013.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 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
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
{
/* Turn off the watchdog */
MCUSR &= ~(1<<WDRF);
- wdt_disable();
+ wdt_disable();
/* Clear the boot key and jump to the user application */
MagicBootKey = 0;
LEDs_SetAllLEDs(LEDS_LED1);
/* Enable global interrupts so that the USB stack can function */
- sei();
+ GlobalInterruptEnable();
while (RunBootloader)
{
/* Disconnect from the host - USB interface will be reset later along with the AVR */
USB_Detach();
-
+
/* Unlock the forced application start mode of the bootloader if it is restarted */
MagicBootKey = MAGIC_BOOT_KEY;
uint16_t BlockSize;
char MemoryType;
- bool HighByte = false;
+ uint8_t HighByte = 0;
uint8_t LowByte = 0;
BlockSize = (FetchNextCommandByte() << 8);
MemoryType = FetchNextCommandByte();
- if ((MemoryType != 'E') && (MemoryType != 'F'))
+ if ((MemoryType != MEMORY_TYPE_FLASH) && (MemoryType != MEMORY_TYPE_EEPROM))
{
/* Send error byte back to the host */
WriteNextResponseByte('?');
return;
}
- /* Check if command is to read memory */
- if (Command == 'g')
+ /* Check if command is to read a memory block */
+ if (Command == AVR109_COMMAND_BlockRead)
{
/* Re-enable RWW section */
boot_rww_enable();
while (BlockSize--)
{
- if (MemoryType == 'F')
+ if (MemoryType == MEMORY_TYPE_FLASH)
{
/* Read the next FLASH byte from the current FLASH page */
#if (FLASHEND > 0xFFFF)
{
uint32_t PageStartAddress = CurrAddress;
- if (MemoryType == 'F')
+ if (MemoryType == MEMORY_TYPE_FLASH)
{
boot_page_erase(PageStartAddress);
boot_spm_busy_wait();
while (BlockSize--)
{
- if (MemoryType == 'F')
+ if (MemoryType == MEMORY_TYPE_FLASH)
{
/* If both bytes in current word have been written, increment the address counter */
if (HighByte)
}
/* If in FLASH programming mode, commit the page after writing */
- if (MemoryType == 'F')
+ if (MemoryType == MEMORY_TYPE_FLASH)
{
/* Commit the flash page to memory */
boot_page_write(PageStartAddress);
/* Read in the bootloader command (first byte sent from host) */
uint8_t Command = FetchNextCommandByte();
- if (Command == 'E')
+ if (Command == AVR109_COMMAND_ExitBootloader)
{
RunBootloader = false;
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 'T')
+ else if ((Command == AVR109_COMMAND_SetLED) || (Command == AVR109_COMMAND_ClearLED) ||
+ (Command == AVR109_COMMAND_SelectDeviceType))
{
FetchNextCommandByte();
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if ((Command == 'L') || (Command == 'P'))
+ else if ((Command == AVR109_COMMAND_EnterProgrammingMode) || (Command == AVR109_COMMAND_LeaveProgrammingMode))
{
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 't')
+ else if (Command == AVR109_COMMAND_ReadPartCode)
{
/* Return ATMEGA128 part code - this is only to allow AVRProg to use the bootloader */
WriteNextResponseByte(0x44);
WriteNextResponseByte(0x00);
}
- else if (Command == 'a')
+ else if (Command == AVR109_COMMAND_ReadAutoAddressIncrement)
{
/* Indicate auto-address increment is supported */
WriteNextResponseByte('Y');
}
- else if (Command == 'A')
+ else if (Command == AVR109_COMMAND_SetCurrentAddress)
{
- /* Set the current address to that given by the host */
+ /* Set the current address to that given by the host (translate 16-bit word address to byte address) */
CurrAddress = (FetchNextCommandByte() << 9);
CurrAddress |= (FetchNextCommandByte() << 1);
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 'p')
+ else if (Command == AVR109_COMMAND_ReadBootloaderInterface)
{
/* Indicate serial programmer back to the host */
WriteNextResponseByte('S');
}
- else if (Command == 'S')
+ else if (Command == AVR109_COMMAND_ReadBootloaderIdentifier)
{
/* Write the 7-byte software identifier to the endpoint */
for (uint8_t CurrByte = 0; CurrByte < 7; CurrByte++)
WriteNextResponseByte(SOFTWARE_IDENTIFIER[CurrByte]);
}
- else if (Command == 'V')
+ else if (Command == AVR109_COMMAND_ReadBootloaderSWVersion)
{
WriteNextResponseByte('0' + BOOTLOADER_VERSION_MAJOR);
WriteNextResponseByte('0' + BOOTLOADER_VERSION_MINOR);
}
- else if (Command == 's')
+ else if (Command == AVR109_COMMAND_ReadSignature)
{
WriteNextResponseByte(AVR_SIGNATURE_3);
WriteNextResponseByte(AVR_SIGNATURE_2);
WriteNextResponseByte(AVR_SIGNATURE_1);
}
- else if (Command == 'e')
+ else if (Command == AVR109_COMMAND_EraseFLASH)
{
/* Clear the application section of flash */
for (uint32_t CurrFlashAddress = 0; CurrFlashAddress < (uint32_t)BOOT_START_ADDR; CurrFlashAddress += SPM_PAGESIZE)
WriteNextResponseByte('\r');
}
#if !defined(NO_LOCK_BYTE_WRITE_SUPPORT)
- else if (Command == 'l')
+ else if (Command == AVR109_COMMAND_WriteLockbits)
{
/* Set the lock bits to those given by the host */
boot_lock_bits_set(FetchNextCommandByte());
WriteNextResponseByte('\r');
}
#endif
- else if (Command == 'r')
+ else if (Command == AVR109_COMMAND_ReadLockbits)
{
WriteNextResponseByte(boot_lock_fuse_bits_get(GET_LOCK_BITS));
}
- else if (Command == 'F')
+ else if (Command == AVR109_COMMAND_ReadLowFuses)
{
WriteNextResponseByte(boot_lock_fuse_bits_get(GET_LOW_FUSE_BITS));
}
- else if (Command == 'N')
+ else if (Command == AVR109_COMMAND_ReadHighFuses)
{
WriteNextResponseByte(boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS));
}
- else if (Command == 'Q')
+ else if (Command == AVR109_COMMAND_ReadExtendedFuses)
{
WriteNextResponseByte(boot_lock_fuse_bits_get(GET_EXTENDED_FUSE_BITS));
}
#if !defined(NO_BLOCK_SUPPORT)
- else if (Command == 'b')
+ else if (Command == AVR109_COMMAND_GetBlockWriteSupport)
{
WriteNextResponseByte('Y');
WriteNextResponseByte(SPM_PAGESIZE >> 8);
WriteNextResponseByte(SPM_PAGESIZE & 0xFF);
}
- else if ((Command == 'B') || (Command == 'g'))
+ else if ((Command == AVR109_COMMAND_BlockWrite) || (Command == AVR109_COMMAND_BlockRead))
{
/* Delegate the block write/read to a separate function for clarity */
ReadWriteMemoryBlock(Command);
}
#endif
#if !defined(NO_FLASH_BYTE_SUPPORT)
- else if (Command == 'C')
+ else if (Command == AVR109_COMMAND_FillFlashPageWordHigh)
{
/* Write the high byte to the current flash page */
boot_page_fill(CurrAddress, FetchNextCommandByte());
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 'c')
+ else if (Command == AVR109_COMMAND_FillFlashPageWordLow)
{
/* Write the low byte to the current flash page */
boot_page_fill(CurrAddress | 0x01, FetchNextCommandByte());
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 'm')
+ else if (Command == AVR109_COMMAND_WriteFlashPage)
{
/* Commit the flash page to memory */
boot_page_write(CurrAddress);
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 'R')
+ else if (Command == AVR109_COMMAND_ReadFLASHWord)
{
#if (FLASHEND > 0xFFFF)
uint16_t ProgramWord = pgm_read_word_far(CurrAddress);
}
#endif
#if !defined(NO_EEPROM_BYTE_SUPPORT)
- else if (Command == 'D')
+ else if (Command == AVR109_COMMAND_WriteEEPROM)
{
/* Read the byte from the endpoint and write it to the EEPROM */
eeprom_write_byte((uint8_t*)((intptr_t)(CurrAddress >> 1)), FetchNextCommandByte());
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
- else if (Command == 'd')
+ else if (Command == AVR109_COMMAND_ReadEEPROM)
{
/* Read the EEPROM byte and write it to the endpoint */
WriteNextResponseByte(eeprom_read_byte((uint8_t*)((intptr_t)(CurrAddress >> 1))));
CurrAddress += 2;
}
#endif
- else if (Command != 27)
+ else if (Command != AVR109_COMMAND_Sync)
{
/* Unknown (non-sync) command, return fail code */
WriteNextResponseByte('?');
projects / pub / USBasp.git / blobdiff