Commit 1f33bc2f authored by Dean Camera's avatar Dean Camera
Browse files

Minor cleanup of the CDC bootloader.

parent 72fc4a20
......@@ -96,7 +96,7 @@ void Application_Jump_Check(void)
{
/* Turn off the watchdog */
MCUSR &= ~(1<<WDRF);
wdt_disable();
wdt_disable();
/* Clear the boot key and jump to the user application */
MagicBootKey = 0;
......@@ -129,7 +129,7 @@ int main(void)
/* 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;
......@@ -442,7 +442,7 @@ static void CDC_Task(void)
}
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);
......@@ -460,7 +460,7 @@ static void CDC_Task(void)
for (uint8_t CurrByte = 0; CurrByte < 7; CurrByte++)
WriteNextResponseByte(SOFTWARE_IDENTIFIER[CurrByte]);
}
else if (Command == AVR109_COMMAND_ReadBootloaderVersion)
else if (Command == AVR109_COMMAND_ReadBootloaderSWVersion)
{
WriteNextResponseByte('0' + BOOTLOADER_VERSION_MAJOR);
WriteNextResponseByte('0' + BOOTLOADER_VERSION_MINOR);
......
......@@ -70,7 +70,7 @@
/** 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
......@@ -78,7 +78,7 @@
MEMORY_TYPE_FLASH = 'F',
MEMORY_TYPE_EEPROM = 'E',
};
/** Possible commands that can be issued to the bootloader. */
enum AVR109_Commands
{
......@@ -99,7 +99,8 @@
AVR109_COMMAND_WriteLockbits = 'l',
AVR109_COMMAND_EraseFLASH = 'e',
AVR109_COMMAND_ReadSignature = 's',
AVR109_COMMAND_ReadBootloaderVersion = 'V',
AVR109_COMMAND_ReadBootloaderSWVersion = 'V',
AVR109_COMMAND_ReadBootloaderHWVersion = 'v',
AVR109_COMMAND_ReadBootloaderIdentifier = 'S',
AVR109_COMMAND_ReadBootloaderInterface = 'p',
AVR109_COMMAND_SetCurrentAddress = 'A',
......@@ -112,7 +113,7 @@
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;
......
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