Add branch for the conversion of demos to use standard C header files for configuration, rather than makefile defined macros.
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395 changed files with 9912 additions and 2756 deletions
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@ -92,6 +92,27 @@ static uint16_t StartAddr = 0x0000;
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*/
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static uint16_t EndAddr = 0x0000;
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/** Magic lock for forced application start. If the HWBE fuse is programmed and BOOTRST is unprogrammed, the bootloader
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* will start if the /HWB line of the AVR is held low and the system is reset. However, if the /HWB line is still held
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* low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value
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* \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start.
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*/
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uint32_t MagicBootKey ATTR_NO_INIT;
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/** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application
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* start key has been loaded into \ref MagicBootKey. If the bootloader started via the watchdog and the key is valid,
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* this will force the user application to start via a software jump.
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*/
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void Application_Jump_Check(void)
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{
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// If the reset source was the bootloader and the key is correct, clear it and jump to the application
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if ((MCUSR & (1 << WDRF)) && (MagicBootKey == MAGIC_BOOT_KEY))
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{
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MagicBootKey = 0;
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AppStartPtr();
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}
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}
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/** Main program entry point. This routine configures the hardware required by the bootloader, then continuously
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* runs the bootloader processing routine until instructed to soft-exit, or hard-reset via the watchdog to start
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@ -695,6 +716,9 @@ static void ProcessWriteCommand(void)
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{
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if (SentCommand.Data[1] == 0x00) // Start via watchdog
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{
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/* Unlock the forced application start mode of the bootloader if it is restarted */
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MagicBootKey = MAGIC_BOOT_KEY;
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/* Start the watchdog to reset the AVR once the communications are finalized */
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wdt_enable(WDTO_250MS);
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}
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