bia-microddr/bia_microddr_fw
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fixed issue with bootloader not correctly reading application version word from program flash memory

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This commit is contained in:
Boris Honman
2019-08-22 01:02:32 -04:00
parent cb90e4f40a
commit 7dd18d2772
5 changed files with 10 additions and 8 deletions
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4
bootloader/src/bootloader.c
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@@ -69,8 +69,6 @@
#define REQUEST_DATA_BLOCK_SIZE 0x3A //Number of data bytes in a standard request to the PC. Must be an even number from 2-58 (0x02-0x3A). Larger numbers make better use of USB bandwidth and
//yeild shorter program/verify times, but require more micrcontroller RAM for buffer space.
/** USB Packet Request/Response Formatting Structure **********************************************************/
typedef union
{
@@ -397,7 +395,7 @@ void ProcessIO(void)
//in this firmware and is available for requesting by the host software.
PacketToPC.Command = QUERY_EXTENDED_INFO; //Echo the command byte
PacketToPC.BootloaderVersion = ((unsigned int)BOOTLOADER_VERSION_MAJOR << 8)| BOOTLOADER_VERSION_MINOR;
PacketToPC.ApplicationVersion = *(const unsigned int*)APP_FW_VERSION_ADDRESS;
memcpy(&PacketToPC.ApplicationVersion, (void*)APP_FW_VERSION_ADDRESS, 2);
PacketToPC.SignatureAddress = APP_SIGNATURE_ADDRESS;
PacketToPC.SignatureValue = APP_SIGNATURE_VALUE;
PacketToPC.ErasePageSize = ERASE_PAGE_SIZE;

5
bootloader/src/main.c
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@@ -17,7 +17,10 @@
* IF YOU FLASH BROKEN APPLICATION FIRMWARE YOU WILL HAVE A BRICK!!
* At that point the device can only be reprogrammed by a dedicated programmer such as the ICD or Pickit 3.
*/
#define ENABLE_HARDWARE_MODE_OVERRIDE
// Yep, I'm disabling it anyway. the boards aren't designed to accomodate another pull-up resistor
// or pushbutton. a jump from application code is sufficient since you shouldn't be flashing modified or
// untested firmware without a pickit anyway.
//#define ENABLE_HARDWARE_MODE_OVERRIDE
/* Private prototypes */
void main(void);