diff options
Diffstat (limited to 'sw/Core')
| -rwxr-xr-x | sw/Core/Src/config.h | 5 | ||||
| -rwxr-xr-x | sw/Core/Src/plinky.c | 27 | ||||
| -rwxr-xr-x | sw/Core/Src/webusb.h | 1 |
3 files changed, 30 insertions, 3 deletions
diff --git a/sw/Core/Src/config.h b/sw/Core/Src/config.h index 387382c..7cb83ab 100755 --- a/sw/Core/Src/config.h +++ b/sw/Core/Src/config.h @@ -59,3 +59,8 @@ // 0.A7 - Bootloader work to make it work on MacOSX #define VERSION2 "v0.A7" +// the bootloader is manually copied to the file golden_bootloader.bin +// makebin.py uses it to make a UF2 file containing the bootloader + latest firmware together +// it also checksums the firmware and prints out the value. it should match this value + +#define GOLDEN_CHECKSUM 0xb5a7228c
\ No newline at end of file diff --git a/sw/Core/Src/plinky.c b/sw/Core/Src/plinky.c index cdcec60..14ffafe 100755 --- a/sw/Core/Src/plinky.c +++ b/sw/Core/Src/plinky.c @@ -2557,6 +2557,7 @@ short *getrxbuf(void); #define REVERB_BUF 0x10000000 #define DELAY_BUF 0x20008000 + void check_bootloader_flash(void) { int count=0; uint32_t *rb32=(uint32_t*)REVERB_BUF; @@ -2569,8 +2570,23 @@ void check_bootloader_flash(void) { if (count!=64/4 || magic!=0xa738ea75) { return; } - clear(); char buf[32]; + // checksum! + uint32_t checksum = 0; + for (int i=0;i<65536/4;++i) { + checksum = checksum * 23 + ((uint32_t*)DELAY_BUF)[i]; + } + if (checksum != GOLDEN_CHECKSUM) { + DebugLog("bootloader checksum failed %08x != %08x\r\n", checksum, GOLDEN_CHECKSUM); + clear(); + drawstr(0,0,F_8,"bad bootloader crc"); + snprintf(buf, sizeof(buf), "%08x vs %08x", checksum, GOLDEN_CHECKSUM); + drawstr(0,8,F_8,buf); + oled_flip(vrambuf); + HAL_Delay(10000); + return; + } + clear(); snprintf(buf, sizeof(buf), "%08x %d", magic, count); drawstr(0, 0, F_16, buf); snprintf(buf, sizeof(buf), "%08x %08x", app_base[0], app_base[1]); @@ -2606,7 +2622,11 @@ void check_bootloader_flash(void) { } DebugLog("FLASHING BOOTLOADER! DO NOT RESET\r\n"); clear(); - drawstr(0,0,F_16_BOLD,"FLASHING\nBOOTLOADER"); + drawstr(0,0,F_12_BOLD,"FLASHING\nBOOTLOADER"); + char verbuf[5]={}; + memcpy(verbuf,(DELAY_BUF+65536-4),4); + drawstr(0,24,F_8,verbuf); + oled_flip(vrambuf); HAL_FLASH_Unlock(); FLASH_EraseInitTypeDef EraseInitStruct; @@ -2640,7 +2660,8 @@ void check_bootloader_flash(void) { HAL_FLASH_Lock(); DebugLog("BOOTLOADER has been flashed!\r\n"); clear(); - drawstr(0,0,F_16_BOLD,"BOOTLOADER\nFLASHED OK!"); + drawstr(0,0,F_12_BOLD,"BOOTLOADER\nFLASHED OK!"); + drawstr(0,24,F_8,verbuf); oled_flip(vrambuf); HAL_Delay(3000); diff --git a/sw/Core/Src/webusb.h b/sw/Core/Src/webusb.h index 3405de5..495acd7 100755 --- a/sw/Core/Src/webusb.h +++ b/sw/Core/Src/webusb.h @@ -51,6 +51,7 @@ typedef struct WebUSBHeader { // 10 byte header u16 len; } WebUSBHeader; const static u8 wu_magic[4] = { 0xf3,0x0f,0xab,0xca }; // we expect magic to be these +const static u8 wu_magic_ext[4] = { 0xf4,0x1f,0xcb,0xdb }; // we expect magic to be these #define WEB_USB_TIMEOUT 500 enum { // state machine ticks thru these in order, more or less WU_MAGIC0, |