hueso/badgemagic-firmware
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fix: crash loop on new chip (#45)

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changes: skip reading bitmaps on invalid magic header
This commit is contained in:
Dien-Nhung Nguyen
2024-09-05 22:30:40 +07:00
committed by GitHub
parent a8b32e91b6
commit 68e4ce488d
2 changed files with 6 additions and 0 deletions
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3
src/data.c
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@@ -43,6 +43,9 @@ uint16_t data_flash2newmem(uint8_t **chunk, uint32_t n)
{ {
data_legacy_t *header = data_get_header(0); data_legacy_t *header = data_get_header(0);
if (memcmp(header->header, "wang", 5))
return 0;
uint16_t size = bswap16(header->sizes[n]) * LED_ROWS; uint16_t size = bswap16(header->sizes[n]) * LED_ROWS;
if (size == 0) if (size == 0)
return 0; return 0;

3
src/main.c
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@@ -79,6 +79,9 @@ void play_splash(xbm_t *xbm, int col, int row)
void load_bmlist() void load_bmlist()
{ {
if (data_get_header(0) == 0) // There is no bitmap stored in flash
return; // skip
bm_t *curr_bm = bmlist_current(); bm_t *curr_bm = bmlist_current();
for (int i=0; i<8; i++) { for (int i=0; i<8; i++) {