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Add OTA rollback for Pico boards

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robert committed 2026-06-17 14:53:23 +03:00
1 parent cabab3d6e6
commit 2b2f85781a
5 files changed
+154 -236
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src/flash.c
+2
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@@ -57,6 +57,7 @@ bool mg_ota_flash_write(const void *buf, size_t len, struct mg_flash *flash) {
bool mg_ota_flash_end(struct mg_flash *flash) {
char *base = (char *) flash->start + flash->size / 2;
bool ok = false;
int prev_state = MG_OTA_STATE_GET();
if (s_size) {
size_t size = (size_t) (s_addr - base);
uint32_t crc32 = mg_crc32(0, base, s_size);
@@ -85,6 +86,7 @@ bool mg_ota_flash_end(struct mg_flash *flash) {
s_size = 0;
if (ok) MG_OTA_STATE_SET(MG_OTA_TESTING);
if (ok) ok = flash->swap_fn();
if (!ok) MG_OTA_STATE_SET(prev_state); // undo state in case of failure
}
MG_INFO(("Finishing OTA: %s", ok ? "ok" : "fail"));
return ok;