Add CRC verification

This commit is contained in:
logicog
2025-10-20 07:29:39 +02:00
parent 8499e9e464
commit 4d17d9ff00
+12
View File
@@ -49,6 +49,9 @@ __xdata uint16_t short_parsed;
#define TSTATE_CLOSED 3
#define TSTATE_POST 4
extern __xdata uint16_t crc_value;
void crc16(__xdata uint8_t *v) __naked;
inline uint8_t is_separator(uint8_t c)
{
@@ -224,6 +227,12 @@ uint8_t stream_upload(uint16_t bptr)
uptr += write_len;
write_len = 0;
// TODO: This is a bit premature, what about a nice web-page saying the device will reset???
print_string("CRC16: "); print_short(crc_value); write_char('\n');
if (crc_value == 0xb001) {
print_string("Checksum OK.");
} else {
print_string("Checksum incorrect!");
}
print_string("Upload to flash done, will reset!\n");
reset_chip();
if (bptr >= uip_len)
@@ -231,6 +240,7 @@ uint8_t stream_upload(uint16_t bptr)
return 1;
}
if (p[bptr] == boundary[bindex]) {
crc16(p + bptr);
bptr++;
bindex++;
} else {
@@ -239,6 +249,7 @@ uint8_t stream_upload(uint16_t bptr)
write_len += bindex;
bindex = 0;
}
crc16(p + bptr);
flash_buf[write_len++] = p[bptr++];
if (write_len >= FLASHMEM_PAGE_SIZE) {
print_string("len: "); print_short(write_len); write_char(' ');
@@ -313,6 +324,7 @@ void handle_post(void)
p += 4; // Skip \r\n\r\n sequence at end of preamble of part
uptr = FIRMWARE_UPLOAD_START;
crc_value = 0;
bindex = 0;
write_len = 0;
stream_upload(p - uip_appdata);