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da14581: verify crc after download

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This commit is contained in:
Matthias Ringwald 2017-03-30 21:19:53 +02:00
parent c240379e84
commit fcf75f5bf8
1 changed files with 16 additions and 2 deletions
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18
chipset/da14581/btstack_chipset_da14581.c
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@ -86,7 +86,7 @@ static void da14581_start(void){
} }
static void da14581_w4_stx(void){ static void da14581_w4_stx(void){
log_info("da14581_w4_stx: read %x", response_buffer[0]); log_debug("da14581_w4_stx: read %x", response_buffer[0]);
switch (response_buffer[0]){ switch (response_buffer[0]){
case STX: case STX:
log_info("da14581_w4_stx: send download command"); log_info("da14581_w4_stx: send download command");
@ -149,7 +149,21 @@ static void da14581_w4_fw_sent(void){
static void da14581_w4_crc(void){ static void da14581_w4_crc(void){
log_info("da14581_w4_crc: read %x\n", response_buffer[0]); log_info("da14581_w4_crc: read %x\n", response_buffer[0]);
// send final ack // calculate crc
int i;
uint8_t fcrc = CRC_INIT;
for (i = 0; i < fw_size; i++){
fcrc ^= fw_data[i];
}
// check crc
if (fcrc != response_buffer[0]){
log_error("da14581_w4_crc: got 0x%02x expected 0x%02x", response_buffer[0], fcrc);
download_complete(1);
return;
}
// everything's fine, send final ack
the_uart_driver->set_block_sent(&da14581_w4_final_ack_sent); the_uart_driver->set_block_sent(&da14581_w4_final_ack_sent);
the_uart_driver->send_block(&final_ack, sizeof(final_ack)); the_uart_driver->send_block(&final_ack, sizeof(final_ack));
} }