Serial fix suggested by Mecanix

skot · Nov 8, 2024 · c5563bd · c5563bd
1 parent 08367a6
commit c5563bd
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/components/asic/serial.c b/components/asic/serial.c
@@ -51,14 +51,16 @@ void SERIAL_set_baud(int baud)
 
 int SERIAL_send(uint8_t *data, int len, bool debug)
 {
+    int written = uart_write_bytes(UART_NUM_1, (const char *)data, len);
+    uart_wait_tx_done(UART_NUM_1, portMAX_DELAY);
     if (debug)
     {
         printf("tx: ");
         prettyHex((unsigned char *)data, len);
         printf("\n");
     }
 
-    return uart_write_bytes(UART_NUM_1, (const char *)data, len);
+    return written;
 }
 
 /// @brief waits for a serial response from the device