Handle bug in boot loader 1.1 by waiting 100ms

Reset currentPage when starting new update

src/oi_can.cpp

@@ -228,6 +228,9 @@ static void handleUpdate(twai_message_t *rxframe) {
         updstate = SEND_SIZE;
         DBG_OUTPUT_PORT.printf("Sending ID %" PRIu32 "\r\n", *(uint32_t*)tx_frame.data);
         twai_transmit(&tx_frame, pdMS_TO_TICKS(10));
+
+        if (rxframe->data[1] < 1) //boot loader with timing quirk, wait 100 ms
+          delay(100);
       }
       break;
     case SEND_SIZE:
@@ -317,14 +320,15 @@ static void handleUpdate(twai_message_t *rxframe) {
       // Do not exit this state
       break;
   }
-
 }
 
 int StartUpdate(String fileName) {
   updateFile = SPIFFS.open(fileName, "r");
   //Reset host processor
   setValueSdo(SDO_INDEX_COMMANDS, SDO_CMD_RESET, 1U);
   updstate = SEND_MAGIC;
+  currentPage = 0;
+  DBG_OUTPUT_PORT.println("Starting Update");
 
   return (updateFile.size() + PAGE_SIZE_BYTES - 1) / PAGE_SIZE_BYTES;
 }