c

bool make_string(pb_ostream_t *stream, const pb_field_t *field, void * const *arg){
  Serial.print("encoding string ");
  Serial.println((char* const) arg);
  char* const str = (char* const) arg;
  if (!pb_encode_tag_for_field(stream, field))
    return false;

  return pb_encode_string(stream, (uint8_t*)str, strlen(str));
}