FRAME_START
buf[0] = FRAME_START;
buf[0] = FRAME_START;
char buf[7] = { FRAME_START, 5, COMMAND_RESOLUTION,
char buf[9] = { FRAME_START, 7, COMMAND_SCANFREQ,
char buf[7] = { FRAME_START, 5, COMMAND_SETCONFIG,
if (buf[PAYLOAD_HEADER] != FRAME_START) {
if (header_marker == FRAME_START) {