 #define _receivePin 8
 static int _bitDelay;
 static char _receive_buffer;
-static uint8_t _receive_buffer_index;
+static byte _receive_buffer_index;
 
 ISR (PCINT0_vect) {
     char i, d = 0;

}

static byte inChar () {
    uint8_t d;
    if (! _receive_buffer_index)
        return -1;
    d = _receive_buffer; // grab first and only byte

            }
            printOneChar(rf12_hdr & RF12_HDR_DST ? '>' : '<');
            printOneChar('@' + (rf12_hdr & RF12_HDR_MASK));
            displayASCII((const byte*) rf12_data, n);
        }

        if (rf12_crc == 0) {
