Nick: anonymous
E-mail: none
Board: unknown
Contents: 
    case S_CMD_O_SPIOP:
      /* get slen */
      slen = get24_le();
      /* get rlen */
      rlen = get24_le();
      if(slen > 0xffffff) {
        digitalWrite(GREEN_LED_PIN, HIGH);
      }

      digitalWrite(ORANGE_LED_PIN, HIGH);

      select_chip();      
      /* SPI is configured in little endian */
      while (slen--){
        c = getchar_uart();
        readwrite_spi(c);
      }
      putchar_uart(S_ACK);
      
      digitalWrite(ORANGE_LED_PIN, LOW);      
      
      while (rlen--){
        putchar_uart(readwrite_spi(0x0));
      }
      unselect_chip();

      digitalWrite(GREEN_LED_PIN, LOW);
      
      break;