RS485/RS232

• RS485: Half Duplex, device name: /dev/ttyTHS2

  • Before Send Data: echo 1 > /sys/class/leds/RS485_H_SEND_L_RECV/brightness
  • Before Receive Data: echo 0 > /sys/class/leds/RS485_H_SEND_L_RECV/brightness

• RS232: Full Duplex, device name: /dev/ttyTHS1