36 树莓派串口通信

ls /dev/tty*

 
void setup()
{
   Serial.begin(9600); //打开串口
}
 
void loop()
{

  Serial.println("Hello Raspberry,I am Arduino.");
  delay(1000);
   if ( Serial.available())
     {
      if(‘s‘ == Serial.read())
        Serial.println("Hello Raspberry,I am Arduino.");
     }
    
}

# -*- coding: utf-8 -*
import serial
import time
ser = serial.Serial(‘/dev/ttyUSB0‘, 9600)
if ser.isOpen == False:
    ser.open()                # 打开串口
ser.write(b"Raspberry pi is ready")
try:
    while True:
        size = ser.inWaiting()               # 获得缓冲区字符
        if size != 0:
            response = ser.read(size)        # 读取内容并显示
            print(response)        
            ser.flushInput()                 # 清空接收缓存区
            time.sleep(0.1)                  # 软件延时
except KeyboardInterrupt:
    ser.close()