Arduino基础
最后发布时间:2021-01-24 12:24:55
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串口通信
int i = 0;
// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(LED_BUILTIN, OUTPUT);
Serial.begin(9600);
}
// the loop function runs over and over again forever
void loop() {
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
delay(500); // wait for a second
//Serial.println(i++);
if(Serial.available()!=0){
Serial.println(Serial.read());
}
}
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sudo busybox microcom -s 9600 /dev/ttyUSB0
-s 波特率
-t 超时退出时间 ，不加-t就是一直等待接收
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echo “123456” > /dev/ttyS1
