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bluetooth01.ino
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bluetooth01.ino
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#define AT 2
#define LED 13
#define ENA1 4
#define ENA2 5
#define ENB1 6
#define ENB2 7
bool isUp = true;
void setup()
{
pinMode(LED, OUTPUT);
pinMode(ENA1, OUTPUT);
pinMode(ENA2, OUTPUT);
pinMode(ENB1, OUTPUT);
pinMode(ENB2, OUTPUT);
pinMode(AT, OUTPUT);
digitalWrite(AT, HIGH);
Serial.begin(9600);//这里应该和你的模块通信波特率一致
delay(100);
Serial.println("AT");
delay(100);
Serial.println("AT+NAME=OPENJUMPER-Bluetooth");//命名模块名
delay(100);
Serial.println("AT+ROLE=1");//设置主从模式:0从机,1主机
delay(100);
Serial.println("AT+PSWD=12345");//设置配对密码,如1234
delay(100);
Serial.println("AT+UART=9600,0,0");//设置波特率9600,停止位1,校验位无
delay(100);
Serial.println("AT+RMAAD");//清空配对列表
digitalWrite(LED, LOW);
}
void loop()
{
// digitalWrite(LED, LOW);
// delay(500);
// val = "";
char val;
if (Serial.available() > 0) //判断串口缓冲器是否有数据装入
{
val = Serial.read(); //读取串口
if (val == 'u') { //判断输入的字符是否为a{
isUp = true;
digitalWrite(ENA1, HIGH);
digitalWrite(ENA2, LOW);
digitalWrite(ENB1, HIGH);
digitalWrite(ENB2, LOW);
} else if (val == 'l') {
if (isUp) {
digitalWrite(ENB1, LOW);
digitalWrite(ENB2, HIGH);
digitalWrite(ENA1, HIGH);
digitalWrite(ENA2, LOW);
// delay(100);
// digitalWrite(ENA1, LOW);
// digitalWrite(ENA2, LOW);
// digitalWrite(ENB1, LOW);
// digitalWrite(ENB2, LOW);
} else {
digitalWrite(ENA1, LOW);
digitalWrite(ENA2, HIGH);
digitalWrite(ENB1, HIGH);
digitalWrite(ENB2, LOW);
// delay(100);
// digitalWrite(ENA1, LOW);
// digitalWrite(ENA2, LOW);
// digitalWrite(ENB1, LOW);
// digitalWrite(ENB2, LOW);
}
} else if (val == 'r') {
if (isUp) {
digitalWrite(ENA1, LOW);
digitalWrite(ENA2, HIGH);
digitalWrite(ENB1, HIGH);
digitalWrite(ENB2, LOW);
// delay(100);
// digitalWrite(ENA1, LOW);
// digitalWrite(ENA2, LOW);
// digitalWrite(ENB1, LOW);
// digitalWrite(ENB2, LOW);
} else {
digitalWrite(ENA1, HIGH);
digitalWrite(ENA2, LOW);
digitalWrite(ENB1, LOW);
digitalWrite(ENB2, HIGH);
// delay(100);
// digitalWrite(ENA1, LOW);
// digitalWrite(ENA2, LOW);
// digitalWrite(ENB1, LOW);
// digitalWrite(ENB2, LOW);
}
} else if (val == 'd') {
isUp = false;
digitalWrite(ENA1, LOW);
digitalWrite(ENA2, HIGH);
digitalWrite(ENB1, LOW);
digitalWrite(ENB2, HIGH);
} else if (val == 's') {
isUp = false;
digitalWrite(ENA1, LOW);
digitalWrite(ENA2, LOW);
digitalWrite(ENB1, LOW);
digitalWrite(ENB2, LOW);
}
}
}