-
Notifications
You must be signed in to change notification settings - Fork 42
/
5.2.4-Serial2Serial2.ino
59 lines (55 loc) · 1.38 KB
/
5.2.4-Serial2Serial2.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
/*
Arduino UNO端程序
串口使用情况:
Serial ------ computer
softSerial ------ Mega Serial1
*/
#include <SoftwareSerial.h>
//新建一个softSerial对象,RX:10,TX:11
SoftwareSerial softSerial(10, 11);
void setup()
{
//初始化串口通信
Serial.begin(9600);
//初始化软串口通信
softSerial.begin(9600);
// 监听软串口通信
softSerial.listen();
}
// 两个字符串分别用于存储AB两端传输来的数据
String device_B_String = "";
String device_A_String = "";
void loop()
{
// 读取从计算机传入的数据,并通过softSerial发送给设备B
if (Serial.available() > 0)
{
if (Serial.peek() != '\n')
{
device_B_String += (char)Serial.read();
}
else
{
Serial.read();
Serial.print("you said: ");
Serial.println(device_B_String);
softSerial.println(device_B_String);
device_B_String = "";
}
}
//读取从设备A传入的数据,并在串口监视器中显示
if (softSerial.available() > 0)
{
if (softSerial.peek() != '\n')
{
device_A_String += (char)softSerial.read();
}
else
{
softSerial.read();
Serial.print("device A said: ");
Serial.println(device_A_String);
device_A_String = "";
}
}
}