mirror of
https://github.com/m5stack/M5Core2.git
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Tinyu
39 lines
1.4 KiB
Arduino
39 lines
1.4 KiB
Arduino
/*
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*******************************************************************************
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* Copyright (c) 2021 by M5Stack
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* Equipped with M5Core2 sample source code
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* 配套 M5Core2 示例源代码
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* Visit for more information: https://docs.m5stack.com/en/core/core2
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* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/core2
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*
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* Describe: MultSerial. 多串口
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* Date: 2021/8/5
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******************************************************************************
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*/
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#include <M5Core2.h>
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void setup() {
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M5.begin(); //Init M5Core2. 初始化 M5Core2
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// Serial2.begin(unsigned long baud, uint32_t config, int8_t rxPin, int8_t txPin, bool invert)
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Serial2.begin(115200, SERIAL_8N1, 13, 14); //Init serial port 2. 初始化串口2
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}
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void loop() {
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if (Serial.available()) { //If the serial port reads data. 如果串口读到数据
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int ch =
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Serial
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.read(); // Copy the data read from the serial port to the CH. 把串口读取到的数据复制给ch
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Serial2.write(
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ch); //Serial port 2 Outputs the CH content. 串口2输出ch的内容
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M5.Lcd.printf(
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"Serial:%d\n",
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ch); //The screen prints the data received by serial port 2. 屏幕打印串口2收到的数据
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}
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if (Serial2.available()) {
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int ch = Serial2.read();
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Serial.write(ch);
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M5.Lcd.printf("Serial2:%d\n", ch);
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}
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}
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