mirror of
https://github.com/m5stack/M5AtomU.git
synced 2026-05-20 10:38:52 -07:00
Sean Kwok
37 lines
1.3 KiB
Arduino
37 lines
1.3 KiB
Arduino
/*
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*******************************************************************************
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* Copyright (c) 2021 by M5Stack
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* Equipped with Atom-Lite/Matrix sample source code
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* 配套 Atom-Lite/Matrix 示例源代码
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* Visit the website for more information：https://docs.m5stack.com/en/products
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* 获取更多资料请访问：https://docs.m5stack.com/zh_CN/products
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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 <M5Atom.h>
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void setup() {
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M5.begin(); // Init M5Atom. 初始化 M5Atom
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// Serial2.begin(unsigned long baud, uint32_t config, int8_t rxPin, int8_t
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// txPin, bool invert)
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Serial2.begin(115200, SERIAL_8N1, 16,
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17); // 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
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.available()) { // If the serial port reads data. 如果串口读到数据
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int ch = Serial.read(); // Copy the data read from the serial port to
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// 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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}
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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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}
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}
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