mirror of
https://github.com/m5stack/M5Stack.git
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37 lines
1.1 KiB
Arduino
37 lines
1.1 KiB
Arduino
/*
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* SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
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*
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* SPDX-License-Identifier: MIT
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*/
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/*
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* @Hardwares: M5Core + Unit CardKB
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* @Platform Version: Arduino M5Stack Board Manager v2.1.3
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* @Dependent Library:
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* M5Stack@^0.4.6: https://github.com/m5stack/M5Stack
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*/
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#include <M5Stack.h>
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#define CARDKB_ADDR (0x5F) // Define the I2C address of CardKB. 定义CardKB的I2C地址
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void setup()
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{
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M5.begin(); // Init M5Stack. 初始化M5Stack
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M5.Power.begin(); // Init power 初始化电源模块
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M5.lcd.setTextSize(2); // Set the text size to 2. 设置文字大小为2
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M5.Lcd.printf("CardKB Test\n");
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M5.Lcd.printf(">>");
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}
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void loop()
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{
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Wire.requestFrom(CARDKB_ADDR, 1); // Request 1 byte from the slave device. 向从设备请求1字节
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while (Wire.available()) // If received data is detected. 如果检测到收到数据
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{
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char c = Wire.read(); // Store the received data. 将接收到的数据存储
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if (c != 0) {
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M5.Lcd.printf("%c", c);
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Serial.println(c, HEX);
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}
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}
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}
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