Files
2023-08-19 16:48:24 +08:00

41 lines
1.5 KiB
Arduino

/*
*******************************************************************************
* Copyright (c) 2023 by M5Stack
* Equipped with M5StickC sample source code
* 配套 M5StickC 示例源代码
* Visit for more information: https://docs.m5stack.com/en/core/m5stickc
* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/m5stickc
*
* Product: CardKB. 键盘
* Date: 2021/8/11
*******************************************************************************
Please connect to Port ,Read the characters entered by CardKB Unit and display
them on the screen. 请连接端口,读取CardKB Unit输入的字符并显示在屏幕上。
*/
#include <M5StickC.h>
#define CARDKB_ADDR \
0x5F // Define the I2C address of CardKB. 定义CardKB的I2C地址
void setup() {
M5.begin(); // Init M5StickC. 初始化 M5StickC
M5.Lcd.setRotation(3); // Rotate the screen. 旋转屏幕
M5.Lcd.printf("IIC Address: 0x5F\n");
M5.Lcd.printf(">>");
Wire.begin(32, 33); // Initialize pin 32,33. 初始化32,33引脚
}
void loop() {
Wire.requestFrom(
CARDKB_ADDR,
1); // Request 1 byte from the slave device. 向从设备请求1字节
while (
Wire.available()) // If received data is detected. 如果检测到收到数据
{
char c = Wire.read(); // Store the received data. 将接收到的数据存储
if (c != 0) {
M5.Lcd.printf("%c", c);
}
}
}