初始化提交

arduino-cli/libraries/M5Core2-master/examples/Module/PLUS/PLUS.ino

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+/*
+*******************************************************************************
+* Copyright (c) 2021 by M5Stack
+*                  Equipped with M5Core2 sample source code
+*                          配套  M5Core2 示例源代码
+* Visit the website for more information: https://docs.m5stack.com/en/module/plus
+* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/module/plus
+*
+* describe: PLUS.
+* date: 2021/9/2
+*******************************************************************************
+  This exmpale can display the encoder gear reading of the PLUS Module and the state of the keys.
+  本例可以显示PLUS模块的编码器齿轮读数和按键状态。
+*/
+#include <Arduino.h>
+#include <M5Core2.h>
+
+#define IrPin 33  //--------------------------------------------------------------------
+#define PLUS_ADDR 0x62
+
+int32_t number = 0;
+uint8_t press = 0;
+
+
+void setup() {
+    M5.begin(true,true,true,false,kMBusModeOutput);
+/*   kMBusModeOutput,powered by USB or Battery
+  kMBusModeInput,powered by outside input need to fill in this Otherwise M5Core2 will not work properly
+  由外部供电时此项必填,否则M5Core2将无法正常工作 */
+
+    M5.Lcd.setTextFont(6);
+    M5.Lcd.clear(BLACK);
+    M5.Lcd.setTextColor(ORANGE, BLACK);
+    Wire1.begin(21,22);
+    ledcSetup(1, 38000, 10);
+    ledcAttachPin(IrPin, 1);
+}
+
+void plus_encode() {
+    Wire1.requestFrom(PLUS_ADDR, 2);
+    while(Wire1.available()) {
+        int8_t encode = Wire1.read();
+        uint8_t press_n = Wire1.read();
+        number += encode;
+        if(press_n == 0xff) {
+            press = 0;
+        }
+        else {
+            press = 1;
+        }
+    }
+}
+
+void loop() {
+    char data[20];
+
+    plus_encode();
+    ledcWrite(1, ledcRead(1) ? 0 : 512);
+    sprintf(data, "%d  %d        ", number, press);
+    M5.Lcd.setCursor(100, 100);
+    M5.Lcd.print(data);
+    vTaskDelay(200);
+}