ESP32_OSC_IMU/lib/M5Stack/examples/Modules/AC-SOCKET/AC-SOCKET.ino

/*
    Description:Click button B to turn on the power. Click button A to turn off the power.
*/
#include <Arduino.h>
#include <M5Stack.h>
#include "protocol.h"
#include "modbus.h"
volatile uint32_t tim = 0;

uint32_t time_now = 0;
uint8_t ucTestFlag = 0;
bool ubCoilState = false;

void setup() {
  M5.begin(true, false, true, false);
  M5.Power.begin();
  mb_init(0xac, 9600, &tim);
  Serial1.begin(9600, SERIAL_8N1, 16, 17);
  time_now = millis();
  // put your setup code here, to run once:
}


void loop() {
  M5.update();
  
  if(millis() - time_now > 60000UL) {
    time_now = millis();
    if(ucTestFlag) {
      if(ubCoilState) {
        char data_str[] = {0xAA, 5, 0x00, 0x00, 0x00, 0x00};
        mb_send_frame((uint8_t *)data_str, 6);
      } else {
        char data_str[] = {0xAA, 5, 0x00, 0x00, 0xff, 0x00};
        mb_send_frame((uint8_t *)data_str, 6);
      }
      ubCoilState = 1 - ubCoilState;
    }
  }

  if(M5.BtnA.wasPressed()) {
    char data_str[] = {0xAA, 5, 0x00, 0x00, 0x00, 0x00};
    mb_send_frame((uint8_t *)data_str, 6);
  }

  if(M5.BtnB.wasPressed()) {
    char data_str[] = {0xAA, 5, 0x00, 0x00, 0xff, 0x00};
    mb_send_frame((uint8_t *)data_str, 6);
  }

  
  if(M5.BtnC.wasPressed()) {
    ucTestFlag = 1 - ucTestFlag;
  }

  vTaskDelay(pdMS_TO_TICKS(10));
  
  // while(Serial1.available()) {
  //   protocol_rec_put(Serial1.read());
  //   micros();
  // }
  // put your main code here, to run repeatedly:
}

void mb_send_one_byte(uint8_t data) {
  Serial1.write(data);
}

void protocol_callback(CmdData cmd) {
  Serial.printf("got ... \r\n");
}