GenStart/INA219/INA219.ino

/*!
 *@file getVoltageCurrentPower.ino
 *@brief Get the current, voltage, and power of electronic devices.
 *@copyright   Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
 *@license     The MIT license (MIT)
 *@author [fengli](li.feng@dfrobot.com)
 *@version  V1.0
 *@date  2022-3-1
 *@url https://github.com/DFRobot/DFRobot_INA219
*/

#include <Wire.h>
#include "DFRobot_INA219.h"
#include <ESP8266WiFi.h>
#include <ArduinoMqttClient.h>
#include <ArduinoJson.h>

#include "secrets.h"

/**
 * @fn DFRobot_INA219_IIC
 * @brief pWire I2C controller pointer
 * @param i2caddr  I2C address
 * @n INA219_I2C_ADDRESS1  0x40   A0 = 0  A1 = 0
 * @n INA219_I2C_ADDRESS2  0x41   A0 = 1  A1 = 0
 * @n INA219_I2C_ADDRESS3  0x44   A0 = 0  A1 = 1
 * @n INA219_I2C_ADDRESS4  0x45   A0 = 1  A1 = 1   
  */
DFRobot_INA219_IIC     ina219(&Wire, INA219_I2C_ADDRESS1);

// Revise the following two paramters according to actual reading of the INA219 and the multimeter
// for linearly calibration
float ina219Reading_mA = 1000;
float extMeterReading_mA = 1000;

void setup(void) 
{
    Serial.begin(115200);
    //Open the serial port
    while(!Serial);
    
    Serial.println();
    //Initialize the sensor
    while(ina219.begin() != true) {
        Serial.println("INA219 begin faild");
        delay(2000);
    }
    //Linear calibration
    ina219.linearCalibrate(/*The measured current before calibration*/ina219Reading_mA, /*The current measured by other current testers*/extMeterReading_mA);
    Serial.println();

  pinMode(15, OUTPUT);
  digitalWrite(15, LOW);
  pinMode(12, OUTPUT);
  digitalWrite(12, LOW);
  pinMode(14, OUTPUT);
  digitalWrite(14, LOW);

  WiFi.begin(SECRET_SSID, SECRET_PASS);

  Serial.print("Connecting");
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.print(".");
  }
  Serial.println();

  Serial.print("Connected, IP address: ");
  Serial.println(WiFi.localIP());



    
}

void loop(void)
{
    Serial.print("BusVoltage:   ");
    Serial.print(ina219.getBusVoltage_V(), 2);
    Serial.println("V");


    delay(10000);
   
}