NORVI IIOT-AE02-V – Test Program

Introduction #

• This guide is intended to test the features and basic operation of the device, the NORVI IIOT-AE02-V (voltage model).

NORVI IIOT-AE02-V test program.

Table of Test Instructions

Flash the test code firmware before testing the device. Follow the instructions given in the Guide to Flashing the Test Code Firmware guide to flash the binary code.

Test Program #

#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_ADS1X15.h>
#include <SoftwareSerial.h>

#define ANALOG_PIN_0 32

#define I2C1_SDA 16
#define I2C1_SCL 17

#define INPUT1   18
#define INPUT2   39
#define INPUT3   34
#define INPUT4   35
#define INPUT5   19
#define INPUT6   21
#define INPUT7   22
#define INPUT8   23

#define OUTPUT1 26
#define OUTPUT2 27

#define RS485_RXD 3
#define RS485_FC 4

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

unsigned long previousMillis = 0;  
const long interval = 15000;      


Adafruit_ADS1115 ads1;
Adafruit_ADS1115 ads2;

SoftwareSerial *rs485Serial = nullptr; 

int analog_value = 0;
bool mode = true; 

int readSwitch() {
  analog_value = analogRead(ANALOG_PIN_0);
  return analog_value; //Read analog
}

void setup() {
  Serial.begin(9600);

  pinMode(RS485_FC, OUTPUT);
  digitalWrite(RS485_FC, HIGH);

  pinMode(OUTPUT1, OUTPUT);
  pinMode(OUTPUT2, OUTPUT);

  pinMode(INPUT1, INPUT);
  pinMode(INPUT2, INPUT);
  pinMode(INPUT3, INPUT);
  pinMode(INPUT4, INPUT);
  pinMode(INPUT5, INPUT);
  pinMode(INPUT6, INPUT);
  pinMode(INPUT7, INPUT);
  pinMode(INPUT8, INPUT);

  Wire.begin(I2C1_SDA, I2C1_SCL);

  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }
  display.display();

  delay(100);
  I2C_SCAN_1();

  if (!ads1.begin(0x48)) {
    Serial.println("Failed to initialize ADS 1.");
  }

  if (!ads2.begin(0x49)) {
    Serial.println("Failed to initialize ADS 2.");
  }

  adcAttachPin(ANALOG_PIN_0);
}

void loop() {
  if (Serial.available()) {
    char input = Serial.read();
    if (input == '2') {
      mode = true;  // Switch to first mode
      Serial2.begin(115200, SERIAL_8N1, RS485_RXD, -1); // Only RX is defined, TX is disabled
      if (rs485Serial) {
        delete rs485Serial; // Delete SoftwareSerial object if it exists
        rs485Serial = nullptr;
      }
    } else if (input == '1') {
      mode = false; // Switch to second mode
      rs485Serial = new SoftwareSerial(RS485_RXD, 1); // Define both RX and TX for the second code
      rs485Serial->begin(9600);
    }
  }

  if (mode) {
    firstCode();
  } else {
    secondCode();
  }
}

void firstCode() {
  int16_t adc0, adc1, adc2, adc3;

  Serial.println("");
  Serial.print(digitalRead(INPUT1)); Serial.print(digitalRead(INPUT2)); Serial.print(digitalRead(INPUT3)); Serial.println(digitalRead(INPUT4));
  Serial.print(digitalRead(INPUT5)); Serial.print(digitalRead(INPUT6)); Serial.print(digitalRead(INPUT7)); Serial.println(digitalRead(INPUT8));
  Serial.println("");
  
 unsigned long currentMillis = millis();  

  if (currentMillis - previousMillis >= interval) {
    
    previousMillis = currentMillis;  
    Serial.println("receiver mode test 'serial print '1'");  
  }
 
  Serial.println("");
  Serial.print("Push button  "); Serial.println(readSwitch());
  Serial.println("");

  adc0 = ads1.readADC_SingleEnded(0);
  adc1 = ads1.readADC_SingleEnded(1);
  adc2 = ads1.readADC_SingleEnded(2);
  adc3 = ads1.readADC_SingleEnded(3);

  Serial.println("-----------------------------------------------------------");
  Serial.print("AIN1: "); Serial.print(adc0); Serial.println("  ");
  Serial.print("AIN2: "); Serial.print(adc1); Serial.println("  ");
  Serial.print("AIN3: "); Serial.print(adc2); Serial.println("  ");
  Serial.print("AIN4: "); Serial.print(adc3); Serial.println("  ");

  adc0 = ads2.readADC_SingleEnded(0);
  adc1 = ads2.readADC_SingleEnded(1);
  adc2 = ads2.readADC_SingleEnded(2);
  adc3 = ads2.readADC_SingleEnded(3);

  Serial.println("-----------------------------------------------------------");
  Serial.print("AIN4: "); Serial.print(adc0); Serial.println("  ");
  Serial.print("AIN5: "); Serial.print(adc1); Serial.println("  ");
  Serial.print("AIN6: "); Serial.print(adc2); Serial.println("  ");
  Serial.print("AIN7: "); Serial.print(adc3); Serial.println("  ");

  digitalWrite(OUTPUT1, HIGH);
  digitalWrite(OUTPUT2, LOW);
  delay(200);
  digitalWrite(OUTPUT1, LOW);
  digitalWrite(OUTPUT2, HIGH);
  delay(200);

  digitalWrite(RS485_FC, HIGH); // Make FLOW CONTROL pin HIGH
  delay(500);
  Serial2.println(F("RS485 01 SUCCESS")); // Send RS485 SUCCESS serially
  delay(500);
 
}

void secondCode() {
  if (rs485Serial && rs485Serial->available()) {
    String rs485Data = rs485Serial->readString();
    Serial.println(rs485Data);

    display.clearDisplay();
    display.setTextSize(1);
    display.setTextColor(SSD1306_WHITE);
    display.setCursor(0, 0);
    display.print("RS485 Data:");
    display.setCursor(0, 10);
    display.print(rs485Data);
    display.display();
  }

  if (Serial.available()) {
    String userInput = Serial.readString();
    digitalWrite(RS485_FC, HIGH);
    rs485Serial->print(userInput);
    digitalWrite(RS485_FC, LOW);
    delay(100);
  }
}

void I2C_SCAN_1() {
  byte error, address;
  int deviceCount = 0;

  Serial.println("Scanning...");

  for (address = 1; address < 127; address++) {
    Wire.beginTransmission(address);
    error = Wire.endTransmission();

    if (error == 0) {
      Serial.print("I2C device found at address 0x");
      if (address < 16) {
        Serial.print("0");
      }
      Serial.print(address, HEX);
      Serial.println("  !");
      deviceCount++;
      delay(1);
    } else if (error == 4) {
      Serial.print("Unknown error at address 0x");
      if (address < 16) {
        Serial.print("0");
      }
      Serial.println(address, HEX);
    }
  }

  if (deviceCount == 0) {
    Serial.println("No I2C devices found in Wire 1\n");
  } else {
    Serial.println("Wire 1 Scanning complete\n");
  }

  delay(1000);
}