#include "funcs.h"

void setup()
{
  //Initiate GPIO
  pinMode(B1, INPUT_PULLUP);
  pinMode(B2, INPUT_PULLUP);
  pinMode(B3, INPUT_PULLUP);
  pinMode(SIGNAL, INPUT);
  pinMode(SDCS, OUTPUT);

  //Initite Serial Bus for Debugging 
  SerialInit();

  //Initiate Display
  DisplayInit();

  //Initiate SD Card for Logging
  SDInit();

  //Check if cailbration data is active
  CalInit();

}

void loop()
{

}

sketch.ino

diagram.json

# Wokwi Library List
# See https://docs.wokwi.com/guides/libraries

TM1637
SD


libraries.txt

#include <Arduino.h>
#include <TM1637Display.h>
#include <SD.h>
#include <SPI.h>
#include <EEPROM.h>

// Physical Pins
#define CLK A5
#define DIO A4
#define B1 3
#define B2 4
#define B3 5
#define SIGNAL A2
#define SDCS 10

//Char Constnts
uint8_t cData[] = { 0xff, 0xff, 0xff, 0xff };
uint8_t cBlank[] = { 0x00, 0x00, 0x00, 0x00 };
uint8_t cCALZERO[] = { 0x39, 0x77, 0x38, 0x3F };
uint8_t cCALONE[] = { 0x39, 0x77, 0x38, 0x30 };
uint8_t cRESET[] = { 0x33, 0x6D, 0x79, 0x78 };
uint8_t cINIT[] = { 0x30, 0x54, 0x30, 0x78 };

//Testing
#define TEST_DELAY   2000

void SerialInit()
{
  Serial.begin(9600);
  Serial.print("Flow Totaliser V0.1a | Designed by Lachlan Forbes | ");
  Serial.print("Program Time:");
  Serial.print(millis());
  Serial.print(" | ");
  return;
}

void DisplayInit()
{
  TM1637Display display(CLK, DIO);
  Serial.println("Display has succeeded in intialising");

  //Set Brightness
  display.setBrightness(0x0f);
  
  //All segments on
  display.setSegments(cData);
  delay(500);
  display.clear();
  display.setSegments(cINIT);
  Serial.print(" | ");
  return;
}

void SDInit()
{
  if (SD.begin())
  {
    Serial.println("SD card has succeeded in initialising");
  }
  else
  {
    Serial.println("SD card has failed to initialise");
  }
}

void CalInit()
{
  //Check if calibration data exists


}