ATTINY861A and seven segment based temperature monitor

tiny-temp-monitor.ino

/* Tiny Temperature Monitor
 * ATTINY861A and sevensegment based temperature monitor
 * https://www.bhoite.com/sculptures/tiny-temp-monitor/

Display module: LTC-2723P COMMON CATHODE
            ATTINY861A
01  DIGIT1  7
02  C,L3    5
03  DP      4
04  NC      
05  E       3
06  D       2
07  G       1
08  DIGIT4  0
09  NC      
10  NC      
11  DIGIT3  9
12  DIGIT L1,L2,L3  11
13  A,L1    12
14  DIGIT2  13
15  B,L2    6
16  F       14
 
 */
#include "SevSeg.h"
#include <TinyBME280.h>
#include <Wire.h>
//#include <TinyWireM.h>
//#include <USI_TWI_Master.h>
#include <avr/power.h> 
SevSeg sevseg; //Instantiate a seven segment controller object

unsigned long previousMillis = 0;
char dataF[10];
char dataC[10];
int8_t DISPLAY_STATE = 0;
int8_t COUNTER,ANI_COUNTER = 0;
bool ANIMATE = 1;
bool CHILL = 0;
/* Animation Data - HGFEDCBA Map */
const uint8_t ANIMATION1[16][4] = {
  { 0x01, 0x00, 0x00, 0x00 },  // Frame 0
  { 0x00, 0x01, 0x00, 0x00 },  // Frame 1
  { 0x00, 0x02, 0x00, 0x00 },  // Frame 2
  { 0x00, 0x00, 0x10, 0x00 },  // Frame 3
  { 0x00, 0x00, 0x08, 0x00 },  // Frame 4
  { 0x00, 0x00, 0x00, 0x08 },  // Frame 5
  { 0x00, 0x00, 0x00, 0x04 },  // Frame 6
  { 0x00, 0x00, 0x00, 0x02 },  // Frame 7
  { 0x00, 0x00, 0x00, 0x01 },  // Frame 8
  { 0x00, 0x00, 0x01, 0x00 },  // Frame 9
  { 0x00, 0x00, 0x20, 0x00 },  // Frame 10
  { 0x00, 0x04, 0x00, 0x00 },  // Frame 11
  { 0x00, 0x08, 0x00, 0x00 },  // Frame 12
  { 0x08, 0x00, 0x00, 0x00 },  // Frame 13
  { 0x10, 0x00, 0x00, 0x00 },  // Frame 14
  { 0x20, 0x00, 0x00, 0x00 }   // Frame 15
};

/* Animation Data - HGFEDCBA Map */
const uint8_t ANIMATION2[6][4] = {
  { 0x10, 0x10, 0x10, 0x10 },  // Frame 0
  { 0x20, 0x20, 0x20, 0x20 },  // Frame 1
  { 0x01, 0x01, 0x01, 0x01 },  // Frame 2
  { 0x02, 0x02, 0x02, 0x02 },  // Frame 3
  { 0x04, 0x04, 0x04, 0x04 },  // Frame 4
  { 0x08, 0x08, 0x08, 0x08 }   // Frame 5
};


void setup() {
  clock_prescale_set(clock_div_1);

  Wire.begin();
  //TinyWireM.begin();
  BME280setup();
  
  byte numDigits = 5;
  byte digitPins[] = {7,13,9,0,11}; //ATTINY861A D1 D2 D3 D4 COLON
  byte segmentPins[] = {12,6,5,2,3,14,1,4};//ATTINY861A ABCDEFG DP
  bool resistorsOnSegments = true; // 'false' means resistors are on digit pins
  byte hardwareConfig = COMMON_CATHODE; // See README.md for options //MTRAS
  //byte hardwareConfig = COMMON_ANODE; // See README.md for options
  bool updateWithDelays = true; // Default 'false' is Recommended
  bool leadingZeros = false; // Use 'true' if you'd like to keep the leading zeros
  bool disableDecPoint = false; // Use 'true' if your decimal point doesn't exist or isn't connected
  
  sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments,
  updateWithDelays, leadingZeros, disableDecPoint);
  sevseg.setBrightness(200);
  delay(2000);
  //sevseg.setNumber(8888, 1);
}

void loop() {

  while(ANIMATE)
  {
    unsigned long currentMillis = millis();
    if (currentMillis - previousMillis >= 100)
    {
      previousMillis = currentMillis;
      sevseg.setSegments(ANIMATION1[COUNTER]);
      COUNTER++; 
      if (COUNTER == 16) 
      {
        COUNTER = 0;
        ANI_COUNTER++;
      }
      if(ANI_COUNTER == 3) 
      {
        ANIMATE = 0;
        previousMillis = millis()+4000;
      }
      sevseg.refreshDisplay(); // Must run repeatedly
    }
    sevseg.refreshDisplay();
  }
  unsigned long currentMillis = millis();
    if (currentMillis - previousMillis >= 2000)
    {
      previousMillis = currentMillis;
      //displayTemp();
      if(CHILL) sevseg.setChars("CHLL");
      else sevseg.setChars("CHLLM");
      CHILL = !CHILL;
    }
    sevseg.refreshDisplay();
  
}

void displayTemp(void)
{
  //int temperature = ((BME280temperature()/100)*1.8)+32;
  int tempC = BME280temperature();
  //int tempF = ((tempC/100)*1.8)+32;
  int tempCD = tempC-((tempC/100)*100);
  if (((tempC/100) <110) && ((tempC/100) > -20))
  {
    sprintf(dataC,"%d.%dC",tempC/100,tempCD/10);
    sevseg.setChars(dataC);
  }
  sevseg.refreshDisplay(); // Must run repeatedly
  
}

void animate(void)
{
//  for(int i=0;i<16;i++){
//    sevseg.setSegments(ANIMATION1[i]);
//    sevseg.refreshDisplay(); 
//    delay(200);
//  }
    for(int i=0;i<6;i++){
    sevseg.setSegments(ANIMATION2[i]);
    sevseg.refreshDisplay(); 
    delay(100);
  }
}

/// END ///