spotwelder.ino

#include<SPI.h>
#include <Tone.h>

Tone player;

void beep(){
  player.play(4000);
  delay(100);
  player.stop();
}

void setup() {  
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
  digitalWrite(10, HIGH);
  SPI.begin();
  SPI.setDataMode(SPI_MODE0);
  Serial.begin(9600);
  
  pinMode(7, INPUT);

  pinMode(6, OUTPUT);
  digitalWrite(6, LOW);
  
  player.begin(3);
  beep();
}

#define ZERO  0b01000010
#define ONE   0b11101110
#define TWO   0b00110010
#define THREE 0b00100110
#define FOUR  0b10001110
#define FIVE  0b00000111
#define SIX   0b00000011
#define SEVEN 0b01101110
#define EIGHT 0b00000010
#define NINE  0b00000110

uint8_t digits[] = {ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE};
void digit(uint8_t d, uint8_t b) {
  if(0 == d) {
    digitalWrite(9, LOW);
    digitalWrite(8, HIGH);
  } else {
    digitalWrite(8, LOW);
    digitalWrite(9, HIGH);
  }

  digitalWrite(10, LOW);
  SPI.transfer(digits[b]);
  digitalWrite(10, HIGH);
}

uint8_t i = 1;

uint8_t d1 = 0;
uint8_t d2 = 0;

uint32_t lastDigitFlip = 0;
uint8_t d = 0;

void loop2() {
  digit(0, i);
  i = i << 1;
  if(i == 0) i = 1;
  delay(1000);
}

void delayZerocrossings(uint8_t zc) {
  for(int i = 0; i < zc; i++) {
    delay(10);
  }
}

void pulse(uint8_t times) {
  player.play(4000);
  digitalWrite(6, HIGH);

  delayZerocrossings(times);  
  
  digitalWrite(6, LOW);
  player.stop();
}

void outputPulseTrain(uint8_t length, uint8_t times) {
  for(uint8_t i = 0; i < times; i++) {
    pulse(length);
    delayZerocrossings(length);
  }
}

void loop() {
  if(millis() - lastDigitFlip > 10) {
    if(0 == d) {
      digit(0, map(analogRead(A0), 0, 1010, 1, 9));
      d = 1;
    } else {
      digit(1, map(analogRead(A1), 0, 1010, 1, 9));
      d = 0;
    }
    lastDigitFlip = millis();    
  }

  if(LOW == digitalRead(7)) {
    uint8_t length = map(analogRead(A1), 0, 1010, 1, 9);
    uint8_t times = map(analogRead(A0), 0, 1010, 1, 9);
    outputPulseTrain(length*5, times);
    delay(500);
    while(LOW == digitalRead(7)){
      //nothing
    }
    delay(500);
  }

}