lcd.ino

#include <LCD5110_Basic.h>
#include <avr/pgmspace.h>

#define RST_PIN 25 /* Resets the flash duration */
#define INC_PIN 26 /* Increases it by 50 ms */
#define DEC_PIN 27 /* Decreases it by 50 ms */
#define SAF_PIN 28 /* Safety mechanism */
#define TRG_PIN 29 /* Triggers the flash */
#define FLS_PIN 13 /* The flash is connected to this pin */

#define SCR_RST 6
#define SCR_CE  7
#define SCR_DC  5
#define SCR_DIN 4
#define SCR_CLK 3

#define DEFAULT_FLASH_DURATION  500 /* 100 ms */
#define FLASH_DURATION_STEP     50

#define SAFETY_ENABLED  0xFF  /* Safety is enabled. Can't use the flash. */
#define SAFETY_DISABLED 0x00  /* Safety is disabled. SMILE! */

const uint8_t screen[] PROGMEM={
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0010 (16) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0020 (32) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0030 (48) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0040 (64) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0x82, 0xBA, 0xBA, 0x82, 0xBA, 0xBA, 0x82, 0xBA, 0xBA, 0x82,   // 0x0050 (80) pixels
0xFE, 0x38, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0060 (96) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0070 (112) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0080 (128) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0090 (144) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x00A0 (160) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x00B0 (176) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x00C0 (192) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x00D0 (208) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80,   // 0x00E0 (224) pixels
0x00, 0x00, 0x80, 0x00, 0x00, 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x80,   // 0x00F0 (240) pixels
0x00, 0x00, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0100 (256) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0110 (272) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   // 0x0120 (288) pixels
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x20,   // 0x0130 (304) pixels
0x20, 0x27, 0x28, 0x28, 0x27, 0x20, 0x2F, 0x21, 0x22, 0x2F, 0x20, 0x2F, 0x28, 0x28, 0x20, 0x28,   // 0x0140 (320) pixels
0x2F, 0x28, 0x20, 0x2F, 0x21, 0x22, 0x2F, 0x20, 0x2F, 0x2A, 0x28, 0x20, 0x20, 0x20, 0xE0, 0x00,   // 0x0150 (336) pixels
0x00, 0xFC, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,   // 0x0160 (352) pixels
0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,   // 0x0170 (368) pixels
0x84, 0x84, 0x84, 0x04, 0x84, 0x84, 0x04, 0x04, 0x04, 0x84, 0x84, 0x84, 0x04, 0x04, 0xFC, 0x00,   // 0x0180 (384) pixels
0x00, 0x00, 0xFD, 0x44, 0x54, 0x44, 0xFC, 0x44, 0x54, 0x44, 0xFC, 0x44, 0x54, 0x44, 0xFC, 0x44,   // 0x0190 (400) pixels
0x54, 0x44, 0xFC, 0x44, 0x54, 0x44, 0xFC, 0x44, 0x54, 0x44, 0xFC, 0x44, 0x54, 0x44, 0xFC, 0x44,   // 0x01A0 (416) pixels
0x54, 0x44, 0xFD, 0x00, 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,   // 0x01B0 (432) pixels
0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,   // 0x01C0 (448) pixels
0x40, 0x40, 0x40, 0x5F, 0x5F, 0x40, 0x5F, 0x5F, 0x40, 0x5F, 0x5F, 0x40, 0x53, 0x54, 0x5C, 0x5C,   // 0x01D0 (464) pixels
0x48, 0x40, 0x7F, 0x00, 0x00, 0x00, 0x7F, 0x44, 0x55, 0x44, 0x7F, 0x44, 0x55, 0x44, 0x7F, 0x44,   // 0x01E0 (480) pixels
0x55, 0x44, 0x7F, 0x44, 0x55, 0x44, 0x7F, 0x44, 0x55, 0x44, 0x7F, 0x44, 0x55, 0x44, 0x7F, 0x44,   // 0x01F0 (496) pixels
0x55, 0x44, 0x7F, 0x44, 0x55, 0x44, 0x7F, 0x00, 
};

extern uint8_t SmallFont[];

uint16_t flash_duration;
uint8_t safety_state;
LCD5110 scr(SCR_CLK, SCR_DIN, SCR_DC, SCR_RST, SCR_CE);

void setup(void)
{
  scr.InitLCD(60);
  scr.setFont(SmallFont);
  scr.drawBitmap(0, 0, screen, 84, 48);
  
  pinMode(RST_PIN, INPUT_PULLUP);
  pinMode(INC_PIN, INPUT_PULLUP);
  pinMode(DEC_PIN, INPUT_PULLUP);
  pinMode(SAF_PIN, INPUT_PULLUP);
  pinMode(TRG_PIN, INPUT_PULLUP);
  pinMode(FLS_PIN, OUTPUT);

  flash_duration = DEFAULT_FLASH_DURATION;
}

void loop(void)
{
  if (digitalRead(RST_PIN) == HIGH)
    flash_duration = DEFAULT_FLASH_DURATION;

    
  else if (digitalRead(INC_PIN) == HIGH)
    flash_duration += FLASH_DURATION_STEP;

    
  else if (digitalRead(DEC_PIN) == HIGH)
    flash_duration -= FLASH_DURATION_STEP;

    
  else if (digitalRead(SAF_PIN) == HIGH)
  {
    if (safety_state == SAFETY_ENABLED)
    {
      safety_state = SAFETY_DISABLED;
      scr.print(1, 1, "SAFETY OFF");
    }
    else
    {
      safety_state = SAFETY_ENABLED;
      scr.print(1, 1, "SAFETY ON ");
    }
  }

  
  else if (digitalRead(TRG_PIN) == HIGH)
  {
    digitalWrite(FLS_PIN, HIGH);
    delay(flash_duration);
    digitalWrite(FLS_PIN, LOW);
  }

  
  scr.printNumI(47, 1, flash_duration, 1);
  delay(750);
}