// Introductory Stuff
#include <Keypad.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
const int ROW_NUM = 4; //four rows
const int COLUMN_NUM = 4; //four columns
const int red_button_pin = 39;
const int green_button_pin = 41;
const int blue_button_pin = 43;
const int color_switch_pin = 45;
const int enter_time_pin = 47;
const int test_strip_pin = 51;
const int expose_button_pin = 53;
const int LED_test_pin = 49;
char keys[ROW_NUM][COLUMN_NUM] = {
{'1','2','3',},
{'4','5','6', '.'},
{'7','8','9', '/'},
{'*','0','#',}
};
//LiquidCrystal_I2C lcd(0x27, 20, 4);
byte pin_rows[ROW_NUM] = {23, 25, 27, 29}; //connect to the row pinouts of the keypad
byte pin_column[COLUMN_NUM] = {31, 33, 35, 37}; //connect to the column pinouts of the keypad
Keypad keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
String inputString;
long inputInt;
int led_value_r;
int led_value_g;
int led_value_b;
int led_value_UV;
int old_led_r;
int old_led_g;
int old_led_b;
float base_value = 0;
int stop_1;
int stop_2;
float stop_fraction;
int stops;
float float_stops = 0;
int red_button_state = 0;
int green_button_state = 0;
int blue_button_state = 0;
int test_strip_state = 0;
int color_switch_state = 0;
int old_color_mode = 0;
int LED_test_state;
int enter_time_state = 0;
int expose_button_state = 0;
int mode = 0;
int color_mode = 1;
int data_mode = 0;
int test_strip_mode = 0;
int expose_mode = 0;
float total = 0;
float total_time[49];
float expose_time[49];
int time_set = 0;
int stops_var;
int stops_n;
int exposure_count = 0;
int stops_total;
int lights_on;
long timer;
float time_remaining;
void setup() {
Serial.begin(57600);
inputString.reserve(3); // maximum number of digit for a number is 10, change if needed
//lcd.backlight();
// lcd.init();
Wire.begin();
pinMode(red_button_pin, INPUT);
pinMode(green_button_pin, INPUT);
pinMode(blue_button_pin, INPUT);
pinMode(LED_test_pin, OUTPUT);
pinMode(color_switch_pin, INPUT);
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3D)) { // Address 0x3D for 128x64
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
// Show initial display buffer contents on the screen --
// the library initializes this with an Adafruit splash screen.
display.display();
delay(500); // Pause for 2 seconds
// Clear the buffer
display.clearDisplay();
// Draw a single pixel in white
display.drawRect(0, 0, 65, 11, SSD1306_WHITE);
display.drawRect(0, 34, 40, 11, WHITE);
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
display.drawRect(0, 44, 40, 20, WHITE);
display.drawRect(41, 44, 46, 20, WHITE);
display.drawRect(88, 44, 40, 20, WHITE);
// Show the display buffer on the screen. You MUST call display() after
// drawing commands to make them visible on screen!
display.display();
}
void loop() {
//get data from pins
int red_button_state;
red_button_state = digitalRead(red_button_pin);
int green_button_state;
green_button_state = digitalRead(green_button_pin);
int blue_button_state;
blue_button_state = digitalRead(blue_button_pin);
int color_switch_state;
color_switch_state = digitalRead(color_switch_pin);
int enter_time_state;
enter_time_state = digitalRead(enter_time_pin);
int test_strip_state;
test_strip_state = digitalRead(test_strip_pin);
int expose_button_state;
expose_button_state = digitalRead(expose_button_pin);
// set timer mode from switch
display.setCursor(2, 2);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print("F-STOP ");
display.drawRect(66, 0, 62, 11, WHITE);
display.drawRect(0, 12, 33, 11, WHITE);
display.drawRect(32, 12, 33, 11, WHITE);
display.drawRect(0, 22, 33, 11, WHITE);
display.drawRect(32, 22, 33, 11, WHITE);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.setCursor(2, 14);
display.print("BASE");
display.setCursor(34, 14);
display.print("STOP");
display.display();
if (enter_time_state == HIGH) {
data_mode = 1;
expose_mode = 1;
display.setCursor(68, 2);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print("STOPS ");
base_value = 0;
display.setCursor (2, 24);
display.print (base_value);
stop_1 = 0;
stop_2 = 0;
display.setCursor (34, 24);
display.print (stop_1);
display.print ("/");
display.print (stop_2);
display.print (" ");
stops = 0;
display.setTextSize (2);
display.setCursor (66, 12);
display.print (stops);
display.print (" ");
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
time_set = 0;
display.display();
}
if (test_strip_state == HIGH) {
data_mode = 1;
expose_mode = 2;
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.setCursor(68, 2);
display.print("STOPS ");
base_value = 0;
display.setCursor(2,2);
display.print("TEST STRIP");
display.setCursor (2, 24);
display.print (base_value);
stop_1 = 0;
stop_2 = 0;
display.setCursor (34, 24);
display.print (stop_1);
display.print ("/");
display.print (stop_2);
display.print (" ");
stops = 0;
display.setTextSize (2);
display.setCursor (66, 12);
display.print (stops);
display.print (" ");
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
time_set = 0;
display.display();
}
//input F-Stop mode data
while (data_mode == 1){
time_set = 0;
display.fillRect(66, 28, 28, 4, BLACK);
display.display();
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key != '#' & key != '*' & key != '/') {
inputString += key;
display.setCursor(2, 24);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(" ");
display.setCursor(2, 24);
display.print(inputString);
display.display();
}
if (key == '#') {
if (inputString.length() > 0) {
base_value = inputString.toFloat(); // YOU GOT A FLOAT NUMBER
inputString = "";
display.setCursor(2, 24);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(base_value);
display.display();
data_mode = 2;
}
}else if (key == '*') {
inputString = "";
data_mode = 0;
}
}
}
while (data_mode == 2){
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key != '/' & key != '*' & key !='#' & key != '.') {
inputString += key;
display.setCursor(34, 24);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(" ");
display.setCursor(34, 24);
display.print(inputString);
display.display();
}
if (key == '/' ) {
if (inputString.length() > 0) {
stop_1 = inputString.toInt();
inputString = "";
if (stop_1 > 1) {
stop_1 = 1;
}
display.setCursor(34, 24);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(stop_1);
display.print("/");
display.display();
data_mode = 3;
}
} else if (key == '*') {
inputString = "";
data_mode = 0;
}
}
}
while (data_mode == 3){
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key != '/' & key != '*' & key !='#' & key != '.') {
inputString += key;
display.setCursor(34, 24);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(stop_1);
display.print("/");
display.print(inputString);
display.display();
}
if (key == '#') {
if (inputString.length() > 0) {
stop_2 = inputString.toInt();
inputString = "";
display.setCursor(34, 24);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(stop_1);
display.print("/");
display.print(stop_2);
display.display();
data_mode = 4;
}
}else if (key == '*') {
inputString = "";
data_mode = 0;
}
}
}
while (data_mode == 4) {
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key != '/' & key != '*' & key !='#' & key != '.') {
inputString += key;
display.setCursor(66, 12);
display.setTextColor(WHITE,BLACK);
display.setTextSize(2);
display.print(" ");
display.setCursor(66, 12);
display.print(inputString);
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
display.display();
}
if (key == '#' && expose_mode == 1) {
if (inputString.length() > 0) {
if (stops > 48) {
stops = 48;
}
stops = inputString.toInt();
inputString = "";
display.setCursor(68, 2);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print("TOTAL ");
time_set = 1;
display.display();
data_mode = 0;
}
}else if (key == '*') {
inputString = "";
data_mode = 0;
}
if (key == '#' && expose_mode == 2) {
if (inputString.length() > 0) {
stops = inputString.toInt();
stops_total = stops;
if (stops > 48) {
stops = 48;
}
inputString = "";
display.setCursor(68, 2);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print("EXP / ");
time_set = 1;
display.display();
data_mode = 0;
}
}else if (key == '*') {
inputString = "";
data_mode = 0;
}
}
}
if (time_set == 1) {
display.fillRect(66, 28, 28, 4, WHITE);
display.display();
} else {
display.fillRect(66, 28, 28, 4, BLACK);
display.display();
}
if (time_set == 1 && expose_mode == 2) {
stop_fraction = (float) stop_1 / stop_2;
stops_var = stops;
for (data_mode == 0 && expose_mode ==2; stops_var > 0; stops_var--) {
total_time[stops_var] = base_value * pow (2, stop_fraction*(stops_var - 1));
}
total_time[0] = 0;
while (stops > 0) {
char key = keypad.getKey();
expose_button_state = digitalRead(expose_button_pin);
display.setCursor(92, 2);
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.print(abs(stops - (stops_total + 1)));
display.print("/");
display.print(stops_total);
stops_n = stops - 1;
expose_time[stops] = total_time[stops] - total_time[stops_n];
display.fillRect(66, 12, 63, 14, BLACK);
display.setTextSize (2);
display.setCursor (66, 12);
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
if (100 > expose_time[stops]) {
display.print(expose_time[stops], 2);
} else if (1000 > expose_time[stops] > 100) {
display.print(expose_time[stops], 1);
} else {
display.print (expose_time[stops], 0);
}
display.display();
if (expose_button_state == HIGH) {
lights_on = 1;
digitalWrite(LED_test_pin, HIGH);
timer = millis() + (expose_time[stops] * 1000);
while (timer > millis()) {
display.fillRect(66, 12, 63, 14, BLACK);
display.setTextSize (2);
display.setCursor (66, 12);
time_remaining = (float) (timer - millis()) / 1000;
if (time_remaining > 0) {
if (999.9 < time_remaining) {
display.print(time_remaining, 0);
}
if (999.9 > time_remaining && 99.99 < time_remaining) {
display.print(time_remaining, 1);
}
if (99.99 > time_remaining) {
display.print(time_remaining, 2);
}
}
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
display.display();
}
lights_on = 0;
digitalWrite(LED_test_pin, LOW);
stops = stops - 1;
}
if (key == '*') {
inputString = "";
stops = 0;
}
}
display.setCursor(68, 2);
display.setTextColor(WHITE, BLACK);
display.setTextSize(1);
display.print("TEST DONE");
time_set = 0;
}
if (time_set == 1 && expose_mode == 1) {
stop_fraction = (float) stop_1 / stop_2;
total = base_value * pow (2, stop_fraction*(stops - 1));
display.fillRect(66, 12, 63, 14, BLACK);
display.setTextSize (2);
display.setCursor (66, 12);
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
if (100 > total) {
display.print(total, 2);
} else if (1000 > total > 100) {
display.print(total, 1);
} else {
display.print (total, 0);
}
display.display();
if (expose_button_state == HIGH) {
digitalWrite(LED_test_pin, HIGH);
timer = millis() + (total * 1000);
while (timer > millis()) {
display.fillRect(66, 12, 63, 14, BLACK);
display.setTextSize (2);
display.setCursor (66, 12);
time_remaining = (float) (timer - millis())/1000;
if (time_remaining > 0) {
if (999.9 < time_remaining) {
display.print(time_remaining, 0);
}
if (999.9 > time_remaining && 99.99 < time_remaining) {
display.print(time_remaining, 1);
}
if (99.99 > time_remaining) {
display.print(time_remaining, 2);
}
}
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
display.display();
}
lights_on = 0;
digitalWrite(LED_test_pin, LOW);
display.fillRect(66, 12, 63, 14, BLACK);
display.setTextSize (2);
display.setCursor (66, 12);
if (100 > total) {
display.print(total, 2);
} else if (1000 > total > 100) {
display.print(total, 1);
} else {
display.print(total, 0);
}
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
}
}
// set color mode from switch
if (color_switch_state == HIGH){
color_mode = 1;
if (color_mode == old_color_mode) {
display.clearDisplay();
display.drawRect(0, 0, 65, 11, SSD1306_WHITE);
display.drawRect(0, 34, 40, 11, WHITE);
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
display.drawRect(0, 44, 40, 20, WHITE);
display.drawRect(41, 44, 46, 20, WHITE);
display.drawRect(88, 44, 40, 20, WHITE);
}
old_color_mode = 2;
} else if (color_switch_state == LOW) {
color_mode = 2;
if (color_mode == old_color_mode) {
display.clearDisplay();
display.drawRect(0, 0, 65, 11, SSD1306_WHITE);
display.drawRect(0, 34, 40, 11, WHITE);
display.drawRect(41, 34, 46, 11, WHITE);
display.drawRect(88, 34, 40, 11, WHITE);
display.drawRect(0, 44, 40, 20, WHITE);
display.drawRect(41, 44, 46, 20, WHITE);
display.drawRect(88, 44, 40, 20, WHITE);
}
old_color_mode = 1;
}
// set color values from keypad and color buttons
if (color_mode == 1) {
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.setCursor (2, 36);
display.print ("RED");
display.setCursor (43, 36);
display.print ("GREEN");
display.setCursor (90, 36);
display.print ("BLUE");
led_value_UV = 0;
display.setTextSize(2);
display.setCursor (2, 47);
display.print (led_value_r);
display.setTextSize(1);
display.setTextSize(2);
display.setCursor (43, 47);
display.print (led_value_g);
display.setTextSize(1);
display.setTextSize(2);
display.setCursor (90, 47);
display.print (led_value_b);
display.setTextSize(1);
if (red_button_state == HIGH) {
mode = 1;
}
if (green_button_state == HIGH) {
mode = 2;
}
if (blue_button_state == HIGH) {
mode = 3;
}
if (mode == 0) {
display.fillRect(96, 28, 28, 4, WHITE);
display.display();
} else {
display.fillRect(96, 28, 28, 4, BLACK);
display.display();
}
while (mode == 1) {
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key >= '0' && key <= '9') { // only act on numeric keys
inputString += key; // append new character to input string
if (inputString.length() <= 3) {
display.setCursor(2, 47);
display.setTextColor(WHITE,BLACK);
display.setTextSize(2);
display.print(" ");
display.setCursor(2, 47);
display.print(inputString);
display.display();
}
} else if (key == '#') {
if (inputString.length() > 0) {
led_value_r = inputString.toInt(); // YOU GOT AN INTEGER NUMBER
inputString = ""; // clear input
mode = 0;
}
} else if (key == '*') {
inputString = ""; // clear input
mode = 0;
}
}
if (led_value_r > 255) {
led_value_r = 255;
} if (led_value_r < 0) {
led_value_r = 0;
}
if (led_value_r != old_led_r) {
display.setTextSize(2);
display.setCursor (2, 47);
display.print (" ");
}
display.setTextSize(2);
display.setCursor (2, 47);
display.print (led_value_r);
display.setTextSize(1);
old_led_r = led_value_r;
}
while (mode == 2) {
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key >= '0' && key <= '9') { // only act on numeric keys
inputString += key; // append new character to input string
if (inputString.length() <= 3) {
display.setCursor(43, 47);
display.setTextColor(WHITE,BLACK);
display.setTextSize(2);
display.print(" ");
display.setCursor(43, 47);
display.print(inputString);
display.display();
}
} else if (key == '#') {
if (inputString.length() > 0) {
led_value_g = inputString.toInt(); // YOU GOT AN INTEGER NUMBER
inputString = "";
mode = 0; // clear input
}
} else if (key == '*') {
inputString = "";
mode = 0; // clear input
}
}
if (led_value_g > 255) {
led_value_g = 255;
} if (led_value_g < 0) {
led_value_g = 0;
}
if (led_value_g != old_led_g) {
display.setTextSize(2);
display.setCursor (43, 47);
display.print (" ");
}
display.setTextSize(2);
display.setCursor (43, 47);
display.print (led_value_g);
display.setTextSize(1);
old_led_g = led_value_g;
}
while (mode == 3) {
char key = keypad.getKey();
if (key) {
Serial.println(key);
if (key >= '0' && key <= '9') { // only act on numeric keys
inputString += key; // append new character to input string
if (inputString.length() <= 3) {
display.setCursor(90, 47);
display.setTextColor(WHITE,BLACK);
display.setTextSize(2);
display.print(" ");
display.setCursor(90, 47);
display.print(inputString);
display.display();
}
} else if (key == '#') {
if (inputString.length() > 0) {
led_value_b = inputString.toInt(); // YOU GOT AN INTEGER NUMBER
inputString = ""; // clear input
mode = 0;
}
} else if (key == '*') {
inputString = ""; // clear input
mode = 0;
}
}
if (led_value_b > 255) {
led_value_b = 255;
}
if (led_value_b < 0) {
led_value_b = 0;
}
if (led_value_b != old_led_b) {
display.setTextSize(2);
display.setCursor (90, 47);
display.print (" ");
}
display.setTextSize(2);
display.setCursor (90, 47);
display.print (led_value_b);
display.setTextSize(1);
old_led_b = led_value_b;
}
} else if (color_mode == 2){
display.setTextColor(WHITE,BLACK);
display.setTextSize(1);
display.setCursor (2, 36);
display.print (" ");
display.setCursor (43, 36);
display.print (" ");
display.setCursor (90, 36);
display.print (" ");
led_value_r = 0;
led_value_g = 0;
led_value_b = 0;
led_value_UV = 255;
display.setTextSize(2);
display.setCursor (2, 47);
display.print ("UV ");
display.setCursor (43, 47);
display.print ("UV ");
display.setCursor (90, 47);
display.print ("UV ");
display.setTextSize(1);
}
}