#include <EEPROM.h>
#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);
#define WHITE 1
#define BLACK 0
//----------------------------------- Functions
void barrel(int bar);
void Buzzer();
void calibration();
void Color_Sensor();
void logo_display();
void cl_logo(int cl_logo_x, int cl_logo_y);
void ph_logo(int ph_logo_x, int ph_logo_y);
void o3_logo(int o3_logo_x, int o3_logo_y);
void Menu();
void ready_to_use();
//------------------------------------------------ Color Sensor
#define S0 4
#define S1 5
#define S2 2
#define S3 3
#define sensorOut 7
#define sensorLED 6
#define arrey_width 20
int number_of_samples=20;
int R_frequency[arrey_width];
int G_frequency[arrey_width];
int B_frequency[arrey_width];
int C_frequency[arrey_width];
// float red_ppm, green_ppm, blue_ppm, ppm;
int red_color=0, green_color=0, blue_color=0, clear_color=0;
// float g0, b0;
bool calib;
// float g_slope, b_slope;
#define green_eeprom_location 0
#define blue_eeprom_location 1
int status; //------ 1=Cl, 2=pH, 3=O3
#define status_eeprom_location 2
//------------------------------------------------ Buzzer
#define buzzer_pin A2
//------------------------------------------------ Keypad
const byte ROWS = 3; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
{'c','p','o'},
{'d','M','u'},
{' ','b','R'}
};
byte rowPins[ROWS] = {8, 9, 10}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {11, 12, 13}; //connect to the column pinouts of the keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
boolean power_on=true;
//------------------------------------------------ Bitmap
// ' oks_logo', 60x60px
const unsigned char epd_bitmap__oks_logo [] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x06, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x26, 0x00, 0x06, 0x40, 0x00, 0x00,
0x00, 0x00, 0xe6, 0x00, 0x06, 0x70, 0x00, 0x00, 0x00, 0x01, 0xe6, 0x00, 0x06, 0x78, 0x00, 0x00,
0x00, 0x07, 0xe6, 0x00, 0x06, 0x7e, 0x00, 0x00, 0x00, 0x0f, 0xe6, 0x00, 0x06, 0x67, 0x00, 0x00,
0x00, 0x1c, 0x66, 0x00, 0x06, 0x63, 0x80, 0x00, 0x00, 0x38, 0x66, 0x00, 0x06, 0x61, 0xc0, 0x00,
0x00, 0x70, 0x66, 0x00, 0x06, 0x60, 0xe0, 0x00, 0x00, 0xe0, 0x66, 0x00, 0x06, 0x60, 0x70, 0x00,
0x01, 0xc0, 0x66, 0x00, 0x06, 0x60, 0x38, 0x00, 0x03, 0x80, 0x66, 0x00, 0x06, 0x60, 0x1c, 0x00,
0x03, 0x00, 0x66, 0x00, 0x06, 0x60, 0x0c, 0x00, 0x07, 0x00, 0x66, 0x00, 0x06, 0x60, 0x06, 0x00,
0x0e, 0x00, 0x66, 0x00, 0x06, 0x60, 0x07, 0x00, 0x0c, 0x00, 0x66, 0x00, 0x06, 0x60, 0x03, 0x00,
0x1c, 0x00, 0x66, 0x00, 0x06, 0x60, 0x03, 0x80, 0x18, 0x00, 0x66, 0x00, 0x0c, 0x60, 0x00, 0x00,
0x18, 0x00, 0x66, 0x00, 0x18, 0x60, 0x00, 0x00, 0x30, 0x00, 0x66, 0x00, 0x30, 0x60, 0x00, 0x00,
0x30, 0x00, 0x66, 0x00, 0x60, 0x60, 0x00, 0x00, 0x30, 0x00, 0x66, 0x00, 0xc0, 0x60, 0x00, 0x00,
0x20, 0x00, 0x66, 0x01, 0x80, 0x60, 0x00, 0x00, 0x60, 0x00, 0x66, 0x03, 0x00, 0x60, 0x00, 0x00,
0x60, 0x00, 0x67, 0xfe, 0x00, 0x7f, 0xff, 0xe0, 0x60, 0x00, 0x67, 0xff, 0x00, 0x7f, 0xff, 0xe0,
0x60, 0x00, 0x66, 0x01, 0x80, 0x00, 0x00, 0x60, 0x60, 0x00, 0x66, 0x00, 0xc0, 0x00, 0x00, 0x60,
0x60, 0x00, 0x66, 0x00, 0x60, 0x00, 0x00, 0x60, 0x60, 0x00, 0x66, 0x00, 0x30, 0x00, 0x00, 0x60,
0x60, 0x00, 0x66, 0x00, 0x18, 0x00, 0x00, 0x60, 0x60, 0x00, 0x66, 0x00, 0x0c, 0x00, 0x00, 0x60,
0x60, 0x00, 0x66, 0x00, 0x06, 0x60, 0x00, 0x60, 0x20, 0x00, 0x66, 0x00, 0x06, 0x60, 0x00, 0xc0,
0x30, 0x00, 0x66, 0x00, 0x06, 0x60, 0x00, 0xc0, 0x30, 0x00, 0x66, 0x00, 0x06, 0x60, 0x00, 0xc0,
0x30, 0x00, 0x66, 0x00, 0x06, 0x60, 0x01, 0xc0, 0x18, 0x00, 0x66, 0x00, 0x06, 0x60, 0x01, 0x80,
0x18, 0x00, 0x66, 0x00, 0x06, 0x60, 0x01, 0x80, 0x1c, 0x00, 0x66, 0x00, 0x06, 0x60, 0x03, 0x80,
0x0c, 0x00, 0x66, 0x00, 0x06, 0x60, 0x03, 0x00, 0x0e, 0x00, 0x66, 0x00, 0x06, 0x60, 0x07, 0x00,
0x07, 0x00, 0x66, 0x00, 0x06, 0x60, 0x06, 0x00, 0x07, 0x00, 0x66, 0x00, 0x06, 0x60, 0x0c, 0x00,
0x03, 0x80, 0x66, 0x00, 0x06, 0x60, 0x1c, 0x00, 0x01, 0xc0, 0x66, 0x00, 0x06, 0x60, 0x38, 0x00,
0x00, 0xe0, 0x66, 0x00, 0x06, 0x60, 0x70, 0x00, 0x00, 0x70, 0x66, 0x00, 0x06, 0x60, 0xe0, 0x00,
0x00, 0x38, 0x66, 0x00, 0x06, 0x61, 0xc0, 0x00, 0x00, 0x1c, 0x66, 0x00, 0x06, 0x63, 0x80, 0x00,
0x00, 0x0f, 0xe6, 0x00, 0x06, 0x6f, 0x00, 0x00, 0x00, 0x07, 0xe6, 0x00, 0x06, 0x7e, 0x00, 0x00,
0x00, 0x01, 0xe6, 0x00, 0x06, 0x78, 0x00, 0x00, 0x00, 0x00, 0xe6, 0x00, 0x06, 0x70, 0x00, 0x00,
0x00, 0x00, 0x26, 0x00, 0x06, 0x40, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x06, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// ' icon_buzzer', 16x16px
const unsigned char epd_bitmap__icon_buzzer [] PROGMEM = {
0x00, 0x40, 0x00, 0xc0, 0x01, 0x40, 0x02, 0x40, 0x04, 0x44, 0x78, 0x42, 0x40, 0x52, 0x40, 0x4a,
0x40, 0x4a, 0x40, 0x4a, 0x78, 0x52, 0x04, 0x42, 0x02, 0x44, 0x01, 0x40, 0x00, 0xc0, 0x00, 0x40
};
// ' icon_calibration', 16x16px
const unsigned char epd_bitmap__icon_calibration [] PROGMEM = {
0x01, 0x00, 0x07, 0xe0, 0x09, 0x10, 0x13, 0xc8, 0x25, 0x24, 0x49, 0x12, 0x50, 0x0a, 0x51, 0xbf,
0xfd, 0x8a, 0x50, 0x0a, 0x48, 0x92, 0x24, 0xa4, 0x13, 0xc8, 0x08, 0x90, 0x07, 0xe0, 0x00, 0x80
};
// ' icon_date_and_time', 16x16px
const unsigned char epd_bitmap__icon_date_and_time [] PROGMEM = {
0x00, 0x00, 0x07, 0xe0, 0x09, 0x10, 0x10, 0x08, 0x21, 0x04, 0x41, 0x02, 0x41, 0x02, 0x41, 0x06,
0x60, 0x82, 0x40, 0x42, 0x40, 0x22, 0x20, 0x04, 0x10, 0x08, 0x08, 0x90, 0x07, 0xe0, 0x00, 0x00
};
// ' icon_locations', 16x16px
const unsigned char epd_bitmap__icon_locations [] PROGMEM = {
0x00, 0x00, 0x03, 0xc0, 0x04, 0x20, 0x08, 0x10, 0x09, 0x90, 0x09, 0x90, 0x08, 0x10, 0x08, 0x10,
0x04, 0x20, 0x02, 0x40, 0x02, 0x40, 0x01, 0x80, 0x05, 0xa0, 0x08, 0x10, 0x07, 0xe0, 0x00, 0x00
};
// ' icon_memory', 16x16px
const unsigned char epd_bitmap__icon_memory [] PROGMEM = {
0x00, 0x00, 0x7f, 0xf0, 0x40, 0x08, 0x49, 0x24, 0x49, 0x22, 0x49, 0x22, 0x40, 0x02, 0x40, 0x02,
0x4f, 0xf2, 0x48, 0x12, 0x48, 0x12, 0x48, 0x12, 0x4f, 0xf2, 0x40, 0x02, 0x7f, 0xfe, 0x00, 0x00
};
// ' scrollbar_background ', 8x64px
const unsigned char epd_bitmap__scrollbar_background [] PROGMEM = {
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02,
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02,
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02,
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00
};
// ' selected_outline', 128x21px
const unsigned char epd_bitmap__selected_outline [] PROGMEM = {
0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0,
0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0
};
// Array of all bitmaps for convenience. (Total bytes used to store images in PROGMEM = 240)
const unsigned char* bitmap_icons[5] = {
epd_bitmap__icon_locations,
epd_bitmap__icon_calibration,
epd_bitmap__icon_memory,
epd_bitmap__icon_date_and_time,
epd_bitmap__icon_buzzer
};
const int NUM_ITEMS = 5;
char menu_item [NUM_ITEMS][20]{
{"Locations"},
{"Calibration"},
{"Saved tests"},
{"Date and time"},
{"Buzzer"}
};
int item_selected;
int item_sel_previous;
int item_sel_next;
//------------------------------------------------------ Setup
void setup() {
//------------------------------------------------------ color sensor installation
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
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(2000); // Pause for 2 seconds
// Clear the buffer
display.clearDisplay();
pinMode(S0, OUTPUT);
pinMode(S1, OUTPUT);
pinMode(S2, OUTPUT);
pinMode(S3, OUTPUT);
pinMode(sensorOut, INPUT);
pinMode(sensorLED, OUTPUT);
pinMode(buzzer_pin, OUTPUT); //buzzer
digitalWrite(S0,LOW);
digitalWrite(S1,LOW);// Power down color sensor
status=2;//EEPROM.read(status_eeprom_location);
delay(250); // wait for the OLED to power up
//Buzzer();
display.setTextColor(WHITE);
display.display();
display.clearDisplay();
logo_display();
ready_to_use();
}
//------------------------------------------------------ Main loop
void loop() {
char key = keypad.getKey();
if(key){
switch (key) {
case 'c':
status=1;
ready_to_use();
break;
case 'p':
status=2;
ready_to_use();
break;
case 'o':
status=3;
ready_to_use();
break;
case 'M':
Menu();
break;
case 'u':
for(int i=0; i<2; i++) Buzzer();
delay(50);
for(int i=0; i<3; i++) Buzzer();
break;
case 'd':
for(int i=0; i<2; i++) Buzzer();
delay(50);
for(int i=0; i<3; i++) Buzzer();
break;
case 'R':
Color_Sensor();
break;
case 'b':
for(int i=0; i<4; i++) Buzzer();
delay(50);
//u8g.sleepOff();
for(int i=0; i<2; i++) Buzzer();
break;
}
}
}
void barrel(int bar){
if(bar<128){
display.drawLine(bar,40,bar,46,WHITE);
}
if(bar==30){
display.setCursor(80,30);
display.print(".");
}
if(bar==60){
display.setCursor(90,30);
display.print(".");
}
if(bar==90){
display.setCursor(100,30);
display.print(".");
}
display.display();
delay(3);
}
void Buzzer(){
digitalWrite(buzzer_pin, HIGH);
delay(27); //************** Set Timer...!!!
digitalWrite(buzzer_pin, LOW);
}
void calibration(){
calib= true;
Color_Sensor();
// for(int i=0; i<EEPROM.length(); i++){
// EEPROM.write(i,0);
// }
// EEPROM.write(green_eeprom_location,g0);
// EEPROM.write(blue_eeprom_location,b0);
calib= false;
}
/*
display.invertDisplay(true);
delay(1000);
display.invertDisplay(false);
delay(1000);
*/
void Color_Sensor() {
int y_cursor=56, i=0, n=0, blink=0, bar=0;
int cl_logo_x=0, cl_logo_y=0;
int ph_logo_x=11, ph_logo_y=0;
int o3_logo_x=4, o3_logo_y=0;
char buf[6];
green_color=0;
red_color=0;
blue_color=0;
clear_color=0;
display.clearDisplay();
display.setTextSize(1);
display.drawRect(0,40,128,8,1);
display.setCursor(35,30);
display.print("Reading");
display.display();
Buzzer();
digitalWrite(sensorLED,HIGH);
delay(10);
// Setting frequency-scaling LL: Power down, LH: 2%, HL: 20%, HH:100%
digitalWrite(S0,LOW);
digitalWrite(S1,HIGH);//
//----------------------------------------------- Red
digitalWrite(S2,LOW);
digitalWrite(S3,LOW);
delay(10);
// Reading the output frequency
for(i=0; i<number_of_samples; i++){
R_frequency[i] = pulseIn(sensorOut, digitalRead(sensorOut) == HIGH ? LOW : HIGH);
bar++;
barrel(bar);
bar++;
barrel(bar);
}
//----------------------------------------------- Green
digitalWrite(S2,HIGH);
digitalWrite(S3,HIGH);
delay(10);
// Reading the output frequency
for(i=0; i<number_of_samples; i++){
G_frequency[i] = pulseIn(sensorOut, digitalRead(sensorOut) == HIGH ? LOW : HIGH);
bar++;
barrel(bar);
bar++;
barrel(bar);
}
//----------------------------------------------- Blue
digitalWrite(S2,LOW);
digitalWrite(S3,HIGH);
delay(10);
// Reading the output frequency
for(i=0; i<number_of_samples; i++){
B_frequency[i] = pulseIn(sensorOut, digitalRead(sensorOut) == HIGH ? LOW : HIGH);
bar++;
barrel(bar);
bar++;
barrel(bar);
}
//----------------------------------------------- Clear
digitalWrite(S2,HIGH);
digitalWrite(S3,LOW);
delay(10);
// Reading the output frequency
for(i=0; i<number_of_samples; i++){
C_frequency[i] = pulseIn(sensorOut, digitalRead(sensorOut) == HIGH ? LOW : HIGH);
bar++;
barrel(bar);
bar++;
barrel(bar);
}
while(bar<128){
bar++;
barrel(bar);
}
digitalWrite(sensorLED,LOW);
for(n=0; n<number_of_samples; n++){
red_color= red_color+R_frequency[n];
green_color= green_color+G_frequency[n];
blue_color= blue_color+B_frequency[n];
clear_color= clear_color+C_frequency[n];
}
red_color=red_color/number_of_samples;
green_color=green_color/number_of_samples;
blue_color=blue_color/number_of_samples;
clear_color=clear_color/number_of_samples;
if(calib){
// g0=green_color;
// b0=blue_color;
for(blink=0; blink<3; blink++)
{
display.clearDisplay();
display.setTextSize(2);
display.setCursor(5,18);
display.print("Calibrated");
display.display();
delay(300);
display.clearDisplay();
display.display();
delay(150);
display.setCursor(5,18);
display.print("Calibrated");
display.display();
}
}
// if(red_color<25 && green_color<25 && blue_color<25) // no sample!
// {
// for(blink=0; blink<3; blink++)
// {
// display.clearDisplay();
// display.setTextSize(2);
// display.setCursor(5,18);
// display.print("No Sample!");
// display.display();
// delay(400);
// display.clearDisplay();
// display.display();
// delay(200);
// display.setCursor(5,18);
// display.print("No Sample!");
// display.display();
// }
// display.setTextSize(1);
// }
// else
// {
// g_slope= 0.0097*g0-0.2374;
// green_ppm= g_slope*(green_color-g0);
// b_slope= 0.8215-0.026*b0;
// blue_ppm= b_slope*(blue_color-b0);
// if(green_ppm<=0.5){
// ppm= green_ppm;
// }
// if(green_ppm>0.5 && green_ppm<=0.75){
// ppm= 1.64*green_ppm-0.3129;
// }
// if(green_ppm>0.75 && green_ppm<=1.3){
// ppm= 2.5641*green_ppm-1.0031;
// }
// if(green_ppm>1.3){
// ppm= (green_ppm+blue_ppm)/2;
// }
// if(ppm<0){
// ppm=0;
// }
display.clearDisplay();
display.setTextSize(1);
if(status==1){
display.setCursor(0,2);
display.println(F("CHLORINE level is"));
cl_logo(106, -3);
display.display();
}
if(status==2){
display.setCursor(0,2);
display.println(F("pH level is"));
ph_logo(83, -1);
display.display();
}
if(status==3){
display.setCursor(0,2);
display.println(F("OZONE level is"));
o3_logo(92, -2);
display.display();
}
display.setCursor(0,32);
display.print("r_");
display.print(red_color,1);
display.setCursor(0,44);
display.print("g_");
display.print(green_color,1);
display.setCursor(0,56);
display.print("b_");
display.print(blue_color,1);
display.setCursor(0,20);
display.print("c_");
display.print(clear_color,1);
display.display();
// display.setCursor(0,y_cursor+16);
// display.print(red_ppm,1);
// display.setCursor(43,y_cursor+16);
// display.print(green_ppm,1);
// display.setCursor(87,y_cursor+16);
// display.print(blue_ppm,1);
// display.setCursor(87,y_cursor);
// display.print(clear_ppm,1);
// display.display();
// // if(abs(blue_ppm-green_ppm)>4){ // out of range
// display.setTextSize(2);
// display.setCursor(30,20);
// display.print("OUT OF");
// display.setCursor(30,38);
// display.print("RANGE!");
// }
// else{
// display.setCursor(0,22);
// //display.setTextSize(4);/////////////////////////////////////////////////////////////////////
// if(ppm<10)
// dtostrf(ppm,4,2,buf); // at least 4 chars, 2 numbers after point
// else
// dtostrf(ppm,4,1,buf);
// display.print(buf);
// display.display();
// delay(200);
// if(status!=2){
// display.display();
// display.setTextSize(1);
// display.setCursor(109,25);
// display.print("ppm");
// }
// display.display();
digitalWrite(S0,LOW);
digitalWrite(S1,LOW);// Power down color sensor
}
void logo_display(void) {
display.clearDisplay();
display.drawBitmap( 34, -2, epd_bitmap__oks_logo, 60, 60, 1);
display.display();
delay(600);
for(int i=0; i<3; i++){
display.fillCircle(50+i*14,62,1,WHITE);
display.display();
delay(400);}
}
void cl_logo(int cl_logo_x, int cl_logo_y){
display.fillCircle(12+cl_logo_x,16+cl_logo_y,8,WHITE);
display.fillTriangle(12+cl_logo_x,2+cl_logo_y,5+cl_logo_x,12+cl_logo_y,19+cl_logo_x,12+cl_logo_y,WHITE);
display.display();
}
void ph_logo(int ph_logo_x, int ph_logo_y){
display.fillCircle(35+ph_logo_x,16+ph_logo_y,8,WHITE);
display.drawRect(33+ph_logo_x,4+ph_logo_y,4,6,WHITE);
display.fillRoundRect(31+ph_logo_x,1+ph_logo_y,8,3,90,WHITE);
display.drawCircle(35+ph_logo_x,16+ph_logo_y,7,BLACK);
display.drawPixel(35+ph_logo_x,8+ph_logo_y,BLACK);
display.drawPixel(34+ph_logo_x,8+ph_logo_y,BLACK);
display.drawFastHLine(33+ph_logo_x, 10+ph_logo_y, 5, BLACK);
display.drawFastHLine(31+ph_logo_x, 11+ph_logo_y, 9, BLACK);
display.drawFastHLine(30+ph_logo_x, 12+ph_logo_y, 11, BLACK);
display.display();
}
void o3_logo(int o3_logo_x, int o3_logo_y){
display.fillCircle(17+o3_logo_x,18+o3_logo_y,4,WHITE);
display.fillCircle(24+o3_logo_x,6+o3_logo_y,4,WHITE);
display.fillCircle(31+o3_logo_x,18+o3_logo_y,4,WHITE);
display.drawLine(17+o3_logo_x,18+o3_logo_y,24+o3_logo_x,6+o3_logo_y,WHITE);
display.drawLine(24+o3_logo_x,6+o3_logo_y,31+o3_logo_x,18+o3_logo_y,WHITE);
display.display();
}
void Menu(){
menu_jump:
// u8g.firstPage();
// do {
// // previous item
// u8g.setFont(u8g_font_7x14);
display.setCursor(26,15);
display.print(menu_item[item_sel_previous]);
//u8g.drawStr(26, 15, menu_item[item_sel_previous]);//////////////////////////////////
//u8g.drawBitmapP( 4, 2, 16/8, 16, bitmap_icons[item_sel_previous]);
display.drawBitmap( 4, 2, bitmap_icons[item_sel_previous], 16, 16, 1);
display.setCursor(26,37);
display.print(menu_item[item_selected]);
//selected item
//u8g.setFont(u8g_font_7x14B);
//u8g.drawStr(26, 37, menu_item[item_selected]);////////////////////////////////
//u8g.drawBitmapP( 4, 24, 16/8, 16, bitmap_icons[item_selected]); // draw calibration icon
display.drawBitmap( 4, 24, bitmap_icons[item_selected], 16, 16, 1);
display.setCursor(26,59);
display.print(menu_item[item_sel_next]);
// next item
//u8g.setFont(u8g_font_7x14);
//u8g.drawStr(26, 59, menu_item[item_sel_next]);////////////////////////////////
//u8g.drawBitmapP( 4, 46, 16/8, 16, bitmap_icons[item_sel_next]); // draw locations icon
display.drawBitmap( 4, 46, bitmap_icons[item_sel_next], 16, 16, 1);
//u8g.drawBitmapP( 0, 22, 128/8, 21, epd_bitmap__selected_outline);
display.drawBitmap( 0, 22, epd_bitmap__selected_outline, 128, 21, 1);
//u8g.drawBitmapP( 120, 0, 8/8, 64, epd_bitmap__scrollbar_background);
//} while ( u8g.nextPage() );
display.display();
char key = keypad.getKey();
if(key=='u'){
Buzzer();
item_selected= item_selected-1;
if(item_selected<0){
item_selected=NUM_ITEMS-1;
}
}
if(key=='d'){
Buzzer();
item_selected= item_selected+1;
if(item_selected>= NUM_ITEMS){
item_selected=0;
}
}
if(key=='b'){ready_to_use(); goto menu_down;}
if(key=='c'){status=1; ready_to_use(); goto menu_down;}
if(key=='p'){status=2; ready_to_use(); goto menu_down;}
if(key=='o'){status=3; ready_to_use(); goto menu_down;}
if(key=='M'){
}
item_sel_previous = item_selected-1;
if(item_sel_previous < 0){ item_sel_previous = NUM_ITEMS-1;}
item_sel_next = item_selected+1;
if(item_sel_next >= NUM_ITEMS){ item_sel_next = 0;}
goto menu_jump;
menu_down:
delay(1);
}
void ready_to_use(){
int cl_logo_x=0, cl_logo_y=0;
int ph_logo_x=11, ph_logo_y=0;
int o3_logo_x=4, o3_logo_y=0;
display.clearDisplay();
Buzzer();
//display.setTextSize(2);//////////////////////////////////////////////////////
if (status==1){
cl_logo(cl_logo_x, cl_logo_y);
display.setCursor(28, 8);
display.print("CHLORINE");}
if (status==2){
ph_logo(ph_logo_x, ph_logo_y);
display.setCursor(64, 8);
display.print("pH");}
if (status==3){
o3_logo(o3_logo_x, o3_logo_y);
display.setCursor(48, 8);
display.print("OZONE");}
display.setTextSize(1);
display.setCursor(13, 37);
display.println("Insert the sample");
display.setCursor(26, 46);
display.println("close the cap");
display.setCursor(22, 55);
display.println("and press READ");
display.display();
EEPROM.write(status_eeprom_location, status);
}Loading
ssd1306
ssd1306