EchoLot/EchoLot.ino

#include "Arduino.h"
#include <LCDWIKI_GUI.h>    // core graphics library
#include <LCDWIKI_SPI.h>    // hardware-specific library
#include "RotaryControler.h"

const int trigPin = 12;
const int echoPin = 10;

#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define WHITE 0xFFFF

#define MODEL SSD1283A
#define LED -1				// to +5v
#define SCK  13//A1 with SCK on 13 and SDA on 11 it is 10x faster!!!
#define SDA  11//A2
#define MISO -1
#define MOSI SDA
#define CD A3
#define RST A4
#define CS A5

static const int RotEnc_Switch_Pin = 2;
static const int RotEnc_Clk_Pin = 3;
static const int RotEnc_Dta_Pin = 4;

static const int Measure_Pin = 8;

String lastDistance = "";

LCDWIKI_SPI mylcd(MODEL, CS, CD, MISO, MOSI, RST, SCK, LED); //software spi,model,cs,cd,miso,mosi,reset,clk,led
RotaryControler RotaryControler(RotEnc_Dta_Pin, RotEnc_Clk_Pin, RotEnc_Switch_Pin);
ExEzButton MeasureBtn(Measure_Pin, false, 2000);

void setup()
{
	Serial.begin(115200);
	pinMode(trigPin, OUTPUT);
	pinMode(echoPin, INPUT);

	mylcd.Init_LCD();
	mylcd.Fill_Screen(BLACK);

	pinMode(Measure_Pin, INPUT);
	pinMode(RotEnc_Switch_Pin, INPUT);

	MeasureBtn.setDebounceTime(50);
	RotaryControler.setDebounceTime(50);
}

void loop()
{
//	mylcd.Fill_Screen(BLACK);
//	mylcd.Fill_Screen(WHITE);
//	mylcd.Fill_Screen(255, 0, 0);
//	mylcd.Fill_Screen(0, 255, 0);
//	mylcd.Fill_Screen(0, 0, 255);
//	delay(3000);
//	mylcd.Fill_Screen(0, 0, 0);
//	delay(1000);
//	mylcd.Fill_Screen(255, 255, 255);
//	delay(1000);
//	mylcd.Fill_Screen(0xF800);
//	delay(1000);
//	mylcd.Fill_Screen(0x07E0);
//	delay(1000);
//	mylcd.Fill_Screen(0x001F);
//	delay(3000);

	MeasureBtn.loop();
	RotaryControler.loop();

	mylcd.Set_Text_Mode(1);
	mylcd.Set_Text_colour(WHITE);
	mylcd.Set_Text_Back_colour(RED);
	mylcd.Set_Text_Size(2);

	if (RotaryControler.isSwitchPressed()) {
		Serial.println("RotaryEnc SwitchPressed");
	}

	if (MeasureBtn.isPressing()) {

		digitalWrite(trigPin, LOW);
		delayMicroseconds(5);
		digitalWrite(trigPin, HIGH);
		delayMicroseconds(20);
		digitalWrite(trigPin, LOW);

		long duration = pulseIn(echoPin, HIGH);
		long distance = duration * 0.03432 / 2;

		//	Serial.print("duration:");
		//	Serial.println(duration);

		//	Serial.print("Distance:");
//		Serial.println(distance);

		char buf[50];
		sprintf(buf, "%lu cm", distance);

		if (!lastDistance.equals(buf)) {
			mylcd.Fill_Rect(0, 48, 130, 20, RED);
			mylcd.Print_String(buf, 30, 50);
			delay(100);
			lastDistance = buf;
		}

		delay(200);
	} else {
		mylcd.Fill_Screen(BLACK);
	}

}

//void setup() {
//	Serial.begin(115200);
//	pinMode(trigPin, OUTPUT);
//	pinMode(echoPin, INPUT);

//}

//void loop() {

//	mylcd.Set_Text_Mode(0);
//	mylcd.Fill_Screen(0x0000);
//	mylcd.Set_Text_colour(RED);
//	mylcd.Set_Text_Back_colour(BLACK);
//	mylcd.Set_Text_Size(2);
//	mylcd.Print_String("Hello World!", 0, 0);

//	digitalWrite(trigPin, LOW);
//	delayMicroseconds(5);
//
//	digitalWrite(trigPin, HIGH);
//	delayMicroseconds(20);
//	digitalWrite(trigPin, LOW);
//
//	long duration = pulseIn(echoPin, HIGH);
//	long distance = duration * 0.03432 / 2;
//
//	Serial.print("duration:");
//	Serial.println(duration);;
//
//	Serial.print("Distance:");
//	Serial.println(distance);
//	delay(100);
//}