EchoLot/EchoLot.ino

#include "Arduino.h"
#include <LCDWIKI_GUI.h>    // core graphics library
//#include <LCDWIKI_SPI.h>    // hardware-specific library
#include <SSD1283A.h>
#include "RotaryControler.h"
//#include <U8g2_for_Adafruit_GFX.h>
#include <Fonts/FreeMonoOblique9pt7b.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 = "";

SSD1283A mylcd( CS, CD, RST, LED); //software spi,model,cs,cd,miso,mosi,reset,clk,led
//U8G2_FOR_ADAFRUIT_GFX u8g2_gfx;
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);

//	u8g2_gfx.begin(mylcd);
	mylcd.init();
	mylcd.fillScreen(BLACK);
	mylcd.setFont(&FreeMonoOblique9pt7b);

	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.setTextColor(WHITE);
//	mylcd.Set_Text_Back_colour(RED);
	mylcd.setTextSize(1);

	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.fillRect(0, 48, 130, 20, RED);

//			char *s = &String(buf)[0];
//		int16_t w = 0, h = 0;
//			u8g2_gfx.setFont(u8g2_font_helvB12_tf);
//			w = u8g2_gfx.getUTF8Width(s);
//			h = u8g2_gfx.getFontAscent() - u8g2_gfx.getFontDescent();
//			u8g2_gfx.setForegroundColor(WHITE);
//			u8g2_gfx.setCursor(30, 50);
//			mylcd.println(s);
		mylcd.setTextColor(WHITE);
		mylcd.setCursor(30, 50);
		mylcd.println(buf);

		delay(100);
//			lastDistance = buf;
//		}

		delay(200);
	} else {
		mylcd.fillScreen(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);
//}