heltec.cpp

// Copyright (c) Heltec Automation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

#include "heltec.h"


Heltec_ESP32::Heltec_ESP32(){

#if defined( Class_Wifi_Kit ) || defined( Class_Wifi_LoRa )
	display = new SSD1306Wire(0x3c, SDA_OLED, SCL_OLED, RST_OLED, GEOMETRY_128_64);
#elif defined( WIRELESS_STICK )
	display = new SSD1306Wire(0x3c, SDA_OLED, SCL_OLED, RST_OLED, GEOMETRY_64_32);
#endif
}

Heltec_ESP32::~Heltec_ESP32(){
#ifdef Heltec_Screen
	delete display;
#endif
}

void Heltec_ESP32::begin(bool DisplayEnable, bool LoRaEnable, bool SerialEnable, bool PABOOST, long BAND) {

#ifdef Heltec_Vext
	VextON();
#endif

	// UART
	if (SerialEnable) {
		Serial.begin(115200);
		Serial.flush();
		delay(50);
		Serial.print("Serial initial done\r\n");
	}

	// OLED
	if (DisplayEnable)
	{
#ifndef Heltec_Screen
		if(SerialEnable)
		{
			Serial.print("Board does not have an on board display, Display option must be FALSE!!!\r\n");
		}
#endif

#ifdef Heltec_Screen
		display->init();
		//display->flipScreenVertically();
		display->setFont(ArialMT_Plain_10);
		display->drawString(0, 0, "OLED initial done!");
		display->display();

		if (SerialEnable){
			Serial.print("you can see OLED printed OLED initial done!\r\n");
		}
#endif
	}

	// LoRa INIT
	if (LoRaEnable)
	{
#ifndef Heltec_LoRa
		if (SerialEnable) {
			Serial.print("Board does not have LoRa function, LoRa option must be FALSE!!!\r\n");
		}
#endif


#ifdef Heltec_LoRa
		//LoRaClass LoRa;

		SPI.begin(SCK,MISO,MOSI,SS);
		LoRa.setPins(SS,RST_LoRa,DIO0);
		if (!LoRa.begin(BAND,PABOOST))
		{
			if (SerialEnable){
				Serial.print("Starting LoRa failed!\r\n");
			}
#ifdef Heltec_Screen
			if(DisplayEnable){
				display->clear();
				display->drawString(0, 0, "Starting LoRa failed!");
				display->display();
				delay(300);
			}
#endif
			while (1);
		}
		if (SerialEnable){
			Serial.print("LoRa Initial success!\r\n");
		}
#ifdef Heltec_Screen
		if(DisplayEnable){
			display->clear();
			display->drawString(0, 0, "LoRa Initial success!");
			display->display();
			delay(300);
		}
#endif

#endif
	}
#ifdef LED
	pinMode(LED,OUTPUT);
#endif
}

#ifdef Heltec_Vext
void Heltec_ESP32::VextON(void)
{
	pinMode(Vext,OUTPUT);
	digitalWrite(Vext, LOW);
}

void Heltec_ESP32::VextOFF(void) //Vext default OFF
{
	pinMode(Vext,OUTPUT);
	digitalWrite(Vext, HIGH);
}
#endif

Heltec_ESP32 Heltec;