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	- Project: "SIM800L Control"
	- Source Code NOT compiled for: Arduino Nano ESP32
	- Source Code created on: 2024-06-13 11:19:54

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* initialize gsm */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include  //https://github.com/plerup/espsoftwareserial
#include  //https://github.com/vittorioexp/Sim800L-Arduino-Library-revised

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t gsm_SIM800L_RING_PIN_D3 = 3;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t gsm_SIM800L_RST_PIN_D2 = 2;
const uint8_t gsm_SIM800L_DTR_PIN_D4 = 4;

/***** DEFINITION OF Software Serial *****/
const uint8_t gsm_SIM800L_Serial_PIN_SERIAL_TX_A0 = A0;
const uint8_t gsm_SIM800L_Serial_PIN_SERIAL_RX_A1 = A1;
SoftwareSerial gsm_SIM800L_Serial(gsm_SIM800L_Serial_PIN_SERIAL_RX_A1, gsm_SIM800L_Serial_PIN_SERIAL_TX_A0);

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool gsm_SIM800L_RST_PIN_D2_rawData = 0;
bool gsm_SIM800L_DTR_PIN_D4_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float gsm_SIM800L_RST_PIN_D2_phyData = 0.0;
float gsm_SIM800L_DTR_PIN_D4_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
Sim800L GSM(&gsm_SIM800L_Serial, gsm_SIM800L_RST_PIN_D2, gsm_SIM800L_RING_PIN_D3, gsm_SIM800L_DTR_PIN_D4);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(gsm_SIM800L_RING_PIN_D3, INPUT_PULLUP);
  pinMode(gsm_SIM800L_RST_PIN_D2, OUTPUT);
  pinMode(gsm_SIM800L_DTR_PIN_D4, OUTPUT);

  gsm_SIM800L_Serial.begin(9600);

  // Initialize GSM module
  GSM.begin(4800);

  // Minimum functionality
  if (!GSM.setFunctionalityMode(0)) Serial.println("ERROR");
  else Serial.println("Minimum functionality");

  Serial.print("Functionality mode: ");
  Serial.println(GSM.getFunctionalityMode());
  delay(5000);

  // Full functionality
  if (!GSM.setFunctionalityMode(1)) Serial.println("ERROR");
  else Serial.println("Full functionality");

  Serial.print("Functionality mode: ");
  Serial.println(GSM.getFunctionalityMode());
  delay(5000);

  // Flight mode (disable RF function)
  if (!GSM.setFunctionalityMode(4)) Serial.println("ERROR");
  else Serial.println("Flight mode (disable RF function)");

  Serial.print("Functionality mode: ");
  Serial.println(GSM.getFunctionalityMode());
  delay(5000);
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  updateOutputs(); // Refresh output data
}

void updateOutputs()
{
  digitalWrite(gsm_SIM800L_RST_PIN_D2, gsm_SIM800L_RST_PIN_D2_rawData);
  digitalWrite(gsm_SIM800L_DTR_PIN_D4, gsm_SIM800L_DTR_PIN_D4_rawData);
}

/* END CODE */