GSM Setup rev_01

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    - Project: GSM Setup
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2024-08-27 02:07:27

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The system shall utilize the SIM800L module for */
    /* GSM communication, ensuring reliable data */
    /* transmission and reception through SoftwareSerial */
    /* on specified TX/RX pins. */
/****** END SYSTEM REQUIREMENTS *****/

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

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t GSM1_SIM800L_RING_PIN_D16     = 16;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t GSM1_SIM800L_RST_PIN_D14      = 14;
const uint8_t GSM1_SIM800L_DTR_PIN_D17      = 17;

/***** DEFINITION OF Software Serial *****/
const uint8_t GSM1_SIM800L_Serial_PIN_SERIAL_TX_D4      = 4;
const uint8_t GSM1_SIM800L_Serial_PIN_SERIAL_RX_D13     = 13;
EspSoftwareSerial::UART GSM1_SIM800L_Serial;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool    GSM1_SIM800L_RST_PIN_D14_rawData        = 0;
bool    GSM1_SIM800L_DTR_PIN_D17_rawData        = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float   GSM1_SIM800L_RST_PIN_D14_phyData        = 0.0;
float   GSM1_SIM800L_DTR_PIN_D17_phyData        = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Initialize the Sim800L object with RX, TX, and RST pins
Sim800L GSM1_SIM800L(GSM1_SIM800L_Serial_PIN_SERIAL_RX_D13, GSM1_SIM800L_Serial_PIN_SERIAL_TX_D4, GSM1_SIM800L_RST_PIN_D14);

void setup(void)
{
    // Set the ring pin as input with pull-up
    pinMode(GSM1_SIM800L_RING_PIN_D16, INPUT_PULLUP);

    // Set the RST pin as output
    pinMode(GSM1_SIM800L_RST_PIN_D14, OUTPUT);
    // Set the DTR pin as output
    pinMode(GSM1_SIM800L_DTR_PIN_D17, OUTPUT);

    // Start the software serial communication
    GSM1_SIM800L_Serial.begin(9600, SWSERIAL_8N1, GSM1_SIM800L_Serial_PIN_SERIAL_RX_D13, GSM1_SIM800L_Serial_PIN_SERIAL_TX_D4, false);

    // Initialize the GSM module with the default baud rate
    GSM1_SIM800L.begin(9600);
}

void loop(void)
{
    // Refresh output data
    updateOutputs();

    // Example: Sending an SMS (you can modify the number and text)
    char* text = "Testing SMS"; // Message to be sent
    char* number = "+1234567890"; // Replace with the actual number
    bool error = GSM1_SIM800L.sendSms(number, text); // Send SMS
}

void updateOutputs()
{
    // Update the state of the output pins based on raw data
    digitalWrite(GSM1_SIM800L_RST_PIN_D14, GSM1_SIM800L_RST_PIN_D14_rawData);
    digitalWrite(GSM1_SIM800L_DTR_PIN_D17, GSM1_SIM800L_DTR_PIN_D17_rawData);
}

/* END CODE */