"Module Communication" rev_03

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    - Project: "Module Communication"
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-05-01 08:01:58

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* add mmdvm hat to obsidian esp32 */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <SoftwareSerial.h> //https://github.com/plerup/espsoftwareserial

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

/***** DEFINITION OF Software Serial *****/
const uint8_t myHC05_HC05_mySerial_PIN_SERIAL_TX_D4 = 4;
const uint8_t myHC05_HC05_mySerial_PIN_SERIAL_RX_D13 = 13;
EspSoftwareSerial::UART myHC05_HC05_mySerial;

// Define MMDVM hat related pins
const uint8_t MMDVM_TX_PIN = 16; // Example pin for MMDVM TX
const uint8_t MMDVM_RX_PIN = 17; // Example pin for MMDVM RX
EspSoftwareSerial::UART mmdvmSerial; // Create a SoftwareSerial object for MMDVM

void setup(void)
{
    // Initialize Software Serial for HC05
    myHC05_HC05_mySerial.begin(9600, SWSERIAL_8N1, myHC05_HC05_mySerial_PIN_SERIAL_RX_D13, myHC05_HC05_mySerial_PIN_SERIAL_TX_D4, false);

    // Initialize Software Serial for MMDVM
    mmdvmSerial.begin(9600, SWSERIAL_8N1, MMDVM_RX_PIN, MMDVM_TX_PIN, false);
}

void loop(void)
{
    // Main code for handling communication with HC05 and MMDVM
    if (myHC05_HC05_mySerial.available()) {
        // Read from HC05 and send to MMDVM
        char c = myHC05_HC05_mySerial.read();
        mmdvmSerial.write(c);
    }

    if (mmdvmSerial.available()) {
        // Read from MMDVM and send to HC05
        char c = mmdvmSerial.read();
        myHC05_HC05_mySerial.write(c);
    }
}

/* END CODE */