#include <Arduino.h>

// Define the Serial port you want to use
#define CI_PLUS_SERIAL Serial1 // Change to Serial if using pins 0 and 1

void setup() {
    // Initialize Serial Monitor for debugging
    Serial.begin(9600);
    while (!Serial) {
        ; // Wait for Serial to initialize
    }

    // Initialize the CI+ Module Serial
    CI_PLUS_SERIAL.begin(115200); // Adjust baud rate as needed

    Serial.println("CI+ Module Communication Initialized.");
}

void loop() {
    // Check if there is data available from the CI+ module
    if (CI_PLUS_SERIAL.available()) {
        String data = CI_PLUS_SERIAL.readStringUntil('\n'); // Read until newline
        Serial.print("Received from CI+: ");
        Serial.println(data);
    }

    // Example command to send to CI+ module
    // Replace with actual command as per the CI+ protocol
    if (Serial.available()) {
        String command = Serial.readStringUntil('\n'); // Read from Serial Monitor
        CI_PLUS_SERIAL.println(command); // Send command to CI+ module
        Serial.print("Sent to CI+: ");
        Serial.println(command);
    }

    delay(100); // Add delay to avoid overwhelming the serial communication
}