Lora transparent serial example code?

Sure!

The LoRa Transparent Serial mode is a feature in LoRa technology that allows for transparent communication between two LoRa modules over long distances. It enables you to send and receive serial data wirelessly, making it suitable for applications such as remote sensing and control, telemetry, and IoT devices.

To use the LoRa Transparent Serial mode with Arduino, you'll need two LoRa modules that support it, such as the popular SX1278/SX1276 modules. Additionally, you'll need to install the Arduino LoRa library, which provides all the necessary functions for LoRa communication.

Here is an example code that demonstrates how to use the LoRa Transparent Serial mode with Arduino:

#include <SPI.h>
#include <LoRa.h>

#define LORA_RST 9
#define LORA_CS 10
#define LORA_IRQ 2

void setup() {
  Serial.begin(9600);
  while (!Serial);

  LoRa.setPins(LORA_CS, LORA_RST, LORA_IRQ);
  if (!LoRa.begin(433E6)) {
    Serial.println("LoRa initialization failed");
    while (true);
  }

  Serial.println("LoRa initialized");
}

void loop() {
  if (Serial.available()) {
    String data = Serial.readStringUntil('n');
    LoRa.print(data);
    Serial.print("Sent: ");
    Serial.println(data);
  }

  if (LoRa.available()) {
    String data = LoRa.readStringUntil('n');
    Serial.print("Received: ");
    Serial.println(data);
  }
}

Let's go through the code:

First, we include the necessary libraries: SPI.h for SPI communication and LoRa.h for LoRa communication.

Next, we define the pins used for LoRa communication: LORA_RST for reset, LORA_CS for chip select, and LORA_IRQ for interrupt.

In the setup() function, we initialize the serial communication and wait for the serial connection. Then, we set the LoRa pins and frequency (in this example, 433MHz). If the LoRa module fails to initialize, we print an error message and enter an infinite loop.

In the loop() function, we check if there is serial data available from the Arduino's serial port. If so, we read the data and send it using the LoRa module's print() function. We also print the sent data to the serial monitor.

Next, we check if there is LoRa data available. If so, we read it from the LoRa module using the readStringUntil() function and print it to the serial monitor.

That's it! With this code, you can send and receive serial data wirelessly using LoRa modules in Transparent Serial mode.

Note: This is a basic example to demonstrate the usage of the LoRa Transparent Serial mode. For a complete application, you may need to incorporate error handling, data formatting, and other necessary features based on your specific requirements.

I hope this helps in understanding how to use the LoRa Transparent Serial mode with Arduino.