// Create a task that contains a recursive function inside it.

// Create a mechanism by which you are able to transfer how much stack is remaining 
// (number of bytes) while that task is operating, over a specific UART channel.

#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <Arduino.h>

// Recursive factorial function
int factorial(int n) {
    if (n == 0 || n == 1)
        return 1;
    else
        return n * factorial(n - 1);
}

// Task function
void taskFunction(void *pvParameters) {
    int n = 5; // Calculate factorial of 5 as an example

    while(1){
    int result = factorial(n);
    Serial.print("Factorial of ");
    Serial.print(n);
    Serial.print(" is ");
    Serial.println(result);

    // Get remaining stack size
    uint32_t stackSize = uxTaskGetStackHighWaterMark(NULL);
    Serial.print("Remaining stack size: ");
    Serial.println(stackSize);
    }

    vTaskDelete(NULL); // Delete the task once done
}

void setup() {
    Serial.begin(9600);
    xTaskCreate(taskFunction, "Task", 1000, NULL, 1, NULL); // Create the task
}

void loop() {
    // Nothing to do here, everything is handled in the task
}