#include "stm32c0xx_hal.h"
#include "FreeRTOS.h"
#include "task.h"
#include <stdlib.h>  // For rand() and srand()
#include "timers.h"  // For xTimer

// Task Handles
xTaskHandle HLEDControl;

// GPIO Pins for LEDs
uint16_t leds[] = {GPIO_PIN_0, GPIO_PIN_1, GPIO_PIN_4, GPIO_PIN_9, GPIO_PIN_15, GPIO_PIN_8, GPIO_PIN_10}; // Added GPIO_PIN_10

// Declare the task function
void LEDControlTask(void *pvParameters);

int main(void)
{
    HAL_Init();
    SystemClock_Config();
    MX_GPIO_Init();

    // Seed the random number generator
    srand(HAL_GetTick());

    // Create the LED control task
    xTaskCreate(LEDControlTask, "LEDControl", 256, NULL, 1, &HLEDControl);

    // Start the scheduler
    vTaskStartScheduler();

    while (1)
    {
    }
}

void LEDControlTask(void *pvParameters)
{
    while (1)
    {
        int led_index = rand() % (sizeof(leds) / sizeof(leds[0]));  // Select a random LED index
        uint16_t led_pin = leds[led_index];  // Get the corresponding GPIO pin

        // Toggle the selected LED
        HAL_GPIO_TogglePin(GPIOA, led_pin);
        vTaskDelay(pdMS_TO_TICKS(200));  // Delay 
    }
}

void MX_GPIO_Init(void)
{
    __HAL_RCC_GPIOA_CLK_ENABLE();

    GPIO_InitTypeDef GPIO_InitStruct = {0};
    GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_9 | GPIO_PIN_15 | GPIO_PIN_8 | GPIO_PIN_10; // Added GPIO_PIN_10
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}

void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;

    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
        // Handle the error appropriately
    }

    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
    {
        // Handle the error appropriately
    }
}

void vApplicationIdleHook(void)
{
  // FreeRTOS idle hook
}