#include "stm32c0xx_hal.h"
#define LED_VERTE_PIN GPIO_PIN_1
#define LED_ROUGE_PIN GPIO_PIN_11
#define LED_ORANGE_PIN GPIO_PIN_4
#define LED_BLEUE_PIN GPIO_PIN_12
// Déclaration de la broche pour le bouton
#define BOUTON_PIN GPIO_PIN_0

void SystemClock_Config(void);

int main(void)
{
    
    HAL_Init();

     //ACTIVER PORT A
    __HAL_RCC_GPIOA_CLK_ENABLE();  
    GPIO_InitTypeDef GPIO_InitStruct;
    GPIO_InitStruct.Pin =  LED_ROUGE_PIN | LED_ORANGE_PIN | LED_BLEUE_PIN;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  //ACTIVER PORT B
 __HAL_RCC_GPIOB_CLK_ENABLE();  
    GPIO_InitStruct.Pin = LED_VERTE_PIN ;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_1 ;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  GPIO_PinState prevButtonState = GPIO_PIN_SET;
  while (1)
  {

	  // Read the current button state
	      GPIO_PinState currentButtonState = HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0);

	      // Check if the button state has changed
	      if (currentButtonState != prevButtonState)
	      {

	        // Read the button state again
	        currentButtonState = HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0);

	        // Update the previous button state
	        prevButtonState = currentButtonState;

	        // Check if the button is pressed (active LOW)
	        if (currentButtonState == GPIO_PIN_RESET)
	        {
	          gestionBouton();
	        }
	      }
  }

}

void gestionBouton(void)
{

    GPIO_PinState boutonState = HAL_GPIO_ReadPin(GPIOA, BOUTON_PIN);
   
    if (boutonState == GPIO_PIN_SET)
    {
        allumerLEDVerte(boutonState);
        allumerLEDRouge(boutonState);
        allumerLEDOrange(boutonState);
        allumerLEDBleue(boutonState);
    } 
  }

void allumerLEDVerte(GPIO_PinState state)
{

    HAL_GPIO_WritePin(GPIOB, LED_VERTE_PIN, GPIO_PIN_SET);
    HAL_Delay(500);
    HAL_GPIO_WritePin(GPIOB, LED_VERTE_PIN, GPIO_PIN_RESET);
}

void allumerLEDRouge(GPIO_PinState state)
{

    HAL_GPIO_WritePin(GPIOA, LED_ROUGE_PIN, GPIO_PIN_SET);
    HAL_Delay(500);
    HAL_GPIO_WritePin(GPIOA, LED_ROUGE_PIN, GPIO_PIN_RESET);
}

void allumerLEDOrange(GPIO_PinState state)
{
  
    HAL_GPIO_WritePin(GPIOA, LED_ORANGE_PIN, GPIO_PIN_SET);
    HAL_Delay(500);
    HAL_GPIO_WritePin(GPIOA, LED_ORANGE_PIN, GPIO_PIN_RESET);
}

void allumerLEDBleue(GPIO_PinState state)
{
  
    HAL_GPIO_WritePin(GPIOA, LED_BLEUE_PIN, GPIO_PIN_SET);
    HAL_Delay(500);
    HAL_GPIO_WritePin(GPIOA, LED_BLEUE_PIN, GPIO_PIN_RESET);
}

void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

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

  // Correction : Supprimer la ligne RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  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)
  {
    Error_Handler();
  }
}

void Error_Handler(void)
{
  // Gérer l'erreur de manière appropriée, par exemple, clignoter une LED d'erreur ou signaler l'erreur via une interface de débogage.
  while (1)
  {
    // Boucle infinie pour maintenir le microcontrôleur dans un état d'erreur
  }
}