#include <stm32f1xx_hal.h>


// Set STM32F103 LED RED (PC13)
#define LED_PORT                GPIOC
#define RED_LED                 GPIO_PIN_14
#define YELLOW_LED              GPIO_PIN_15
#define GREEN_LED               GPIO_PIN_13

#define LED_PORT                GPIOC
#define LED_PIN                 GPIO_PIN_13
#define LED_PIN_2               GPIO_PIN_14
#define LED_PIN_3               GPIO_PIN_15
//#define LED_PORT_CLK_ENABLE()     __HAL_RCC_GPIOC_CLK_ENABLE



void Error_Handler(void);
void SystemClock_Config(void);


void initGPIO()
{ GPIO_InitTypeDef GPIO_Config;

  GPIO_Config.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_Config.Pull = GPIO_NOPULL;
  GPIO_Config.Speed = GPIO_SPEED_FREQ_HIGH;

  GPIO_Config.Pin = RED_LED | YELLOW_LED | GREEN_LED;

  //LED_PORT_CLK_ENABLE();
  HAL_GPIO_Init(LED_PORT, &GPIO_Config);

  __HAL_RCC_GPIOC_CLK_ENABLE();
}

void delay(uint32_t ttt) {
    while (--ttt);
}


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


  while (1){

    

    HAL_GPIO_WritePin (LED_PORT,RED_LED,GPIO_PIN_SET);
    HAL_GPIO_WritePin (LED_PORT,YELLOW_LED,GPIO_PIN_RESET);
    HAL_GPIO_WritePin (LED_PORT,GREEN_LED,GPIO_PIN_SET);
  // 1kHz ticks
  // HAL_SYSTICK_Config(SystemCoreClock / 1000);
    HAL_Delay(200);
    // delay(2000000000);

    HAL_GPIO_WritePin (LED_PORT,RED_LED,GPIO_PIN_RESET);
    HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_SET);
    HAL_GPIO_WritePin(LED_PORT, GREEN_LED, GPIO_PIN_RESET);
    HAL_Delay(200);
    // delay(2000000000);  
  }
    /*
        //HAL_GPIO_WritePin(LED_PORT, RED_LED, GPIO_PIN_SET);
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED | GREEN_LED, GPIO_PIN_RESET);
        delay(3000);
        
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_SET);
        delay(1500);
        
        HAL_GPIO_WritePin(LED_PORT, RED_LED | YELLOW_LED, GPIO_PIN_RESET);
        HAL_GPIO_WritePin(LED_PORT, GREEN_LED, GPIO_PIN_SET);
        delay(3000);
        
        HAL_GPIO_WritePin(LED_PORT, GREEN_LED, GPIO_PIN_RESET);
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_SET);
        delay(500);
        
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_RESET);
        delay(500);
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_SET);
        delay(500);
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_RESET);
        delay(500);
        HAL_GPIO_WritePin(LED_PORT, YELLOW_LED, GPIO_PIN_SET);
        delay(500);


  }*/
}

//   @brief System Clock Configuration
//    @retval None
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /* Initializes the CPU, AHB and APB busses clocks */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
    Error_Handler();
  }
/* Initializes the CPU, AHB and APB busses clocks */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) Error_Handler();
}
void Error_Handler(void)
{  /* User can add his own implementation to report the HAL error return state */ }

#ifdef USE_FULL_ASSERT
/*  @brief  Reports the name of the source file and the source line number
            where the assert_param error has occurred.
    @param  file: pointer to the source file name
    @param  line: assert_param error line source number
    @retval None
*/
void assert_failed(uint8_t file, uint32_t line)
{ / User can add his own implementation to report the file name and line number,
    tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) /
}
#endif /* USE_FULL_ASSERT */


void SysTick_Handler(void)
{
  HAL_IncTick();
}