text: /* USER CODE BEGIN Header */
  /**
    ******************************************************************************
    * @file           : main.c
    * @brief          : Main program body
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
    * All rights reserved.</center></h2>
    *
    * This software component is licensed by ST under BSD 3-Clause license,
    * the "License"; You may not use this file except in compliance with the
    * License. You may obtain a copy of the License at:
    *                        opensource.org/licenses/BSD-3-Clause
    *
    ******************************************************************************
    */
  /* USER CODE END Header */
  /* Includes ------------------------------------------------------------------*/
  #include "main.h"
  #include "gpio.h"
  
  /* Private includes ----------------------------------------------------------*/
  /* USER CODE BEGIN Includes */
  #include "tube.h"
  #include "ws2812.h"
  #include "ds18b20.h"
  /* USER CODE END Includes */
  
  /* Private typedef -----------------------------------------------------------*/
  /* USER CODE BEGIN PTD */
  
  /* USER CODE END PTD */
  
  /* Private define ------------------------------------------------------------*/
  /* USER CODE BEGIN PD */
  
  /* USER CODE END PD */
  
  /* Private macro -------------------------------------------------------------*/
  /* USER CODE BEGIN PM */
  
  /* USER CODE END PM */
  
  /* Private variables ---------------------------------------------------------*/
  
  /* USER CODE BEGIN PV */
  uint8_t num[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};	//0-9
  uint8_t num1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};	//0:-9:
  uint8_t tube[4] = {0};
  int8_t hour = 0, minute = 0, second = 0;
  
  uint8_t KEY_FLAG = 0;
  
  uint8_t index = 0;
  uint16_t temperature = 0;
  uint32_t colors[] = {0x1725e8,0x178ee8,0x17e8d1,0x17e820,0x76e817,0xe8e717,0xe87617,0xe81917};
  /* USER CODE END PV */
  
  /* Private function prototypes -----------------------------------------------*/
  void SystemClock_Config(void);
  /* USER CODE BEGIN PFP */
  void clock_display(void);
  void temp_display(void);
  void my_tick(void);
  void disdate(void);
  /* USER CODE END PFP */
  
  /* Private user code ---------------------------------------------------------*/
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  /**
    * @brief  The application entry point.
    * @retval int
    */
  int main(void)
  {
    /* USER CODE BEGIN 1 */
  
    /* USER CODE END 1 */
  
    /* MCU Configuration--------------------------------------------------------*/
  
    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();
  
    /* USER CODE BEGIN Init */
  
    /* USER CODE END Init */
  
    /* Configure the system clock */
    SystemClock_Config();
  
    /* USER CODE BEGIN SysInit */
  
    /* USER CODE END SysInit */
  
    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    /* USER CODE BEGIN 2 */
    ws281x_Init();
    ALIX_Delay_init();
    while(DS18B20_Init());
    /* USER CODE END 2 */
  
    /* Infinite loop */
    /* USER CODE BEGIN WHILE */
    while (1)
    {
      /* USER CODE END WHILE */
  
      /* USER CODE BEGIN 3 */
  	  if(KEY_FLAG == 0) clock_display();
  	  else disdate();
  	  temp_display();
  	  my_tick();
    }
    /* USER CODE END 3 */
  }
  
  /**
    * @brief System Clock Configuration
    * @retval None
    */
  void SystemClock_Config(void)
  {
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  
    /** Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
      Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                                |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  
    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
    {
      Error_Handler();
    }
  }
  
  /* USER CODE BEGIN 4 */
  void clock_display(void)
  {
  	tube[3] = num[minute % 10];
  	tube[2] = num[minute / 10 % 10];
  	if(second % 2 == 0){
  		tube[1] = num1[hour % 10];
  	} else {
  		tube[1] = num[hour % 10];
  	}
  	tube[0] = num[hour / 10 % 10];
  	TMSegDisplay(tube);
  	HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
  
  }
  
  void temp_display(void)
  {
  	temperature = DS18B20_Get_Temp();
  	index = (temperature - 200) / 20;
  	if(index >= sizeof(colors) / sizeof(colors[0]))
  		index = sizeof(colors) / sizeof(colors[0]) - 1;
  	ws281x_Play(colors, index);
  }
  
  void my_tick(void)
  {
  	second++;
  	if(second == 60){
  		second = 0;
  		minute++;
  	}
  	if(minute == 60){
  		minute = 0;
  		hour++;
  	}
  	if(hour == 24){
  		hour = 0;
  	}
  	ALIX_Delay_us(1000000);
  }
  
  void disdate(void)
  {
  	switch(KEY_FLAG)
  	{
  	case 1:
  		{
  			if(second % 2 == 0){
  				tube[1] = num[hour % 10];
  				tube[0] = num[hour / 10 % 10];
  			} else {
  				tube[1] = 0;
  				tube[0] = 0;
  			}
  			tube[3] = num[minute % 10];
  			tube[2] = num[minute / 10 % 10];
  		}
  		break;
  	case 2:
  		{
  			if(second % 2 == 0){
  				tube[3] = num[minute % 10];
  				tube[2] = num[minute / 10 % 10];
  			} else {
  				tube[3] = 0;
  				tube[2] = 0;
  			}
  			tube[1] = num[hour % 10];
  			tube[0] = num[hour / 10 % 10];
  		}
  		break;
  	default:break;
  	}
  	TMSegDisplay(tube);
  	HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
  }
  
  void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
  {
  	switch(GPIO_Pin)
  	{
  	case KEY1_Pin:
  		if(HAL_GPIO_ReadPin(KEY1_GPIO_Port, KEY1_Pin) == GPIO_PIN_SET){
  			KEY_FLAG++;
  			if(KEY_FLAG > 2) KEY_FLAG = 0;
  		}
  		break;
  	case KEY2_Pin:
  		if((HAL_GPIO_ReadPin(KEY2_GPIO_Port, KEY2_Pin) == GPIO_PIN_SET) && (KEY_FLAG == 1)){
  			hour++;
  			if(hour >= 24) hour = 0;
  		}
  		if((HAL_GPIO_ReadPin(KEY2_GPIO_Port, KEY2_Pin) == GPIO_PIN_SET) && (KEY_FLAG == 2)){
  			minute++;
  			if(minute >= 60) minute = 0;
  		}
  		break;
  	case KEY3_Pin:
  		if((HAL_GPIO_ReadPin(KEY3_GPIO_Port, KEY3_Pin) == GPIO_PIN_SET) && (KEY_FLAG == 1)){
  			hour--;
  			if(hour < 0) hour = 23;
  		}
  		if((HAL_GPIO_ReadPin(KEY3_GPIO_Port, KEY3_Pin) == GPIO_PIN_SET) && (KEY_FLAG == 2)){
  			minute--;
  			if(minute < 0) minute = 59;
  		}
  		break;
  	case KEY4_Pin:
  		if(HAL_GPIO_ReadPin(KEY4_GPIO_Port, KEY4_Pin) == GPIO_PIN_SET){
  		}
  		break;
  	default:break;
  	}
  
  }
  
  
  /* USER CODE END 4 */
  
  /**
    * @brief  This function is executed in case of error occurrence.
    * @retval None
    */
  void Error_Handler(void)
  {
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */
  
    /* USER CODE END Error_Handler_Debug */
  }
  
  #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 CODE BEGIN 6 */
    /* 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) */
    /* USER CODE END 6 */
  }
  #endif /* USE_FULL_ASSERT */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  