/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
#define AP3216C_ADDR_W (0x3C)
#define AP3216C_ADDR_R (0x3D)
#define AP3216CCMD_ALS_L (0x0C)
#define AP3216CCMD_ALS_H (0x0D)

//
#define SEG_ADDR (0x60)
//#define SEG_ADDR (0x70)

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
uint8_t Light_Switch = 0;
uint8_t Light_Mod = 0;
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c1;

TIM_HandleTypeDef htim2;
TIM_HandleTypeDef htim3;

UART_HandleTypeDef huart4;

/* USER CODE BEGIN PV */
uint8_t Seg_Point[8] = {0,0,0,0,0,0,0,0};
uint8_t Seg_Buf[8] = {10,10,10,10,10,10,10,10};
uint8_t Seg_Char[12] =
{
	0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x00,0x40	//共阴 0-9,全灭 和 -
	//0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0xB0		//共阳 0-9,全灭 和 -
};
uint8_t Seg_Pos = 0;
uint16_t Seg_Slow_Down = 0;
uint8_t Key_Slow_Down,Key_Val,Key_Old,Key_Down,Key_Up;
uint8_t ALS_H,ALS_L,AP3216C_Start = 0x03,AP3216C_Reset = 0x04;
uint16_t ALS = 0,Light_Slow_Down;

uint8_t Light_Level,Light_Level_Hand = 5,Light_Level_Auto;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void MX_TIM2_Init(void);
static void MX_TIM3_Init(void);
static void MX_UART4_Init(void);
/* USER CODE BEGIN PFP */
//重写printf函数，使用UART4输出
int __io_putchar(int ch)
{
	HAL_UART_Transmit(&huart4,(uint8_t*)&ch,1,10);
	return ch;
}

//读取AP3216C的ALS数据
int AP3216CALS_Read()
{
  uint16_t temp = 0;
  //AP3216C初始化
  HAL_I2C_Mem_Write(&hi2c1,AP3216C_ADDR_W,0x00,1,&AP3216C_Reset,1,100);
  HAL_Delay(150);
  HAL_I2C_Mem_Write(&hi2c1,AP3216C_ADDR_W,0x00,1,&AP3216C_Start,1,100);
  HAL_Delay(150);
  //读取ALS数据
  HAL_I2C_Mem_Read(&hi2c1,AP3216C_ADDR_R, AP3216CCMD_ALS_L, 1,&ALS_L,1, 100);
  HAL_Delay(150);
  HAL_I2C_Mem_Read(&hi2c1,AP3216C_ADDR_R, AP3216CCMD_ALS_H, 1,&ALS_H,1, 100);
  HAL_Delay(150);

  temp = ((ALS_H << 8) | ALS_L);
  return temp;
}

//读取按键状态
int Key_Read(void)
{
  uint8_t temp = 0;
  if(HAL_GPIO_ReadPin(GPIOE,GPIO_PIN_9) == GPIO_PIN_RESET)  temp = 3;
  else if(HAL_GPIO_ReadPin(GPIOG,GPIO_PIN_2) == GPIO_PIN_RESET)  temp = 4;
  else if(HAL_GPIO_ReadPin(GPIOG,GPIO_PIN_1) == GPIO_PIN_RESET)  temp = 5;
  else if(HAL_GPIO_ReadPin(GPIOG,GPIO_PIN_0) == GPIO_PIN_RESET)  temp = 6;

  return temp;
}

//按键处理
void Key_Proc()
{
  //延时消抖，下面相似代码同理
  if(Key_Slow_Down) return;
  Key_Slow_Down = 1;

  Key_Val = Key_Read();
  Key_Down = Key_Val & (Key_Old ^ Key_Val);
  Key_Up = ~Key_Val & (Key_Old ^ Key_Val);
  Key_Old = Key_Val;

  if(Key_Down == 3)
  {
	  Light_Switch = !Light_Switch;
  }
  if(Light_Switch == 1)
  {
	  if(Key_Down == 6)
		  Light_Mod = !Light_Mod;
	  if(Key_Down == 4)
	  {
		  Light_Level_Hand++;
		  if(Light_Level_Hand >= 11)
			  Light_Level_Hand = 10;
	  }
	  else if(Key_Down == 5)
	  {
		  Light_Level_Hand--;
		  if(Light_Level_Hand <= 0)
			  Light_Level_Hand = 1;
	  }


  }

}

//灯光处理
void Light_Proc()
{
  if(Light_Slow_Down) return;
  Light_Slow_Down = 1;

	if(Light_Mod == 1)
	{
		Light_Level_Auto = AP3216CALS_Read() / 10 % 10;
    //如果ALS数据小于5，则灯光亮度为ALS数据+5，保证自动调节的灯光亮度不会过低
		if(Light_Level_Auto <= 5)
			Light_Level = Light_Level_Auto + 5;
		else
			Light_Level = Light_Level_Auto;
	}
	else
  //手动调节灯光亮度
		Light_Level = Light_Level_Hand;

  //根据灯光开关状态，设置灯光亮度
	if(Light_Switch)
	{
		switch(Light_Level)
		{
			case 0:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 0);
			break;
			case 1:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 100);
			break;
			case 2:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 200);
			break;
			case 3:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 300);
			break;
			case 4:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 400);
			break;
			case 5:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 500);
			break;
			case 6:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 600);
			break;
			case 7:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 700);
			break;
			case 8:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 800);
			break;
			case 9:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 900);
			break;
			case 10:
			__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 1000);
			break;
		}
	}
	else
		//关闭灯光
		__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 0);

  //输出所有状态
	printf("Open_Status:%d Mod:%d Auto_Light:%d Hand_Light:%d Light_Level:%d\n",Light_Switch,Light_Mod,Light_Level_Auto,Light_Level_Hand,Light_Level);

}

//数码管显示
void Seg_Disp(uint8_t Wela, uint8_t Dula, uint8_t IsPoint)
{
	uint8_t seg_data = Seg_Char[Dula];  // 使用临时变量
	if(IsPoint)
	  seg_data |= 0x80;  // 设置小数点
	else
	  seg_data &= 0x7F;  // 清除小数点
	HAL_I2C_Mem_Write(&hi2c1,SEG_ADDR,0x10+Wela, 1, &seg_data, 1, 100);
}

//数码管显示处理
void Seg_Proc()
{
	if(Seg_Slow_Down) return;
	Seg_Slow_Down = 1;

	Seg_Buf[0] = 10;
	Seg_Buf[1] = Light_Switch;
	Seg_Buf[2] = 10;
	Seg_Buf[3] = Light_Mod;
	Seg_Buf[4] = 10;
	Seg_Buf[5] = Light_Level_Hand % 10;
	Seg_Buf[6] = 10;
	Seg_Buf[7] = Light_Level % 10;
}

/* 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 */

  if(IS_ENGINEERING_BOOT_MODE())
  {
    /* Configure the system clock */
    SystemClock_Config();
  }

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_I2C1_Init();
  MX_TIM2_Init();
  MX_TIM3_Init();
  MX_UART4_Init();
  /* USER CODE BEGIN 2 */
  HAL_TIM_Base_Start_IT(&htim2);
  HAL_TIM_Base_Start_IT(&htim3);
  HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_2);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
	  Key_Proc();
	  Light_Proc();
	  Seg_Proc();
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* 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_HSI|RCC_OSCILLATORTYPE_LSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSIDivValue = RCC_HSI_DIV1;
  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  RCC_OscInitStruct.PLL2.PLLState = RCC_PLL_NONE;
  RCC_OscInitStruct.PLL3.PLLState = RCC_PLL_NONE;
  RCC_OscInitStruct.PLL4.PLLState = RCC_PLL_NONE;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** RCC Clock Config
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_ACLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_PCLK3|RCC_CLOCKTYPE_PCLK4
                              |RCC_CLOCKTYPE_PCLK5;
  RCC_ClkInitStruct.AXISSInit.AXI_Clock = RCC_AXISSOURCE_HSI;
  RCC_ClkInitStruct.AXISSInit.AXI_Div = RCC_AXI_DIV1;
  RCC_ClkInitStruct.MCUInit.MCU_Clock = RCC_MCUSSOURCE_HSI;
  RCC_ClkInitStruct.MCUInit.MCU_Div = RCC_MCU_DIV1;
  RCC_ClkInitStruct.APB4_Div = RCC_APB4_DIV1;
  RCC_ClkInitStruct.APB5_Div = RCC_APB5_DIV1;
  RCC_ClkInitStruct.APB1_Div = RCC_APB1_DIV1;
  RCC_ClkInitStruct.APB2_Div = RCC_APB2_DIV1;
  RCC_ClkInitStruct.APB3_Div = RCC_APB3_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief I2C1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_I2C1_Init(void)
{

  /* USER CODE BEGIN I2C1_Init 0 */

  /* USER CODE END I2C1_Init 0 */

  /* USER CODE BEGIN I2C1_Init 1 */

  /* USER CODE END I2C1_Init 1 */
  hi2c1.Instance = I2C1;
  hi2c1.Init.Timing = 0x10707DBC;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  {
    Error_Handler();
  }

  /** Configure Analogue filter
  */
  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
  {
    Error_Handler();
  }

  /** Configure Digital filter
  */
  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN I2C1_Init 2 */

  /* USER CODE END I2C1_Init 2 */

}

/**
  * @brief TIM2 Initialization Function
  * @param None
  * @retval None
  */
static void MX_TIM2_Init(void)
{

  /* USER CODE BEGIN TIM2_Init 0 */

  /* USER CODE END TIM2_Init 0 */

  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  TIM_MasterConfigTypeDef sMasterConfig = {0};

  /* USER CODE BEGIN TIM2_Init 1 */

  /* USER CODE END TIM2_Init 1 */
  htim2.Instance = TIM2;
  htim2.Init.Prescaler = 63;
  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim2.Init.Period = 999;
  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
  {
    Error_Handler();
  }
  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
  {
    Error_Handler();
  }
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN TIM2_Init 2 */

  /* USER CODE END TIM2_Init 2 */

}

/**
  * @brief TIM3 Initialization Function
  * @param None
  * @retval None
  */
static void MX_TIM3_Init(void)
{

  /* USER CODE BEGIN TIM3_Init 0 */

  /* USER CODE END TIM3_Init 0 */

  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  TIM_MasterConfigTypeDef sMasterConfig = {0};
  TIM_OC_InitTypeDef sConfigOC = {0};

  /* USER CODE BEGIN TIM3_Init 1 */

  /* USER CODE END TIM3_Init 1 */
  htim3.Instance = TIM3;
  htim3.Init.Prescaler = 63;
  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim3.Init.Period = 999;
  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
  {
    Error_Handler();
  }
  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
  {
    Error_Handler();
  }
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
  {
    Error_Handler();
  }
  sConfigOC.OCMode = TIM_OCMODE_PWM1;
  sConfigOC.Pulse = 0;
  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN TIM3_Init 2 */

  /* USER CODE END TIM3_Init 2 */
  HAL_TIM_MspPostInit(&htim3);

}

/**
  * @brief UART4 Initialization Function
  * @param None
  * @retval None
  */
static void MX_UART4_Init(void)
{

  /* USER CODE BEGIN UART4_Init 0 */

  /* USER CODE END UART4_Init 0 */

  /* USER CODE BEGIN UART4_Init 1 */

  /* USER CODE END UART4_Init 1 */
  huart4.Instance = UART4;
  huart4.Init.BaudRate = 115200;
  huart4.Init.WordLength = UART_WORDLENGTH_8B;
  huart4.Init.StopBits = UART_STOPBITS_1;
  huart4.Init.Parity = UART_PARITY_NONE;
  huart4.Init.Mode = UART_MODE_TX_RX;
  huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart4.Init.OverSampling = UART_OVERSAMPLING_16;
  huart4.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart4.Init.ClockPrescaler = UART_PRESCALER_DIV1;
  huart4.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart4) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetTxFifoThreshold(&huart4, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetRxFifoThreshold(&huart4, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_DisableFifoMode(&huart4) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN UART4_Init 2 */

  /* USER CODE END UART4_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  /* USER CODE BEGIN MX_GPIO_Init_1 */

  /* USER CODE END MX_GPIO_Init_1 */

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOG_CLK_ENABLE();
  __HAL_RCC_GPIOF_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOE_CLK_ENABLE();

  /*Configure GPIO pins : PG2 PG0 PG1 */
  GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_0|GPIO_PIN_1;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

  /*Configure GPIO pin : PE9 */
  GPIO_InitStruct.Pin = GPIO_PIN_9;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

  /* USER CODE BEGIN MX_GPIO_Init_2 */

  /* USER CODE END MX_GPIO_Init_2 */
}

/* USER CODE BEGIN 4 */

/* 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 */
  __disable_irq();
  while (1)
  {
  }
  /* 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,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */