/**
  ******************************************************************************
  * @file    main.c
  * @author  fire
  * @version V1.0
  * @date    2019-xx-xx
  * @brief   AP3216C 读光照实验
  ******************************************************************************
  * @attention
  *
  * 实验平台:野火 STM32 H750 开发板 
  * 论坛    :http://www.firebbs.cn
  * 淘宝    :http://firestm32.taobao.com
  *
  ******************************************************************************
  */

#include "main.h"
#include "stm32h7xx.h"
#include "./usart/bsp_debug_usart.h"
#include "./led/bsp_led.h"
#include "./delay/core_delay.h" 
#include "./i2c/bsp_i2c.h"
#include "./ap3216c/ap3216c.h"

/**
  * @brief  主函数
  * @param  无
  * @retval 无
  */
int main(void)
{
  /**/
  float ALS = 0.0;
  uint16_t PS = 0;
  uint16_t IR = 0;
  uint8_t IntStatus;
  
  HAL_Init();        
  /* 配置系统时钟为480 MHz */ 
  SystemClock_Config();
  /* 开启ICache */ 
  SCB_EnableICache();
  
  LED_GPIO_Config();
  /* 初始化内核延时 */
  HAL_InitTick(5);
  /*初始化USART 配置模式为 115200 8-N-1，中断接收*/
  DEBUG_USART_Config();
  
  printf("\r\n 欢迎使用野火 STM32 H750 开发板。\r\n");	
  printf("\r\n 这是一个三合一光照传感器测试例程 \r\n");
  
  printf(" 芯片初始化中.....\n");
  /* 初始化 光照传感器 */
  ap3216c_init();

  while(1)    
  {
    IntStatus = ap3216c_get_IntStatus();    // 先读状态位，读ADC数据位会清除状态位（默认设置）
    ALS = ap3216c_read_ambient_light();
    PS = ap3216c_read_ps_data();
    IR = ap3216c_read_ir_data();

    printf("\n光照强度是：%.2fLux\n红外强度是：%d\n", ALS, IR);

    if (PS == 55555)    // IR 太强 PS 数据无效
      printf("IR 太强 PS 数据无效\n");
    else
    {
      printf("接近距离是：%d\n", PS & 0x3FF);
    }
    
    if ((PS >> 15) & 1)
      printf("物体接近\n");
    else
      printf("物体远离\n");
    
    if (IntStatus & 0x1)
      printf("ALS 产生中断\n");
    
    if (IntStatus >> 1 & 0x1)
      printf("PS 产生中断\n");
    LED2_TOGGLE;
    HAL_Delay(225);// 最小采样间隔225ms
  }
}



/**
  * @brief  System Clock 配置
  *         system Clock 配置如下: 
	*            System Clock source  = PLL (HSE)
	*            SYSCLK(Hz)           = 480000000 (CPU Clock)
	*            HCLK(Hz)             = 240000000 (AXI and AHBs Clock)
	*            AHB Prescaler        = 2
	*            D1 APB3 Prescaler    = 2 (APB3 Clock  100MHz)
	*            D2 APB1 Prescaler    = 2 (APB1 Clock  100MHz)
	*            D2 APB2 Prescaler    = 2 (APB2 Clock  100MHz)
	*            D3 APB4 Prescaler    = 2 (APB4 Clock  100MHz)
	*            HSE Frequency(Hz)    = 25000000
	*            PLL_M                = 5
	*            PLL_N                = 160
	*            PLL_P                = 2
	*            PLL_Q                = 4
	*            PLL_R                = 2
	*            VDD(V)               = 3.3
	*            Flash Latency(WS)    = 4
  * @param  None
  * @retval None
  */
static void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;
  HAL_StatusTypeDef ret = HAL_OK;
  
  /*使能供电配置更新 */
  MODIFY_REG(PWR->CR3, PWR_CR3_SCUEN, 0);

  /* 当器件的时钟频率低于最大系统频率时，电压调节可以优化功耗，
		 关于系统频率的电压调节值的更新可以参考产品数据手册。  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
 
  /* 启用HSE振荡器并使用HSE作为源激活PLL */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
  RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

  RCC_OscInitStruct.PLL.PLLM = 5;
  RCC_OscInitStruct.PLL.PLLN = 160;
  RCC_OscInitStruct.PLL.PLLP = 2;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
 
  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
  ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
  
	/* 选择PLL作为系统时钟源并配置总线时钟分频器 */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK  | \
																 RCC_CLOCKTYPE_HCLK    | \
																 RCC_CLOCKTYPE_D1PCLK1 | \
																 RCC_CLOCKTYPE_PCLK1   | \
                                 RCC_CLOCKTYPE_PCLK2   | \
																 RCC_CLOCKTYPE_D3PCLK1);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;  
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2; 
  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2; 
  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2; 
  ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
}

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/