165 lines
4.7 KiB
C
165 lines
4.7 KiB
C
/**
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******************************************************************************
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* @file main.c
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* @author fire
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* @version V1.0
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* @date 2019-xx-xx
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* @brief AP3216C 读光照实验
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******************************************************************************
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* @attention
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*
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* 实验平台:野火 STM32 H750 开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************************
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*/
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#include "main.h"
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#include "stm32h7xx.h"
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#include "./usart/bsp_debug_usart.h"
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#include "./led/bsp_led.h"
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#include "./delay/core_delay.h"
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#include "./i2c/bsp_i2c.h"
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#include "./ap3216c/ap3216c.h"
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/**
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* @brief 主函数
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* @param 无
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* @retval 无
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*/
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int main(void)
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{
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/**/
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float ALS = 0.0;
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uint16_t PS = 0;
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uint16_t IR = 0;
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uint8_t IntStatus;
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HAL_Init();
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/* 配置系统时钟为480 MHz */
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SystemClock_Config();
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/* 开启ICache */
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SCB_EnableICache();
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LED_GPIO_Config();
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/* 初始化内核延时 */
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HAL_InitTick(5);
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/*初始化USART 配置模式为 115200 8-N-1，中断接收*/
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DEBUG_USART_Config();
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printf("\r\n 欢迎使用野火 STM32 H750 开发板。\r\n");
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printf("\r\n 这是一个三合一光照传感器测试例程 \r\n");
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printf(" 芯片初始化中.....\n");
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/* 初始化 光照传感器 */
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ap3216c_init();
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while(1)
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{
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IntStatus = ap3216c_get_IntStatus(); // 先读状态位，读ADC数据位会清除状态位（默认设置）
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ALS = ap3216c_read_ambient_light();
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PS = ap3216c_read_ps_data();
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IR = ap3216c_read_ir_data();
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printf("\n光照强度是：%.2fLux\n红外强度是：%d\n", ALS, IR);
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if (PS == 55555) // IR 太强 PS 数据无效
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printf("IR 太强 PS 数据无效\n");
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else
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{
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printf("接近距离是：%d\n", PS & 0x3FF);
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}
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if ((PS >> 15) & 1)
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printf("物体接近\n");
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else
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printf("物体远离\n");
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if (IntStatus & 0x1)
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printf("ALS 产生中断\n");
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if (IntStatus >> 1 & 0x1)
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printf("PS 产生中断\n");
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LED2_TOGGLE;
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HAL_Delay(225);// 最小采样间隔225ms
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}
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}
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/**
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* @brief System Clock 配置
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* system Clock 配置如下:
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 480000000 (CPU Clock)
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* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
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* AHB Prescaler = 2
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* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
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* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
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* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
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* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 5
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* PLL_N = 192
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* PLL_P = 2
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* PLL_Q = 2
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* PLL_R = 2
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* VDD(V) = 3.3
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* Flash Latency(WS) = 4
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* @param None
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* @retval None
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*/
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Supply configuration update enable
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*/
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HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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/** Configure the main internal regulator output voltage
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*/
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
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while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
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/** Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 5;
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RCC_OscInitStruct.PLL.PLLN = 192;
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RCC_OscInitStruct.PLL.PLLP = 2;
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RCC_OscInitStruct.PLL.PLLQ = 2;
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RCC_OscInitStruct.PLL.PLLR = 2;
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RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
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RCC_OscInitStruct.PLL.PLLFRACN = 0;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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}
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/** Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
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|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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}
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}
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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