STM32H750XB_RT-THREAD/29-ADC电压采集/ADC—独立模式-多通道—DMA/User/main.c

/**
  ******************************************************************
  * @file    main.c
  * @author  fire
  * @version V1.0
  * @date    2019-xx-xx
  * @brief   ADC-<EFBFBD>ɼ<EFBFBD>
  ******************************************************************
  * @attention
  *
  * ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H750<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
  * <EFBFBD><EFBFBD>̳    :http://www.firebbs.cn
  * <EFBFBD>Ա<EFBFBD>    :http://firestm32.taobao.com
  *
  ******************************************************************
  */  
#include "stm32h7xx.h"
#include "main.h"
#include "./usart/bsp_debug_usart.h"
#include "./adc/bsp_adc.h"
  
#include "./delay/core_delay.h"  

extern uint16_t ADC_ConvertedValue[4];
float ADC_vol[4];

//<2F>򵥵<EFBFBD><F2B5A5B5><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
static void Delay(__IO uint32_t nCount)	 
{
	for(; nCount != 0; nCount--);
}
/**
  * @brief  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
int main(void)
{
  
	/* ϵͳʱ<CDB3>ӳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>480MHz */
	SystemClock_Config();
  
  /* Ĭ<>ϲ<EFBFBD><CFB2><EFBFBD><EFBFBD><EFBFBD> MPU<50><55><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MPU <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9> 
   DMA ʱ<EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD> Cache <EFBFBD><EFBFBD> <EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬
   <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽̵̳<EFBFBD> MPU <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD> */
//  Board_MPU_Config(0, MPU_Normal_WT, 0xD0000000, MPU_32MB);
//  Board_MPU_Config(1, MPU_Normal_WT, 0x24000000, MPU_512KB);
  
  SCB_EnableICache();    // ʹ<><CAB9>ָ<EFBFBD><D6B8> Cache
//  SCB_EnableDCache();    // ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Cache

	/* <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>1Ϊ<31><CEAA>115200 8-N-1 */
	DEBUG_USART_Config();
  
  /* ADC<44><43>ʼ<EFBFBD><CABC><EFBFBD>ӳ<EFBFBD><D3B3><EFBFBD> */ 
  ADC_Init();
  
  while(1)
	{	
		ADC_vol[0] =(float) ADC_ConvertedValue[0]/65536*(float)3.3;
		ADC_vol[1] =(float) ADC_ConvertedValue[1]/65536*(float)3.3;
		ADC_vol[2] =(float) ADC_ConvertedValue[2]/65536*(float)3.3;
		ADC_vol[3] =(float) ADC_ConvertedValue[3]/65536*(float)3.3;
    
		printf("\r\n CH1_PA4 value = %f V \r\n",ADC_vol[0]);
		printf("\r\n CH2_PA5 value = %f V \r\n",ADC_vol[1]);
		printf("\r\n CH3_PA6 value = %f V \r\n",ADC_vol[2]);
		printf("\r\n CH3_PA7 value = %f V \r\n",ADC_vol[3]);
    
		printf("\r\n\r\n");
		Delay(0xffffff);  
	}  
}

/**
  * @brief  System Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  *         system Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 
	*            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  120MHz)
	*            D2 APB1 Prescaler    = 2 (APB1 Clock  120MHz)
	*            D2 APB2 Prescaler    = 2 (APB2 Clock  120MHz)
	*            D3 APB4 Prescaler    = 2 (APB4 Clock  120MHz)
	*            HSE Frequency(Hz)    = 25000000
	*            PLL_M                = 5
	*            PLL_N                = 192
	*            PLL_P                = 2
	*            PLL_Q                = 4
	*            PLL_R                = 2
	*            VDD(V)               = 3.3
	*            Flash Latency(WS)    = 4
  * @param  None
  * @retval None`
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
 
  /** <20><><EFBFBD>õ<EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ø<EFBFBD><C3B8><EFBFBD>
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
  /** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
 
  /* <20><><EFBFBD><EFBFBD>HSE<53><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>HSE<53><45>ΪԴ<CEAA><D4B4><EFBFBD><EFBFBD>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 = 192;
  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;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    while(1) { ; }
  }
  
	/* ѡ<><D1A1>PLL<4C><4C>Ϊϵͳʱ<CDB3><CAB1>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӷ<EFBFBD>Ƶ<EFBFBD><C6B5> */
  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; 
  if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    while(1) { ; }
  }
}
/****************************END OF FILE***************************/