/* 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"
#include "adc.h"
#include "dma.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
define ADC_Number 20
define VREF 3.2
define MCUVREF 3.3
define slop_10A 0.132
define slop_20A 0.066
define slop_25A 0.0528
define slop_30A 0.044
define slop_40A 0.0331
define slop_50A 0.0264
define slop_65A 0.0203
define slop_75A 0.0176
define slop_100A 0.0132
/* 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 */
uint32_t ADC_Data[ADC_Number];
uint32_t ADC_Current,ADC_Temp;
uint8_t i=0;
float Value;
float CURR;
float VTEMP;
float TEMP;
uint32_t ADC_average(uint32_t times);
uint32_t ADC_ReadData(void);
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* 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();
MX_DMA_Init();
MX_ADC1_Init();
/* USER CODE BEGIN 2 */
HAL_ADC_Start_DMA(&hadc1,(uint32_t *)&ADC_Data,ADC_Number);
//// HAL_ADC_PollForConversion(&hadc1,50);//µÈ´ýת>>>>½áÊø
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
//ζÈ
// VTEMP=ADC_Number[1]*MCUVREF/4096.0;
// TEMP = ((VTEMP-1.43)/0.0043)+25.0;
// //µçÁ÷
// ADC_Value=ADC_Number[0];//>>ñȡת>>>>Öµ
// Value=ADC_Number[0]*MCUVREF/4096.0;
// CURR=(Value-VREF/2)/slop_40A;
//20251017-1512
for(i=0,ADC_Current=0,ADC_Temp=0;i<20;i++)
{
ADC_Current+=ADC_Data[i++];
ADC_Temp+=ADC_Data[i++];
}
// //µçÁ÷
// ADC_Value=ADC_Number[0];//>>ñȡת>>>>Öµ
ADC_Current=ADC_Current/10;
Value=ADC_Current*MCUVREF/4096.0;
CURR=(Value-VREF/2)/slop_40A;
//ζÈ
ADC_Temp=ADC_Temp/10;
VTEMP=ADC_Temp*MCUVREF/4096.0;
TEMP = ((VTEMP-1.43)/0.0043)+25.0;
HAL_Delay(50) ;
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
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();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV8;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
uint32_t ADC_ReadData(void)
{
static uint32_t AD_Data;
HAL_ADC_Start_DMA(&hadc1,(uint32_t *)ADC_Number,2);
HAL_ADC_PollForConversion(&hadc1,50);//µÈ´ýת>>>>½áÊø
AD_Data=(uint32_t)HAL_ADC_GetValue(&hadc1);
HAL_ADC_Stop(&hadc1);
HAL_Delay(5);
return AD_Data;
}
uint32_t ADC_average(uint32_t times)
{
uint32_t sum=0,i,adc_average;
for(i=0; i<times; i++)
{
sum+=ADC_ReadData();
}
adc_average=sum/times;
return adc_average;
}
/* 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 */