STM32L05系列單片機ADC功能 hal庫源程序

ID:983213 · 發表于 2022-6-23 10:43

STM32L05系列ADC功能，精確到1毫伏。可以編譯直接用，通過串口1將數據發出，顯示的是實時的電壓值。

單片機源程序如下:

#include "main.h"
#include "adc.h"
#include "usart.h"
#include "gpio.h"
#define led_on HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET);
#define led_off HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_SET);
extern unsigned char flag;
extern unsigned char sec_flag;
uint16_t value;
uint8_t valuel,valueh;
uint16_t dianya;
void SystemClock_Config(void);
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_ADC_Init();
MX_USART1_UART_Init();
CalibrateADC();
HAL_ADC_Start(&hadc);
while (1)
{
value=(HAL_ADC_GetValue(&hadc)-0x1e);
//valueh=(HAL_ADC_GetValue(&hadc)&0xFf00)>>8;/////取得AD轉換結果高8位
//valuel=HAL_ADC_GetValue(&hadc)&0x00ff; //////////取得AD轉換結果低8位
dianya=((uint16_t)value*3300/4096);
if(flag)
{
USART1_Send_Byte(dianya/1000+0x30);
USART1_Send_Byte(0X2E);
USART1_Send_Byte((dianya/100)%10+0x30);
USART1_Send_Byte((dianya/10)%10+0x30);
USART1_Send_Byte(dianya%10+0x30);
USART1_Send_Byte(0X56);
// USART1_Send_Byte(valueh);
//USART1_Send_Byte(valuel);
flag=0;
HAL_ADC_Start(&hadc);
}
if(dianya>=2500) ///電壓大于等于2.5V
{
led_on;
}
else
{
led_off;
}
}
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the CPU, AHB and APB busses clocks
*/
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;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_3;
RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB busses 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_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
}
/* 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 */
/* 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,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

復制代碼

Keil代碼下載 hal庫:

代碼.7z (2.42 MB, 下載次數: 28)

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STM32L05系列單片機ADC功能 hal庫源程序

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