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TuxMonkey bc248a88f7 adc
2025-11-20 17:37:07 +08:00

49 lines
1.3 KiB
C

/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : bsp_adc.c
* @brief : bsp adc functions
* @author : TuxMonkey
* @date : 2025/11/22
* @version : v1.0
******************************************************************************
* @attention : Pay attention to enable the adc
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "bsp_adc.h"
#include "adc.h"
/**
* @brief ADC sampling voltage array
*/
__attribute__((section (".AXI_SRAM"))) uint16_t ADC_Voltage_Val[2];
/**
* @brief Configures the ADC.
* @param None
* @retval None
*/
void BSP_ADC_Init(void)
{
HAL_ADCEx_Calibration_Start(&hadc1, ADC_CALIB_OFFSET, ADC_SINGLE_ENDED);
HAL_ADC_Start_DMA(&hadc1, (uint32_t *) ADC_Voltage_Val, 2);
}
//------------------------------------------------------------------------------
/**
* @brief USER get current voltage.
* @param None
* @retval Voltage
*/
float USER_ADC_Voltage_Update(void)
{
auto Voltage = (ADC_Voltage_Val[0] * 3.3f / 65535) * 11.0f;
return Voltage;
}
//------------------------------------------------------------------------------