CIU32_L051_M307R/bsp/inc/bsp_adc.h

/*** 
 * @Author: mbw
 * @Date: 2024-09-05 15:04:14
 * @LastEditors: mbw && 1600520629@qq.com
 * @LastEditTime: 2024-09-20 10:59:22
 * @FilePath: \USART1_Interrupt - RT-Thread\bsp\inc\bsp_adc.h
 * @Description: 
 * @
 * @Copyright (c) 2024 by ${git_name_email}, All Rights Reserved. 
 */
#ifndef __BSP_ADC_H__
#define __BSP_ADC_H__

#include "rtthread.h"
// ADC要采集的通道个数
#define NUM_OF_CHANNEL (1U)
// ADC要采集的次数
#define ADC_TIMES       (10U)
#define ADC_BUFFER_SIZE (NUM_OF_CHANNEL * ADC_TIMES)

/***************************12V输入的检测，用来实现掉电检测****************************/

#define VIN_ADC_GPIO_PORT         GPIOA
#define VIN_ADC_GPIO_PIN          GPIO_PIN_4
// #define VIN_ADC_GPIO_CLK_ENABLE()  std_rcc_gpio_clk_enable(RCC_PERIPH_CLK_GPIOA);

#define VIN_ADC_CHANNEL ADC_CHANNEL_3

typedef enum
{
    kVinAdc = 0U,
    // kVbgrAdc
} TeAdcIndex;

// 存储采集的数据
extern rt_uint16_t adc_buffer[ADC_BUFFER_SIZE];

#define VIN_THREAD_STACK_SIZE (512)
#define VIN_THREAD_PRIORITY   (10)
#define VIN_THREAD_TIMESLICE  (20)

#define VIN_VOLTAGE_RATIO     (4.19148936F)
// #define VIN_VOLTAGE_RATIO     (1)
// 不含输入二极管的压降
// (4.7/19.7) * 13V = 3.1V, 3.1/3.3*4096 = 3723
// #define VIN_ADC_HIGH_THRESHOLD (uint16_t)3847 // 13V
// (4.7/19.7) * 10V = 2.39V, 2.39/3.3*4096 = 2966
// #define VIN_ADC_LOW_THRESHOLD (uint16_t)2966 // 10V

 #define VIN_ADC_HIGH_THRESHOLD       (0xFFFU * 7 /8)   /* 模拟看门狗监控电压高阈值 2.625v*/
#define VIN_ADC_LOW_THRESHOLD        (0xFFFU * 2 /3)   /* 模拟看门狗监控电压低阈值 2v*/                        

float Get_VIN_Voltage(void);

rt_uint16_t Get_VIN_VoltageInt1000x(void);


#endif // !__BSP_ADC_H__