mirror of
https://github.com/No-Chicken/Power-Pico.git
synced 2026-04-03 13:02:36 +08:00
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* USER CODE BEGIN Header */
|
||
/**
|
||
******************************************************************************
|
||
* @file adc.h
|
||
* @brief This file contains all the function prototypes for
|
||
* the adc.c file
|
||
******************************************************************************
|
||
* @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 */
|
||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||
#ifndef __ADC_H__
|
||
#define __ADC_H__
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
/* Includes ------------------------------------------------------------------*/
|
||
#include "main.h"
|
||
|
||
/* USER CODE BEGIN Includes */
|
||
|
||
#define ADC_TIMES 100 // 每次采样 100 次 (10ms)
|
||
#define ADC_CHANNELS 5 // 5 通道：电压 + 3 档电流 + REF
|
||
#define PACKET_HEADER_0 0xAA
|
||
#define PACKET_HEADER_1 0x55
|
||
|
||
// Rank1=PA5, Rank2=PA6, Rank3=PA7, Rank4=PB0, Rank5=PB1
|
||
#define IDX_VOL 0
|
||
#define IDX_LOW 1
|
||
#define IDX_MID 2
|
||
#define IDX_HIGH 3
|
||
#define IDX_REF 4
|
||
|
||
// Resistance values in ohms
|
||
#define HIGH_CUR_RES 0.005f // 5 m ohm
|
||
#define MID_CUR_RES 0.5f // 500 m ohm
|
||
#define LOW_CUR_RES 50.0f // 50 ohm
|
||
|
||
// 预先计算标度因子
|
||
#define SCALE_LOW (3.0f / 4096.0f / 50.0f / LOW_CUR_RES * 1000000.0) // uA
|
||
#define SCALE_MID (3.0f / 4096.0f / 50.0f / MID_CUR_RES * 1000000.0) // uA
|
||
#define SCALE_HIGH (3.0f / 4096.0f / 50.0f / HIGH_CUR_RES * 1000000.0) // uA
|
||
|
||
// 量程阈值
|
||
#define THRESH_HIGH 4000-2048 // 对应550uA 50mA
|
||
#define THRESH_LOW 15 // 对应大概450uA 45mA
|
||
// 次数
|
||
#define THRESH_TIMES 8
|
||
|
||
// 监视器更新频率和对应的采样点数量
|
||
#define MONITOR_UPDATE_PERIOD_MS 250
|
||
#define MONITOR_UPDATE_CHUNK_COUNT (MONITOR_UPDATE_PERIOD_MS / 10)
|
||
|
||
/* --- USB 数据包结构 (总长 711 字节) --- */
|
||
#pragma pack(push, 1) // 强制 1 字节对齐
|
||
typedef struct {
|
||
uint8_t header[2]; // 0x55, 0xAA
|
||
uint64_t timestamp; // 64位微秒级时间戳
|
||
uint8_t data_count; // 固定 100
|
||
|
||
struct {
|
||
uint8_t range; // 量程: 0=Low, 1=Mid, 2=High
|
||
uint16_t vol_adc; // 电压
|
||
uint16_t cur_adc; // 电流 (选择后)
|
||
uint16_t ref_adc; // 参考电压
|
||
} samples[ADC_TIMES];
|
||
|
||
} USB_ADC_Packet_t;
|
||
#pragma pack(pop)
|
||
|
||
/* --- 统计监视器结构体 --- */
|
||
typedef struct {
|
||
/* * 累加和使用 64 位整数，防止溢出并保持精度
|
||
* sum_cur_resolution_10na: 用户要求的 uA*100，即分辨率 0.01uA (10nA)
|
||
* sum_vol_mv: 电压为了保持精度累加 mV，Get时再转 V
|
||
*/
|
||
volatile int64_t sum_cur_resolution_10na;
|
||
volatile int64_t sum_vol_mv;
|
||
volatile uint32_t count;
|
||
volatile float avg_vol_v;
|
||
volatile float avg_cur_ua;
|
||
} Data_Monitor_t;
|
||
|
||
// 原始 DMA 缓冲区 [200][5]
|
||
extern uint16_t adc_raw_buffer[ADC_TIMES * 2][ADC_CHANNELS];
|
||
|
||
/* USER CODE END Includes */
|
||
|
||
extern ADC_HandleTypeDef hadc1;
|
||
|
||
/* USER CODE BEGIN Private defines */
|
||
|
||
/* USER CODE END Private defines */
|
||
|
||
void MX_ADC1_Init(void);
|
||
|
||
/* USER CODE BEGIN Prototypes */
|
||
|
||
void Data_Monitor_Get_Values(float *out_vol_v, float *out_cur_ua);
|
||
void Data_Monitor_Clear(void);
|
||
|
||
/* USER CODE END Prototypes */
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /* __ADC_H__ */
|
||
|