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7
ESP32/software/.vscode/settings.json
vendored
7
ESP32/software/.vscode/settings.json
vendored
@ -3,10 +3,5 @@
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"board/esp32-wrover-kit-3.3v.cfg"
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],
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"idf.portWin": "COM12",
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"idf.flashType": "UART",
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"files.associations": {
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"main.h": "c",
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"bsp_algcom.h": "c",
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"bsp_mqtt.h": "c"
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}
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"idf.flashType": "UART"
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}
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@ -13,10 +13,4 @@
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```
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Date： 2025年4月22日
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Log : 旧版本体征监测垫程序 ，兼容最新算法
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新建分支
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```
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---
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```
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Date： 2025年5月9日
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Log : 增加相关修正数据 增加窗函数
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```
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File diff suppressed because one or more lines are too long
@ -494,10 +494,6 @@ int MyToolSelectHp(float *hpList, float *ratioList, float *formerHps, uint16_t t
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else
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{
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res = (int)round(loMax);
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if (noZeroCount > 10 && fabs(noZeroAvg - res) > 20)
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res = noZeroAvg;
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if (res < 48)
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res = noZeroAvg;
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}
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if (res == 0)
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@ -19,7 +19,7 @@
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#include "MyAlgorithm.h"
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#include "MyBandFitter.h"
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#define step 0.009775171065493637f
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#define step 0.009775171065493637f
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int outPut_HeartBeat = 0;
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void heartDataPostProcessing(void);
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@ -37,10 +37,6 @@ int count_up_hr = 0, count_down_hr = 0, count_up_hr_m = 0, count_down_hr_m = 0,
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// 数据后处理时计数数据上升与下降次数
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int count_up_br = 0, count_down_br = 0, count_up_br_m = 0, count_down_br_m = 0, count_out_range_br = 0;
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////////////////////////////
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void breathDataPostProcessing(void);
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/**
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* @function:
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@ -746,17 +742,6 @@ void cwt_getBreath_Test(void)
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}
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#include "MyBandFitter.h"
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void apply_hanning_window(float32_t *input, float32_t *output, uint32_t data_len, uint32_t FFT_SIZE)
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{
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// 生成汉宁窗系数并加窗
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for (uint32_t i = 0; i < data_len; i++)
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{
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float32_t window = 0.5f * (1 - cosf(2 * PI * i / (data_len - 1)));
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output[i] = input[i] * window;
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}
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// 补零至FFT_SIZE
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memset(&output[data_len], 0, (FFT_SIZE - data_len) * sizeof(float32_t));
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}
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/**
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* @function: fft_Output
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@ -768,14 +753,13 @@ void apply_hanning_window(float32_t *input, float32_t *output, uint32_t data_len
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#define FFT_POINT 2048
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uint32_t FFT_Size = FFT_POINT;
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float32_t FFT_InPut[FFT_POINT] = {0};
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float32_t FFT_OutPut[(FFT_POINT / 2) + 1] = {0};
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float32_t FFT_OutPut[FFT_POINT] = {0};
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float32_t FFT_OutPut_Real[FFT_POINT] = {0};
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float stash_Ratio[ARRAY_NUMBER] = {0};
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uint16_t fft_HeartBeatCurrentFilter = 0;
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float32_t HeartValueRes2Peaks[4] = {0.0f};
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float32_t FFT_HeartRateRes[2] = {0.0f};
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float32_t Energy_Ratio[4] = {0.0f};
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float32_t fft_Output(float32_t *Input, int Length, char type)
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{
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float32_t FFT_HeartRateVal[2] = {0};
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@ -795,18 +779,22 @@ float32_t fft_Output(float32_t *Input, int Length, char type)
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// printf("\r\n-----------------Start---------------------\n");
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/* 初始化结构体S*/
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arm_rfft_fast_init_f32(&FFT_Struct, FFT_Size);
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apply_hanning_window(Input, FFT_InPut, Length, FFT_Size); // 加hanning窗且补零到2048
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for (int i = 0; i < FFT_POINT; i++)
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{
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if (i < Length)
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FFT_InPut[i] = Input[i];
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else
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FFT_InPut[i] = 0;
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}
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arm_rfft_fast_f32(&FFT_Struct, FFT_InPut, FFT_OutPut_Real, FFT_Dir);
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/* 实数FFT运算*/
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arm_cmplx_mag_f32(FFT_OutPut_Real, FFT_OutPut, (FFT_POINT / 2) + 1);
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// 能量修正（乘以1.63）
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float32_t total_energy = 0.0f;
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for (int i = 0; i < (FFT_Size / 2) + 1; i++)
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{
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FFT_OutPut[i] *= 1.63f; // 能量校准
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total_energy += (FFT_OutPut[i]) * (FFT_OutPut[i]);
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}
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arm_cmplx_mag_f32(FFT_OutPut_Real, FFT_OutPut, FFT_Size);
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// for (int i = 0; i < FFT_POINT / 2; i++)
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// {
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// printf("%f\r\n", FFT_OutPut[i]);
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// }
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// printf("\r\n-----------------End---------------------\n");
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// 偏置的计算 用于加权
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#if 0
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if (type == TYPE_HEART)
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{
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@ -824,17 +812,10 @@ float32_t fft_Output(float32_t *Input, int Length, char type)
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valuePeakNum = peakProcess(FFT_OutPut, 200, maxPeakIndex, maxPeakValue);
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// 对不一样滤波器 进行计算
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if (fft_HeartBeatCurrentFilter == FILTER_HI_TYPE)
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{
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stash_Ratio[0] = maxPeakValue[1] / maxPeakValue[0];
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Energy_Ratio[0] = (maxPeakValue[0] * maxPeakValue[0]) / total_energy;
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Energy_Ratio[1] = (maxPeakValue[1] * maxPeakValue[1]) / total_energy;
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}
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else if (fft_HeartBeatCurrentFilter == FILTER_LO_TYPE)
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{
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stash_Ratio[1] = maxPeakValue[1] / maxPeakValue[0];
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Energy_Ratio[2] = (maxPeakValue[0] * maxPeakValue[0]) / total_energy;
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Energy_Ratio[3] = (maxPeakValue[1] * maxPeakValue[1]) / total_energy;
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}
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FFT_HeartRateVal[0] = (((float32_t)maxPeakIndex[0] * 50.0f) / FFT_POINT) * 60;
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FFT_HeartRateVal[1] = (((float32_t)maxPeakIndex[1] * 50.0f) / FFT_POINT) * 60;
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printf("FFT_HeartRateVal [0] : %f", FFT_HeartRateVal[0]);
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@ -863,8 +844,11 @@ float32_t fft_Output(float32_t *Input, int Length, char type)
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*/
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void fft_heartDataPostProcessing(float32_t data)
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{
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move_update(f_BPM_hr, 5, (data));
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f_BPM_hr[4] -= (f_BPM_hr[4] <= 90) ? 3 : 4; // 固定offset
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move_update(f_BPM_hr, 5, round(data));
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if (f_BPM_hr[4] <= 90)
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f_BPM_hr[4] = f_BPM_hr[4] - 3;
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else
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f_BPM_hr[4] = f_BPM_hr[4] - 4;
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// note: 增加对应的偏置
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#if LINE_COEFF_EN
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if (HeartBeatRate >= 83 && HeartBeatRate <= 110)
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@ -873,37 +857,40 @@ void fft_heartDataPostProcessing(float32_t data)
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;
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#endif
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//========================================================================数据后处理
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memcpy(f_BPM_hr2, f_BPM_hr, sizeof(float) * 4);
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for (int i = 0; i < 4; i++) // 把前4个数据复制出来供后处理分析
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{
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f_BPM_hr2[i] = f_BPM_hr[i];
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}
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if (f_BPM_hr[0] > 0) // 当数据满5个之后开始后处理
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{
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if ((f_BPM_hr[4] - MyToolMidValue(f_BPM_hr2, 4) >= 10) || (f_BPM_hr[4] - f_BPM_hr[3] >= 5)) // 比前4个中位数大12或比前面一个大8????????????????????????????????????????????
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if ((f_BPM_hr[4] - MyToolMidValue(f_BPM_hr2, 4) >= 12) || (f_BPM_hr[4] - f_BPM_hr[3] >= 8)) // 比前4个中位数大7
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{
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count_up_hr += 1; // 判断上升的条件+1,苛刻
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count_up_hr += 1;
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#if FFT_VERSION
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if (count_up_hr >= 12)
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if (count_up_hr >= 10)
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#else
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if (count_up_hr >= 8)
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#endif
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{
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f_BPM_hr[4] = f_BPM_hr[3] + (3 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 3 : (f_BPM_hr[4] - f_BPM_hr[3])); // 最多+3
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f_BPM_hr[4] = f_BPM_hr[3] + (2 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 2 : (f_BPM_hr[4] - f_BPM_hr[3]));
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}
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#if FFT_VERSION
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else if (count_up_hr >= 6)
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else if (count_up_hr >= 5)
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#else
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else if (count_up_hr >= 4)
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#endif
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{
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f_BPM_hr[4] = f_BPM_hr[3] + (2 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 2 : (f_BPM_hr[4] - f_BPM_hr[3])); // 最多+2
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f_BPM_hr[4] = f_BPM_hr[3] + (1 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 1 : (f_BPM_hr[4] - f_BPM_hr[3]));
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}
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else
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{
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f_BPM_hr[4] = f_BPM_hr[3] + 1;
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f_BPM_hr[4] = f_BPM_hr[3];
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}
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count_down_hr = 0;
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count_down_hr_m = 0;
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count_out_range_hr = 0;
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}
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else if ((f_BPM_hr[4] - MyToolMidValue(f_BPM_hr2, 4) <= (-8)) || (f_BPM_hr[4] - f_BPM_hr[3] <= (-6))) // 比前4个中位数小8或比前面一个值小6
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else if ((f_BPM_hr[4] - MyToolMidValue(f_BPM_hr2, 4) <= (-8)) || (f_BPM_hr[4] - f_BPM_hr[3] <= (-6))) // 比前4个中位数小8
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{
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count_down_hr += 1;
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#if FFT_VERSION
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@ -936,20 +923,20 @@ void fft_heartDataPostProcessing(float32_t data)
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{
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count_up_hr_m += 1;
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#if FFT_VERSION
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if (count_up_hr + count_up_hr_m >= 10)
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if (count_down_hr + count_down_hr_m >= 8)
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#else
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if (count_up_hr + count_up_hr_m >= 8)
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if (count_down_hr + count_down_hr_m >= 8)
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#endif
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{
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f_BPM_hr[4] = f_BPM_hr[3] + (2 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 2 : (f_BPM_hr[4] - f_BPM_hr[3])); // 最多+2
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f_BPM_hr[4] = f_BPM_hr[3] + (2 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 2 : (f_BPM_hr[4] - f_BPM_hr[3]));
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}
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#if FFT_VERSION
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else if (count_up_hr_m >= 8)
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else if (count_up_hr_m >= 10)
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#else
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else if (count_up_hr_m >= 8)
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#endif
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{
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f_BPM_hr[4] = f_BPM_hr[3] + (2 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 2 : (f_BPM_hr[4] - f_BPM_hr[3])); // 最多+2
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f_BPM_hr[4] = f_BPM_hr[3] + (2 < (f_BPM_hr[4] - f_BPM_hr[3]) ? 2 : (f_BPM_hr[4] - f_BPM_hr[3]));
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}
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#if FFT_VERSION
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else if (count_up_hr_m >= 2)
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@ -967,18 +954,17 @@ void fft_heartDataPostProcessing(float32_t data)
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count_down_hr = 0;
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count_down_hr_m = 0;
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count_out_range_hr = 0;
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// count_up_hr = 0;
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count_up_hr = 0;
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}
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else if (f_BPM_hr[4] - f_BPM_hr[3] < 0)
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{
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if (f_BPM_hr[4] - f_BPM_hr[3] <= (-3))
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{
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count_down_hr_m += 1;
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#if FFT_VERSION
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if (count_down_hr + count_down_hr_m >= 8)
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if (count_up_hr + count_up_hr_m >= 8)
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#else
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if (count_down_hr + count_down_hr_m >= 8)
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if (count_up_hr + count_up_hr_m >= 8)
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#endif
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{
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f_BPM_hr[4] = f_BPM_hr[3] + ((-2) > (f_BPM_hr[4] - f_BPM_hr[3]) ? (-2) : (f_BPM_hr[4] - f_BPM_hr[3]));
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@ -1017,13 +1003,13 @@ void fft_heartDataPostProcessing(float32_t data)
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f_BPM_hr[4] = 170;
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}
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/**/
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HeartBeatRate = (uint8_t)round(f_BPM_hr[4]);
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HeartBeatRate = f_BPM_hr[4];
|
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// rt_kprintf("------------------- Freq %.6f\r\n", freq_calculated(nf, 0));
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}
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else // 数据没满五个，取平均值,， 且输出值固定在65-75之间
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else
|
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{
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int Count = 0;
|
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float sum = 0.0f, avg = 0.0f;
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float sum, avg = 0.0f;
|
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for (char i = 0; i < 5; i++)
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{
|
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// rt_kprintf("f_BPM_hr[%d] = %f\r\n", i, f_BPM_hr[i]);
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@ -1,6 +1,5 @@
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|
||||
#include "find_peaks.h"
|
||||
#include "MyTool.h"
|
||||
|
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void compute_dynamic_threshold_optimized(const float *data, float *thresholds)
|
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{
|
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@ -68,7 +67,7 @@ PeakResult find_peaks(const float *input)
|
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PeakResult result_struct = {
|
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.peaks = {0}, // 初始化peaks数组全为0
|
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.thresholds = {0.0f}, // 初始化thresholds数组全为0.0f
|
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.count = 0}; // 初始化count为0
|
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.count = 0}; // 初始化count为0
|
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|
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// memset(&result_struct,0,sizeof(result_struct));
|
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float data[DATA_LENGTH] = {0.0f};
|
||||
@ -158,71 +157,3 @@ int time_domain_heart_rate(float *hp_data)
|
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}
|
||||
return hr;
|
||||
}
|
||||
|
||||
//
|
||||
float compute_target_acf(const float *data, int lag, float mean, float total_energy)
|
||||
{
|
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const int N = DATA_LENGTH - lag;
|
||||
if (N <= 0 || total_energy < 1e-6f)
|
||||
return 0.0f;
|
||||
|
||||
float sum_product = 0.0f;
|
||||
for (int i = 0; i < N; i++)
|
||||
{
|
||||
float x = data[i] - mean;
|
||||
float y = data[i + lag] - mean;
|
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sum_product += x * y;
|
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}
|
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return sum_product / total_energy;
|
||||
}
|
||||
// 快速选择心率
|
||||
int fast_select_hr(const float candidates[4], const float *data, float *fft_energy_ratios)
|
||||
{
|
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float32_t std = 0.0f;
|
||||
float32_t avg = 0.0f;
|
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avg = MyToolAvgValue((float32_t *)data, DATA_LENGTH);
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std = MyToolStdValue((float32_t *)data, DATA_LENGTH);
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||||
// 预处理计算均值和总能量
|
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float parsed_data[DATA_LENGTH];
|
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// memset(parsed_data, data, sizeof(float) * DATA_LENGTH);
|
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float mean = 0.0f, total_energy = 0.0f;
|
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for (int i = 0; i < DATA_LENGTH; i++)
|
||||
{
|
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parsed_data[i] = (data[i] - avg) / std;
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mean += parsed_data[i];
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total_energy += parsed_data[i] * parsed_data[i];
|
||||
}
|
||||
mean /= DATA_LENGTH;
|
||||
total_energy -= DATA_LENGTH * mean * mean; // 修正总能量
|
||||
// 遍历候选心率
|
||||
float max_score = -1.0f;
|
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int selected_idx = -1;
|
||||
float temp = 0.0f;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
const float hr = (i < 2) ? candidates[i] / 2 : candidates[i];
|
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// 转换候选心率为lag值
|
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int target_lag = (int)(50 * 60.0f / hr + 0.5f);
|
||||
if (target_lag <= 0 || target_lag >= DATA_LENGTH / 2)
|
||||
continue;
|
||||
// 局部窗口ACF峰值检测
|
||||
float acf_peak = -1.0f;
|
||||
int search_radius = 1;
|
||||
for (int offset = 0; offset <= search_radius; offset++)
|
||||
{
|
||||
int current_lag = target_lag + offset;
|
||||
if (current_lag < 1 || current_lag >= DATA_LENGTH - 1)
|
||||
continue;
|
||||
float acf_val = compute_target_acf(parsed_data, current_lag, mean, total_energy);
|
||||
acf_peak = fmax(acf_peak, acf_val);
|
||||
}
|
||||
// 综合评分（网页6的加权策略）
|
||||
float score = 0.7f * acf_peak + 0.3f * fft_energy_ratios[i];
|
||||
if (score > max_score)
|
||||
{
|
||||
max_score = score;
|
||||
selected_idx = i;
|
||||
}
|
||||
}
|
||||
return selected_idx;
|
||||
}
|
||||
@ -24,6 +24,5 @@ typedef struct {
|
||||
|
||||
|
||||
int time_domain_heart_rate(float* hp_data);
|
||||
int fast_select_hr(const float candidates[4], const float *data, float *fft_energy_ratios);
|
||||
|
||||
#endif // FIND_PEAKS_H
|
||||
File diff suppressed because it is too large
Load Diff
Binary file not shown.
@ -1048,7 +1048,6 @@ extern char i_count_off_bed;
|
||||
extern char i_count_no_human;
|
||||
extern char i_count_No_Breath;
|
||||
extern float Diff_detail_Record;
|
||||
extern uint16_t EnergyData;
|
||||
extern uint16_t FiveMinutesCount;
|
||||
extern uint16_t fft_HeartBeatRate_Result;
|
||||
extern uint16_t time_HeartBeatRate_Result;
|
||||
@ -1089,14 +1088,17 @@ void wifi_RealTime_log_send(char *MyStr)
|
||||
\"bootResult\": %d,\"log\":\"%s\",\"Diff_detail_Record\": %f,\"ADC_Value\": %.4f,\"Channel_1310\": %d,\"i_count_no\": %d,\"i_count_off_bed\": %d,\
|
||||
\"i_count_No_Breath\": %d,\"i_count_max\": %f,\"FFT_br\": %f,\"Diff\": %f,\"Diff_Detail\": %f,\"OPM\": %f,\"OPM_Record\": %f,\"OPM_Record_2\": %f,\
|
||||
\"OPM_Origin\": %f,\"Ratio[0]\": %f,\"Ratio[1]\": %f,\"Peak[0]\": %f,\"Peak[1]\": %f,\"Peak[2]\": %f,\"Peak[3]\": %f,\"HR_result\": %d,\"time_result\": %d,\
|
||||
\"EnergyData\": %d}",
|
||||
\"Optical\": [",
|
||||
UploadVersion, BuildTimeString,
|
||||
(timeClockCount_Send + (((signed char)warning_config.timeZone) * 60 * 60 * 1000)), timeClockCount_Send, bootResult,
|
||||
MyStr, (float)Diff_detail_Record, ADC_1310, channel_1310, i_count_no_human, i_count_off_bed, i_count_No_Breath, (float)i_count_Max,
|
||||
(float)FFT_br, (float)Diff, (float)Diff_Detail, (float)OPM_Current, (float)OPM_Record, (float)OPM_Record_2, (float)OPM_Original,
|
||||
(float)(stash_Ratio[0]), (float)(stash_Ratio[1]), (float)(HeartValueRes2Peaks[0]), (float)(HeartValueRes2Peaks[1]),
|
||||
(float)(HeartValueRes2Peaks[2]), (float)(HeartValueRes2Peaks[3]), fft_HeartBeatRate_Result, time_HeartBeatRate_Result, EnergyData);
|
||||
length = strlen(JsonOutputBuffer) + strlen(array);
|
||||
(float)(HeartValueRes2Peaks[2]), (float)(HeartValueRes2Peaks[3]), fft_HeartBeatRate_Result, time_HeartBeatRate_Result);
|
||||
length = strlen(JsonOutputBuffer) + strlen(array) + 2;
|
||||
// strcat(JsonOutputBuffer, array);
|
||||
// printf("Length 2 = %d\n", length);
|
||||
strcat(JsonOutputBuffer, "]}");
|
||||
}
|
||||
// printf("%d JSON OUTPUT: %s \n", length, JsonOutputBuffer);
|
||||
str[0] = 0XA5;
|
||||
|
||||
@ -123,7 +123,6 @@ extern char FitterCollectDoneFlag_Breath;
|
||||
extern char FitterCollectDoneFlag_CheckBed;
|
||||
|
||||
extern char WarnConfigDoneFlag;
|
||||
extern float32_t Energy_Ratio[4];
|
||||
extern warning_config_t warning_config;
|
||||
|
||||
WarningMsg_t WarningMsg; // 告警消息
|
||||
@ -873,7 +872,6 @@ float KalmarFilter(float inData)
|
||||
* @return {*}
|
||||
* @author: lzc
|
||||
*/
|
||||
uint16_t EnergyData = 0;
|
||||
uint16_t Chip_ID_Data = 0;
|
||||
uint16_t fft_HeartBeatRate_Hi = 0;
|
||||
uint16_t fft_HeartBeatRate_Lo = 0;
|
||||
@ -898,7 +896,6 @@ int main(void)
|
||||
struct tm *time;
|
||||
time_t timestamp = 0; /* 时间戳 */
|
||||
char Send_Once = 1;
|
||||
int EnergyIndex = 0;
|
||||
int ReSendStartCommand_Count = 0;
|
||||
MattressParameterInit(); // 床垫 初始化
|
||||
// 初始化IIC
|
||||
@ -1012,6 +1009,16 @@ int main(void)
|
||||
if (start_calculate_flg == 1)
|
||||
{
|
||||
start_calculate_flg = 0;
|
||||
//------------------------------ 算法验证 ---------------------------------------//
|
||||
/*
|
||||
printf("\n--------------------- Start --------------------------------\n");
|
||||
fft_heartDataPostProcessing(round(fft_Output(outPutFitterOPMData_Heart,
|
||||
HEART_FITTER_LENGTH - HEART_IGNORE_LENGTH, TYPE_HEART)));
|
||||
fft_breathDataPostProcessing(round(fft_Output(outPutFitterOPMData_Breath,
|
||||
BREATH_FITTER_LENGTH - BREATH_IGNORE_LENGTH, TYPE_BREATH)));
|
||||
printf("Heart Rate: %d Breath Rate: %d\n", HeartBeatRate, BreathRate);
|
||||
printf("\n--------------------- End --------------------------------\n");
|
||||
*/
|
||||
//------------------------------ FFT算法 ---------------------------------------//
|
||||
if (equipment_status_value == InBed_Status)
|
||||
{
|
||||
|
||||
@ -32,7 +32,7 @@
|
||||
#include "system_stm32f4xx.h"
|
||||
|
||||
// 1 表示是 养老 ； 0 表示 是BCS
|
||||
#define THE_VERSION 0
|
||||
#define THE_VERSION 1
|
||||
|
||||
// 1 表示是 提速 ； 0 表示 正常
|
||||
#define SPEED_UP_MODE_EN 0
|
||||
|
||||
File diff suppressed because one or more lines are too long
@ -390,11 +390,6 @@
|
||||
<WinNumber>1</WinNumber>
|
||||
<ItemText>BreathRate</ItemText>
|
||||
</Ww>
|
||||
<Ww>
|
||||
<count>46</count>
|
||||
<WinNumber>1</WinNumber>
|
||||
<ItemText>FFT_HeartRateVal</ItemText>
|
||||
</Ww>
|
||||
</WatchWindow1>
|
||||
<WatchWindow2>
|
||||
<Ww>
|
||||
@ -608,7 +603,7 @@
|
||||
|
||||
<Group>
|
||||
<GroupName>USER</GroupName>
|
||||
<tvExp>0</tvExp>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<cbSel>0</cbSel>
|
||||
<RteFlg>0</RteFlg>
|
||||
@ -896,7 +891,7 @@
|
||||
|
||||
<Group>
|
||||
<GroupName>Application</GroupName>
|
||||
<tvExp>1</tvExp>
|
||||
<tvExp>0</tvExp>
|
||||
<tvExpOptDlg>0</tvExpOptDlg>
|
||||
<cbSel>0</cbSel>
|
||||
<RteFlg>0</RteFlg>
|
||||
|
||||
File diff suppressed because one or more lines are too long
Loading…
Reference in New Issue
Block a user