nikita teggi / Mbed 2 deprecated merged_code2_3rd_nov_2017

Changes done in ECG and BT

Dependencies:   SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217

Fork of merged_code2_20sept_2017_4th_oct_2017 by nikita teggi

bp.cpp@36:00d96aa14658, 2017-07-29 (annotated)

Committer:
avp2417
Date:
Sat Jul 29 11:23:19 2017 +0000
Revision:
36:00d96aa14658
Parent:
31:0f67acfc6236
Child:
39:69b09bd87502
Added Suhasini's changes related to BP code and increase Bluetooth buffer from 150 samples to 600 Samples into 27th July 2017 code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nidhinvarghese 14:f5c62d30c6fc 1 //-----------------------------------------------NEW BP code starts--------------------------------///
nikitateggi 3:9a06c2bed650 2
nikitateggi 3:9a06c2bed650 3
nidhinvarghese 8:adf2ba7e6412 4
nikitateggi 3:9a06c2bed650 5 #include "mbed.h"
nikitateggi 3:9a06c2bed650 6 #include "MAX30102.h" // BP ADD
nikitateggi 3:9a06c2bed650 7 #include <string.h>
nikitateggi 3:9a06c2bed650 8 #include <stdio.h>
nidhinvarghese 14:f5c62d30c6fc 9
nidhinvarghese 14:f5c62d30c6fc 10 #include <time.h>
nikitateggi 3:9a06c2bed650 11 #include "ds3231.h"
nikitateggi 3:9a06c2bed650 12 #include "SDFileSystem.h"
nikitateggi 3:9a06c2bed650 13 #include "rtc.h"
nikitateggi 3:9a06c2bed650 14 #include "sdcard.h"
nikitateggi 3:9a06c2bed650 15 #include "ec_bp.h"
nikitateggi 3:9a06c2bed650 16 #include "bp.h"
nikitateggi 3:9a06c2bed650 17 #include "display_modules.h"
nikitateggi 3:9a06c2bed650 18
avp2417 36:00d96aa14658 19 FILE *fpecg_bp; // file pointer in place of fpecg- Suhasini- 21/7/17
avp2417 36:00d96aa14658 20 FILE *fpppg1;
nikitateggi 3:9a06c2bed650 21
nidhinvarghese 14:f5c62d30c6fc 22 #include "struct.h"
nidhinvarghese 8:adf2ba7e6412 23
nidhinvarghese 8:adf2ba7e6412 24 using namespace std;
nidhinvarghese 8:adf2ba7e6412 25
nidhinvarghese 14:f5c62d30c6fc 26 Serial bpr(USBTX,USBRX);
nidhinvarghese 8:adf2ba7e6412 27 DigitalIn INTR(PTC7);
nidhinvarghese 8:adf2ba7e6412 28
nidhinvarghese 8:adf2ba7e6412 29 Timer t;
nidhinvarghese 8:adf2ba7e6412 30
nidhinvarghese 14:f5c62d30c6fc 31
avp2417 36:00d96aa14658 32 uint16_t ecgloc = 0; // PPG and eCG maximum locations //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 33 uint16_t ppgloc = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 34 uint16_t ebp = 0; // variable for LOOP operation to read value from File i == ECG , j == PPG
avp2417 36:00d96aa14658 35 uint16_t pbp = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 36
avp2417 36:00d96aa14658 37 void bp(int32_t pid) {
nidhinvarghese 14:f5c62d30c6fc 38
nidhinvarghese 8:adf2ba7e6412 39 uint8_t uch_dummy;
nidhinvarghese 8:adf2ba7e6412 40 uint32_t ppgdata;
nikitateggi 20:7c64e6ecad76 41 uint8_t lead_reg=0;
avp2417 36:00d96aa14658 42 uint32_t concatenate_value2 = 0; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 43 uint8_t chk = 1; //unsigned char to uint8_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 44
nidhinvarghese 14:f5c62d30c6fc 45 //Declaration of Master structure
nidhinvarghese 14:f5c62d30c6fc 46
nidhinvarghese 14:f5c62d30c6fc 47 BLEMsg_info *ptr_BLEMsg_info_bp, BLEMsg_info_bp; // A copy of master strcuture [ "BLEMsg_info" ] by name "BLEMsg_info_bp" is created
nidhinvarghese 14:f5c62d30c6fc 48 ptr_BLEMsg_info_bp = &BLEMsg_info_bp; // *ptr_BLEMsg_info_bp is the pointer to local copy;
nidhinvarghese 14:f5c62d30c6fc 49
nidhinvarghese 14:f5c62d30c6fc 50 // Declaration of Date Structure
nidhinvarghese 14:f5c62d30c6fc 51 DateTime_info *ptr_DateTime_info_bp, DateTime_info_bp; // A copy of Master Structure "DateTime_info" created,
nidhinvarghese 14:f5c62d30c6fc 52 ptr_DateTime_info_bp = &DateTime_info_bp; // Structure pointer points to that copy.
nidhinvarghese 14:f5c62d30c6fc 53
nidhinvarghese 14:f5c62d30c6fc 54
nidhinvarghese 14:f5c62d30c6fc 55 // RTC operations
nidhinvarghese 14:f5c62d30c6fc 56 time_t epoch_time_bp; //A copy of time_t by name epoch_time_bp is created
nidhinvarghese 14:f5c62d30c6fc 57 epoch_time_bp = rtc_read(); // time is got from get epoch function.
nidhinvarghese 14:f5c62d30c6fc 58
nidhinvarghese 14:f5c62d30c6fc 59 struct tm * ptr_time_info_bp, time_info_bp; // Sturucture copy of tm is created
nidhinvarghese 14:f5c62d30c6fc 60 ptr_time_info_bp = localtime(&epoch_time_bp); // Structure accepts the time in local format from "time_t" type.
nidhinvarghese 14:f5c62d30c6fc 61
nidhinvarghese 14:f5c62d30c6fc 62 //BELOW LINE IS TO CHECK Date and TIME
nidhinvarghese 14:f5c62d30c6fc 63 bpr.printf("Time is %d: %d: %d\n", (*ptr_time_info_bp).tm_hour, (*ptr_time_info_bp).tm_min, (*ptr_time_info_bp).tm_sec);
nidhinvarghese 14:f5c62d30c6fc 64 bpr.printf("Date is %d:%d:%d\n", (*ptr_time_info_bp).tm_mday, (*ptr_time_info_bp).tm_mon+1, (*ptr_time_info_bp).tm_year-100);
nidhinvarghese 14:f5c62d30c6fc 65
nidhinvarghese 14:f5c62d30c6fc 66 //Copying from one structure to the other using variables
nidhinvarghese 14:f5c62d30c6fc 67 DateTime_info_bp.hour = (uint8_t)(*ptr_time_info_bp).tm_hour;
nidhinvarghese 14:f5c62d30c6fc 68 DateTime_info_bp.mins = (uint8_t)(*ptr_time_info_bp).tm_min;
nidhinvarghese 14:f5c62d30c6fc 69 DateTime_info_bp.sec = (uint8_t)(*ptr_time_info_bp).tm_sec;
nidhinvarghese 14:f5c62d30c6fc 70
nidhinvarghese 14:f5c62d30c6fc 71 DateTime_info_bp.date = (uint8_t) (*ptr_time_info_bp).tm_mday;
nidhinvarghese 14:f5c62d30c6fc 72 DateTime_info_bp.month =(uint8_t)(*ptr_time_info_bp).tm_mon+1;
nidhinvarghese 14:f5c62d30c6fc 73 DateTime_info_bp.year = (uint8_t)(*ptr_time_info_bp).tm_year-100;
nidhinvarghese 14:f5c62d30c6fc 74
nidhinvarghese 14:f5c62d30c6fc 75 // Copying Time to Main structure
nidhinvarghese 14:f5c62d30c6fc 76 BLEMsg_info_bp.date_time.hour = DateTime_info_bp.hour;
nidhinvarghese 14:f5c62d30c6fc 77 BLEMsg_info_bp.date_time.mins = DateTime_info_bp.mins;
nidhinvarghese 14:f5c62d30c6fc 78 BLEMsg_info_bp.date_time.sec = DateTime_info_bp.sec;
nidhinvarghese 14:f5c62d30c6fc 79
nidhinvarghese 14:f5c62d30c6fc 80 BLEMsg_info_bp.date_time.date = DateTime_info_bp.date ;
nidhinvarghese 14:f5c62d30c6fc 81 BLEMsg_info_bp.date_time.month = DateTime_info_bp.month ;
nidhinvarghese 14:f5c62d30c6fc 82 BLEMsg_info_bp.date_time.year = DateTime_info_bp.year ;
nidhinvarghese 14:f5c62d30c6fc 83
nidhinvarghese 14:f5c62d30c6fc 84
nidhinvarghese 14:f5c62d30c6fc 85 //Checking if the structure has these values
nidhinvarghese 14:f5c62d30c6fc 86 bpr.printf("Time 2 is %d:%d:%d\n", DateTime_info_bp.hour, DateTime_info_bp.mins, DateTime_info_bp.sec);
nidhinvarghese 14:f5c62d30c6fc 87 bpr.printf("\t Date is %d:%d:%d\n",DateTime_info_bp.date, DateTime_info_bp.month, DateTime_info_bp.year);
nidhinvarghese 14:f5c62d30c6fc 88
nidhinvarghese 14:f5c62d30c6fc 89
nidhinvarghese 14:f5c62d30c6fc 90 //Loading values to of Test type
nidhinvarghese 14:f5c62d30c6fc 91 test_type_info test_type_info_bp; // copy of " test_type_info" created
nidhinvarghese 14:f5c62d30c6fc 92 test_type_info_bp = BP_Test; // Loaded value 00 to the test type
nidhinvarghese 14:f5c62d30c6fc 93
nidhinvarghese 14:f5c62d30c6fc 94 BLEMsg_info_bp.test_type = test_type_info_bp;
nidhinvarghese 14:f5c62d30c6fc 95 //Check if 00 is getting printed
nidhinvarghese 14:f5c62d30c6fc 96 bpr.printf("Test Type is : %d\n", test_type_info_bp);
nidhinvarghese 14:f5c62d30c6fc 97
nidhinvarghese 14:f5c62d30c6fc 98
nidhinvarghese 14:f5c62d30c6fc 99 // Loading values of Length , PID, DID, sampling frequency, number of samples, calculated data.
nidhinvarghese 14:f5c62d30c6fc 100 BLEMsg_info_bp.device_id = 01; // Device ID fixed
nidhinvarghese 14:f5c62d30c6fc 101 BLEMsg_info_bp.patient_id = (uint32_t)pid; // Patient ID
nidhinvarghese 14:f5c62d30c6fc 102 BLEMsg_info_bp.sampling_freq = 500; // sampling frrquency
nidhinvarghese 14:f5c62d30c6fc 103 BLEMsg_info_bp.length = 10774; //Total length of data in bytes 22 B+10752 B
nidhinvarghese 14:f5c62d30c6fc 104
nidhinvarghese 14:f5c62d30c6fc 105 BLEMsg_info_bp.num_samples.num_sample_ppg_dummy = 1664 ;// PPG number of samples copied to master struct
nidhinvarghese 14:f5c62d30c6fc 106 BLEMsg_info_bp.num_samples.num_sample_ecg_OTtyp = 1024 ; // ECG number of samples copied to master struct
nidhinvarghese 14:f5c62d30c6fc 107
nidhinvarghese 14:f5c62d30c6fc 108 bpr.baud(baud_rate);
nidhinvarghese 8:adf2ba7e6412 109
nidhinvarghese 8:adf2ba7e6412 110 freqset(); // setting the frequency
nidhinvarghese 8:adf2ba7e6412 111 setupfunc();
nikitateggi 20:7c64e6ecad76 112 lead_reg=ecgsetupfunc(); // lead contact // 14/06
nidhinvarghese 8:adf2ba7e6412 113
nidhinvarghese 8:adf2ba7e6412 114 maxim_max30102_reset(); // PPG reset
nidhinvarghese 8:adf2ba7e6412 115 wait_ms(20);
nidhinvarghese 8:adf2ba7e6412 116 maxim_max30102_init();
nidhinvarghese 8:adf2ba7e6412 117
nidhinvarghese 8:adf2ba7e6412 118 chk = 1;
nidhinvarghese 8:adf2ba7e6412 119 wait(2);
avp2417 36:00d96aa14658 120
avp2417 36:00d96aa14658 121 for(uint16_t i=0; i<500; i++)
nidhinvarghese 8:adf2ba7e6412 122 {
nidhinvarghese 8:adf2ba7e6412 123 concatenate_value2= readvalue();
nidhinvarghese 8:adf2ba7e6412 124
nidhinvarghese 8:adf2ba7e6412 125 maxim_max30102_read_reg(0,&uch_dummy);
nidhinvarghese 8:adf2ba7e6412 126 while(INTR.read()==1);
nidhinvarghese 8:adf2ba7e6412 127 maxim_max30102_read_fifo(&ppgdata);
nidhinvarghese 8:adf2ba7e6412 128
nidhinvarghese 8:adf2ba7e6412 129 }
nikitateggi 20:7c64e6ecad76 130 // BP Finger detect Function Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 131 // START
nikitateggi 20:7c64e6ecad76 132 uint32_t un_max, un_min; // Declare two VARIABLE FOR MAX AND MIN
nikitateggi 20:7c64e6ecad76 133 un_max = 0;
nikitateggi 20:7c64e6ecad76 134 un_min = 0x3FFF;
nikitateggi 20:7c64e6ecad76 135
avp2417 36:00d96aa14658 136 for(uint16_t i=0; i<500; i++) // READS 500 SAMPLES TO SEE MAX AND MIN VAL DIFFERENCE
nikitateggi 20:7c64e6ecad76 137 {
nikitateggi 20:7c64e6ecad76 138 maxim_max30102_read_reg(0,&uch_dummy);
nikitateggi 20:7c64e6ecad76 139 while(INTR.read()==1);
nikitateggi 20:7c64e6ecad76 140 maxim_max30102_read_fifo(&ppgdata);
nikitateggi 21:7ef1b0b40841 141 bpr.printf("%d\n",ppgdata);
nikitateggi 20:7c64e6ecad76 142 if(un_min>ppgdata)
nikitateggi 20:7c64e6ecad76 143 un_min=ppgdata; //update signal min
nikitateggi 20:7c64e6ecad76 144 if(un_max<ppgdata)
nikitateggi 20:7c64e6ecad76 145 un_max=ppgdata;
nikitateggi 20:7c64e6ecad76 146 }
nikitateggi 20:7c64e6ecad76 147
nikitateggi 21:7ef1b0b40841 148 bpr.printf("The max is %d\n", un_max); //
nikitateggi 21:7ef1b0b40841 149 bpr.printf("The min is %d\n", un_min);
nikitateggi 20:7c64e6ecad76 150 if (((un_max -un_min) > 300) && (lead_reg==0)) // Checking for threshold 300 Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 151
nikitateggi 20:7c64e6ecad76 152 { //Added Nidhin 16/6/17
nidhinvarghese 8:adf2ba7e6412 153
nidhinvarghese 14:f5c62d30c6fc 154 sd_open_BPfilee(pid);
nidhinvarghese 8:adf2ba7e6412 155 sd_open_BP_ECGfile(pid) ; // sd_open_BP_ECGfile(123) draft file for testing
nidhinvarghese 8:adf2ba7e6412 156 sd_open_BP_PPGfile(pid) ; // sd_open_BP_PPGfile(123) draft file for testing
nidhinvarghese 8:adf2ba7e6412 157
nidhinvarghese 8:adf2ba7e6412 158 FILE *ecg = NULL;
nidhinvarghese 8:adf2ba7e6412 159 FILE *ppg = NULL;
nidhinvarghese 8:adf2ba7e6412 160
avp2417 36:00d96aa14658 161 for(uint16_t i=0; i<1024; i++) //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 162 {
nidhinvarghese 8:adf2ba7e6412 163 concatenate_value2 = readvalue();
nidhinvarghese 15:208b146151ba 164 ecg = sd_BP_ecgwrite(&concatenate_value2);
nidhinvarghese 14:f5c62d30c6fc 165
nidhinvarghese 8:adf2ba7e6412 166 maxim_max30102_read_reg(0,&uch_dummy);
nidhinvarghese 8:adf2ba7e6412 167 while(INTR.read()==1);
nidhinvarghese 8:adf2ba7e6412 168 maxim_max30102_read_fifo(&ppgdata);
nidhinvarghese 14:f5c62d30c6fc 169 ppg = sd_BP_ppgwrite(&ppgdata); //Change by Nidhin 30/5/2017 Direct writing to SD card.
avp2417 36:00d96aa14658 170 }
avp2417 36:00d96aa14658 171
avp2417 36:00d96aa14658 172 for(uint16_t i=0; i<640; i++) //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 173 {
nidhinvarghese 8:adf2ba7e6412 174 maxim_max30102_read_reg(0,&uch_dummy);
nidhinvarghese 8:adf2ba7e6412 175 while(INTR.read()==1);
nidhinvarghese 8:adf2ba7e6412 176 maxim_max30102_read_fifo(&ppgdata);
nidhinvarghese 14:f5c62d30c6fc 177 ppg = sd_BP_ppgwrite (&ppgdata); //Change by Nidhin 30/5/2017 Direct writing to SD card.
nidhinvarghese 8:adf2ba7e6412 178 }
nidhinvarghese 8:adf2ba7e6412 179
nidhinvarghese 8:adf2ba7e6412 180 fclose(ecg);
nidhinvarghese 8:adf2ba7e6412 181 fclose(ppg);
nidhinvarghese 8:adf2ba7e6412 182
nidhinvarghese 8:adf2ba7e6412 183 maxim_max30102_reset();
nidhinvarghese 8:adf2ba7e6412 184
avp2417 36:00d96aa14658 185 uint16_t eloc = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 186 uint16_t ploc = 0; //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 187
nidhinvarghese 8:adf2ba7e6412 188
nidhinvarghese 8:adf2ba7e6412 189 eloc = sd_BP_ECGMAX(pid); // eloc = sd_BP_ECGMAX(123);
nidhinvarghese 8:adf2ba7e6412 190 ploc = sd_BP_PPGMAX(pid); // ploc = sd_BP_PPGMAX(123);
avp2417 36:00d96aa14658 191 bpr.printf("eloc: %d ploc: %d\n",eloc,ploc);
nidhinvarghese 8:adf2ba7e6412 192
nidhinvarghese 8:adf2ba7e6412 193 float PWV = 0;
avp2417 36:00d96aa14658 194 uint32_t d = 210000; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 195 uint16_t delta_t = 0; //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 196 float SBP = 0;
nidhinvarghese 8:adf2ba7e6412 197 float DBP = 0;
nidhinvarghese 8:adf2ba7e6412 198
nidhinvarghese 8:adf2ba7e6412 199 delta_t = (2*(ploc - eloc));
nidhinvarghese 8:adf2ba7e6412 200 PWV = d/delta_t;
nidhinvarghese 8:adf2ba7e6412 201
nidhinvarghese 8:adf2ba7e6412 202 SBP = 0.0508955*PWV+62.559;
nidhinvarghese 8:adf2ba7e6412 203 DBP = (0.0494*PWV + 17.480)+10;
avp2417 36:00d96aa14658 204 bpr.printf("sbp: %.0f dbp: %.0f\n",SBP,DBP);
nidhinvarghese 14:f5c62d30c6fc 205
nidhinvarghese 14:f5c62d30c6fc 206 BLEMsg_info_bp.cal_data.cal_sbp_dummy = (uint16_t) SBP;
nidhinvarghese 14:f5c62d30c6fc 207 BLEMsg_info_bp.cal_data.cal_dbp_OTtyp = (uint16_t) DBP;
nidhinvarghese 14:f5c62d30c6fc 208
nikitateggi 31:0f67acfc6236 209 if((SBP>190 || SBP<70) && (DBP>100 || DBP<40)) // checking for range below and above and then displaying error
avp2417 36:00d96aa14658 210 {
nikitateggi 31:0f67acfc6236 211 screen_bp_error(); // checking for error out of range- nikita 10-7-17
avp2417 36:00d96aa14658 212 del_ppg_ecg_BPfile(pid); // Copy ECG and PPG data to BP file
avp2417 36:00d96aa14658 213 }
nidhinvarghese 14:f5c62d30c6fc 214
nikitateggi 31:0f67acfc6236 215 else
nikitateggi 31:0f67acfc6236 216 {
nikitateggi 31:0f67acfc6236 217 create_single_BPfile(pid); // Copy ECG and PPG data to BP file
nikitateggi 31:0f67acfc6236 218 structure_file(ptr_BLEMsg_info_bp, pid); // Copy BP structure to main file
avp2417 36:00d96aa14658 219 bpfile_mainfile(pid);
avp2417 36:00d96aa14658 220 screen_bp1(SBP,DBP);
nikitateggi 31:0f67acfc6236 221 }
nikitateggi 20:7c64e6ecad76 222 } //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 223
nikitateggi 20:7c64e6ecad76 224 else //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 225 { //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 226 // Add display sequence for Finger detect fail //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 227 maxim_max30102_reset();
nikitateggi 20:7c64e6ecad76 228 bpr.printf("no finger detect\n");
nikitateggi 20:7c64e6ecad76 229 screen_ecg_lead_bp_fingerdetect();
nikitateggi 20:7c64e6ecad76 230 } //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 231 screen_ecg_bp() ;
avp2417 36:00d96aa14658 232 }
avp2417 36:00d96aa14658 233
avp2417 36:00d96aa14658 234
avp2417 36:00d96aa14658 235 //------------------------------------------
avp2417 36:00d96aa14658 236 //REOPEN FUNCTIONs for reading data Nidhin
avp2417 36:00d96aa14658 237
avp2417 36:00d96aa14658 238 uint16_t sd_BP_ECGMAX(int32_t pid)
avp2417 36:00d96aa14658 239 {
avp2417 36:00d96aa14658 240 uint32_t ecgmax = 0; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 241 uint32_t a[1] = {0}; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 242 uint16_t samplesecg =0; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 243 char buffer1[32];
avp2417 36:00d96aa14658 244
avp2417 36:00d96aa14658 245 sprintf(buffer1,"/sd/%d_BP_ECG.csv",pid);
avp2417 36:00d96aa14658 246 fpecg_bp = fopen(buffer1,"r");
avp2417 36:00d96aa14658 247 if(fpecg_bp == NULL)
avp2417 36:00d96aa14658 248 {
avp2417 36:00d96aa14658 249 exit(1);
avp2417 36:00d96aa14658 250 }
avp2417 36:00d96aa14658 251
avp2417 36:00d96aa14658 252 else
avp2417 36:00d96aa14658 253 {
avp2417 36:00d96aa14658 254 for(ebp=0; ebp<1024; ebp++)
avp2417 36:00d96aa14658 255 {
avp2417 36:00d96aa14658 256
avp2417 36:00d96aa14658 257
avp2417 36:00d96aa14658 258 fread(a,sizeof(uint32_t), 1,fpecg_bp);
avp2417 36:00d96aa14658 259 if(a[0] > ecgmax)
avp2417 36:00d96aa14658 260 {
avp2417 36:00d96aa14658 261 ecgmax=a[0];
avp2417 36:00d96aa14658 262 ecgloc= ebp +1;
avp2417 36:00d96aa14658 263 }
avp2417 36:00d96aa14658 264 else
avp2417 36:00d96aa14658 265 samplesecg =ebp+1;
avp2417 36:00d96aa14658 266 }
avp2417 36:00d96aa14658 267 }
avp2417 36:00d96aa14658 268 fclose (fpecg_bp);
avp2417 36:00d96aa14658 269 return ecgloc;
avp2417 36:00d96aa14658 270 }
avp2417 36:00d96aa14658 271
avp2417 36:00d96aa14658 272 // Function to calculate PPG MAx and location
avp2417 36:00d96aa14658 273
avp2417 36:00d96aa14658 274 uint16_t sd_BP_PPGMAX(int32_t pid) //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 275 {
avp2417 36:00d96aa14658 276 uint32_t ppgmax = 0; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 277 uint32_t b[1] ={0}; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 278 uint16_t samplesppg = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 279 char buffer1[32];
avp2417 36:00d96aa14658 280
avp2417 36:00d96aa14658 281 sprintf(buffer1,"/sd/%d_BP_PPG.csv",pid);
avp2417 36:00d96aa14658 282 fpppg1 = fopen(buffer1,"r");
avp2417 36:00d96aa14658 283 if(fpppg1 == NULL)
avp2417 36:00d96aa14658 284 {
avp2417 36:00d96aa14658 285 exit(1);
avp2417 36:00d96aa14658 286 }
avp2417 36:00d96aa14658 287
avp2417 36:00d96aa14658 288 else
avp2417 36:00d96aa14658 289 {
avp2417 36:00d96aa14658 290 for(pbp=0; pbp<1664; pbp++)
avp2417 36:00d96aa14658 291 {
avp2417 36:00d96aa14658 292 fread(b, sizeof(uint32_t),1, fpppg1);
avp2417 36:00d96aa14658 293
avp2417 36:00d96aa14658 294 if((pbp>ecgloc) && (pbp< (ecgloc+350)))
avp2417 36:00d96aa14658 295 {
avp2417 36:00d96aa14658 296 if(b[0] > ppgmax)
avp2417 36:00d96aa14658 297 {
avp2417 36:00d96aa14658 298 ppgmax=b[0];
avp2417 36:00d96aa14658 299 ppgloc= pbp+1;
avp2417 36:00d96aa14658 300 }
avp2417 36:00d96aa14658 301 else
avp2417 36:00d96aa14658 302 samplesppg =pbp+1;
avp2417 36:00d96aa14658 303 }
avp2417 36:00d96aa14658 304 else
avp2417 36:00d96aa14658 305 samplesppg = pbp+1;
avp2417 36:00d96aa14658 306 }
avp2417 36:00d96aa14658 307 }
avp2417 36:00d96aa14658 308 fclose (fpppg1);
avp2417 36:00d96aa14658 309 return ppgloc;
avp2417 36:00d96aa14658 310 }