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@39:69b09bd87502, 2017-08-11 (annotated)

Committer:
nikitateggi
Date:
Fri Aug 11 12:19:25 2017 +0000
Revision:
39:69b09bd87502
Parent:
36:00d96aa14658
Child:
40:f7f351699288
Code used for deployment of POC3 on 11th august 2017.

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>
nikitateggi 39:69b09bd87502 9 #include "eeprom_pgm.h"
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.
nikitateggi 39:69b09bd87502 100 BLEMsg_info_bp.device_id = eprom_read_8(12); // Device ID fixed // changed on 11/8/17 nikita
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
nikitateggi 39:69b09bd87502 213 delete_subfiles(pid); //added on 11/8/17 nikita
avp2417 36:00d96aa14658 214 }
nidhinvarghese 14:f5c62d30c6fc 215
nikitateggi 31:0f67acfc6236 216 else
nikitateggi 31:0f67acfc6236 217 {
nikitateggi 31:0f67acfc6236 218 create_single_BPfile(pid); // Copy ECG and PPG data to BP file
nikitateggi 31:0f67acfc6236 219 structure_file(ptr_BLEMsg_info_bp, pid); // Copy BP structure to main file
avp2417 36:00d96aa14658 220 bpfile_mainfile(pid);
avp2417 36:00d96aa14658 221 screen_bp1(SBP,DBP);
nikitateggi 31:0f67acfc6236 222 }
nikitateggi 20:7c64e6ecad76 223 } //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 224
nikitateggi 20:7c64e6ecad76 225 else //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 226 { //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 227 // Add display sequence for Finger detect fail //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 228 maxim_max30102_reset();
nikitateggi 20:7c64e6ecad76 229 bpr.printf("no finger detect\n");
nikitateggi 20:7c64e6ecad76 230 screen_ecg_lead_bp_fingerdetect();
nikitateggi 20:7c64e6ecad76 231 } //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 232 screen_ecg_bp() ;
avp2417 36:00d96aa14658 233 }
avp2417 36:00d96aa14658 234
avp2417 36:00d96aa14658 235
avp2417 36:00d96aa14658 236 //------------------------------------------
avp2417 36:00d96aa14658 237 //REOPEN FUNCTIONs for reading data Nidhin
avp2417 36:00d96aa14658 238
avp2417 36:00d96aa14658 239 uint16_t sd_BP_ECGMAX(int32_t pid)
avp2417 36:00d96aa14658 240 {
avp2417 36:00d96aa14658 241 uint32_t ecgmax = 0; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 242 uint32_t a[1] = {0}; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 243 uint16_t samplesecg =0; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 244 char buffer1[32];
avp2417 36:00d96aa14658 245
avp2417 36:00d96aa14658 246 sprintf(buffer1,"/sd/%d_BP_ECG.csv",pid);
avp2417 36:00d96aa14658 247 fpecg_bp = fopen(buffer1,"r");
avp2417 36:00d96aa14658 248 if(fpecg_bp == NULL)
avp2417 36:00d96aa14658 249 {
avp2417 36:00d96aa14658 250 exit(1);
avp2417 36:00d96aa14658 251 }
avp2417 36:00d96aa14658 252
avp2417 36:00d96aa14658 253 else
avp2417 36:00d96aa14658 254 {
avp2417 36:00d96aa14658 255 for(ebp=0; ebp<1024; ebp++)
avp2417 36:00d96aa14658 256 {
avp2417 36:00d96aa14658 257
avp2417 36:00d96aa14658 258
avp2417 36:00d96aa14658 259 fread(a,sizeof(uint32_t), 1,fpecg_bp);
avp2417 36:00d96aa14658 260 if(a[0] > ecgmax)
avp2417 36:00d96aa14658 261 {
avp2417 36:00d96aa14658 262 ecgmax=a[0];
avp2417 36:00d96aa14658 263 ecgloc= ebp +1;
avp2417 36:00d96aa14658 264 }
avp2417 36:00d96aa14658 265 else
avp2417 36:00d96aa14658 266 samplesecg =ebp+1;
avp2417 36:00d96aa14658 267 }
avp2417 36:00d96aa14658 268 }
avp2417 36:00d96aa14658 269 fclose (fpecg_bp);
avp2417 36:00d96aa14658 270 return ecgloc;
avp2417 36:00d96aa14658 271 }
avp2417 36:00d96aa14658 272
avp2417 36:00d96aa14658 273 // Function to calculate PPG MAx and location
avp2417 36:00d96aa14658 274
avp2417 36:00d96aa14658 275 uint16_t sd_BP_PPGMAX(int32_t pid) //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 276 {
avp2417 36:00d96aa14658 277 uint32_t ppgmax = 0; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 278 uint32_t b[1] ={0}; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 279 uint16_t samplesppg = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 280 char buffer1[32];
avp2417 36:00d96aa14658 281
avp2417 36:00d96aa14658 282 sprintf(buffer1,"/sd/%d_BP_PPG.csv",pid);
avp2417 36:00d96aa14658 283 fpppg1 = fopen(buffer1,"r");
avp2417 36:00d96aa14658 284 if(fpppg1 == NULL)
avp2417 36:00d96aa14658 285 {
avp2417 36:00d96aa14658 286 exit(1);
avp2417 36:00d96aa14658 287 }
avp2417 36:00d96aa14658 288
avp2417 36:00d96aa14658 289 else
avp2417 36:00d96aa14658 290 {
avp2417 36:00d96aa14658 291 for(pbp=0; pbp<1664; pbp++)
avp2417 36:00d96aa14658 292 {
avp2417 36:00d96aa14658 293 fread(b, sizeof(uint32_t),1, fpppg1);
avp2417 36:00d96aa14658 294
avp2417 36:00d96aa14658 295 if((pbp>ecgloc) && (pbp< (ecgloc+350)))
avp2417 36:00d96aa14658 296 {
avp2417 36:00d96aa14658 297 if(b[0] > ppgmax)
avp2417 36:00d96aa14658 298 {
avp2417 36:00d96aa14658 299 ppgmax=b[0];
avp2417 36:00d96aa14658 300 ppgloc= pbp+1;
avp2417 36:00d96aa14658 301 }
avp2417 36:00d96aa14658 302 else
avp2417 36:00d96aa14658 303 samplesppg =pbp+1;
avp2417 36:00d96aa14658 304 }
avp2417 36:00d96aa14658 305 else
avp2417 36:00d96aa14658 306 samplesppg = pbp+1;
avp2417 36:00d96aa14658 307 }
avp2417 36:00d96aa14658 308 }
avp2417 36:00d96aa14658 309 fclose (fpppg1);
avp2417 36:00d96aa14658 310 return ppgloc;
avp2417 36:00d96aa14658 311 }