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@41:1141a75eacc4, 2017-09-08 (annotated)

Committer:
rashmivenkataramaiah
Date:
Fri Sep 08 10:35:21 2017 +0000
Revision:
41:1141a75eacc4
Parent:
40:f7f351699288
Child:
42:c81673b04b6a
Modified PID tracking; 1	First open the Pid in write mode and then in append mode; 2	PID to increment only after a test is completed; 3	PID stored in SD card;

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
rashmivenkataramaiah 41:1141a75eacc4 19
avp2417 40:f7f351699288 20 #define MAX_SBP_THRESHOLD 300
avp2417 40:f7f351699288 21 #define MAX_DBP_THRESHOLD 300
avp2417 40:f7f351699288 22 #define MIN_SBP_THRESHOLD 40
avp2417 40:f7f351699288 23 #define MIN_DBP_THRESHOLD 40
avp2417 40:f7f351699288 24
avp2417 40:f7f351699288 25
avp2417 36:00d96aa14658 26 FILE *fpecg_bp; // file pointer in place of fpecg- Suhasini- 21/7/17
avp2417 36:00d96aa14658 27 FILE *fpppg1;
nikitateggi 3:9a06c2bed650 28
nidhinvarghese 14:f5c62d30c6fc 29 #include "struct.h"
nidhinvarghese 8:adf2ba7e6412 30
nidhinvarghese 8:adf2ba7e6412 31 using namespace std;
nidhinvarghese 8:adf2ba7e6412 32
nidhinvarghese 14:f5c62d30c6fc 33 Serial bpr(USBTX,USBRX);
nidhinvarghese 8:adf2ba7e6412 34 DigitalIn INTR(PTC7);
nidhinvarghese 8:adf2ba7e6412 35
nidhinvarghese 8:adf2ba7e6412 36 Timer t;
nidhinvarghese 8:adf2ba7e6412 37
nidhinvarghese 14:f5c62d30c6fc 38
avp2417 36:00d96aa14658 39 uint16_t ecgloc = 0; // PPG and eCG maximum locations //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 40 uint16_t ppgloc = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 41 uint16_t ebp = 0; // variable for LOOP operation to read value from File i == ECG , j == PPG
avp2417 36:00d96aa14658 42 uint16_t pbp = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 43
avp2417 36:00d96aa14658 44 void bp(int32_t pid) {
nidhinvarghese 14:f5c62d30c6fc 45
nidhinvarghese 8:adf2ba7e6412 46 uint8_t uch_dummy;
nidhinvarghese 8:adf2ba7e6412 47 uint32_t ppgdata;
nikitateggi 20:7c64e6ecad76 48 uint8_t lead_reg=0;
avp2417 36:00d96aa14658 49 uint32_t concatenate_value2 = 0; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 50 uint8_t chk = 1; //unsigned char to uint8_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 51
nidhinvarghese 14:f5c62d30c6fc 52 //Declaration of Master structure
nidhinvarghese 14:f5c62d30c6fc 53
nidhinvarghese 14:f5c62d30c6fc 54 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 55 ptr_BLEMsg_info_bp = &BLEMsg_info_bp; // *ptr_BLEMsg_info_bp is the pointer to local copy;
nidhinvarghese 14:f5c62d30c6fc 56
nidhinvarghese 14:f5c62d30c6fc 57 // Declaration of Date Structure
nidhinvarghese 14:f5c62d30c6fc 58 DateTime_info *ptr_DateTime_info_bp, DateTime_info_bp; // A copy of Master Structure "DateTime_info" created,
nidhinvarghese 14:f5c62d30c6fc 59 ptr_DateTime_info_bp = &DateTime_info_bp; // Structure pointer points to that copy.
nidhinvarghese 14:f5c62d30c6fc 60
nidhinvarghese 14:f5c62d30c6fc 61
nidhinvarghese 14:f5c62d30c6fc 62 // RTC operations
nidhinvarghese 14:f5c62d30c6fc 63 time_t epoch_time_bp; //A copy of time_t by name epoch_time_bp is created
nidhinvarghese 14:f5c62d30c6fc 64 epoch_time_bp = rtc_read(); // time is got from get epoch function.
nidhinvarghese 14:f5c62d30c6fc 65
nidhinvarghese 14:f5c62d30c6fc 66 struct tm * ptr_time_info_bp, time_info_bp; // Sturucture copy of tm is created
nidhinvarghese 14:f5c62d30c6fc 67 ptr_time_info_bp = localtime(&epoch_time_bp); // Structure accepts the time in local format from "time_t" type.
nidhinvarghese 14:f5c62d30c6fc 68
nidhinvarghese 14:f5c62d30c6fc 69 //BELOW LINE IS TO CHECK Date and TIME
nidhinvarghese 14:f5c62d30c6fc 70 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 71 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 72
nidhinvarghese 14:f5c62d30c6fc 73 //Copying from one structure to the other using variables
nidhinvarghese 14:f5c62d30c6fc 74 DateTime_info_bp.hour = (uint8_t)(*ptr_time_info_bp).tm_hour;
nidhinvarghese 14:f5c62d30c6fc 75 DateTime_info_bp.mins = (uint8_t)(*ptr_time_info_bp).tm_min;
nidhinvarghese 14:f5c62d30c6fc 76 DateTime_info_bp.sec = (uint8_t)(*ptr_time_info_bp).tm_sec;
nidhinvarghese 14:f5c62d30c6fc 77
nidhinvarghese 14:f5c62d30c6fc 78 DateTime_info_bp.date = (uint8_t) (*ptr_time_info_bp).tm_mday;
nidhinvarghese 14:f5c62d30c6fc 79 DateTime_info_bp.month =(uint8_t)(*ptr_time_info_bp).tm_mon+1;
nidhinvarghese 14:f5c62d30c6fc 80 DateTime_info_bp.year = (uint8_t)(*ptr_time_info_bp).tm_year-100;
nidhinvarghese 14:f5c62d30c6fc 81
nidhinvarghese 14:f5c62d30c6fc 82 // Copying Time to Main structure
nidhinvarghese 14:f5c62d30c6fc 83 BLEMsg_info_bp.date_time.hour = DateTime_info_bp.hour;
nidhinvarghese 14:f5c62d30c6fc 84 BLEMsg_info_bp.date_time.mins = DateTime_info_bp.mins;
nidhinvarghese 14:f5c62d30c6fc 85 BLEMsg_info_bp.date_time.sec = DateTime_info_bp.sec;
nidhinvarghese 14:f5c62d30c6fc 86
nidhinvarghese 14:f5c62d30c6fc 87 BLEMsg_info_bp.date_time.date = DateTime_info_bp.date ;
nidhinvarghese 14:f5c62d30c6fc 88 BLEMsg_info_bp.date_time.month = DateTime_info_bp.month ;
nidhinvarghese 14:f5c62d30c6fc 89 BLEMsg_info_bp.date_time.year = DateTime_info_bp.year ;
nidhinvarghese 14:f5c62d30c6fc 90
nidhinvarghese 14:f5c62d30c6fc 91
nidhinvarghese 14:f5c62d30c6fc 92 //Checking if the structure has these values
nidhinvarghese 14:f5c62d30c6fc 93 bpr.printf("Time 2 is %d:%d:%d\n", DateTime_info_bp.hour, DateTime_info_bp.mins, DateTime_info_bp.sec);
nidhinvarghese 14:f5c62d30c6fc 94 bpr.printf("\t Date is %d:%d:%d\n",DateTime_info_bp.date, DateTime_info_bp.month, DateTime_info_bp.year);
nidhinvarghese 14:f5c62d30c6fc 95
nidhinvarghese 14:f5c62d30c6fc 96
nidhinvarghese 14:f5c62d30c6fc 97 //Loading values to of Test type
nidhinvarghese 14:f5c62d30c6fc 98 test_type_info test_type_info_bp; // copy of " test_type_info" created
nidhinvarghese 14:f5c62d30c6fc 99 test_type_info_bp = BP_Test; // Loaded value 00 to the test type
nidhinvarghese 14:f5c62d30c6fc 100
nidhinvarghese 14:f5c62d30c6fc 101 BLEMsg_info_bp.test_type = test_type_info_bp;
nidhinvarghese 14:f5c62d30c6fc 102 //Check if 00 is getting printed
nidhinvarghese 14:f5c62d30c6fc 103 bpr.printf("Test Type is : %d\n", test_type_info_bp);
nidhinvarghese 14:f5c62d30c6fc 104
nidhinvarghese 14:f5c62d30c6fc 105
nidhinvarghese 14:f5c62d30c6fc 106 // Loading values of Length , PID, DID, sampling frequency, number of samples, calculated data.
nikitateggi 39:69b09bd87502 107 BLEMsg_info_bp.device_id = eprom_read_8(12); // Device ID fixed // changed on 11/8/17 nikita
nidhinvarghese 14:f5c62d30c6fc 108 BLEMsg_info_bp.patient_id = (uint32_t)pid; // Patient ID
nidhinvarghese 14:f5c62d30c6fc 109 BLEMsg_info_bp.sampling_freq = 500; // sampling frrquency
nidhinvarghese 14:f5c62d30c6fc 110 BLEMsg_info_bp.length = 10774; //Total length of data in bytes 22 B+10752 B
nidhinvarghese 14:f5c62d30c6fc 111
nidhinvarghese 14:f5c62d30c6fc 112 BLEMsg_info_bp.num_samples.num_sample_ppg_dummy = 1664 ;// PPG number of samples copied to master struct
nidhinvarghese 14:f5c62d30c6fc 113 BLEMsg_info_bp.num_samples.num_sample_ecg_OTtyp = 1024 ; // ECG number of samples copied to master struct
nidhinvarghese 14:f5c62d30c6fc 114
nidhinvarghese 14:f5c62d30c6fc 115 bpr.baud(baud_rate);
nidhinvarghese 8:adf2ba7e6412 116
nidhinvarghese 8:adf2ba7e6412 117 freqset(); // setting the frequency
nidhinvarghese 8:adf2ba7e6412 118 setupfunc();
nikitateggi 20:7c64e6ecad76 119 lead_reg=ecgsetupfunc(); // lead contact // 14/06
nidhinvarghese 8:adf2ba7e6412 120
nidhinvarghese 8:adf2ba7e6412 121 maxim_max30102_reset(); // PPG reset
nidhinvarghese 8:adf2ba7e6412 122 wait_ms(20);
nidhinvarghese 8:adf2ba7e6412 123 maxim_max30102_init();
nidhinvarghese 8:adf2ba7e6412 124
nidhinvarghese 8:adf2ba7e6412 125 chk = 1;
nidhinvarghese 8:adf2ba7e6412 126 wait(2);
avp2417 36:00d96aa14658 127
avp2417 36:00d96aa14658 128 for(uint16_t i=0; i<500; i++)
nidhinvarghese 8:adf2ba7e6412 129 {
nidhinvarghese 8:adf2ba7e6412 130 concatenate_value2= readvalue();
nidhinvarghese 8:adf2ba7e6412 131
nidhinvarghese 8:adf2ba7e6412 132 maxim_max30102_read_reg(0,&uch_dummy);
nidhinvarghese 8:adf2ba7e6412 133 while(INTR.read()==1);
nidhinvarghese 8:adf2ba7e6412 134 maxim_max30102_read_fifo(&ppgdata);
nidhinvarghese 8:adf2ba7e6412 135
nidhinvarghese 8:adf2ba7e6412 136 }
nikitateggi 20:7c64e6ecad76 137 // BP Finger detect Function Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 138 // START
nikitateggi 20:7c64e6ecad76 139 uint32_t un_max, un_min; // Declare two VARIABLE FOR MAX AND MIN
nikitateggi 20:7c64e6ecad76 140 un_max = 0;
nikitateggi 20:7c64e6ecad76 141 un_min = 0x3FFF;
nikitateggi 20:7c64e6ecad76 142
avp2417 36:00d96aa14658 143 for(uint16_t i=0; i<500; i++) // READS 500 SAMPLES TO SEE MAX AND MIN VAL DIFFERENCE
nikitateggi 20:7c64e6ecad76 144 {
nikitateggi 20:7c64e6ecad76 145 maxim_max30102_read_reg(0,&uch_dummy);
nikitateggi 20:7c64e6ecad76 146 while(INTR.read()==1);
nikitateggi 20:7c64e6ecad76 147 maxim_max30102_read_fifo(&ppgdata);
nikitateggi 21:7ef1b0b40841 148 bpr.printf("%d\n",ppgdata);
nikitateggi 20:7c64e6ecad76 149 if(un_min>ppgdata)
nikitateggi 20:7c64e6ecad76 150 un_min=ppgdata; //update signal min
nikitateggi 20:7c64e6ecad76 151 if(un_max<ppgdata)
nikitateggi 20:7c64e6ecad76 152 un_max=ppgdata;
nikitateggi 20:7c64e6ecad76 153 }
nikitateggi 20:7c64e6ecad76 154
nikitateggi 21:7ef1b0b40841 155 bpr.printf("The max is %d\n", un_max); //
nikitateggi 21:7ef1b0b40841 156 bpr.printf("The min is %d\n", un_min);
nikitateggi 20:7c64e6ecad76 157 if (((un_max -un_min) > 300) && (lead_reg==0)) // Checking for threshold 300 Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 158
nikitateggi 20:7c64e6ecad76 159 { //Added Nidhin 16/6/17
nidhinvarghese 8:adf2ba7e6412 160
nidhinvarghese 14:f5c62d30c6fc 161 sd_open_BPfilee(pid);
nidhinvarghese 8:adf2ba7e6412 162 sd_open_BP_ECGfile(pid) ; // sd_open_BP_ECGfile(123) draft file for testing
nidhinvarghese 8:adf2ba7e6412 163 sd_open_BP_PPGfile(pid) ; // sd_open_BP_PPGfile(123) draft file for testing
nidhinvarghese 8:adf2ba7e6412 164
nidhinvarghese 8:adf2ba7e6412 165 FILE *ecg = NULL;
nidhinvarghese 8:adf2ba7e6412 166 FILE *ppg = NULL;
nidhinvarghese 8:adf2ba7e6412 167
avp2417 36:00d96aa14658 168 for(uint16_t i=0; i<1024; i++) //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 169 {
nidhinvarghese 8:adf2ba7e6412 170 concatenate_value2 = readvalue();
nidhinvarghese 15:208b146151ba 171 ecg = sd_BP_ecgwrite(&concatenate_value2);
nidhinvarghese 14:f5c62d30c6fc 172
nidhinvarghese 8:adf2ba7e6412 173 maxim_max30102_read_reg(0,&uch_dummy);
nidhinvarghese 8:adf2ba7e6412 174 while(INTR.read()==1);
nidhinvarghese 8:adf2ba7e6412 175 maxim_max30102_read_fifo(&ppgdata);
nidhinvarghese 14:f5c62d30c6fc 176 ppg = sd_BP_ppgwrite(&ppgdata); //Change by Nidhin 30/5/2017 Direct writing to SD card.
avp2417 36:00d96aa14658 177 }
avp2417 36:00d96aa14658 178
avp2417 36:00d96aa14658 179 for(uint16_t i=0; i<640; i++) //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 180 {
nidhinvarghese 8:adf2ba7e6412 181 maxim_max30102_read_reg(0,&uch_dummy);
nidhinvarghese 8:adf2ba7e6412 182 while(INTR.read()==1);
nidhinvarghese 8:adf2ba7e6412 183 maxim_max30102_read_fifo(&ppgdata);
nidhinvarghese 14:f5c62d30c6fc 184 ppg = sd_BP_ppgwrite (&ppgdata); //Change by Nidhin 30/5/2017 Direct writing to SD card.
nidhinvarghese 8:adf2ba7e6412 185 }
nidhinvarghese 8:adf2ba7e6412 186
nidhinvarghese 8:adf2ba7e6412 187 fclose(ecg);
nidhinvarghese 8:adf2ba7e6412 188 fclose(ppg);
nidhinvarghese 8:adf2ba7e6412 189
nidhinvarghese 8:adf2ba7e6412 190 maxim_max30102_reset();
nidhinvarghese 8:adf2ba7e6412 191
avp2417 36:00d96aa14658 192 uint16_t eloc = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 193 uint16_t ploc = 0; //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 194
nidhinvarghese 8:adf2ba7e6412 195
nidhinvarghese 8:adf2ba7e6412 196 eloc = sd_BP_ECGMAX(pid); // eloc = sd_BP_ECGMAX(123);
nidhinvarghese 8:adf2ba7e6412 197 ploc = sd_BP_PPGMAX(pid); // ploc = sd_BP_PPGMAX(123);
avp2417 36:00d96aa14658 198 bpr.printf("eloc: %d ploc: %d\n",eloc,ploc);
nidhinvarghese 8:adf2ba7e6412 199
nidhinvarghese 8:adf2ba7e6412 200 float PWV = 0;
avp2417 36:00d96aa14658 201 uint32_t d = 210000; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 202 uint16_t delta_t = 0; //int to uint16_t-Suhasini-21stJuly2017
nidhinvarghese 8:adf2ba7e6412 203 float SBP = 0;
nidhinvarghese 8:adf2ba7e6412 204 float DBP = 0;
nidhinvarghese 8:adf2ba7e6412 205
nidhinvarghese 8:adf2ba7e6412 206 delta_t = (2*(ploc - eloc));
nidhinvarghese 8:adf2ba7e6412 207 PWV = d/delta_t;
nidhinvarghese 8:adf2ba7e6412 208
nidhinvarghese 8:adf2ba7e6412 209 SBP = 0.0508955*PWV+62.559;
nidhinvarghese 8:adf2ba7e6412 210 DBP = (0.0494*PWV + 17.480)+10;
avp2417 36:00d96aa14658 211 bpr.printf("sbp: %.0f dbp: %.0f\n",SBP,DBP);
nidhinvarghese 14:f5c62d30c6fc 212
nidhinvarghese 14:f5c62d30c6fc 213 BLEMsg_info_bp.cal_data.cal_sbp_dummy = (uint16_t) SBP;
nidhinvarghese 14:f5c62d30c6fc 214 BLEMsg_info_bp.cal_data.cal_dbp_OTtyp = (uint16_t) DBP;
nidhinvarghese 14:f5c62d30c6fc 215
avp2417 40:f7f351699288 216 if((SBP > MAX_SBP_THRESHOLD || SBP < MIN_SBP_THRESHOLD) && (DBP > MAX_DBP_THRESHOLD || DBP < MIN_SBP_THRESHOLD)) // checking for range below and above and then displaying error
avp2417 36:00d96aa14658 217 {
nikitateggi 31:0f67acfc6236 218 screen_bp_error(); // checking for error out of range- nikita 10-7-17
avp2417 36:00d96aa14658 219 del_ppg_ecg_BPfile(pid); // Copy ECG and PPG data to BP file
nikitateggi 39:69b09bd87502 220 delete_subfiles(pid); //added on 11/8/17 nikita
avp2417 36:00d96aa14658 221 }
nidhinvarghese 14:f5c62d30c6fc 222
nikitateggi 31:0f67acfc6236 223 else
nikitateggi 31:0f67acfc6236 224 {
nikitateggi 31:0f67acfc6236 225 create_single_BPfile(pid); // Copy ECG and PPG data to BP file
nikitateggi 31:0f67acfc6236 226 structure_file(ptr_BLEMsg_info_bp, pid); // Copy BP structure to main file
avp2417 36:00d96aa14658 227 bpfile_mainfile(pid);
rashmivenkataramaiah 41:1141a75eacc4 228 increment_pid (); //increment pid if test is pass
avp2417 36:00d96aa14658 229 screen_bp1(SBP,DBP);
nikitateggi 31:0f67acfc6236 230 }
nikitateggi 20:7c64e6ecad76 231 } //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 232
nikitateggi 20:7c64e6ecad76 233 else //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 234 { //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 235 // Add display sequence for Finger detect fail //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 236 maxim_max30102_reset();
nikitateggi 20:7c64e6ecad76 237 bpr.printf("no finger detect\n");
nikitateggi 20:7c64e6ecad76 238 screen_ecg_lead_bp_fingerdetect();
nikitateggi 20:7c64e6ecad76 239 } //Added Nidhin 16/6/17
nikitateggi 20:7c64e6ecad76 240 screen_ecg_bp() ;
avp2417 36:00d96aa14658 241 }
avp2417 36:00d96aa14658 242
avp2417 36:00d96aa14658 243
avp2417 36:00d96aa14658 244 //------------------------------------------
avp2417 36:00d96aa14658 245 //REOPEN FUNCTIONs for reading data Nidhin
avp2417 36:00d96aa14658 246
avp2417 36:00d96aa14658 247 uint16_t sd_BP_ECGMAX(int32_t pid)
avp2417 36:00d96aa14658 248 {
avp2417 36:00d96aa14658 249 uint32_t ecgmax = 0; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 250 uint32_t a[1] = {0}; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 251 uint16_t samplesecg =0; // changed from int to uint32_t - suhasini - 21/7/17
avp2417 36:00d96aa14658 252 char buffer1[32];
avp2417 36:00d96aa14658 253
avp2417 36:00d96aa14658 254 sprintf(buffer1,"/sd/%d_BP_ECG.csv",pid);
avp2417 36:00d96aa14658 255 fpecg_bp = fopen(buffer1,"r");
avp2417 36:00d96aa14658 256 if(fpecg_bp == NULL)
avp2417 36:00d96aa14658 257 {
avp2417 36:00d96aa14658 258 exit(1);
avp2417 36:00d96aa14658 259 }
avp2417 36:00d96aa14658 260
avp2417 36:00d96aa14658 261 else
avp2417 36:00d96aa14658 262 {
avp2417 36:00d96aa14658 263 for(ebp=0; ebp<1024; ebp++)
avp2417 36:00d96aa14658 264 {
avp2417 36:00d96aa14658 265
avp2417 36:00d96aa14658 266
avp2417 36:00d96aa14658 267 fread(a,sizeof(uint32_t), 1,fpecg_bp);
avp2417 36:00d96aa14658 268 if(a[0] > ecgmax)
avp2417 36:00d96aa14658 269 {
avp2417 36:00d96aa14658 270 ecgmax=a[0];
avp2417 36:00d96aa14658 271 ecgloc= ebp +1;
avp2417 36:00d96aa14658 272 }
avp2417 36:00d96aa14658 273 else
avp2417 36:00d96aa14658 274 samplesecg =ebp+1;
avp2417 36:00d96aa14658 275 }
avp2417 36:00d96aa14658 276 }
avp2417 36:00d96aa14658 277 fclose (fpecg_bp);
avp2417 36:00d96aa14658 278 return ecgloc;
avp2417 36:00d96aa14658 279 }
avp2417 36:00d96aa14658 280
avp2417 36:00d96aa14658 281 // Function to calculate PPG MAx and location
avp2417 36:00d96aa14658 282
avp2417 36:00d96aa14658 283 uint16_t sd_BP_PPGMAX(int32_t pid) //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 284 {
avp2417 36:00d96aa14658 285 uint32_t ppgmax = 0; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 286 uint32_t b[1] ={0}; //int to uint32_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 287 uint16_t samplesppg = 0; //int to uint16_t-Suhasini-21stJuly2017
avp2417 36:00d96aa14658 288 char buffer1[32];
avp2417 36:00d96aa14658 289
avp2417 36:00d96aa14658 290 sprintf(buffer1,"/sd/%d_BP_PPG.csv",pid);
avp2417 36:00d96aa14658 291 fpppg1 = fopen(buffer1,"r");
avp2417 36:00d96aa14658 292 if(fpppg1 == NULL)
avp2417 36:00d96aa14658 293 {
avp2417 36:00d96aa14658 294 exit(1);
avp2417 36:00d96aa14658 295 }
avp2417 36:00d96aa14658 296
avp2417 36:00d96aa14658 297 else
avp2417 36:00d96aa14658 298 {
avp2417 36:00d96aa14658 299 for(pbp=0; pbp<1664; pbp++)
avp2417 36:00d96aa14658 300 {
avp2417 36:00d96aa14658 301 fread(b, sizeof(uint32_t),1, fpppg1);
avp2417 36:00d96aa14658 302
avp2417 36:00d96aa14658 303 if((pbp>ecgloc) && (pbp< (ecgloc+350)))
avp2417 36:00d96aa14658 304 {
avp2417 36:00d96aa14658 305 if(b[0] > ppgmax)
avp2417 36:00d96aa14658 306 {
avp2417 36:00d96aa14658 307 ppgmax=b[0];
avp2417 36:00d96aa14658 308 ppgloc= pbp+1;
avp2417 36:00d96aa14658 309 }
avp2417 36:00d96aa14658 310 else
avp2417 36:00d96aa14658 311 samplesppg =pbp+1;
avp2417 36:00d96aa14658 312 }
avp2417 36:00d96aa14658 313 else
avp2417 36:00d96aa14658 314 samplesppg = pbp+1;
avp2417 36:00d96aa14658 315 }
avp2417 36:00d96aa14658 316 }
avp2417 36:00d96aa14658 317 fclose (fpppg1);
avp2417 36:00d96aa14658 318 return ppgloc;
avp2417 36:00d96aa14658 319 }