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

bt.cpp@27:907f8ce0025e, 2017-07-08 (annotated)

Committer:
nikitateggi
Date:
Sat Jul 08 04:19:45 2017 +0000
Revision:
27:907f8ce0025e
Parent:
24:d992ee8369f4
Child:
28:65f2d80b7eb7
with file_track bluetooth

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nikitateggi 22:ffa88619551d 1
nikitateggi 19:1650bbc923cc 2 #include "mbed.h"
nikitateggi 19:1650bbc923cc 3 #include "sdcard.h"
nikitateggi 19:1650bbc923cc 4 #include "struct.h"
nikitateggi 22:ffa88619551d 5 #define ACK 0x00 /// changed //16/06 #define all the values removing structure
nikitateggi 22:ffa88619551d 6 #define start_of_file 0x01
nikitateggi 22:ffa88619551d 7 #define end_of_file 0x02
nikitateggi 22:ffa88619551d 8 #define data_trfr 0x03
nikitateggi 22:ffa88619551d 9 #define NACK 0xFF
nikitateggi 22:ffa88619551d 10 #define sos 0xc0
nikitateggi 22:ffa88619551d 11 #define eos 0xc0
nikitateggi 27:907f8ce0025e 12 #define no_of_samples 1500
nikitateggi 27:907f8ce0025e 13 #include "eeprom_pgm.h"
nikitateggi 22:ffa88619551d 14 //#define len 6000
nikitateggi 19:1650bbc923cc 15
nikitateggi 22:ffa88619551d 16 BLEMsg_info *bt_file;
nikitateggi 22:ffa88619551d 17 Point *myBleMsg;
nikitateggi 27:907f8ce0025e 18
nikitateggi 27:907f8ce0025e 19 Serial mc(USBTX,USBRX); // serial terminal
nikitateggi 27:907f8ce0025e 20 Serial blue(PTC4,PTC3); // communicating bluetooth through serial
nikitateggi 27:907f8ce0025e 21
nikitateggi 19:1650bbc923cc 22 uint32_t total_samples=0; // variable to hold total number of samples
nikitateggi 19:1650bbc923cc 23 uint8_t ack_rx; // varibale to receive ack from the bluetooth
nikitateggi 19:1650bbc923cc 24 Point b; // structure copy
nikitateggi 19:1650bbc923cc 25 BLEMsg_info bt_file1; // structure copy
nikitateggi 27:907f8ce0025e 26 uint32_t total_file_size=0; // to determine the size of the file
nikitateggi 27:907f8ce0025e 27 uint32_t total_file_read=0;
nikitateggi 22:ffa88619551d 28 uint32_t file_start=0; // variable for 'for loop'
nikitateggi 19:1650bbc923cc 29 uint32_t j=0;
nikitateggi 27:907f8ce0025e 30 uint8_t count_send=0;
nikitateggi 19:1650bbc923cc 31 uint32_t file_pointer_position=0;
nikitateggi 27:907f8ce0025e 32 int32_t bt_file_tosend=0; // file to send on bluetooth
nikitateggi 27:907f8ce0025e 33 int32_t current_file=0; // file of the test done for the current pid
nikitateggi 27:907f8ce0025e 34 uint32_t counter=0;
nikitateggi 27:907f8ce0025e 35 uint8_t file=0;
nikitateggi 19:1650bbc923cc 36
nikitateggi 19:1650bbc923cc 37
nikitateggi 19:1650bbc923cc 38 uint8_t bt_send(uint8_t state_tx)
nikitateggi 19:1650bbc923cc 39 {
nikitateggi 27:907f8ce0025e 40 uint32_t v1[no_of_samples];
nikitateggi 24:d992ee8369f4 41 blue.baud(115200); // baud rate of bluetooth
nikitateggi 19:1650bbc923cc 42 bt_file=&bt_file1;
nikitateggi 19:1650bbc923cc 43 myBleMsg=&b;
nikitateggi 22:ffa88619551d 44 int8_t check_sum=0;
nikitateggi 27:907f8ce0025e 45 uint8_t state_rx =0;
nikitateggi 27:907f8ce0025e 46
nikitateggi 27:907f8ce0025e 47
nikitateggi 27:907f8ce0025e 48
nikitateggi 19:1650bbc923cc 49
nikitateggi 19:1650bbc923cc 50
nikitateggi 19:1650bbc923cc 51 switch(state_tx)
nikitateggi 19:1650bbc923cc 52 {
nikitateggi 19:1650bbc923cc 53
nikitateggi 27:907f8ce0025e 54 case 1:
nikitateggi 27:907f8ce0025e 55 //blue.printf("\n");
nikitateggi 27:907f8ce0025e 56 state_tx =0;
nikitateggi 27:907f8ce0025e 57 counter=0;
nikitateggi 27:907f8ce0025e 58 total_file_read=0;
nikitateggi 27:907f8ce0025e 59 file_start=0;
nikitateggi 27:907f8ce0025e 60 j=0; count_send=0; total_samples=0;
nikitateggi 27:907f8ce0025e 61 file_pointer_position=0;
nikitateggi 27:907f8ce0025e 62 bt_file_tosend=eprom_read(6); // reading the file number(pid) from eeprom which has to be sent to bluetooth
nikitateggi 27:907f8ce0025e 63 current_file=eprom_read(1);
nikitateggi 27:907f8ce0025e 64 bt_file_tosend=bt_file_tosend+1;
nikitateggi 27:907f8ce0025e 65 eprom_write(6,bt_file_tosend); // read the current pid
nikitateggi 27:907f8ce0025e 66 mc.printf("eeprom file=%d",bt_file_tosend);
nikitateggi 27:907f8ce0025e 67 mc.printf("currentfile=%d",current_file);
nikitateggi 27:907f8ce0025e 68 if (bt_file_tosend>current_file) // if the file sent to bluetooth and current file are same,
nikitateggi 27:907f8ce0025e 69 { // then there is no new file to send
nikitateggi 27:907f8ce0025e 70 state_rx =6;
nikitateggi 27:907f8ce0025e 71 }
nikitateggi 27:907f8ce0025e 72 else
nikitateggi 27:907f8ce0025e 73 {
nikitateggi 27:907f8ce0025e 74 file=sd_open_read(bt_file_tosend);
nikitateggi 27:907f8ce0025e 75 if(file==0)
nikitateggi 27:907f8ce0025e 76 {
nikitateggi 27:907f8ce0025e 77 state_tx =6;
nikitateggi 27:907f8ce0025e 78 }
nikitateggi 27:907f8ce0025e 79 else
nikitateggi 27:907f8ce0025e 80 {
nikitateggi 27:907f8ce0025e 81 sendinit();
nikitateggi 27:907f8ce0025e 82 total_file_size=file_size() ; // determined the file size
nikitateggi 27:907f8ce0025e 83 state_rx =1;
nikitateggi 27:907f8ce0025e 84 blue.printf("\n");
nikitateggi 27:907f8ce0025e 85 }
nikitateggi 27:907f8ce0025e 86 }
nikitateggi 27:907f8ce0025e 87
nikitateggi 27:907f8ce0025e 88 break;
nikitateggi 19:1650bbc923cc 89
nikitateggi 19:1650bbc923cc 90
nikitateggi 19:1650bbc923cc 91 case 2: total_samples=0;
nikitateggi 19:1650bbc923cc 92 sd_read1(bt_file1); // read the sd card file
nikitateggi 19:1650bbc923cc 93 myBleMsg->bt_msg=bt_file1; //copy the contents to the structure
nikitateggi 22:ffa88619551d 94 send(); // send the initial string
nikitateggi 24:d992ee8369f4 95 blue.printf("\n");
nikitateggi 27:907f8ce0025e 96 total_samples= myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp;
nikitateggi 22:ffa88619551d 97
nikitateggi 19:1650bbc923cc 98 state_tx =0;
nikitateggi 19:1650bbc923cc 99 state_rx =2;
nikitateggi 27:907f8ce0025e 100 count_send=0;
nikitateggi 22:ffa88619551d 101 total_file_read=file_size1();
nikitateggi 19:1650bbc923cc 102 break;
nikitateggi 19:1650bbc923cc 103
nikitateggi 19:1650bbc923cc 104
nikitateggi 27:907f8ce0025e 105 case 3: counter=0;
nikitateggi 27:907f8ce0025e 106 if(count_send<(total_samples/no_of_samples))
nikitateggi 19:1650bbc923cc 107 {
nikitateggi 27:907f8ce0025e 108 sd_read(v1,no_of_samples);
nikitateggi 27:907f8ce0025e 109 counter=j+no_of_samples; //read 1500 samples
nikitateggi 27:907f8ce0025e 110 send_data_str1();
nikitateggi 27:907f8ce0025e 111 for(file_start=j;file_start<(j+no_of_samples);file_start++)
nikitateggi 19:1650bbc923cc 112 {
nikitateggi 19:1650bbc923cc 113
nikitateggi 24:d992ee8369f4 114 blue.printf("%08x", v1[file_start]);
nikitateggi 27:907f8ce0025e 115
nikitateggi 19:1650bbc923cc 116 }
nikitateggi 22:ffa88619551d 117
nikitateggi 22:ffa88619551d 118
nikitateggi 22:ffa88619551d 119 check_sum=checksum(v1); // calculating checksum
nikitateggi 27:907f8ce0025e 120 state_tx =0;
nikitateggi 27:907f8ce0025e 121 state_rx =3;
nikitateggi 27:907f8ce0025e 122 send_data_str2(check_sum); // send the remaining part of the string
nikitateggi 19:1650bbc923cc 123
nikitateggi 19:1650bbc923cc 124 }
nikitateggi 19:1650bbc923cc 125
nikitateggi 19:1650bbc923cc 126 else
nikitateggi 19:1650bbc923cc 127 {
nikitateggi 27:907f8ce0025e 128 for(int l=0;l<no_of_samples;l++)
nikitateggi 19:1650bbc923cc 129 {
nikitateggi 19:1650bbc923cc 130 v1[l]=NULL;
nikitateggi 19:1650bbc923cc 131 }
nikitateggi 27:907f8ce0025e 132 counter=(total_samples-( no_of_samples*count_send));
nikitateggi 27:907f8ce0025e 133 send_data_str1();
nikitateggi 27:907f8ce0025e 134 sd_read(v1,(total_samples-( no_of_samples*count_send)));
nikitateggi 27:907f8ce0025e 135 for(file_start=j;file_start<(total_samples-( no_of_samples*count_send));file_start++)
nikitateggi 19:1650bbc923cc 136 {
nikitateggi 24:d992ee8369f4 137 blue.printf("%08x", v1[file_start]);
nikitateggi 27:907f8ce0025e 138
nikitateggi 19:1650bbc923cc 139 }
nikitateggi 27:907f8ce0025e 140
nikitateggi 19:1650bbc923cc 141 state_tx=0;
nikitateggi 19:1650bbc923cc 142 state_rx=4;
nikitateggi 22:ffa88619551d 143 send_data_str2(check_sum);
nikitateggi 19:1650bbc923cc 144 }
nikitateggi 19:1650bbc923cc 145
nikitateggi 19:1650bbc923cc 146 total_file_read=file_size1();
nikitateggi 27:907f8ce0025e 147 blue.printf("\n");
nikitateggi 27:907f8ce0025e 148 break;
nikitateggi 19:1650bbc923cc 149
nikitateggi 19:1650bbc923cc 150
nikitateggi 19:1650bbc923cc 151 case 4: total_file_read=file_size1();
nikitateggi 27:907f8ce0025e 152 if(total_file_read==total_file_size) // if the total file size is same as total file size
nikitateggi 27:907f8ce0025e 153 { // then there is no more data to send in that particular file
nikitateggi 19:1650bbc923cc 154
nikitateggi 19:1650bbc923cc 155 state_rx=6;
nikitateggi 22:ffa88619551d 156 sendlast();
nikitateggi 24:d992ee8369f4 157 blue.printf("\n");
nikitateggi 27:907f8ce0025e 158 // sd_close();
nikitateggi 19:1650bbc923cc 159 }
nikitateggi 19:1650bbc923cc 160 else
nikitateggi 19:1650bbc923cc 161 {
nikitateggi 19:1650bbc923cc 162 state_rx=5;
nikitateggi 27:907f8ce0025e 163 total_file_read=file_size1();
nikitateggi 19:1650bbc923cc 164 }
nikitateggi 19:1650bbc923cc 165
nikitateggi 19:1650bbc923cc 166
nikitateggi 27:907f8ce0025e 167
nikitateggi 19:1650bbc923cc 168
nikitateggi 19:1650bbc923cc 169 }
nikitateggi 27:907f8ce0025e 170
nikitateggi 19:1650bbc923cc 171 return state_rx;
nikitateggi 19:1650bbc923cc 172
nikitateggi 19:1650bbc923cc 173 }
nikitateggi 19:1650bbc923cc 174
nikitateggi 19:1650bbc923cc 175
nikitateggi 19:1650bbc923cc 176
nikitateggi 19:1650bbc923cc 177
nikitateggi 19:1650bbc923cc 178 uint8_t bt_receive (uint8_t state_rx)
nikitateggi 19:1650bbc923cc 179 {
nikitateggi 19:1650bbc923cc 180
nikitateggi 27:907f8ce0025e 181 unsigned char state_tx =1; //state for transmitting
nikitateggi 19:1650bbc923cc 182
nikitateggi 19:1650bbc923cc 183 Timer t; // timer
nikitateggi 19:1650bbc923cc 184 uint8_t ack_rx; // varibale to receive ack from the bluetooth
nikitateggi 27:907f8ce0025e 185 //Point b; // structure copy
nikitateggi 27:907f8ce0025e 186 //myBleMsg=&b;
nikitateggi 19:1650bbc923cc 187 t.start(); // timer start
nikitateggi 27:907f8ce0025e 188 uint8_t sos_rx=0; // sos received from app
nikitateggi 27:907f8ce0025e 189 uint8_t eos_rx=0; // eos received from app
nikitateggi 27:907f8ce0025e 190 uint8_t chksum_rx=0; // check sum received from app
nikitateggi 27:907f8ce0025e 191
nikitateggi 19:1650bbc923cc 192
nikitateggi 19:1650bbc923cc 193 switch(state_rx)
nikitateggi 19:1650bbc923cc 194 {
nikitateggi 19:1650bbc923cc 195
nikitateggi 19:1650bbc923cc 196 case 1: // wait for the ack
nikitateggi 22:ffa88619551d 197 state_rx=0;
nikitateggi 19:1650bbc923cc 198 myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 199 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 27:907f8ce0025e 200
nikitateggi 22:ffa88619551d 201 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 202 {
nikitateggi 19:1650bbc923cc 203
nikitateggi 19:1650bbc923cc 204 state_tx=2;
nikitateggi 19:1650bbc923cc 205 }
nikitateggi 19:1650bbc923cc 206
nikitateggi 22:ffa88619551d 207 else
nikitateggi 19:1650bbc923cc 208
nikitateggi 19:1650bbc923cc 209 {
nikitateggi 19:1650bbc923cc 210
nikitateggi 19:1650bbc923cc 211 state_tx=1;
nikitateggi 19:1650bbc923cc 212 sd_close();
nikitateggi 19:1650bbc923cc 213 }
nikitateggi 19:1650bbc923cc 214 break;
nikitateggi 19:1650bbc923cc 215
nikitateggi 19:1650bbc923cc 216 case 2: state_rx =0; //wait for the ack
nikitateggi 19:1650bbc923cc 217 myBleMsg->proto=ACK;
nikitateggi 19:1650bbc923cc 218
nikitateggi 27:907f8ce0025e 219 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 220 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 221 {
nikitateggi 19:1650bbc923cc 222
nikitateggi 19:1650bbc923cc 223 state_tx=3;
nikitateggi 19:1650bbc923cc 224 file_pointer_position=total_file_read;
nikitateggi 19:1650bbc923cc 225 }
nikitateggi 19:1650bbc923cc 226
nikitateggi 19:1650bbc923cc 227 else
nikitateggi 19:1650bbc923cc 228
nikitateggi 19:1650bbc923cc 229 {
nikitateggi 19:1650bbc923cc 230
nikitateggi 19:1650bbc923cc 231 state_tx=2;
nikitateggi 22:ffa88619551d 232 setpos1(file_pointer_position);
nikitateggi 27:907f8ce0025e 233
nikitateggi 19:1650bbc923cc 234 }
nikitateggi 27:907f8ce0025e 235 //blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 236 break;
nikitateggi 19:1650bbc923cc 237
nikitateggi 19:1650bbc923cc 238
nikitateggi 19:1650bbc923cc 239 case 3:
nikitateggi 19:1650bbc923cc 240 state_rx =0;
nikitateggi 19:1650bbc923cc 241 myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 242 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 243 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 244 {
nikitateggi 19:1650bbc923cc 245
nikitateggi 19:1650bbc923cc 246 state_tx=3;
nikitateggi 27:907f8ce0025e 247 count_send=count_send+1;
nikitateggi 19:1650bbc923cc 248 file_pointer_position=total_file_read;
nikitateggi 19:1650bbc923cc 249 }
nikitateggi 19:1650bbc923cc 250
nikitateggi 19:1650bbc923cc 251 else
nikitateggi 19:1650bbc923cc 252
nikitateggi 19:1650bbc923cc 253 {
nikitateggi 19:1650bbc923cc 254
nikitateggi 19:1650bbc923cc 255 state_tx=3;
nikitateggi 27:907f8ce0025e 256 file_start=file_start- no_of_samples;
nikitateggi 19:1650bbc923cc 257 setpos1(file_pointer_position);
nikitateggi 19:1650bbc923cc 258 }
nikitateggi 19:1650bbc923cc 259
nikitateggi 19:1650bbc923cc 260 break;
nikitateggi 19:1650bbc923cc 261
nikitateggi 19:1650bbc923cc 262 case 4:
nikitateggi 19:1650bbc923cc 263 state_rx =0;
nikitateggi 19:1650bbc923cc 264 myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 265 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 266 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 267 {
nikitateggi 19:1650bbc923cc 268 state_tx=4;
nikitateggi 27:907f8ce0025e 269 count_send=count_send+1;
nikitateggi 19:1650bbc923cc 270 file_pointer_position=total_file_read;
nikitateggi 19:1650bbc923cc 271 }
nikitateggi 19:1650bbc923cc 272
nikitateggi 19:1650bbc923cc 273 else
nikitateggi 19:1650bbc923cc 274
nikitateggi 19:1650bbc923cc 275 {
nikitateggi 27:907f8ce0025e 276
nikitateggi 19:1650bbc923cc 277 state_tx=3;
nikitateggi 27:907f8ce0025e 278 file_start=file_start- no_of_samples;
nikitateggi 19:1650bbc923cc 279 setpos1(file_pointer_position);
nikitateggi 19:1650bbc923cc 280 }
nikitateggi 19:1650bbc923cc 281 break;
nikitateggi 19:1650bbc923cc 282
nikitateggi 19:1650bbc923cc 283 case 5: state_tx=2;
nikitateggi 27:907f8ce0025e 284 break;
nikitateggi 22:ffa88619551d 285
nikitateggi 27:907f8ce0025e 286 case 6: state_rx =0;
nikitateggi 27:907f8ce0025e 287 /*myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 288 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 27:907f8ce0025e 289 if (ack_rx==myBleMsg->proto)
nikitateggi 27:907f8ce0025e 290 {*/
nikitateggi 27:907f8ce0025e 291 if (bt_file_tosend!=current_file)
nikitateggi 27:907f8ce0025e 292 { sd_close();
nikitateggi 27:907f8ce0025e 293 // bt_file_tosend=bt_file_tosend+1;
nikitateggi 27:907f8ce0025e 294 // eprom_write(6,bt_file_tosend);
nikitateggi 27:907f8ce0025e 295 // sd_open_read(bt_file_tosend);
nikitateggi 27:907f8ce0025e 296 // total_file_size=file_size() ;
nikitateggi 27:907f8ce0025e 297 state_tx=1;
nikitateggi 27:907f8ce0025e 298
nikitateggi 27:907f8ce0025e 299 mc.printf("next file");
nikitateggi 27:907f8ce0025e 300 }
nikitateggi 27:907f8ce0025e 301
nikitateggi 27:907f8ce0025e 302 else
nikitateggi 27:907f8ce0025e 303 {
nikitateggi 27:907f8ce0025e 304 state_tx=0;
nikitateggi 27:907f8ce0025e 305 mc.printf("out");
nikitateggi 27:907f8ce0025e 306 }
nikitateggi 27:907f8ce0025e 307
nikitateggi 27:907f8ce0025e 308 // }
nikitateggi 27:907f8ce0025e 309
nikitateggi 27:907f8ce0025e 310 /* else
nikitateggi 27:907f8ce0025e 311
nikitateggi 27:907f8ce0025e 312 {
nikitateggi 27:907f8ce0025e 313
nikitateggi 27:907f8ce0025e 314 state_tx=4;
nikitateggi 27:907f8ce0025e 315
nikitateggi 27:907f8ce0025e 316 } */
nikitateggi 27:907f8ce0025e 317
nikitateggi 19:1650bbc923cc 318 break;
nikitateggi 19:1650bbc923cc 319
nikitateggi 19:1650bbc923cc 320 }
nikitateggi 27:907f8ce0025e 321
nikitateggi 19:1650bbc923cc 322 return state_tx;
nikitateggi 19:1650bbc923cc 323 }
nikitateggi 19:1650bbc923cc 324
nikitateggi 19:1650bbc923cc 325
nikitateggi 19:1650bbc923cc 326
nikitateggi 19:1650bbc923cc 327
nikitateggi 19:1650bbc923cc 328
nikitateggi 19:1650bbc923cc 329
nikitateggi 19:1650bbc923cc 330
nikitateggi 27:907f8ce0025e 331 void send() // function to send the structure to bluetooth
nikitateggi 19:1650bbc923cc 332 {
nikitateggi 22:ffa88619551d 333 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 334 myBleMsg->length_file=26;
nikitateggi 22:ffa88619551d 335 myBleMsg->proto=data_trfr; // data transfer mode
nikitateggi 24:d992ee8369f4 336 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 337 blue.printf("%02x",myBleMsg->proto);
nikitateggi 24:d992ee8369f4 338 blue.printf("%08x",myBleMsg->length_file); //changed the sequence
nikitateggi 24:d992ee8369f4 339 blue.printf("%08x",myBleMsg->bt_msg.length);
nikitateggi 24:d992ee8369f4 340 blue.printf("%02x",myBleMsg->bt_msg.device_id);
nikitateggi 24:d992ee8369f4 341 blue.printf("%08x",myBleMsg->bt_msg.patient_id);
nikitateggi 24:d992ee8369f4 342 blue.printf("%02x",myBleMsg->bt_msg.date_time.date);
nikitateggi 24:d992ee8369f4 343 blue.printf("%02x",myBleMsg->bt_msg.date_time.month);
nikitateggi 24:d992ee8369f4 344 blue.printf("%02x",myBleMsg->bt_msg.date_time.year);
nikitateggi 24:d992ee8369f4 345 blue.printf("%02x",myBleMsg->bt_msg.date_time.hour);
nikitateggi 24:d992ee8369f4 346 blue.printf("%02x",myBleMsg->bt_msg.date_time.mins);
nikitateggi 24:d992ee8369f4 347 blue.printf("%02x",myBleMsg->bt_msg.date_time.sec);
nikitateggi 24:d992ee8369f4 348 blue.printf("%02x",myBleMsg->bt_msg.test_type);
nikitateggi 24:d992ee8369f4 349 blue.printf("%04x",myBleMsg->bt_msg.sampling_freq);
nikitateggi 24:d992ee8369f4 350 blue.printf("%04x",myBleMsg->bt_msg.num_samples. num_sample_ppg_dummy);
nikitateggi 24:d992ee8369f4 351 blue.printf("%04x",myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp);
nikitateggi 24:d992ee8369f4 352 blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_sbp_dummy);
nikitateggi 24:d992ee8369f4 353 blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_dbp_OTtyp);
nikitateggi 22:ffa88619551d 354 myBleMsg->end_of_string=eos;
nikitateggi 22:ffa88619551d 355 myBleMsg->chk_sum=checksum_struct();
nikitateggi 24:d992ee8369f4 356 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 357 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 358
nikitateggi 19:1650bbc923cc 359 }
nikitateggi 19:1650bbc923cc 360
nikitateggi 27:907f8ce0025e 361 void sendinit() // function to send the initial string at the start f communication to bluetooth
nikitateggi 22:ffa88619551d 362 {
nikitateggi 22:ffa88619551d 363
nikitateggi 22:ffa88619551d 364 uint8_t sum_init=0 ;
nikitateggi 22:ffa88619551d 365 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 366 myBleMsg->length_file=0;
nikitateggi 19:1650bbc923cc 367 myBleMsg->proto=start_of_file;
nikitateggi 19:1650bbc923cc 368 // myBleMsg->bt_msg=NULL;
nikitateggi 22:ffa88619551d 369 sum_init=checksum_init();
nikitateggi 22:ffa88619551d 370 myBleMsg->chk_sum=sum_init;
nikitateggi 24:d992ee8369f4 371 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 372 blue.printf("%02x",myBleMsg->proto);
nikitateggi 24:d992ee8369f4 373 blue.printf("%08x",myBleMsg->length_file); // chnged
nikitateggi 22:ffa88619551d 374 myBleMsg->end_of_string=eos;
nikitateggi 24:d992ee8369f4 375 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 376 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 377
nikitateggi 19:1650bbc923cc 378 }
nikitateggi 22:ffa88619551d 379
nikitateggi 22:ffa88619551d 380
nikitateggi 27:907f8ce0025e 381 uint8_t checksum_init() // function to calculate the checksum for the initial string
nikitateggi 22:ffa88619551d 382 {
nikitateggi 22:ffa88619551d 383
nikitateggi 22:ffa88619551d 384 uint32_t sum=0;
nikitateggi 22:ffa88619551d 385 uint8_t chksum_init=0;
nikitateggi 22:ffa88619551d 386 sum=sos+eos+start_of_file;
nikitateggi 22:ffa88619551d 387 chksum_init=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 388 return chksum_init;
nikitateggi 22:ffa88619551d 389 }
nikitateggi 22:ffa88619551d 390
nikitateggi 27:907f8ce0025e 391 uint8_t checksum_last() // function to calculate the checksum for the last string
nikitateggi 22:ffa88619551d 392 {
nikitateggi 22:ffa88619551d 393
nikitateggi 22:ffa88619551d 394 uint32_t sum=0;
nikitateggi 22:ffa88619551d 395 uint8_t chksum_last=0;
nikitateggi 22:ffa88619551d 396 sum=sos+eos+end_of_file; // changed //16/06 #define all the values removing structure
nikitateggi 22:ffa88619551d 397 chksum_last=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 398 return chksum_last;
nikitateggi 22:ffa88619551d 399 }
nikitateggi 22:ffa88619551d 400
nikitateggi 27:907f8ce0025e 401 void sendlast() // function to send the last string to the bluetooth // which determines the end of file
nikitateggi 22:ffa88619551d 402 {
nikitateggi 22:ffa88619551d 403 uint8_t sum_last=0;
nikitateggi 22:ffa88619551d 404 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 405 myBleMsg->length_file=0;
nikitateggi 22:ffa88619551d 406 myBleMsg->proto=end_of_file;
nikitateggi 22:ffa88619551d 407 // myBleMsg->bt_msg=NULL;
nikitateggi 22:ffa88619551d 408 sum_last=checksum_last();
nikitateggi 22:ffa88619551d 409 myBleMsg->chk_sum=sum_last;
nikitateggi 24:d992ee8369f4 410 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 411 blue.printf("%02x",myBleMsg->proto);
nikitateggi 24:d992ee8369f4 412 blue.printf("%08x",myBleMsg->length_file); // chnged
nikitateggi 22:ffa88619551d 413 myBleMsg->end_of_string=eos;
nikitateggi 24:d992ee8369f4 414 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 415 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 22:ffa88619551d 416
nikitateggi 22:ffa88619551d 417 }
nikitateggi 22:ffa88619551d 418
nikitateggi 27:907f8ce0025e 419 void send_data_str1() // function to send a part of the structure // after this raw data is sent//
nikitateggi 22:ffa88619551d 420 {
nikitateggi 22:ffa88619551d 421 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 422 myBleMsg->length_file=(counter*4);
nikitateggi 22:ffa88619551d 423 myBleMsg->proto=data_trfr;
nikitateggi 24:d992ee8369f4 424 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 425 blue.printf("%02x",myBleMsg->proto); // chnaged
nikitateggi 24:d992ee8369f4 426 blue.printf("%08x",myBleMsg->length_file);
nikitateggi 22:ffa88619551d 427
nikitateggi 22:ffa88619551d 428 }
nikitateggi 19:1650bbc923cc 429
nikitateggi 19:1650bbc923cc 430
nikitateggi 19:1650bbc923cc 431
nikitateggi 27:907f8ce0025e 432 void send_data_str2(uint8_t check_sum) // after raw data// this last part of structure is sent
nikitateggi 19:1650bbc923cc 433 {
nikitateggi 22:ffa88619551d 434 myBleMsg->chk_sum=check_sum;
nikitateggi 22:ffa88619551d 435 myBleMsg->end_of_string=eos;
nikitateggi 24:d992ee8369f4 436 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 437 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 438 }
nikitateggi 19:1650bbc923cc 439
nikitateggi 27:907f8ce0025e 440 uint8_t checksum(uint32_t *v1) // this function to calculate the checksum for the raw data
nikitateggi 22:ffa88619551d 441 {
nikitateggi 22:ffa88619551d 442
nikitateggi 22:ffa88619551d 443 uint32_t sum=0;
nikitateggi 22:ffa88619551d 444 uint8_t chksum_datatrfr=0;
nikitateggi 22:ffa88619551d 445
nikitateggi 27:907f8ce0025e 446 for (int i=0;i< no_of_samples;i++)
nikitateggi 22:ffa88619551d 447 {
nikitateggi 22:ffa88619551d 448 sum=sum+v1[i];
nikitateggi 22:ffa88619551d 449 }
nikitateggi 22:ffa88619551d 450
nikitateggi 22:ffa88619551d 451 sum=sos+eos+sum+counter+data_trfr;
nikitateggi 22:ffa88619551d 452 chksum_datatrfr=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 453 return chksum_datatrfr;
nikitateggi 22:ffa88619551d 454 }
nikitateggi 19:1650bbc923cc 455
nikitateggi 19:1650bbc923cc 456
nikitateggi 19:1650bbc923cc 457
nikitateggi 22:ffa88619551d 458
nikitateggi 22:ffa88619551d 459
nikitateggi 27:907f8ce0025e 460 uint8_t checksum_struct() // calculating checksum for sending the file structure
nikitateggi 22:ffa88619551d 461 {
nikitateggi 22:ffa88619551d 462
nikitateggi 22:ffa88619551d 463 uint32_t sum=0;
nikitateggi 22:ffa88619551d 464 uint8_t chksum_struct=0;
nikitateggi 22:ffa88619551d 465
nikitateggi 22:ffa88619551d 466 sum=myBleMsg->start_of_string+myBleMsg->proto+myBleMsg->bt_msg.length+myBleMsg->bt_msg.device_id+myBleMsg->bt_msg.date_time.date+myBleMsg->bt_msg.date_time.month+myBleMsg->bt_msg.date_time.year+myBleMsg->bt_msg.date_time.hour+myBleMsg->bt_msg.date_time.mins+myBleMsg->bt_msg.date_time.sec+myBleMsg->bt_msg.test_type+myBleMsg->bt_msg.sampling_freq+myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp+myBleMsg->bt_msg.cal_data.cal_sbp_dummy+myBleMsg->bt_msg.cal_data.cal_dbp_OTtyp+myBleMsg->end_of_string+myBleMsg->chk_sum;
nikitateggi 22:ffa88619551d 467 chksum_struct=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 468 return chksum_struct;
nikitateggi 22:ffa88619551d 469 }