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

Committer:
avp2417
Date:
Sat Jul 29 11:23:19 2017 +0000
Revision:
36:00d96aa14658
Parent:
33:a80eed071fdc
Child:
44:05dbea558c9a
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
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
avp2417 36:00d96aa14658 12 #define no_of_samples 600 //changed the buffer size from 150- 22/7/17- suhasini
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 28:65f2d80b7eb7 22 static 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 28:65f2d80b7eb7 26 static uint32_t total_file_size=0; // to determine the size of the file
nikitateggi 28:65f2d80b7eb7 27 static uint32_t total_file_read=0;
nikitateggi 28:65f2d80b7eb7 28 static uint32_t file_start=0; // variable for 'for loop'
nikitateggi 28:65f2d80b7eb7 29 static uint32_t j=0;
nikitateggi 27:907f8ce0025e 30 uint8_t count_send=0;
nikitateggi 28:65f2d80b7eb7 31 static uint32_t file_pointer_position=0;
nikitateggi 28:65f2d80b7eb7 32 static int32_t bt_file_tosend=0; // file to send on bluetooth
nikitateggi 28:65f2d80b7eb7 33 static int32_t current_file=0; // file of the test done for the current pid
nikitateggi 28:65f2d80b7eb7 34 static uint32_t counter=0;
nikitateggi 27:907f8ce0025e 35 uint8_t file=0;
nikitateggi 32:76892fdf5e4c 36 static uint32_t v1[no_of_samples];
nikitateggi 19:1650bbc923cc 37
nikitateggi 19:1650bbc923cc 38 uint8_t bt_send(uint8_t state_tx)
nikitateggi 19:1650bbc923cc 39 {
nikitateggi 32:76892fdf5e4c 40
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 31:0f67acfc6236 64 // current_file=2;
nikitateggi 31:0f67acfc6236 65 //bt_file_tosend=bt_file_tosend+1;
nikitateggi 31:0f67acfc6236 66 //eprom_write(6,bt_file_tosend); // read the current pid
nikitateggi 27:907f8ce0025e 67 mc.printf("eeprom file=%d",bt_file_tosend);
nikitateggi 27:907f8ce0025e 68 mc.printf("currentfile=%d",current_file);
nikitateggi 27:907f8ce0025e 69 if (bt_file_tosend>current_file) // if the file sent to bluetooth and current file are same,
nikitateggi 27:907f8ce0025e 70 { // then there is no new file to send
nikitateggi 27:907f8ce0025e 71 state_rx =6;
nikitateggi 27:907f8ce0025e 72 }
nikitateggi 27:907f8ce0025e 73 else
nikitateggi 27:907f8ce0025e 74 {
nikitateggi 27:907f8ce0025e 75 file=sd_open_read(bt_file_tosend);
nikitateggi 27:907f8ce0025e 76 if(file==0)
nikitateggi 27:907f8ce0025e 77 {
nikitateggi 31:0f67acfc6236 78 state_rx =6;
nikitateggi 27:907f8ce0025e 79 }
nikitateggi 27:907f8ce0025e 80 else
nikitateggi 27:907f8ce0025e 81 {
nikitateggi 27:907f8ce0025e 82 sendinit();
nikitateggi 27:907f8ce0025e 83 total_file_size=file_size() ; // determined the file size
nikitateggi 27:907f8ce0025e 84 state_rx =1;
nikitateggi 27:907f8ce0025e 85 blue.printf("\n");
nikitateggi 27:907f8ce0025e 86 }
nikitateggi 27:907f8ce0025e 87 }
nikitateggi 27:907f8ce0025e 88
nikitateggi 27:907f8ce0025e 89 break;
nikitateggi 19:1650bbc923cc 90
nikitateggi 19:1650bbc923cc 91
nikitateggi 19:1650bbc923cc 92 case 2: total_samples=0;
nikitateggi 19:1650bbc923cc 93 sd_read1(bt_file1); // read the sd card file
avp2417 36:00d96aa14658 94 mc.printf("sd file opened to read data in it\n");
nikitateggi 19:1650bbc923cc 95 myBleMsg->bt_msg=bt_file1; //copy the contents to the structure
nikitateggi 22:ffa88619551d 96 send(); // send the initial string
avp2417 36:00d96aa14658 97
avp2417 36:00d96aa14658 98 blue.printf("\n");
avp2417 36:00d96aa14658 99 mc.printf("sent initial string\n");
nikitateggi 27:907f8ce0025e 100 total_samples= myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp;
nikitateggi 22:ffa88619551d 101
nikitateggi 19:1650bbc923cc 102 state_tx =0;
nikitateggi 19:1650bbc923cc 103 state_rx =2;
nikitateggi 27:907f8ce0025e 104 count_send=0;
nikitateggi 22:ffa88619551d 105 total_file_read=file_size1();
nikitateggi 19:1650bbc923cc 106 break;
nikitateggi 19:1650bbc923cc 107
nikitateggi 19:1650bbc923cc 108
nikitateggi 27:907f8ce0025e 109 case 3: counter=0;
nikitateggi 27:907f8ce0025e 110 if(count_send<(total_samples/no_of_samples))
nikitateggi 19:1650bbc923cc 111 {
nikitateggi 27:907f8ce0025e 112 sd_read(v1,no_of_samples);
nikitateggi 27:907f8ce0025e 113 counter=j+no_of_samples; //read 1500 samples
nikitateggi 27:907f8ce0025e 114 send_data_str1();
avp2417 36:00d96aa14658 115
nikitateggi 27:907f8ce0025e 116 for(file_start=j;file_start<(j+no_of_samples);file_start++)
nikitateggi 19:1650bbc923cc 117 {
nikitateggi 19:1650bbc923cc 118
nikitateggi 24:d992ee8369f4 119 blue.printf("%08x", v1[file_start]);
nikitateggi 27:907f8ce0025e 120
nikitateggi 19:1650bbc923cc 121 }
avp2417 36:00d96aa14658 122
nikitateggi 31:0f67acfc6236 123 check_sum=checksum((uint8_t *)v1,counter); // calculating checksum // calculating checksum
nikitateggi 27:907f8ce0025e 124 state_tx =0;
nikitateggi 27:907f8ce0025e 125 state_rx =3;
nikitateggi 27:907f8ce0025e 126 send_data_str2(check_sum); // send the remaining part of the string
nikitateggi 19:1650bbc923cc 127
nikitateggi 19:1650bbc923cc 128 }
nikitateggi 19:1650bbc923cc 129
nikitateggi 19:1650bbc923cc 130 else
nikitateggi 19:1650bbc923cc 131 {
nikitateggi 27:907f8ce0025e 132 for(int l=0;l<no_of_samples;l++)
nikitateggi 19:1650bbc923cc 133 {
nikitateggi 19:1650bbc923cc 134 v1[l]=NULL;
nikitateggi 19:1650bbc923cc 135 }
nikitateggi 27:907f8ce0025e 136 counter=(total_samples-( no_of_samples*count_send));
nikitateggi 27:907f8ce0025e 137 send_data_str1();
nikitateggi 27:907f8ce0025e 138 sd_read(v1,(total_samples-( no_of_samples*count_send)));
nikitateggi 27:907f8ce0025e 139 for(file_start=j;file_start<(total_samples-( no_of_samples*count_send));file_start++)
nikitateggi 19:1650bbc923cc 140 {
nikitateggi 24:d992ee8369f4 141 blue.printf("%08x", v1[file_start]);
nikitateggi 27:907f8ce0025e 142
nikitateggi 19:1650bbc923cc 143 }
nikitateggi 27:907f8ce0025e 144
nikitateggi 19:1650bbc923cc 145 state_tx=0;
nikitateggi 19:1650bbc923cc 146 state_rx=4;
nikitateggi 31:0f67acfc6236 147 check_sum=checksum((uint8_t *)v1,counter); // calculating checksum
nikitateggi 22:ffa88619551d 148 send_data_str2(check_sum);
nikitateggi 19:1650bbc923cc 149 }
nikitateggi 19:1650bbc923cc 150
nikitateggi 19:1650bbc923cc 151 total_file_read=file_size1();
nikitateggi 27:907f8ce0025e 152 blue.printf("\n");
nikitateggi 27:907f8ce0025e 153 break;
nikitateggi 19:1650bbc923cc 154
nikitateggi 19:1650bbc923cc 155
nikitateggi 19:1650bbc923cc 156 case 4: total_file_read=file_size1();
nikitateggi 27:907f8ce0025e 157 if(total_file_read==total_file_size) // if the total file size is same as total file size
nikitateggi 27:907f8ce0025e 158 { // then there is no more data to send in that particular file
nikitateggi 19:1650bbc923cc 159
nikitateggi 19:1650bbc923cc 160 state_rx=6;
nikitateggi 22:ffa88619551d 161 sendlast();
nikitateggi 24:d992ee8369f4 162 blue.printf("\n");
nikitateggi 27:907f8ce0025e 163 // sd_close();
nikitateggi 19:1650bbc923cc 164 }
nikitateggi 19:1650bbc923cc 165 else
nikitateggi 19:1650bbc923cc 166 {
nikitateggi 19:1650bbc923cc 167 state_rx=5;
nikitateggi 27:907f8ce0025e 168 total_file_read=file_size1();
nikitateggi 19:1650bbc923cc 169 }
nikitateggi 19:1650bbc923cc 170
nikitateggi 19:1650bbc923cc 171
nikitateggi 27:907f8ce0025e 172
nikitateggi 19:1650bbc923cc 173
nikitateggi 19:1650bbc923cc 174 }
nikitateggi 27:907f8ce0025e 175
nikitateggi 19:1650bbc923cc 176 return state_rx;
nikitateggi 19:1650bbc923cc 177
nikitateggi 19:1650bbc923cc 178 }
nikitateggi 19:1650bbc923cc 179
nikitateggi 19:1650bbc923cc 180
nikitateggi 19:1650bbc923cc 181
nikitateggi 19:1650bbc923cc 182
nikitateggi 19:1650bbc923cc 183 uint8_t bt_receive (uint8_t state_rx)
nikitateggi 19:1650bbc923cc 184 {
nikitateggi 19:1650bbc923cc 185
nikitateggi 27:907f8ce0025e 186 unsigned char state_tx =1; //state for transmitting
nikitateggi 19:1650bbc923cc 187
nikitateggi 19:1650bbc923cc 188 Timer t; // timer
nikitateggi 19:1650bbc923cc 189 uint8_t ack_rx; // varibale to receive ack from the bluetooth
nikitateggi 27:907f8ce0025e 190 //Point b; // structure copy
nikitateggi 27:907f8ce0025e 191 //myBleMsg=&b;
nikitateggi 19:1650bbc923cc 192 t.start(); // timer start
nikitateggi 27:907f8ce0025e 193 uint8_t sos_rx=0; // sos received from app
nikitateggi 27:907f8ce0025e 194 uint8_t eos_rx=0; // eos received from app
nikitateggi 27:907f8ce0025e 195 uint8_t chksum_rx=0; // check sum received from app
nikitateggi 27:907f8ce0025e 196
nikitateggi 19:1650bbc923cc 197
nikitateggi 19:1650bbc923cc 198 switch(state_rx)
nikitateggi 19:1650bbc923cc 199 {
nikitateggi 19:1650bbc923cc 200
nikitateggi 19:1650bbc923cc 201 case 1: // wait for the ack
nikitateggi 22:ffa88619551d 202 state_rx=0;
nikitateggi 19:1650bbc923cc 203 myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 204 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 27:907f8ce0025e 205
nikitateggi 22:ffa88619551d 206 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 207 {
nikitateggi 19:1650bbc923cc 208
nikitateggi 19:1650bbc923cc 209 state_tx=2;
nikitateggi 19:1650bbc923cc 210 }
nikitateggi 19:1650bbc923cc 211
nikitateggi 22:ffa88619551d 212 else
nikitateggi 19:1650bbc923cc 213
nikitateggi 19:1650bbc923cc 214 {
nikitateggi 19:1650bbc923cc 215
nikitateggi 19:1650bbc923cc 216 state_tx=1;
nikitateggi 19:1650bbc923cc 217 sd_close();
nikitateggi 19:1650bbc923cc 218 }
nikitateggi 19:1650bbc923cc 219 break;
nikitateggi 19:1650bbc923cc 220
nikitateggi 19:1650bbc923cc 221 case 2: state_rx =0; //wait for the ack
nikitateggi 19:1650bbc923cc 222 myBleMsg->proto=ACK;
nikitateggi 19:1650bbc923cc 223
nikitateggi 27:907f8ce0025e 224 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 225 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 226 {
nikitateggi 19:1650bbc923cc 227
nikitateggi 19:1650bbc923cc 228 state_tx=3;
nikitateggi 19:1650bbc923cc 229 file_pointer_position=total_file_read;
nikitateggi 19:1650bbc923cc 230 }
nikitateggi 19:1650bbc923cc 231
nikitateggi 19:1650bbc923cc 232 else
nikitateggi 19:1650bbc923cc 233
nikitateggi 19:1650bbc923cc 234 {
nikitateggi 19:1650bbc923cc 235
nikitateggi 19:1650bbc923cc 236 state_tx=2;
nikitateggi 22:ffa88619551d 237 setpos1(file_pointer_position);
nikitateggi 27:907f8ce0025e 238
nikitateggi 19:1650bbc923cc 239 }
nikitateggi 27:907f8ce0025e 240 //blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 241 break;
nikitateggi 19:1650bbc923cc 242
nikitateggi 19:1650bbc923cc 243
nikitateggi 19:1650bbc923cc 244 case 3:
nikitateggi 19:1650bbc923cc 245 state_rx =0;
nikitateggi 19:1650bbc923cc 246 myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 247 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 248 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 249 {
nikitateggi 19:1650bbc923cc 250
nikitateggi 19:1650bbc923cc 251 state_tx=3;
nikitateggi 27:907f8ce0025e 252 count_send=count_send+1;
nikitateggi 19:1650bbc923cc 253 file_pointer_position=total_file_read;
nikitateggi 19:1650bbc923cc 254 }
nikitateggi 19:1650bbc923cc 255
nikitateggi 19:1650bbc923cc 256 else
nikitateggi 19:1650bbc923cc 257
nikitateggi 19:1650bbc923cc 258 {
nikitateggi 19:1650bbc923cc 259
nikitateggi 19:1650bbc923cc 260 state_tx=3;
nikitateggi 27:907f8ce0025e 261 file_start=file_start- no_of_samples;
nikitateggi 19:1650bbc923cc 262 setpos1(file_pointer_position);
nikitateggi 19:1650bbc923cc 263 }
nikitateggi 19:1650bbc923cc 264
nikitateggi 19:1650bbc923cc 265 break;
nikitateggi 19:1650bbc923cc 266
nikitateggi 19:1650bbc923cc 267 case 4:
nikitateggi 19:1650bbc923cc 268 state_rx =0;
nikitateggi 19:1650bbc923cc 269 myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 270 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 271 if (ack_rx==myBleMsg->proto)
nikitateggi 19:1650bbc923cc 272 {
nikitateggi 19:1650bbc923cc 273 state_tx=4;
nikitateggi 27:907f8ce0025e 274 count_send=count_send+1;
nikitateggi 19:1650bbc923cc 275 file_pointer_position=total_file_read;
nikitateggi 19:1650bbc923cc 276 }
nikitateggi 19:1650bbc923cc 277
nikitateggi 19:1650bbc923cc 278 else
nikitateggi 19:1650bbc923cc 279
nikitateggi 19:1650bbc923cc 280 {
nikitateggi 27:907f8ce0025e 281
nikitateggi 19:1650bbc923cc 282 state_tx=3;
nikitateggi 27:907f8ce0025e 283 file_start=file_start- no_of_samples;
nikitateggi 19:1650bbc923cc 284 setpos1(file_pointer_position);
nikitateggi 19:1650bbc923cc 285 }
nikitateggi 19:1650bbc923cc 286 break;
nikitateggi 19:1650bbc923cc 287
nikitateggi 19:1650bbc923cc 288 case 5: state_tx=2;
nikitateggi 27:907f8ce0025e 289 break;
nikitateggi 22:ffa88619551d 290
nikitateggi 27:907f8ce0025e 291 case 6: state_rx =0;
nikitateggi 31:0f67acfc6236 292 bt_file_tosend=bt_file_tosend+1;
nikitateggi 31:0f67acfc6236 293 eprom_write(6,bt_file_tosend);
nikitateggi 31:0f67acfc6236 294 mc.printf("next file");
nikitateggi 27:907f8ce0025e 295 /*myBleMsg->proto=ACK;
nikitateggi 27:907f8ce0025e 296 blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 27:907f8ce0025e 297 if (ack_rx==myBleMsg->proto)
nikitateggi 27:907f8ce0025e 298 {*/
nikitateggi 31:0f67acfc6236 299 if (bt_file_tosend<=current_file)
nikitateggi 33:a80eed071fdc 300 {
nikitateggi 33:a80eed071fdc 301 if (file==1)
nikitateggi 33:a80eed071fdc 302 {
nikitateggi 33:a80eed071fdc 303 sd_close();
nikitateggi 33:a80eed071fdc 304 }
nikitateggi 33:a80eed071fdc 305
nikitateggi 33:a80eed071fdc 306
nikitateggi 27:907f8ce0025e 307 state_tx=1;
nikitateggi 27:907f8ce0025e 308
nikitateggi 27:907f8ce0025e 309 mc.printf("next file");
nikitateggi 27:907f8ce0025e 310 }
nikitateggi 27:907f8ce0025e 311
nikitateggi 27:907f8ce0025e 312 else
nikitateggi 27:907f8ce0025e 313 {
nikitateggi 27:907f8ce0025e 314 state_tx=0;
nikitateggi 27:907f8ce0025e 315 mc.printf("out");
nikitateggi 27:907f8ce0025e 316 }
nikitateggi 27:907f8ce0025e 317
nikitateggi 27:907f8ce0025e 318 // }
nikitateggi 27:907f8ce0025e 319
nikitateggi 27:907f8ce0025e 320 /* else
nikitateggi 27:907f8ce0025e 321
nikitateggi 27:907f8ce0025e 322 {
nikitateggi 27:907f8ce0025e 323
nikitateggi 27:907f8ce0025e 324 state_tx=4;
nikitateggi 27:907f8ce0025e 325
nikitateggi 27:907f8ce0025e 326 } */
nikitateggi 27:907f8ce0025e 327
nikitateggi 19:1650bbc923cc 328 break;
nikitateggi 19:1650bbc923cc 329
nikitateggi 19:1650bbc923cc 330 }
nikitateggi 27:907f8ce0025e 331
nikitateggi 19:1650bbc923cc 332 return state_tx;
nikitateggi 19:1650bbc923cc 333 }
nikitateggi 19:1650bbc923cc 334
nikitateggi 19:1650bbc923cc 335
nikitateggi 19:1650bbc923cc 336
nikitateggi 19:1650bbc923cc 337
nikitateggi 19:1650bbc923cc 338
nikitateggi 19:1650bbc923cc 339
nikitateggi 19:1650bbc923cc 340
nikitateggi 27:907f8ce0025e 341 void send() // function to send the structure to bluetooth
nikitateggi 19:1650bbc923cc 342 {
nikitateggi 22:ffa88619551d 343 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 344 myBleMsg->length_file=26;
nikitateggi 22:ffa88619551d 345 myBleMsg->proto=data_trfr; // data transfer mode
nikitateggi 24:d992ee8369f4 346 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 347 blue.printf("%02x",myBleMsg->proto);
nikitateggi 24:d992ee8369f4 348 blue.printf("%08x",myBleMsg->length_file); //changed the sequence
nikitateggi 24:d992ee8369f4 349 blue.printf("%08x",myBleMsg->bt_msg.length);
nikitateggi 24:d992ee8369f4 350 blue.printf("%02x",myBleMsg->bt_msg.device_id);
nikitateggi 24:d992ee8369f4 351 blue.printf("%08x",myBleMsg->bt_msg.patient_id);
nikitateggi 24:d992ee8369f4 352 blue.printf("%02x",myBleMsg->bt_msg.date_time.date);
nikitateggi 24:d992ee8369f4 353 blue.printf("%02x",myBleMsg->bt_msg.date_time.month);
nikitateggi 24:d992ee8369f4 354 blue.printf("%02x",myBleMsg->bt_msg.date_time.year);
nikitateggi 24:d992ee8369f4 355 blue.printf("%02x",myBleMsg->bt_msg.date_time.hour);
nikitateggi 24:d992ee8369f4 356 blue.printf("%02x",myBleMsg->bt_msg.date_time.mins);
nikitateggi 24:d992ee8369f4 357 blue.printf("%02x",myBleMsg->bt_msg.date_time.sec);
nikitateggi 24:d992ee8369f4 358 blue.printf("%02x",myBleMsg->bt_msg.test_type);
nikitateggi 24:d992ee8369f4 359 blue.printf("%04x",myBleMsg->bt_msg.sampling_freq);
nikitateggi 24:d992ee8369f4 360 blue.printf("%04x",myBleMsg->bt_msg.num_samples. num_sample_ppg_dummy);
nikitateggi 24:d992ee8369f4 361 blue.printf("%04x",myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp);
nikitateggi 24:d992ee8369f4 362 blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_sbp_dummy);
nikitateggi 24:d992ee8369f4 363 blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_dbp_OTtyp);
nikitateggi 22:ffa88619551d 364 myBleMsg->end_of_string=eos;
nikitateggi 31:0f67acfc6236 365 myBleMsg->chk_sum = checksum_struct((uint8_t *)myBleMsg, sizeof(Point));
nikitateggi 24:d992ee8369f4 366 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 367 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 368
nikitateggi 19:1650bbc923cc 369 }
nikitateggi 19:1650bbc923cc 370
nikitateggi 27:907f8ce0025e 371 void sendinit() // function to send the initial string at the start f communication to bluetooth
nikitateggi 22:ffa88619551d 372 {
nikitateggi 22:ffa88619551d 373
nikitateggi 22:ffa88619551d 374 uint8_t sum_init=0 ;
nikitateggi 22:ffa88619551d 375 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 376 myBleMsg->length_file=0;
nikitateggi 19:1650bbc923cc 377 myBleMsg->proto=start_of_file;
nikitateggi 19:1650bbc923cc 378 // myBleMsg->bt_msg=NULL;
nikitateggi 22:ffa88619551d 379 sum_init=checksum_init();
nikitateggi 22:ffa88619551d 380 myBleMsg->chk_sum=sum_init;
nikitateggi 24:d992ee8369f4 381 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 382 blue.printf("%02x",myBleMsg->proto);
nikitateggi 24:d992ee8369f4 383 blue.printf("%08x",myBleMsg->length_file); // chnged
nikitateggi 22:ffa88619551d 384 myBleMsg->end_of_string=eos;
nikitateggi 24:d992ee8369f4 385 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 386 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 387
nikitateggi 19:1650bbc923cc 388 }
nikitateggi 22:ffa88619551d 389
nikitateggi 22:ffa88619551d 390
nikitateggi 27:907f8ce0025e 391 uint8_t checksum_init() // function to calculate the checksum for the initial string
nikitateggi 22:ffa88619551d 392 {
nikitateggi 22:ffa88619551d 393
nikitateggi 22:ffa88619551d 394 uint32_t sum=0;
nikitateggi 22:ffa88619551d 395 uint8_t chksum_init=0;
nikitateggi 22:ffa88619551d 396 sum=sos+eos+start_of_file;
nikitateggi 22:ffa88619551d 397 chksum_init=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 398 return chksum_init;
nikitateggi 22:ffa88619551d 399 }
nikitateggi 22:ffa88619551d 400
nikitateggi 27:907f8ce0025e 401 uint8_t checksum_last() // function to calculate the checksum for the last string
nikitateggi 22:ffa88619551d 402 {
nikitateggi 22:ffa88619551d 403
nikitateggi 22:ffa88619551d 404 uint32_t sum=0;
nikitateggi 22:ffa88619551d 405 uint8_t chksum_last=0;
nikitateggi 22:ffa88619551d 406 sum=sos+eos+end_of_file; // changed //16/06 #define all the values removing structure
nikitateggi 22:ffa88619551d 407 chksum_last=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 408 return chksum_last;
nikitateggi 22:ffa88619551d 409 }
nikitateggi 22:ffa88619551d 410
nikitateggi 27:907f8ce0025e 411 void sendlast() // function to send the last string to the bluetooth // which determines the end of file
nikitateggi 22:ffa88619551d 412 {
nikitateggi 22:ffa88619551d 413 uint8_t sum_last=0;
nikitateggi 22:ffa88619551d 414 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 415 myBleMsg->length_file=0;
nikitateggi 22:ffa88619551d 416 myBleMsg->proto=end_of_file;
nikitateggi 22:ffa88619551d 417 // myBleMsg->bt_msg=NULL;
nikitateggi 22:ffa88619551d 418 sum_last=checksum_last();
nikitateggi 22:ffa88619551d 419 myBleMsg->chk_sum=sum_last;
nikitateggi 24:d992ee8369f4 420 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 421 blue.printf("%02x",myBleMsg->proto);
nikitateggi 24:d992ee8369f4 422 blue.printf("%08x",myBleMsg->length_file); // chnged
nikitateggi 22:ffa88619551d 423 myBleMsg->end_of_string=eos;
nikitateggi 24:d992ee8369f4 424 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 425 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 22:ffa88619551d 426
nikitateggi 22:ffa88619551d 427 }
nikitateggi 22:ffa88619551d 428
nikitateggi 27:907f8ce0025e 429 void send_data_str1() // function to send a part of the structure // after this raw data is sent//
nikitateggi 22:ffa88619551d 430 {
nikitateggi 22:ffa88619551d 431 myBleMsg->start_of_string=sos;
nikitateggi 22:ffa88619551d 432 myBleMsg->length_file=(counter*4);
nikitateggi 22:ffa88619551d 433 myBleMsg->proto=data_trfr;
nikitateggi 24:d992ee8369f4 434 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 24:d992ee8369f4 435 blue.printf("%02x",myBleMsg->proto); // chnaged
nikitateggi 24:d992ee8369f4 436 blue.printf("%08x",myBleMsg->length_file);
nikitateggi 22:ffa88619551d 437
nikitateggi 22:ffa88619551d 438 }
nikitateggi 19:1650bbc923cc 439
nikitateggi 19:1650bbc923cc 440
nikitateggi 19:1650bbc923cc 441
nikitateggi 27:907f8ce0025e 442 void send_data_str2(uint8_t check_sum) // after raw data// this last part of structure is sent
nikitateggi 19:1650bbc923cc 443 {
nikitateggi 22:ffa88619551d 444 myBleMsg->chk_sum=check_sum;
nikitateggi 22:ffa88619551d 445 myBleMsg->end_of_string=eos;
nikitateggi 24:d992ee8369f4 446 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 24:d992ee8369f4 447 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 448 }
nikitateggi 19:1650bbc923cc 449
nikitateggi 31:0f67acfc6236 450 /*uint8_t checksum(uint32_t *v1) // this function to calculate the checksum for the raw data
nikitateggi 22:ffa88619551d 451 {
nikitateggi 22:ffa88619551d 452
nikitateggi 22:ffa88619551d 453 uint32_t sum=0;
nikitateggi 22:ffa88619551d 454 uint8_t chksum_datatrfr=0;
nikitateggi 22:ffa88619551d 455
nikitateggi 27:907f8ce0025e 456 for (int i=0;i< no_of_samples;i++)
nikitateggi 22:ffa88619551d 457 {
nikitateggi 22:ffa88619551d 458 sum=sum+v1[i];
nikitateggi 22:ffa88619551d 459 }
nikitateggi 22:ffa88619551d 460
nikitateggi 22:ffa88619551d 461 sum=sos+eos+sum+counter+data_trfr;
nikitateggi 22:ffa88619551d 462 chksum_datatrfr=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 463 return chksum_datatrfr;
nikitateggi 22:ffa88619551d 464 }
nikitateggi 19:1650bbc923cc 465
nikitateggi 19:1650bbc923cc 466
nikitateggi 19:1650bbc923cc 467
nikitateggi 22:ffa88619551d 468
nikitateggi 22:ffa88619551d 469
nikitateggi 27:907f8ce0025e 470 uint8_t checksum_struct() // calculating checksum for sending the file structure
nikitateggi 22:ffa88619551d 471 {
nikitateggi 22:ffa88619551d 472
nikitateggi 22:ffa88619551d 473 uint32_t sum=0;
nikitateggi 22:ffa88619551d 474 uint8_t chksum_struct=0;
nikitateggi 22:ffa88619551d 475
nikitateggi 22:ffa88619551d 476 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 477 chksum_struct=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 478 return chksum_struct;
nikitateggi 31:0f67acfc6236 479 }*/
nikitateggi 31:0f67acfc6236 480
nikitateggi 31:0f67acfc6236 481 uint8_t checksum_struct(const uint8_t data[], uint16_t numBytes) // calculating checksum for
nikitateggi 31:0f67acfc6236 482 {
nikitateggi 31:0f67acfc6236 483 uint32_t chksum_struct = 0;
nikitateggi 31:0f67acfc6236 484 uint16_t index = 0;
nikitateggi 31:0f67acfc6236 485
nikitateggi 31:0f67acfc6236 486 for (index=0U; index < (numBytes-1); index++)
nikitateggi 31:0f67acfc6236 487 {
nikitateggi 31:0f67acfc6236 488 chksum_struct += data[index];
nikitateggi 31:0f67acfc6236 489 //blue.printf("data=%02x\n",data[index]);
nikitateggi 31:0f67acfc6236 490
nikitateggi 31:0f67acfc6236 491 }
nikitateggi 31:0f67acfc6236 492 // blue.printf("%08x\n",chksum_struct);
nikitateggi 31:0f67acfc6236 493 return chksum_struct;
nikitateggi 22:ffa88619551d 494 }
nikitateggi 31:0f67acfc6236 495
nikitateggi 31:0f67acfc6236 496
nikitateggi 31:0f67acfc6236 497 uint8_t checksum(const uint8_t data[], uint32_t numBytes) // this function to calculate the checksum for the raw data
nikitateggi 31:0f67acfc6236 498 {
nikitateggi 31:0f67acfc6236 499
nikitateggi 31:0f67acfc6236 500 uint32_t sum=0;
nikitateggi 31:0f67acfc6236 501 uint8_t chksum_datatrfr=0;
nikitateggi 31:0f67acfc6236 502 uint8_t i = 0;
nikitateggi 31:0f67acfc6236 503 uint32_t index = 0;
nikitateggi 31:0f67acfc6236 504 uint32_t index1 = 0;
nikitateggi 31:0f67acfc6236 505 sum += sos;
nikitateggi 31:0f67acfc6236 506 sum += data_trfr;
nikitateggi 31:0f67acfc6236 507 index1=(numBytes*4);
nikitateggi 31:0f67acfc6236 508 sum +=(index1>>(8*0))&0xFF;
nikitateggi 31:0f67acfc6236 509 sum +=(index1>>(8*1))&0xFF;
nikitateggi 31:0f67acfc6236 510
nikitateggi 31:0f67acfc6236 511 for (index=0U; index<(numBytes*4); index++)
nikitateggi 31:0f67acfc6236 512 {
nikitateggi 31:0f67acfc6236 513 sum += data[index];
nikitateggi 31:0f67acfc6236 514
nikitateggi 31:0f67acfc6236 515 }
nikitateggi 31:0f67acfc6236 516
nikitateggi 31:0f67acfc6236 517 sum+=eos;
nikitateggi 31:0f67acfc6236 518
nikitateggi 31:0f67acfc6236 519 chksum_datatrfr = sum & 0x000000FF;
nikitateggi 31:0f67acfc6236 520 mc.printf("chksum_datatrfr=%02x\n",chksum_datatrfr);
nikitateggi 31:0f67acfc6236 521 return chksum_datatrfr;
avp2417 36:00d96aa14658 522 }