rashmi v / Mbed 2 deprecated SS_SensePOC2P0_12Dec2017_USERPID

created separate function for hex to char

Dependencies:   SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217

Fork of SS_SensePOC2P0_11Dec2017_USERPID by rashmi v

bt.cpp@46:162ed3f051b2, 2017-09-13 (annotated)

Committer:
nikitateggi
Date:
Wed Sep 13 06:06:41 2017 +0000
Revision:
46:162ed3f051b2
Parent:
45:067673dae242
Child:
47:3716dd41dba6
updated;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nikitateggi 19:1650bbc923cc 1 #include "mbed.h"
nikitateggi 19:1650bbc923cc 2 #include "sdcard.h"
nikitateggi 19:1650bbc923cc 3 #include "struct.h"
nikitateggi 44:05dbea558c9a 4 #include "eeprom_pgm.h"
nikitateggi 44:05dbea558c9a 5 #include "main.h"
nikitateggi 44:05dbea558c9a 6
nikitateggi 45:067673dae242 7 #define ACK 0x00 /// changed //16/06 #define all the values removing structure
nikitateggi 45:067673dae242 8 #define START_OF_FILE 0x01
nikitateggi 45:067673dae242 9 #define END_OF_FILE 0x02
nikitateggi 45:067673dae242 10 #define DATA_TRFR 0x03
nikitateggi 45:067673dae242 11 #define NACK 0xFF
nikitateggi 45:067673dae242 12 #define SOS 0xc0
nikitateggi 45:067673dae242 13 #define EOS 0xc0
nikitateggi 45:067673dae242 14 #define NO_OF_SAMPLES 600 //changed the buffer size from 150- 22/7/17- suhasini
nikitateggi 45:067673dae242 15 #define CHKSUM 0x80
nikitateggi 45:067673dae242 16 #define STRUCTURE_LENGTH 26
nikitateggi 19:1650bbc923cc 17
nikitateggi 22:ffa88619551d 18 BLEMsg_info *bt_file;
nikitateggi 22:ffa88619551d 19 Point *myBleMsg;
nikitateggi 27:907f8ce0025e 20
nikitateggi 27:907f8ce0025e 21 Serial mc(USBTX,USBRX); // serial terminal
nikitateggi 27:907f8ce0025e 22 Serial blue(PTC4,PTC3); // communicating bluetooth through serial
nikitateggi 27:907f8ce0025e 23
nikitateggi 28:65f2d80b7eb7 24 static uint32_t total_samples=0; // variable to hold total number of samples
nikitateggi 19:1650bbc923cc 25 Point b; // structure copy
nikitateggi 19:1650bbc923cc 26 BLEMsg_info bt_file1; // structure copy
nikitateggi 28:65f2d80b7eb7 27 static uint32_t total_file_size=0; // to determine the size of the file
nikitateggi 44:05dbea558c9a 28 static uint32_t total_file_size_sent=0;
nikitateggi 28:65f2d80b7eb7 29 static uint32_t file_start=0; // variable for 'for loop'
nikitateggi 44:05dbea558c9a 30 //static uint32_t j=0;
nikitateggi 27:907f8ce0025e 31 uint8_t count_send=0;
nikitateggi 28:65f2d80b7eb7 32 static uint32_t file_pointer_position=0;
nikitateggi 28:65f2d80b7eb7 33 static uint32_t counter=0;
nikitateggi 44:05dbea558c9a 34 static uint32_t v1[NO_OF_SAMPLES];
nikitateggi 27:907f8ce0025e 35 uint8_t file=0;
nikitateggi 44:05dbea558c9a 36
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 44:05dbea558c9a 41 blue.baud(115200); // baud rate of bluetooth
nikitateggi 44:05dbea558c9a 42 bt_file=&bt_file1;
nikitateggi 44:05dbea558c9a 43 myBleMsg=&b;
nikitateggi 44:05dbea558c9a 44 int8_t check_sum=0;
nikitateggi 44:05dbea558c9a 45 uint8_t state_rx =0;
nikitateggi 27:907f8ce0025e 46
nikitateggi 45:067673dae242 47 switch(state_tx)
nikitateggi 19:1650bbc923cc 48 {
nikitateggi 19:1650bbc923cc 49
nikitateggi 27:907f8ce0025e 50 case 1:
nikitateggi 44:05dbea558c9a 51 state_tx =0;
nikitateggi 27:907f8ce0025e 52 counter=0;
nikitateggi 44:05dbea558c9a 53 total_file_size_sent=0;
nikitateggi 45:067673dae242 54 file_start=0;
nikitateggi 45:067673dae242 55 count_send=0; total_samples=0;
nikitateggi 27:907f8ce0025e 56 file_pointer_position=0;
nikitateggi 45:067673dae242 57
nikitateggi 45:067673dae242 58 if(get_filepid()>get_btpid()) //check for pid and bluetooth pid by reading from file
nikitateggi 44:05dbea558c9a 59 {
nikitateggi 44:05dbea558c9a 60 send_initial_string();
nikitateggi 44:05dbea558c9a 61 state_rx = 1;
nikitateggi 44:05dbea558c9a 62 blue.printf("\n");
nikitateggi 44:05dbea558c9a 63 }
nikitateggi 44:05dbea558c9a 64
nikitateggi 44:05dbea558c9a 65 else
nikitateggi 44:05dbea558c9a 66 {
nikitateggi 45:067673dae242 67 state_rx =0; //no files to send
nikitateggi 44:05dbea558c9a 68 mc.printf("no file to send\n");
nikitateggi 44:05dbea558c9a 69 }
nikitateggi 44:05dbea558c9a 70 break;
nikitateggi 44:05dbea558c9a 71
nikitateggi 19:1650bbc923cc 72
nikitateggi 44:05dbea558c9a 73 case 2: total_samples=0;
nikitateggi 44:05dbea558c9a 74 file=sd_open_read(get_btpid());
nikitateggi 45:067673dae242 75 total_file_size=file_size() ; // determined the file size
nikitateggi 45:067673dae242 76 sd_read1(bt_file1); // read the sd card file
avp2417 36:00d96aa14658 77 mc.printf("sd file opened to read data in it\n");
nikitateggi 45:067673dae242 78 myBleMsg->bt_msg=bt_file1; //copy the contents to the structure
nikitateggi 45:067673dae242 79 send_structure(); // send the structure string
avp2417 36:00d96aa14658 80 blue.printf("\n");
avp2417 36:00d96aa14658 81 mc.printf("sent initial string\n");
nikitateggi 27:907f8ce0025e 82 total_samples= myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp;
nikitateggi 19:1650bbc923cc 83 state_tx =0;
nikitateggi 19:1650bbc923cc 84 state_rx =2;
nikitateggi 27:907f8ce0025e 85 count_send=0;
nikitateggi 44:05dbea558c9a 86 total_file_size_sent=file_size1();
nikitateggi 19:1650bbc923cc 87 break;
nikitateggi 19:1650bbc923cc 88
nikitateggi 19:1650bbc923cc 89
nikitateggi 44:05dbea558c9a 90 case 3:
nikitateggi 44:05dbea558c9a 91 counter=0;
nikitateggi 44:05dbea558c9a 92 if(count_send<(total_samples/NO_OF_SAMPLES))
nikitateggi 44:05dbea558c9a 93 {
nikitateggi 44:05dbea558c9a 94 sd_read(v1,NO_OF_SAMPLES);
nikitateggi 44:05dbea558c9a 95 counter=NO_OF_SAMPLES; //read 1500 samples
nikitateggi 44:05dbea558c9a 96 send_data_str1();
nikitateggi 44:05dbea558c9a 97 for(file_start=0;file_start<(NO_OF_SAMPLES);file_start++)
nikitateggi 44:05dbea558c9a 98 {
nikitateggi 19:1650bbc923cc 99
nikitateggi 44:05dbea558c9a 100 blue.printf("%08x", v1[file_start]);
nikitateggi 27:907f8ce0025e 101
nikitateggi 44:05dbea558c9a 102 }
avp2417 36:00d96aa14658 103
nikitateggi 44:05dbea558c9a 104 check_sum=checksum_rawdata((uint8_t *)v1,counter); // calculating checksum // calculating checksum
nikitateggi 44:05dbea558c9a 105 state_tx =0;
nikitateggi 44:05dbea558c9a 106 state_rx =3;
nikitateggi 44:05dbea558c9a 107 send_data_str2(check_sum); // send the remaining part of the string
nikitateggi 19:1650bbc923cc 108
nikitateggi 44:05dbea558c9a 109 }
nikitateggi 19:1650bbc923cc 110
nikitateggi 44:05dbea558c9a 111 else
nikitateggi 44:05dbea558c9a 112 {
nikitateggi 44:05dbea558c9a 113 for(uint16_t l=0;l<NO_OF_SAMPLES;l++)
nikitateggi 44:05dbea558c9a 114 {
nikitateggi 44:05dbea558c9a 115 v1[l]=NULL;
nikitateggi 44:05dbea558c9a 116 }
nikitateggi 44:05dbea558c9a 117 counter=(total_samples-( NO_OF_SAMPLES*count_send));
nikitateggi 27:907f8ce0025e 118 send_data_str1();
nikitateggi 44:05dbea558c9a 119 sd_read(v1,(total_samples-( NO_OF_SAMPLES*count_send)));
nikitateggi 44:05dbea558c9a 120
nikitateggi 44:05dbea558c9a 121 for(file_start=0;file_start<(total_samples-( NO_OF_SAMPLES*count_send));file_start++)
nikitateggi 19:1650bbc923cc 122 {
nikitateggi 24:d992ee8369f4 123 blue.printf("%08x", v1[file_start]);
nikitateggi 27:907f8ce0025e 124
nikitateggi 19:1650bbc923cc 125 }
nikitateggi 27:907f8ce0025e 126
nikitateggi 19:1650bbc923cc 127 state_tx=0;
nikitateggi 19:1650bbc923cc 128 state_rx=4;
nikitateggi 44:05dbea558c9a 129 check_sum=checksum_rawdata((uint8_t *)v1,counter); // calculating checksum
nikitateggi 22:ffa88619551d 130 send_data_str2(check_sum);
nikitateggi 19:1650bbc923cc 131 }
nikitateggi 19:1650bbc923cc 132
nikitateggi 45:067673dae242 133 total_file_size_sent=file_size1();
nikitateggi 27:907f8ce0025e 134 blue.printf("\n");
nikitateggi 27:907f8ce0025e 135 break;
nikitateggi 19:1650bbc923cc 136
nikitateggi 19:1650bbc923cc 137
nikitateggi 44:05dbea558c9a 138 case 4: total_file_size_sent=file_size1();
nikitateggi 44:05dbea558c9a 139 if(total_file_size_sent==total_file_size) // if the total file size is same as total file size
nikitateggi 27:907f8ce0025e 140 { // then there is no more data to send in that particular file
nikitateggi 19:1650bbc923cc 141
nikitateggi 44:05dbea558c9a 142 state_rx=5;
nikitateggi 44:05dbea558c9a 143 send_last_string();
nikitateggi 24:d992ee8369f4 144 blue.printf("\n");
nikitateggi 44:05dbea558c9a 145
nikitateggi 19:1650bbc923cc 146 }
nikitateggi 19:1650bbc923cc 147 else
nikitateggi 19:1650bbc923cc 148 {
nikitateggi 44:05dbea558c9a 149
nikitateggi 44:05dbea558c9a 150 total_samples=0;
nikitateggi 44:05dbea558c9a 151 sd_read1(bt_file1); // read the sd card file
nikitateggi 46:162ed3f051b2 152 // mc.printf("sd file opened to read data in it\n");
nikitateggi 44:05dbea558c9a 153 myBleMsg->bt_msg=bt_file1; //copy the contents to the structure
nikitateggi 44:05dbea558c9a 154 send_structure(); // send the initial string
nikitateggi 44:05dbea558c9a 155 blue.printf("\n");
nikitateggi 46:162ed3f051b2 156 // mc.printf("sent initial string\n");
nikitateggi 44:05dbea558c9a 157 total_samples= myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp;
nikitateggi 44:05dbea558c9a 158 state_tx =0;
nikitateggi 44:05dbea558c9a 159 state_rx =2;
nikitateggi 44:05dbea558c9a 160 count_send=0;
nikitateggi 44:05dbea558c9a 161 total_file_size_sent=file_size1();
nikitateggi 44:05dbea558c9a 162
nikitateggi 19:1650bbc923cc 163 }
nikitateggi 19:1650bbc923cc 164
nikitateggi 19:1650bbc923cc 165
nikitateggi 27:907f8ce0025e 166
nikitateggi 19:1650bbc923cc 167
nikitateggi 19:1650bbc923cc 168 }
nikitateggi 27:907f8ce0025e 169
nikitateggi 19:1650bbc923cc 170 return state_rx;
nikitateggi 19:1650bbc923cc 171
nikitateggi 19:1650bbc923cc 172 }
nikitateggi 19:1650bbc923cc 173
nikitateggi 19:1650bbc923cc 174
nikitateggi 19:1650bbc923cc 175
nikitateggi 19:1650bbc923cc 176
nikitateggi 19:1650bbc923cc 177 uint8_t bt_receive (uint8_t state_rx)
nikitateggi 19:1650bbc923cc 178 {
nikitateggi 19:1650bbc923cc 179
nikitateggi 45:067673dae242 180 unsigned char state_tx =1; //state for transmitting
nikitateggi 44:05dbea558c9a 181 uint8_t ack_rx=0; // varibale to receive ack from the bluetooth
nikitateggi 27:907f8ce0025e 182 uint8_t sos_rx=0; // sos received from app
nikitateggi 27:907f8ce0025e 183 uint8_t eos_rx=0; // eos received from app
nikitateggi 44:05dbea558c9a 184 uint32_t length_rx=0;
nikitateggi 44:05dbea558c9a 185 uint8_t chksum_rx=0;
nikitateggi 44:05dbea558c9a 186
nikitateggi 45:067673dae242 187 while (blue.readable()) // reading from bluetooth app
nikitateggi 44:05dbea558c9a 188 {
nikitateggi 44:05dbea558c9a 189 blue.scanf("%02x", &sos_rx);
nikitateggi 44:05dbea558c9a 190 blue.scanf("%02x", &ack_rx);
nikitateggi 44:05dbea558c9a 191 blue.scanf("%08x", &length_rx);
nikitateggi 44:05dbea558c9a 192 blue.scanf("%02x", &eos_rx);
nikitateggi 44:05dbea558c9a 193 blue.scanf("%02x", &chksum_rx);
nikitateggi 44:05dbea558c9a 194 break;
nikitateggi 44:05dbea558c9a 195 }
nikitateggi 46:162ed3f051b2 196 // mc.printf("%02x%02x%08x%02x%02x", sos_rx,ack_rx,length_rx,eos_rx,chksum_rx);
nikitateggi 44:05dbea558c9a 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 45:067673dae242 204 if ((ack_rx == ACK) && (chksum_rx == CHKSUM)) // check for ack and checksum
nikitateggi 44:05dbea558c9a 205
nikitateggi 19:1650bbc923cc 206 {
nikitateggi 19:1650bbc923cc 207
nikitateggi 19:1650bbc923cc 208 state_tx=2;
nikitateggi 19:1650bbc923cc 209 }
nikitateggi 19:1650bbc923cc 210
nikitateggi 22:ffa88619551d 211 else
nikitateggi 19:1650bbc923cc 212
nikitateggi 19:1650bbc923cc 213 {
nikitateggi 19:1650bbc923cc 214
nikitateggi 19:1650bbc923cc 215 state_tx=1;
nikitateggi 44:05dbea558c9a 216 // sd_close();
nikitateggi 19:1650bbc923cc 217 }
nikitateggi 19:1650bbc923cc 218 break;
nikitateggi 19:1650bbc923cc 219
nikitateggi 19:1650bbc923cc 220 case 2: state_rx =0; //wait for the ack
nikitateggi 44:05dbea558c9a 221
nikitateggi 45:067673dae242 222 if ((ack_rx == ACK) && (chksum_rx == CHKSUM))
nikitateggi 19:1650bbc923cc 223 {
nikitateggi 19:1650bbc923cc 224
nikitateggi 19:1650bbc923cc 225 state_tx=3;
nikitateggi 44:05dbea558c9a 226 file_pointer_position=total_file_size_sent;
nikitateggi 19:1650bbc923cc 227 }
nikitateggi 19:1650bbc923cc 228
nikitateggi 19:1650bbc923cc 229 else
nikitateggi 19:1650bbc923cc 230
nikitateggi 19:1650bbc923cc 231 {
nikitateggi 19:1650bbc923cc 232
nikitateggi 19:1650bbc923cc 233 state_tx=2;
nikitateggi 22:ffa88619551d 234 setpos1(file_pointer_position);
nikitateggi 46:162ed3f051b2 235 sd_close(); //file closed which was opened earlier because it opens again in bt_send case 1
nikitateggi 27:907f8ce0025e 236
nikitateggi 19:1650bbc923cc 237 }
nikitateggi 27:907f8ce0025e 238 //blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx);
nikitateggi 19:1650bbc923cc 239 break;
nikitateggi 19:1650bbc923cc 240
nikitateggi 19:1650bbc923cc 241
nikitateggi 19:1650bbc923cc 242 case 3:
nikitateggi 19:1650bbc923cc 243 state_rx =0;
nikitateggi 45:067673dae242 244 if ((ack_rx == ACK) && (chksum_rx == CHKSUM))
nikitateggi 19:1650bbc923cc 245 {
nikitateggi 19:1650bbc923cc 246
nikitateggi 45:067673dae242 247 state_tx=3;
nikitateggi 27:907f8ce0025e 248 count_send=count_send+1;
nikitateggi 45:067673dae242 249 file_pointer_position=total_file_size_sent;
nikitateggi 19:1650bbc923cc 250 }
nikitateggi 19:1650bbc923cc 251
nikitateggi 19:1650bbc923cc 252 else
nikitateggi 19:1650bbc923cc 253
nikitateggi 19:1650bbc923cc 254 {
nikitateggi 27:907f8ce0025e 255
nikitateggi 19:1650bbc923cc 256 state_tx=3;
nikitateggi 44:05dbea558c9a 257 file_start=file_start- NO_OF_SAMPLES;
nikitateggi 44:05dbea558c9a 258 setpos1(file_pointer_position);
nikitateggi 44:05dbea558c9a 259 }
nikitateggi 44:05dbea558c9a 260
nikitateggi 44:05dbea558c9a 261 break;
nikitateggi 44:05dbea558c9a 262
nikitateggi 44:05dbea558c9a 263 case 4:
nikitateggi 44:05dbea558c9a 264 state_rx =0;
nikitateggi 45:067673dae242 265 if ((ack_rx == ACK) && (chksum_rx == CHKSUM))
nikitateggi 44:05dbea558c9a 266 {
nikitateggi 45:067673dae242 267 state_tx=4;
nikitateggi 44:05dbea558c9a 268 count_send=count_send+1;
nikitateggi 45:067673dae242 269 file_pointer_position=total_file_size_sent;
nikitateggi 44:05dbea558c9a 270 }
nikitateggi 44:05dbea558c9a 271
nikitateggi 44:05dbea558c9a 272 else
nikitateggi 44:05dbea558c9a 273
nikitateggi 44:05dbea558c9a 274 {
nikitateggi 44:05dbea558c9a 275
nikitateggi 44:05dbea558c9a 276 state_tx=3;
nikitateggi 44:05dbea558c9a 277 file_start=file_start- NO_OF_SAMPLES;
nikitateggi 19:1650bbc923cc 278 setpos1(file_pointer_position);
nikitateggi 19:1650bbc923cc 279 }
nikitateggi 19:1650bbc923cc 280 break;
nikitateggi 19:1650bbc923cc 281
nikitateggi 44:05dbea558c9a 282
nikitateggi 44:05dbea558c9a 283 case 5: state_rx = 0;
nikitateggi 45:067673dae242 284 if ((ack_rx == ACK) && (chksum_rx == CHKSUM))
nikitateggi 44:05dbea558c9a 285 {
nikitateggi 44:05dbea558c9a 286 sd_close();
nikitateggi 45:067673dae242 287 increment_btpid(); // increment the bluetooth pid and write in the file
nikitateggi 44:05dbea558c9a 288 mc.printf("next file");
nikitateggi 44:05dbea558c9a 289 state_tx=1;
nikitateggi 44:05dbea558c9a 290
nikitateggi 44:05dbea558c9a 291 }
nikitateggi 27:907f8ce0025e 292
nikitateggi 44:05dbea558c9a 293 else
nikitateggi 44:05dbea558c9a 294 {
nikitateggi 44:05dbea558c9a 295 state_tx = 4;
nikitateggi 27:907f8ce0025e 296
nikitateggi 44:05dbea558c9a 297 }
nikitateggi 44:05dbea558c9a 298 break;
nikitateggi 19:1650bbc923cc 299
nikitateggi 19:1650bbc923cc 300 }
nikitateggi 27:907f8ce0025e 301
nikitateggi 19:1650bbc923cc 302 return state_tx;
nikitateggi 19:1650bbc923cc 303 }
nikitateggi 19:1650bbc923cc 304
nikitateggi 19:1650bbc923cc 305
nikitateggi 19:1650bbc923cc 306
nikitateggi 19:1650bbc923cc 307
nikitateggi 19:1650bbc923cc 308
nikitateggi 19:1650bbc923cc 309
nikitateggi 19:1650bbc923cc 310
nikitateggi 44:05dbea558c9a 311 void send_structure() // function to send the structure to bluetooth
nikitateggi 19:1650bbc923cc 312 {
nikitateggi 45:067673dae242 313 myBleMsg->start_of_string=SOS;
nikitateggi 45:067673dae242 314 myBleMsg->length_file = STRUCTURE_LENGTH;
nikitateggi 45:067673dae242 315 myBleMsg->proto=DATA_TRFR; // data transfer mode
nikitateggi 45:067673dae242 316 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 45:067673dae242 317 blue.printf("%02x",myBleMsg->proto);
nikitateggi 45:067673dae242 318 blue.printf("%08x",myBleMsg->length_file); //changed the sequence
nikitateggi 45:067673dae242 319 blue.printf("%08x",myBleMsg->bt_msg.length);
nikitateggi 45:067673dae242 320 blue.printf("%02x",myBleMsg->bt_msg.device_id);
nikitateggi 45:067673dae242 321 blue.printf("%08x",myBleMsg->bt_msg.patient_id);
nikitateggi 45:067673dae242 322 blue.printf("%02x",myBleMsg->bt_msg.date_time.date);
nikitateggi 45:067673dae242 323 blue.printf("%02x",myBleMsg->bt_msg.date_time.month);
nikitateggi 45:067673dae242 324 blue.printf("%02x",myBleMsg->bt_msg.date_time.year);
nikitateggi 45:067673dae242 325 blue.printf("%02x",myBleMsg->bt_msg.date_time.hour);
nikitateggi 45:067673dae242 326 blue.printf("%02x",myBleMsg->bt_msg.date_time.mins);
nikitateggi 45:067673dae242 327 blue.printf("%02x",myBleMsg->bt_msg.date_time.sec);
nikitateggi 45:067673dae242 328 blue.printf("%02x",myBleMsg->bt_msg.test_type);
nikitateggi 45:067673dae242 329 blue.printf("%04x",myBleMsg->bt_msg.sampling_freq);
nikitateggi 45:067673dae242 330 blue.printf("%04x",myBleMsg->bt_msg.num_samples. num_sample_ppg_dummy);
nikitateggi 45:067673dae242 331 blue.printf("%04x",myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp);
nikitateggi 45:067673dae242 332 blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_sbp_dummy);
nikitateggi 45:067673dae242 333 blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_dbp_OTtyp);
nikitateggi 45:067673dae242 334 myBleMsg->end_of_string=EOS;
nikitateggi 45:067673dae242 335 myBleMsg->chk_sum = checksum_struct((uint8_t *)myBleMsg, sizeof(Point));
nikitateggi 45:067673dae242 336 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 45:067673dae242 337 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 44:05dbea558c9a 338
nikitateggi 19:1650bbc923cc 339
nikitateggi 19:1650bbc923cc 340 }
nikitateggi 19:1650bbc923cc 341
nikitateggi 44:05dbea558c9a 342 void send_initial_string() // function to send the initial string at the start f communication to bluetooth
nikitateggi 22:ffa88619551d 343 {
nikitateggi 22:ffa88619551d 344
nikitateggi 45:067673dae242 345 uint8_t sum_init=0 ;
nikitateggi 45:067673dae242 346 myBleMsg->start_of_string=SOS;
nikitateggi 45:067673dae242 347 myBleMsg->length_file=0;
nikitateggi 45:067673dae242 348 myBleMsg->proto=START_OF_FILE;
nikitateggi 45:067673dae242 349 sum_init=checksum_init();
nikitateggi 45:067673dae242 350 myBleMsg->chk_sum=sum_init;
nikitateggi 45:067673dae242 351 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 45:067673dae242 352 blue.printf("%02x",myBleMsg->proto);
nikitateggi 45:067673dae242 353 blue.printf("%08x",myBleMsg->length_file); // chnged
nikitateggi 45:067673dae242 354 myBleMsg->end_of_string=EOS;
nikitateggi 45:067673dae242 355 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 45:067673dae242 356 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 19:1650bbc923cc 357
nikitateggi 19:1650bbc923cc 358 }
nikitateggi 22:ffa88619551d 359
nikitateggi 22:ffa88619551d 360
nikitateggi 27:907f8ce0025e 361 uint8_t checksum_init() // function to calculate the checksum for the initial string
nikitateggi 22:ffa88619551d 362 {
nikitateggi 22:ffa88619551d 363
nikitateggi 45:067673dae242 364 uint32_t sum = 0;
nikitateggi 45:067673dae242 365 uint8_t chksum_init = 0;
nikitateggi 44:05dbea558c9a 366 sum=SOS+EOS+START_OF_FILE;
nikitateggi 45:067673dae242 367 chksum_init = sum & 0x000000FF;
nikitateggi 22:ffa88619551d 368 return chksum_init;
nikitateggi 22:ffa88619551d 369 }
nikitateggi 22:ffa88619551d 370
nikitateggi 27:907f8ce0025e 371 uint8_t checksum_last() // function to calculate the checksum for the last string
nikitateggi 22:ffa88619551d 372 {
nikitateggi 22:ffa88619551d 373
nikitateggi 45:067673dae242 374 uint32_t sum = 0;
nikitateggi 45:067673dae242 375 uint8_t chksum_last = 0;
nikitateggi 44:05dbea558c9a 376 sum=SOS+EOS+END_OF_FILE; // changed //16/06 #define all the values removing structure
nikitateggi 22:ffa88619551d 377 chksum_last=sum & 0x000000FF;
nikitateggi 22:ffa88619551d 378 return chksum_last;
nikitateggi 22:ffa88619551d 379 }
nikitateggi 22:ffa88619551d 380
nikitateggi 45:067673dae242 381 void send_last_string() // function to send the last string to the bluetooth // which determines the end of file
nikitateggi 22:ffa88619551d 382 {
nikitateggi 45:067673dae242 383 uint8_t sum_last=0;
nikitateggi 45:067673dae242 384 myBleMsg->start_of_string = SOS;
nikitateggi 45:067673dae242 385 myBleMsg->length_file = 0;
nikitateggi 45:067673dae242 386 myBleMsg->proto=END_OF_FILE;
nikitateggi 45:067673dae242 387 sum_last=checksum_last();
nikitateggi 45:067673dae242 388 myBleMsg->chk_sum=sum_last;
nikitateggi 45:067673dae242 389 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 45:067673dae242 390 blue.printf("%02x",myBleMsg->proto);
nikitateggi 45:067673dae242 391 blue.printf("%08x",myBleMsg->length_file); // chnged
nikitateggi 45:067673dae242 392 myBleMsg->end_of_string=EOS;
nikitateggi 45:067673dae242 393 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 45:067673dae242 394 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 45:067673dae242 395
nikitateggi 45:067673dae242 396 }
nikitateggi 22:ffa88619551d 397
nikitateggi 45:067673dae242 398 void send_data_str1() // function to send a part of the structure // after this raw data is sent//
nikitateggi 45:067673dae242 399 {
nikitateggi 45:067673dae242 400 myBleMsg->start_of_string=SOS;
nikitateggi 45:067673dae242 401 myBleMsg->length_file=(counter*4);
nikitateggi 45:067673dae242 402 myBleMsg->proto=DATA_TRFR;
nikitateggi 45:067673dae242 403 blue.printf("%02x",myBleMsg->start_of_string);
nikitateggi 45:067673dae242 404 blue.printf("%02x",myBleMsg->proto); // chnaged
nikitateggi 45:067673dae242 405 blue.printf("%08x",myBleMsg->length_file);
nikitateggi 45:067673dae242 406
nikitateggi 45:067673dae242 407 }
nikitateggi 19:1650bbc923cc 408
nikitateggi 19:1650bbc923cc 409
nikitateggi 19:1650bbc923cc 410
nikitateggi 45:067673dae242 411 void send_data_str2(uint8_t check_sum) // after raw data// this last part of structure is sent
nikitateggi 45:067673dae242 412 {
nikitateggi 45:067673dae242 413 myBleMsg->chk_sum=check_sum;
nikitateggi 45:067673dae242 414 myBleMsg->end_of_string=EOS;
nikitateggi 45:067673dae242 415 blue.printf("%02x",myBleMsg->end_of_string);
nikitateggi 45:067673dae242 416 blue.printf("%02x",myBleMsg->chk_sum);
nikitateggi 45:067673dae242 417
nikitateggi 45:067673dae242 418 }
nikitateggi 19:1650bbc923cc 419
nikitateggi 31:0f67acfc6236 420
nikitateggi 31:0f67acfc6236 421 uint8_t checksum_struct(const uint8_t data[], uint16_t numBytes) // calculating checksum for
nikitateggi 31:0f67acfc6236 422 {
nikitateggi 31:0f67acfc6236 423 uint32_t chksum_struct = 0;
nikitateggi 31:0f67acfc6236 424 uint16_t index = 0;
nikitateggi 31:0f67acfc6236 425
nikitateggi 31:0f67acfc6236 426 for (index=0U; index < (numBytes-1); index++)
nikitateggi 31:0f67acfc6236 427 {
nikitateggi 31:0f67acfc6236 428 chksum_struct += data[index];
nikitateggi 31:0f67acfc6236 429 //blue.printf("data=%02x\n",data[index]);
nikitateggi 31:0f67acfc6236 430
nikitateggi 31:0f67acfc6236 431 }
nikitateggi 31:0f67acfc6236 432 // blue.printf("%08x\n",chksum_struct);
nikitateggi 31:0f67acfc6236 433 return chksum_struct;
nikitateggi 22:ffa88619551d 434 }
nikitateggi 31:0f67acfc6236 435
nikitateggi 31:0f67acfc6236 436
nikitateggi 44:05dbea558c9a 437 uint8_t checksum_rawdata(const uint8_t data[], uint32_t numBytes) // this function to calculate the checksum for the raw data
nikitateggi 31:0f67acfc6236 438 {
nikitateggi 31:0f67acfc6236 439
nikitateggi 45:067673dae242 440 uint32_t sum=0;
nikitateggi 45:067673dae242 441 uint8_t chksum_datatrfr=0;
nikitateggi 45:067673dae242 442 uint32_t index = 0;
nikitateggi 45:067673dae242 443 uint32_t index1 = 0;
nikitateggi 44:05dbea558c9a 444 sum += SOS;
nikitateggi 44:05dbea558c9a 445 sum += DATA_TRFR;
nikitateggi 45:067673dae242 446 index1=(numBytes*4);
nikitateggi 45:067673dae242 447 sum +=(index1>>(8*0))&0xFF;
nikitateggi 31:0f67acfc6236 448 sum +=(index1>>(8*1))&0xFF;
nikitateggi 31:0f67acfc6236 449
nikitateggi 45:067673dae242 450 for (index=0U; index<(numBytes*4); index++)
nikitateggi 45:067673dae242 451 {
nikitateggi 31:0f67acfc6236 452 sum += data[index];
nikitateggi 45:067673dae242 453 }
nikitateggi 31:0f67acfc6236 454
nikitateggi 45:067673dae242 455 sum+=EOS;
nikitateggi 31:0f67acfc6236 456
nikitateggi 45:067673dae242 457 chksum_datatrfr = sum & 0x000000FF;
nikitateggi 44:05dbea558c9a 458 //mc.printf("chksum_datatrfr=%02x\n",chksum_datatrfr);
nikitateggi 45:067673dae242 459 return chksum_datatrfr;
nikitateggi 44:05dbea558c9a 460 }
nikitateggi 44:05dbea558c9a 461
nikitateggi 44:05dbea558c9a 462
nikitateggi 44:05dbea558c9a 463
nikitateggi 44:05dbea558c9a 464