created separate function for hex to char
Dependencies: SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217
Fork of SS_SensePOC2P0_11Dec2017_USERPID by
bt.cpp@66:d7fc45e328d0, 2017-11-20 (annotated)
- Committer:
- rashmivenkataramaiah
- Date:
- Mon Nov 20 09:52:59 2017 +0000
- Revision:
- 66:d7fc45e328d0
- Parent:
- 65:8acfba0ce49a
- Child:
- 67:7e07cdb1b150
- While sending Response message: format specifier changed to %02x.; - enum device state was created.
Who changed what in which revision?
User | Revision | Line number | New 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 | 52:7d9ff7781bdc | 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 |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 17 | #define POC2P0_BT_RX_MSG_LEN 0x05U |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 18 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 19 | typedef struct __attribute__((__packed__)) |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 20 | { |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 21 | uint8_t sos; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 22 | uint8_t cmd; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 23 | uint8_t length; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 24 | uint8_t eos; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 25 | uint8_t chksum; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 26 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 27 | }poc2p0_bluetooth_msg_request; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 28 | |
rashmivenkataramaiah | 59:dadb88794375 | 29 | poc2p0_bluetooth_msg_request poc2p0_bt_msg_req = {0}; |
rashmivenkataramaiah | 59:dadb88794375 | 30 | static void poc2p0_ascii_to_hex(const uint8_t input_buffer[], uint8_t len); |
rashmivenkataramaiah | 59:dadb88794375 | 31 | |
nikitateggi | 22:ffa88619551d | 32 | BLEMsg_info *bt_file; |
nikitateggi | 22:ffa88619551d | 33 | Point *myBleMsg; |
nikitateggi | 52:7d9ff7781bdc | 34 | |
nikitateggi | 27:907f8ce0025e | 35 | Serial mc(USBTX,USBRX); // serial terminal |
nikitateggi | 27:907f8ce0025e | 36 | Serial blue(PTC4,PTC3); // communicating bluetooth through serial |
nikitateggi | 27:907f8ce0025e | 37 | |
rashmivenkataramaiah | 59:dadb88794375 | 38 | static uint32_t total_samples=0; // variable to hold total number of samples |
rashmivenkataramaiah | 59:dadb88794375 | 39 | Point b; // structure copy |
rashmivenkataramaiah | 59:dadb88794375 | 40 | BLEMsg_info bt_file1; // structure copy |
rashmivenkataramaiah | 59:dadb88794375 | 41 | static uint32_t total_file_size=0; // to determine the size of the file |
nikitateggi | 44:05dbea558c9a | 42 | static uint32_t total_file_size_sent=0; |
nikitateggi | 28:65f2d80b7eb7 | 43 | static uint32_t file_start=0; // variable for 'for loop' |
nikitateggi | 44:05dbea558c9a | 44 | //static uint32_t j=0; |
nikitateggi | 27:907f8ce0025e | 45 | uint8_t count_send=0; |
nikitateggi | 28:65f2d80b7eb7 | 46 | static uint32_t file_pointer_position=0; |
nikitateggi | 28:65f2d80b7eb7 | 47 | static uint32_t counter=0; |
nikitateggi | 44:05dbea558c9a | 48 | static uint32_t v1[NO_OF_SAMPLES]; |
nikitateggi | 27:907f8ce0025e | 49 | uint8_t file=0; |
nikitateggi | 54:f2a413d5dffd | 50 | static uint32_t bt_pid = 0; |
rashmivenkataramaiah | 59:dadb88794375 | 51 | |
nikitateggi | 52:7d9ff7781bdc | 52 | |
nikitateggi | 19:1650bbc923cc | 53 | uint8_t bt_send(uint8_t state_tx) |
nikitateggi | 19:1650bbc923cc | 54 | { |
rashmivenkataramaiah | 59:dadb88794375 | 55 | mc.format(); |
rashmivenkataramaiah | 59:dadb88794375 | 56 | mc.baud(115200); |
nikitateggi | 44:05dbea558c9a | 57 | blue.baud(115200); // baud rate of bluetooth |
nikitateggi | 44:05dbea558c9a | 58 | bt_file=&bt_file1; |
nikitateggi | 44:05dbea558c9a | 59 | myBleMsg=&b; |
nikitateggi | 44:05dbea558c9a | 60 | int8_t check_sum=0; |
nikitateggi | 44:05dbea558c9a | 61 | uint8_t state_rx =0; |
nikitateggi | 27:907f8ce0025e | 62 | |
nikitateggi | 45:067673dae242 | 63 | switch(state_tx) |
nikitateggi | 19:1650bbc923cc | 64 | { |
nikitateggi | 19:1650bbc923cc | 65 | |
nikitateggi | 27:907f8ce0025e | 66 | case 1: |
nikitateggi | 44:05dbea558c9a | 67 | state_tx =0; |
nikitateggi | 27:907f8ce0025e | 68 | counter=0; |
nikitateggi | 44:05dbea558c9a | 69 | total_file_size_sent=0; |
nikitateggi | 45:067673dae242 | 70 | file_start=0; |
nikitateggi | 45:067673dae242 | 71 | count_send=0; total_samples=0; |
nikitateggi | 27:907f8ce0025e | 72 | file_pointer_position=0; |
nikitateggi | 54:f2a413d5dffd | 73 | bt_pid = get_btpid()+1; //added on 22/09/2017 nikita |
rashmivenkataramaiah | 59:dadb88794375 | 74 | //mc.printf("bt_pid = %d\n",get_btpid()); |
nikitateggi | 56:89eb9a977641 | 75 | if(get_filepid()>=bt_pid) //check for pid and bluetooth pid by reading from file// modified to send till the current pid, 3rd nov// |
nikitateggi | 44:05dbea558c9a | 76 | { |
nikitateggi | 44:05dbea558c9a | 77 | send_initial_string(); |
nikitateggi | 44:05dbea558c9a | 78 | blue.printf("\n"); |
nikitateggi | 54:f2a413d5dffd | 79 | file=sd_open_read(bt_pid); // open the file for reading |
nikitateggi | 48:f90edb35a20e | 80 | total_file_size=file_size(); // determined the file size |
nikitateggi | 47:3716dd41dba6 | 81 | state_rx = 1; |
nikitateggi | 44:05dbea558c9a | 82 | } |
nikitateggi | 44:05dbea558c9a | 83 | |
nikitateggi | 44:05dbea558c9a | 84 | else |
nikitateggi | 44:05dbea558c9a | 85 | { |
nikitateggi | 45:067673dae242 | 86 | state_rx =0; //no files to send |
rashmivenkataramaiah | 59:dadb88794375 | 87 | //mc.printf("no file to send\n"); |
nikitateggi | 44:05dbea558c9a | 88 | } |
nikitateggi | 44:05dbea558c9a | 89 | break; |
nikitateggi | 44:05dbea558c9a | 90 | |
nikitateggi | 19:1650bbc923cc | 91 | |
nikitateggi | 44:05dbea558c9a | 92 | case 2: total_samples=0; |
nikitateggi | 47:3716dd41dba6 | 93 | //file=sd_open_read(get_btpid()); |
nikitateggi | 48:f90edb35a20e | 94 | // total_file_size=file_size() ; // determined the file size |
nikitateggi | 45:067673dae242 | 95 | sd_read1(bt_file1); // read the sd card file |
rashmivenkataramaiah | 59:dadb88794375 | 96 | //mc.printf("sd file opened to read data in it\n"); |
nikitateggi | 45:067673dae242 | 97 | myBleMsg->bt_msg=bt_file1; //copy the contents to the structure |
nikitateggi | 45:067673dae242 | 98 | send_structure(); // send the structure string |
avp2417 | 36:00d96aa14658 | 99 | blue.printf("\n"); |
rashmivenkataramaiah | 59:dadb88794375 | 100 | //mc.printf("sent initial string\n"); |
nikitateggi | 27:907f8ce0025e | 101 | total_samples= myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp; |
nikitateggi | 19:1650bbc923cc | 102 | state_tx =0; |
nikitateggi | 19:1650bbc923cc | 103 | state_rx =2; |
nikitateggi | 27:907f8ce0025e | 104 | count_send=0; |
nikitateggi | 44:05dbea558c9a | 105 | total_file_size_sent=file_size1(); |
nikitateggi | 19:1650bbc923cc | 106 | break; |
nikitateggi | 19:1650bbc923cc | 107 | |
nikitateggi | 19:1650bbc923cc | 108 | |
nikitateggi | 44:05dbea558c9a | 109 | case 3: |
nikitateggi | 44:05dbea558c9a | 110 | counter=0; |
nikitateggi | 44:05dbea558c9a | 111 | if(count_send<(total_samples/NO_OF_SAMPLES)) |
nikitateggi | 44:05dbea558c9a | 112 | { |
nikitateggi | 44:05dbea558c9a | 113 | sd_read(v1,NO_OF_SAMPLES); |
nikitateggi | 44:05dbea558c9a | 114 | counter=NO_OF_SAMPLES; //read 1500 samples |
nikitateggi | 44:05dbea558c9a | 115 | send_data_str1(); |
nikitateggi | 44:05dbea558c9a | 116 | for(file_start=0;file_start<(NO_OF_SAMPLES);file_start++) |
nikitateggi | 44:05dbea558c9a | 117 | { |
nikitateggi | 19:1650bbc923cc | 118 | |
nikitateggi | 44:05dbea558c9a | 119 | blue.printf("%08x", v1[file_start]); |
nikitateggi | 27:907f8ce0025e | 120 | |
nikitateggi | 44:05dbea558c9a | 121 | } |
avp2417 | 36:00d96aa14658 | 122 | |
nikitateggi | 44:05dbea558c9a | 123 | check_sum=checksum_rawdata((uint8_t *)v1,counter); // calculating checksum // calculating checksum |
nikitateggi | 44:05dbea558c9a | 124 | state_tx =0; |
nikitateggi | 44:05dbea558c9a | 125 | state_rx =3; |
nikitateggi | 44:05dbea558c9a | 126 | send_data_str2(check_sum); // send the remaining part of the string |
nikitateggi | 19:1650bbc923cc | 127 | |
nikitateggi | 44:05dbea558c9a | 128 | } |
nikitateggi | 19:1650bbc923cc | 129 | |
nikitateggi | 44:05dbea558c9a | 130 | else |
nikitateggi | 44:05dbea558c9a | 131 | { |
nikitateggi | 44:05dbea558c9a | 132 | for(uint16_t l=0;l<NO_OF_SAMPLES;l++) |
nikitateggi | 44:05dbea558c9a | 133 | { |
nikitateggi | 44:05dbea558c9a | 134 | v1[l]=NULL; |
nikitateggi | 44:05dbea558c9a | 135 | } |
nikitateggi | 44:05dbea558c9a | 136 | counter=(total_samples-( NO_OF_SAMPLES*count_send)); |
nikitateggi | 27:907f8ce0025e | 137 | send_data_str1(); |
nikitateggi | 44:05dbea558c9a | 138 | sd_read(v1,(total_samples-( NO_OF_SAMPLES*count_send))); |
nikitateggi | 44:05dbea558c9a | 139 | |
nikitateggi | 44:05dbea558c9a | 140 | for(file_start=0;file_start<(total_samples-( NO_OF_SAMPLES*count_send));file_start++) |
nikitateggi | 19:1650bbc923cc | 141 | { |
nikitateggi | 24:d992ee8369f4 | 142 | blue.printf("%08x", v1[file_start]); |
nikitateggi | 27:907f8ce0025e | 143 | |
nikitateggi | 19:1650bbc923cc | 144 | } |
nikitateggi | 27:907f8ce0025e | 145 | |
nikitateggi | 19:1650bbc923cc | 146 | state_tx=0; |
nikitateggi | 19:1650bbc923cc | 147 | state_rx=4; |
nikitateggi | 44:05dbea558c9a | 148 | check_sum=checksum_rawdata((uint8_t *)v1,counter); // calculating checksum |
nikitateggi | 22:ffa88619551d | 149 | send_data_str2(check_sum); |
nikitateggi | 19:1650bbc923cc | 150 | } |
nikitateggi | 19:1650bbc923cc | 151 | |
nikitateggi | 45:067673dae242 | 152 | total_file_size_sent=file_size1(); |
nikitateggi | 27:907f8ce0025e | 153 | blue.printf("\n"); |
nikitateggi | 27:907f8ce0025e | 154 | break; |
nikitateggi | 19:1650bbc923cc | 155 | |
nikitateggi | 19:1650bbc923cc | 156 | |
nikitateggi | 48:f90edb35a20e | 157 | case 4: // total_file_size_sent=file_size1(); |
nikitateggi | 44:05dbea558c9a | 158 | if(total_file_size_sent==total_file_size) // if the total file size is same as total file size |
nikitateggi | 27:907f8ce0025e | 159 | { // then there is no more data to send in that particular file |
nikitateggi | 19:1650bbc923cc | 160 | |
nikitateggi | 44:05dbea558c9a | 161 | state_rx=5; |
nikitateggi | 44:05dbea558c9a | 162 | send_last_string(); |
nikitateggi | 24:d992ee8369f4 | 163 | blue.printf("\n"); |
nikitateggi | 44:05dbea558c9a | 164 | |
nikitateggi | 19:1650bbc923cc | 165 | } |
nikitateggi | 19:1650bbc923cc | 166 | else |
nikitateggi | 19:1650bbc923cc | 167 | { |
nikitateggi | 44:05dbea558c9a | 168 | |
nikitateggi | 44:05dbea558c9a | 169 | total_samples=0; |
nikitateggi | 44:05dbea558c9a | 170 | sd_read1(bt_file1); // read the sd card file |
nikitateggi | 46:162ed3f051b2 | 171 | // mc.printf("sd file opened to read data in it\n"); |
nikitateggi | 44:05dbea558c9a | 172 | myBleMsg->bt_msg=bt_file1; //copy the contents to the structure |
nikitateggi | 44:05dbea558c9a | 173 | send_structure(); // send the initial string |
nikitateggi | 44:05dbea558c9a | 174 | blue.printf("\n"); |
nikitateggi | 46:162ed3f051b2 | 175 | // mc.printf("sent initial string\n"); |
nikitateggi | 44:05dbea558c9a | 176 | total_samples= myBleMsg->bt_msg.num_samples.num_sample_ppg_dummy+myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp; |
nikitateggi | 44:05dbea558c9a | 177 | state_tx =0; |
nikitateggi | 44:05dbea558c9a | 178 | state_rx =2; |
nikitateggi | 44:05dbea558c9a | 179 | count_send=0; |
nikitateggi | 44:05dbea558c9a | 180 | total_file_size_sent=file_size1(); |
nikitateggi | 44:05dbea558c9a | 181 | |
nikitateggi | 19:1650bbc923cc | 182 | } |
nikitateggi | 19:1650bbc923cc | 183 | |
nikitateggi | 19:1650bbc923cc | 184 | |
nikitateggi | 52:7d9ff7781bdc | 185 | |
nikitateggi | 52:7d9ff7781bdc | 186 | |
nikitateggi | 19:1650bbc923cc | 187 | } |
nikitateggi | 52:7d9ff7781bdc | 188 | |
nikitateggi | 19:1650bbc923cc | 189 | return state_rx; |
nikitateggi | 19:1650bbc923cc | 190 | |
nikitateggi | 19:1650bbc923cc | 191 | } |
nikitateggi | 19:1650bbc923cc | 192 | |
nikitateggi | 19:1650bbc923cc | 193 | |
nikitateggi | 19:1650bbc923cc | 194 | |
nikitateggi | 19:1650bbc923cc | 195 | |
nikitateggi | 19:1650bbc923cc | 196 | uint8_t bt_receive (uint8_t state_rx) |
nikitateggi | 19:1650bbc923cc | 197 | { |
nikitateggi | 19:1650bbc923cc | 198 | |
nikitateggi | 52:7d9ff7781bdc | 199 | unsigned char state_tx =1; //state for transmitting |
nikitateggi | 52:7d9ff7781bdc | 200 | uint8_t string_length_rx=0; |
nikitateggi | 52:7d9ff7781bdc | 201 | char ack_rx[2]; // varibale to receive ack from the bluetooth |
nikitateggi | 52:7d9ff7781bdc | 202 | char chksum_rx[3]; |
nikitateggi | 52:7d9ff7781bdc | 203 | char btdata_received[17]; |
nikitateggi | 52:7d9ff7781bdc | 204 | |
nikitateggi | 44:05dbea558c9a | 205 | |
nikitateggi | 52:7d9ff7781bdc | 206 | while (blue.readable()!= NULL) // reading string from bluetooth app |
nikitateggi | 52:7d9ff7781bdc | 207 | { |
nikitateggi | 52:7d9ff7781bdc | 208 | blue.scanf("%17s", btdata_received); |
rashmivenkataramaiah | 59:dadb88794375 | 209 | //mc.printf("%s\r\n", btdata_received); |
nikitateggi | 52:7d9ff7781bdc | 210 | |
nikitateggi | 52:7d9ff7781bdc | 211 | } |
nikitateggi | 52:7d9ff7781bdc | 212 | |
nikitateggi | 52:7d9ff7781bdc | 213 | string_length_rx = strlen(btdata_received); // storing the length of the string received |
nikitateggi | 52:7d9ff7781bdc | 214 | memcpy(ack_rx, btdata_received+1, 2); // reading the ack received |
nikitateggi | 52:7d9ff7781bdc | 215 | memcpy(chksum_rx, btdata_received+(string_length_rx-2), 3); // reading the checksum received |
rashmivenkataramaiah | 59:dadb88794375 | 216 | //mc.printf("%s\r\n",ack_rx); |
rashmivenkataramaiah | 59:dadb88794375 | 217 | //mc.printf("%s\r\n",chksum_rx); |
nikitateggi | 44:05dbea558c9a | 218 | |
nikitateggi | 19:1650bbc923cc | 219 | switch(state_rx) |
nikitateggi | 19:1650bbc923cc | 220 | { |
nikitateggi | 19:1650bbc923cc | 221 | |
nikitateggi | 52:7d9ff7781bdc | 222 | case 1: // wait for the ack |
nikitateggi | 22:ffa88619551d | 223 | state_rx=0; |
nikitateggi | 19:1650bbc923cc | 224 | myBleMsg->proto=ACK; |
nikitateggi | 52:7d9ff7781bdc | 225 | if ((strcmp(ack_rx ,"00") == NULL ) && (strcmp(chksum_rx ,"80" ) == NULL)) // check for ack and checksum |
nikitateggi | 44:05dbea558c9a | 226 | |
nikitateggi | 19:1650bbc923cc | 227 | { |
nikitateggi | 19:1650bbc923cc | 228 | |
nikitateggi | 19:1650bbc923cc | 229 | state_tx=2; |
nikitateggi | 19:1650bbc923cc | 230 | } |
nikitateggi | 19:1650bbc923cc | 231 | |
nikitateggi | 22:ffa88619551d | 232 | else |
nikitateggi | 19:1650bbc923cc | 233 | |
nikitateggi | 19:1650bbc923cc | 234 | { |
nikitateggi | 19:1650bbc923cc | 235 | |
nikitateggi | 19:1650bbc923cc | 236 | state_tx=1; |
nikitateggi | 48:f90edb35a20e | 237 | sd_close(); |
nikitateggi | 19:1650bbc923cc | 238 | } |
nikitateggi | 19:1650bbc923cc | 239 | break; |
nikitateggi | 19:1650bbc923cc | 240 | |
nikitateggi | 19:1650bbc923cc | 241 | case 2: state_rx =0; //wait for the ack |
nikitateggi | 44:05dbea558c9a | 242 | |
nikitateggi | 52:7d9ff7781bdc | 243 | if ((strcmp(ack_rx ,"00") == NULL ) && (strcmp(chksum_rx ,"80" ) == NULL)) |
nikitateggi | 19:1650bbc923cc | 244 | { |
nikitateggi | 19:1650bbc923cc | 245 | |
nikitateggi | 19:1650bbc923cc | 246 | state_tx=3; |
nikitateggi | 44:05dbea558c9a | 247 | file_pointer_position=total_file_size_sent; |
nikitateggi | 19:1650bbc923cc | 248 | } |
nikitateggi | 19:1650bbc923cc | 249 | |
nikitateggi | 19:1650bbc923cc | 250 | else |
nikitateggi | 19:1650bbc923cc | 251 | |
nikitateggi | 19:1650bbc923cc | 252 | { |
nikitateggi | 19:1650bbc923cc | 253 | |
nikitateggi | 19:1650bbc923cc | 254 | state_tx=2; |
nikitateggi | 22:ffa88619551d | 255 | setpos1(file_pointer_position); |
nikitateggi | 47:3716dd41dba6 | 256 | //sd_close(); //file closed which was opened earlier because it opens again in bt_send case 1 |
nikitateggi | 27:907f8ce0025e | 257 | |
nikitateggi | 19:1650bbc923cc | 258 | } |
nikitateggi | 27:907f8ce0025e | 259 | //blue.scanf("%02x%02x%08x%02x",&sos_rx,&ack_rx,&eos_rx,&chksum_rx); |
nikitateggi | 19:1650bbc923cc | 260 | break; |
nikitateggi | 52:7d9ff7781bdc | 261 | |
nikitateggi | 19:1650bbc923cc | 262 | |
nikitateggi | 19:1650bbc923cc | 263 | case 3: |
nikitateggi | 19:1650bbc923cc | 264 | state_rx =0; |
nikitateggi | 52:7d9ff7781bdc | 265 | if ((strcmp(ack_rx ,"00") == NULL ) && (strcmp(chksum_rx ,"80" ) == NULL)) |
nikitateggi | 19:1650bbc923cc | 266 | { |
nikitateggi | 19:1650bbc923cc | 267 | |
nikitateggi | 45:067673dae242 | 268 | state_tx=3; |
nikitateggi | 27:907f8ce0025e | 269 | count_send=count_send+1; |
nikitateggi | 45:067673dae242 | 270 | file_pointer_position=total_file_size_sent; |
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 | 44:05dbea558c9a | 278 | file_start=file_start- NO_OF_SAMPLES; |
nikitateggi | 44:05dbea558c9a | 279 | setpos1(file_pointer_position); |
nikitateggi | 44:05dbea558c9a | 280 | } |
nikitateggi | 44:05dbea558c9a | 281 | |
nikitateggi | 44:05dbea558c9a | 282 | break; |
nikitateggi | 44:05dbea558c9a | 283 | |
nikitateggi | 44:05dbea558c9a | 284 | case 4: |
nikitateggi | 44:05dbea558c9a | 285 | state_rx =0; |
nikitateggi | 52:7d9ff7781bdc | 286 | if ((strcmp(ack_rx ,"00") == NULL ) && (strcmp(chksum_rx ,"80" ) == NULL)) |
nikitateggi | 44:05dbea558c9a | 287 | { |
nikitateggi | 45:067673dae242 | 288 | state_tx=4; |
nikitateggi | 44:05dbea558c9a | 289 | count_send=count_send+1; |
nikitateggi | 45:067673dae242 | 290 | file_pointer_position=total_file_size_sent; |
nikitateggi | 44:05dbea558c9a | 291 | } |
nikitateggi | 44:05dbea558c9a | 292 | |
nikitateggi | 44:05dbea558c9a | 293 | else |
nikitateggi | 44:05dbea558c9a | 294 | |
nikitateggi | 44:05dbea558c9a | 295 | { |
nikitateggi | 44:05dbea558c9a | 296 | |
nikitateggi | 44:05dbea558c9a | 297 | state_tx=3; |
nikitateggi | 44:05dbea558c9a | 298 | file_start=file_start- NO_OF_SAMPLES; |
nikitateggi | 19:1650bbc923cc | 299 | setpos1(file_pointer_position); |
nikitateggi | 19:1650bbc923cc | 300 | } |
nikitateggi | 19:1650bbc923cc | 301 | break; |
nikitateggi | 19:1650bbc923cc | 302 | |
nikitateggi | 52:7d9ff7781bdc | 303 | |
nikitateggi | 44:05dbea558c9a | 304 | case 5: state_rx = 0; |
nikitateggi | 52:7d9ff7781bdc | 305 | if ((strcmp(ack_rx ,"00") == NULL ) && (strcmp(chksum_rx ,"80" ) == NULL)) |
nikitateggi | 44:05dbea558c9a | 306 | { |
nikitateggi | 44:05dbea558c9a | 307 | sd_close(); |
nikitateggi | 45:067673dae242 | 308 | increment_btpid(); // increment the bluetooth pid and write in the file |
rashmivenkataramaiah | 59:dadb88794375 | 309 | //mc.printf("next file"); |
rashmivenkataramaiah | 59:dadb88794375 | 310 | //mc.printf("bt_pid = %d\n",get_btpid()); |
nikitateggi | 44:05dbea558c9a | 311 | state_tx=1; |
nikitateggi | 44:05dbea558c9a | 312 | |
nikitateggi | 44:05dbea558c9a | 313 | } |
nikitateggi | 27:907f8ce0025e | 314 | |
nikitateggi | 44:05dbea558c9a | 315 | else |
nikitateggi | 44:05dbea558c9a | 316 | { |
nikitateggi | 44:05dbea558c9a | 317 | state_tx = 4; |
nikitateggi | 27:907f8ce0025e | 318 | |
nikitateggi | 44:05dbea558c9a | 319 | } |
nikitateggi | 44:05dbea558c9a | 320 | break; |
nikitateggi | 52:7d9ff7781bdc | 321 | |
nikitateggi | 19:1650bbc923cc | 322 | } |
nikitateggi | 52:7d9ff7781bdc | 323 | |
nikitateggi | 19:1650bbc923cc | 324 | return state_tx; |
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 | 19:1650bbc923cc | 331 | |
nikitateggi | 19:1650bbc923cc | 332 | |
nikitateggi | 44:05dbea558c9a | 333 | void send_structure() // function to send the structure to bluetooth |
nikitateggi | 19:1650bbc923cc | 334 | { |
nikitateggi | 45:067673dae242 | 335 | myBleMsg->start_of_string=SOS; |
nikitateggi | 45:067673dae242 | 336 | myBleMsg->length_file = STRUCTURE_LENGTH; |
nikitateggi | 45:067673dae242 | 337 | myBleMsg->proto=DATA_TRFR; // data transfer mode |
nikitateggi | 45:067673dae242 | 338 | blue.printf("%02x",myBleMsg->start_of_string); |
nikitateggi | 45:067673dae242 | 339 | blue.printf("%02x",myBleMsg->proto); |
nikitateggi | 45:067673dae242 | 340 | blue.printf("%08x",myBleMsg->length_file); //changed the sequence |
nikitateggi | 45:067673dae242 | 341 | blue.printf("%08x",myBleMsg->bt_msg.length); |
nikitateggi | 45:067673dae242 | 342 | blue.printf("%02x",myBleMsg->bt_msg.device_id); |
nikitateggi | 45:067673dae242 | 343 | blue.printf("%08x",myBleMsg->bt_msg.patient_id); |
nikitateggi | 45:067673dae242 | 344 | blue.printf("%02x",myBleMsg->bt_msg.date_time.date); |
nikitateggi | 45:067673dae242 | 345 | blue.printf("%02x",myBleMsg->bt_msg.date_time.month); |
nikitateggi | 45:067673dae242 | 346 | blue.printf("%02x",myBleMsg->bt_msg.date_time.year); |
nikitateggi | 45:067673dae242 | 347 | blue.printf("%02x",myBleMsg->bt_msg.date_time.hour); |
nikitateggi | 45:067673dae242 | 348 | blue.printf("%02x",myBleMsg->bt_msg.date_time.mins); |
nikitateggi | 45:067673dae242 | 349 | blue.printf("%02x",myBleMsg->bt_msg.date_time.sec); |
nikitateggi | 45:067673dae242 | 350 | blue.printf("%02x",myBleMsg->bt_msg.test_type); |
nikitateggi | 45:067673dae242 | 351 | blue.printf("%04x",myBleMsg->bt_msg.sampling_freq); |
nikitateggi | 45:067673dae242 | 352 | blue.printf("%04x",myBleMsg->bt_msg.num_samples. num_sample_ppg_dummy); |
nikitateggi | 45:067673dae242 | 353 | blue.printf("%04x",myBleMsg->bt_msg.num_samples.num_sample_ecg_OTtyp); |
nikitateggi | 45:067673dae242 | 354 | blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_sbp_dummy); |
nikitateggi | 45:067673dae242 | 355 | blue.printf("%04x",myBleMsg->bt_msg.cal_data.cal_dbp_OTtyp); |
nikitateggi | 45:067673dae242 | 356 | myBleMsg->end_of_string=EOS; |
nikitateggi | 45:067673dae242 | 357 | myBleMsg->chk_sum = checksum_struct((uint8_t *)myBleMsg, sizeof(Point)); |
nikitateggi | 45:067673dae242 | 358 | blue.printf("%02x",myBleMsg->end_of_string); |
nikitateggi | 45:067673dae242 | 359 | blue.printf("%02x",myBleMsg->chk_sum); |
nikitateggi | 44:05dbea558c9a | 360 | |
nikitateggi | 19:1650bbc923cc | 361 | |
nikitateggi | 19:1650bbc923cc | 362 | } |
nikitateggi | 19:1650bbc923cc | 363 | |
nikitateggi | 44:05dbea558c9a | 364 | void send_initial_string() // function to send the initial string at the start f communication to bluetooth |
nikitateggi | 22:ffa88619551d | 365 | { |
nikitateggi | 52:7d9ff7781bdc | 366 | |
nikitateggi | 45:067673dae242 | 367 | uint8_t sum_init=0 ; |
nikitateggi | 45:067673dae242 | 368 | myBleMsg->start_of_string=SOS; |
nikitateggi | 45:067673dae242 | 369 | myBleMsg->length_file=0; |
nikitateggi | 45:067673dae242 | 370 | myBleMsg->proto=START_OF_FILE; |
nikitateggi | 45:067673dae242 | 371 | sum_init=checksum_init(); |
nikitateggi | 45:067673dae242 | 372 | myBleMsg->chk_sum=sum_init; |
nikitateggi | 45:067673dae242 | 373 | blue.printf("%02x",myBleMsg->start_of_string); |
nikitateggi | 45:067673dae242 | 374 | blue.printf("%02x",myBleMsg->proto); |
nikitateggi | 45:067673dae242 | 375 | blue.printf("%08x",myBleMsg->length_file); // chnged |
nikitateggi | 45:067673dae242 | 376 | myBleMsg->end_of_string=EOS; |
nikitateggi | 45:067673dae242 | 377 | blue.printf("%02x",myBleMsg->end_of_string); |
nikitateggi | 45:067673dae242 | 378 | blue.printf("%02x",myBleMsg->chk_sum); |
nikitateggi | 19:1650bbc923cc | 379 | |
nikitateggi | 19:1650bbc923cc | 380 | } |
nikitateggi | 22:ffa88619551d | 381 | |
nikitateggi | 22:ffa88619551d | 382 | |
nikitateggi | 27:907f8ce0025e | 383 | uint8_t checksum_init() // function to calculate the checksum for the initial string |
nikitateggi | 22:ffa88619551d | 384 | { |
nikitateggi | 22:ffa88619551d | 385 | |
nikitateggi | 45:067673dae242 | 386 | uint32_t sum = 0; |
nikitateggi | 45:067673dae242 | 387 | uint8_t chksum_init = 0; |
nikitateggi | 44:05dbea558c9a | 388 | sum=SOS+EOS+START_OF_FILE; |
nikitateggi | 45:067673dae242 | 389 | chksum_init = sum & 0x000000FF; |
nikitateggi | 22:ffa88619551d | 390 | return chksum_init; |
nikitateggi | 22:ffa88619551d | 391 | } |
nikitateggi | 52:7d9ff7781bdc | 392 | |
nikitateggi | 27:907f8ce0025e | 393 | uint8_t checksum_last() // function to calculate the checksum for the last string |
nikitateggi | 22:ffa88619551d | 394 | { |
nikitateggi | 22:ffa88619551d | 395 | |
nikitateggi | 45:067673dae242 | 396 | uint32_t sum = 0; |
nikitateggi | 45:067673dae242 | 397 | uint8_t chksum_last = 0; |
nikitateggi | 44:05dbea558c9a | 398 | sum=SOS+EOS+END_OF_FILE; // changed //16/06 #define all the values removing structure |
nikitateggi | 22:ffa88619551d | 399 | chksum_last=sum & 0x000000FF; |
nikitateggi | 22:ffa88619551d | 400 | return chksum_last; |
nikitateggi | 22:ffa88619551d | 401 | } |
nikitateggi | 22:ffa88619551d | 402 | |
nikitateggi | 45:067673dae242 | 403 | void send_last_string() // function to send the last string to the bluetooth // which determines the end of file |
nikitateggi | 22:ffa88619551d | 404 | { |
nikitateggi | 45:067673dae242 | 405 | uint8_t sum_last=0; |
nikitateggi | 45:067673dae242 | 406 | myBleMsg->start_of_string = SOS; |
nikitateggi | 45:067673dae242 | 407 | myBleMsg->length_file = 0; |
nikitateggi | 45:067673dae242 | 408 | myBleMsg->proto=END_OF_FILE; |
nikitateggi | 45:067673dae242 | 409 | sum_last=checksum_last(); |
nikitateggi | 45:067673dae242 | 410 | myBleMsg->chk_sum=sum_last; |
nikitateggi | 45:067673dae242 | 411 | blue.printf("%02x",myBleMsg->start_of_string); |
nikitateggi | 45:067673dae242 | 412 | blue.printf("%02x",myBleMsg->proto); |
nikitateggi | 45:067673dae242 | 413 | blue.printf("%08x",myBleMsg->length_file); // chnged |
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 | 22:ffa88619551d | 419 | |
nikitateggi | 45:067673dae242 | 420 | void send_data_str1() // function to send a part of the structure // after this raw data is sent// |
nikitateggi | 45:067673dae242 | 421 | { |
nikitateggi | 45:067673dae242 | 422 | myBleMsg->start_of_string=SOS; |
nikitateggi | 45:067673dae242 | 423 | myBleMsg->length_file=(counter*4); |
nikitateggi | 45:067673dae242 | 424 | myBleMsg->proto=DATA_TRFR; |
nikitateggi | 45:067673dae242 | 425 | blue.printf("%02x",myBleMsg->start_of_string); |
nikitateggi | 45:067673dae242 | 426 | blue.printf("%02x",myBleMsg->proto); // chnaged |
nikitateggi | 45:067673dae242 | 427 | blue.printf("%08x",myBleMsg->length_file); |
nikitateggi | 52:7d9ff7781bdc | 428 | |
nikitateggi | 45:067673dae242 | 429 | } |
nikitateggi | 19:1650bbc923cc | 430 | |
nikitateggi | 19:1650bbc923cc | 431 | |
nikitateggi | 19:1650bbc923cc | 432 | |
nikitateggi | 45:067673dae242 | 433 | void send_data_str2(uint8_t check_sum) // after raw data// this last part of structure is sent |
nikitateggi | 45:067673dae242 | 434 | { |
nikitateggi | 45:067673dae242 | 435 | myBleMsg->chk_sum=check_sum; |
nikitateggi | 45:067673dae242 | 436 | myBleMsg->end_of_string=EOS; |
nikitateggi | 45:067673dae242 | 437 | blue.printf("%02x",myBleMsg->end_of_string); |
nikitateggi | 45:067673dae242 | 438 | blue.printf("%02x",myBleMsg->chk_sum); |
nikitateggi | 45:067673dae242 | 439 | |
nikitateggi | 45:067673dae242 | 440 | } |
nikitateggi | 19:1650bbc923cc | 441 | |
nikitateggi | 52:7d9ff7781bdc | 442 | |
nikitateggi | 31:0f67acfc6236 | 443 | uint8_t checksum_struct(const uint8_t data[], uint16_t numBytes) // calculating checksum for |
nikitateggi | 31:0f67acfc6236 | 444 | { |
nikitateggi | 31:0f67acfc6236 | 445 | uint32_t chksum_struct = 0; |
nikitateggi | 31:0f67acfc6236 | 446 | uint16_t index = 0; |
nikitateggi | 31:0f67acfc6236 | 447 | |
nikitateggi | 31:0f67acfc6236 | 448 | for (index=0U; index < (numBytes-1); index++) |
nikitateggi | 31:0f67acfc6236 | 449 | { |
nikitateggi | 31:0f67acfc6236 | 450 | chksum_struct += data[index]; |
nikitateggi | 31:0f67acfc6236 | 451 | //blue.printf("data=%02x\n",data[index]); |
nikitateggi | 31:0f67acfc6236 | 452 | |
nikitateggi | 31:0f67acfc6236 | 453 | } |
nikitateggi | 31:0f67acfc6236 | 454 | // blue.printf("%08x\n",chksum_struct); |
nikitateggi | 31:0f67acfc6236 | 455 | return chksum_struct; |
nikitateggi | 22:ffa88619551d | 456 | } |
nikitateggi | 52:7d9ff7781bdc | 457 | |
nikitateggi | 52:7d9ff7781bdc | 458 | |
nikitateggi | 44:05dbea558c9a | 459 | uint8_t checksum_rawdata(const uint8_t data[], uint32_t numBytes) // this function to calculate the checksum for the raw data |
nikitateggi | 31:0f67acfc6236 | 460 | { |
nikitateggi | 52:7d9ff7781bdc | 461 | |
nikitateggi | 45:067673dae242 | 462 | uint32_t sum=0; |
nikitateggi | 45:067673dae242 | 463 | uint8_t chksum_datatrfr=0; |
nikitateggi | 45:067673dae242 | 464 | uint32_t index = 0; |
nikitateggi | 45:067673dae242 | 465 | uint32_t index1 = 0; |
nikitateggi | 44:05dbea558c9a | 466 | sum += SOS; |
nikitateggi | 44:05dbea558c9a | 467 | sum += DATA_TRFR; |
nikitateggi | 45:067673dae242 | 468 | index1=(numBytes*4); |
nikitateggi | 45:067673dae242 | 469 | sum +=(index1>>(8*0))&0xFF; |
nikitateggi | 31:0f67acfc6236 | 470 | sum +=(index1>>(8*1))&0xFF; |
nikitateggi | 52:7d9ff7781bdc | 471 | |
nikitateggi | 45:067673dae242 | 472 | for (index=0U; index<(numBytes*4); index++) |
nikitateggi | 45:067673dae242 | 473 | { |
nikitateggi | 31:0f67acfc6236 | 474 | sum += data[index]; |
nikitateggi | 45:067673dae242 | 475 | } |
nikitateggi | 52:7d9ff7781bdc | 476 | |
nikitateggi | 45:067673dae242 | 477 | sum+=EOS; |
nikitateggi | 52:7d9ff7781bdc | 478 | |
nikitateggi | 45:067673dae242 | 479 | chksum_datatrfr = sum & 0x000000FF; |
nikitateggi | 44:05dbea558c9a | 480 | //mc.printf("chksum_datatrfr=%02x\n",chksum_datatrfr); |
nikitateggi | 45:067673dae242 | 481 | return chksum_datatrfr; |
nikitateggi | 44:05dbea558c9a | 482 | } |
nikitateggi | 52:7d9ff7781bdc | 483 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 484 | |
rashmivenkataramaiah | 59:dadb88794375 | 485 | // this function checks bluetooth command and if any byte received it process |
rashmivenkataramaiah | 59:dadb88794375 | 486 | // that command and assigned and return touch state |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 487 | uint8_t poc2p0_bt_receive (uint8_t curr_touch_state) |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 488 | { |
rashmivenkataramaiah | 59:dadb88794375 | 489 | |
rashmivenkataramaiah | 59:dadb88794375 | 490 | uint8_t bt_rx_buffer[10] = {0}; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 491 | uint8_t cal_chksum = 0xFFu; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 492 | uint8_t touch_state = 0x00u; |
rashmivenkataramaiah | 59:dadb88794375 | 493 | //uint8_t i = 0; |
rashmivenkataramaiah | 59:dadb88794375 | 494 | |
rashmivenkataramaiah | 66:d7fc45e328d0 | 495 | //if (mc.readable()!= NULL) // reading string from putty |
rashmivenkataramaiah | 66:d7fc45e328d0 | 496 | if (blue.readable()!= NULL) // reading string from bluetooth |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 497 | { |
rashmivenkataramaiah | 62:7d2a844ed639 | 498 | //wait_ms(50); //commented on 16-NOV rashmi |
rashmivenkataramaiah | 66:d7fc45e328d0 | 499 | blue.scanf("%10s",bt_rx_buffer); |
rashmivenkataramaiah | 66:d7fc45e328d0 | 500 | //mc.scanf("%10s",bt_rx_buffer); |
rashmivenkataramaiah | 59:dadb88794375 | 501 | |
rashmivenkataramaiah | 59:dadb88794375 | 502 | mc.printf("\n\r Command ="); |
rashmivenkataramaiah | 59:dadb88794375 | 503 | mc.printf("%s\r\n", bt_rx_buffer); |
rashmivenkataramaiah | 65:8acfba0ce49a | 504 | |
rashmivenkataramaiah | 59:dadb88794375 | 505 | poc2p0_ascii_to_hex ((uint8_t *)bt_rx_buffer, sizeof(bt_rx_buffer)); |
rashmivenkataramaiah | 65:8acfba0ce49a | 506 | |
rashmivenkataramaiah | 59:dadb88794375 | 507 | } |
rashmivenkataramaiah | 59:dadb88794375 | 508 | |
rashmivenkataramaiah | 59:dadb88794375 | 509 | cal_chksum = checksum_struct((uint8_t *)&poc2p0_bt_msg_req.cmd, (sizeof(poc2p0_bt_msg_req)-1)); |
rashmivenkataramaiah | 58:b75255e6e4c3 | 510 | |
rashmivenkataramaiah | 62:7d2a844ed639 | 511 | //if (cal_chksum == poc2p0_bt_msg_req.chksum) |
rashmivenkataramaiah | 62:7d2a844ed639 | 512 | //{ |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 513 | switch (poc2p0_bt_msg_req.cmd) |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 514 | { |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 515 | case STRT_BP_TEST_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 516 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 517 | touch_state = TOUCH_STATE_BP_TEST_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 518 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 519 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 520 | case STRT_BG_FBS_TEST_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 521 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 60:3bb9e9ba3205 | 522 | eprom_write_16(20,0); //added on 14-Nov by rashmi |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 523 | touch_state = TOUCH_STATE_BG_TEST_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 524 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 525 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 526 | case STRT_BG_PP_TEST_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 527 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 60:3bb9e9ba3205 | 528 | eprom_write_16(20,1); //added on 14-Nov by rashmi |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 529 | touch_state = TOUCH_STATE_BG_TEST_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 530 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 531 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 532 | case STRT_BG_RAN_TEST_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 533 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 60:3bb9e9ba3205 | 534 | eprom_write_16(20,2); //added on 14-Nov by rashmi |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 535 | touch_state = TOUCH_STATE_BG_TEST_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 536 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 537 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 538 | case STRT_ECG_TEST_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 539 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 540 | touch_state = TOUCH_STATE_ECG_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 541 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 542 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 543 | case DATA_SYNC_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 544 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 60:3bb9e9ba3205 | 545 | touch_state = 12 ; //TOUCH_STATE_DATA_SYNC_SCREEN |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 546 | poc2p0_send_device_msg_res(DATA_SYNC_MSG_ACCEPTED_RES); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 547 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 548 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 549 | case HEARTBEAT_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 550 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 60:3bb9e9ba3205 | 551 | mc.printf("curr_touch_state: %2x\n",curr_touch_state); |
rashmivenkataramaiah | 59:dadb88794375 | 552 | if ((curr_touch_state == TOUCH_STATE_HOME_SCREEN)||(curr_touch_state == TOUCH_STATE_TEST_SCREEN)) |
rashmivenkataramaiah | 59:dadb88794375 | 553 | { |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 554 | poc2p0_send_device_heartbeat_msg_res(curr_touch_state); |
rashmivenkataramaiah | 59:dadb88794375 | 555 | } |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 556 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 557 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 558 | case HOME_SCREEN_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 559 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 560 | touch_state = TOUCH_STATE_HOME_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 561 | poc2p0_send_device_msg_res(HOME_SCREEN_MSG_ACCEPTED_RES); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 562 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 563 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 564 | case TEST_SCREEN_REQ: |
rashmivenkataramaiah | 59:dadb88794375 | 565 | mc.printf("\n\r cal_chksum = %2x\n", cal_chksum); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 566 | touch_state = TOUCH_STATE_TEST_SCREEN; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 567 | poc2p0_send_device_msg_res(TEST_SCREEN_MSG_ACCEPTED_RES); |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 568 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 569 | |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 570 | default: |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 571 | break; |
rashmivenkataramaiah | 57:e82d4bd6b2c0 | 572 | } |
rashmivenkataramaiah | 62:7d2a844ed639 | 573 | //} |
rashmivenkataramaiah | 59:dadb88794375 | 574 | |
rashmivenkataramaiah | 59:dadb88794375 | 575 | memset((void *)bt_rx_buffer,0x00,sizeof(bt_rx_buffer)); |
rashmivenkataramaiah | 59:dadb88794375 | 576 | memset((void *)&poc2p0_bt_msg_req,0x00,sizeof(bt_rx_buffer)); //to clear the structure else the command would be in the loop |
rashmivenkataramaiah | 59:dadb88794375 | 577 | return touch_state; |
rashmivenkataramaiah | 59:dadb88794375 | 578 | } |
rashmivenkataramaiah | 59:dadb88794375 | 579 | |
rashmivenkataramaiah | 59:dadb88794375 | 580 | // this function use to convert data from ascii to hex |
rashmivenkataramaiah | 59:dadb88794375 | 581 | static void poc2p0_ascii_to_hex(const uint8_t input_buf[], uint8_t len) |
rashmivenkataramaiah | 59:dadb88794375 | 582 | { |
rashmivenkataramaiah | 59:dadb88794375 | 583 | uint8_t i = 0; |
rashmivenkataramaiah | 59:dadb88794375 | 584 | uint8_t j = 0; |
rashmivenkataramaiah | 59:dadb88794375 | 585 | uint8_t temp_ms_nibble = 0; |
rashmivenkataramaiah | 59:dadb88794375 | 586 | uint8_t temp_ls_nibble = 0; |
rashmivenkataramaiah | 59:dadb88794375 | 587 | uint8_t temp_buf[len]; |
rashmivenkataramaiah | 59:dadb88794375 | 588 | |
rashmivenkataramaiah | 59:dadb88794375 | 589 | for (i = 0,j = 0; i < len; i+=2, ++j) |
rashmivenkataramaiah | 59:dadb88794375 | 590 | { |
rashmivenkataramaiah | 59:dadb88794375 | 591 | temp_ms_nibble = input_buf[i] > '9' ? (input_buf[i]|32) - 'a' + 10 : input_buf[i] - '0'; |
rashmivenkataramaiah | 59:dadb88794375 | 592 | temp_ls_nibble = input_buf[i+1] > '9' ? (input_buf[i+1]|32) - 'a' + 10 : input_buf[i+1] - '0'; |
rashmivenkataramaiah | 59:dadb88794375 | 593 | temp_buf[j] = (temp_ms_nibble << 4) | temp_ls_nibble; |
rashmivenkataramaiah | 60:3bb9e9ba3205 | 594 | //mc.printf("\n\r msg_SOS = %2x", temp_buf[j]); |
rashmivenkataramaiah | 59:dadb88794375 | 595 | } |
rashmivenkataramaiah | 59:dadb88794375 | 596 | |
rashmivenkataramaiah | 59:dadb88794375 | 597 | memcpy(&poc2p0_bt_msg_req, &temp_buf, sizeof(poc2p0_bt_msg_req)); |
rashmivenkataramaiah | 59:dadb88794375 | 598 | |
rashmivenkataramaiah | 59:dadb88794375 | 599 | return; |
rashmivenkataramaiah | 59:dadb88794375 | 600 | } |