posilani dat
Dependencies: FatFileSystemCpp mbed PowerControl USBHostLite
wifi.cpp@26:5674b8978551, 2017-05-23 (annotated)
- Committer:
- PavelKumpan
- Date:
- Tue May 23 18:42:14 2017 +0000
- Revision:
- 26:5674b8978551
- Parent:
- 20:66ecb2f0e307
Recreated communication protocol.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jkaderka | 4:030c7726c7dc | 1 | #include "wifi.h" |
jkaderka | 4:030c7726c7dc | 2 | #include "utils.h" |
jkaderka | 4:030c7726c7dc | 3 | |
legwinskij | 18:7acae34b518d | 4 | #define BAUDR 460800 |
legwinskij | 20:66ecb2f0e307 | 5 | //#define BAUDR 1100000 |
jkaderka | 4:030c7726c7dc | 6 | |
legwinskij | 20:66ecb2f0e307 | 7 | Wifi::Wifi (PinName tx, PinName rx, PinName cts, PinName reset): |
jkaderka | 12:e3cb430ec051 | 8 | wifi_(tx, rx) { |
legwinskij | 20:66ecb2f0e307 | 9 | // mbed only has CTS available, communication not working properly |
legwinskij | 20:66ecb2f0e307 | 10 | //wifi_.set_flow_control(SerialBase::CTS, cts); |
jkaderka | 12:e3cb430ec051 | 11 | wifi_.baud(BAUDR); |
jkaderka | 4:030c7726c7dc | 12 | } |
jkaderka | 4:030c7726c7dc | 13 | |
legwinskij | 20:66ecb2f0e307 | 14 | /* |
legwinskij | 20:66ecb2f0e307 | 15 | * Initializes wifly, serves as constructor, were changing PLL speed dynamically |
legwinskij | 20:66ecb2f0e307 | 16 | * |
legwinskij | 20:66ecb2f0e307 | 17 | */ |
legwinskij | 20:66ecb2f0e307 | 18 | void Wifi::init(void) |
legwinskij | 20:66ecb2f0e307 | 19 | { |
legwinskij | 20:66ecb2f0e307 | 20 | //wifi_.baud(BAUDR); |
legwinskij | 20:66ecb2f0e307 | 21 | } |
legwinskij | 20:66ecb2f0e307 | 22 | |
jkaderka | 4:030c7726c7dc | 23 | /* |
jkaderka | 4:030c7726c7dc | 24 | * Format: (int) -1 (int) -1 (int) swimmer_id |
jkaderka | 12:e3cb430ec051 | 25 | * many times (int) count 3*(short) acc 3*(float)gyro |
jkaderka | 12:e3cb430ec051 | 26 | * (int) -1 (int) -1 up to 1023 zeros |
jkaderka | 4:030c7726c7dc | 27 | */ |
legwinskij | 20:66ecb2f0e307 | 28 | int Wifi::sendFile(const char *fname) |
jkaderka | 4:030c7726c7dc | 29 | { |
jkaderka | 12:e3cb430ec051 | 30 | char c; |
jkaderka | 12:e3cb430ec051 | 31 | int last = 1; |
jkaderka | 4:030c7726c7dc | 32 | |
legwinskij | 17:ca53e6d36163 | 33 | FILE *file = fopen(fname, "rb"); |
legwinskij | 15:baa2672a9b38 | 34 | if (file == NULL) { |
legwinskij | 18:7acae34b518d | 35 | printf("Unable to open %s\r\n", fname); |
jkaderka | 10:fdf9ca254549 | 36 | return -1; |
jkaderka | 10:fdf9ca254549 | 37 | } |
PavelKumpan | 26:5674b8978551 | 38 | |
PavelKumpan | 26:5674b8978551 | 39 | fseek(file, 0, SEEK_END); // seek to end of file |
PavelKumpan | 26:5674b8978551 | 40 | int size = ftell(file); // get current file pointer |
PavelKumpan | 26:5674b8978551 | 41 | fseek(file, 0, SEEK_SET); // seek back to beginning of file |
PavelKumpan | 26:5674b8978551 | 42 | |
PavelKumpan | 26:5674b8978551 | 43 | wifi_.putc('#'); // send ACK |
PavelKumpan | 26:5674b8978551 | 44 | wifi_.putc('A'); |
PavelKumpan | 26:5674b8978551 | 45 | for(int i = 0; i < FRAME_HEADER_LEN - 2; i++) // send num of bytes in the message |
PavelKumpan | 26:5674b8978551 | 46 | { |
PavelKumpan | 26:5674b8978551 | 47 | wifi_.putc((char)((size >> (i * 8)) & 0xFF)); |
PavelKumpan | 26:5674b8978551 | 48 | } |
PavelKumpan | 26:5674b8978551 | 49 | |
PavelKumpan | 26:5674b8978551 | 50 | printf("Ack sended...\r\n"); |
PavelKumpan | 26:5674b8978551 | 51 | printf("Transfer of %d bytes initialized...\r\n", size); |
PavelKumpan | 26:5674b8978551 | 52 | |
PavelKumpan | 26:5674b8978551 | 53 | if(size == 0) // when nothing to send, terminated here |
PavelKumpan | 26:5674b8978551 | 54 | { |
PavelKumpan | 26:5674b8978551 | 55 | return 0; |
PavelKumpan | 26:5674b8978551 | 56 | } |
PavelKumpan | 26:5674b8978551 | 57 | |
jkaderka | 12:e3cb430ec051 | 58 | in_buf = 0; |
legwinskij | 15:baa2672a9b38 | 59 | while (fread(&c, sizeof(char), 1, file) != 0) { |
jkaderka | 12:e3cb430ec051 | 60 | if ((last = bufferSendVerify(c)) == -1) { |
legwinskij | 15:baa2672a9b38 | 61 | fclose(file); |
jkaderka | 12:e3cb430ec051 | 62 | return -1; |
jkaderka | 12:e3cb430ec051 | 63 | } |
jkaderka | 10:fdf9ca254549 | 64 | } |
PavelKumpan | 26:5674b8978551 | 65 | fclose(file); |
PavelKumpan | 26:5674b8978551 | 66 | |
PavelKumpan | 26:5674b8978551 | 67 | if (bufferFlush() == -1) { |
PavelKumpan | 26:5674b8978551 | 68 | return -1; |
jkaderka | 12:e3cb430ec051 | 69 | } |
jkaderka | 4:030c7726c7dc | 70 | |
jkaderka | 4:030c7726c7dc | 71 | return 0; |
jkaderka | 4:030c7726c7dc | 72 | } |
jkaderka | 4:030c7726c7dc | 73 | |
jkaderka | 4:030c7726c7dc | 74 | /* |
PavelKumpan | 26:5674b8978551 | 75 | * Returns length of command data received, load the command into the cmd array and the data into the data array. |
jkaderka | 4:030c7726c7dc | 76 | */ |
PavelKumpan | 26:5674b8978551 | 77 | int Wifi::getCmd(char* cmd, char* data) |
jkaderka | 4:030c7726c7dc | 78 | { |
PavelKumpan | 26:5674b8978551 | 79 | short dataLength = 0u; |
PavelKumpan | 26:5674b8978551 | 80 | cmd[0] = '#'; |
PavelKumpan | 26:5674b8978551 | 81 | cmd[1] = 'N'; |
PavelKumpan | 26:5674b8978551 | 82 | |
PavelKumpan | 26:5674b8978551 | 83 | /* Read the command */ |
legwinskij | 15:baa2672a9b38 | 84 | if (wifi_.readable() && wifi_.getc() == '#') |
legwinskij | 15:baa2672a9b38 | 85 | { |
PavelKumpan | 26:5674b8978551 | 86 | for(int i = 1; i < FRAME_HEADER_LEN; i++) |
PavelKumpan | 26:5674b8978551 | 87 | { |
PavelKumpan | 26:5674b8978551 | 88 | wait_ms(20); |
PavelKumpan | 26:5674b8978551 | 89 | if (wifi_.readable()) |
PavelKumpan | 26:5674b8978551 | 90 | { |
PavelKumpan | 26:5674b8978551 | 91 | cmd[i] = wifi_.getc(); |
PavelKumpan | 26:5674b8978551 | 92 | } |
PavelKumpan | 26:5674b8978551 | 93 | else |
PavelKumpan | 26:5674b8978551 | 94 | { |
PavelKumpan | 26:5674b8978551 | 95 | cmd[1] = 'N'; |
PavelKumpan | 26:5674b8978551 | 96 | } |
PavelKumpan | 26:5674b8978551 | 97 | } |
PavelKumpan | 26:5674b8978551 | 98 | } |
PavelKumpan | 26:5674b8978551 | 99 | |
PavelKumpan | 26:5674b8978551 | 100 | /* Read count of data */ |
PavelKumpan | 26:5674b8978551 | 101 | if(cmd[1] == 'N') |
PavelKumpan | 26:5674b8978551 | 102 | { |
PavelKumpan | 26:5674b8978551 | 103 | return 0; |
PavelKumpan | 26:5674b8978551 | 104 | } |
PavelKumpan | 26:5674b8978551 | 105 | |
PavelKumpan | 26:5674b8978551 | 106 | for(int i = 0; i < FRAME_HEADER_LEN - 2; i++) |
PavelKumpan | 26:5674b8978551 | 107 | { |
PavelKumpan | 26:5674b8978551 | 108 | dataLength += (int)cmd[i+2] << (i * 8); |
PavelKumpan | 26:5674b8978551 | 109 | } |
PavelKumpan | 26:5674b8978551 | 110 | |
PavelKumpan | 26:5674b8978551 | 111 | /* Read data */ |
PavelKumpan | 26:5674b8978551 | 112 | for(int i = 0; i < dataLength; i++) |
PavelKumpan | 26:5674b8978551 | 113 | { |
legwinskij | 20:66ecb2f0e307 | 114 | wait_ms(20); |
legwinskij | 20:66ecb2f0e307 | 115 | if (wifi_.readable()) |
legwinskij | 20:66ecb2f0e307 | 116 | { |
PavelKumpan | 26:5674b8978551 | 117 | data[i] = wifi_.getc(); |
legwinskij | 20:66ecb2f0e307 | 118 | } |
legwinskij | 15:baa2672a9b38 | 119 | } |
PavelKumpan | 26:5674b8978551 | 120 | |
PavelKumpan | 26:5674b8978551 | 121 | return dataLength; |
jkaderka | 4:030c7726c7dc | 122 | } |
jkaderka | 4:030c7726c7dc | 123 | |
legwinskij | 17:ca53e6d36163 | 124 | /* |
legwinskij | 17:ca53e6d36163 | 125 | * Sends given byte to wifly |
legwinskij | 17:ca53e6d36163 | 126 | */ |
legwinskij | 17:ca53e6d36163 | 127 | void Wifi::sendByte(char byte) |
legwinskij | 17:ca53e6d36163 | 128 | { |
legwinskij | 17:ca53e6d36163 | 129 | // Send byte |
legwinskij | 17:ca53e6d36163 | 130 | wifi_.putc(byte); |
legwinskij | 17:ca53e6d36163 | 131 | } |
legwinskij | 17:ca53e6d36163 | 132 | |
legwinskij | 17:ca53e6d36163 | 133 | /* |
legwinskij | 17:ca53e6d36163 | 134 | * Reads byte from wifly |
legwinskij | 17:ca53e6d36163 | 135 | */ |
legwinskij | 20:66ecb2f0e307 | 136 | char Wifi::readByte(void) |
legwinskij | 17:ca53e6d36163 | 137 | { |
legwinskij | 17:ca53e6d36163 | 138 | // Read byte |
legwinskij | 17:ca53e6d36163 | 139 | return wifi_.getc(); |
legwinskij | 17:ca53e6d36163 | 140 | } |
legwinskij | 17:ca53e6d36163 | 141 | |
legwinskij | 20:66ecb2f0e307 | 142 | /* |
legwinskij | 20:66ecb2f0e307 | 143 | * Returns true if some bytes are in the buffer |
legwinskij | 20:66ecb2f0e307 | 144 | */ |
legwinskij | 20:66ecb2f0e307 | 145 | bool Wifi::readable(void) |
legwinskij | 20:66ecb2f0e307 | 146 | { |
legwinskij | 20:66ecb2f0e307 | 147 | if (wifi_.readable()) |
legwinskij | 20:66ecb2f0e307 | 148 | { |
legwinskij | 20:66ecb2f0e307 | 149 | return true; |
legwinskij | 20:66ecb2f0e307 | 150 | } |
legwinskij | 20:66ecb2f0e307 | 151 | else |
legwinskij | 20:66ecb2f0e307 | 152 | { |
legwinskij | 20:66ecb2f0e307 | 153 | return false; |
legwinskij | 20:66ecb2f0e307 | 154 | } |
legwinskij | 20:66ecb2f0e307 | 155 | } |
legwinskij | 20:66ecb2f0e307 | 156 | |
legwinskij | 20:66ecb2f0e307 | 157 | /* |
legwinskij | 20:66ecb2f0e307 | 158 | * Sends ACK to wiflys UART |
legwinskij | 20:66ecb2f0e307 | 159 | */ |
legwinskij | 20:66ecb2f0e307 | 160 | void Wifi::sendAck(void) |
legwinskij | 20:66ecb2f0e307 | 161 | { |
legwinskij | 20:66ecb2f0e307 | 162 | wifi_.putc('#'); |
legwinskij | 20:66ecb2f0e307 | 163 | wifi_.putc('A'); |
PavelKumpan | 26:5674b8978551 | 164 | for(int i = 0; i < FRAME_HEADER_LEN - 2; i++) |
PavelKumpan | 26:5674b8978551 | 165 | { |
PavelKumpan | 26:5674b8978551 | 166 | wifi_.putc(0x0); |
PavelKumpan | 26:5674b8978551 | 167 | } |
legwinskij | 20:66ecb2f0e307 | 168 | } |
legwinskij | 20:66ecb2f0e307 | 169 | |
legwinskij | 20:66ecb2f0e307 | 170 | /* |
legwinskij | 20:66ecb2f0e307 | 171 | * Sends NACK to wiflys UART |
legwinskij | 20:66ecb2f0e307 | 172 | */ |
legwinskij | 20:66ecb2f0e307 | 173 | void Wifi::sendNack(void) |
legwinskij | 20:66ecb2f0e307 | 174 | { |
legwinskij | 20:66ecb2f0e307 | 175 | wifi_.putc('#'); |
legwinskij | 20:66ecb2f0e307 | 176 | wifi_.putc('N'); |
PavelKumpan | 26:5674b8978551 | 177 | for(int i = 0; i < FRAME_HEADER_LEN - 2; i++) |
PavelKumpan | 26:5674b8978551 | 178 | { |
PavelKumpan | 26:5674b8978551 | 179 | wifi_.putc(0x0); |
PavelKumpan | 26:5674b8978551 | 180 | } |
PavelKumpan | 26:5674b8978551 | 181 | } |
PavelKumpan | 26:5674b8978551 | 182 | |
PavelKumpan | 26:5674b8978551 | 183 | /* |
PavelKumpan | 26:5674b8978551 | 184 | * Sends NACK to wiflys UART |
PavelKumpan | 26:5674b8978551 | 185 | */ |
PavelKumpan | 26:5674b8978551 | 186 | void Wifi::sendFail(void) |
PavelKumpan | 26:5674b8978551 | 187 | { |
PavelKumpan | 26:5674b8978551 | 188 | wifi_.putc('#'); |
PavelKumpan | 26:5674b8978551 | 189 | wifi_.putc('F'); |
PavelKumpan | 26:5674b8978551 | 190 | for(int i = 0; i < FRAME_HEADER_LEN - 2; i++) |
PavelKumpan | 26:5674b8978551 | 191 | { |
PavelKumpan | 26:5674b8978551 | 192 | wifi_.putc(0x0); |
PavelKumpan | 26:5674b8978551 | 193 | } |
PavelKumpan | 26:5674b8978551 | 194 | } |
PavelKumpan | 26:5674b8978551 | 195 | |
PavelKumpan | 26:5674b8978551 | 196 | int Wifi::waitForAck() |
PavelKumpan | 26:5674b8978551 | 197 | { |
PavelKumpan | 26:5674b8978551 | 198 | char cmd[FRAME_HEADER_LEN]; |
PavelKumpan | 26:5674b8978551 | 199 | char data[256]; |
PavelKumpan | 26:5674b8978551 | 200 | |
PavelKumpan | 26:5674b8978551 | 201 | for (int i=0; i<64; i++) |
PavelKumpan | 26:5674b8978551 | 202 | { |
PavelKumpan | 26:5674b8978551 | 203 | getCmd(cmd, data); |
PavelKumpan | 26:5674b8978551 | 204 | |
PavelKumpan | 26:5674b8978551 | 205 | if ('A' == cmd[1]) |
PavelKumpan | 26:5674b8978551 | 206 | { |
PavelKumpan | 26:5674b8978551 | 207 | return 1; |
PavelKumpan | 26:5674b8978551 | 208 | } |
PavelKumpan | 26:5674b8978551 | 209 | else if ('F' == cmd[1]) |
PavelKumpan | 26:5674b8978551 | 210 | { |
PavelKumpan | 26:5674b8978551 | 211 | return 0; |
PavelKumpan | 26:5674b8978551 | 212 | } |
PavelKumpan | 26:5674b8978551 | 213 | else |
PavelKumpan | 26:5674b8978551 | 214 | { |
PavelKumpan | 26:5674b8978551 | 215 | wait_ms(5); |
PavelKumpan | 26:5674b8978551 | 216 | } |
PavelKumpan | 26:5674b8978551 | 217 | } |
PavelKumpan | 26:5674b8978551 | 218 | return -1; |
PavelKumpan | 26:5674b8978551 | 219 | |
PavelKumpan | 26:5674b8978551 | 220 | //if (wifi_.getc() == 'A') |
PavelKumpan | 26:5674b8978551 | 221 | // break; |
legwinskij | 20:66ecb2f0e307 | 222 | } |
legwinskij | 20:66ecb2f0e307 | 223 | |
jkaderka | 4:030c7726c7dc | 224 | /* ******************************** |
jkaderka | 4:030c7726c7dc | 225 | * private |
jkaderka | 4:030c7726c7dc | 226 | * *******************************/ |
PavelKumpan | 26:5674b8978551 | 227 | |
PavelKumpan | 26:5674b8978551 | 228 | void Wifi::bufferSend(size_t size) |
jkaderka | 4:030c7726c7dc | 229 | { |
jkaderka | 4:030c7726c7dc | 230 | int i; |
jkaderka | 12:e3cb430ec051 | 231 | for (i = 0; i < size; i++) { |
jkaderka | 4:030c7726c7dc | 232 | wifi_.putc(buffer[i]); |
jkaderka | 12:e3cb430ec051 | 233 | } |
jkaderka | 12:e3cb430ec051 | 234 | } |
jkaderka | 12:e3cb430ec051 | 235 | |
PavelKumpan | 26:5674b8978551 | 236 | int Wifi::bufferFlush() |
PavelKumpan | 26:5674b8978551 | 237 | { |
PavelKumpan | 26:5674b8978551 | 238 | LPC_WDT->WDFEED = 0xAA; |
PavelKumpan | 26:5674b8978551 | 239 | LPC_WDT->WDFEED = 0x55; |
PavelKumpan | 26:5674b8978551 | 240 | int counter = 0; |
PavelKumpan | 26:5674b8978551 | 241 | int result = 0; |
PavelKumpan | 26:5674b8978551 | 242 | |
PavelKumpan | 26:5674b8978551 | 243 | if (in_buf == 0) |
PavelKumpan | 26:5674b8978551 | 244 | { |
PavelKumpan | 26:5674b8978551 | 245 | return 1; |
PavelKumpan | 26:5674b8978551 | 246 | } |
PavelKumpan | 26:5674b8978551 | 247 | |
PavelKumpan | 26:5674b8978551 | 248 | while (counter++ < 10) |
PavelKumpan | 26:5674b8978551 | 249 | { |
PavelKumpan | 26:5674b8978551 | 250 | bufferSend(in_buf); |
PavelKumpan | 26:5674b8978551 | 251 | result = waitForAck(); |
PavelKumpan | 26:5674b8978551 | 252 | |
PavelKumpan | 26:5674b8978551 | 253 | if(result == 1) |
PavelKumpan | 26:5674b8978551 | 254 | { |
PavelKumpan | 26:5674b8978551 | 255 | /* Ack - break, no need to send it again */ |
PavelKumpan | 26:5674b8978551 | 256 | break; |
PavelKumpan | 26:5674b8978551 | 257 | } |
PavelKumpan | 26:5674b8978551 | 258 | else if (result == -1) |
PavelKumpan | 26:5674b8978551 | 259 | { |
PavelKumpan | 26:5674b8978551 | 260 | /* Fail - transmition faild, terminate sending */ |
PavelKumpan | 26:5674b8978551 | 261 | return -1; |
PavelKumpan | 26:5674b8978551 | 262 | } |
PavelKumpan | 26:5674b8978551 | 263 | else |
PavelKumpan | 26:5674b8978551 | 264 | { |
PavelKumpan | 26:5674b8978551 | 265 | /* Nack - send it again*/ |
PavelKumpan | 26:5674b8978551 | 266 | } |
PavelKumpan | 26:5674b8978551 | 267 | } |
PavelKumpan | 26:5674b8978551 | 268 | |
PavelKumpan | 26:5674b8978551 | 269 | if (counter >= 10) |
PavelKumpan | 26:5674b8978551 | 270 | { |
PavelKumpan | 26:5674b8978551 | 271 | return -1; |
PavelKumpan | 26:5674b8978551 | 272 | } |
PavelKumpan | 26:5674b8978551 | 273 | else |
PavelKumpan | 26:5674b8978551 | 274 | { |
PavelKumpan | 26:5674b8978551 | 275 | return 0; |
PavelKumpan | 26:5674b8978551 | 276 | } |
PavelKumpan | 26:5674b8978551 | 277 | } |
PavelKumpan | 26:5674b8978551 | 278 | |
jkaderka | 12:e3cb430ec051 | 279 | int Wifi::bufferSendVerify(char c) |
jkaderka | 12:e3cb430ec051 | 280 | { |
legwinskij | 19:c2476c0ea3e0 | 281 | LPC_WDT->WDFEED = 0xAA; |
legwinskij | 19:c2476c0ea3e0 | 282 | LPC_WDT->WDFEED = 0x55; |
jkaderka | 12:e3cb430ec051 | 283 | int counter = 0; |
PavelKumpan | 26:5674b8978551 | 284 | int result = 0; |
jkaderka | 12:e3cb430ec051 | 285 | buffer[in_buf] = c; |
jkaderka | 12:e3cb430ec051 | 286 | in_buf++; |
jkaderka | 12:e3cb430ec051 | 287 | |
jkaderka | 12:e3cb430ec051 | 288 | if (in_buf != SEND_SIZE) |
PavelKumpan | 26:5674b8978551 | 289 | { |
jkaderka | 12:e3cb430ec051 | 290 | return 1; |
PavelKumpan | 26:5674b8978551 | 291 | } |
jkaderka | 12:e3cb430ec051 | 292 | |
jkaderka | 12:e3cb430ec051 | 293 | in_buf = 0; |
PavelKumpan | 26:5674b8978551 | 294 | while (counter++ < 16) |
PavelKumpan | 26:5674b8978551 | 295 | { |
PavelKumpan | 26:5674b8978551 | 296 | bufferSend(SEND_SIZE); |
PavelKumpan | 26:5674b8978551 | 297 | result = waitForAck(); |
PavelKumpan | 26:5674b8978551 | 298 | |
PavelKumpan | 26:5674b8978551 | 299 | if(result == 1) |
PavelKumpan | 26:5674b8978551 | 300 | { |
PavelKumpan | 26:5674b8978551 | 301 | /* Ack - break, no need to send it again */ |
PavelKumpan | 26:5674b8978551 | 302 | break; |
PavelKumpan | 26:5674b8978551 | 303 | } |
PavelKumpan | 26:5674b8978551 | 304 | else if (result == -1) |
legwinskij | 20:66ecb2f0e307 | 305 | { |
PavelKumpan | 26:5674b8978551 | 306 | /* Fail - transmition faild, terminate sending */ |
PavelKumpan | 26:5674b8978551 | 307 | return -1; |
PavelKumpan | 26:5674b8978551 | 308 | } |
PavelKumpan | 26:5674b8978551 | 309 | else |
PavelKumpan | 26:5674b8978551 | 310 | { |
PavelKumpan | 26:5674b8978551 | 311 | /* Nack - send it again*/ |
legwinskij | 20:66ecb2f0e307 | 312 | } |
jkaderka | 12:e3cb430ec051 | 313 | } |
PavelKumpan | 26:5674b8978551 | 314 | |
jkaderka | 12:e3cb430ec051 | 315 | if (counter >= 10) |
PavelKumpan | 26:5674b8978551 | 316 | { |
jkaderka | 12:e3cb430ec051 | 317 | return -1; |
PavelKumpan | 26:5674b8978551 | 318 | } |
PavelKumpan | 26:5674b8978551 | 319 | else |
PavelKumpan | 26:5674b8978551 | 320 | { |
PavelKumpan | 26:5674b8978551 | 321 | return 0; |
PavelKumpan | 26:5674b8978551 | 322 | } |
jkaderka | 4:030c7726c7dc | 323 | } |