trunk/src/mame/machine/m2comm.c
| r0 | r249135 | |
| 1 | // license:BSD-3-Clause |
| 2 | // copyright-holders:Ariane Fugmann |
| 3 | |
| 4 | /* |
| 5 | Sega MODEL2 COMMUNICATION BOARD 837-10537 |
| 6 | ( http://images.arianchen.de/sega-comm/daytona_comm.jpg ) |
| 7 | |-----------------------------------------------------------------------------| |
| 8 | | |-------------------| |-------------------| | |
| 9 | | |-------------------| |-------------------| | |
| 10 | | CN5 CN4 -- | |
| 11 | | LED Z80 LH5268A 16726.7 JP6 JP5 JP4 JP1 || | |
| 12 | | C|| | |
| 13 | | 315-5751 315-5752 uPD72103 N|| | |
| 14 | | JP7 8|| | |
| 15 | | LH5268A LH5268A JP8 || | |
| 16 | | JP9 -- | |
| 17 | | LH5268A LH5268A 315-5753A 315-5547 | |
| 18 | | | |
| 19 | | CN6 | |
| 20 | | CN9 | |
| 21 | | CN7 | |
| 22 | | CN3 CN2 CN1 | |
| 23 | | |-------------------| |-------------------| |-------------------| | |
| 24 | | |-------------------| |-------------------| |-------------------| | |
| 25 | |-----------------------------------------------------------------------------| |
| 26 | |
| 27 | Setup: |
| 28 | Z80 Zilog Z0840008PSC Z80 CPU (DIP40) |
| 29 | LH5268A SHARP LH5268AD-10LL 8k x8 SRAM (DIP28) |
| 30 | uPD72103 NEC uPD72103 HDLC/Frame Relay Controller (QFP80) |
| 31 | 16726.7 M27C1001 128k x8 EPROM (DIP32, labelled 'EPR-16726') |
| 32 | 315-5751 Lattice GAL16V8B-25LP PAL (DIP20) |
| 33 | 315-5752 Lattice GAL16V8B-25LP PAL (DIP20) |
| 34 | 315-5753A AMI 18CV8PC-15 PAL (DIP20) |
| 35 | 315-5547 AMI 18CV8PC-25 PAL (DIP20) |
| 36 | |
| 37 | Board: |
| 38 | 837-10537 Daytona USA |
| 39 | |
| 40 | EEPROM: |
| 41 | 16726.7 Daytona USA |
| 42 | |
| 43 | |
| 44 | Sega PC BD MODEL2 A-CRX COMMUNICATION 837-11525 |
| 45 | ( http://images.arianchen.de/sega-comm/srally_comm.jpg ) |
| 46 | |-------------------------------------------------------------------------------------------| |
| 47 | | |-------------------| |-------------------| |---------| | |
| 48 | | |-------------------| |-------------------| |---------| | |
| 49 | | CN5 CN4 CN10 | |
| 50 | | LED Z80 LH5268A 16726.7 JP6 JP5 JP4 JP1 | |
| 51 | | | |
| 52 | | 315-5751 315-5752 uPD72103 | |
| 53 | | | |
| 54 | | LH5268A LH5268A | |
| 55 | | -- | |
| 56 | | LH5268A LH5268A 315-5753A 315-5547 || | |
| 57 | | C|| | |
| 58 | | N|| | |
| 59 | | CN9 8|| | |
| 60 | | JP7 || | |
| 61 | | CN3 CN2 CN1 JP8 -- | |
| 62 | | |-------------------| |-------------------| |-------------------| JP9 | |
| 63 | | |-------------------| |-------------------| |-------------------| | |
| 64 | |-------------------------------------------------------------------------------------------| |
| 65 | |
| 66 | Setup: |
| 67 | Z80 Zilog Z0840008PSC Z80 CPU (DIP40) |
| 68 | LH5268A SHARP LH5268AD-10LL 8k x8 SRAM (DIP28) |
| 69 | uPD72103 NEC uPD72103 HDLC/Frame Relay Controller (QFP80) |
| 70 | 16726.7 M27C1001 128k x8 EPROM (DIP32, labelled 'EPR-16726') |
| 71 | 315-5751 Lattice GAL16V8B-25LP PAL (DIP20) |
| 72 | 315-5752 Lattice GAL16V8B-25LP PAL (DIP20) |
| 73 | 315-5753A AMI 18CV8PC-15 PAL (DIP20) |
| 74 | 315-5547 AMI 18CV8PC-25 PAL (DIP20) |
| 75 | |
| 76 | Board: |
| 77 | 837-11525 |
| 78 | 837-11572 Sega Rally Championship |
| 79 | |
| 80 | EEPROM: |
| 81 | 16726.7 Sega Rally Championship |
| 82 | 18643A.7 ManxTT |
| 83 | |
| 84 | |
| 85 | Sega PC BD MODEL2 B-CRX COMMUNICATION 837-11615 |
| 86 | ( http://images.arianchen.de/sega-comm/model2b-com_top.jpg ) |
| 87 | |-------------------------------------------------------------------------------------------| |
| 88 | | | |
| 89 | | -- | |
| 90 | | || 18643A.7 MB84256A Z80 | |
| 91 | | C|| MB84256A | |
| 92 | | N|| JP9 uPD72103A 315-5751 | |
| 93 | | 8|| JP8 MB84256A | |
| 94 | | || JP7 315-5752 | |
| 95 | | -- MB84256A | |
| 96 | | | |
| 97 | | MB84256A | |
| 98 | | 315-5753A | |
| 99 | | LED | |
| 100 | | 315-5547A | |
| 101 | | | |
| 102 | | CN1 | |
| 103 | | |-------------------| | |
| 104 | | CN3 |-------------------| | |
| 105 | |-------------------------------------------------------------------------------------------| |
| 106 | |
| 107 | Setup: |
| 108 | Z80 Zilog Z0840008PSC Z80 CPU (DIP40) |
| 109 | MB84256A Fujitsu MB84256A-70LL 32k x8 SRAM (SDIP28) |
| 110 | uPD72103A NEC uPD72103 HDLC/Frame Relay Controller (QFP80) |
| 111 | 18643A.7 M27C1001 128k x8 EPROM (DIP32, labelled 'EPR-18643A') |
| 112 | 315-5751 Lattice GAL16V8B-25LP PAL (DIP20) |
| 113 | 315-5752 Lattice GAL16V8B-25LP PAL (DIP20) |
| 114 | 315-5753A ICT PEEL18CV8P-15 PAL (DIP20) |
| 115 | 315-5547A AMI 18CV8PC-25 PAL (DIP20) |
| 116 | |
| 117 | Board: |
| 118 | 837-11615 Virtua On |
| 119 | 837-11615-02 Virtua On |
| 120 | |
| 121 | EEPROM: |
| 122 | 18643.7 Virtua On |
| 123 | 18643A.7 Virtua On |
| 124 | |
| 125 | |
| 126 | |
| 127 | |
| 128 | Sega PC BD MODEL2 C-CRX COMMUNICATION 837-12839 |
| 129 | |-------------------------------------------------------------------------------------------| |
| 130 | | | |
| 131 | | -- | |
| 132 | | || 18643A.7 MB84256A Z80 | |
| 133 | | C|| MB84256A | |
| 134 | | N|| JP9 uPD72103A 315-5751 | |
| 135 | | 8|| JP8 MB84256A | |
| 136 | | || JP7 315-5752 | |
| 137 | | -- MB84256A | |
| 138 | | | |
| 139 | | MB84256A | |
| 140 | | 315-5753A | |
| 141 | | LED | |
| 142 | | 315-5547A | |
| 143 | | | |
| 144 | | CN1 | |
| 145 | | |-------------------| | |
| 146 | | CN3 |-------------------| | |
| 147 | |-------------------------------------------------------------------------------------------| |
| 148 | |
| 149 | Setup: |
| 150 | Z80 Zilog Z0840008PSC Z80 CPU (DIP40) |
| 151 | MB84256A Fujitsu MB84256A-70LL 32k x8 SRAM (SDIP28) |
| 152 | uPD72103A NEC uPD72103 HDLC/Frame Relay Controller (QFP80) |
| 153 | 18643A.7 M27C1001 128k x8 EPROM (DIP32, labelled 'EPR-18643A') |
| 154 | 315-5751 Lattice GAL16V8B-25LP PAL (DIP20) |
| 155 | 315-5752 Lattice GAL16V8B-25LP PAL (DIP20) |
| 156 | 315-5753A ICT PEEL18CV8P-15 PAL (DIP20) |
| 157 | 315-5547A AMI 18CV8PC-25 PAL (DIP20) |
| 158 | |
| 159 | Board: |
| 160 | 837-12839 Sega Touring Car Championship |
| 161 | |
| 162 | EEPROM: |
| 163 | 18643A.7 Sega Touring Car Championship |
| 164 | */ |
| 165 | |
| 166 | #include "machine/m2comm.h" |
| 167 | |
| 168 | //#define __M2COMM_VERBOSE__ |
| 169 | |
| 170 | MACHINE_CONFIG_FRAGMENT( m2comm ) |
| 171 | MACHINE_CONFIG_END |
| 172 | |
| 173 | //************************************************************************** |
| 174 | // GLOBAL VARIABLES |
| 175 | //************************************************************************** |
| 176 | |
| 177 | const device_type M2COMM = &device_creator<m2comm_device>; |
| 178 | |
| 179 | //------------------------------------------------- |
| 180 | // machine_config_additions - device-specific |
| 181 | // machine configurations |
| 182 | //------------------------------------------------- |
| 183 | |
| 184 | machine_config_constructor m2comm_device::device_mconfig_additions() const |
| 185 | { |
| 186 | return MACHINE_CONFIG_NAME( m2comm ); |
| 187 | } |
| 188 | |
| 189 | //************************************************************************** |
| 190 | // LIVE DEVICE |
| 191 | //************************************************************************** |
| 192 | |
| 193 | //------------------------------------------------- |
| 194 | // m2comm_device - constructor |
| 195 | //------------------------------------------------- |
| 196 | |
| 197 | m2comm_device::m2comm_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : |
| 198 | device_t(mconfig, M2COMM, "MODEL2 COMMUNICATION BD", tag, owner, clock, "m2comm", __FILE__), |
| 199 | m_line_rx(OPEN_FLAG_WRITE | OPEN_FLAG_CREATE ), |
| 200 | m_line_tx(OPEN_FLAG_READ) |
| 201 | { |
| 202 | // prepare localhost "filename" |
| 203 | m_localhost[0] = 0; |
| 204 | strcat(m_localhost, "socket."); |
| 205 | strcat(m_localhost, mconfig.options().comm_localhost()); |
| 206 | strcat(m_localhost, ":"); |
| 207 | strcat(m_localhost, mconfig.options().comm_localport()); |
| 208 | |
| 209 | // prepare remotehost "filename" |
| 210 | m_remotehost[0] = 0; |
| 211 | strcat(m_remotehost, "socket."); |
| 212 | strcat(m_remotehost, mconfig.options().comm_remotehost()); |
| 213 | strcat(m_remotehost, ":"); |
| 214 | strcat(m_remotehost, mconfig.options().comm_remoteport()); |
| 215 | } |
| 216 | |
| 217 | //------------------------------------------------- |
| 218 | // device_start - device-specific startup |
| 219 | //------------------------------------------------- |
| 220 | |
| 221 | void m2comm_device::device_start() |
| 222 | { |
| 223 | } |
| 224 | |
| 225 | //------------------------------------------------- |
| 226 | // device_reset - device-specific reset |
| 227 | //------------------------------------------------- |
| 228 | |
| 229 | void m2comm_device::device_reset() |
| 230 | { |
| 231 | set_linktype(16726); |
| 232 | m_zfg = 0; |
| 233 | m_cn = 0; |
| 234 | m_fg = 0; |
| 235 | } |
| 236 | |
| 237 | READ8_MEMBER(m2comm_device::zfg_r) |
| 238 | { |
| 239 | UINT8 result = m_zfg | 0xFE; |
| 240 | #ifdef __M2COMM_VERBOSE__ |
| 241 | printf("m2comm-zfg_r: read register %02x for value %02x\n", offset, result); |
| 242 | #endif |
| 243 | return result; |
| 244 | } |
| 245 | |
| 246 | WRITE8_MEMBER(m2comm_device::zfg_w) |
| 247 | { |
| 248 | #ifdef __M2COMM_VERBOSE__ |
| 249 | printf("m2comm-zfg_w: %02x\n", data); |
| 250 | #endif |
| 251 | m_zfg = data & 0x01; |
| 252 | } |
| 253 | |
| 254 | READ8_MEMBER(m2comm_device::share_r) |
| 255 | { |
| 256 | UINT8 result = m_shared[offset]; |
| 257 | #ifdef __M2COMM_VERBOSE__ |
| 258 | printf("m2comm-share_r: read shared memory %02x for value %02x\n", offset, result); |
| 259 | #endif |
| 260 | return result; |
| 261 | } |
| 262 | |
| 263 | WRITE8_MEMBER(m2comm_device::share_w) |
| 264 | { |
| 265 | #ifdef __M2COMM_VERBOSE__ |
| 266 | printf("m2comm-share_w: %02x %02x\n", offset, data); |
| 267 | #endif |
| 268 | m_shared[offset] = data; |
| 269 | } |
| 270 | |
| 271 | READ8_MEMBER(m2comm_device::cn_r) |
| 272 | { |
| 273 | return m_cn; |
| 274 | } |
| 275 | |
| 276 | WRITE8_MEMBER(m2comm_device::cn_w) |
| 277 | { |
| 278 | m_cn = data & 0x01; |
| 279 | |
| 280 | #ifndef __M2COMM_SIMULATION__ |
| 281 | if (!m_cn) |
| 282 | device_reset(); |
| 283 | #else |
| 284 | if (!m_cn) |
| 285 | { |
| 286 | // reset command |
| 287 | printf("M2COMM: board disabled\n"); |
| 288 | m_linkenable = 0x00; |
| 289 | } |
| 290 | else |
| 291 | { |
| 292 | // init command |
| 293 | printf("M2COMM: board enabled\n"); |
| 294 | m_linkenable = 0x01; |
| 295 | m_linkid = 0x00; |
| 296 | m_linkalive = 0x00; |
| 297 | m_linkcount = 0x00; |
| 298 | m_linktimer = 0x04; //0x00E8; // 58 fps * 4s |
| 299 | |
| 300 | comm_tick(); |
| 301 | } |
| 302 | #endif |
| 303 | } |
| 304 | |
| 305 | READ8_MEMBER(m2comm_device::fg_r) |
| 306 | { |
| 307 | return m_fg | (~m_zfg << 7); |
| 308 | } |
| 309 | |
| 310 | WRITE8_MEMBER(m2comm_device::fg_w) |
| 311 | { |
| 312 | m_fg = data & 0x01; |
| 313 | } |
| 314 | |
| 315 | void m2comm_device::check_vint_irq() |
| 316 | { |
| 317 | #ifndef __M2COMM_SIMULATION__ |
| 318 | #else |
| 319 | comm_tick(); |
| 320 | #endif |
| 321 | } |
| 322 | |
| 323 | #ifdef __M2COMM_SIMULATION__ |
| 324 | void m2comm_device::set_linktype(UINT16 linktype) |
| 325 | { |
| 326 | m_linktype = linktype; |
| 327 | |
| 328 | switch (m_linktype) |
| 329 | { |
| 330 | case 16726: |
| 331 | // Daytona USA / Sega Rally Championship |
| 332 | printf("M2COMM: set mode 'EPR-16726 - Daytona USA'\n"); |
| 333 | break; |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | void m2comm_device::comm_tick() |
| 338 | { |
| 339 | switch (m_linktype) |
| 340 | { |
| 341 | case 16726: |
| 342 | // Daytona USA / Sega Rally Championship |
| 343 | comm_tick_16726(); |
| 344 | break; |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | void m2comm_device::comm_tick_16726() |
| 349 | { |
| 350 | if (m_linkenable == 0x01) |
| 351 | { |
| 352 | m_zfg ^= 1; |
| 353 | |
| 354 | int frameStart = 0x2000; |
| 355 | int frameOffset = 0x0000; |
| 356 | int frameSize = 0x01c0; |
| 357 | int dataSize = frameSize + 1; |
| 358 | int togo = 0; |
| 359 | int recv = 0; |
| 360 | int idx = 0; |
| 361 | |
| 362 | bool isMaster = (m_fg == 0x01); |
| 363 | bool isSlave = (m_fg == 0x00); |
| 364 | |
| 365 | // if link not yet established... |
| 366 | if (m_linkalive == 0x00) |
| 367 | { |
| 368 | // waiting... |
| 369 | m_shared[0] = 0x00; |
| 370 | m_shared[2] = 0xff; |
| 371 | m_shared[3] = 0xff; |
| 372 | |
| 373 | // check rx socket |
| 374 | if (!m_line_rx.is_open()) |
| 375 | { |
| 376 | printf("M2COMM: listen on %s\n", m_localhost); |
| 377 | m_line_rx.open(m_localhost); |
| 378 | } |
| 379 | |
| 380 | // check tx socket |
| 381 | if (!m_line_tx.is_open()) |
| 382 | { |
| 383 | printf("M2COMM: connect to %s\n", m_remotehost); |
| 384 | m_line_tx.open(m_remotehost); |
| 385 | } |
| 386 | |
| 387 | // if both sockets are there check ring |
| 388 | if ((m_line_rx.is_open()) && (m_line_tx.is_open())) |
| 389 | { |
| 390 | // try to read one messages |
| 391 | recv = m_line_rx.read(m_buffer, dataSize); |
| 392 | while (recv != 0) |
| 393 | { |
| 394 | // check if complete message |
| 395 | if (recv == dataSize) |
| 396 | { |
| 397 | // check if message id |
| 398 | idx = m_buffer[0]; |
| 399 | |
| 400 | // 0xFF - link id |
| 401 | if (idx == 0xff) |
| 402 | { |
| 403 | if (isMaster) |
| 404 | { |
| 405 | // master gets first id and starts next state |
| 406 | m_linkid = 0x01; |
| 407 | m_linkcount = m_buffer[1]; |
| 408 | m_linktimer = 0x01; |
| 409 | } |
| 410 | else if (isSlave) |
| 411 | { |
| 412 | m_buffer[1]++; |
| 413 | m_linkid = m_buffer[1]; |
| 414 | |
| 415 | // forward message |
| 416 | m_line_tx.write(m_buffer, dataSize); |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | // 0xFE - link size |
| 421 | else if (idx == 0xfe) |
| 422 | { |
| 423 | if (isSlave) |
| 424 | { |
| 425 | m_linkcount = m_buffer[1]; |
| 426 | |
| 427 | // forward message |
| 428 | m_line_tx.write(m_buffer, dataSize); |
| 429 | } |
| 430 | |
| 431 | // consider it done |
| 432 | printf("M2COMM: link established - id %02x of %02x\n", m_linkid, m_linkcount); |
| 433 | m_linkalive = 0x01; |
| 434 | |
| 435 | // write to shared mem |
| 436 | m_shared[0] = 0x01; |
| 437 | m_shared[2] = m_linkid; |
| 438 | m_shared[3] = m_linkcount; |
| 439 | } |
| 440 | } |
| 441 | else |
| 442 | { |
| 443 | // got only part of a message - read the rest (and drop it) |
| 444 | // TODO: combine parts and push to "ring buffer" |
| 445 | togo = dataSize - recv; |
| 446 | while (togo > 0){ |
| 447 | recv = m_line_rx.read(m_buffer, togo); |
| 448 | togo -= recv; |
| 449 | } |
| 450 | printf("M2COMM: droped a message...\n"); |
| 451 | } |
| 452 | |
| 453 | if (m_linkalive == 0x00) |
| 454 | recv = m_line_rx.read(m_buffer, dataSize); |
| 455 | else |
| 456 | recv = 0; |
| 457 | } |
| 458 | |
| 459 | // if we are master and link is not yet established |
| 460 | if (isMaster && (m_linkalive == 0x00)) |
| 461 | { |
| 462 | // send first packet |
| 463 | if (m_linktimer == 0x00) |
| 464 | { |
| 465 | m_buffer[0] = 0xff; |
| 466 | m_buffer[1] = 0x01; |
| 467 | m_line_tx.write(m_buffer, dataSize); |
| 468 | } |
| 469 | |
| 470 | // send second packet |
| 471 | else if (m_linktimer == 0x01) |
| 472 | { |
| 473 | m_buffer[0] = 0xfe; |
| 474 | m_buffer[1] = m_linkcount; |
| 475 | m_line_tx.write(m_buffer, dataSize); |
| 476 | |
| 477 | // consider it done |
| 478 | printf("M2COMM: link established - id %02x of %02x\n", m_linkid, m_linkcount); |
| 479 | m_linkalive = 0x01; |
| 480 | |
| 481 | // write to shared mem |
| 482 | m_shared[0] = 0x01; |
| 483 | m_shared[2] = m_linkid; |
| 484 | m_shared[3] = m_linkcount; |
| 485 | } |
| 486 | |
| 487 | else if (m_linktimer > 0x02) |
| 488 | { |
| 489 | // decrease delay timer |
| 490 | m_linktimer--; |
| 491 | if (m_linktimer == 0x02) |
| 492 | m_linktimer = 0x00; |
| 493 | } |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | // update "ring buffer" if link established |
| 499 | if (m_linkalive == 0x01) |
| 500 | { |
| 501 | int togo = 0; |
| 502 | // try to read one messages |
| 503 | int recv = m_line_rx.read(m_buffer, dataSize); |
| 504 | while (recv != 0) |
| 505 | { |
| 506 | // check if complete message |
| 507 | if (recv == dataSize) |
| 508 | { |
| 509 | // check if valid id |
| 510 | int idx = m_buffer[0]; |
| 511 | if (idx > 0 && idx <= m_linkcount) { |
| 512 | int slotFrom = m_linkid - idx; |
| 513 | int slotDest = slotFrom + m_linkcount; |
| 514 | while (slotDest < 9) { |
| 515 | slotDest += m_linkcount; |
| 516 | } |
| 517 | while (slotDest - m_linkcount > 0) { |
| 518 | slotFrom = slotDest - m_linkcount; |
| 519 | if (slotDest < 9) { |
| 520 | int frameOffset1 = frameStart + slotFrom * frameSize; |
| 521 | int frameOffset2 = frameStart + slotDest * frameSize; |
| 522 | for (int j = 0x00 ; j < frameSize ; j++) |
| 523 | { |
| 524 | m_shared[frameOffset2 + j] = m_shared[frameOffset1 + j]; |
| 525 | } |
| 526 | } |
| 527 | slotDest -= m_linkcount; |
| 528 | } |
| 529 | if (slotDest > 0) { |
| 530 | // save message to "ring buffer" |
| 531 | frameOffset = frameStart + (slotDest * frameSize); |
| 532 | for (int j = 0x00 ; j < frameSize ; j++) |
| 533 | { |
| 534 | m_shared[frameOffset + j] = m_buffer[1 + j]; |
| 535 | } |
| 536 | } |
| 537 | if (idx != m_linkid) |
| 538 | { |
| 539 | // forward message to other nodes |
| 540 | m_line_tx.write(m_buffer, dataSize); |
| 541 | } |
| 542 | } else { |
| 543 | if (!isMaster && idx == 0xF0){ |
| 544 | // 0xF0 - master addional bytes |
| 545 | for (int j = 0x05 ; j < 0x10 ; j++) |
| 546 | { |
| 547 | m_shared[j] = m_buffer[1 + j]; |
| 548 | } |
| 549 | |
| 550 | // forward message to other nodes |
| 551 | m_line_tx.write(m_buffer, dataSize); |
| 552 | } |
| 553 | } |
| 554 | } |
| 555 | else |
| 556 | { |
| 557 | // got only part of a message - read the rest (and drop it) |
| 558 | // TODO: combine parts and push to "ring buffer" |
| 559 | togo = dataSize - recv; |
| 560 | while (togo > 0){ |
| 561 | recv = m_line_rx.read(m_buffer, togo); |
| 562 | togo -= recv; |
| 563 | } |
| 564 | printf("M2COMM: droped a message...\n"); |
| 565 | } |
| 566 | recv = m_line_rx.read(m_buffer, dataSize); |
| 567 | } |
| 568 | |
| 569 | // push message to other nodes |
| 570 | m_buffer[0] = m_linkid; |
| 571 | for (int j = 0x00 ; j < frameSize ; j++) |
| 572 | { |
| 573 | m_buffer[1 + j] = m_shared[frameStart + j]; |
| 574 | } |
| 575 | m_line_tx.write(m_buffer, dataSize); |
| 576 | |
| 577 | // master sends some additional status bytes |
| 578 | if (isMaster){ |
| 579 | m_buffer[0] = 0xF0; |
| 580 | for (int j = 0x00 ; j < frameSize ; j++) |
| 581 | { |
| 582 | m_buffer[1 + j] = 0x00; |
| 583 | } |
| 584 | for (int j = 0x05 ; j < 0x10 ; j++) |
| 585 | { |
| 586 | m_buffer[1 + j] = m_shared[j]; |
| 587 | } |
| 588 | // push message to other nodes |
| 589 | m_line_tx.write(m_buffer, dataSize); |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | // clear 03 |
| 594 | //TODO:m_shared[3] = 0x00; |
| 595 | } |
| 596 | } |
| 597 | #endif |