Changeset 9939 for firmware/FTU/FTU_top_tb.vhd
- Timestamp:
- 09/22/10 18:08:06 (16 years ago)
- File:
-
- 1 edited
-
firmware/FTU/FTU_top_tb.vhd (modified) (3 diffs)
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firmware/FTU/FTU_top_tb.vhd
r9928 r9939 194 194 ); 195 195 196 -- Clock process definitions196 -- Stimulus process for clock 197 197 ext_clk_proc: process 198 198 begin … … 203 203 end process ext_clk_proc; 204 204 205 -- Stimulus process 206 stim_proc: process205 -- Stimulus process for trigger 206 trigger_proc: process 207 207 begin 208 208 --------------------------------------------------------------------------- … … 236 236 wait for 5ns; 237 237 trigger_sig <= '0'; 238 --------------------------------------------------------------------------- 239 -- test now RS485 240 --------------------------------------------------------------------------- 241 wait for 100us; 242 rx <= '0'; --start bit 243 wait for baud_rate_period; 244 rx <= '0'; --start delimiter bit 0 245 wait for baud_rate_period; 246 rx <= '0'; --start delimiter bit 1 247 wait for baud_rate_period; 248 rx <= '0'; --start delimiter bit 2 249 wait for baud_rate_period; 250 rx <= '0'; --start delimiter bit 3 251 wait for baud_rate_period; 252 rx <= '0'; --start delimiter bit 4 253 wait for baud_rate_period; 254 rx <= '0'; --start delimiter bit 5 255 wait for baud_rate_period; 256 rx <= '1'; --start delimiter bit 6 257 wait for baud_rate_period; 258 rx <= '0'; --start delimiter bit 7 259 wait for baud_rate_period; 260 rx <= '1'; --stop bit 261 wait for baud_rate_period; 262 rx <= '1'; --stop bit 263 wait for baud_rate_period; 264 --------------------------------------------------------------------------- 238 wait for 1430us; 239 trigger_sig <= '1'; 240 wait for 5ns; 241 trigger_sig <= '0'; 242 wait for 400us; 243 trigger_sig <= '1'; 244 wait for 5ns; 245 trigger_sig <= '0'; 246 wait; 247 end process trigger_proc; 248 249 -- Stimulus process for RS485 250 rs485_proc: process 251 252 procedure assign_rs485 (data: std_logic_vector(7 downto 0)) is 253 begin 254 rx <= '0'; --start bit 255 wait for baud_rate_period; 256 rx <= data(0); --bit 0 257 wait for baud_rate_period; 258 rx <= data(1); --bit 1 259 wait for baud_rate_period; 260 rx <= data(2); --bit 2 261 wait for baud_rate_period; 262 rx <= data(3); --bit 3 263 wait for baud_rate_period; 264 rx <= data(4); --bit 4 265 wait for baud_rate_period; 266 rx <= data(5); --bit 5 267 wait for baud_rate_period; 268 rx <= data(6); --bit 6 269 wait for baud_rate_period; 270 rx <= data(7); --bit 7 271 wait for baud_rate_period; 272 rx <= '1'; --stop bit 273 wait for baud_rate_period; 274 rx <= '1'; --stop bit 275 wait for baud_rate_period; 276 end assign_rs485; 277 278 begin 279 --------------------------------------------------------------------------- 280 -- wait until FTU is initialized 281 --------------------------------------------------------------------------- 282 wait for 150us; 283 --------------------------------------------------------------------------- 284 -- test one RS485 command (16 byte) 285 --------------------------------------------------------------------------- 286 assign_rs485("01000000"); --start delimiter 265 287 wait for 1us; 266 rx <= '0'; --start bit 267 wait for baud_rate_period; 268 rx <= '0'; --FTU address bit 0 269 wait for baud_rate_period; 270 rx <= '0'; --FTU address bit 1 271 wait for baud_rate_period; 272 rx <= '0'; --FTU address bit 2 273 wait for baud_rate_period; 274 rx <= '0'; --FTU address bit 3 275 wait for baud_rate_period; 276 rx <= '0'; --FTU address bit 4 277 wait for baud_rate_period; 278 rx <= '0'; --FTU address bit 5 279 wait for baud_rate_period; 280 rx <= '0'; --FTU address bit 6 281 wait for baud_rate_period; 282 rx <= '0'; --FTU address bit 7 283 wait for baud_rate_period; 284 rx <= '1'; --stop bit 285 wait for baud_rate_period; 286 rx <= '1'; --stop bit 287 wait for baud_rate_period; 288 --------------------------------------------------------------------------- 288 assign_rs485("00000000"); --FTU address 289 289 wait for 10ns; 290 rx <= '0'; --start bit 291 wait for baud_rate_period; 292 rx <= '0'; --FTM address bit 0 293 wait for baud_rate_period; 294 rx <= '0'; --FTM address bit 1 295 wait for baud_rate_period; 296 rx <= '0'; --FTM address bit 2 297 wait for baud_rate_period; 298 rx <= '0'; --FTM address bit 3 299 wait for baud_rate_period; 300 rx <= '0'; --FTM address bit 4 301 wait for baud_rate_period; 302 rx <= '0'; --FTM address bit 5 303 wait for baud_rate_period; 304 rx <= '1'; --FTM address bit 6 305 wait for baud_rate_period; 306 rx <= '1'; --FTM address bit 7 307 wait for baud_rate_period; 308 rx <= '1'; --stop bit 309 wait for baud_rate_period; 310 rx <= '1'; --stop bit 311 wait for baud_rate_period; 312 --------------------------------------------------------------------------- 313 wait for 100ns; 314 rx <= '0'; --start bit 315 wait for baud_rate_period; 316 rx <= '0'; --instruction bit 0 317 wait for baud_rate_period; 318 rx <= '1'; --instruction bit 1 319 wait for baud_rate_period; 320 rx <= '0'; --instruction bit 2 321 wait for baud_rate_period; 322 rx <= '0'; --instruction bit 3 323 wait for baud_rate_period; 324 rx <= '0'; --instruction bit 4 325 wait for baud_rate_period; 326 rx <= '0'; --instruction bit 5 327 wait for baud_rate_period; 328 rx <= '0'; --instruction bit 6 329 wait for baud_rate_period; 330 rx <= '0'; --instruction bit 7 331 wait for baud_rate_period; 332 rx <= '1'; --stop bit 333 wait for baud_rate_period; 334 rx <= '1'; --stop bit 335 wait for baud_rate_period; 336 --------------------------------------------------------------------------- 290 assign_rs485("11000000"); --FTM address 291 wait for 100ns; 292 assign_rs485("00000000"); --instruction 337 293 wait for 200us; 338 rx <= '0'; --start bit 339 wait for baud_rate_period; 340 rx <= '0'; --data1 bit 0 341 wait for baud_rate_period; 342 rx <= '0'; --data1 bit 1 343 wait for baud_rate_period; 344 rx <= '0'; --data1 bit 2 345 wait for baud_rate_period; 346 rx <= '0'; --data1 bit 3 347 wait for baud_rate_period; 348 rx <= '0'; --data1 bit 4 349 wait for baud_rate_period; 350 rx <= '0'; --data1 bit 5 351 wait for baud_rate_period; 352 rx <= '0'; --data1 bit 6 353 wait for baud_rate_period; 354 rx <= '0'; --data1 bit 7 355 wait for baud_rate_period; 356 rx <= '1'; --stop bit 357 wait for baud_rate_period; 358 rx <= '1'; --stop bit 359 wait for baud_rate_period; 360 --------------------------------------------------------------------------- 361 wait for 100ns; 362 rx <= '0'; --start bit 363 wait for baud_rate_period; 364 rx <= '0'; --data2 bit 0 365 wait for baud_rate_period; 366 rx <= '0'; --data2 bit 1 367 wait for baud_rate_period; 368 rx <= '0'; --data2 bit 2 369 wait for baud_rate_period; 370 rx <= '0'; --data2 bit 3 371 wait for baud_rate_period; 372 rx <= '0'; --data2 bit 4 373 wait for baud_rate_period; 374 rx <= '0'; --data2 bit 5 375 wait for baud_rate_period; 376 rx <= '0'; --data2 bit 6 377 wait for baud_rate_period; 378 rx <= '0'; --data2 bit 7 379 wait for baud_rate_period; 380 rx <= '1'; --stop bit 381 wait for baud_rate_period; 382 rx <= '1'; --stop bit 383 wait for baud_rate_period; 384 --------------------------------------------------------------------------- 385 wait for 100ns; 386 rx <= '0'; --start bit 387 wait for baud_rate_period; 388 rx <= '0'; --data3 bit 0 389 wait for baud_rate_period; 390 rx <= '0'; --data3 bit 1 391 wait for baud_rate_period; 392 rx <= '0'; --data3 bit 2 393 wait for baud_rate_period; 394 rx <= '0'; --data3 bit 3 395 wait for baud_rate_period; 396 rx <= '0'; --data3 bit 4 397 wait for baud_rate_period; 398 rx <= '0'; --data3 bit 5 399 wait for baud_rate_period; 400 rx <= '0'; --data3 bit 6 401 wait for baud_rate_period; 402 rx <= '0'; --data3 bit 7 403 wait for baud_rate_period; 404 rx <= '1'; --stop bit 405 wait for baud_rate_period; 406 rx <= '1'; --stop bit 407 wait for baud_rate_period; 408 --------------------------------------------------------------------------- 409 wait for 100ns; 410 rx <= '0'; --start bit 411 wait for baud_rate_period; 412 rx <= '0'; --data4 bit 0 413 wait for baud_rate_period; 414 rx <= '0'; --data4 bit 1 415 wait for baud_rate_period; 416 rx <= '0'; --data4 bit 2 417 wait for baud_rate_period; 418 rx <= '0'; --data4 bit 3 419 wait for baud_rate_period; 420 rx <= '0'; --data4 bit 4 421 wait for baud_rate_period; 422 rx <= '0'; --data4 bit 5 423 wait for baud_rate_period; 424 rx <= '0'; --data4 bit 6 425 wait for baud_rate_period; 426 rx <= '0'; --data4 bit 7 427 wait for baud_rate_period; 428 rx <= '1'; --stop bit 429 wait for baud_rate_period; 430 rx <= '1'; --stop bit 431 wait for baud_rate_period; 432 --------------------------------------------------------------------------- 433 wait for 100ns; 434 rx <= '0'; --start bit 435 wait for baud_rate_period; 436 rx <= '0'; --data5 bit 0 437 wait for baud_rate_period; 438 rx <= '0'; --data5 bit 1 439 wait for baud_rate_period; 440 rx <= '0'; --data5 bit 2 441 wait for baud_rate_period; 442 rx <= '0'; --data5 bit 3 443 wait for baud_rate_period; 444 rx <= '0'; --data5 bit 4 445 wait for baud_rate_period; 446 rx <= '0'; --data5 bit 5 447 wait for baud_rate_period; 448 rx <= '0'; --data5 bit 6 449 wait for baud_rate_period; 450 rx <= '0'; --data5 bit 7 451 wait for baud_rate_period; 452 rx <= '1'; --stop bit 453 wait for baud_rate_period; 454 rx <= '1'; --stop bit 455 wait for baud_rate_period; 456 --------------------------------------------------------------------------- 457 wait for 100ns; 458 rx <= '0'; --start bit 459 wait for baud_rate_period; 460 rx <= '0'; --data6 bit 0 461 wait for baud_rate_period; 462 rx <= '0'; --data6 bit 1 463 wait for baud_rate_period; 464 rx <= '0'; --data6 bit 2 465 wait for baud_rate_period; 466 rx <= '0'; --data6 bit 3 467 wait for baud_rate_period; 468 rx <= '0'; --data6 bit 4 469 wait for baud_rate_period; 470 rx <= '0'; --data6 bit 5 471 wait for baud_rate_period; 472 rx <= '0'; --data6 bit 6 473 wait for baud_rate_period; 474 rx <= '0'; --data6 bit 7 475 wait for baud_rate_period; 476 rx <= '1'; --stop bit 477 wait for baud_rate_period; 478 rx <= '1'; --stop bit 479 wait for baud_rate_period; 480 --------------------------------------------------------------------------- 481 wait for 100ns; 482 rx <= '0'; --start bit 483 wait for baud_rate_period; 484 rx <= '0'; --data7 bit 0 485 wait for baud_rate_period; 486 rx <= '0'; --data7 bit 1 487 wait for baud_rate_period; 488 rx <= '0'; --data7 bit 2 489 wait for baud_rate_period; 490 rx <= '0'; --data7 bit 3 491 wait for baud_rate_period; 492 rx <= '0'; --data7 bit 4 493 wait for baud_rate_period; 494 rx <= '0'; --data7 bit 5 495 wait for baud_rate_period; 496 rx <= '0'; --data7 bit 6 497 wait for baud_rate_period; 498 rx <= '0'; --data7 bit 7 499 wait for baud_rate_period; 500 rx <= '1'; --stop bit 501 wait for baud_rate_period; 502 rx <= '1'; --stop bit 503 wait for baud_rate_period; 504 --------------------------------------------------------------------------- 505 wait for 100ns; 506 rx <= '0'; --start bit 507 wait for baud_rate_period; 508 rx <= '0'; --data8 bit 0 509 wait for baud_rate_period; 510 rx <= '0'; --data8 bit 1 511 wait for baud_rate_period; 512 rx <= '0'; --data8 bit 2 513 wait for baud_rate_period; 514 rx <= '0'; --data8 bit 3 515 wait for baud_rate_period; 516 rx <= '0'; --data8 bit 4 517 wait for baud_rate_period; 518 rx <= '0'; --data8 bit 5 519 wait for baud_rate_period; 520 rx <= '0'; --data8 bit 6 521 wait for baud_rate_period; 522 rx <= '0'; --data8 bit 7 523 wait for baud_rate_period; 524 rx <= '1'; --stop bit 525 wait for baud_rate_period; 526 rx <= '1'; --stop bit 527 wait for baud_rate_period; 528 --------------------------------------------------------------------------- 529 wait for 100ns; 530 rx <= '0'; --start bit 531 wait for baud_rate_period; 532 rx <= '0'; --data9 bit 0 533 wait for baud_rate_period; 534 rx <= '0'; --data9 bit 1 535 wait for baud_rate_period; 536 rx <= '0'; --data9 bit 2 537 wait for baud_rate_period; 538 rx <= '0'; --data9 bit 3 539 wait for baud_rate_period; 540 rx <= '0'; --data9 bit 4 541 wait for baud_rate_period; 542 rx <= '0'; --data9 bit 5 543 wait for baud_rate_period; 544 rx <= '0'; --data9 bit 6 545 wait for baud_rate_period; 546 rx <= '0'; --data9 bit 7 547 wait for baud_rate_period; 548 rx <= '1'; --stop bit 549 wait for baud_rate_period; 550 rx <= '1'; --stop bit 551 wait for baud_rate_period; 552 --------------------------------------------------------------------------- 553 wait for 100ns; 554 rx <= '0'; --start bit 555 wait for baud_rate_period; 556 rx <= '0'; --data10 bit 0 557 wait for baud_rate_period; 558 rx <= '0'; --data10 bit 1 559 wait for baud_rate_period; 560 rx <= '0'; --data10 bit 2 561 wait for baud_rate_period; 562 rx <= '0'; --data10 bit 3 563 wait for baud_rate_period; 564 rx <= '0'; --data10 bit 4 565 wait for baud_rate_period; 566 rx <= '0'; --data10 bit 5 567 wait for baud_rate_period; 568 rx <= '0'; --data10 bit 6 569 wait for baud_rate_period; 570 rx <= '0'; --data10 bit 7 571 wait for baud_rate_period; 572 rx <= '1'; --stop bit 573 wait for baud_rate_period; 574 rx <= '1'; --stop bit 575 wait for baud_rate_period; 576 --------------------------------------------------------------------------- 577 wait for 100ns; 578 rx <= '0'; --start bit 579 wait for baud_rate_period; 580 rx <= '0'; --data11 bit 0 581 wait for baud_rate_period; 582 rx <= '0'; --data11 bit 1 583 wait for baud_rate_period; 584 rx <= '0'; --data11 bit 2 585 wait for baud_rate_period; 586 rx <= '0'; --data11 bit 3 587 wait for baud_rate_period; 588 rx <= '0'; --data11 bit 4 589 wait for baud_rate_period; 590 rx <= '0'; --data11 bit 5 591 wait for baud_rate_period; 592 rx <= '0'; --data11 bit 6 593 wait for baud_rate_period; 594 rx <= '0'; --data11 bit 7 595 wait for baud_rate_period; 596 rx <= '1'; --stop bit 597 wait for baud_rate_period; 598 rx <= '1'; --stop bit 599 wait for baud_rate_period; 600 --------------------------------------------------------------------------- 601 wait for 100ns; 602 rx <= '0'; --start bit 603 wait for baud_rate_period; 604 rx <= '0'; --check sum bit 0 605 wait for baud_rate_period; 606 rx <= '0'; --check sum bit 1 607 wait for baud_rate_period; 608 rx <= '0'; --check sum bit 2 609 wait for baud_rate_period; 610 rx <= '0'; --check sum bit 3 611 wait for baud_rate_period; 612 rx <= '0'; --check sum bit 4 613 wait for baud_rate_period; 614 rx <= '0'; --check sum bit 5 615 wait for baud_rate_period; 616 rx <= '0'; --check sum bit 6 617 wait for baud_rate_period; 618 rx <= '0'; --check sum bit 7 619 wait for baud_rate_period; 620 rx <= '1'; --stop bit 621 wait for baud_rate_period; 622 rx <= '1'; --stop bit 623 wait for baud_rate_period; 294 assign_rs485("00010000"); --data byte 01 295 wait for 100ns; 296 assign_rs485("00000000"); --data byte 02 297 wait for 100ns; 298 assign_rs485("10111100"); --data byte 03 299 wait for 100ns; 300 assign_rs485("00000001"); --data byte 04 301 wait for 100ns; 302 assign_rs485("00000000"); --data byte 05 303 wait for 100ns; 304 assign_rs485("00000000"); --data byte 06 305 wait for 100ns; 306 assign_rs485("00000000"); --data byte 07 307 wait for 100ns; 308 assign_rs485("00000000"); --data byte 08 309 wait for 100ns; 310 assign_rs485("00000000"); --data byte 09 311 wait for 100ns; 312 assign_rs485("00000000"); --data byte 10 313 wait for 100ns; 314 assign_rs485("00000000"); --data byte 11 315 wait for 100ns; 316 assign_rs485("00000000"); --check sum 317 wait for 100ns; 318 --------------------------------------------------------------------------- 319 -- keep rx line high 624 320 --------------------------------------------------------------------------- 625 321 rx <= '1'; 626 322 wait; 627 323 628 end process stim_proc;324 end process rs485_proc; 629 325 630 326 end;
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