FreeCalypso > hg > freecalypso-sw
comparison gsm-fw/g23m-aci/uart/uart_rxp.c @ 775:eedbf248bac0
gsm-fw/g23m-aci subtree: initial import from LoCosto source
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 12 Oct 2014 01:45:14 +0000 |
parents | |
children | f54080301c98 |
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774:40a721fd9854 | 775:eedbf248bac0 |
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1 /* | |
2 +----------------------------------------------------------------------------- | |
3 | Project : | |
4 | Modul : | |
5 +----------------------------------------------------------------------------- | |
6 | Copyright 2002 Texas Instruments Berlin, AG | |
7 | All rights reserved. | |
8 | | |
9 | This file is confidential and a trade secret of Texas | |
10 | Instruments Berlin, AG | |
11 | The receipt of or possession of this file does not convey | |
12 | any rights to reproduce or disclose its contents or to | |
13 | manufacture, use, or sell anything it may describe, in | |
14 | whole, or in part, without the specific written consent of | |
15 | Texas Instruments Berlin, AG. | |
16 +----------------------------------------------------------------------------- | |
17 | Purpose : This modul is part of the entity UART and implements all | |
18 | functions to handles the incoming primitives as described in | |
19 | the SDL-documentation (RX-statemachine) | |
20 +----------------------------------------------------------------------------- | |
21 */ | |
22 | |
23 #ifndef UART_RXP_C | |
24 #define UART_RXP_C | |
25 #endif /* !UART_RXP_C */ | |
26 | |
27 #define ENTITY_UART | |
28 | |
29 #ifndef FF_MULTI_PORT | |
30 /*==== INCLUDES =============================================================*/ | |
31 | |
32 #ifdef WIN32 | |
33 #include "nucleus.h" | |
34 #endif /* WIN32 */ | |
35 #include "typedefs.h" /* to get Condat data types */ | |
36 #include "vsi.h" /* to get a lot of macros */ | |
37 #include "macdef.h" /* to get a lot of macros */ | |
38 #include "custom.h" | |
39 #include "gsm.h" /* to get a lot of macros */ | |
40 #include "cnf_uart.h" /* to get cnf-definitions */ | |
41 #include "mon_uart.h" /* to get mon-definitions */ | |
42 #include "prim.h" /* to get the definitions of used SAP and directions */ | |
43 #include "dti.h" /* to get dti lib */ | |
44 #include "pei.h" /* to get PEI interfac */ | |
45 #ifdef _TARGET_ | |
46 #include "uart/serialswitch.h" | |
47 #include "uart/traceswitch.h" | |
48 #else /* _TARGET_ */ | |
49 #include "serial_dat.h" /* to get definitions of serial driver */ | |
50 #endif /* _TARGET_ */ | |
51 #include "uart.h" /* to get the global entity definitions */ | |
52 | |
53 #include "uart_rxf.h" /* to get rx functions */ | |
54 | |
55 #include "uart_kers.h" /* to get ker signals */ | |
56 #include "uart_dtxs.h" /* to get dtx signals */ | |
57 | |
58 #ifdef _SIMULATION_ | |
59 #include <stdio.h> /* to get sprintf */ | |
60 #include "uart_rxp.h" /* to get rx_readdata */ | |
61 #endif /* _SIMULATION_ */ | |
62 /*==== CONST ================================================================*/ | |
63 | |
64 /*==== LOCAL VARS ===========================================================*/ | |
65 | |
66 /*==== PRIVATE FUNCTIONS ====================================================*/ | |
67 | |
68 /*==== PUBLIC FUNCTIONS =====================================================*/ | |
69 | |
70 | |
71 | |
72 /* | |
73 +------------------------------------------------------------------------------ | |
74 | Function : rx_uart_driver_received_ind | |
75 +------------------------------------------------------------------------------ | |
76 | Description : Handles the primitive UART_DRIVER_RECEIVED_IND | |
77 | | |
78 | Parameters : *uart_device - affected device database | |
79 | | |
80 +------------------------------------------------------------------------------ | |
81 */ | |
82 GLOBAL void rx_uart_driver_received_ind ( T_UART_DATA* uart_device ) | |
83 { | |
84 USHORT i; | |
85 BOOL continuous; | |
86 T_DLC* dlc; | |
87 T_desc2* temp_desc = NULL; | |
88 ULONG line_states; | |
89 | |
90 TRACE_EVENT( "rx_uart_driver_received_ind()" ); | |
91 | |
92 /* | |
93 * set affected instance | |
94 */ | |
95 uart_data = uart_device; | |
96 | |
97 /* | |
98 * inform about new line states | |
99 */ | |
100 if(uart_data->rx.lines NEQ uart_data->rx.prev_lines) | |
101 { | |
102 /* | |
103 * convert line states and send it | |
104 */ | |
105 line_states = 0; | |
106 if(uart_data->rx.lines & X_MASK) | |
107 { | |
108 line_states|= UART_X_RX_MASK; | |
109 if(!(uart_data->rx.prev_lines & X_MASK)) | |
110 { | |
111 TRACE_EVENT("RX Flow Control: stop"); | |
112 } | |
113 } | |
114 else if(uart_data->rx.prev_lines & X_MASK) | |
115 { | |
116 TRACE_EVENT("RX Flow Control: start"); | |
117 } | |
118 | |
119 if(uart_data->rx.lines & SA_MASK) | |
120 { | |
121 line_states|= UART_SA_RX_MASK; | |
122 if(!(uart_data->rx.prev_lines & SA_MASK)) | |
123 { | |
124 TRACE_EVENT("DTR: drop"); | |
125 } | |
126 } | |
127 else if(uart_data->rx.prev_lines & SA_MASK) | |
128 { | |
129 TRACE_EVENT("DTR: on"); | |
130 } | |
131 | |
132 if(uart_data->rx.lines & SB_MASK) | |
133 { | |
134 line_states|= UART_SB_RX_MASK; | |
135 if(!(uart_data->rx.prev_lines & SB_MASK)) | |
136 { | |
137 TRACE_EVENT("RTS: off"); | |
138 } | |
139 } | |
140 else if(uart_data->rx.prev_lines & SB_MASK) | |
141 { | |
142 TRACE_EVENT("RTS: on"); | |
143 } | |
144 | |
145 if(uart_data->rx.lines & ESC_MASK) | |
146 { | |
147 line_states|= UART_ESC_RX_MASK; | |
148 TRACE_EVENT("Escape Sequence detected"); | |
149 } | |
150 | |
151 if(uart_data->rx.lines & BRK_MASK) | |
152 { | |
153 line_states|= UART_BRK_RX_MASK; | |
154 line_states|= (((uart_data->rx.lines & BRK_LEN_MASK) | |
155 >> BRKLEN) << UART_BRKLEN_RX_POS); | |
156 TRACE_EVENT("Break detected"); | |
157 } | |
158 /* | |
159 * store new line states | |
160 */ | |
161 uart_data->rx.lines&= ~(ESC_MASK | | |
162 BRK_MASK | | |
163 BRK_LEN_MASK); | |
164 uart_data->rx.prev_lines = uart_data->rx.lines; | |
165 /* | |
166 * inform MMI | |
167 */ | |
168 sig_rx_ker_line_states_ind(line_states); | |
169 } | |
170 | |
171 switch( GET_STATE( UART_SERVICE_RX ) ) | |
172 { | |
173 case RX_READY: | |
174 dlc = &uart_data->dlc_table[UART_CONTROL_INSTANCE]; | |
175 if(uart_data->rx.dlc_instance NEQ UART_EMPTY_INSTANCE) | |
176 { | |
177 uart_data->rx.dlc_instance = UART_EMPTY_INSTANCE; | |
178 uart_data->rx.analyze_state = UART_RX_ERROR; | |
179 /* | |
180 * if ISR has read out some data | |
181 * inform all channels about data reception | |
182 */ | |
183 if(uart_data->rx.read_permission) | |
184 { | |
185 for(i = 0; i <= UART_MAX_NUMBER_OF_CHANNELS; i++) | |
186 { | |
187 switch(uart_data->dlc_table[i].receive_process) | |
188 { | |
189 case UART_RX_PROCESS_READY: | |
190 case UART_RX_PROCESS_COMPLETE: | |
191 /* | |
192 * inform all channels about data reception | |
193 */ | |
194 uart_data->dlc_table[i].receive_process = UART_RX_PROCESS_STOP; | |
195 temp_desc = uart_data->dlc_table[i].receive_data; | |
196 uart_data->dlc_table[i].receive_data = NULL; | |
197 if(i EQ UART_CONTROL_INSTANCE) | |
198 { | |
199 /* | |
200 * Control channel | |
201 */ | |
202 sig_rx_ker_data_received_ind( | |
203 temp_desc, | |
204 uart_data->dlc_table[i].receive_pos); | |
205 } | |
206 else | |
207 { | |
208 /* | |
209 * Data channel | |
210 */ | |
211 uart_data->dtx = uart_data->dlc_table[i].dtx; | |
212 sig_rx_dtx_data_received_ind( | |
213 temp_desc, | |
214 uart_data->dlc_table[i].receive_pos); | |
215 } | |
216 /* fall through */ | |
217 case UART_RX_PROCESS_STOP: | |
218 /* | |
219 * add new channels which want to receive | |
220 */ | |
221 if(uart_data->dlc_table[i].receive_data) | |
222 uart_data->dlc_table[i].receive_process = UART_RX_PROCESS_READY; | |
223 break; | |
224 | |
225 default: | |
226 TRACE_EVENT_P2("Unexpected DLC process state: %d | uart_rxp.c(%d)", | |
227 dlc->receive_process, __LINE__); | |
228 break; | |
229 } | |
230 } | |
231 } | |
232 } | |
233 else | |
234 { | |
235 switch(dlc->receive_process) | |
236 { | |
237 case UART_RX_PROCESS_READY: | |
238 case UART_RX_PROCESS_COMPLETE: | |
239 /* | |
240 * if ISR has read out some data | |
241 * inform channel about data reception | |
242 */ | |
243 if(uart_data->rx.read_permission) | |
244 { | |
245 /* | |
246 * inform channel about data reception | |
247 */ | |
248 dlc->receive_process = UART_RX_PROCESS_STOP; | |
249 temp_desc = dlc->receive_data; | |
250 dlc->receive_data = NULL; | |
251 uart_data->dtx = dlc->dtx; | |
252 sig_rx_dtx_data_received_ind(temp_desc, dlc->receive_pos); | |
253 } | |
254 /* fall through */ | |
255 case UART_RX_PROCESS_STOP: | |
256 /* | |
257 * add new channel which want to receive | |
258 */ | |
259 if(dlc->receive_data) | |
260 dlc->receive_process = UART_RX_PROCESS_READY; | |
261 break; | |
262 | |
263 default: | |
264 TRACE_EVENT_P2("Unexpected DLC process state: %d | uart_rxp.c(%d)", | |
265 dlc->receive_process, __LINE__); | |
266 break; | |
267 } | |
268 } | |
269 if(dlc->receive_process EQ UART_RX_PROCESS_STOP) | |
270 { | |
271 uart_data->rx.receive_state = UART_RX_NOT_RECEIVING; | |
272 break; | |
273 } | |
274 | |
275 #ifdef _SIMULATION_ | |
276 if(rx_inpavail(uart_data->device) > 0) | |
277 #else /* _SIMULATION_ */ | |
278 if(UF_InpAvail (uart_data->device) > 0) | |
279 #endif /* _SIMULATION_ */ | |
280 { | |
281 /* | |
282 * inform channel about reading | |
283 */ | |
284 uart_data->rx.read_permission = TRUE; | |
285 uart_data->dtx = dlc->dtx; | |
286 sig_rx_dtx_receiving_ind(); | |
287 } | |
288 else | |
289 uart_data->rx.read_permission = FALSE; | |
290 | |
291 if(uart_data EQ (&(uart_data_base[0]))) | |
292 { | |
293 TRACE_EVENT("UF_ReadData()"); | |
294 #ifdef _SIMULATION_ | |
295 rx_readdata(0); | |
296 #else /* _SIMULATION_ */ | |
297 UF_ReadData (uart_data->device, sm_suspend, rx_readOutFunc_0); | |
298 #endif /* else _SIMULATION_ */ | |
299 } | |
300 #ifdef FF_TWO_UART_PORTS | |
301 else if(uart_data EQ (&(uart_data_base[1]))) | |
302 { | |
303 TRACE_EVENT("UF_ReadData()"); | |
304 #ifdef _SIMULATION_ | |
305 rx_readdata(1); | |
306 #else /* _SIMULATION_ */ | |
307 UF_ReadData (uart_data->device, sm_suspend, rx_readOutFunc_1); | |
308 #endif /* else _SIMULATION_ */ | |
309 } | |
310 #endif /* FF_TWO_UART_PORTS */ | |
311 else | |
312 { | |
313 TRACE_ERROR("wrong value of uart_data"); | |
314 } | |
315 break; | |
316 | |
317 case RX_MUX: | |
318 if(uart_data->rx.dlc_instance EQ UART_EMPTY_INSTANCE) | |
319 { | |
320 uart_data->rx.dlc_instance = UART_CONTROL_INSTANCE; | |
321 uart_data->rx.analyze_state = UART_RX_ERROR; | |
322 } | |
323 continuous = FALSE; | |
324 for(i = 0; i <= UART_MAX_NUMBER_OF_CHANNELS; i++) | |
325 { | |
326 dlc = &uart_data->dlc_table[i]; | |
327 switch(dlc->receive_process) | |
328 { | |
329 case UART_RX_PROCESS_READY: | |
330 case UART_RX_PROCESS_COMPLETE: | |
331 /* | |
332 * if ISR has read out some data | |
333 * inform all channels about data reception | |
334 */ | |
335 if(uart_data->rx.read_permission) | |
336 { | |
337 dlc->receive_process = UART_RX_PROCESS_STOP; | |
338 temp_desc = dlc->receive_data; | |
339 dlc->receive_data = NULL; | |
340 if(i EQ UART_CONTROL_INSTANCE) | |
341 { | |
342 /* | |
343 * Control channel | |
344 */ | |
345 sig_rx_ker_data_received_ind(temp_desc, dlc->receive_pos); | |
346 } | |
347 else | |
348 { | |
349 /* | |
350 * Data channel | |
351 */ | |
352 uart_data->dtx = dlc->dtx; | |
353 sig_rx_dtx_data_received_ind(temp_desc, dlc->receive_pos); | |
354 } | |
355 } | |
356 /* fall through */ | |
357 case UART_RX_PROCESS_STOP: | |
358 /* | |
359 * add new channels which want to receive | |
360 */ | |
361 if(dlc->receive_data) | |
362 dlc->receive_process = UART_RX_PROCESS_READY; | |
363 break; | |
364 | |
365 default: | |
366 TRACE_EVENT_P2("Unexpected DLC process state: %d, uart_rxp.c(%d)", | |
367 dlc->receive_process, __LINE__); | |
368 break; | |
369 } | |
370 if(dlc->receive_process NEQ UART_RX_PROCESS_STOP) | |
371 continuous = TRUE; | |
372 } | |
373 /* | |
374 * check whether there is a channel to receive | |
375 */ | |
376 if(continuous NEQ TRUE) | |
377 { | |
378 uart_data->rx.receive_state = UART_RX_NOT_RECEIVING; | |
379 break; | |
380 } | |
381 #ifdef _SIMULATION_ | |
382 if(rx_inpavail(uart_data->device) > 0) | |
383 #else /* _SIMULATION_ */ | |
384 if(UF_InpAvail (uart_data->device) > 0) | |
385 #endif /* _SIMULATION_ */ | |
386 { | |
387 /* | |
388 * inform each channel about reading | |
389 */ | |
390 uart_data->rx.read_permission = TRUE; | |
391 for(i = 0; i <= UART_MAX_NUMBER_OF_CHANNELS; i++) | |
392 { | |
393 if(uart_data->dlc_table[i].receive_process EQ UART_RX_PROCESS_READY) | |
394 { | |
395 if(i EQ UART_CONTROL_INSTANCE) | |
396 { | |
397 /* | |
398 * Control channel | |
399 */ | |
400 sig_rx_ker_receiving_ind(); | |
401 } | |
402 else | |
403 { | |
404 /* | |
405 * Data channel | |
406 */ | |
407 uart_data->dtx = uart_data->dlc_table[i].dtx; | |
408 sig_rx_dtx_receiving_ind(); | |
409 } | |
410 } | |
411 } | |
412 } | |
413 else | |
414 uart_data->rx.read_permission = FALSE; | |
415 | |
416 if(uart_data EQ (&(uart_data_base[0]))) | |
417 { | |
418 TRACE_EVENT("UF_ReadData()"); | |
419 #ifdef _SIMULATION_ | |
420 rx_readdata(0); | |
421 #else /* _SIMULATION_ */ | |
422 UF_ReadData (uart_data->device, sm_suspend, rx_readOutFunc_0); | |
423 #endif /* else _SIMULATION_ */ | |
424 } | |
425 #ifdef FF_TWO_UART_PORTS | |
426 else if(uart_data EQ (&(uart_data_base[1]))) | |
427 { | |
428 TRACE_EVENT("UF_ReadData()"); | |
429 #ifdef _SIMULATION_ | |
430 rx_readdata(1); | |
431 #else /* _SIMULATION_ */ | |
432 UF_ReadData (uart_data->device, sm_suspend, rx_readOutFunc_1); | |
433 #endif /* else _SIMULATION_ */ | |
434 } | |
435 #endif /* FF_TWO_UART_PORTS */ | |
436 else | |
437 { | |
438 TRACE_ERROR("wrong value of uart_data"); | |
439 } | |
440 break; | |
441 | |
442 default: | |
443 TRACE_ERROR( "UART_DRIVER_RECEIVED_IND unexpected" ); | |
444 break; | |
445 } | |
446 } /* rx_uart_driver_received_ind() */ | |
447 | |
448 | |
449 | |
450 #ifdef _SIMULATION_ | |
451 /* | |
452 +------------------------------------------------------------------------------ | |
453 | Function : rx_dti_data_test_ind | |
454 +------------------------------------------------------------------------------ | |
455 | Description : Handles the primitive DTI_DATA_TEST_IND | |
456 | | |
457 | Parameters : *dti_data_test_ind - Ptr to primitive payload | |
458 | | |
459 +------------------------------------------------------------------------------ | |
460 */ | |
461 GLOBAL void rx_dti_data_test_ind ( T_DTI2_DATA_TEST_IND *dti_data_test_ind ) | |
462 { | |
463 char buf[100]; | |
464 T_reInstMode reInstall; | |
465 USHORT size[2]; | |
466 USHORT pos; | |
467 USHORT i; | |
468 T_UART_DATA* uart_device; | |
469 | |
470 TRACE_FUNCTION( "rx_dti_data_test_ind" ); | |
471 | |
472 /* | |
473 * set UART instance | |
474 */ | |
475 uart_device = &(uart_data_base[UART_TEST_C_ID_1]); | |
476 /* | |
477 * copy data to simulation buffer | |
478 */ | |
479 MFREE_DESC2(uart_device->rx.sim_buffer); | |
480 MALLOC(uart_device->rx.sim_buffer, (USHORT)(sizeof(T_desc2) - 1 + | |
481 (dti_data_test_ind->sdu.l_buf >> 3))); | |
482 memcpy(uart_device->rx.sim_buffer->buffer, | |
483 &dti_data_test_ind->sdu.buf[dti_data_test_ind->sdu.o_buf >> 3], | |
484 dti_data_test_ind->sdu.l_buf >> 3); | |
485 uart_device->rx.sim_buffer->len = dti_data_test_ind->sdu.l_buf >> 3; | |
486 uart_device->rx.sim_buffer->next = (ULONG)NULL; | |
487 uart_device->rx.sim_pos = 0; | |
488 /* | |
489 * trace output | |
490 */ | |
491 sprintf(buf, "UART device %d:", dti_data_test_ind->link_id); | |
492 TRACE_FUNCTION( buf ); | |
493 i = 0; | |
494 pos = uart_device->rx.sim_pos; | |
495 while(pos < uart_device->rx.sim_buffer->len) | |
496 { | |
497 i+= sprintf(&buf[i], "0x%02x, ", uart_device->rx.sim_buffer->buffer[pos]); | |
498 pos++; | |
499 if(i > 80) | |
500 { | |
501 TRACE_FUNCTION( buf ); | |
502 i = 0; | |
503 } | |
504 else if(pos >= uart_device->rx.sim_buffer->len) | |
505 { | |
506 TRACE_FUNCTION( buf ); | |
507 } | |
508 } | |
509 /* | |
510 * set values for ISR | |
511 */ | |
512 uart_device->rx.source[0] = &uart_device->rx.sim_buffer->buffer[ | |
513 uart_device->rx.sim_pos]; | |
514 uart_device->rx.source[1] = NULL; | |
515 size[0] = uart_device->rx.sim_buffer->len - | |
516 uart_device->rx.sim_pos; | |
517 size[1] = 0; | |
518 | |
519 /* | |
520 * call actual function | |
521 */ | |
522 rx_readOutFunc_0 (FALSE, &reInstall, 1, uart_device->rx.source, size, 0); | |
523 | |
524 /* | |
525 * store return values | |
526 */ | |
527 if(size[0] EQ 0) | |
528 { | |
529 MFREE_DESC2(uart_device->rx.sim_buffer); | |
530 uart_device->rx.sim_buffer = NULL; | |
531 } | |
532 else | |
533 uart_device->rx.sim_pos = uart_device->rx.sim_buffer->len - size[0]; | |
534 | |
535 /* | |
536 * free the primitive | |
537 */ | |
538 PFREE(dti_data_test_ind); | |
539 } /* rx_dti_data_test_ind() */ | |
540 | |
541 | |
542 | |
543 /* | |
544 +------------------------------------------------------------------------------ | |
545 | Function : rx_readdata | |
546 +------------------------------------------------------------------------------ | |
547 | Description : Simulates a UF_ReadData() call. | |
548 | | |
549 | Parameters : caller - calling UART instance | |
550 | | |
551 +------------------------------------------------------------------------------ | |
552 */ | |
553 GLOBAL void rx_readdata (UBYTE caller) | |
554 { | |
555 T_reInstMode reInstall; | |
556 USHORT size[2]; | |
557 T_UART_DATA* uart_device; | |
558 | |
559 TRACE_FUNCTION( "rx_readdata" ); | |
560 | |
561 /* | |
562 * set UART instance | |
563 */ | |
564 uart_device = &(uart_data_base[caller]); | |
565 | |
566 if(uart_device->rx.sim_buffer EQ NULL) | |
567 { | |
568 /* | |
569 * send DTI_GETDATA_REQ | |
570 */ | |
571 PALLOC (dti_getdata_req, DTI2_GETDATA_REQ); | |
572 dti_getdata_req->link_id = LINK_READDATA_PORT_1; /* for usual read_data */ | |
573 PSEND (hCommMMI, dti_getdata_req); | |
574 } | |
575 else | |
576 { | |
577 /* | |
578 * set values for ISR | |
579 */ | |
580 uart_device->rx.source[0] = NULL; | |
581 uart_device->rx.source[1] = &uart_device->rx.sim_buffer->buffer[ | |
582 uart_device->rx.sim_pos]; | |
583 size[0] = 0; | |
584 size[1] = uart_device->rx.sim_buffer->len - | |
585 uart_device->rx.sim_pos; | |
586 | |
587 /* | |
588 * call actual function | |
589 */ | |
590 if(caller EQ 0) | |
591 { | |
592 rx_readOutFunc_0 (FALSE, &reInstall, 2, uart_device->rx.source, size, 0); | |
593 } | |
594 #ifdef FF_TWO_UART_PORTS | |
595 else if(caller EQ 1) | |
596 { | |
597 rx_readOutFunc_1 (FALSE, &reInstall, 2, uart_device->rx.source, size, 0); | |
598 } | |
599 #endif /* FF_TWO_UART_PORTS */ | |
600 else | |
601 { | |
602 TRACE_ERROR("wrong caller value"); | |
603 } | |
604 | |
605 /* | |
606 * store return values | |
607 */ | |
608 if(size[1] EQ 0) | |
609 { | |
610 MFREE_DESC2(uart_device->rx.sim_buffer); | |
611 uart_device->rx.sim_buffer = NULL; | |
612 } | |
613 else | |
614 uart_device->rx.sim_pos = uart_device->rx.sim_buffer->len - size[1]; | |
615 } | |
616 } /* rx_readdata() */ | |
617 | |
618 | |
619 | |
620 /* | |
621 +------------------------------------------------------------------------------ | |
622 | Function : rx_inpavail | |
623 +------------------------------------------------------------------------------ | |
624 | Description : Simulates a UF_InpAvail() call. | |
625 | | |
626 | Parameters : caller - calling UART instance | |
627 | | |
628 | Return : number of octets in Input Queue | |
629 | | |
630 +------------------------------------------------------------------------------ | |
631 */ | |
632 GLOBAL USHORT rx_inpavail (UBYTE caller) | |
633 { | |
634 T_UART_DATA* uart_device; | |
635 | |
636 TRACE_FUNCTION( "rx_inpavail" ); | |
637 | |
638 /* | |
639 * set UART instance | |
640 */ | |
641 uart_device = &(uart_data_base[caller]); | |
642 | |
643 if(uart_device->rx.sim_buffer) | |
644 return uart_device->rx.sim_buffer->len - uart_device->rx.sim_pos; | |
645 else | |
646 return 0; | |
647 } /* rx_inpavail() */ | |
648 #endif /* _SIMULATION_ */ | |
649 #endif /* !FF_MULTI_PORT */ |