aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/ip2/i2cmd.h
blob: 29277ec6b8ed837056c888806fbc994dcf49f2e7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
/*******************************************************************************
*
*   (c) 1999 by Computone Corporation
*
********************************************************************************
*
*
*   PACKAGE:     Linux tty Device Driver for IntelliPort II family of multiport
*                serial I/O controllers.
*
*   DESCRIPTION: Definitions and support for In-line and Bypass commands.
*                Applicable only when the standard loadware is active.
*
*******************************************************************************/
//------------------------------------------------------------------------------
// Revision History:
//
// 10 October 1991   MAG First Draft
//  7 November 1991  MAG Reflects some new commands
// 20 February 1992  MAG CMD_HOTACK corrected: no argument.
// 24 February 1992  MAG Support added for new commands for 1.4.x loadware.
// 11 March 1992     MAG Additional commands.
// 16 March 1992     MAG Additional commands.
// 30 March 1992     MAG Additional command: CMD_DSS_NOW
// 18 May   1992     MAG Changed CMD_OPOST
//
//------------------------------------------------------------------------------
#ifndef I2CMD_H      // To prevent multiple includes
#define I2CMD_H   1

#include "ip2types.h"

// This module is designed to provide a uniform method of sending commands to
// the board through command packets. The difficulty is, some commands take
// parameters, others do not. Furthermore, it is often useful to send several
// commands to the same channel as part of the same packet. (See also i2pack.h.)
//
// This module is designed so that the caller should not be responsible for
// remembering the exact syntax of each command, or at least so that the
// compiler could check things somewhat. I'll explain as we go...
//
// First, a structure which can embody the syntax of each type of command.
//
typedef struct _cmdSyntax
{
	UCHAR length;   // Number of bytes in the command
	UCHAR flags;    // Information about the command (see below)

	// The command and its parameters, which may be of arbitrary length. Don't
	// worry yet how the parameters will be initialized; macros later take care
	// of it. Also, don't worry about the arbitrary length issue; this structure
	// is never used to allocate space (see i2cmd.c).
	UCHAR cmd[2];
} cmdSyntax, *cmdSyntaxPtr;

// Bit assignments for flags

#define INL 1           // Set if suitable for inline commands
#define BYP 2           // Set if suitable for bypass commands
#define BTH (INL|BYP)   // suitable for either!
#define END 4           // Set if this must be the last command in a block
#define VIP 8           // Set if this command is special in some way and really
						// should only be sent from the library-level and not
						// directly from user-level
#define VAR 0x10        // This command is of variable length!

// Declarations for the global arrays used to bear the commands and their
// arguments.
//
// Note: Since these are globals and the arguments might change, it is important
// that the library routine COPY these into buffers from whence they would be
// sent, rather than merely storing the pointers. In multi-threaded
// environments, important that the copy should obtain before any context switch
// is allowed. Also, for parameterized commands, DO NOT ISSUE THE SAME COMMAND
// MORE THAN ONCE WITH THE SAME PARAMETERS in the same call.
//
static UCHAR ct02[];
static UCHAR ct03[];
static UCHAR ct04[];
static UCHAR ct05[];
static UCHAR ct06[];
static UCHAR ct07[];
static UCHAR ct08[];
static UCHAR ct09[];
static UCHAR ct10[];
static UCHAR ct11[];
static UCHAR ct12[];
static UCHAR ct13[];
static UCHAR ct14[];
static UCHAR ct15[];
static UCHAR ct16[];
static UCHAR ct17[];
static UCHAR ct18[];
static UCHAR ct19[];
static UCHAR ct20[];
static UCHAR ct21[];
static UCHAR ct22[];
static UCHAR ct23[];
static UCHAR ct24[];
static UCHAR ct25[];
static UCHAR ct26[];
static UCHAR ct27[];
static UCHAR ct28[];
static UCHAR ct29[];
static UCHAR ct30[];
static UCHAR ct31[];
static UCHAR ct32[];
static UCHAR ct33[];
static UCHAR ct34[];
static UCHAR ct35[];
static UCHAR ct36[];
static UCHAR ct36a[];
static UCHAR ct41[];
static UCHAR ct42[];
static UCHAR ct43[];
static UCHAR ct44[];
static UCHAR ct45[];
static UCHAR ct46[];
static UCHAR ct48[];
static UCHAR ct49[];
static UCHAR ct50[];
static UCHAR ct51[];
static UCHAR ct52[];
static UCHAR ct56[];
static UCHAR ct57[];
static UCHAR ct58[];
static UCHAR ct59[];
static UCHAR ct60[];
static UCHAR ct61[];
static UCHAR ct62[];
static UCHAR ct63[];
static UCHAR ct64[];
static UCHAR ct65[];
static UCHAR ct66[];
static UCHAR ct67[];
static UCHAR ct68[];
static UCHAR ct69[];
static UCHAR ct70[];
static UCHAR ct71[];
static UCHAR ct72[];
static UCHAR ct73[];
static UCHAR ct74[];
static UCHAR ct75[];
static UCHAR ct76[];
static UCHAR ct77[];
static UCHAR ct78[];
static UCHAR ct79[];
static UCHAR ct80[];
static UCHAR ct81[];
static UCHAR ct82[];
static UCHAR ct83[];
static UCHAR ct84[];
static UCHAR ct85[];
static UCHAR ct86[];
static UCHAR ct87[];
static UCHAR ct88[];
static UCHAR ct89[];
static UCHAR ct90[];
static UCHAR ct91[];
static UCHAR cc01[];
static UCHAR cc02[];

// Now, refer to i2cmd.c, and see the character arrays defined there. They are
// cast here to cmdSyntaxPtr.
//
// There are library functions for issuing bypass or inline commands. These
// functions take one or more arguments of the type cmdSyntaxPtr. The routine
// then can figure out how long each command is supposed to be and easily add it
// to the list.
//
// For ease of use, we define manifests which return pointers to appropriate
// cmdSyntaxPtr things. But some commands also take arguments. If a single
// argument is used, we define a macro which performs the single assignment and
// (through the expedient of a comma expression) references the appropriate
// pointer. For commands requiring several arguments, we actually define a
// function to perform the assignments.

#define CMD_DTRUP	(cmdSyntaxPtr)(ct02)	// Raise DTR
#define CMD_DTRDN	(cmdSyntaxPtr)(ct03)	// Lower DTR
#define CMD_RTSUP	(cmdSyntaxPtr)(ct04)	// Raise RTS
#define CMD_RTSDN	(cmdSyntaxPtr)(ct05)	// Lower RTS
#define CMD_STARTFL	(cmdSyntaxPtr)(ct06)	// Start Flushing Data

#define CMD_DTRRTS_UP (cmdSyntaxPtr)(cc01)	// Raise DTR and RTS
#define CMD_DTRRTS_DN (cmdSyntaxPtr)(cc02)	// Lower DTR and RTS

// Set Baud Rate for transmit and receive
#define CMD_SETBAUD(arg) \
	(((cmdSyntaxPtr)(ct07))->cmd[1] = (arg),(cmdSyntaxPtr)(ct07))

#define CBR_50       1
#define CBR_75       2
#define CBR_110      3
#define CBR_134      4
#define CBR_150      5
#define CBR_200      6
#define CBR_300      7
#define CBR_600      8
#define CBR_1200     9
#define CBR_1800     10
#define CBR_2400     11
#define CBR_4800     12
#define CBR_9600     13
#define CBR_19200    14
#define CBR_38400    15
#define CBR_2000     16
#define CBR_3600     17
#define CBR_7200     18
#define CBR_56000    19
#define CBR_57600    20
#define CBR_64000    21
#define CBR_76800    22
#define CBR_115200   23
#define CBR_C1       24    // Custom baud rate 1
#define CBR_C2       25    // Custom baud rate 2
#define CBR_153600   26
#define CBR_230400   27
#define CBR_307200   28
#define CBR_460800   29
#define CBR_921600   30

// Set Character size
//
#define CMD_SETBITS(arg) \
	(((cmdSyntaxPtr)(ct08))->cmd[1] = (arg),(cmdSyntaxPtr)(ct08))

#define CSZ_5  0
#define CSZ_6  1
#define CSZ_7  2
#define CSZ_8  3

// Set number of stop bits
//
#define CMD_SETSTOP(arg) \
	(((cmdSyntaxPtr)(ct09))->cmd[1] = (arg),(cmdSyntaxPtr)(ct09))

#define CST_1  0
#define CST_15 1  // 1.5 stop bits
#define CST_2  2

// Set parity option
//
#define CMD_SETPAR(arg) \
	(((cmdSyntaxPtr)(ct10))->cmd[1] = (arg),(cmdSyntaxPtr)(ct10))

#define CSP_NP 0  // no parity
#define CSP_OD 1  // odd parity
#define CSP_EV 2  // Even parity
#define CSP_SP 3  // Space parity
#define CSP_MK 4  // Mark parity

// Define xon char for transmitter flow control
//
#define CMD_DEF_IXON(arg) \
	(((cmdSyntaxPtr)(ct11))->cmd[1] = (arg),(cmdSyntaxPtr)(ct11))

// Define xoff char for transmitter flow control
//
#define CMD_DEF_IXOFF(arg) \
	(((cmdSyntaxPtr)(ct12))->cmd[1] = (arg),(cmdSyntaxPtr)(ct12))

#define CMD_STOPFL   (cmdSyntaxPtr)(ct13) // Stop Flushing data

// Acknowledge receipt of hotkey signal
//
#define CMD_HOTACK   (cmdSyntaxPtr)(ct14)

// Define irq level to use. Should actually be sent by library-level code, not
// directly from user...
//
#define CMDVALUE_IRQ 15 // For library use at initialization. Until this command
						// is sent, board processing doesn't really start.
#define CMD_SET_IRQ(arg) \
	(((cmdSyntaxPtr)(ct15))->cmd[1] = (arg),(cmdSyntaxPtr)(ct15))

#define CIR_POLL  0  // No IRQ - Poll
#define CIR_3     3  // IRQ 3
#define CIR_4     4  // IRQ 4
#define CIR_5     5  // IRQ 5
#define CIR_7     7  // IRQ 7
#define CIR_10    10 // IRQ 10
#define CIR_11    11 // IRQ 11
#define CIR_12    12 // IRQ 12
#define CIR_15    15 // IRQ 15

// Select transmit flow xon/xoff options
//
#define CMD_IXON_OPT(arg) \
	(((cmdSyntaxPtr)(ct16))->cmd[1] = (arg),(cmdSyntaxPtr)(ct16))

#define CIX_NONE  0  // Incoming Xon/Xoff characters not special
#define CIX_XON   1  // Xoff disable, Xon enable
#define CIX_XANY  2  // Xoff disable, any key enable

// Select receive flow xon/xoff options
//
#define CMD_OXON_OPT(arg) \
	(((cmdSyntaxPtr)(ct17))->cmd[1] = (arg),(cmdSyntaxPtr)(ct17))

#define COX_NONE  0  // Don't send Xon/Xoff
#define COX_XON   1  // Send xon/xoff to start/stop incoming data


#define CMD_CTS_REP  (cmdSyntaxPtr)(ct18) // Enable  CTS reporting
#define CMD_CTS_NREP (cmdSyntaxPtr)(ct19) // Disable CTS reporting

#define CMD_DCD_REP  (cmdSyntaxPtr)(ct20) // Enable  DCD reporting
#define CMD_DCD_NREP (cmdSyntaxPtr)(ct21) // Disable DCD reporting

#define CMD_DSR_REP  (cmdSyntaxPtr)(ct22) // Enable  DSR reporting
#define CMD_DSR_NREP (cmdSyntaxPtr)(ct23) // Disable DSR reporting

#define CMD_RI_REP   (cmdSyntaxPtr)(ct24) // Enable  RI  reporting
#define CMD_RI_NREP  (cmdSyntaxPtr)(ct25) // Disable RI  reporting

// Enable break reporting and select style
//
#define CMD_BRK_REP(arg) \
	(((cmdSyntaxPtr)(ct26))->cmd[1] = (arg),(cmdSyntaxPtr)(ct26))

#define CBK_STAT     0x00  // Report breaks as a status (exception,irq)
#define CBK_NULL     0x01  // Report breaks as a good null
#define CBK_STAT_SEQ 0x02  // Report breaks as a status AND as in-band character
                           //  sequence FFh, 01h, 10h
#define CBK_SEQ      0x03  // Report breaks as the in-band 
						   //sequence FFh, 01h, 10h ONLY.
#define CBK_FLSH     0x04  // if this bit set also flush input data
#define CBK_POSIX    0x08  // if this bit set report as FF,0,0 sequence
#define CBK_SINGLE   0x10  // if this bit set with CBK_SEQ or CBK_STAT_SEQ
						   //then reports single null instead of triple

#define CMD_BRK_NREP (cmdSyntaxPtr)(ct27) // Disable break reporting

// Specify maximum block size for received data
//
#define CMD_MAX_BLOCK(arg) \
	(((cmdSyntaxPtr)(ct28))->cmd[1] = (arg),(cmdSyntaxPtr)(ct28))

// -- COMMAND 29 is reserved --

#define CMD_CTSFL_ENAB  (cmdSyntaxPtr)(ct30) // Enable  CTS flow control
#define CMD_CTSFL_DSAB  (cmdSyntaxPtr)(ct31) // Disable CTS flow control
#define CMD_RTSFL_ENAB  (cmdSyntaxPtr)(ct32) // Enable  RTS flow control
#define CMD_RTSFL_DSAB  (cmdSyntaxPtr)(ct33) // Disable RTS flow control

// Specify istrip option
//
#define CMD_ISTRIP_OPT(arg) \
	(((cmdSyntaxPtr)(ct34))->cmd[1] = (arg),(cmdSyntaxPtr)(ct34))

#define CIS_NOSTRIP  0  // Strip characters to character size
#define CIS_STRIP    1  // Strip any 8-bit characters to 7 bits

// Send a break of arg milliseconds
//
#define CMD_SEND_BRK(arg) \
	(((cmdSyntaxPtr)(ct35))->cmd[1] = (arg),(cmdSyntaxPtr)(ct35))

// Set error reporting mode
//
#define CMD_SET_ERROR(arg) \
	(((cmdSyntaxPtr)(ct36))->cmd[1] = (arg),(cmdSyntaxPtr)(ct36))

#define CSE_ESTAT 0  // Report error in a status packet
#define CSE_NOREP 1  // Treat character as though it were good
#define CSE_DROP  2  // Discard the character
#define CSE_NULL  3  // Replace with a null
#define CSE_MARK  4  // Replace with a 3-character sequence (as Unix)

#define CSE_REPLACE  0x8	// Replace the errored character with the
							// replacement character defined here

#define CSE_STAT_REPLACE   0x18	// Replace the errored character with the
								// replacement character defined here AND
								// report the error as a status packet (as in
								// CSE_ESTAT).


// COMMAND 37, to send flow control packets, is handled only by low-level
// library code in response to data movement and shouldn't ever be sent by the
// user code. See i2pack.h and the body of i2lib.c for details.

// Enable on-board post-processing, using options given in oflag argument.
// Formerly, this command was automatically preceded by a CMD_OPOST_OFF command
// because the loadware does not permit sending back-to-back CMD_OPOST_ON
// commands without an intervening CMD_OPOST_OFF. BUT, WE LEARN 18 MAY 92, that
// CMD_OPOST_ON and CMD_OPOST_OFF must each be at the end of a packet (or in a
// solo packet). This means the caller must specify separately CMD_OPOST_OFF,
// CMD_OPOST_ON(parm) when he calls i2QueueCommands(). That function will ensure
// each gets a separate packet. Extra CMD_OPOST_OFF's are always ok.
//
#define CMD_OPOST_ON(oflag)   \
	(*(USHORT *)(((cmdSyntaxPtr)(ct39))->cmd[1]) = (oflag), \
		(cmdSyntaxPtr)(ct39))

#define CMD_OPOST_OFF   (cmdSyntaxPtr)(ct40) // Disable on-board post-proc

#define CMD_RESUME   (cmdSyntaxPtr)(ct41)	// Resume: behave as though an XON
											// were received;

// Set Transmit baud rate (see command 7 for arguments)
//
#define CMD_SETBAUD_TX(arg) \
	(((cmdSyntaxPtr)(ct42))->cmd[1] = (arg),(cmdSyntaxPtr)(ct42))

// Set Receive baud rate (see command 7 for arguments)
//
#define CMD_SETBAUD_RX(arg) \
	(((cmdSyntaxPtr)(ct43))->cmd[1] = (arg),(cmdSyntaxPtr)(ct43))

// Request interrupt from board each arg milliseconds. Interrupt will specify
// "received data", even though there may be no data present. If arg == 0,
// disables any such interrupts.
//
#define CMD_PING_REQ(arg) \
	(((cmdSyntaxPtr)(ct44))->cmd[1] = (arg),(cmdSyntaxPtr)(ct44))

#define CMD_HOT_ENAB (cmdSyntaxPtr)(ct45) // Enable Hot-key checking
#define CMD_HOT_DSAB (cmdSyntaxPtr)(ct46) // Disable Hot-key checking

#if 0
// COMMAND 47: Send Protocol info via Unix flags:
// iflag = Unix tty t_iflag
// cflag = Unix tty t_cflag
// lflag = Unix tty t_lflag
// See System V Unix/Xenix documentation for the meanings of the bit fields
// within these flags
//
#define CMD_UNIX_FLAGS(iflag,cflag,lflag) i2cmdUnixFlags(iflag,cflag,lflag)
#endif  /*  0  */

#define CMD_DSRFL_ENAB  (cmdSyntaxPtr)(ct48) // Enable  DSR receiver ctrl
#define CMD_DSRFL_DSAB  (cmdSyntaxPtr)(ct49) // Disable DSR receiver ctrl
#define CMD_DTRFL_ENAB  (cmdSyntaxPtr)(ct50) // Enable  DTR flow control
#define CMD_DTRFL_DSAB  (cmdSyntaxPtr)(ct51) // Disable DTR flow control
#define CMD_BAUD_RESET  (cmdSyntaxPtr)(ct52) // Reset baudrate table

// COMMAND 54: Define custom rate #1
// rate = (short) 1/10 of the desired baud rate
//
#define CMD_BAUD_DEF1(rate) i2cmdBaudDef(1,rate)

// COMMAND 55: Define custom rate #2
// rate = (short) 1/10 of the desired baud rate
//
#define CMD_BAUD_DEF2(rate) i2cmdBaudDef(2,rate)

// Pause arg hundredths of seconds. (Note, this is NOT milliseconds.)
//
#define CMD_PAUSE(arg) \
	(((cmdSyntaxPtr)(ct56))->cmd[1] = (arg),(cmdSyntaxPtr)(ct56))

#define CMD_SUSPEND     (cmdSyntaxPtr)(ct57) // Suspend output
#define CMD_UNSUSPEND   (cmdSyntaxPtr)(ct58) // Un-Suspend output

// Set parity-checking options
//
#define CMD_PARCHK(arg) \
	(((cmdSyntaxPtr)(ct59))->cmd[1] = (arg),(cmdSyntaxPtr)(ct59))

#define CPK_ENAB  0     // Enable parity checking on input
#define CPK_DSAB  1     // Disable parity checking on input

#define CMD_BMARK_REQ   (cmdSyntaxPtr)(ct60) // Bookmark request


// Enable/Disable internal loopback mode
//
#define CMD_INLOOP(arg) \
	(((cmdSyntaxPtr)(ct61))->cmd[1] = (arg),(cmdSyntaxPtr)(ct61))

#define CIN_DISABLE  0  // Normal operation (default)
#define CIN_ENABLE   1  // Internal (local) loopback
#define CIN_REMOTE   2  // Remote loopback

// Specify timeout for hotkeys: Delay will be (arg x 10) milliseconds, arg == 0
// --> no timeout: wait forever.
//
#define CMD_HOT_TIME(arg) \
	(((cmdSyntaxPtr)(ct62))->cmd[1] = (arg),(cmdSyntaxPtr)(ct62))


// Define (outgoing) xon for receive flow control
//
#define CMD_DEF_OXON(arg) \
	(((cmdSyntaxPtr)(ct63))->cmd[1] = (arg),(cmdSyntaxPtr)(ct63))

// Define (outgoing) xoff for receiver flow control
//
#define CMD_DEF_OXOFF(arg) \
	(((cmdSyntaxPtr)(ct64))->cmd[1] = (arg),(cmdSyntaxPtr)(ct64))

// Enable/Disable RTS on transmit (1/2 duplex-style)
//
#define CMD_RTS_XMIT(arg) \
	(((cmdSyntaxPtr)(ct65))->cmd[1] = (arg),(cmdSyntaxPtr)(ct65))

#define CHD_DISABLE  0
#define CHD_ENABLE   1

// Set high-water-mark level (debugging use only)
//
#define CMD_SETHIGHWAT(arg) \
	(((cmdSyntaxPtr)(ct66))->cmd[1] = (arg),(cmdSyntaxPtr)(ct66))

// Start flushing tagged data (tag = 0-14)
//
#define CMD_START_SELFL(tag) \
	(((cmdSyntaxPtr)(ct67))->cmd[1] = (tag),(cmdSyntaxPtr)(ct67))

// End flushing tagged data (tag = 0-14)
//
#define CMD_END_SELFL(tag) \
	(((cmdSyntaxPtr)(ct68))->cmd[1] = (tag),(cmdSyntaxPtr)(ct68))

#define CMD_HWFLOW_OFF  (cmdSyntaxPtr)(ct69) // Disable HW TX flow control
#define CMD_ODSRFL_ENAB (cmdSyntaxPtr)(ct70) // Enable DSR output f/c
#define CMD_ODSRFL_DSAB (cmdSyntaxPtr)(ct71) // Disable DSR output f/c
#define CMD_ODCDFL_ENAB (cmdSyntaxPtr)(ct72) // Enable DCD output f/c
#define CMD_ODCDFL_DSAB (cmdSyntaxPtr)(ct73) // Disable DCD output f/c

// Set transmit interrupt load level. Count should be an even value 2-12
//
#define CMD_LOADLEVEL(count) \
	(((cmdSyntaxPtr)(ct74))->cmd[1] = (count),(cmdSyntaxPtr)(ct74))

// If reporting DSS changes, map to character sequence FFh, 2, MSR
//
#define CMD_STATDATA(arg) \
	(((cmdSyntaxPtr)(ct75))->cmd[1] = (arg),(cmdSyntaxPtr)(ct75))

#define CSTD_DISABLE// Report DSS changes as status packets only (default)
#define CSTD_ENABLE	// Report DSS changes as in-band data sequence as well as
					// by status packet.

#define CMD_BREAK_ON    (cmdSyntaxPtr)(ct76)// Set break and stop xmit
#define CMD_BREAK_OFF   (cmdSyntaxPtr)(ct77)// End break and restart xmit
#define CMD_GETFC       (cmdSyntaxPtr)(ct78)// Request for flow control packet
											// from board.

// Transmit this character immediately
//
#define CMD_XMIT_NOW(ch) \
	(((cmdSyntaxPtr)(ct79))->cmd[1] = (ch),(cmdSyntaxPtr)(ct79))

// Set baud rate via "divisor latch"
//
#define CMD_DIVISOR_LATCH(which,value) \
			(((cmdSyntaxPtr)(ct80))->cmd[1] = (which), \
			*(USHORT *)(((cmdSyntaxPtr)(ct80))->cmd[2]) = (value), \
			(cmdSyntaxPtr)(ct80))

#define CDL_RX 1	// Set receiver rate
#define CDL_TX 2	// Set transmit rate
					// (CDL_TX | CDL_RX) Set both rates

// Request for special diagnostic status pkt from the board.
//
#define CMD_GET_STATUS (cmdSyntaxPtr)(ct81)

// Request time-stamped transmit character count packet.
//
#define CMD_GET_TXCNT  (cmdSyntaxPtr)(ct82)

// Request time-stamped receive character count packet.
//
#define CMD_GET_RXCNT  (cmdSyntaxPtr)(ct83)

// Request for box/board I.D. packet.
#define CMD_GET_BOXIDS (cmdSyntaxPtr)(ct84)

// Enable or disable multiple channels according to bit-mapped ushorts box 1-4
//
#define CMD_ENAB_MULT(enable, box1, box2, box3, box4)    \
			(((cmdSytaxPtr)(ct85))->cmd[1] = (enable),            \
			*(USHORT *)(((cmdSyntaxPtr)(ct85))->cmd[2]) = (box1), \
			*(USHORT *)(((cmdSyntaxPtr)(ct85))->cmd[4]) = (box2), \
			*(USHORT *)(((cmdSyntaxPtr)(ct85))->cmd[6]) = (box3), \
			*(USHORT *)(((cmdSyntaxPtr)(ct85))->cmd[8]) = (box4), \
			(cmdSyntaxPtr)(ct85))

#define CEM_DISABLE  0
#define CEM_ENABLE   1

// Enable or disable receiver or receiver interrupts (default both enabled)
//
#define CMD_RCV_ENABLE(ch) \
	(((cmdSyntaxPtr)(ct86))->cmd[1] = (ch),(cmdSyntaxPtr)(ct86))

#define CRE_OFF      0  // Disable the receiver
#define CRE_ON       1  // Enable the receiver
#define CRE_INTOFF   2  // Disable receiver interrupts (to loadware)
#define CRE_INTON    3  // Enable receiver interrupts (to loadware)

// Starts up a hardware test process, which runs transparently, and sends a
// STAT_HWFAIL packet in case a hardware failure is detected.
//
#define CMD_HW_TEST  (cmdSyntaxPtr)(ct87)

// Change receiver threshold and timeout value:
// Defaults: timeout = 20mS
// threshold count = 8 when DTRflow not in use,
// threshold count = 5 when DTRflow in use.
//
#define CMD_RCV_THRESHOLD(count,ms) \
			(((cmdSyntaxPtr)(ct88))->cmd[1] = (count), \
			((cmdSyntaxPtr)(ct88))->cmd[2] = (ms), \
			(cmdSyntaxPtr)(ct88))

// Makes the loadware report DSS signals for this channel immediately.
//
#define CMD_DSS_NOW (cmdSyntaxPtr)(ct89)
	
// Set the receive silo parameters 
// 	timeout is ms idle wait until delivery       (~VTIME)
// 	threshold is max characters cause interrupt  (~VMIN)
//
#define CMD_SET_SILO(timeout,threshold) \
			(((cmdSyntaxPtr)(ct90))->cmd[1] = (timeout), \
			((cmdSyntaxPtr)(ct90))->cmd[2]  = (threshold), \
			(cmdSyntaxPtr)(ct90))

// Set timed break in decisecond (1/10s)
//
#define CMD_LBREAK(ds) \
	(((cmdSyntaxPtr)(ct91))->cmd[1] = (ds),(cmdSyntaxPtr)(ct66))



#endif // I2CMD_H