2 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
4 * This software may be freely used, copied, modified, and distributed
5 * provided that the above copyright notice is preserved in all copies of the
17 # define _POSIX_SOURCE 1
25 # define _TERMIOS_INCLUDED
26 # include <sys/termio.h>
27 # undef _TERMIOS_INCLUDED
36 #include <sys/types.h>
39 #if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (bsdi)
41 #include <sys/ioctl.h>
45 # include <sys/ioccom.h>
47 # include <sys/bpp_io.h>
49 # include <sbusdev/bpp_io.h>
55 # include <sys/ttydev.h>
58 # include <sys/ioctl.h>
60 # include <sys/filio.h>
65 # define _INCLUDE_HPUX_SOURCE
66 # include <sys/ioctl.h>
67 # undef _INCLUDE_HPUX_SOURCE
73 #define PP_TIMEOUT 1 /* seconds */
76 #define SERIAL_PREFIX "/dev/tty"
77 #define SERPORT1 "/dev/ttya"
78 #define SERPORT2 "/dev/ttyb"
79 #define PARPORT1 "/dev/bpp0"
80 #define PARPORT2 "/dev/bpp1"
84 #define SERIAL_PREFIX "/dev/tty"
85 #define SERPORT1 "/dev/tty00"
86 #define SERPORT2 "/dev/tty01"
87 #define PARPORT1 "/dev/ptr_parallel"
88 #define PARPORT2 "/dev/ptr_parallel"
92 #define SERIAL_PREFIX "/dev/ttyS"
93 #define SERPORT1 "/dev/ttyS0"
94 #define SERPORT2 "/dev/ttyS1"
95 #define PARPORT1 "/dev/par0"
96 #define PARPORT2 "/dev/par1"
99 #if defined(_WIN32) || defined (__CYGWIN__)
100 #define SERIAL_PREFIX "com"
101 #define SERPORT1 "com1"
102 #define SERPORT2 "com2"
103 #define PARPORT1 "lpt1"
104 #define PARPORT2 "lpt2"
107 #if !defined (SERIAL_PREFIX)
108 #define SERIAL_PREFIX "/dev/cuaa"
109 #define SERPORT1 "/dev/cuaa0"
110 #define SERPORT2 "/dev/cuaa1"
111 #define PARPORT1 "/dev/lpt0"
112 #define PARPORT2 "/dev/lpt1"
119 * Parallel port output pins, used for signalling to target
126 static int serpfd
= -1;
127 static int parpfd
= -1;
129 extern const char *Unix_MatchValidSerialDevice(const char *name
)
134 /* Accept no name as the default serial port */
139 /* Look for the simple cases - 1,2,s,S,/dev/... first, and
140 * afterwards look for S=... clauses, which need parsing properly.
143 /* Accept /dev/tty* where * is limited */
144 if (strlen(name
) == strlen(SERPORT1
)
145 && strncmp(name
, SERIAL_PREFIX
, strlen (SERIAL_PREFIX
)) == 0)
150 /* Accept "1" or "2" or "S" - S is equivalent to "1" */
151 if (strcmp(name
, "1") == 0 ||
152 strcmp(name
, "S") == 0 || strcmp(name
, "s") == 0) {
155 if (strcmp(name
, "2") == 0) return SERPORT2
;
157 /* It wasn't one of the simple cases, so now we have to parse it
164 /* Skip over commas */
170 /* Unexpected character => error - not matched */
173 /* End of string means return whatever we have matched */
180 char ch
= tolower(name
[i
]);
181 int j
, continue_from
, len
;
183 /* If the next character is a comma or a NULL then this is
184 * a request for the default Serial port
186 if (name
[++i
] == 0 || name
[i
] == ',') {
192 /* Next character must be an = */
193 if (name
[i
] != '=') return 0;
194 /* Search for the end of the port spec. (ends in NULL or ,) */
195 for (j
= ++i
; name
[j
] != 0 && name
[j
] != ','; j
++)
197 /* Notice whether this is the last thing to parse or not
198 * and also calaculate the length of the string
200 if (name
[j
] == '0') continue_from
= -1;
201 else continue_from
= j
;
204 /* And now try to match the serial / parallel port */
207 /* Match serial port */
211 else if (name
[i
]=='2')
213 } else if (len
==strlen(SERPORT1
)) {
214 if (strncmp(name
+i
,SERPORT1
,strlen(SERPORT1
)) == 0)
216 else if (strncmp(name
+i
,SERPORT2
,strlen(SERPORT2
)) == 0)
224 /* We don't actually deal with the H case here, we just
225 * match it and allow it through.
230 if (continue_from
== -1) return sername
;
241 extern int Unix_IsSerialInUse(void)
249 extern int Unix_OpenSerial(const char *name
)
251 #if defined(BSD) || defined(__CYGWIN__)
252 serpfd
= open(name
, O_RDWR
);
254 serpfd
= open(name
, O_RDWR
| O_NONBLOCK
);
262 if (ioctl(serpfd
, TIOCEXCL
) < 0) {
264 perror("ioctl: TIOCEXCL");
272 extern void Unix_CloseSerial(void)
281 extern int Unix_ReadSerial(unsigned char *buf
, int n
, bool block
)
288 FD_SET(serpfd
, &fdset
);
291 tv
.tv_usec
= (block
? 10000 : 0);
293 err
= select(serpfd
+ 1, &fdset
, NULL
, NULL
, &tv
);
295 if (err
< 0 && errno
!= EINTR
)
300 panic("select failure");
303 else if (err
> 0 && FD_ISSET(serpfd
, &fdset
))
307 s
= read(serpfd
, buf
, n
);
312 else /* err == 0 || FD_CLR(serpfd, &fdset) */
314 errno
= ERRNO_FOR_BLOCKED_IO
;
319 extern int Unix_WriteSerial(unsigned char *buf
, int n
)
321 return write(serpfd
, buf
, n
);
324 extern void Unix_ResetSerial(void)
326 struct termios terminfo
;
328 tcgetattr(serpfd
, &terminfo
);
329 terminfo
.c_lflag
&= ~(ICANON
| ISIG
| ECHO
| IEXTEN
);
330 terminfo
.c_iflag
&= ~(IGNCR
| INPCK
| ISTRIP
| ICRNL
| BRKINT
);
331 terminfo
.c_iflag
|= (IXON
| IXOFF
| IGNBRK
);
332 terminfo
.c_cflag
= (terminfo
.c_cflag
& ~CSIZE
) | CS8
| CREAD
;
333 terminfo
.c_cflag
&= ~PARENB
;
334 terminfo
.c_cc
[VMIN
] = 1;
335 terminfo
.c_cc
[VTIME
] = 0;
336 terminfo
.c_oflag
&= ~OPOST
;
337 tcsetattr(serpfd
, TCSAFLUSH
, &terminfo
);
340 extern void Unix_SetSerialBaudRate(int baudrate
)
342 struct termios terminfo
;
344 tcgetattr(serpfd
, &terminfo
);
345 cfsetospeed(&terminfo
, baudrate
);
346 cfsetispeed(&terminfo
, baudrate
);
347 tcsetattr(serpfd
, TCSAFLUSH
, &terminfo
);
350 extern void Unix_ioctlNonBlocking(void)
353 int nonblockingIO
= 1;
354 (void)ioctl(serpfd
, FIONBIO
, &nonblockingIO
);
357 (void)ioctl(parpfd
, FIONBIO
, &nonblockingIO
);
361 extern void Unix_IsValidParallelDevice(
362 const char *portstring
, char **sername
, char **parname
)
368 /* Do not recognise a NULL portstring */
369 if (portstring
==NULL
) return;
372 switch (portstring
[i
]) {
374 /* Skip over commas */
380 /* End of string or bad characcter means we have finished */
389 char ch
= tolower(portstring
[i
]);
390 int j
, continue_from
, len
;
392 /* If the next character is a comma or a NULL then this is
393 * a request for the default Serial or Parallel port
395 if (portstring
[++i
] == 0 || portstring
[i
] == ',') {
396 if (ch
=='s') *sername
=SERPORT1
;
397 else if (ch
=='p') *parname
=PARPORT1
;
401 /* Next character must be an = */
402 if (portstring
[i
] != '=') return;
403 /* Search for the end of the port spec. (ends in NULL or ,) */
404 for (j
= ++i
; portstring
[j
] != 0 && portstring
[j
] != ','; j
++)
406 /* Notice whether this is the last thing to parse or not
407 * and also calaculate the length of the string
409 if (portstring
[j
] == '0') continue_from
= -1;
410 else continue_from
= j
;
413 /* And now try to match the serial / parallel port */
416 /* Match serial port */
418 if (portstring
[i
]=='1') *sername
=SERPORT1
;
419 else if (portstring
[i
]=='2') *sername
=SERPORT2
;
420 } else if (len
==strlen(SERPORT1
)) {
421 if (strncmp(portstring
+i
,SERPORT1
,strlen(SERPORT1
)) == 0)
423 else if (strncmp(portstring
+i
,SERPORT2
,strlen(SERPORT2
)) == 0)
430 /* Match parallel port */
432 if (portstring
[i
]=='1') *parname
=PARPORT1
;
433 else if (portstring
[i
]=='2') *parname
=PARPORT2
;
434 } else if (len
==strlen(PARPORT1
)) {
435 if (strncmp(portstring
+i
,PARPORT1
,strlen(PARPORT1
)) == 0)
437 else if (strncmp(portstring
+i
,PARPORT2
,strlen(PARPORT2
)) == 0)
444 /* We don't actually deal with the H case here, we just
445 * match it and allow it through.
450 if (continue_from
== -1) return;
456 return; /* Will never get here */
459 extern int Unix_IsParallelInUse(void)
467 extern int Unix_OpenParallel(const char *name
)
470 parpfd
= open(name
, O_RDWR
);
472 parpfd
= open(name
, O_RDWR
| O_NONBLOCK
);
479 sprintf(errbuf
, "open %s", name
);
488 extern void Unix_CloseParallel(void)
498 extern unsigned int Unix_WriteParallel(unsigned char *buf
, int n
)
502 if ((ngone
= write(parpfd
, buf
, n
)) < 0)
505 * we ignore errors (except for debug purposes)
510 sprintf(errbuf
, "send_packet: write");
517 return (unsigned int)ngone
;
522 extern void Unix_ResetParallel(void)
524 struct bpp_transfer_parms tp
;
527 printf("serpar_reset\n");
531 * we need to set the parallel port up for BUSY handshaking,
532 * and select the timeout
534 if (ioctl(parpfd
, BPPIOC_GETPARMS
, &tp
) < 0)
537 perror("ioctl(BPPIOCGETPARMS)");
539 panic("serpar_reset: cannot get BPP parameters");
542 tp
.write_handshake
= BPP_BUSY_HS
;
543 tp
.write_timeout
= PP_TIMEOUT
;
545 if (ioctl(parpfd
, BPPIOC_SETPARMS
, &tp
) < 0)
548 perror("ioctl(BPPIOC_SETPARMS)");
550 panic("serpar_reset: cannot set BPP parameters");
556 /* Parallel not supported on HP */
558 extern void Unix_ResetParallel(void)
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