| 1 |
/*
|
| 2 |
* serial_windows.cpp - Serial device driver for Win32
|
| 3 |
*
|
| 4 |
* Basilisk II (C) 1997-2008 Christian Bauer
|
| 5 |
*
|
| 6 |
* Windows platform specific code copyright (C) Lauri Pesonen
|
| 7 |
*
|
| 8 |
* This program is free software; you can redistribute it and/or modify
|
| 9 |
* it under the terms of the GNU General Public License as published by
|
| 10 |
* the Free Software Foundation; either version 2 of the License, or
|
| 11 |
* (at your option) any later version.
|
| 12 |
*
|
| 13 |
* This program is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
* GNU General Public License for more details.
|
| 17 |
*
|
| 18 |
* You should have received a copy of the GNU General Public License
|
| 19 |
* along with this program; if not, write to the Free Software
|
| 20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 21 |
*/
|
| 22 |
|
| 23 |
// TODO: serial i/o threads should have high priority.
|
| 24 |
#include "sysdeps.h"
|
| 25 |
|
| 26 |
#include <ctype.h>
|
| 27 |
#include <process.h>
|
| 28 |
|
| 29 |
#include "main.h"
|
| 30 |
#include "macos_util.h"
|
| 31 |
#include "prefs.h"
|
| 32 |
#include "serial.h"
|
| 33 |
#include "serial_defs.h"
|
| 34 |
#include "cpu_emulation.h"
|
| 35 |
|
| 36 |
// This must be always on.
|
| 37 |
#define DEBUG 1
|
| 38 |
#undef OutputDebugString
|
| 39 |
#define OutputDebugString serial_log_write
|
| 40 |
static void serial_log_write( char *s );
|
| 41 |
#define SERIAL_LOG_FILE_NAME "serial.log"
|
| 42 |
#include "debug.h"
|
| 43 |
#undef D
|
| 44 |
#define D(x) if(debug_serial != DB_SERIAL_NONE) (x);
|
| 45 |
|
| 46 |
|
| 47 |
enum {
|
| 48 |
DB_SERIAL_NONE=0,
|
| 49 |
DB_SERIAL_NORMAL,
|
| 50 |
DB_SERIAL_LOUD
|
| 51 |
};
|
| 52 |
|
| 53 |
static int16 debug_serial = DB_SERIAL_NONE;
|
| 54 |
|
| 55 |
static HANDLE serial_log_file = INVALID_HANDLE_VALUE;
|
| 56 |
|
| 57 |
static void serial_log_open( char *path )
|
| 58 |
{
|
| 59 |
if(debug_serial == DB_SERIAL_NONE) return;
|
| 60 |
|
| 61 |
DeleteFile( path );
|
| 62 |
serial_log_file = CreateFile(
|
| 63 |
path,
|
| 64 |
GENERIC_READ|GENERIC_WRITE,
|
| 65 |
FILE_SHARE_READ,
|
| 66 |
NULL,
|
| 67 |
CREATE_ALWAYS,
|
| 68 |
FILE_FLAG_WRITE_THROUGH,
|
| 69 |
NULL
|
| 70 |
);
|
| 71 |
if( serial_log_file == INVALID_HANDLE_VALUE ) {
|
| 72 |
ErrorAlert( "Could not create the serial log file." );
|
| 73 |
}
|
| 74 |
}
|
| 75 |
|
| 76 |
static void serial_log_close( void )
|
| 77 |
{
|
| 78 |
if(debug_serial == DB_SERIAL_NONE) return;
|
| 79 |
|
| 80 |
if( serial_log_file != INVALID_HANDLE_VALUE ) {
|
| 81 |
CloseHandle( serial_log_file );
|
| 82 |
serial_log_file = INVALID_HANDLE_VALUE;
|
| 83 |
}
|
| 84 |
}
|
| 85 |
|
| 86 |
static void serial_log_write( char *s )
|
| 87 |
{
|
| 88 |
DWORD bytes_written;
|
| 89 |
|
| 90 |
// should have been checked already.
|
| 91 |
if(debug_serial == DB_SERIAL_NONE) return;
|
| 92 |
|
| 93 |
if( serial_log_file != INVALID_HANDLE_VALUE ) {
|
| 94 |
|
| 95 |
DWORD count = strlen(s);
|
| 96 |
if (0 == WriteFile(serial_log_file, s, count, &bytes_written, NULL) ||
|
| 97 |
(int)bytes_written != count)
|
| 98 |
{
|
| 99 |
serial_log_close();
|
| 100 |
ErrorAlert( "serial log file write error (out of disk space?). Log closed." );
|
| 101 |
} else {
|
| 102 |
FlushFileBuffers( serial_log_file );
|
| 103 |
}
|
| 104 |
}
|
| 105 |
}
|
| 106 |
|
| 107 |
|
| 108 |
// Driver private variables
|
| 109 |
class XSERDPort : public SERDPort {
|
| 110 |
public:
|
| 111 |
XSERDPort(const char *dev, const char *suffix)
|
| 112 |
{
|
| 113 |
D(bug("XSERDPort constructor %s\r\n", dev));
|
| 114 |
// device_name = (char *)dev;
|
| 115 |
|
| 116 |
read_pending = write_pending = false;
|
| 117 |
|
| 118 |
if(dev)
|
| 119 |
strcpy( device_name, (char *)dev );
|
| 120 |
else
|
| 121 |
*device_name = 0;
|
| 122 |
strupr(device_name);
|
| 123 |
is_parallel = (strncmp(device_name,"LPT",3) == 0);
|
| 124 |
is_file = (strncmp(device_name,"FILE",4) == 0);
|
| 125 |
if(is_file) {
|
| 126 |
char entry_name[20];
|
| 127 |
wsprintf( entry_name, "portfile%s", suffix );
|
| 128 |
const char *path = PrefsFindString(entry_name);
|
| 129 |
if(path) {
|
| 130 |
strcpy( output_file_name, path );
|
| 131 |
} else {
|
| 132 |
strcpy( output_file_name, "C:\\B2TEMP.OUT" );
|
| 133 |
}
|
| 134 |
}
|
| 135 |
|
| 136 |
is_serial = !is_parallel && !is_file;
|
| 137 |
|
| 138 |
fd = INVALID_HANDLE_VALUE;
|
| 139 |
input_thread_active = output_thread_active = NULL;
|
| 140 |
}
|
| 141 |
|
| 142 |
virtual ~XSERDPort()
|
| 143 |
{
|
| 144 |
D(bug("XSERDPort destructor \r\n"));
|
| 145 |
if (input_thread_active) {
|
| 146 |
D(bug("WARNING: brute TerminateThread(input)\r\n"));
|
| 147 |
TerminateThread(input_thread_active,0);
|
| 148 |
CloseHandle(input_signal);
|
| 149 |
input_thread_active = NULL;
|
| 150 |
}
|
| 151 |
if (output_thread_active) {
|
| 152 |
D(bug("WARNING: brute TerminateThread(output)\r\n"));
|
| 153 |
TerminateThread(output_thread_active,0);
|
| 154 |
CloseHandle(output_signal);
|
| 155 |
output_thread_active = NULL;
|
| 156 |
}
|
| 157 |
}
|
| 158 |
|
| 159 |
virtual int16 open(uint16 config);
|
| 160 |
virtual int16 prime_in(uint32 pb, uint32 dce);
|
| 161 |
virtual int16 prime_out(uint32 pb, uint32 dce);
|
| 162 |
virtual int16 control(uint32 pb, uint32 dce, uint16 code);
|
| 163 |
virtual int16 status(uint32 pb, uint32 dce, uint16 code);
|
| 164 |
virtual int16 close(void);
|
| 165 |
|
| 166 |
private:
|
| 167 |
bool configure(uint16 config);
|
| 168 |
void set_handshake(uint32 s, bool with_dtr);
|
| 169 |
static WINAPI unsigned int input_func(void *arg);
|
| 170 |
static WINAPI unsigned int output_func(void *arg);
|
| 171 |
static int acknowledge_error(HANDLE h, bool is_read);
|
| 172 |
bool set_timeouts(int bauds, int parity_bits, int stop_bits);
|
| 173 |
|
| 174 |
char device_name[256];
|
| 175 |
HANDLE fd;
|
| 176 |
|
| 177 |
bool io_killed; // Flag: KillIO called, I/O threads must not call deferred tasks
|
| 178 |
bool quitting; // Flag: Quit threads
|
| 179 |
|
| 180 |
HANDLE input_thread_active; // Handle: Input thread installed (was a bool)
|
| 181 |
unsigned int input_thread_id;
|
| 182 |
HANDLE input_signal; // Signal for input thread: execute command
|
| 183 |
uint32 input_pb, input_dce; // Command parameters for input thread
|
| 184 |
|
| 185 |
HANDLE output_thread_active; // Handle: Output thread installed (was a bool)
|
| 186 |
unsigned int output_thread_id;
|
| 187 |
HANDLE output_signal; // Signal for output thread: execute command
|
| 188 |
uint32 output_pb, output_dce; // Command parameters for output thread
|
| 189 |
|
| 190 |
DCB mode; // Terminal configuration
|
| 191 |
|
| 192 |
bool is_serial;
|
| 193 |
bool is_parallel; // true if LPTx
|
| 194 |
|
| 195 |
bool is_file; // true if FILE
|
| 196 |
char output_file_name[256];
|
| 197 |
};
|
| 198 |
|
| 199 |
/*
|
| 200 |
* Initialization
|
| 201 |
*/
|
| 202 |
|
| 203 |
void SerialInit(void)
|
| 204 |
{
|
| 205 |
const char *port;
|
| 206 |
|
| 207 |
debug_serial = PrefsFindInt32("debugserial");
|
| 208 |
|
| 209 |
serial_log_open( SERIAL_LOG_FILE_NAME );
|
| 210 |
|
| 211 |
// Read serial preferences and create structs for both ports
|
| 212 |
|
| 213 |
port = PrefsFindString("seriala");
|
| 214 |
if(port) {
|
| 215 |
D(bug("SerialInit seriala=%s\r\n",port));
|
| 216 |
}
|
| 217 |
the_serd_port[0] = new XSERDPort(port,"0");
|
| 218 |
|
| 219 |
port = PrefsFindString("serialb");
|
| 220 |
if(port) {
|
| 221 |
D(bug("SerialInit serialb=%s\r\n",port));
|
| 222 |
}
|
| 223 |
the_serd_port[1] = new XSERDPort(port,"1");
|
| 224 |
}
|
| 225 |
|
| 226 |
|
| 227 |
/*
|
| 228 |
* Deinitialization
|
| 229 |
*/
|
| 230 |
|
| 231 |
void SerialExit(void)
|
| 232 |
{
|
| 233 |
D(bug("SerialExit\r\n"));
|
| 234 |
if(the_serd_port[0]) delete (XSERDPort *)the_serd_port[0];
|
| 235 |
if(the_serd_port[1]) delete (XSERDPort *)the_serd_port[1];
|
| 236 |
D(bug("SerialExit done\r\n"));
|
| 237 |
|
| 238 |
serial_log_close();
|
| 239 |
}
|
| 240 |
|
| 241 |
|
| 242 |
/*
|
| 243 |
* Open serial port
|
| 244 |
*/
|
| 245 |
|
| 246 |
int16 XSERDPort::open(uint16 config)
|
| 247 |
{
|
| 248 |
// Don't open NULL name devices
|
| 249 |
if (!device_name || !*device_name)
|
| 250 |
return openErr;
|
| 251 |
|
| 252 |
D(bug("XSERDPort::open device=%s,config=0x%X\r\n",device_name,(int)config));
|
| 253 |
|
| 254 |
// Init variables
|
| 255 |
io_killed = false;
|
| 256 |
quitting = false;
|
| 257 |
|
| 258 |
// Open port
|
| 259 |
if(is_file) {
|
| 260 |
DeleteFile( output_file_name );
|
| 261 |
fd = CreateFile( output_file_name,
|
| 262 |
GENERIC_READ | GENERIC_WRITE,
|
| 263 |
FILE_SHARE_READ,
|
| 264 |
NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL
|
| 265 |
);
|
| 266 |
} else {
|
| 267 |
fd = CreateFile( device_name, GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0 );
|
| 268 |
}
|
| 269 |
if(fd == INVALID_HANDLE_VALUE) {
|
| 270 |
goto open_error;
|
| 271 |
D(bug("XSERDPort::open failed to open port %s\r\n",device_name));
|
| 272 |
}
|
| 273 |
|
| 274 |
if(is_serial) {
|
| 275 |
// Configure port for raw mode
|
| 276 |
memset( &mode, 0, sizeof(DCB) );
|
| 277 |
mode.DCBlength = sizeof(mode);
|
| 278 |
if(!GetCommState( fd, &mode ))
|
| 279 |
goto open_error;
|
| 280 |
|
| 281 |
mode.fBinary = TRUE;
|
| 282 |
if(!configure(config)) {
|
| 283 |
D(bug("XSERDPort::configure failed\r\n"));
|
| 284 |
goto open_error;
|
| 285 |
}
|
| 286 |
}
|
| 287 |
|
| 288 |
// Start input/output threads
|
| 289 |
input_signal = CreateSemaphore( 0, 0, 1, NULL);
|
| 290 |
if(!input_signal)
|
| 291 |
goto open_error;
|
| 292 |
|
| 293 |
output_signal = CreateSemaphore( 0, 0, 1, NULL);
|
| 294 |
if(!output_signal)
|
| 295 |
goto open_error;
|
| 296 |
|
| 297 |
D(bug("Semaphores created\r\n"));
|
| 298 |
|
| 299 |
input_thread_active = (HANDLE)_beginthreadex( 0, 0, input_func, (LPVOID)this, 0, &input_thread_id );
|
| 300 |
output_thread_active = (HANDLE)_beginthreadex( 0, 0, output_func, (LPVOID)this, 0, &output_thread_id );
|
| 301 |
|
| 302 |
if (!input_thread_active || !output_thread_active)
|
| 303 |
goto open_error;
|
| 304 |
|
| 305 |
D(bug("Threads created, Open returns success\r\n"));
|
| 306 |
return noErr;
|
| 307 |
|
| 308 |
open_error:
|
| 309 |
D(bug("Open cleanup after failure\r\n"));
|
| 310 |
if (input_thread_active) {
|
| 311 |
TerminateThread(input_thread_active,0);
|
| 312 |
CloseHandle(input_signal);
|
| 313 |
input_thread_active = false;
|
| 314 |
}
|
| 315 |
if (output_thread_active) {
|
| 316 |
TerminateThread(output_thread_active,0);
|
| 317 |
CloseHandle(output_signal);
|
| 318 |
output_thread_active = false;
|
| 319 |
}
|
| 320 |
if(fd != INVALID_HANDLE_VALUE) {
|
| 321 |
CloseHandle(fd);
|
| 322 |
fd = 0;
|
| 323 |
}
|
| 324 |
return openErr;
|
| 325 |
}
|
| 326 |
|
| 327 |
/*
|
| 328 |
* Read data from port
|
| 329 |
*/
|
| 330 |
|
| 331 |
int16 XSERDPort::prime_in(uint32 pb, uint32 dce)
|
| 332 |
{
|
| 333 |
D(bug("XSERDPort::prime_in\r\n"));
|
| 334 |
// Send input command to input_thread
|
| 335 |
read_done = false;
|
| 336 |
read_pending = true;
|
| 337 |
input_pb = pb;
|
| 338 |
input_dce = dce;
|
| 339 |
ReleaseSemaphore(input_signal,1,NULL);
|
| 340 |
return 1; // Command in progress
|
| 341 |
}
|
| 342 |
|
| 343 |
|
| 344 |
/*
|
| 345 |
* Write data to port
|
| 346 |
*/
|
| 347 |
|
| 348 |
int16 XSERDPort::prime_out(uint32 pb, uint32 dce)
|
| 349 |
{
|
| 350 |
D(bug("XSERDPort::prime_out\r\n"));
|
| 351 |
// Send output command to output_thread
|
| 352 |
write_done = false;
|
| 353 |
write_pending = true;
|
| 354 |
output_pb = pb;
|
| 355 |
output_dce = dce;
|
| 356 |
ReleaseSemaphore(output_signal,1,NULL);
|
| 357 |
return 1; // Command in progress
|
| 358 |
}
|
| 359 |
|
| 360 |
|
| 361 |
static DWORD get_comm_output_buf_size( HANDLE h )
|
| 362 |
{
|
| 363 |
DWORD size = 0;
|
| 364 |
COMMPROP cp;
|
| 365 |
|
| 366 |
if(GetCommProperties(h,&cp)) {
|
| 367 |
size = cp.dwCurrentTxQueue;
|
| 368 |
}
|
| 369 |
return size;
|
| 370 |
}
|
| 371 |
|
| 372 |
/*
|
| 373 |
* Control calls
|
| 374 |
*/
|
| 375 |
|
| 376 |
int16 XSERDPort::control(uint32 pb, uint32 dce, uint16 code)
|
| 377 |
{
|
| 378 |
D(bug("XSERDPort::control code=%d\r\n",(int)code));
|
| 379 |
switch (code) {
|
| 380 |
|
| 381 |
case kSERDClockMIDI:
|
| 382 |
/* http://til.info.apple.com/techinfo.nsf/artnum/n2425
|
| 383 |
A MIDI interface operates at 31.25 Kbaud (+/- 1%) [== 31400]
|
| 384 |
asynchronously, using a data format of one start bit, eight
|
| 385 |
data bits, and one stop bit. This makes a total of 10 bits
|
| 386 |
for each 320 microsecond period per serial byte.
|
| 387 |
*/
|
| 388 |
D(bug("kSERDClockMIDI setting 38400,n,8,1\n"));
|
| 389 |
return noErr;
|
| 390 |
|
| 391 |
/*
|
| 392 |
mode.BaudRate = 38400;
|
| 393 |
mode.ByteSize = 8;
|
| 394 |
mode.StopBits = ONESTOPBIT;
|
| 395 |
mode.Parity = NOPARITY;
|
| 396 |
if(!SetCommState( fd, &mode )) {
|
| 397 |
D(bug("kSERDClockMIDI SetCommState() failed\n"));
|
| 398 |
return controlErr;
|
| 399 |
} else {
|
| 400 |
if(!set_timeouts(38400,0,2)) {
|
| 401 |
D(bug("kSERDClockMIDI set_timeouts() failed\n"));
|
| 402 |
return controlErr;
|
| 403 |
}
|
| 404 |
D(bug("kSERDClockMIDI OK\n"));
|
| 405 |
return noErr;
|
| 406 |
}
|
| 407 |
*/
|
| 408 |
|
| 409 |
case 1: // KillIO
|
| 410 |
io_killed = true;
|
| 411 |
|
| 412 |
if(is_serial) {
|
| 413 |
// Make sure we won't hang waiting. There is something wrong
|
| 414 |
// in how read_pending & write_pending are handled.
|
| 415 |
DWORD endtime = GetTickCount() + 1000;
|
| 416 |
while ( (read_pending || write_pending) && (GetTickCount() < endtime) ) {
|
| 417 |
Sleep(20);
|
| 418 |
}
|
| 419 |
if(read_pending || write_pending) {
|
| 420 |
D(bug("Warning (KillIO): read_pending=%d, write_pending=%d\n", read_pending, write_pending));
|
| 421 |
read_pending = write_pending = false;
|
| 422 |
}
|
| 423 |
// | PURGE_TXABORT | PURGE_RXABORT not needed, no overlapped i/o
|
| 424 |
PurgeComm(fd,PURGE_TXCLEAR|PURGE_RXCLEAR);
|
| 425 |
FlushFileBuffers(fd);
|
| 426 |
}
|
| 427 |
io_killed = false;
|
| 428 |
D(bug("KillIO done\n"));
|
| 429 |
return noErr;
|
| 430 |
|
| 431 |
case kSERDConfiguration:
|
| 432 |
if (configure((uint16)ReadMacInt16(pb + csParam)))
|
| 433 |
return noErr;
|
| 434 |
else
|
| 435 |
return paramErr;
|
| 436 |
|
| 437 |
case kSERDInputBuffer:
|
| 438 |
if(is_serial) {
|
| 439 |
|
| 440 |
// SetupComm() wants both values, so we need to know the output size.
|
| 441 |
DWORD osize = get_comm_output_buf_size(fd);
|
| 442 |
|
| 443 |
DWORD isize = ReadMacInt16(pb + csParam + 4) & 0xffffffc0;
|
| 444 |
|
| 445 |
// 1k minimum
|
| 446 |
// Was this something Amiga specific -- do I need to do this?
|
| 447 |
if (isize < 1024)
|
| 448 |
isize = 1024;
|
| 449 |
|
| 450 |
if(isize > 0 && osize > 0) {
|
| 451 |
if(SetupComm( fd, isize, osize )) {
|
| 452 |
D(bug(" buffer size is now %08lx\n", isize));
|
| 453 |
return noErr;
|
| 454 |
} else {
|
| 455 |
D(bug(" SetupComm(%d,%d) failed, error = %08lx\n", isize, osize, GetLastError()));
|
| 456 |
}
|
| 457 |
}
|
| 458 |
}
|
| 459 |
// Always return ok.
|
| 460 |
return noErr;
|
| 461 |
|
| 462 |
case kSERDSerHShake:
|
| 463 |
set_handshake(pb + csParam, false);
|
| 464 |
return noErr;
|
| 465 |
|
| 466 |
case kSERDSetBreak:
|
| 467 |
if(is_serial) {
|
| 468 |
if(!SetCommBreak(fd)) return controlErr;
|
| 469 |
}
|
| 470 |
return noErr;
|
| 471 |
|
| 472 |
case kSERDClearBreak:
|
| 473 |
if(is_serial) {
|
| 474 |
if(!ClearCommBreak(fd)) return controlErr;
|
| 475 |
}
|
| 476 |
return noErr;
|
| 477 |
|
| 478 |
case kSERDBaudRate: {
|
| 479 |
if (is_serial) {
|
| 480 |
uint16 rate = (uint16)ReadMacInt16(pb + csParam);
|
| 481 |
int baud_rate;
|
| 482 |
if (rate <= 50) {
|
| 483 |
rate = 50; baud_rate = CBR_110;
|
| 484 |
} else if (rate <= 75) {
|
| 485 |
rate = 75; baud_rate = CBR_110;
|
| 486 |
} else if (rate <= 110) {
|
| 487 |
rate = 110; baud_rate = CBR_110;
|
| 488 |
} else if (rate <= 134) {
|
| 489 |
rate = 134; baud_rate = CBR_110;
|
| 490 |
} else if (rate <= 150) {
|
| 491 |
rate = 150; baud_rate = CBR_110;
|
| 492 |
} else if (rate <= 200) {
|
| 493 |
rate = 200; baud_rate = CBR_300;
|
| 494 |
} else if (rate <= 300) {
|
| 495 |
rate = 300; baud_rate = CBR_300;
|
| 496 |
} else if (rate <= 600) {
|
| 497 |
rate = 600; baud_rate = CBR_600;
|
| 498 |
} else if (rate <= 1200) {
|
| 499 |
rate = 1200; baud_rate = CBR_1200;
|
| 500 |
} else if (rate <= 1800) {
|
| 501 |
rate = 1800; baud_rate = CBR_2400;
|
| 502 |
} else if (rate <= 2400) {
|
| 503 |
rate = 2400; baud_rate = CBR_2400;
|
| 504 |
} else if (rate <= 4800) {
|
| 505 |
rate = 4800; baud_rate = CBR_4800;
|
| 506 |
} else if (rate <= 9600) {
|
| 507 |
rate = 9600; baud_rate = CBR_9600;
|
| 508 |
} else if (rate <= 19200) {
|
| 509 |
rate = 19200; baud_rate = CBR_19200;
|
| 510 |
} else if (rate <= 38400) {
|
| 511 |
rate = 38400; baud_rate = CBR_38400;
|
| 512 |
} else if (rate <= 57600) {
|
| 513 |
rate = 57600; baud_rate = CBR_57600;
|
| 514 |
} else {
|
| 515 |
rate = 57600; baud_rate = CBR_57600;
|
| 516 |
}
|
| 517 |
WriteMacInt16(pb + csParam, rate);
|
| 518 |
mode.BaudRate = baud_rate;
|
| 519 |
if(!SetCommState( fd, &mode )) return controlErr;
|
| 520 |
// TODO: save parity/stop values and use here (not critical)
|
| 521 |
if(!set_timeouts(rate,0,1)) return controlErr;
|
| 522 |
}
|
| 523 |
return noErr;
|
| 524 |
}
|
| 525 |
|
| 526 |
case kSERDHandshake:
|
| 527 |
case kSERDHandshakeRS232:
|
| 528 |
set_handshake(pb + csParam, true);
|
| 529 |
return noErr;
|
| 530 |
|
| 531 |
case kSERDMiscOptions:
|
| 532 |
if (ReadMacInt8(pb + csParam) & kOptionPreserveDTR)
|
| 533 |
mode.fDtrControl = DTR_CONTROL_ENABLE; // correct?
|
| 534 |
else
|
| 535 |
mode.fDtrControl = DTR_CONTROL_DISABLE; // correct?
|
| 536 |
if(is_serial) {
|
| 537 |
if(!SetCommState( fd, &mode )) return controlErr;
|
| 538 |
}
|
| 539 |
return noErr;
|
| 540 |
|
| 541 |
case kSERDAssertDTR: {
|
| 542 |
if (is_serial) {
|
| 543 |
if(!EscapeCommFunction(fd,SETDTR)) return controlErr;
|
| 544 |
}
|
| 545 |
return noErr;
|
| 546 |
}
|
| 547 |
|
| 548 |
case kSERDNegateDTR: {
|
| 549 |
if (is_serial) {
|
| 550 |
if(!EscapeCommFunction(fd,CLRDTR)) return controlErr;
|
| 551 |
}
|
| 552 |
return noErr;
|
| 553 |
}
|
| 554 |
|
| 555 |
case kSERDSetPEChar:
|
| 556 |
case kSERDSetPEAltChar:
|
| 557 |
{
|
| 558 |
uint16 errChar = (uint16)ReadMacInt16(pb + csParam);
|
| 559 |
mode.fErrorChar = TRUE;
|
| 560 |
mode.ErrorChar = (char)errChar;
|
| 561 |
return noErr;
|
| 562 |
}
|
| 563 |
|
| 564 |
case kSERDResetChannel:
|
| 565 |
if (is_serial) {
|
| 566 |
// | PURGE_TXABORT | PURGE_RXABORT not needed, no overlapped i/o
|
| 567 |
PurgeComm(fd,PURGE_TXCLEAR|PURGE_RXCLEAR);
|
| 568 |
FlushFileBuffers(fd);
|
| 569 |
}
|
| 570 |
return noErr;
|
| 571 |
|
| 572 |
case kSERDAssertRTS: {
|
| 573 |
if (is_serial) {
|
| 574 |
if(!EscapeCommFunction(fd,SETRTS)) return controlErr;
|
| 575 |
}
|
| 576 |
return noErr;
|
| 577 |
}
|
| 578 |
|
| 579 |
case kSERDNegateRTS: {
|
| 580 |
if (is_serial) {
|
| 581 |
if(!EscapeCommFunction(fd,CLRRTS)) return controlErr;
|
| 582 |
}
|
| 583 |
return noErr;
|
| 584 |
}
|
| 585 |
|
| 586 |
case kSERD115KBaud:
|
| 587 |
if (is_serial) {
|
| 588 |
mode.BaudRate = CBR_115200;
|
| 589 |
if(!SetCommState( fd, &mode )) return controlErr;
|
| 590 |
}
|
| 591 |
return noErr;
|
| 592 |
|
| 593 |
case kSERD230KBaud:
|
| 594 |
case kSERDSetHighSpeed:
|
| 595 |
if (is_serial) {
|
| 596 |
mode.BaudRate = CBR_256000;
|
| 597 |
if(!SetCommState( fd, &mode )) return controlErr;
|
| 598 |
}
|
| 599 |
return noErr;
|
| 600 |
|
| 601 |
default:
|
| 602 |
D(bug("WARNING: SerialControl(): unimplemented control code %d\r\n", code));
|
| 603 |
return controlErr;
|
| 604 |
}
|
| 605 |
}
|
| 606 |
|
| 607 |
/*
|
| 608 |
* Status calls
|
| 609 |
*/
|
| 610 |
|
| 611 |
int16 XSERDPort::status(uint32 pb, uint32 dce, uint16 code)
|
| 612 |
{
|
| 613 |
// D(bug("XSERDPort::status code=%d\r\n",(int)code));
|
| 614 |
|
| 615 |
DWORD error_state;
|
| 616 |
COMSTAT comstat;
|
| 617 |
|
| 618 |
switch (code) {
|
| 619 |
case kSERDInputCount: {
|
| 620 |
uint32 num = 0;
|
| 621 |
if (is_serial) {
|
| 622 |
if(!ClearCommError(fd,&error_state,&comstat)) return statusErr;
|
| 623 |
num = comstat.cbInQue;
|
| 624 |
}
|
| 625 |
WriteMacInt32(pb + csParam, num);
|
| 626 |
return noErr;
|
| 627 |
}
|
| 628 |
|
| 629 |
case kSERDStatus: {
|
| 630 |
uint32 p = pb + csParam;
|
| 631 |
WriteMacInt8(p + staCumErrs, cum_errors);
|
| 632 |
cum_errors = 0;
|
| 633 |
DWORD status;
|
| 634 |
|
| 635 |
if(is_serial) {
|
| 636 |
if(!GetCommModemStatus(fd,&status)) return statusErr;
|
| 637 |
} else {
|
| 638 |
status = MS_CTS_ON | MS_DSR_ON | MS_RLSD_ON;
|
| 639 |
D(bug("kSERDStatus: faking status for LPT port or FILE\r\n"));
|
| 640 |
}
|
| 641 |
|
| 642 |
WriteMacInt8(p + staXOffSent, 0);
|
| 643 |
WriteMacInt8(p + staXOffHold, 0);
|
| 644 |
WriteMacInt8(p + staRdPend, read_pending);
|
| 645 |
WriteMacInt8(p + staWrPend, write_pending);
|
| 646 |
|
| 647 |
WriteMacInt8(p + staCtsHold, status & MS_CTS_ON ? 0 : 1);
|
| 648 |
WriteMacInt8(p + staDsrHold, status & MS_DSR_ON ? 0 : 1);
|
| 649 |
|
| 650 |
WriteMacInt8(p + staModemStatus,
|
| 651 |
(status & MS_DSR_ON ? dsrEvent : 0)
|
| 652 |
| (status & MS_RING_ON ? riEvent : 0)
|
| 653 |
| (status & MS_RLSD_ON ? dcdEvent : 0) // is this carrier detect?
|
| 654 |
| (status & MS_CTS_ON ? ctsEvent : 0));
|
| 655 |
return noErr;
|
| 656 |
}
|
| 657 |
|
| 658 |
default:
|
| 659 |
D(bug("WARNING: SerialStatus(): unimplemented status code %d\r\n", code));
|
| 660 |
return statusErr;
|
| 661 |
}
|
| 662 |
}
|
| 663 |
|
| 664 |
|
| 665 |
/*
|
| 666 |
* Close serial port
|
| 667 |
*/
|
| 668 |
|
| 669 |
int16 XSERDPort::close()
|
| 670 |
{
|
| 671 |
D(bug("XSERDPort::close\r\n"));
|
| 672 |
|
| 673 |
// Kill threads
|
| 674 |
if (input_thread_active) {
|
| 675 |
quitting = true;
|
| 676 |
ReleaseSemaphore(input_signal,1,NULL);
|
| 677 |
input_thread_active = false;
|
| 678 |
CloseHandle(input_signal);
|
| 679 |
}
|
| 680 |
if (output_thread_active) {
|
| 681 |
quitting = true;
|
| 682 |
ReleaseSemaphore(output_signal,1,NULL);
|
| 683 |
output_thread_active = false;
|
| 684 |
// bugfix: was: CloseHandle(&output_signal);
|
| 685 |
CloseHandle(output_signal);
|
| 686 |
}
|
| 687 |
|
| 688 |
// Close port
|
| 689 |
if(fd != INVALID_HANDLE_VALUE) {
|
| 690 |
CloseHandle(fd);
|
| 691 |
fd = 0;
|
| 692 |
}
|
| 693 |
return noErr;
|
| 694 |
}
|
| 695 |
|
| 696 |
bool XSERDPort::set_timeouts(
|
| 697 |
int bauds, int parity_bits, int stop_bits )
|
| 698 |
{
|
| 699 |
COMMTIMEOUTS timeouts;
|
| 700 |
uint32 bytes_per_sec;
|
| 701 |
uint32 msecs_per_ch;
|
| 702 |
bool result = false;
|
| 703 |
|
| 704 |
// Should already been checked
|
| 705 |
if (!is_serial)
|
| 706 |
return true;
|
| 707 |
|
| 708 |
bytes_per_sec = bauds / (mode.ByteSize + parity_bits + stop_bits);
|
| 709 |
|
| 710 |
// 75% bytes_per_sec
|
| 711 |
// bytes_per_sec = (bytes_per_sec+bytes_per_sec+bytes_per_sec) >> 2;
|
| 712 |
|
| 713 |
// 50% bytes_per_sec
|
| 714 |
bytes_per_sec = bytes_per_sec >> 1;
|
| 715 |
|
| 716 |
msecs_per_ch = 1000 / bytes_per_sec;
|
| 717 |
if(msecs_per_ch == 0) msecs_per_ch = 1;
|
| 718 |
|
| 719 |
if(GetCommTimeouts(fd,&timeouts)) {
|
| 720 |
D(bug("old timeout values: %ld %ld %ld %ld %ld\r\n",
|
| 721 |
timeouts.ReadIntervalTimeout,
|
| 722 |
timeouts.ReadTotalTimeoutMultiplier,
|
| 723 |
timeouts.ReadTotalTimeoutConstant,
|
| 724 |
timeouts.WriteTotalTimeoutMultiplier,
|
| 725 |
timeouts.WriteTotalTimeoutConstant
|
| 726 |
));
|
| 727 |
|
| 728 |
timeouts.WriteTotalTimeoutMultiplier = msecs_per_ch;
|
| 729 |
timeouts.WriteTotalTimeoutConstant = 10;
|
| 730 |
|
| 731 |
/*
|
| 732 |
timeouts.ReadIntervalTimeout = msecs_per_ch;
|
| 733 |
timeouts.ReadTotalTimeoutMultiplier = msecs_per_ch;
|
| 734 |
timeouts.ReadTotalTimeoutConstant = 10;
|
| 735 |
*/
|
| 736 |
|
| 737 |
timeouts.ReadIntervalTimeout = MAXDWORD;
|
| 738 |
timeouts.ReadTotalTimeoutMultiplier = 0;
|
| 739 |
timeouts.ReadTotalTimeoutConstant = 0;
|
| 740 |
|
| 741 |
if(!SetCommTimeouts(fd,&timeouts)) {
|
| 742 |
D(bug("SetCommTimeouts() failed in configure()\r\n"));
|
| 743 |
} else {
|
| 744 |
D(bug("new timeout values: %ld %ld %ld %ld %ld\r\n",
|
| 745 |
timeouts.ReadIntervalTimeout,
|
| 746 |
timeouts.ReadTotalTimeoutMultiplier,
|
| 747 |
timeouts.ReadTotalTimeoutConstant,
|
| 748 |
timeouts.WriteTotalTimeoutMultiplier,
|
| 749 |
timeouts.WriteTotalTimeoutConstant
|
| 750 |
));
|
| 751 |
result = true;
|
| 752 |
}
|
| 753 |
} else {
|
| 754 |
D(bug("GetCommTimeouts() failed in set_timeouts()\r\n"));
|
| 755 |
}
|
| 756 |
return(result);
|
| 757 |
}
|
| 758 |
|
| 759 |
/*
|
| 760 |
* Configure serial port with MacOS config word
|
| 761 |
*/
|
| 762 |
|
| 763 |
bool XSERDPort::configure(uint16 config)
|
| 764 |
{
|
| 765 |
D(bug("XSERDPort::configure, config=%d\r\n",(int)config));
|
| 766 |
|
| 767 |
if (!is_serial)
|
| 768 |
return true;
|
| 769 |
|
| 770 |
// needed to calculate optimal timeouts
|
| 771 |
uint32 bauds = 57600;
|
| 772 |
uint32 stop_bits = 1;
|
| 773 |
uint32 parity_bits = 0;
|
| 774 |
|
| 775 |
// Not all of these can be set here anyway.
|
| 776 |
/*
|
| 777 |
mode.fOutxCtsFlow = TRUE;
|
| 778 |
mode.fOutxDsrFlow = FALSE;
|
| 779 |
mode.fDtrControl = DTR_CONTROL_ENABLE; // DTR_CONTROL_HANDSHAKE?
|
| 780 |
mode.fDsrSensitivity = FALSE; // ???
|
| 781 |
mode.fOutX = FALSE;
|
| 782 |
mode.fInX = FALSE;
|
| 783 |
mode.fTXContinueOnXoff = FALSE;
|
| 784 |
mode.fErrorChar = FALSE;
|
| 785 |
mode.ErrorChar = 0;
|
| 786 |
mode.fNull = FALSE;
|
| 787 |
mode.fRtsControl = 2; // ???
|
| 788 |
mode.fAbortOnError = FALSE;
|
| 789 |
mode.XonLim = 0x800;
|
| 790 |
mode.XoffLim = 0x200;
|
| 791 |
mode.XonChar = 0x11;
|
| 792 |
mode.XoffChar = 0x13;
|
| 793 |
mode.EofChar = 0;
|
| 794 |
mode.EvtChar = '\0';
|
| 795 |
*/
|
| 796 |
|
| 797 |
// Set baud rate
|
| 798 |
switch (config & 0x03ff) {
|
| 799 |
// no baud1800, CBR_14400, CBR_56000, CBR_115200, CBR_128000, CBR_256000
|
| 800 |
case baud150: mode.BaudRate = CBR_110; bauds = 110; break;
|
| 801 |
case baud300: mode.BaudRate = CBR_300; bauds = 300; break;
|
| 802 |
case baud600: mode.BaudRate = CBR_600; bauds = 600; break;
|
| 803 |
case baud1200: mode.BaudRate = CBR_1200; bauds = 1200; break;
|
| 804 |
case baud1800: return false;
|
| 805 |
case baud2400: mode.BaudRate = CBR_2400; bauds = 2400; break;
|
| 806 |
case baud4800: mode.BaudRate = CBR_4800; bauds = 4800; break;
|
| 807 |
case baud9600: mode.BaudRate = CBR_9600; bauds = 9600; break;
|
| 808 |
case baud19200: mode.BaudRate = CBR_19200; bauds = 19200; break;
|
| 809 |
case baud38400: mode.BaudRate = CBR_38400; bauds = 38400; break;
|
| 810 |
case baud57600: mode.BaudRate = CBR_57600; bauds = 57600; break;
|
| 811 |
default:
|
| 812 |
return false;
|
| 813 |
}
|
| 814 |
|
| 815 |
// Set number of stop bits
|
| 816 |
switch (config & 0xc000) {
|
| 817 |
case stop10:
|
| 818 |
mode.StopBits = ONESTOPBIT;
|
| 819 |
stop_bits = 1;
|
| 820 |
break;
|
| 821 |
case stop15:
|
| 822 |
mode.StopBits = ONE5STOPBITS;
|
| 823 |
stop_bits = 2;
|
| 824 |
break;
|
| 825 |
case stop20:
|
| 826 |
mode.StopBits = TWOSTOPBITS;
|
| 827 |
stop_bits = 2;
|
| 828 |
break;
|
| 829 |
default:
|
| 830 |
return false;
|
| 831 |
}
|
| 832 |
|
| 833 |
// Set parity mode
|
| 834 |
switch (config & 0x3000) {
|
| 835 |
case noParity:
|
| 836 |
mode.Parity = NOPARITY;
|
| 837 |
mode.fParity = FALSE;
|
| 838 |
parity_bits = 0;
|
| 839 |
break;
|
| 840 |
case oddParity:
|
| 841 |
mode.Parity = ODDPARITY;
|
| 842 |
mode.fParity = TRUE;
|
| 843 |
parity_bits = 1;
|
| 844 |
break;
|
| 845 |
case evenParity:
|
| 846 |
mode.Parity = EVENPARITY;
|
| 847 |
mode.fParity = TRUE;
|
| 848 |
parity_bits = 1;
|
| 849 |
break;
|
| 850 |
// No MARKPARITY, SPACEPARITY
|
| 851 |
default:
|
| 852 |
return false;
|
| 853 |
}
|
| 854 |
|
| 855 |
// Set number of data bits
|
| 856 |
switch (config & 0x0c00) {
|
| 857 |
// No data4
|
| 858 |
case data5:
|
| 859 |
mode.ByteSize = 5; break;
|
| 860 |
case data6:
|
| 861 |
mode.ByteSize = 6; break;
|
| 862 |
case data7:
|
| 863 |
mode.ByteSize = 7; break;
|
| 864 |
case data8:
|
| 865 |
mode.ByteSize = 8; break;
|
| 866 |
default:
|
| 867 |
return false;
|
| 868 |
}
|
| 869 |
|
| 870 |
D(bug("Interpreted configuration: %d,%d,%d,%d\r\n",
|
| 871 |
bauds,
|
| 872 |
mode.ByteSize,
|
| 873 |
stop_bits,
|
| 874 |
parity_bits
|
| 875 |
));
|
| 876 |
|
| 877 |
if(!SetCommState( fd, &mode )) {
|
| 878 |
D(bug("SetCommState failed in configure()\r\n"));
|
| 879 |
return false;
|
| 880 |
}
|
| 881 |
|
| 882 |
if(!set_timeouts(bauds,parity_bits,stop_bits))
|
| 883 |
return false;
|
| 884 |
|
| 885 |
return true;
|
| 886 |
}
|
| 887 |
|
| 888 |
|
| 889 |
/*
|
| 890 |
* Set serial handshaking
|
| 891 |
*/
|
| 892 |
|
| 893 |
void XSERDPort::set_handshake(uint32 s, bool with_dtr)
|
| 894 |
{
|
| 895 |
D(bug(" set_handshake %02x %02x %02x %02x %02x %02x %02x %02x\r\n",
|
| 896 |
ReadMacInt8(s + 0), ReadMacInt8(s + 1), ReadMacInt8(s + 2), ReadMacInt8(s + 3),
|
| 897 |
ReadMacInt8(s + 4), ReadMacInt8(s + 5), ReadMacInt8(s + 6), ReadMacInt8(s + 7)));
|
| 898 |
|
| 899 |
if (!is_serial)
|
| 900 |
return;
|
| 901 |
|
| 902 |
if (with_dtr) {
|
| 903 |
mode.fDtrControl = DTR_CONTROL_ENABLE;
|
| 904 |
if (ReadMacInt8(s + shkFCTS) || ReadMacInt8(s + shkFDTR))
|
| 905 |
mode.fOutxCtsFlow = TRUE;
|
| 906 |
else
|
| 907 |
mode.fOutxCtsFlow = FALSE;
|
| 908 |
} else {
|
| 909 |
mode.fDtrControl = DTR_CONTROL_DISABLE;
|
| 910 |
if (ReadMacInt8(s + shkFCTS))
|
| 911 |
mode.fOutxCtsFlow = TRUE;
|
| 912 |
else
|
| 913 |
mode.fOutxCtsFlow = FALSE;
|
| 914 |
}
|
| 915 |
|
| 916 |
// MIDI: set_handshake 00 00 f4 f5 21 00 00 00
|
| 917 |
// shkFXOn = 0
|
| 918 |
// shkFCTS = 0
|
| 919 |
// shkXOn = f4
|
| 920 |
// shkXOff = f5
|
| 921 |
// shkErrs = 21
|
| 922 |
// shkEvts = 0
|
| 923 |
// shkFInX = 0
|
| 924 |
// shkFDTR = 0
|
| 925 |
if (ReadMacInt8(s + shkXOn) && ReadMacInt8(s + shkXOn)) {
|
| 926 |
mode.fOutX = 1;
|
| 927 |
mode.fInX = 1;
|
| 928 |
mode.XonChar = ReadMacInt8(s + shkXOn);
|
| 929 |
mode.XoffChar = ReadMacInt8(s + shkXOff);
|
| 930 |
} else {
|
| 931 |
mode.fOutX = 0;
|
| 932 |
mode.fInX = 0;
|
| 933 |
}
|
| 934 |
if (ReadMacInt8(s + shkErrs)) {
|
| 935 |
mode.ErrorChar = ReadMacInt8(s + shkErrs);
|
| 936 |
mode.fErrorChar = 1;
|
| 937 |
} else {
|
| 938 |
mode.fErrorChar = 0;
|
| 939 |
}
|
| 940 |
|
| 941 |
(void)SetCommState( fd, &mode );
|
| 942 |
|
| 943 |
// D(bug(" %sware flow control\r\n", mode.c_cflag & CRTSCTS ? "hard" : "soft"));
|
| 944 |
// tcsetattr(fd, TCSANOW, &mode);
|
| 945 |
}
|
| 946 |
|
| 947 |
/*
|
| 948 |
if mode.fAbortOnError is TRUE, ClearCommError() *MUST* be called
|
| 949 |
after any read or write errors. Otherwise no i/o will occur again
|
| 950 |
|
| 951 |
These error codes should be translated but the Mac Device Manager
|
| 952 |
error code mnemonics are too cryptic to me.
|
| 953 |
*/
|
| 954 |
|
| 955 |
int XSERDPort::acknowledge_error(HANDLE h, bool is_read)
|
| 956 |
{
|
| 957 |
DWORD error_state;
|
| 958 |
COMSTAT comstat;
|
| 959 |
int err;
|
| 960 |
|
| 961 |
// default error code if cannot map correctly
|
| 962 |
err = is_read ? readErr : writErr;
|
| 963 |
|
| 964 |
if(ClearCommError(h,&error_state,&comstat)) {
|
| 965 |
D(bug("A %s error 0x%X occured.\r\n", is_read ? "read" : "write", error_state));
|
| 966 |
D(bug("There was %d bytes in input buffer and %d bytes in output buffer.\r\n",(int)comstat.cbInQue,(int)comstat.cbOutQue));
|
| 967 |
if(error_state & CE_MODE) {
|
| 968 |
D(bug("The requested mode is not supported.\r\n"));
|
| 969 |
} else {
|
| 970 |
if(error_state & CE_BREAK) {
|
| 971 |
D(bug("The hardware detected a break condition.\r\n"));
|
| 972 |
}
|
| 973 |
if(error_state & CE_FRAME) {
|
| 974 |
D(bug("The hardware detected a framing error.\r\n"));
|
| 975 |
}
|
| 976 |
if(error_state & CE_IOE) {
|
| 977 |
D(bug("An I/O error occurred during communications with the device.\r\n"));
|
| 978 |
}
|
| 979 |
if(error_state & CE_RXOVER) {
|
| 980 |
D(bug("An input buffer overflow has occurred.\r\n"));
|
| 981 |
}
|
| 982 |
if(error_state & CE_RXPARITY) {
|
| 983 |
D(bug("The hardware detected a parity error.\r\n"));
|
| 984 |
err = badDCksum;
|
| 985 |
}
|
| 986 |
if(error_state & CE_TXFULL) {
|
| 987 |
D(bug("The application tried to transmit a character, but the output buffer was full.\r\n"));
|
| 988 |
}
|
| 989 |
|
| 990 |
// Win95 specific errors
|
| 991 |
if(error_state & CE_OVERRUN) {
|
| 992 |
D(bug("A character-buffer overrun has occurred. The next character is lost.\r\n"));
|
| 993 |
if(!is_read) err = wrUnderrun;
|
| 994 |
}
|
| 995 |
|
| 996 |
// Win95 parallel devices really.
|
| 997 |
if(error_state & CE_DNS) {
|
| 998 |
D(bug("A parallel device is not selected (Windows 95).\r\n"));
|
| 999 |
}
|
| 1000 |
if(error_state & CE_OOP) {
|
| 1001 |
D(bug("A parallel device signaled that it is out of paper (Windows 95 only).\r\n"));
|
| 1002 |
err = unitEmptyErr;
|
| 1003 |
}
|
| 1004 |
if(error_state & CE_PTO) {
|
| 1005 |
D(bug("A time-out occurred on a parallel device (Windows 95).\r\n"));
|
| 1006 |
}
|
| 1007 |
|
| 1008 |
}
|
| 1009 |
} else {
|
| 1010 |
D(bug("Failed to resume after %s operation.\r\n",is_read ? "read" : "write"));
|
| 1011 |
}
|
| 1012 |
return(err);
|
| 1013 |
}
|
| 1014 |
|
| 1015 |
#if DEBUG
|
| 1016 |
static void dump_dirst_bytes( BYTE *buf, int32 actual )
|
| 1017 |
{
|
| 1018 |
if(debug_serial != DB_SERIAL_LOUD) return;
|
| 1019 |
|
| 1020 |
BYTE b[256];
|
| 1021 |
int32 i, bytes = min(actual,sizeof(b)-3);
|
| 1022 |
|
| 1023 |
for (i=0; i<bytes; i++) {
|
| 1024 |
b[i] = isprint(buf[i]) ? buf[i] : '.';
|
| 1025 |
}
|
| 1026 |
b[i] = 0;
|
| 1027 |
strcat((char*)b,"\r\n");
|
| 1028 |
D(bug((char*)b));
|
| 1029 |
}
|
| 1030 |
#else
|
| 1031 |
#define dump_dirst_bytes(b,a) {}
|
| 1032 |
#endif
|
| 1033 |
|
| 1034 |
/*
|
| 1035 |
* Data input thread
|
| 1036 |
*/
|
| 1037 |
|
| 1038 |
unsigned int XSERDPort::input_func(void *arg)
|
| 1039 |
{
|
| 1040 |
XSERDPort *s = (XSERDPort *)arg;
|
| 1041 |
int error_code;
|
| 1042 |
|
| 1043 |
#if 0
|
| 1044 |
SetThreadPriority( GetCurrentThread(), threads[THREAD_SERIAL_IN].priority_running );
|
| 1045 |
SetThreadAffinityMask( GetCurrentThread(), threads[THREAD_SERIAL_IN].affinity_mask );
|
| 1046 |
set_desktop();
|
| 1047 |
#endif
|
| 1048 |
|
| 1049 |
D(bug("XSERDPort::input_func started for device %s\r\n",s->device_name));
|
| 1050 |
|
| 1051 |
for (;;) {
|
| 1052 |
|
| 1053 |
// Wait for commands
|
| 1054 |
WaitForSingleObject(s->input_signal,INFINITE);
|
| 1055 |
if (s->quitting)
|
| 1056 |
break;
|
| 1057 |
|
| 1058 |
// Execute command
|
| 1059 |
void *buf = Mac2HostAddr(ReadMacInt32(s->input_pb + ioBuffer));
|
| 1060 |
uint32 length = ReadMacInt32(s->input_pb + ioReqCount);
|
| 1061 |
D(bug("input_func waiting for %ld bytes of data...\r\n", length));
|
| 1062 |
|
| 1063 |
if(length & 0xFFFF0000) {
|
| 1064 |
length &= 0x0000FFFF;
|
| 1065 |
D(bug("byte count fixed to be %ld...\r\n", length));
|
| 1066 |
}
|
| 1067 |
|
| 1068 |
int32 actual;
|
| 1069 |
if(s->is_file) {
|
| 1070 |
actual = -1;
|
| 1071 |
error_code = readErr;
|
| 1072 |
} else if(!ReadFile(s->fd, buf, length, (LPDWORD)&actual, 0)) {
|
| 1073 |
actual = -1;
|
| 1074 |
if(s->is_serial)
|
| 1075 |
error_code = acknowledge_error(s->fd,true);
|
| 1076 |
else
|
| 1077 |
error_code = readErr;
|
| 1078 |
}
|
| 1079 |
D(bug(" %ld bytes received\r\n", actual));
|
| 1080 |
if(actual > 0) {
|
| 1081 |
dump_dirst_bytes( (BYTE*)buf, actual );
|
| 1082 |
}
|
| 1083 |
|
| 1084 |
// KillIO called? Then simply return
|
| 1085 |
if (s->io_killed) {
|
| 1086 |
|
| 1087 |
WriteMacInt16(s->input_pb + ioResult, abortErr);
|
| 1088 |
WriteMacInt32(s->input_pb + ioActCount, 0);
|
| 1089 |
s->read_pending = s->read_done = false;
|
| 1090 |
|
| 1091 |
} else {
|
| 1092 |
|
| 1093 |
// Set error code
|
| 1094 |
if (actual >= 0) {
|
| 1095 |
WriteMacInt32(s->input_pb + ioActCount, actual);
|
| 1096 |
WriteMacInt32(s->input_dt + serdtResult, noErr);
|
| 1097 |
} else {
|
| 1098 |
WriteMacInt32(s->input_pb + ioActCount, 0);
|
| 1099 |
WriteMacInt32(s->input_dt + serdtResult, error_code);
|
| 1100 |
}
|
| 1101 |
|
| 1102 |
// Trigger serial interrupt
|
| 1103 |
D(bug(" triggering serial interrupt\r\n"));
|
| 1104 |
WriteMacInt32(s->input_dt + serdtDCE, s->input_dce);
|
| 1105 |
s->read_done = true;
|
| 1106 |
SetInterruptFlag(INTFLAG_SERIAL);
|
| 1107 |
TriggerInterrupt();
|
| 1108 |
}
|
| 1109 |
}
|
| 1110 |
|
| 1111 |
D(bug("XSERDPort::input_func terminating gracefully\r\n"));
|
| 1112 |
|
| 1113 |
_endthreadex( 0 );
|
| 1114 |
|
| 1115 |
return(0);
|
| 1116 |
}
|
| 1117 |
|
| 1118 |
|
| 1119 |
/*
|
| 1120 |
* Data output thread
|
| 1121 |
*/
|
| 1122 |
|
| 1123 |
unsigned int XSERDPort::output_func(void *arg)
|
| 1124 |
{
|
| 1125 |
XSERDPort *s = (XSERDPort *)arg;
|
| 1126 |
int error_code;
|
| 1127 |
|
| 1128 |
#if 0
|
| 1129 |
SetThreadPriority( GetCurrentThread(), threads[THREAD_SERIAL_OUT].priority_running );
|
| 1130 |
SetThreadAffinityMask( GetCurrentThread(), threads[THREAD_SERIAL_OUT].affinity_mask );
|
| 1131 |
set_desktop();
|
| 1132 |
#endif
|
| 1133 |
|
| 1134 |
D(bug("XSERDPort::output_func started for device %s\r\n",s->device_name));
|
| 1135 |
|
| 1136 |
for (;;) {
|
| 1137 |
|
| 1138 |
// Wait for commands
|
| 1139 |
WaitForSingleObject(s->output_signal,INFINITE);
|
| 1140 |
if (s->quitting)
|
| 1141 |
break;
|
| 1142 |
|
| 1143 |
// Execute command
|
| 1144 |
void *buf = Mac2HostAddr(ReadMacInt32(s->output_pb + ioBuffer));
|
| 1145 |
uint32 length = ReadMacInt32(s->output_pb + ioReqCount);
|
| 1146 |
D(bug("output_func transmitting %ld bytes of data...\r\n", length));
|
| 1147 |
|
| 1148 |
if(length & 0xFFFF0000) {
|
| 1149 |
length &= 0x0000FFFF;
|
| 1150 |
D(bug("byte count fixed to be %ld...\r\n", length));
|
| 1151 |
}
|
| 1152 |
|
| 1153 |
int32 actual;
|
| 1154 |
if(!WriteFile(s->fd, buf, length, (LPDWORD)&actual, 0)) {
|
| 1155 |
actual = -1;
|
| 1156 |
if(s->is_serial)
|
| 1157 |
error_code = acknowledge_error(s->fd,false);
|
| 1158 |
else
|
| 1159 |
error_code = writErr;
|
| 1160 |
}
|
| 1161 |
D(bug(" %ld bytes transmitted\r\n", actual));
|
| 1162 |
if(actual > 0) {
|
| 1163 |
dump_dirst_bytes( (BYTE*)buf, actual );
|
| 1164 |
}
|
| 1165 |
|
| 1166 |
// KillIO called? Then simply return
|
| 1167 |
if (s->io_killed) {
|
| 1168 |
|
| 1169 |
WriteMacInt16(s->output_pb + ioResult, abortErr);
|
| 1170 |
WriteMacInt32(s->output_pb + ioActCount, 0);
|
| 1171 |
s->write_pending = s->write_done = false;
|
| 1172 |
|
| 1173 |
} else {
|
| 1174 |
|
| 1175 |
// Set error code
|
| 1176 |
if (actual >= 0) {
|
| 1177 |
WriteMacInt32(s->output_pb + ioActCount, actual);
|
| 1178 |
WriteMacInt32(s->output_dt + serdtResult, noErr);
|
| 1179 |
} else {
|
| 1180 |
WriteMacInt32(s->output_pb + ioActCount, 0);
|
| 1181 |
WriteMacInt32(s->output_dt + serdtResult, error_code);
|
| 1182 |
}
|
| 1183 |
|
| 1184 |
// Trigger serial interrupt
|
| 1185 |
D(bug(" triggering serial interrupt\r\n"));
|
| 1186 |
WriteMacInt32(s->output_dt + serdtDCE, s->output_dce);
|
| 1187 |
s->write_done = true;
|
| 1188 |
SetInterruptFlag(INTFLAG_SERIAL);
|
| 1189 |
TriggerInterrupt();
|
| 1190 |
}
|
| 1191 |
}
|
| 1192 |
|
| 1193 |
D(bug("XSERDPort::output_func terminating gracefully\r\n"));
|
| 1194 |
|
| 1195 |
_endthreadex( 0 );
|
| 1196 |
|
| 1197 |
return(0);
|
| 1198 |
}
|
