2 * Copyright © 2016 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 #include "libaltos_private.h"
31 #define USB_BUF_SIZE 64
33 struct altos_file_windows {
34 struct altos_file file;
37 /* Data used by the regular I/O */
43 /* Data used by winsock */
50 log_message(char *fmt, ...)
52 static FILE *log = NULL;
56 log = fopen("\\temp\\altos.txt", "w");
62 sprintf (buffer, "%4d-%02d-%02d %2d:%02d:%02d. ",
63 time.wYear, time.wMonth, time.wDay,
64 time.wHour, time.wMinute, time.wSecond);
67 vsprintf(buffer + strlen(buffer), fmt, a);
72 fputs(buffer, stdout);
78 _altos_set_last_windows_error(char *file, int line, DWORD error)
81 FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
86 sizeof (message) / sizeof (TCHAR),
88 if (error != ERROR_SUCCESS)
89 log_message ("%s:%d (%d) %s\n", file, line, error, message);
90 altos_set_last_error(error, message);
93 #define altos_set_last_windows_error() _altos_set_last_windows_error(__FILE__, __LINE__, GetLastError())
94 #define altos_set_last_winsock_error() _altos_set_last_windows_error(__FILE__, __LINE__, WSAGetLastError())
96 PUBLIC struct altos_list *
97 altos_list_start(void)
99 struct altos_list *list = calloc(1, sizeof (struct altos_list));
103 list->dev_info = SetupDiGetClassDevs(NULL, "USB", NULL,
104 DIGCF_ALLCLASSES|DIGCF_PRESENT);
105 if (list->dev_info == INVALID_HANDLE_VALUE) {
106 altos_set_last_windows_error();
115 PUBLIC struct altos_list *
116 altos_ftdi_list_start(void)
118 struct altos_list *list = calloc(1, sizeof (struct altos_list));
122 list->dev_info = SetupDiGetClassDevs(NULL, "FTDIBUS", NULL,
123 DIGCF_ALLCLASSES|DIGCF_PRESENT);
124 if (list->dev_info == INVALID_HANDLE_VALUE) {
125 altos_set_last_windows_error();
135 altos_list_next(struct altos_list *list, struct altos_device *device)
137 SP_DEVINFO_DATA dev_info_data;
140 char friendlyname[256];
144 unsigned int vid, pid;
147 DWORD friendlyname_type;
148 DWORD friendlyname_len;
149 char instanceid[1024];
150 DWORD instanceid_len;
152 dev_info_data.cbSize = sizeof (SP_DEVINFO_DATA);
153 while(SetupDiEnumDeviceInfo(list->dev_info, list->index,
158 dev_key = SetupDiOpenDevRegKey(list->dev_info, &dev_info_data,
159 DICS_FLAG_GLOBAL, 0, DIREG_DEV,
161 if (dev_key == INVALID_HANDLE_VALUE) {
162 altos_set_last_windows_error();
171 vid = pid = serial = 0;
172 /* Fetch symbolic name for this device and parse out
173 * the vid/pid/serial info */
174 symbolic_len = sizeof(symbolic);
175 result = RegQueryValueEx(dev_key, "SymbolicName", NULL, NULL,
176 symbolic, &symbolic_len);
178 altos_set_last_windows_error();
180 sscanf((char *) symbolic + sizeof("\\??\\USB#VID_") - 1,
182 sscanf((char *) symbolic + sizeof("\\??\\USB#VID_XXXX&PID_") - 1,
184 sscanf((char *) symbolic + sizeof("\\??\\USB#VID_XXXX&PID_XXXX#") - 1,
187 if (vid == 0 || pid == 0 || serial == 0) {
188 if (SetupDiGetDeviceInstanceId(list->dev_info,
193 sscanf((char *) instanceid + sizeof("USB\\VID_") - 1,
195 sscanf((char *) instanceid + sizeof("USB\\VID_XXXX&PID_") - 1,
197 sscanf((char *) instanceid + sizeof("USB\\VID_XXXX&PID_XXXX\\") - 1,
200 altos_set_last_windows_error();
203 if (vid == 0 || pid == 0 || serial == 0) {
204 RegCloseKey(dev_key);
209 /* Fetch the com port name */
210 port_len = sizeof (port);
211 result = RegQueryValueEx(dev_key, "PortName", NULL, NULL,
213 RegCloseKey(dev_key);
215 altos_set_last_windows_error();
219 /* Fetch the device description which is the device name,
220 * with firmware that has unique USB ids */
221 friendlyname_len = sizeof (friendlyname);
222 if(!SetupDiGetDeviceRegistryProperty(list->dev_info,
226 (BYTE *)friendlyname,
227 sizeof(friendlyname),
230 altos_set_last_windows_error();
233 device->vendor = vid;
234 device->product = pid;
235 device->serial = serial;
236 strcpy(device->name, friendlyname);
238 strcpy(device->path, (char *) port);
241 result = GetLastError();
242 if (result != ERROR_NO_MORE_ITEMS)
243 altos_set_last_windows_error();
248 altos_list_finish(struct altos_list *list)
250 SetupDiDestroyDeviceInfoList(list->dev_info);
255 altos_queue_read(struct altos_file_windows *file)
259 return LIBALTOS_SUCCESS;
261 if (!ReadFile(file->handle, file->file.in_data, USB_BUF_SIZE, &got, &file->ov_read)) {
262 if (GetLastError() != ERROR_IO_PENDING) {
263 altos_set_last_windows_error();
264 return LIBALTOS_ERROR;
266 file->pend_read = TRUE;
268 file->pend_read = FALSE;
269 file->file.in_read = 0;
270 file->file.in_used = got;
272 return LIBALTOS_SUCCESS;
276 altos_wait_read(struct altos_file_windows *file, int timeout)
281 if (!file->pend_read)
282 return LIBALTOS_SUCCESS;
287 ret = WaitForSingleObject(file->ov_read.hEvent, timeout);
290 if (!GetOverlappedResult(file->handle, &file->ov_read, &got, FALSE)) {
291 if (GetLastError () != ERROR_OPERATION_ABORTED)
292 altos_set_last_windows_error();
293 return LIBALTOS_ERROR;
295 file->pend_read = FALSE;
296 file->file.in_read = 0;
297 file->file.in_used = got;
300 return LIBALTOS_TIMEOUT;
303 altos_set_last_windows_error();
304 return LIBALTOS_ERROR;
306 return LIBALTOS_SUCCESS;
310 altos_fill(struct altos_file *file_common, int timeout)
312 struct altos_file_windows *file = (struct altos_file_windows *) file_common;
316 if (file->file.in_read < file->file.in_used)
317 return LIBALTOS_SUCCESS;
319 file->file.in_read = file->file.in_used = 0;
321 if (file->is_winsock) {
328 /* Check to see if the socket has been closed */
329 if (file->socket == INVALID_SOCKET)
330 return LIBALTOS_ERROR;
332 #define POLL_TIMEOUT 10000
334 /* Poll to see if the socket has been closed
335 * as select doesn't abort when that happens
338 thistimeout = timeout;
339 if (thistimeout > POLL_TIMEOUT)
340 thistimeout = POLL_TIMEOUT;
342 thistimeout = POLL_TIMEOUT;
345 timeval.tv_sec = thistimeout / 1000;
346 timeval.tv_usec = (thistimeout % 1000) * 1000;
349 FD_SET(file->socket, &readfds);
351 ret = select(1, &readfds, NULL, NULL, &timeval);
355 timeout -= thistimeout;
357 return LIBALTOS_TIMEOUT;
364 altos_set_last_winsock_error();
365 return LIBALTOS_ERROR;
370 if (file->socket == INVALID_SOCKET) {
371 altos_set_last_winsock_error();
372 return LIBALTOS_ERROR;
375 ret = recv(file->socket, (char *) file->file.in_data, USB_BUF_SIZE, 0);
378 altos_set_last_winsock_error();
379 return LIBALTOS_ERROR;
381 file->file.in_read = 0;
382 file->file.in_used = ret;
384 if (file->handle == INVALID_HANDLE_VALUE) {
385 altos_set_last_windows_error();
386 return LIBALTOS_ERROR;
389 ret = altos_queue_read(file);
392 ret = altos_wait_read(file, timeout);
397 return LIBALTOS_SUCCESS;
401 altos_flush(struct altos_file *file_common)
403 struct altos_file_windows *file = (struct altos_file_windows *) file_common;
405 unsigned char *data = file->file.out_data;
406 int used = file->file.out_used;
409 if (file->is_winsock) {
412 put = send(file->socket, (char *) data, used, 0);
414 altos_set_last_winsock_error();
415 return LIBALTOS_ERROR;
422 if (!WriteFile(file->handle, data, used, &put, &file->ov_write)) {
423 if (GetLastError() != ERROR_IO_PENDING) {
424 altos_set_last_windows_error();
425 return LIBALTOS_ERROR;
427 ret = WaitForSingleObject(file->ov_write.hEvent, INFINITE);
430 if (!GetOverlappedResult(file->handle, &file->ov_write, &put, FALSE)) {
431 altos_set_last_windows_error();
432 return LIBALTOS_ERROR;
436 altos_set_last_windows_error();
437 return LIBALTOS_ERROR;
444 file->file.out_used = 0;
445 return LIBALTOS_SUCCESS;
449 open_serial(char *full_name)
454 handle = CreateFile(full_name, GENERIC_READ|GENERIC_WRITE,
455 0, NULL, OPEN_EXISTING,
456 FILE_FLAG_OVERLAPPED, NULL);
458 if (handle == INVALID_HANDLE_VALUE) {
459 altos_set_last_windows_error();
460 return INVALID_HANDLE_VALUE;
463 if (!GetCommState(handle, &dcb)) {
464 altos_set_last_windows_error();
466 return INVALID_HANDLE_VALUE;
468 dcb.BaudRate = CBR_9600;
471 dcb.fOutxCtsFlow = FALSE;
472 dcb.fOutxDsrFlow = FALSE;
473 dcb.fDtrControl = DTR_CONTROL_ENABLE;
474 dcb.fDsrSensitivity = FALSE;
475 dcb.fTXContinueOnXoff = FALSE;
478 dcb.fErrorChar = FALSE;
480 dcb.fRtsControl = RTS_CONTROL_ENABLE;
481 dcb.fAbortOnError = FALSE;
485 dcb.Parity = NOPARITY;
486 dcb.StopBits = ONESTOPBIT;
494 if (!SetCommState(handle, &dcb)) {
495 altos_set_last_windows_error();
497 return INVALID_HANDLE_VALUE;
502 PUBLIC struct altos_file *
503 altos_open(struct altos_device *device)
505 struct altos_file_windows *file = calloc (1, sizeof (struct altos_file_windows));
507 COMMTIMEOUTS timeouts;
513 strcpy(full_name, "\\\\.\\");
514 strcat(full_name, device->path);
516 file->handle = INVALID_HANDLE_VALUE;
518 for (i = 0; i < 5; i++) {
519 file->handle = open_serial(full_name);
520 if (file->handle != INVALID_HANDLE_VALUE)
522 altos_set_last_windows_error();
526 if (file->handle == INVALID_HANDLE_VALUE) {
531 /* The FTDI driver doesn't appear to work right unless you open it twice */
532 if (device->vendor == 0x0403) {
533 CloseHandle(file->handle);
534 file->handle = open_serial(full_name);
535 if (file->handle == INVALID_HANDLE_VALUE) {
541 timeouts.ReadIntervalTimeout = MAXDWORD;
542 timeouts.ReadTotalTimeoutMultiplier = MAXDWORD;
543 timeouts.ReadTotalTimeoutConstant = 1 << 30; /* almost forever */
544 timeouts.WriteTotalTimeoutMultiplier = 0;
545 timeouts.WriteTotalTimeoutConstant = 0;
546 SetCommTimeouts(file->handle, &timeouts);
548 file->ov_read.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
549 file->ov_write.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
555 altos_close(struct altos_file *file_common)
557 struct altos_file_windows *file = (struct altos_file_windows *) file_common;
559 if (file->is_winsock) {
560 SOCKET socket = file->socket;
561 if (socket != INVALID_SOCKET) {
562 file->socket = INVALID_SOCKET;
566 HANDLE handle = file->handle;
567 if (handle != INVALID_HANDLE_VALUE) {
568 HANDLE ov_read = file->ov_read.hEvent;
569 HANDLE ov_write = file->ov_write.hEvent;
570 file->handle = INVALID_HANDLE_VALUE;
571 file->ov_read.hEvent = INVALID_HANDLE_VALUE;
572 file->ov_write.hEvent = INVALID_HANDLE_VALUE;
573 PurgeComm(handle, PURGE_RXABORT|PURGE_RXCLEAR|PURGE_TXABORT|PURGE_TXCLEAR);
576 file->handle = INVALID_HANDLE_VALUE;
577 CloseHandle(ov_read);
578 CloseHandle(ov_write);
585 #define LUP_SET (LUP_RETURN_NAME| LUP_CONTAINERS | LUP_RETURN_ADDR | LUP_FLUSHCACHE |\
586 LUP_RETURN_TYPE | LUP_RETURN_BLOB | LUP_RES_SERVICE)
588 struct altos_bt_list {
593 struct altos_bt_list *
594 altos_bt_list_start(int inquiry_time)
596 struct altos_bt_list *bt_list;
597 WSAQUERYSET query_set;
600 /* Windows provides no way to set the time */
602 bt_list = calloc(1, sizeof (struct altos_bt_list));
604 altos_set_last_windows_error();
608 if ((retCode = WSAStartup(MAKEWORD(2,2),&bt_list->WSAData)) != 0) {
609 altos_set_last_winsock_error();
614 memset(&query_set, '\0', sizeof (query_set));
615 query_set.dwSize = sizeof(WSAQUERYSET);
616 query_set.dwNameSpace = NS_BTH;
618 retCode = WSALookupServiceBegin(&query_set, LUP_SET, &bt_list->lookup);
621 altos_set_last_winsock_error();
628 static unsigned char get_byte(BTH_ADDR ba, int shift)
630 return (ba >> ((5 - shift) << 3)) & 0xff;
633 static BTH_ADDR put_byte(unsigned char c, int shift)
635 return ((BTH_ADDR) c) << ((5 - shift) << 3);
639 ba2str(BTH_ADDR ba, char *str)
642 sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x",
654 unsigned int bytes[6];
656 sscanf(str, "%02x:%02x:%02x:%02x:%02x:%02x",
663 return (put_byte(bytes[0], 0) |
664 put_byte(bytes[1], 1) |
665 put_byte(bytes[2], 2) |
666 put_byte(bytes[3], 3) |
667 put_byte(bytes[4], 4) |
668 put_byte(bytes[5], 5));
672 altos_bt_list_next(struct altos_bt_list *bt_list,
673 struct altos_bt_device *device)
677 DWORD length = sizeof (buffer);;
678 WSAQUERYSET *results = (WSAQUERYSET *)buffer;
679 CSADDR_INFO *addr_info;
681 SOCKADDR_BTH *sockaddr_bth;
683 memset(buffer, '\0', sizeof(buffer));
685 retCode = WSALookupServiceNext(bt_list->lookup, LUP_SET, &length, results);
688 int error = WSAGetLastError();
689 if (error != WSAENOMORE && error != WSA_E_NO_MORE)
690 altos_set_last_winsock_error();
694 if (results->dwNumberOfCsAddrs > 0) {
696 addr_info = results->lpcsaBuffer;
698 strncpy(device->name, results->lpszServiceInstanceName, sizeof(device->name));
699 device->name[sizeof(device->name)-1] = '\0';
701 sockaddr_bth = (SOCKADDR_BTH *) addr_info->RemoteAddr.lpSockaddr;
703 ba2str(sockaddr_bth->btAddr, device->addr);
711 altos_bt_list_finish(struct altos_bt_list *bt_list)
713 WSALookupServiceEnd(bt_list->lookup);
718 altos_bt_fill_in(char *name, char *addr, struct altos_bt_device *device)
720 strncpy(device->name, name, sizeof (device->name));
721 device->name[sizeof(device->name)-1] = '\0';
722 strncpy(device->addr, addr, sizeof (device->addr));
723 device->addr[sizeof(device->addr)-1] = '\0';
727 altos_bt_open(struct altos_bt_device *device)
729 struct altos_file_windows *file;
730 SOCKADDR_BTH sockaddr_bth;
733 file = calloc(1, sizeof (struct altos_file_windows));
738 file->is_winsock = TRUE;
739 file->socket = WSASocket(AF_BTH, SOCK_STREAM, BTHPROTO_RFCOMM, NULL, 0, WSA_FLAG_OVERLAPPED);
741 if (file->socket == INVALID_SOCKET) {
742 altos_set_last_winsock_error();
747 memset(&sockaddr_bth, '\0', sizeof (sockaddr_bth));
748 sockaddr_bth.addressFamily = AF_BTH;
749 sockaddr_bth.btAddr = str2ba(device->addr);
750 sockaddr_bth.port = 1;
752 ret = connect(file->socket, (SOCKADDR *) &sockaddr_bth, sizeof (sockaddr_bth));
755 altos_set_last_winsock_error();
756 closesocket(file->socket);