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 unsigned int vid, pid;
138 { .vid = 0xfffe, .pid = 0x0028, .name = "EasyMega" },
139 { .vid = 0xfffe, .pid = 0x002c, .name = "EasyMotor" },
144 altos_list_next(struct altos_list *list, struct altos_device *device)
146 SP_DEVINFO_DATA dev_info_data;
149 char friendlyname[256];
153 unsigned int vid, pid;
156 DWORD friendlyname_type;
157 DWORD friendlyname_len;
158 char instanceid[1024];
159 DWORD instanceid_len;
162 dev_info_data.cbSize = sizeof (SP_DEVINFO_DATA);
163 while(SetupDiEnumDeviceInfo(list->dev_info, list->index,
168 dev_key = SetupDiOpenDevRegKey(list->dev_info, &dev_info_data,
169 DICS_FLAG_GLOBAL, 0, DIREG_DEV,
171 if (dev_key == INVALID_HANDLE_VALUE) {
172 altos_set_last_windows_error();
181 vid = pid = serial = 0;
182 /* Fetch symbolic name for this device and parse out
183 * the vid/pid/serial info */
184 symbolic_len = sizeof(symbolic);
185 result = RegQueryValueEx(dev_key, "SymbolicName", NULL, NULL,
186 symbolic, &symbolic_len);
188 altos_set_last_windows_error();
190 sscanf((char *) symbolic + sizeof("\\??\\USB#VID_") - 1,
192 sscanf((char *) symbolic + sizeof("\\??\\USB#VID_XXXX&PID_") - 1,
194 sscanf((char *) symbolic + sizeof("\\??\\USB#VID_XXXX&PID_XXXX#") - 1,
197 if (vid == 0 || pid == 0 || serial == 0) {
198 if (SetupDiGetDeviceInstanceId(list->dev_info,
203 sscanf((char *) instanceid + sizeof("USB\\VID_") - 1,
205 sscanf((char *) instanceid + sizeof("USB\\VID_XXXX&PID_") - 1,
207 sscanf((char *) instanceid + sizeof("USB\\VID_XXXX&PID_XXXX\\") - 1,
210 altos_set_last_windows_error();
213 if (vid == 0 || pid == 0 || serial == 0) {
214 RegCloseKey(dev_key);
219 /* Fetch the com port name */
220 port_len = sizeof (port);
221 result = RegQueryValueEx(dev_key, "PortName", NULL, NULL,
223 RegCloseKey(dev_key);
225 altos_set_last_windows_error();
229 /* Fetch the device description which is the device name,
230 * with firmware that has unique USB ids */
231 friendlyname_len = sizeof (friendlyname);
232 if(!SetupDiGetDeviceRegistryProperty(list->dev_info,
236 (BYTE *)friendlyname,
237 sizeof(friendlyname),
240 altos_set_last_windows_error();
244 char *space = friendlyname;
253 for (i = 0; name_map[i].name; i++) {
254 if (name_map[i].vid == vid && name_map[i].pid == pid) {
255 strcpy(friendlyname, name_map[i].name);
260 device->vendor = vid;
261 device->product = pid;
262 device->serial = serial;
263 strcpy(device->name, friendlyname);
265 strcpy(device->path, (char *) port);
268 result = GetLastError();
269 if (result != ERROR_NO_MORE_ITEMS)
270 altos_set_last_windows_error();
275 altos_list_finish(struct altos_list *list)
277 SetupDiDestroyDeviceInfoList(list->dev_info);
282 altos_queue_read(struct altos_file_windows *file)
286 return LIBALTOS_SUCCESS;
288 if (!ReadFile(file->handle, file->file.in_data, USB_BUF_SIZE, &got, &file->ov_read)) {
289 if (GetLastError() != ERROR_IO_PENDING) {
290 altos_set_last_windows_error();
291 return LIBALTOS_ERROR;
293 file->pend_read = TRUE;
295 file->pend_read = FALSE;
296 file->file.in_read = 0;
297 file->file.in_used = got;
299 return LIBALTOS_SUCCESS;
303 altos_wait_read(struct altos_file_windows *file, int timeout)
308 if (!file->pend_read)
309 return LIBALTOS_SUCCESS;
314 ret = WaitForSingleObject(file->ov_read.hEvent, timeout);
317 if (!GetOverlappedResult(file->handle, &file->ov_read, &got, FALSE)) {
318 if (GetLastError () != ERROR_OPERATION_ABORTED)
319 altos_set_last_windows_error();
320 return LIBALTOS_ERROR;
322 file->pend_read = FALSE;
323 file->file.in_read = 0;
324 file->file.in_used = got;
327 return LIBALTOS_TIMEOUT;
330 altos_set_last_windows_error();
331 return LIBALTOS_ERROR;
333 return LIBALTOS_SUCCESS;
337 altos_fill(struct altos_file *file_common, int timeout)
339 struct altos_file_windows *file = (struct altos_file_windows *) file_common;
343 if (file->file.in_read < file->file.in_used)
344 return LIBALTOS_SUCCESS;
346 file->file.in_read = file->file.in_used = 0;
348 if (file->is_winsock) {
355 /* Check to see if the socket has been closed */
356 if (file->socket == INVALID_SOCKET)
357 return LIBALTOS_ERROR;
359 #define POLL_TIMEOUT 10000
361 /* Poll to see if the socket has been closed
362 * as select doesn't abort when that happens
365 thistimeout = timeout;
366 if (thistimeout > POLL_TIMEOUT)
367 thistimeout = POLL_TIMEOUT;
369 thistimeout = POLL_TIMEOUT;
372 timeval.tv_sec = thistimeout / 1000;
373 timeval.tv_usec = (thistimeout % 1000) * 1000;
376 FD_SET(file->socket, &readfds);
378 ret = select(1, &readfds, NULL, NULL, &timeval);
382 timeout -= thistimeout;
384 return LIBALTOS_TIMEOUT;
391 altos_set_last_winsock_error();
392 return LIBALTOS_ERROR;
397 if (file->socket == INVALID_SOCKET) {
398 altos_set_last_winsock_error();
399 return LIBALTOS_ERROR;
402 ret = recv(file->socket, (char *) file->file.in_data, USB_BUF_SIZE, 0);
405 altos_set_last_winsock_error();
406 return LIBALTOS_ERROR;
408 file->file.in_read = 0;
409 file->file.in_used = ret;
411 if (file->handle == INVALID_HANDLE_VALUE) {
412 altos_set_last_windows_error();
413 return LIBALTOS_ERROR;
416 ret = altos_queue_read(file);
419 ret = altos_wait_read(file, timeout);
424 return LIBALTOS_SUCCESS;
428 altos_flush(struct altos_file *file_common)
430 struct altos_file_windows *file = (struct altos_file_windows *) file_common;
432 unsigned char *data = file->file.out_data;
433 int used = file->file.out_used;
436 if (file->is_winsock) {
439 put = send(file->socket, (char *) data, used, 0);
441 altos_set_last_winsock_error();
442 return LIBALTOS_ERROR;
449 if (!WriteFile(file->handle, data, used, &put, &file->ov_write)) {
450 if (GetLastError() != ERROR_IO_PENDING) {
451 altos_set_last_windows_error();
452 return LIBALTOS_ERROR;
454 ret = WaitForSingleObject(file->ov_write.hEvent, INFINITE);
457 if (!GetOverlappedResult(file->handle, &file->ov_write, &put, FALSE)) {
458 altos_set_last_windows_error();
459 return LIBALTOS_ERROR;
463 altos_set_last_windows_error();
464 return LIBALTOS_ERROR;
471 file->file.out_used = 0;
472 return LIBALTOS_SUCCESS;
476 open_serial(char *full_name)
481 handle = CreateFile(full_name, GENERIC_READ|GENERIC_WRITE,
482 0, NULL, OPEN_EXISTING,
483 FILE_FLAG_OVERLAPPED, NULL);
485 if (handle == INVALID_HANDLE_VALUE) {
486 altos_set_last_windows_error();
487 return INVALID_HANDLE_VALUE;
490 if (!GetCommState(handle, &dcb)) {
491 altos_set_last_windows_error();
493 return INVALID_HANDLE_VALUE;
495 dcb.BaudRate = CBR_9600;
498 dcb.fOutxCtsFlow = FALSE;
499 dcb.fOutxDsrFlow = FALSE;
500 dcb.fDtrControl = DTR_CONTROL_ENABLE;
501 dcb.fDsrSensitivity = FALSE;
502 dcb.fTXContinueOnXoff = FALSE;
505 dcb.fErrorChar = FALSE;
507 dcb.fRtsControl = RTS_CONTROL_ENABLE;
508 dcb.fAbortOnError = FALSE;
512 dcb.Parity = NOPARITY;
513 dcb.StopBits = ONESTOPBIT;
521 if (!SetCommState(handle, &dcb)) {
522 altos_set_last_windows_error();
524 return INVALID_HANDLE_VALUE;
529 PUBLIC struct altos_file *
530 altos_open(struct altos_device *device)
532 struct altos_file_windows *file = calloc (1, sizeof (struct altos_file_windows));
534 COMMTIMEOUTS timeouts;
540 strcpy(full_name, "\\\\.\\");
541 strcat(full_name, device->path);
543 file->handle = INVALID_HANDLE_VALUE;
545 for (i = 0; i < 5; i++) {
546 file->handle = open_serial(full_name);
547 if (file->handle != INVALID_HANDLE_VALUE)
549 altos_set_last_windows_error();
553 if (file->handle == INVALID_HANDLE_VALUE) {
558 /* The FTDI driver doesn't appear to work right unless you open it twice */
559 if (device->vendor == 0x0403) {
560 CloseHandle(file->handle);
561 file->handle = open_serial(full_name);
562 if (file->handle == INVALID_HANDLE_VALUE) {
568 timeouts.ReadIntervalTimeout = MAXDWORD;
569 timeouts.ReadTotalTimeoutMultiplier = MAXDWORD;
570 timeouts.ReadTotalTimeoutConstant = 1 << 30; /* almost forever */
571 timeouts.WriteTotalTimeoutMultiplier = 0;
572 timeouts.WriteTotalTimeoutConstant = 0;
573 SetCommTimeouts(file->handle, &timeouts);
575 file->ov_read.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
576 file->ov_write.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
582 altos_close(struct altos_file *file_common)
584 struct altos_file_windows *file = (struct altos_file_windows *) file_common;
586 if (file->is_winsock) {
587 SOCKET socket = file->socket;
588 if (socket != INVALID_SOCKET) {
589 file->socket = INVALID_SOCKET;
593 HANDLE handle = file->handle;
594 if (handle != INVALID_HANDLE_VALUE) {
595 HANDLE ov_read = file->ov_read.hEvent;
596 HANDLE ov_write = file->ov_write.hEvent;
597 file->handle = INVALID_HANDLE_VALUE;
598 file->ov_read.hEvent = INVALID_HANDLE_VALUE;
599 file->ov_write.hEvent = INVALID_HANDLE_VALUE;
600 PurgeComm(handle, PURGE_RXABORT|PURGE_RXCLEAR|PURGE_TXABORT|PURGE_TXCLEAR);
603 file->handle = INVALID_HANDLE_VALUE;
604 CloseHandle(ov_read);
605 CloseHandle(ov_write);
612 #define LUP_SET (LUP_RETURN_NAME| LUP_CONTAINERS | LUP_RETURN_ADDR | LUP_FLUSHCACHE |\
613 LUP_RETURN_TYPE | LUP_RETURN_BLOB | LUP_RES_SERVICE)
615 struct altos_bt_list {
620 struct altos_bt_list *
621 altos_bt_list_start(int inquiry_time)
623 struct altos_bt_list *bt_list;
624 WSAQUERYSET query_set;
627 /* Windows provides no way to set the time */
629 bt_list = calloc(1, sizeof (struct altos_bt_list));
631 altos_set_last_windows_error();
635 if ((retCode = WSAStartup(MAKEWORD(2,2),&bt_list->WSAData)) != 0) {
636 altos_set_last_winsock_error();
641 memset(&query_set, '\0', sizeof (query_set));
642 query_set.dwSize = sizeof(WSAQUERYSET);
643 query_set.dwNameSpace = NS_BTH;
645 retCode = WSALookupServiceBegin(&query_set, LUP_SET, &bt_list->lookup);
648 altos_set_last_winsock_error();
655 static unsigned char get_byte(BTH_ADDR ba, int shift)
657 return (ba >> ((5 - shift) << 3)) & 0xff;
660 static BTH_ADDR put_byte(unsigned char c, int shift)
662 return ((BTH_ADDR) c) << ((5 - shift) << 3);
666 ba2str(BTH_ADDR ba, char *str)
669 sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X",
681 unsigned int bytes[6];
683 sscanf(str, "%02x:%02x:%02x:%02x:%02x:%02x",
690 return (put_byte(bytes[0], 0) |
691 put_byte(bytes[1], 1) |
692 put_byte(bytes[2], 2) |
693 put_byte(bytes[3], 3) |
694 put_byte(bytes[4], 4) |
695 put_byte(bytes[5], 5));
699 altos_bt_list_next(struct altos_bt_list *bt_list,
700 struct altos_bt_device *device)
704 DWORD length = sizeof (buffer);;
705 WSAQUERYSET *results = (WSAQUERYSET *)buffer;
706 CSADDR_INFO *addr_info;
708 SOCKADDR_BTH *sockaddr_bth;
710 memset(buffer, '\0', sizeof(buffer));
712 retCode = WSALookupServiceNext(bt_list->lookup, LUP_SET, &length, results);
715 int error = WSAGetLastError();
716 if (error != WSAENOMORE && error != WSA_E_NO_MORE)
717 altos_set_last_winsock_error();
721 if (results->dwNumberOfCsAddrs > 0) {
723 addr_info = results->lpcsaBuffer;
725 strncpy(device->name, results->lpszServiceInstanceName, sizeof(device->name));
726 device->name[sizeof(device->name)-1] = '\0';
728 sockaddr_bth = (SOCKADDR_BTH *) addr_info->RemoteAddr.lpSockaddr;
730 ba2str(sockaddr_bth->btAddr, device->addr);
738 altos_bt_list_finish(struct altos_bt_list *bt_list)
740 WSALookupServiceEnd(bt_list->lookup);
745 altos_bt_fill_in(char *name, char *addr, struct altos_bt_device *device)
747 strncpy(device->name, name, sizeof (device->name));
748 device->name[sizeof(device->name)-1] = '\0';
749 strncpy(device->addr, addr, sizeof (device->addr));
750 device->addr[sizeof(device->addr)-1] = '\0';
754 altos_bt_open(struct altos_bt_device *device)
756 struct altos_file_windows *file;
757 SOCKADDR_BTH sockaddr_bth;
760 file = calloc(1, sizeof (struct altos_file_windows));
765 file->is_winsock = TRUE;
766 file->socket = WSASocket(AF_BTH, SOCK_STREAM, BTHPROTO_RFCOMM, NULL, 0, WSA_FLAG_OVERLAPPED);
768 if (file->socket == INVALID_SOCKET) {
769 altos_set_last_winsock_error();
774 memset(&sockaddr_bth, '\0', sizeof (sockaddr_bth));
775 sockaddr_bth.addressFamily = AF_BTH;
776 sockaddr_bth.btAddr = str2ba(device->addr);
777 sockaddr_bth.port = altos_bt_port(device);
779 ret = connect(file->socket, (SOCKADDR *) &sockaddr_bth, sizeof (sockaddr_bth));
782 altos_set_last_winsock_error();
783 closesocket(file->socket);
785 log_message("Connection attempted to address %s port %d\n", device->addr, sockaddr_bth.port);
792 altos_pause_one_second(void)