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f1b296fc BV |
1 | /* |
2 | * This file is part of the DSLogic project. | |
3 | */ | |
4 | ||
5 | #include "libsigrok.h" | |
6 | #include "hardware/DSLogic/dslogic.h" | |
7 | ||
8 | #ifdef __linux__ | |
9 | #include <poll.h> | |
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
12 | #include <string.h> | |
13 | #include <unistd.h> | |
14 | #endif/*__linux__*/ | |
15 | ||
16 | #ifdef _WIN32 | |
17 | #include <windows.h> | |
18 | ||
19 | #include <initguid.h> | |
20 | #include <ddk/usbiodef.h> | |
21 | #include <Setupapi.h> | |
22 | ||
23 | #include <tchar.h> | |
24 | #include <conio.h> | |
25 | #include <dbt.h> | |
26 | #include <stdio.h> | |
27 | #include <winuser.h> | |
28 | ||
29 | #endif/*_WIN32*/ | |
30 | ||
31 | ||
32 | ||
33 | #ifdef __linux__ | |
34 | static void dev_list_add(struct libusbhp_t *h, const char *path, | |
35 | unsigned short vid, unsigned short pid) | |
36 | { | |
37 | struct dev_list_t *dev = | |
38 | (struct dev_list_t*)malloc(sizeof(struct dev_list_t)); | |
39 | dev->path = strdup(path); | |
40 | dev->vid = vid; | |
41 | dev->pid = pid; | |
42 | dev->next = NULL; | |
43 | ||
44 | struct dev_list_t *p = h->devlist; | |
45 | if(!p) { | |
46 | h->devlist = dev; | |
47 | return; | |
48 | } | |
49 | ||
50 | while(p->next) { | |
51 | p = p->next; | |
52 | } | |
53 | ||
54 | p->next = dev; | |
55 | } | |
56 | ||
57 | static int dev_list_remove(struct libusbhp_t *h, const char *path) | |
58 | { | |
59 | struct dev_list_t *p = h->devlist; | |
60 | if(!p) return 1; | |
61 | ||
62 | if(!strcmp(p->path, path)) { | |
63 | h->devlist = p->next; | |
64 | free(p->path); | |
65 | free(p); | |
66 | return 0; | |
67 | } | |
68 | ||
69 | while(p->next) { | |
70 | if(!strcmp(p->next->path, path)) { | |
71 | struct dev_list_t *pp = p->next; | |
72 | p->next = pp->next; | |
73 | free(pp->path); | |
74 | free(pp->next); | |
75 | free(pp); | |
76 | return 0; | |
77 | } | |
78 | p = p->next; | |
79 | } | |
80 | ||
81 | // Not found | |
82 | return 1; | |
83 | } | |
84 | ||
85 | static int dev_list_find(struct libusbhp_t *h, const char *path, | |
86 | unsigned short *vid, unsigned short *pid) | |
87 | { | |
88 | struct dev_list_t *p = h->devlist; | |
89 | while(p) { | |
90 | if(!strcmp(p->path, path)) { | |
91 | *vid = p->vid; | |
92 | *pid = p->pid; | |
93 | return 0; | |
94 | } | |
95 | p = p->next; | |
96 | } | |
97 | ||
98 | // Not found | |
99 | return 1; | |
100 | } | |
101 | #endif/*__linux__*/ | |
102 | ||
103 | #ifdef _WIN32 | |
104 | SR_PRIV LRESULT CALLBACK WinProcCallback(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) | |
105 | { | |
106 | struct libusbhp_t *h = (struct libusbhp_t*)GetWindowLong(hwnd, GWL_USERDATA); | |
107 | ||
108 | switch(msg) { | |
109 | case WM_DEVICECHANGE: | |
110 | { | |
111 | PDEV_BROADCAST_HDR phdr = (PDEV_BROADCAST_HDR)lp; | |
112 | ||
113 | if(!phdr || phdr->dbch_devicetype != DBT_DEVTYP_DEVICEINTERFACE) break; | |
114 | ||
115 | PDEV_BROADCAST_DEVICEINTERFACE devif = | |
116 | (PDEV_BROADCAST_DEVICEINTERFACE)lp; | |
117 | ||
118 | HDEVINFO devinfolist = SetupDiCreateDeviceInfoList(NULL, NULL); | |
119 | ||
120 | SP_DEVICE_INTERFACE_DATA devifdata; | |
121 | memset(&devifdata, 0, sizeof(devifdata)); | |
122 | devifdata.cbSize = sizeof(devifdata); | |
123 | BOOL b = SetupDiOpenDeviceInterface(devinfolist, devif->dbcc_name, 0, | |
124 | &devifdata); | |
125 | ||
126 | DWORD required; | |
127 | SP_DEVICE_INTERFACE_DETAIL_DATA devdetaildata; | |
128 | memset(&devdetaildata, 0, sizeof(devdetaildata)); | |
129 | devdetaildata.cbSize = sizeof(devdetaildata); | |
130 | ||
131 | SP_DEVINFO_DATA devinfodata; | |
132 | memset(&devinfodata, 0, sizeof(devinfodata)); | |
133 | devinfodata.cbSize = sizeof(devinfodata); | |
134 | b = SetupDiGetDeviceInterfaceDetail(devinfolist, &devifdata, | |
135 | &devdetaildata, | |
136 | sizeof(devdetaildata), | |
137 | &required, &devinfodata); | |
138 | ||
139 | TCHAR deviceidw[1024]; | |
140 | b = SetupDiGetDeviceInstanceIdW(devinfolist, &devinfodata, deviceidw, | |
141 | sizeof(deviceidw), NULL); | |
142 | ||
143 | char deviceid[1024]; | |
144 | //size_t sz; | |
145 | //wcstombs_s(&sz, deviceid, deviceidw, sizeof(deviceid) - 1); | |
146 | wcstombs(deviceid, deviceidw, sizeof(deviceid) - 1); | |
147 | ||
148 | char *vid = strstr(deviceid, "VID_"); | |
149 | if(vid != NULL) vid += 4; | |
150 | ||
151 | char *pid = strstr(deviceid, "PID_"); | |
152 | if(pid != NULL) pid += 4; | |
153 | ||
154 | struct libusbhp_device_t *device = NULL; | |
155 | ||
156 | if(pid || vid) { | |
157 | device = | |
158 | (struct libusbhp_device_t*)malloc(sizeof(struct libusbhp_device_t)); | |
159 | } | |
160 | ||
161 | if(pid) { | |
162 | pid[4] = '\0'; | |
163 | device->idProduct = (unsigned short)strtol(pid, NULL, 16); | |
164 | } | |
165 | ||
166 | if(vid) { | |
167 | vid[4] = '\0'; | |
168 | device->idVendor = (unsigned short)strtol(vid, NULL, 16); | |
169 | } | |
170 | ||
171 | if ((device->idVendor == supported_fx2[0].vid) && | |
172 | (device->idProduct == supported_fx2[0].pid)) { | |
173 | switch(wp) { | |
174 | case DBT_DEVICEARRIVAL: | |
175 | if(h->attach) h->attach(device, h->user_data); | |
176 | break; | |
177 | case DBT_DEVICEREMOVECOMPLETE: | |
178 | if(h->detach) h->detach(device, h->user_data); | |
179 | break; | |
180 | case DBT_DEVNODES_CHANGED: | |
181 | default: | |
182 | break; | |
183 | } | |
184 | } | |
185 | ||
186 | if(device) free(device); | |
187 | } | |
188 | break; | |
189 | default: | |
190 | break; | |
191 | } | |
192 | ||
193 | return DefWindowProc(hwnd, msg, wp, lp); | |
194 | } | |
195 | #endif/*OS_WINDOWS*/ | |
196 | ||
197 | SR_API int libusbhp_init(struct libusbhp_t **handle) | |
198 | { | |
199 | struct libusbhp_t *h = (struct libusbhp_t *)malloc(sizeof(struct libusbhp_t)); | |
200 | ||
201 | h->attach = NULL; | |
202 | h->detach = NULL; | |
203 | h->user_data = NULL; | |
204 | ||
205 | #ifdef __linux__ | |
206 | h->devlist = NULL; | |
207 | ||
208 | // create the udev object | |
209 | h->hotplug = udev_new(); | |
210 | if(!h->hotplug) | |
211 | { | |
212 | printf("Cannot create udev object\n"); | |
213 | free(h); | |
214 | return 1; | |
215 | } | |
216 | ||
217 | // create the udev monitor | |
218 | h->hotplug_monitor = udev_monitor_new_from_netlink(h->hotplug, "udev"); | |
219 | ||
220 | // start receiving hotplug events | |
221 | udev_monitor_filter_add_match_subsystem_devtype(h->hotplug_monitor, | |
222 | "usb", "usb_device"); | |
223 | udev_monitor_enable_receiving(h->hotplug_monitor); | |
224 | ||
225 | struct udev_enumerate *de = udev_enumerate_new (h->hotplug); | |
226 | udev_enumerate_add_match_subsystem(de, "usb"); | |
227 | udev_enumerate_scan_devices(de); | |
228 | ||
229 | struct udev_list_entry *lst = udev_enumerate_get_list_entry(de); | |
230 | while(lst) { | |
231 | struct udev_device *dev = | |
232 | udev_device_new_from_syspath(h->hotplug, | |
233 | udev_list_entry_get_name(lst)); | |
234 | ||
235 | if(udev_device_get_devnode(dev)) { | |
236 | unsigned short idVendor = | |
237 | strtol(udev_device_get_sysattr_value(dev, "idVendor"), NULL, 16); | |
238 | unsigned short idProduct = | |
239 | strtol(udev_device_get_sysattr_value(dev, "idProduct"), NULL, 16); | |
240 | ||
241 | dev_list_add(h, udev_device_get_devnode(dev), idVendor, idProduct); | |
242 | } | |
243 | ||
244 | udev_device_unref(dev); | |
245 | ||
246 | lst = udev_list_entry_get_next(lst); | |
247 | } | |
248 | ||
249 | udev_enumerate_unref(de); | |
250 | ||
251 | #endif/*__linux__*/ | |
252 | ||
253 | #ifdef _WIN32 | |
254 | memset(&h->wcex, 0, sizeof(h->wcex)); | |
255 | h->wcex.cbSize = sizeof(WNDCLASSEX); | |
256 | h->wcex.lpfnWndProc = WinProcCallback; | |
257 | h->wcex.hInstance = GetModuleHandle(NULL); | |
258 | h->wcex.lpszClassName = TEXT("UsbHotplugClass"); | |
259 | h->wcex.cbWndExtra = sizeof(struct libusbhp_t*); // Size of data. | |
260 | ||
261 | RegisterClassEx(&h->wcex); | |
262 | ||
263 | h->hwnd = | |
264 | CreateWindowEx(0, h->wcex.lpszClassName, TEXT("UsbHotplug"), 0, 0, 0, 0, | |
265 | 0, 0, NULL, GetModuleHandle(NULL), NULL); | |
266 | ||
267 | SetWindowLong(h->hwnd, GWL_USERDATA, (LONG)h); | |
268 | ||
269 | ||
270 | DEV_BROADCAST_DEVICEINTERFACE *filter = | |
271 | (DEV_BROADCAST_DEVICEINTERFACE*)malloc(sizeof(DEV_BROADCAST_DEVICEINTERFACE)); | |
272 | ||
273 | memset(filter, 0, sizeof(DEV_BROADCAST_DEVICEINTERFACE)); | |
274 | filter->dbcc_size = sizeof(DEV_BROADCAST_DEVICEINTERFACE); | |
275 | filter->dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE; | |
276 | filter->dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE; | |
277 | ||
278 | h->hDeviceNotify = | |
279 | RegisterDeviceNotification(h->hwnd, filter, DEVICE_NOTIFY_WINDOW_HANDLE); | |
280 | ||
281 | if(h->hDeviceNotify == 0) { | |
282 | //printf("RegisterDeviceNotification error\n"); | |
283 | free(h); | |
284 | return 1; | |
285 | } | |
286 | #endif/*_WIN32*/ | |
287 | ||
288 | *handle = h; | |
289 | return 0; | |
290 | } | |
291 | ||
292 | SR_API void libusbhp_exit(struct libusbhp_t *h) | |
293 | { | |
294 | #ifdef __linux__ | |
295 | // destroy the udev monitor | |
296 | udev_monitor_unref(h->hotplug_monitor); | |
297 | ||
298 | // destroy the udev object | |
299 | udev_unref(h->hotplug); | |
300 | #endif/*__linux__*/ | |
301 | ||
302 | #ifdef _WIN32 | |
303 | UnregisterDeviceNotification(h->hDeviceNotify); | |
304 | DestroyWindow(h->hwnd); | |
305 | UnregisterClass(h->wcex.lpszClassName, h->wcex.hInstance); | |
306 | #endif/*_WIN32*/ | |
307 | ||
308 | free(h); | |
309 | } | |
310 | ||
311 | SR_API int libusbhp_handle_events_timeout(struct libusbhp_t *h, struct timeval *tv) | |
312 | { | |
313 | int ms = tv->tv_sec * 1000 + tv->tv_usec / 1000; | |
314 | ||
315 | #ifdef __linux__ | |
316 | // create the poll item | |
317 | struct pollfd items[1]; | |
318 | items[0].fd = udev_monitor_get_fd(h->hotplug_monitor); | |
319 | items[0].events = POLLIN; | |
320 | items[0].revents = 0; | |
321 | ||
322 | // while there are hotplug events to process | |
323 | while(poll(items, 1, ms) > 0) { | |
324 | // receive the relevant device | |
325 | struct udev_device* dev = udev_monitor_receive_device(h->hotplug_monitor); | |
326 | if(!dev) { | |
327 | // error receiving device, skip it | |
328 | continue; | |
329 | } | |
330 | ||
331 | if(!strcmp(udev_device_get_action(dev), "add")) { | |
332 | struct libusbhp_device_t device; | |
333 | ||
334 | device.idVendor = | |
335 | strtol(udev_device_get_sysattr_value(dev, "idVendor"), NULL, 16); | |
336 | device.idProduct = | |
337 | strtol(udev_device_get_sysattr_value(dev, "idProduct"), NULL, 16); | |
338 | ||
339 | dev_list_add(h, udev_device_get_devnode(dev), | |
340 | device.idVendor, device.idProduct); | |
341 | ||
342 | if(h->attach) h->attach(&device, h->user_data); | |
343 | } | |
344 | ||
345 | if(!strcmp(udev_device_get_action(dev), "remove")) { | |
346 | struct libusbhp_device_t device; | |
347 | ||
348 | int res = dev_list_find(h, udev_device_get_devnode(dev), | |
349 | &device.idVendor, &device.idProduct); | |
350 | ||
351 | if(res) { | |
352 | if(h->detach) h->detach(NULL, h->user_data); | |
353 | } else { | |
354 | dev_list_remove(h, udev_device_get_devnode(dev)); | |
355 | if(h->detach) h->detach(&device, h->user_data); | |
356 | } | |
357 | } | |
358 | ||
359 | // destroy the relevant device | |
360 | udev_device_unref(dev); | |
361 | ||
362 | // clear the revents | |
363 | items[0].revents = 0; | |
364 | } | |
365 | #endif/*__linux__*/ | |
366 | ||
367 | #ifdef _WIN32 | |
368 | UINT_PTR timer = SetTimer(h->hwnd, 0, ms, NULL); | |
369 | ||
370 | MSG msg; | |
371 | int ret = GetMessage(&msg, NULL, 0, 0); | |
372 | ||
373 | if(ret <= 0) return 0; | |
374 | ||
375 | TranslateMessage(&msg); | |
376 | DispatchMessage(&msg); | |
377 | ||
378 | KillTimer(h->hwnd, timer); | |
379 | #endif/*_WIN32*/ | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | SR_API void libusbhp_register_hotplug_listeners(struct libusbhp_t *handle, | |
385 | libusbhp_hotplug_cb_fn connected_cb, | |
386 | libusbhp_hotplug_cb_fn disconnected_cb, | |
387 | void *user_data) | |
388 | { | |
389 | handle->attach = connected_cb; | |
390 | handle->detach = disconnected_cb; | |
391 | handle->user_data = user_data; | |
392 | } |