932302ef |
1 | #include <stdio.h> |
61172125 |
2 | #include <stdlib.h> |
932302ef |
3 | #include <string.h> |
4 | #include <stdint.h> |
932302ef |
5 | #include <sys/types.h> |
6 | #include <sys/stat.h> |
7 | #include <fcntl.h> |
8 | #include <sys/ioctl.h> |
9 | #include <sys/select.h> |
10 | #include <unistd.h> |
11 | #include <dirent.h> |
f359b935 |
12 | #include <signal.h> |
13 | #include <termios.h> |
932302ef |
14 | #include <errno.h> |
15 | #include <linux/usbdevice_fs.h> |
16 | #include <linux/usb/ch9.h> |
1cb2822f |
17 | #include <linux/input.h> |
f20de073 |
18 | #include "../pkts.h" |
932302ef |
19 | |
20 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) |
21 | |
932302ef |
22 | struct teensy_dev { |
23 | int fd; |
24 | struct { |
25 | int ep_in; |
26 | int ep_out; |
27 | } ifaces[2]; |
28 | }; |
29 | |
30 | /* return 1 if founf, 0 if not, < 0 on error */ |
31 | static int find_device(struct teensy_dev *dev, |
32 | uint16_t vendor, uint16_t product) |
33 | { |
34 | const char path_root[] = "/dev/bus/usb"; |
35 | union { |
36 | struct usb_descriptor_header hdr; |
37 | struct usb_device_descriptor d; |
38 | struct usb_config_descriptor c; |
39 | struct usb_interface_descriptor i; |
40 | struct usb_endpoint_descriptor e; |
41 | char space[0x100]; /* enough? */ |
42 | } desc; |
43 | char path_bus[256], path_dev[256]; |
44 | struct dirent *ent, *ent_bus; |
45 | DIR *dir = NULL, *dir_bus = NULL; |
46 | int num, fd = -1; |
47 | int iface = -1; |
48 | int retval = -1; |
49 | int ret; |
50 | |
51 | memset(dev, 0xff, sizeof(*dev)); |
52 | |
53 | dir = opendir(path_root); |
54 | if (dir == NULL) { |
55 | perror("opendir"); |
56 | return -1; |
57 | } |
58 | |
59 | for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) { |
60 | /* should be a number like 000 */ |
61 | if (sscanf(ent->d_name, "%03d", &num) != 1) |
62 | continue; |
63 | |
64 | snprintf(path_bus, sizeof(path_bus), "%s/%s", |
65 | path_root, ent->d_name); |
66 | |
67 | dir_bus = opendir(path_bus); |
68 | if (dir_bus == NULL) |
69 | continue; |
70 | |
71 | ent_bus = readdir(dir_bus); |
72 | for (; ent_bus != NULL; ent_bus = readdir(dir_bus)) { |
73 | if (sscanf(ent->d_name, "%03d", &num) != 1) |
74 | continue; |
75 | |
76 | snprintf(path_dev, sizeof(path_dev), "%s/%s/%s", |
77 | path_root, ent->d_name, ent_bus->d_name); |
78 | |
79 | fd = open(path_dev, O_RDWR); |
80 | if (fd == -1) |
81 | continue; |
82 | |
83 | ret = read(fd, &desc.d, sizeof(desc.d)); |
84 | if (ret != sizeof(desc.d)) { |
85 | fprintf(stderr, "desc read: %d/%zd: ", ret, sizeof(desc.d)); |
86 | perror(""); |
87 | goto next; |
88 | } |
89 | |
90 | if (desc.d.bDescriptorType != USB_DT_DEVICE) { |
91 | fprintf(stderr, "%s: bad DT: 0x%02x\n", |
92 | path_dev, desc.d.bDescriptorType); |
93 | goto next; |
94 | } |
95 | |
96 | if (desc.d.idVendor == vendor && desc.d.idProduct == product) |
97 | goto found; |
98 | |
99 | next: |
100 | close(fd); |
101 | fd = -1; |
102 | } |
103 | |
104 | closedir(dir_bus); |
105 | dir_bus = NULL; |
106 | } |
107 | |
108 | /* not found */ |
109 | retval = 0; |
110 | goto out; |
111 | |
112 | found: |
113 | if (desc.d.bNumConfigurations != 1) { |
114 | fprintf(stderr, "unexpected bNumConfigurations: %u\n", |
115 | desc.d.bNumConfigurations); |
116 | goto out; |
117 | } |
118 | |
119 | /* walk through all descriptors */ |
120 | while (1) |
121 | { |
122 | ret = read(fd, &desc.hdr, sizeof(desc.hdr)); |
123 | if (ret == 0) |
124 | break; |
125 | if (ret != sizeof(desc.hdr)) { |
126 | fprintf(stderr, "desc.hdr read: %d/%zd: ", ret, sizeof(desc.hdr)); |
127 | perror(""); |
128 | break; |
129 | } |
130 | |
131 | ret = (int)lseek(fd, -sizeof(desc.hdr), SEEK_CUR); |
132 | if (ret == -1) { |
133 | perror("lseek"); |
134 | break; |
135 | } |
136 | |
137 | ret = read(fd, &desc, desc.hdr.bLength); |
138 | if (ret != desc.hdr.bLength) { |
139 | fprintf(stderr, "desc read: %d/%u: ", ret, desc.hdr.bLength); |
140 | perror(""); |
141 | break; |
142 | } |
143 | |
144 | switch (desc.hdr.bDescriptorType) { |
145 | case USB_DT_CONFIG: |
146 | if (desc.c.bNumInterfaces != 2) { |
147 | fprintf(stderr, "unexpected bNumInterfaces: %u\n", |
148 | desc.c.bNumInterfaces); |
149 | goto out; |
150 | } |
151 | break; |
152 | |
153 | case USB_DT_INTERFACE: |
154 | if (desc.i.bInterfaceClass != USB_CLASS_HID |
155 | || desc.i.bInterfaceSubClass != 0 |
156 | || desc.i.bInterfaceProtocol != 0) { |
157 | fprintf(stderr, "unexpected interface %x:%x:%x\n", |
158 | desc.i.bInterfaceClass, desc.i.bInterfaceSubClass, |
159 | desc.i.bInterfaceProtocol); |
160 | goto out; |
161 | } |
162 | if (desc.i.bNumEndpoints != 2) { |
163 | fprintf(stderr, "unexpected bNumEndpoints: %u\n", |
164 | desc.i.bNumEndpoints); |
165 | goto out; |
166 | } |
167 | iface++; |
168 | break; |
169 | |
170 | case USB_DT_ENDPOINT: |
171 | if (iface < 0 || iface >= ARRAY_SIZE(dev->ifaces)) { |
172 | fprintf(stderr, "bad iface: %d\n", iface); |
173 | goto out; |
174 | } |
175 | if (desc.e.wMaxPacketSize != 64 && desc.e.wMaxPacketSize != 32) { |
176 | fprintf(stderr, "iface %d, EP %02x: " |
177 | "unexpected wMaxPacketSize: %u\n", |
178 | iface, desc.e.bEndpointAddress, desc.e.wMaxPacketSize); |
179 | goto out; |
180 | } |
181 | if (desc.e.bEndpointAddress & 0x80) |
182 | dev->ifaces[iface].ep_in = desc.e.bEndpointAddress; // & 0x7F; |
183 | else |
184 | dev->ifaces[iface].ep_out = desc.e.bEndpointAddress; |
185 | break; |
186 | |
187 | case 0x21: |
188 | /* ignore */ |
189 | break; |
190 | |
191 | default: |
192 | fprintf(stderr, "skipping desc 0x%02x\n", |
193 | desc.hdr.bDescriptorType); |
194 | break; |
195 | } |
196 | } |
197 | |
198 | /* claim interfaces */ |
199 | for (iface = 0; iface < ARRAY_SIZE(dev->ifaces); iface++) { |
200 | struct usbdevfs_ioctl usbio; |
201 | |
202 | if (dev->ifaces[iface].ep_in == -1) { |
203 | fprintf(stderr, "missing ep_in, iface: %d\n", iface); |
204 | goto out; |
205 | } |
206 | if (dev->ifaces[iface].ep_out == -1) { |
207 | fprintf(stderr, "missing ep_out, iface: %d\n", iface); |
208 | goto out; |
209 | } |
210 | |
211 | /* disconnect default driver */ |
212 | memset(&usbio, 0, sizeof(usbio)); |
213 | usbio.ifno = iface; |
214 | usbio.ioctl_code = USBDEVFS_DISCONNECT; |
215 | ret = ioctl(fd, USBDEVFS_IOCTL, &usbio); |
216 | if (ret != 0 && errno != ENODATA) |
217 | perror("USBDEVFS_DISCONNECT"); |
218 | |
219 | ret = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &iface); |
220 | if (ret != 0) |
221 | perror("USBDEVFS_CLAIMINTERFACE"); |
222 | } |
223 | |
224 | dev->fd = fd; |
225 | fd = -1; |
226 | retval = 1; |
227 | |
228 | out: |
229 | if (fd != -1) |
230 | close(fd); |
231 | if (dir_bus != NULL) |
232 | closedir(dir_bus); |
233 | if (dir != NULL) |
234 | closedir(dir); |
235 | |
236 | return retval; |
237 | } |
238 | |
f359b935 |
239 | static int enable_echo(int enable) |
240 | { |
241 | const char *portname = "/dev/tty"; |
242 | struct termios tty; |
243 | int retval = -1; |
244 | int ret; |
245 | int fd; |
246 | |
247 | memset(&tty, 0, sizeof(tty)); |
248 | |
249 | fd = open(portname, O_RDWR | O_NOCTTY | O_SYNC); |
250 | if (fd < 0) { |
251 | fprintf(stderr, "open %s: ", portname); |
252 | perror(""); |
253 | return 1; |
254 | } |
255 | |
256 | ret = tcgetattr(fd, &tty); |
257 | if (ret != 0) { |
258 | perror("tcgetattr"); |
259 | goto out; |
260 | } |
261 | |
262 | // printf("lflag: 0%o\n", tty.c_lflag); |
263 | if (enable) |
264 | tty.c_lflag |= ECHO; |
265 | else |
266 | tty.c_lflag &= ~ECHO; |
267 | |
268 | ret = tcsetattr(fd, TCSANOW, &tty); |
269 | if (ret != 0) { |
270 | perror("tcsetattr"); |
271 | goto out; |
272 | } |
273 | |
274 | retval = 0; |
275 | out: |
276 | close(fd); |
277 | |
278 | return retval; |
279 | } |
280 | |
281 | static void signal_handler(int sig) |
282 | { |
283 | enable_echo(1); |
284 | signal(sig, SIG_DFL); |
285 | raise(sig); |
286 | } |
287 | |
1cb2822f |
288 | /* ?0SA 00DU, ?1CB RLDU */ |
289 | #define STATE_BYTES 2 |
290 | |
291 | static uint8_t fixed_input_state[STATE_BYTES] = { 0x33, 0x3f }; |
292 | |
293 | enum mdbtn { |
294 | MDBTN_UP = 1, |
295 | MDBTN_DOWN, |
296 | MDBTN_LEFT, |
297 | MDBTN_RIGHT, |
298 | MDBTN_A, |
299 | MDBTN_B, |
300 | MDBTN_C, |
301 | MDBTN_START, |
302 | }; |
303 | |
304 | static const enum mdbtn evdev_md_map[KEY_CNT] = { |
305 | [KEY_UP] = MDBTN_UP, |
306 | [KEY_DOWN] = MDBTN_DOWN, |
307 | [KEY_LEFT] = MDBTN_LEFT, |
308 | [KEY_RIGHT] = MDBTN_RIGHT, |
309 | [KEY_HOME] = MDBTN_A, |
310 | [KEY_PAGEDOWN] = MDBTN_B, |
311 | [KEY_END] = MDBTN_C, |
312 | [KEY_LEFTALT] = MDBTN_START, |
313 | }; |
314 | |
315 | int do_evdev_input(int fd) |
316 | { |
317 | uint8_t old_state[STATE_BYTES]; |
318 | uint8_t changed_bits[STATE_BYTES] = { 0, }; |
319 | struct input_event ev; |
320 | enum mdbtn mdbtn; |
321 | int i, ret; |
322 | |
323 | ret = read(fd, &ev, sizeof(ev)); |
324 | if (ret != sizeof(ev)) { |
325 | fprintf(stderr, "evdev read %d/%zd: ", ret, sizeof(ev)); |
326 | perror(""); |
327 | return 0; |
328 | } |
329 | |
330 | if (ev.type != EV_KEY) |
331 | return 0; |
332 | |
333 | if (ev.value != 0 && ev.value != 1) |
334 | return 0; |
335 | |
336 | if ((uint32_t)ev.code >= ARRAY_SIZE(evdev_md_map)) { |
337 | fprintf(stderr, "evdev read bad key: %u\n", ev.code); |
338 | return 0; |
339 | } |
340 | |
341 | mdbtn = evdev_md_map[ev.code]; |
342 | if (mdbtn == 0) |
343 | return 0; |
344 | |
345 | memcpy(old_state, fixed_input_state, STATE_BYTES); |
346 | |
347 | /* ?0SA 00DU, ?1CB RLDU */ |
348 | switch (mdbtn) { |
349 | case MDBTN_UP: |
350 | changed_bits[0] = 0x01; |
351 | changed_bits[1] = 0x01; |
352 | break; |
353 | case MDBTN_DOWN: |
354 | changed_bits[0] = 0x02; |
355 | changed_bits[1] = 0x02; |
356 | break; |
357 | case MDBTN_LEFT: |
358 | changed_bits[0] = 0x00; |
359 | changed_bits[1] = 0x04; |
360 | break; |
361 | case MDBTN_RIGHT: |
362 | changed_bits[0] = 0x00; |
363 | changed_bits[1] = 0x08; |
364 | break; |
365 | case MDBTN_A: |
366 | changed_bits[0] = 0x10; |
367 | changed_bits[1] = 0x00; |
368 | break; |
369 | case MDBTN_B: |
370 | changed_bits[0] = 0x00; |
371 | changed_bits[1] = 0x10; |
372 | break; |
373 | case MDBTN_C: |
374 | changed_bits[0] = 0x00; |
375 | changed_bits[1] = 0x20; |
376 | break; |
377 | case MDBTN_START: |
378 | changed_bits[0] = 0x20; |
379 | changed_bits[1] = 0x00; |
380 | break; |
381 | } |
382 | |
383 | if (ev.value) { |
384 | // key press |
385 | for (i = 0; i < STATE_BYTES; i++) |
386 | fixed_input_state[i] &= ~changed_bits[i]; |
387 | } |
388 | else { |
389 | // key release |
390 | for (i = 0; i < STATE_BYTES; i++) |
391 | fixed_input_state[i] |= changed_bits[i]; |
392 | } |
393 | |
394 | return memcmp(old_state, fixed_input_state, STATE_BYTES) ? 1 : 0; |
395 | } |
396 | |
f20de073 |
397 | struct gmv_tas { |
398 | char sig[15]; |
399 | char ver; |
400 | uint32_t rerecord_count; |
401 | char ctrl1; |
402 | char ctrl2; |
403 | uint16_t flags; |
404 | char name[40]; |
405 | uint8_t data[0][3]; |
406 | }; |
407 | |
408 | static int submit_urb(int fd, struct usbdevfs_urb *urb, int ep, |
409 | void *buf, size_t buf_size) |
410 | { |
411 | memset(urb, 0, sizeof(*urb)); |
412 | urb->type = USBDEVFS_URB_TYPE_INTERRUPT; |
413 | urb->endpoint = ep; |
414 | urb->buffer = buf; |
415 | urb->buffer_length = buf_size; |
416 | |
417 | return ioctl(fd, USBDEVFS_SUBMITURB, urb); |
418 | } |
419 | |
932302ef |
420 | enum my_urbs { |
421 | URB_DATA_IN, |
422 | URB_DATA_OUT, |
423 | URB_DBG_IN, |
424 | URB_CNT |
425 | }; |
426 | |
61172125 |
427 | static void missing_arg(int a) |
428 | { |
429 | fprintf(stderr, "missing arg: %d\n", a); |
430 | exit(1); |
431 | } |
432 | |
932302ef |
433 | int main(int argc, char *argv[]) |
434 | { |
435 | struct teensy_dev dev; |
436 | struct usbdevfs_urb urb[URB_CNT]; |
437 | struct usbdevfs_urb *reaped_urb; |
1cb2822f |
438 | int fixed_input_changed; |
439 | int evdev_fds[16]; |
440 | int evdev_fd_cnt = 0; |
441 | int evdev_support; |
932302ef |
442 | int wait_device = 0; |
443 | int dbg_in_sent = 0; |
444 | int data_in_sent = 0; |
1cb2822f |
445 | fd_set rfds, wfds; |
f20de073 |
446 | struct gmv_tas *gmv = NULL; |
61172125 |
447 | const char *tasfn = NULL; |
448 | int tas_skip = 0; |
f20de073 |
449 | int enable_sent = 0; |
450 | int frame_count = 0; |
451 | int frames_sent = 0; |
452 | char buf_dbg[64 + 1]; |
453 | struct tas_pkt pkt_in; |
454 | struct tas_pkt pkt_out; |
455 | struct timeval *timeout = NULL; |
456 | struct timeval tout; |
1cb2822f |
457 | int i, ret; |
458 | int fd; |
459 | |
460 | for (i = 1; i < argc; i++) { |
f20de073 |
461 | if (argv[i][0] == '-') { |
61172125 |
462 | switch (argv[i][1] | (argv[i][2] << 8)) { |
463 | case 'm': |
464 | i++; |
465 | if (argv[i] == NULL) |
466 | missing_arg(i); |
467 | tasfn = argv[i]; |
468 | continue; |
469 | case 's': |
470 | i++; |
471 | if (argv[i] == NULL) |
472 | missing_arg(i); |
473 | tas_skip = atoi(argv[i]); |
474 | continue; |
475 | default: |
f20de073 |
476 | fprintf(stderr, "bad arg: %s\n", argv[i]); |
477 | return 1; |
478 | } |
f20de073 |
479 | } |
1cb2822f |
480 | if (evdev_fd_cnt >= ARRAY_SIZE(evdev_fds)) { |
481 | fprintf(stderr, "too many evdevs\n"); |
482 | break; |
483 | } |
f20de073 |
484 | fd = open(argv[i], O_RDONLY); |
1cb2822f |
485 | if (fd == -1) { |
486 | fprintf(stderr, "open %s: ", argv[i]); |
487 | perror(""); |
488 | continue; |
489 | } |
490 | evdev_support = 0; |
f20de073 |
491 | ret = ioctl(fd, EVIOCGBIT(0, sizeof(evdev_support)), |
1cb2822f |
492 | &evdev_support); |
493 | if (ret < 0) |
494 | perror("EVIOCGBIT"); |
495 | if (!(evdev_support & (1 << EV_KEY))) { |
496 | fprintf(stderr, "%s doesn't have keys\n", argv[i]); |
497 | close(fd); |
498 | continue; |
499 | } |
500 | evdev_fds[evdev_fd_cnt++] = fd; |
501 | } |
932302ef |
502 | |
f20de073 |
503 | if (tasfn != NULL) { |
504 | long size; |
505 | FILE *f; |
506 | |
507 | f = fopen(tasfn, "rb"); |
508 | if (f == NULL) { |
509 | fprintf(stderr, "fopen %s: ", tasfn); |
510 | perror(""); |
511 | return 1; |
512 | } |
513 | |
514 | fseek(f, 0, SEEK_END); |
515 | size = ftell(f); |
516 | fseek(f, 0, SEEK_SET); |
517 | if (size < (long)sizeof(*gmv)) { |
518 | fprintf(stderr, "bad gmv size: %ld\n", size); |
519 | return 1; |
520 | } |
521 | gmv = malloc(size); |
522 | if (gmv == NULL) { |
523 | fprintf(stderr, "OOM?\n"); |
524 | return 1; |
525 | } |
526 | ret = fread(gmv, 1, size, f); |
527 | if (ret != size) { |
528 | fprintf(stderr, "fread %d/%ld: ", ret, size); |
529 | perror(""); |
530 | return 1; |
531 | } |
532 | fclose(f); |
61172125 |
533 | frame_count = (size - sizeof(*gmv)) / sizeof(gmv->data[0]); |
f20de073 |
534 | |
535 | /* check the GMV.. */ |
536 | if (frame_count <= 0 || size != sizeof(*gmv) + frame_count * 3) { |
537 | fprintf(stderr, "broken gmv? frames=%d\n", frame_count); |
538 | return 1; |
539 | } |
540 | |
541 | if (strncmp(gmv->sig, "Gens Movie TEST", 15) != 0) { |
542 | fprintf(stderr, "bad GMV sig\n"); |
543 | return 1; |
544 | } |
545 | if (gmv->ctrl1 != '3') { |
546 | fprintf(stderr, "unhandled controlled config: '%c'\n", gmv->ctrl1); |
547 | //return 1; |
548 | } |
549 | if (gmv->ver >= 'A') { |
550 | if (gmv->flags & 0x40) { |
551 | fprintf(stderr, "unhandled flag: movie requires a savestate\n"); |
552 | return 1; |
553 | } |
554 | if (gmv->flags & 0x20) { |
555 | fprintf(stderr, "unhandled flag: 3-player movie\n"); |
556 | return 1; |
557 | } |
558 | if (gmv->flags & ~0x80) { |
559 | fprintf(stderr, "unhandled flag(s): %04x\n", gmv->flags); |
560 | //return 1; |
561 | } |
562 | } |
563 | gmv->name[39] = 0; |
564 | printf("loaded GMV: %s\n", gmv->name); |
565 | printf("%d frames, %u rerecords\n", |
566 | frame_count, gmv->rerecord_count); |
61172125 |
567 | |
568 | if (tas_skip != 0) { |
569 | if (tas_skip >= frame_count || tas_skip <= -frame_count) { |
570 | printf("skip out of range: %d/%d\n", tas_skip, frame_count); |
571 | return 1; |
572 | } |
573 | if (tas_skip > 0) { |
574 | frame_count -= tas_skip; |
575 | memmove(&gmv->data[0], &gmv->data[tas_skip], |
576 | sizeof(gmv->data[0]) * frame_count); |
577 | } |
578 | else { |
579 | gmv = realloc(gmv, sizeof(*gmv) |
580 | + (frame_count - tas_skip) * sizeof(gmv->data[0])); |
581 | if (gmv == NULL) { |
582 | fprintf(stderr, "OOM?\n"); |
583 | return 1; |
584 | } |
585 | memmove(&gmv->data[-tas_skip], &gmv->data[0], |
586 | sizeof(gmv->data[0]) * frame_count); |
587 | memset(&gmv->data[0], 0xff, sizeof(gmv->data[0]) * -tas_skip); |
588 | frame_count -= tas_skip; |
589 | } |
590 | } |
f20de073 |
591 | } |
592 | |
f359b935 |
593 | enable_echo(0); |
594 | signal(SIGINT, signal_handler); |
595 | |
932302ef |
596 | dev.fd = -1; |
597 | |
598 | while (1) |
599 | { |
600 | if (dev.fd == -1) { |
601 | ret = find_device(&dev, 0x16C0, 0x0486); |
602 | if (ret < 0) |
f359b935 |
603 | break; |
932302ef |
604 | |
605 | if (ret == 0) { |
606 | if (!wait_device) { |
607 | printf("waiting for device..\n"); |
608 | wait_device = 1; |
609 | } |
610 | usleep(250000); |
611 | continue; |
612 | } |
613 | |
614 | wait_device = 0; |
615 | data_in_sent = 0; |
616 | dbg_in_sent = 0; |
f20de073 |
617 | enable_sent = 0; |
618 | frames_sent = 0; |
619 | |
620 | /* we wait first, then send commands, but if teensy |
621 | * is started already, it won't send anything */ |
622 | tout.tv_sec = 1; |
623 | tout.tv_usec = 0; |
624 | timeout = &tout; |
932302ef |
625 | } |
626 | |
627 | if (!data_in_sent) { |
f20de073 |
628 | memset(&pkt_in, 0, sizeof(pkt_in)); |
629 | ret = submit_urb(dev.fd, &urb[URB_DATA_IN], dev.ifaces[0].ep_in, |
630 | &pkt_in, sizeof(pkt_in)); |
932302ef |
631 | if (ret != 0) { |
632 | perror("USBDEVFS_SUBMITURB URB_DATA_IN"); |
f359b935 |
633 | break; |
932302ef |
634 | } |
f20de073 |
635 | |
932302ef |
636 | data_in_sent = 1; |
637 | } |
638 | if (!dbg_in_sent) { |
f20de073 |
639 | ret = submit_urb(dev.fd, &urb[URB_DBG_IN], dev.ifaces[1].ep_in, |
640 | buf_dbg, sizeof(buf_dbg) - 1); |
932302ef |
641 | if (ret != 0) { |
642 | perror("USBDEVFS_SUBMITURB URB_DBG_IN"); |
f359b935 |
643 | break; |
932302ef |
644 | } |
f20de073 |
645 | |
932302ef |
646 | dbg_in_sent = 1; |
647 | } |
648 | |
1cb2822f |
649 | FD_ZERO(&rfds); |
650 | for (i = 0; i < evdev_fd_cnt; i++) |
651 | FD_SET(evdev_fds[i], &rfds); |
652 | |
932302ef |
653 | FD_ZERO(&wfds); |
654 | FD_SET(dev.fd, &wfds); |
655 | |
f20de073 |
656 | ret = select(dev.fd + 1, &rfds, &wfds, NULL, timeout); |
932302ef |
657 | if (ret < 0) { |
658 | perror("select"); |
f359b935 |
659 | break; |
932302ef |
660 | } |
f20de073 |
661 | timeout = NULL; |
932302ef |
662 | |
1cb2822f |
663 | /* something from input devices? */ |
664 | fixed_input_changed = 0; |
665 | for (i = 0; i < evdev_fd_cnt; i++) { |
666 | if (FD_ISSET(evdev_fds[i], &rfds)) { |
667 | fixed_input_changed |= |
668 | do_evdev_input(evdev_fds[i]); |
669 | } |
670 | } |
671 | |
672 | /* something from USB? */ |
f20de073 |
673 | if (FD_ISSET(dev.fd, &wfds)) |
674 | { |
932302ef |
675 | reaped_urb = NULL; |
676 | ret = ioctl(dev.fd, USBDEVFS_REAPURB, &reaped_urb); |
677 | if (ret != 0) { |
678 | if (errno == ENODEV) |
679 | goto dev_close; |
680 | perror("USBDEVFS_REAPURB"); |
f359b935 |
681 | break; |
932302ef |
682 | } |
683 | |
684 | if (reaped_urb != NULL && reaped_urb->status != 0) { |
685 | errno = -reaped_urb->status; |
f20de073 |
686 | if ((unsigned long)(reaped_urb - urb) < ARRAY_SIZE(urb)) |
687 | fprintf(stderr, "urb #%zu: ", reaped_urb - urb); |
688 | else |
689 | fprintf(stderr, "unknown urb: "); |
690 | perror(""); |
932302ef |
691 | if (reaped_urb->status == -EILSEQ) { |
692 | /* this is usually a sign of disconnect.. */ |
693 | usleep(250000); |
694 | goto dev_close; |
695 | } |
696 | } |
697 | |
698 | if (reaped_urb == &urb[URB_DATA_IN]) { |
f20de073 |
699 | /* some request from teensy */ |
700 | int count; |
701 | uint8_t b; |
702 | |
703 | switch (pkt_in.type) { |
704 | case PKT_STREAM_REQ: |
705 | printf("%d/%d\n", frames_sent, frame_count); |
706 | |
707 | for (i = 0; i < sizeof(pkt_out.data); i++) { |
708 | pkt_out.data[i * 2 + 0] = 0x33; |
709 | pkt_out.data[i * 2 + 1] = 0x3f; |
710 | } |
711 | if (frames_sent < frame_count) { |
712 | pkt_out.type = PKT_STREAM_DATA; |
713 | |
714 | count = frame_count - frames_sent; |
715 | if (count > sizeof(pkt_out.data) / 2) |
716 | count = sizeof(pkt_out.data) / 2; |
717 | for (i = 0; i < count; i++) { |
718 | /* SCBA RLDU */ |
719 | b = gmv->data[frames_sent][0]; |
720 | |
721 | /* ?0SA 00DU, ?1CB RLDU */ |
722 | pkt_out.data[i * 2 + 0] = (b & 0x13) | ((b >> 2) & 0x20); |
723 | pkt_out.data[i * 2 + 1] = (b & 0x0f) | ((b >> 1) & 0x30); |
724 | |
725 | if (gmv->data[frames_sent][1] != 0xff |
726 | || gmv->data[frames_sent][2] != 0xff) |
727 | { |
728 | fprintf(stderr, "f %d: unhandled byte(s) %02x %02x\n", |
729 | frames_sent, gmv->data[frames_sent][1], |
730 | gmv->data[frames_sent][2]); |
731 | } |
732 | |
733 | frames_sent++; |
734 | } |
735 | } |
736 | else |
737 | pkt_out.type = PKT_STREAM_END; |
738 | |
739 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], |
740 | dev.ifaces[0].ep_out, &pkt_out, sizeof(pkt_out)); |
741 | if (ret != 0) |
742 | perror("USBDEVFS_SUBMITURB URB_DATA_OUT PKT_STREAM_DATA"); |
743 | break; |
744 | |
745 | default: |
746 | printf("host: got unknown pkt type: %04x\n", pkt_in.type); |
747 | break; |
748 | } |
749 | |
932302ef |
750 | data_in_sent = 0; |
751 | } |
f20de073 |
752 | else if (reaped_urb == &urb[URB_DATA_OUT]) { |
1cb2822f |
753 | } |
932302ef |
754 | else if (reaped_urb == &urb[URB_DBG_IN]) { |
755 | /* debug text */ |
756 | buf_dbg[reaped_urb->actual_length] = 0; |
757 | printf("%s", buf_dbg); |
758 | dbg_in_sent = 0; |
759 | } |
760 | else { |
f20de073 |
761 | fprintf(stderr, "reaped unknown urb? %p #%zu\n", |
762 | reaped_urb, reaped_urb - urb); |
932302ef |
763 | } |
764 | } |
1cb2822f |
765 | |
766 | /* something to send? */ |
f20de073 |
767 | if (gmv != NULL && !enable_sent) { |
768 | memset(&pkt_out, 0, sizeof(pkt_out)); |
769 | pkt_out.type = PKT_STREAM_ENABLE; |
770 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, |
771 | &pkt_out, sizeof(pkt_out)); |
772 | if (ret != 0) { |
773 | perror("USBDEVFS_SUBMITURB PKT_STREAM_ENABLE"); |
774 | continue; |
775 | } |
776 | enable_sent = 1; |
777 | } |
778 | if (gmv == NULL && fixed_input_changed) { |
779 | memset(&pkt_out, 0, sizeof(pkt_out)); |
780 | pkt_out.type = PKT_FIXED_STATE; |
781 | memcpy(pkt_out.data, fixed_input_state, sizeof(fixed_input_state)); |
1cb2822f |
782 | |
f20de073 |
783 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, |
784 | &pkt_out, sizeof(pkt_out)); |
1cb2822f |
785 | if (ret != 0) { |
786 | perror("USBDEVFS_SUBMITURB URB_DATA_OUT"); |
f359b935 |
787 | break; |
1cb2822f |
788 | } |
789 | } |
790 | |
932302ef |
791 | continue; |
792 | |
793 | dev_close: |
794 | close(dev.fd); |
795 | dev.fd = -1; |
796 | } |
797 | |
f359b935 |
798 | enable_echo(1); |
799 | |
800 | return ret; |
932302ef |
801 | } |
802 | |
803 | // vim: ts=2:sw=2:expandtab |