| 1 | /* |
| 2 | * TeensyTAS, TAS input player for MegaDrive |
| 3 | * Copyright (c) 2014 notaz |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | * "Software"), to deal in the Software without restriction, including |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
| 9 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | * permit persons to whom the Software is furnished to do so, subject to |
| 11 | * the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be |
| 14 | * included in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 19 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 20 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 21 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | * SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | #include <stdlib.h> |
| 28 | #include <string.h> |
| 29 | #include <stdint.h> |
| 30 | #include <sys/types.h> |
| 31 | #include <sys/stat.h> |
| 32 | #include <fcntl.h> |
| 33 | #include <sys/ioctl.h> |
| 34 | #include <sys/select.h> |
| 35 | #include <unistd.h> |
| 36 | #include <dirent.h> |
| 37 | #include <signal.h> |
| 38 | #include <termios.h> |
| 39 | #include <errno.h> |
| 40 | #include <linux/usbdevice_fs.h> |
| 41 | #include <linux/usb/ch9.h> |
| 42 | #include <linux/input.h> |
| 43 | #include "../pkts.h" |
| 44 | |
| 45 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) |
| 46 | |
| 47 | struct teensy_dev { |
| 48 | int fd; |
| 49 | struct { |
| 50 | int ep_in; |
| 51 | int ep_out; |
| 52 | } ifaces[2]; |
| 53 | }; |
| 54 | |
| 55 | /* return 1 if founf, 0 if not, < 0 on error */ |
| 56 | static int find_device(struct teensy_dev *dev, |
| 57 | uint16_t vendor, uint16_t product) |
| 58 | { |
| 59 | const char path_root[] = "/dev/bus/usb"; |
| 60 | union { |
| 61 | struct usb_descriptor_header hdr; |
| 62 | struct usb_device_descriptor d; |
| 63 | struct usb_config_descriptor c; |
| 64 | struct usb_interface_descriptor i; |
| 65 | struct usb_endpoint_descriptor e; |
| 66 | char space[0x100]; /* enough? */ |
| 67 | } desc; |
| 68 | char path_bus[256], path_dev[256]; |
| 69 | struct dirent *ent, *ent_bus; |
| 70 | DIR *dir = NULL, *dir_bus = NULL; |
| 71 | int num, fd = -1; |
| 72 | int iface = -1; |
| 73 | int retval = -1; |
| 74 | int ret; |
| 75 | |
| 76 | memset(dev, 0xff, sizeof(*dev)); |
| 77 | |
| 78 | dir = opendir(path_root); |
| 79 | if (dir == NULL) { |
| 80 | perror("opendir"); |
| 81 | return -1; |
| 82 | } |
| 83 | |
| 84 | for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) { |
| 85 | /* should be a number like 000 */ |
| 86 | if (sscanf(ent->d_name, "%03d", &num) != 1) |
| 87 | continue; |
| 88 | |
| 89 | snprintf(path_bus, sizeof(path_bus), "%s/%s", |
| 90 | path_root, ent->d_name); |
| 91 | |
| 92 | dir_bus = opendir(path_bus); |
| 93 | if (dir_bus == NULL) |
| 94 | continue; |
| 95 | |
| 96 | ent_bus = readdir(dir_bus); |
| 97 | for (; ent_bus != NULL; ent_bus = readdir(dir_bus)) { |
| 98 | if (sscanf(ent->d_name, "%03d", &num) != 1) |
| 99 | continue; |
| 100 | |
| 101 | snprintf(path_dev, sizeof(path_dev), "%s/%s/%s", |
| 102 | path_root, ent->d_name, ent_bus->d_name); |
| 103 | |
| 104 | fd = open(path_dev, O_RDWR); |
| 105 | if (fd == -1) |
| 106 | continue; |
| 107 | |
| 108 | ret = read(fd, &desc.d, sizeof(desc.d)); |
| 109 | if (ret != sizeof(desc.d)) { |
| 110 | fprintf(stderr, "desc read: %d/%zd: ", ret, sizeof(desc.d)); |
| 111 | perror(""); |
| 112 | goto next; |
| 113 | } |
| 114 | |
| 115 | if (desc.d.bDescriptorType != USB_DT_DEVICE) { |
| 116 | fprintf(stderr, "%s: bad DT: 0x%02x\n", |
| 117 | path_dev, desc.d.bDescriptorType); |
| 118 | goto next; |
| 119 | } |
| 120 | |
| 121 | if (desc.d.idVendor == vendor && desc.d.idProduct == product) |
| 122 | goto found; |
| 123 | |
| 124 | next: |
| 125 | close(fd); |
| 126 | fd = -1; |
| 127 | } |
| 128 | |
| 129 | closedir(dir_bus); |
| 130 | dir_bus = NULL; |
| 131 | } |
| 132 | |
| 133 | /* not found */ |
| 134 | retval = 0; |
| 135 | goto out; |
| 136 | |
| 137 | found: |
| 138 | if (desc.d.bNumConfigurations != 1) { |
| 139 | fprintf(stderr, "unexpected bNumConfigurations: %u\n", |
| 140 | desc.d.bNumConfigurations); |
| 141 | goto out; |
| 142 | } |
| 143 | |
| 144 | /* walk through all descriptors */ |
| 145 | while (1) |
| 146 | { |
| 147 | ret = read(fd, &desc.hdr, sizeof(desc.hdr)); |
| 148 | if (ret == 0) |
| 149 | break; |
| 150 | if (ret != sizeof(desc.hdr)) { |
| 151 | fprintf(stderr, "desc.hdr read: %d/%zd: ", ret, sizeof(desc.hdr)); |
| 152 | perror(""); |
| 153 | break; |
| 154 | } |
| 155 | |
| 156 | ret = (int)lseek(fd, -sizeof(desc.hdr), SEEK_CUR); |
| 157 | if (ret == -1) { |
| 158 | perror("lseek"); |
| 159 | break; |
| 160 | } |
| 161 | |
| 162 | ret = read(fd, &desc, desc.hdr.bLength); |
| 163 | if (ret != desc.hdr.bLength) { |
| 164 | fprintf(stderr, "desc read: %d/%u: ", ret, desc.hdr.bLength); |
| 165 | perror(""); |
| 166 | break; |
| 167 | } |
| 168 | |
| 169 | switch (desc.hdr.bDescriptorType) { |
| 170 | case USB_DT_CONFIG: |
| 171 | if (desc.c.bNumInterfaces != 2) { |
| 172 | fprintf(stderr, "unexpected bNumInterfaces: %u\n", |
| 173 | desc.c.bNumInterfaces); |
| 174 | goto out; |
| 175 | } |
| 176 | break; |
| 177 | |
| 178 | case USB_DT_INTERFACE: |
| 179 | if (desc.i.bInterfaceClass != USB_CLASS_HID |
| 180 | || desc.i.bInterfaceSubClass != 0 |
| 181 | || desc.i.bInterfaceProtocol != 0) { |
| 182 | fprintf(stderr, "unexpected interface %x:%x:%x\n", |
| 183 | desc.i.bInterfaceClass, desc.i.bInterfaceSubClass, |
| 184 | desc.i.bInterfaceProtocol); |
| 185 | goto out; |
| 186 | } |
| 187 | if (desc.i.bNumEndpoints != 2) { |
| 188 | fprintf(stderr, "unexpected bNumEndpoints: %u\n", |
| 189 | desc.i.bNumEndpoints); |
| 190 | goto out; |
| 191 | } |
| 192 | iface++; |
| 193 | break; |
| 194 | |
| 195 | case USB_DT_ENDPOINT: |
| 196 | if (iface < 0 || iface >= ARRAY_SIZE(dev->ifaces)) { |
| 197 | fprintf(stderr, "bad iface: %d\n", iface); |
| 198 | goto out; |
| 199 | } |
| 200 | if (desc.e.wMaxPacketSize != 64 && desc.e.wMaxPacketSize != 32) { |
| 201 | fprintf(stderr, "iface %d, EP %02x: " |
| 202 | "unexpected wMaxPacketSize: %u\n", |
| 203 | iface, desc.e.bEndpointAddress, desc.e.wMaxPacketSize); |
| 204 | goto out; |
| 205 | } |
| 206 | if (desc.e.bEndpointAddress & 0x80) |
| 207 | dev->ifaces[iface].ep_in = desc.e.bEndpointAddress; // & 0x7F; |
| 208 | else |
| 209 | dev->ifaces[iface].ep_out = desc.e.bEndpointAddress; |
| 210 | break; |
| 211 | |
| 212 | case 0x21: |
| 213 | /* ignore */ |
| 214 | break; |
| 215 | |
| 216 | default: |
| 217 | fprintf(stderr, "skipping desc 0x%02x\n", |
| 218 | desc.hdr.bDescriptorType); |
| 219 | break; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | /* claim interfaces */ |
| 224 | for (iface = 0; iface < ARRAY_SIZE(dev->ifaces); iface++) { |
| 225 | struct usbdevfs_ioctl usbio; |
| 226 | |
| 227 | if (dev->ifaces[iface].ep_in == -1) { |
| 228 | fprintf(stderr, "missing ep_in, iface: %d\n", iface); |
| 229 | goto out; |
| 230 | } |
| 231 | if (dev->ifaces[iface].ep_out == -1) { |
| 232 | fprintf(stderr, "missing ep_out, iface: %d\n", iface); |
| 233 | goto out; |
| 234 | } |
| 235 | |
| 236 | /* disconnect default driver */ |
| 237 | memset(&usbio, 0, sizeof(usbio)); |
| 238 | usbio.ifno = iface; |
| 239 | usbio.ioctl_code = USBDEVFS_DISCONNECT; |
| 240 | ret = ioctl(fd, USBDEVFS_IOCTL, &usbio); |
| 241 | if (ret != 0 && errno != ENODATA) |
| 242 | perror("USBDEVFS_DISCONNECT"); |
| 243 | |
| 244 | ret = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &iface); |
| 245 | if (ret != 0) |
| 246 | perror("USBDEVFS_CLAIMINTERFACE"); |
| 247 | } |
| 248 | |
| 249 | dev->fd = fd; |
| 250 | fd = -1; |
| 251 | retval = 1; |
| 252 | |
| 253 | out: |
| 254 | if (fd != -1) |
| 255 | close(fd); |
| 256 | if (dir_bus != NULL) |
| 257 | closedir(dir_bus); |
| 258 | if (dir != NULL) |
| 259 | closedir(dir); |
| 260 | |
| 261 | return retval; |
| 262 | } |
| 263 | |
| 264 | static int enable_echo(int enable) |
| 265 | { |
| 266 | const char *portname = "/dev/tty"; |
| 267 | struct termios tty; |
| 268 | int retval = -1; |
| 269 | int ret; |
| 270 | int fd; |
| 271 | |
| 272 | memset(&tty, 0, sizeof(tty)); |
| 273 | |
| 274 | fd = open(portname, O_RDWR | O_NOCTTY | O_SYNC); |
| 275 | if (fd < 0) { |
| 276 | fprintf(stderr, "open %s: ", portname); |
| 277 | perror(""); |
| 278 | return 1; |
| 279 | } |
| 280 | |
| 281 | ret = tcgetattr(fd, &tty); |
| 282 | if (ret != 0) { |
| 283 | perror("tcgetattr"); |
| 284 | goto out; |
| 285 | } |
| 286 | |
| 287 | // printf("lflag: 0%o\n", tty.c_lflag); |
| 288 | if (enable) |
| 289 | tty.c_lflag |= ECHO | ICANON; |
| 290 | else { |
| 291 | tty.c_lflag &= ~(ECHO | ICANON); |
| 292 | tty.c_cc[VMIN] = tty.c_cc[VTIME] = 0; |
| 293 | } |
| 294 | |
| 295 | ret = tcsetattr(fd, TCSANOW, &tty); |
| 296 | if (ret != 0) { |
| 297 | perror("tcsetattr"); |
| 298 | goto out; |
| 299 | } |
| 300 | |
| 301 | retval = 0; |
| 302 | out: |
| 303 | close(fd); |
| 304 | |
| 305 | return retval; |
| 306 | } |
| 307 | |
| 308 | static int g_exit; |
| 309 | |
| 310 | static void signal_handler(int sig) |
| 311 | { |
| 312 | g_exit = 1; |
| 313 | signal(sig, SIG_DFL); |
| 314 | } |
| 315 | |
| 316 | /* ?0SA 00DU, ?1CB RLDU */ |
| 317 | #define STATE_BYTES 2 |
| 318 | |
| 319 | static uint8_t fixed_input_state[STATE_BYTES] = { 0x33, 0x3f }; |
| 320 | |
| 321 | enum mdbtn { |
| 322 | MDBTN_UP = 1, |
| 323 | MDBTN_DOWN, |
| 324 | MDBTN_LEFT, |
| 325 | MDBTN_RIGHT, |
| 326 | MDBTN_A, |
| 327 | MDBTN_B, |
| 328 | MDBTN_C, |
| 329 | MDBTN_START, |
| 330 | }; |
| 331 | |
| 332 | static const enum mdbtn evdev_md_map[KEY_CNT] = { |
| 333 | [KEY_UP] = MDBTN_UP, |
| 334 | [KEY_DOWN] = MDBTN_DOWN, |
| 335 | [KEY_LEFT] = MDBTN_LEFT, |
| 336 | [KEY_RIGHT] = MDBTN_RIGHT, |
| 337 | [KEY_HOME] = MDBTN_A, |
| 338 | [KEY_PAGEDOWN] = MDBTN_B, |
| 339 | [KEY_END] = MDBTN_C, |
| 340 | [KEY_LEFTALT] = MDBTN_START, |
| 341 | }; |
| 342 | |
| 343 | int do_evdev_input(int fd) |
| 344 | { |
| 345 | uint8_t old_state[STATE_BYTES]; |
| 346 | uint8_t changed_bits[STATE_BYTES] = { 0, }; |
| 347 | struct input_event ev; |
| 348 | enum mdbtn mdbtn; |
| 349 | int i, ret; |
| 350 | |
| 351 | ret = read(fd, &ev, sizeof(ev)); |
| 352 | if (ret != sizeof(ev)) { |
| 353 | fprintf(stderr, "evdev read %d/%zd: ", ret, sizeof(ev)); |
| 354 | perror(""); |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | if (ev.type != EV_KEY) |
| 359 | return 0; |
| 360 | |
| 361 | if (ev.value != 0 && ev.value != 1) |
| 362 | return 0; |
| 363 | |
| 364 | if ((uint32_t)ev.code >= ARRAY_SIZE(evdev_md_map)) { |
| 365 | fprintf(stderr, "evdev read bad key: %u\n", ev.code); |
| 366 | return 0; |
| 367 | } |
| 368 | |
| 369 | mdbtn = evdev_md_map[ev.code]; |
| 370 | if (mdbtn == 0) |
| 371 | return 0; |
| 372 | |
| 373 | memcpy(old_state, fixed_input_state, STATE_BYTES); |
| 374 | |
| 375 | /* ?0SA 00DU, ?1CB RLDU */ |
| 376 | switch (mdbtn) { |
| 377 | case MDBTN_UP: |
| 378 | changed_bits[0] = 0x01; |
| 379 | changed_bits[1] = 0x01; |
| 380 | break; |
| 381 | case MDBTN_DOWN: |
| 382 | changed_bits[0] = 0x02; |
| 383 | changed_bits[1] = 0x02; |
| 384 | break; |
| 385 | case MDBTN_LEFT: |
| 386 | changed_bits[0] = 0x00; |
| 387 | changed_bits[1] = 0x04; |
| 388 | break; |
| 389 | case MDBTN_RIGHT: |
| 390 | changed_bits[0] = 0x00; |
| 391 | changed_bits[1] = 0x08; |
| 392 | break; |
| 393 | case MDBTN_A: |
| 394 | changed_bits[0] = 0x10; |
| 395 | changed_bits[1] = 0x00; |
| 396 | break; |
| 397 | case MDBTN_B: |
| 398 | changed_bits[0] = 0x00; |
| 399 | changed_bits[1] = 0x10; |
| 400 | break; |
| 401 | case MDBTN_C: |
| 402 | changed_bits[0] = 0x00; |
| 403 | changed_bits[1] = 0x20; |
| 404 | break; |
| 405 | case MDBTN_START: |
| 406 | changed_bits[0] = 0x20; |
| 407 | changed_bits[1] = 0x00; |
| 408 | break; |
| 409 | } |
| 410 | |
| 411 | if (ev.value) { |
| 412 | // key press |
| 413 | for (i = 0; i < STATE_BYTES; i++) |
| 414 | fixed_input_state[i] &= ~changed_bits[i]; |
| 415 | } |
| 416 | else { |
| 417 | // key release |
| 418 | for (i = 0; i < STATE_BYTES; i++) |
| 419 | fixed_input_state[i] |= changed_bits[i]; |
| 420 | } |
| 421 | |
| 422 | return memcmp(old_state, fixed_input_state, STATE_BYTES) ? 1 : 0; |
| 423 | } |
| 424 | |
| 425 | #define MAX_INPUT_BYTES 2 |
| 426 | |
| 427 | // TODO: 6btn |
| 428 | static int tas_data_to_teensy(uint16_t b, uint8_t *data, FILE *logf) |
| 429 | { |
| 430 | uint8_t t; |
| 431 | |
| 432 | /* SCBA RLDU */ |
| 433 | /* v */ |
| 434 | /* ?0SA 00DU, ?1CB RLDU */ |
| 435 | data[0] = (b & 0x13) | ((b >> 2) & 0x20); |
| 436 | data[1] = (b & 0x0f) | ((b >> 1) & 0x30); |
| 437 | |
| 438 | if (logf != NULL) { |
| 439 | fwrite(&data[0], 1, 1, logf); |
| 440 | t = data[1] | 0x40; // expected TH |
| 441 | fwrite(&t, 1, 1, logf); |
| 442 | } |
| 443 | |
| 444 | return 2; |
| 445 | } |
| 446 | |
| 447 | struct gmv_tas { |
| 448 | char sig[15]; |
| 449 | char ver; |
| 450 | uint32_t rerecord_count; |
| 451 | char ctrl1; |
| 452 | char ctrl2; |
| 453 | uint16_t flags; |
| 454 | char name[40]; |
| 455 | uint8_t data[0][3]; |
| 456 | }; |
| 457 | |
| 458 | static uint8_t *import_gmv(FILE *f, long size, int *byte_count, FILE *logf) |
| 459 | { |
| 460 | struct gmv_tas *gmv; |
| 461 | int frame_count; |
| 462 | int count = 0; |
| 463 | uint16_t val; |
| 464 | uint8_t *out; |
| 465 | int ret; |
| 466 | int i; |
| 467 | |
| 468 | *byte_count = 0; |
| 469 | |
| 470 | if (size < (long)sizeof(*gmv)) { |
| 471 | fprintf(stderr, "bad gmv size: %ld\n", size); |
| 472 | return NULL; |
| 473 | } |
| 474 | |
| 475 | gmv = malloc(size); |
| 476 | if (gmv == NULL) { |
| 477 | fprintf(stderr, "OOM?\n"); |
| 478 | return NULL; |
| 479 | } |
| 480 | ret = fread(gmv, 1, size, f); |
| 481 | if (ret != size) { |
| 482 | fprintf(stderr, "fread %d/%ld: ", ret, size); |
| 483 | perror(""); |
| 484 | return NULL; |
| 485 | } |
| 486 | |
| 487 | frame_count = (size - sizeof(*gmv)) / sizeof(gmv->data[0]); |
| 488 | |
| 489 | /* check the GMV.. */ |
| 490 | if (frame_count <= 0 || size != sizeof(*gmv) + frame_count * 3) { |
| 491 | fprintf(stderr, "broken gmv? frames=%d\n", frame_count); |
| 492 | return NULL; |
| 493 | } |
| 494 | |
| 495 | if (strncmp(gmv->sig, "Gens Movie TEST", 15) != 0) { |
| 496 | fprintf(stderr, "bad GMV sig\n"); |
| 497 | return NULL; |
| 498 | } |
| 499 | if (gmv->ctrl1 != '3') { |
| 500 | fprintf(stderr, "unhandled controlled config: '%c'\n", gmv->ctrl1); |
| 501 | //return NULL; |
| 502 | } |
| 503 | if (gmv->ver >= 'A') { |
| 504 | if (gmv->flags & 0x40) { |
| 505 | fprintf(stderr, "unhandled flag: movie requires a savestate\n"); |
| 506 | return NULL; |
| 507 | } |
| 508 | if (gmv->flags & 0x20) { |
| 509 | fprintf(stderr, "unhandled flag: 3-player movie\n"); |
| 510 | return NULL; |
| 511 | } |
| 512 | if (gmv->flags & ~0x80) { |
| 513 | //fprintf(stderr, "unhandled flag(s): %04x\n", gmv->flags); |
| 514 | //return 1; |
| 515 | } |
| 516 | } |
| 517 | gmv->name[39] = 0; |
| 518 | printf("loaded GMV: %s\n", gmv->name); |
| 519 | printf("%d frames, %u rerecords\n", |
| 520 | frame_count, gmv->rerecord_count); |
| 521 | |
| 522 | out = malloc(frame_count * MAX_INPUT_BYTES); |
| 523 | if (out == NULL) { |
| 524 | fprintf(stderr, "OOM?\n"); |
| 525 | return NULL; |
| 526 | } |
| 527 | |
| 528 | for (i = 0; i < frame_count; i++) { |
| 529 | val = gmv->data[i][0] | ((gmv->data[i][2] & 0x0f) << 8); |
| 530 | count += tas_data_to_teensy(val, out + count, logf); |
| 531 | |
| 532 | if (gmv->data[i][1] != 0xff || gmv->data[i][2] != 0xff) |
| 533 | { |
| 534 | fprintf(stderr, "f %d: unhandled byte(s) %02x %02x\n", |
| 535 | i, gmv->data[i][1], gmv->data[i][2]); |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | *byte_count = count; |
| 540 | return out; |
| 541 | } |
| 542 | |
| 543 | static int do_bkm_char(char c, char expect, uint16_t *val, int bit) |
| 544 | { |
| 545 | if (c == expect) { |
| 546 | *val &= ~(1 << bit); |
| 547 | return 0; |
| 548 | } |
| 549 | if (c == '.') |
| 550 | return 0; |
| 551 | |
| 552 | fprintf(stderr, "unexpected bkm char: '%c' instead of '%c'\n", |
| 553 | c, expect); |
| 554 | return 1; |
| 555 | } |
| 556 | |
| 557 | static uint8_t *import_bkm(FILE *f, int *byte_count, FILE *logf) |
| 558 | { |
| 559 | uint8_t *out = NULL; |
| 560 | uint16_t val; |
| 561 | int frames = 0; |
| 562 | int count = 0; |
| 563 | int alloc = 0; |
| 564 | int line = 0; |
| 565 | char buf[256]; |
| 566 | const char *r; |
| 567 | char *p; |
| 568 | int i; |
| 569 | |
| 570 | while ((p = fgets(buf, sizeof(buf), f)) != NULL) |
| 571 | { |
| 572 | line++; |
| 573 | if (p[0] != '|') |
| 574 | continue; |
| 575 | |
| 576 | if (strlen(p) < 30) |
| 577 | goto unhandled_line; |
| 578 | if (p[30] != '\r' && p[30] != '\n') |
| 579 | goto unhandled_line; |
| 580 | p[30] = 0; |
| 581 | |
| 582 | if (count >= alloc - MAX_INPUT_BYTES) { |
| 583 | alloc = alloc * 2 + 64; |
| 584 | out = realloc(out, alloc * sizeof(out[0])); |
| 585 | if (out == NULL) { |
| 586 | fprintf(stderr, "OOM?\n"); |
| 587 | return NULL; |
| 588 | } |
| 589 | } |
| 590 | |
| 591 | val = 0xfff; |
| 592 | |
| 593 | if (strncmp(p, "|.|", 3) != 0) |
| 594 | goto unhandled_line; |
| 595 | p += 3; |
| 596 | |
| 597 | const char ref[] = "UDLRABCS"; |
| 598 | for (r = ref, i = 0; *r != 0; p++, r++, i++) { |
| 599 | if (do_bkm_char(*p, *r, &val, i)) |
| 600 | goto unhandled_line; |
| 601 | } |
| 602 | |
| 603 | if (strcmp(p, "....|............||") != 0) |
| 604 | goto unhandled_line; |
| 605 | |
| 606 | count += tas_data_to_teensy(val, out + count, logf); |
| 607 | frames++; |
| 608 | continue; |
| 609 | |
| 610 | unhandled_line: |
| 611 | fprintf(stderr, "unhandled bkm line %d: '%s'\n", line, buf); |
| 612 | return NULL; |
| 613 | } |
| 614 | |
| 615 | printf("loaded bkm, %d frames, %d bytes\n", frames, count); |
| 616 | *byte_count = count; |
| 617 | return out; |
| 618 | } |
| 619 | |
| 620 | static uint8_t *import_raw(FILE *f, int *byte_count, FILE *logf) |
| 621 | { |
| 622 | uint8_t *out = NULL, val; |
| 623 | int count = 0; |
| 624 | int alloc = 0; |
| 625 | int line = 0; |
| 626 | int first = 1; |
| 627 | char buf[256]; |
| 628 | char *p; |
| 629 | int i; |
| 630 | |
| 631 | while ((p = fgets(buf, sizeof(buf), f)) != NULL) |
| 632 | { |
| 633 | line++; |
| 634 | if (p[0] == '#') |
| 635 | continue; |
| 636 | if (p[0] != 'e') { |
| 637 | printf("skipping: %s", p); |
| 638 | continue; |
| 639 | } |
| 640 | |
| 641 | val = 0; |
| 642 | p++; |
| 643 | for (i = 6; i >= 0; i--, p++) { |
| 644 | if (*p != '0' && *p != '1') |
| 645 | goto bad; |
| 646 | if (*p == '1') |
| 647 | val |= 1 << i; |
| 648 | } |
| 649 | if (*p != ' ') |
| 650 | goto bad; |
| 651 | |
| 652 | if (first && (val & 0x40)) |
| 653 | continue; // XXX.. |
| 654 | first = 0; |
| 655 | |
| 656 | if (count >= alloc) { |
| 657 | alloc = alloc * 2 + 64; |
| 658 | out = realloc(out, alloc * sizeof(out[0])); |
| 659 | if (out == NULL) { |
| 660 | fprintf(stderr, "OOM?\n"); |
| 661 | return NULL; |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | if (logf) |
| 666 | fwrite(&val, 1, 1, logf); |
| 667 | |
| 668 | out[count++] = val & 0x3f; |
| 669 | continue; |
| 670 | |
| 671 | bad: |
| 672 | fprintf(stderr, "bad raw line %d: '%s'\n", line, buf); |
| 673 | return NULL; |
| 674 | } |
| 675 | |
| 676 | printf("loaded raw, %d bytes\n", count); |
| 677 | *byte_count = count; |
| 678 | return out; |
| 679 | } |
| 680 | |
| 681 | static int write_bkm_frame(FILE *f, const uint8_t *data) |
| 682 | { |
| 683 | /* ?0SA 00DU, ?1CB RLDU */ |
| 684 | static const char ref[] = "UDLRABCSXYZM"; |
| 685 | static const char bits[] = { 0,1,2,3, 12,4,5,13, 16,16,16,16 }; |
| 686 | uint32_t idata[2]; |
| 687 | int p, i; |
| 688 | |
| 689 | if (f == NULL) { |
| 690 | fprintf(stderr, "%s called without outfile\n", __func__); |
| 691 | goto out; |
| 692 | } |
| 693 | |
| 694 | idata[0] = 0x10000 | (data[0] << 8) | data[1]; |
| 695 | idata[1] = ~0; |
| 696 | |
| 697 | fprintf(f, "|.|"); |
| 698 | for (p = 0; p < 2; p++) { |
| 699 | for (i = 0; i < 12; i++) |
| 700 | fprintf(f, "%c", (idata[p] & (1 << bits[i])) ? '.' : ref[i]); |
| 701 | fprintf(f, "|"); |
| 702 | } |
| 703 | fprintf(f, "|\n"); |
| 704 | |
| 705 | out: |
| 706 | return 2; |
| 707 | } |
| 708 | |
| 709 | static int submit_urb(int fd, struct usbdevfs_urb *urb, int ep, |
| 710 | void *buf, size_t buf_size) |
| 711 | { |
| 712 | memset(urb, 0, sizeof(*urb)); |
| 713 | urb->type = USBDEVFS_URB_TYPE_INTERRUPT; |
| 714 | urb->endpoint = ep; |
| 715 | urb->buffer = buf; |
| 716 | urb->buffer_length = buf_size; |
| 717 | |
| 718 | return ioctl(fd, USBDEVFS_SUBMITURB, urb); |
| 719 | } |
| 720 | |
| 721 | enum my_urbs { |
| 722 | URB_DATA_IN, |
| 723 | URB_DATA_OUT, |
| 724 | URB_DBG_IN, |
| 725 | URB_CNT |
| 726 | }; |
| 727 | |
| 728 | static void missing_arg(int a) |
| 729 | { |
| 730 | fprintf(stderr, "missing arg: %d\n", a); |
| 731 | exit(1); |
| 732 | } |
| 733 | |
| 734 | int main(int argc, char *argv[]) |
| 735 | { |
| 736 | struct teensy_dev dev; |
| 737 | struct usbdevfs_urb urb[URB_CNT]; |
| 738 | struct usbdevfs_urb *reaped_urb; |
| 739 | int fixed_input_changed = 0; |
| 740 | int evdev_fds[16]; |
| 741 | int evdev_fd_cnt = 0; |
| 742 | int evdev_support; |
| 743 | int wait_device = 0; |
| 744 | int pending_urbs = 0; |
| 745 | fd_set rfds, wfds; |
| 746 | const char *tasfn = NULL; |
| 747 | const char *outfn = NULL; |
| 748 | const char *logfn = NULL; |
| 749 | uint8_t *tas_data = NULL; |
| 750 | int tas_data_size = 0; |
| 751 | int bytes_sent = 0; |
| 752 | int use_vsync = 0; // frame increment on vsync |
| 753 | int no_start_seq = 0; |
| 754 | int tas_skip = 0; |
| 755 | int enable_sent = 0; |
| 756 | int abort_sent = 0; |
| 757 | int frame_count = 0; |
| 758 | char buf_dbg[64 + 1]; |
| 759 | struct tas_pkt pkt_in; |
| 760 | struct tas_pkt pkt_out; |
| 761 | struct timeval *timeout = NULL; |
| 762 | struct timeval tout; |
| 763 | FILE *outf = NULL; |
| 764 | FILE *logf = NULL; |
| 765 | int i, ret = -1; |
| 766 | int fd; |
| 767 | |
| 768 | for (i = 1; i < argc; i++) { |
| 769 | if (argv[i][0] == '-') { |
| 770 | switch (argv[i][1] | (argv[i][2] << 8)) { |
| 771 | case 'm': |
| 772 | i++; |
| 773 | if (argv[i] == NULL) |
| 774 | missing_arg(i); |
| 775 | tasfn = argv[i]; |
| 776 | continue; |
| 777 | case 'w': |
| 778 | i++; |
| 779 | if (argv[i] == NULL) |
| 780 | missing_arg(i); |
| 781 | outfn = argv[i]; |
| 782 | continue; |
| 783 | case 'l': |
| 784 | i++; |
| 785 | if (argv[i] == NULL) |
| 786 | missing_arg(i); |
| 787 | logfn = argv[i]; |
| 788 | continue; |
| 789 | case 's': |
| 790 | i++; |
| 791 | if (argv[i] == NULL) |
| 792 | missing_arg(i); |
| 793 | tas_skip = atoi(argv[i]); |
| 794 | continue; |
| 795 | case 'v': |
| 796 | use_vsync = 1; |
| 797 | continue; |
| 798 | case 'n': |
| 799 | no_start_seq = 1; |
| 800 | continue; |
| 801 | default: |
| 802 | fprintf(stderr, "bad arg: %s\n", argv[i]); |
| 803 | return 1; |
| 804 | } |
| 805 | } |
| 806 | |
| 807 | /* remaining args are evdev filenames */ |
| 808 | if (evdev_fd_cnt >= ARRAY_SIZE(evdev_fds)) { |
| 809 | fprintf(stderr, "too many evdevs\n"); |
| 810 | break; |
| 811 | } |
| 812 | fd = open(argv[i], O_RDONLY); |
| 813 | if (fd == -1) { |
| 814 | fprintf(stderr, "open %s: ", argv[i]); |
| 815 | perror(""); |
| 816 | continue; |
| 817 | } |
| 818 | evdev_support = 0; |
| 819 | ret = ioctl(fd, EVIOCGBIT(0, sizeof(evdev_support)), |
| 820 | &evdev_support); |
| 821 | if (ret < 0) |
| 822 | perror("EVIOCGBIT"); |
| 823 | if (!(evdev_support & (1 << EV_KEY))) { |
| 824 | fprintf(stderr, "%s doesn't have keys\n", argv[i]); |
| 825 | close(fd); |
| 826 | continue; |
| 827 | } |
| 828 | evdev_fds[evdev_fd_cnt++] = fd; |
| 829 | } |
| 830 | |
| 831 | if (logfn != NULL) { |
| 832 | logf = fopen(logfn, "wb"); |
| 833 | if (logf == NULL) { |
| 834 | fprintf(stderr, "fopen %s: ", logfn); |
| 835 | perror(""); |
| 836 | return 1; |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | if (tasfn != NULL) { |
| 841 | const char *ext; |
| 842 | long size; |
| 843 | FILE *f; |
| 844 | |
| 845 | f = fopen(tasfn, "rb"); |
| 846 | if (f == NULL) { |
| 847 | fprintf(stderr, "fopen %s: ", tasfn); |
| 848 | perror(""); |
| 849 | return 1; |
| 850 | } |
| 851 | |
| 852 | fseek(f, 0, SEEK_END); |
| 853 | size = ftell(f); |
| 854 | fseek(f, 0, SEEK_SET); |
| 855 | if (size <= 0) { |
| 856 | fprintf(stderr, "bad size: %ld\n", size); |
| 857 | return 1; |
| 858 | } |
| 859 | |
| 860 | ext = strrchr(tasfn, '.'); |
| 861 | if (ext == NULL) |
| 862 | ext = tasfn; |
| 863 | else |
| 864 | ext++; |
| 865 | |
| 866 | if (strcasecmp(ext, "gmv") == 0) |
| 867 | tas_data = import_gmv(f, size, &tas_data_size, logf); |
| 868 | else if (strcasecmp(ext, "bkm") == 0) |
| 869 | tas_data = import_bkm(f, &tas_data_size, logf); |
| 870 | else if (strcasecmp(ext, "txt") == 0) |
| 871 | tas_data = import_raw(f, &tas_data_size, logf); |
| 872 | else { |
| 873 | fprintf(stderr, "unknown movie type: '%s'\n", ext); |
| 874 | return 1; |
| 875 | } |
| 876 | fclose(f); |
| 877 | |
| 878 | if (logf != NULL) { |
| 879 | rewind(logf); |
| 880 | logf = NULL; |
| 881 | } |
| 882 | |
| 883 | if (tas_data == NULL) { |
| 884 | fprintf(stderr, "failed fo parse %s\n", tasfn); |
| 885 | return 1; |
| 886 | } |
| 887 | |
| 888 | if (tas_skip != 0) { |
| 889 | // FIXME: no longer a byte |
| 890 | if (tas_skip >= tas_data_size || tas_skip <= -tas_data_size) { |
| 891 | printf("skip out of range: %d/%d\n", tas_skip, tas_data_size); |
| 892 | return 1; |
| 893 | } |
| 894 | if (tas_skip > 0) { |
| 895 | tas_data_size -= tas_skip; |
| 896 | memmove(&tas_data[0], &tas_data[tas_skip], |
| 897 | sizeof(tas_data[0]) * tas_data_size); |
| 898 | } |
| 899 | else { |
| 900 | tas_data = realloc(tas_data, |
| 901 | (tas_data_size - tas_skip) * sizeof(tas_data[0])); |
| 902 | if (tas_data == NULL) { |
| 903 | fprintf(stderr, "OOM?\n"); |
| 904 | return 1; |
| 905 | } |
| 906 | memmove(&tas_data[-tas_skip], &tas_data[0], |
| 907 | sizeof(tas_data[0]) * tas_data_size); |
| 908 | memset(&tas_data[0], 0xff, sizeof(tas_data[0]) * -tas_skip); |
| 909 | tas_data_size -= tas_skip; |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | if (outfn != NULL) { |
| 915 | outf = fopen(outfn, "w"); |
| 916 | if (outf == NULL) { |
| 917 | fprintf(stderr, "fopen %s: ", outfn); |
| 918 | perror(""); |
| 919 | return 1; |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | enable_echo(0); |
| 924 | signal(SIGINT, signal_handler); |
| 925 | |
| 926 | dev.fd = -1; |
| 927 | |
| 928 | while (!g_exit || (pending_urbs & (1 << URB_DATA_OUT))) |
| 929 | { |
| 930 | if (dev.fd == -1) { |
| 931 | ret = find_device(&dev, 0x16C0, 0x0486); |
| 932 | if (ret < 0) |
| 933 | break; |
| 934 | |
| 935 | if (ret == 0) { |
| 936 | if (!wait_device) { |
| 937 | printf("waiting for device..\n"); |
| 938 | wait_device = 1; |
| 939 | } |
| 940 | usleep(250000); |
| 941 | continue; |
| 942 | } |
| 943 | |
| 944 | wait_device = 0; |
| 945 | pending_urbs = 0; |
| 946 | enable_sent = 0; |
| 947 | bytes_sent = 0; |
| 948 | |
| 949 | /* we wait first, then send commands, but if teensy |
| 950 | * is started already, it won't send anything */ |
| 951 | tout.tv_sec = 1; |
| 952 | tout.tv_usec = 0; |
| 953 | timeout = &tout; |
| 954 | } |
| 955 | |
| 956 | if (!(pending_urbs & (1 << URB_DATA_IN))) { |
| 957 | memset(&pkt_in, 0, sizeof(pkt_in)); |
| 958 | ret = submit_urb(dev.fd, &urb[URB_DATA_IN], dev.ifaces[0].ep_in, |
| 959 | &pkt_in, sizeof(pkt_in)); |
| 960 | if (ret != 0) { |
| 961 | perror("USBDEVFS_SUBMITURB URB_DATA_IN"); |
| 962 | break; |
| 963 | } |
| 964 | |
| 965 | pending_urbs |= 1 << URB_DATA_IN; |
| 966 | } |
| 967 | if (!(pending_urbs & (1 << URB_DBG_IN))) { |
| 968 | ret = submit_urb(dev.fd, &urb[URB_DBG_IN], dev.ifaces[1].ep_in, |
| 969 | buf_dbg, sizeof(buf_dbg) - 1); |
| 970 | if (ret != 0) { |
| 971 | perror("USBDEVFS_SUBMITURB URB_DBG_IN"); |
| 972 | break; |
| 973 | } |
| 974 | |
| 975 | pending_urbs |= 1 << URB_DBG_IN; |
| 976 | } |
| 977 | |
| 978 | FD_ZERO(&rfds); |
| 979 | FD_SET(STDIN_FILENO, &rfds); |
| 980 | for (i = 0; i < evdev_fd_cnt; i++) |
| 981 | FD_SET(evdev_fds[i], &rfds); |
| 982 | |
| 983 | FD_ZERO(&wfds); |
| 984 | FD_SET(dev.fd, &wfds); |
| 985 | |
| 986 | ret = select(dev.fd + 1, &rfds, &wfds, NULL, timeout); |
| 987 | if (ret < 0) { |
| 988 | perror("select"); |
| 989 | break; |
| 990 | } |
| 991 | timeout = NULL; |
| 992 | |
| 993 | /* sometihng form stdin? */ |
| 994 | if (FD_ISSET(STDIN_FILENO, &rfds)) { |
| 995 | char c = 0; |
| 996 | ret = read(STDIN_FILENO, &c, 1); |
| 997 | if (ret <= 0) { |
| 998 | perror("read stdin"); |
| 999 | break; |
| 1000 | } |
| 1001 | |
| 1002 | switch (c) { |
| 1003 | case 'r': |
| 1004 | enable_sent = 0; |
| 1005 | break; |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | /* something from input devices? */ |
| 1010 | for (i = 0; i < evdev_fd_cnt; i++) { |
| 1011 | if (FD_ISSET(evdev_fds[i], &rfds)) { |
| 1012 | fixed_input_changed |= |
| 1013 | do_evdev_input(evdev_fds[i]); |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | /* something from USB? */ |
| 1018 | if (FD_ISSET(dev.fd, &wfds)) |
| 1019 | { |
| 1020 | unsigned int which_urb; |
| 1021 | |
| 1022 | reaped_urb = NULL; |
| 1023 | ret = ioctl(dev.fd, USBDEVFS_REAPURB, &reaped_urb); |
| 1024 | if (ret != 0) { |
| 1025 | if (errno == ENODEV) |
| 1026 | goto dev_close; |
| 1027 | perror("USBDEVFS_REAPURB"); |
| 1028 | break; |
| 1029 | } |
| 1030 | which_urb = reaped_urb - urb; |
| 1031 | if (which_urb < ARRAY_SIZE(urb)) |
| 1032 | pending_urbs &= ~(1 << which_urb); |
| 1033 | else { |
| 1034 | fprintf(stderr, "reaped unknown urb: %p #%u", |
| 1035 | reaped_urb, which_urb); |
| 1036 | } |
| 1037 | |
| 1038 | if (reaped_urb != NULL && reaped_urb->status != 0) { |
| 1039 | errno = -reaped_urb->status; |
| 1040 | fprintf(stderr, "urb #%u: ", which_urb); |
| 1041 | perror(""); |
| 1042 | if (reaped_urb->status == -EILSEQ) { |
| 1043 | /* this is usually a sign of disconnect.. */ |
| 1044 | usleep(250000); |
| 1045 | goto dev_close; |
| 1046 | } |
| 1047 | } |
| 1048 | else if (reaped_urb == &urb[URB_DATA_IN]) |
| 1049 | { |
| 1050 | /* some request from teensy */ |
| 1051 | switch (pkt_in.type) { |
| 1052 | case PKT_STREAM_REQ: |
| 1053 | printf("req: %d/%d/%d\n", pkt_in.req.frame * 2, |
| 1054 | bytes_sent, tas_data_size); |
| 1055 | |
| 1056 | pkt_out.size = 0; |
| 1057 | if (bytes_sent < tas_data_size) { |
| 1058 | pkt_out.type = PKT_STREAM_DATA_TO; |
| 1059 | |
| 1060 | i = tas_data_size - bytes_sent; |
| 1061 | if (i > sizeof(pkt_out.data)) |
| 1062 | i = sizeof(pkt_out.data); |
| 1063 | memcpy(pkt_out.data, tas_data + bytes_sent, i); |
| 1064 | bytes_sent += i; |
| 1065 | pkt_out.size = i; |
| 1066 | } |
| 1067 | else { |
| 1068 | pkt_out.type = PKT_STREAM_END; |
| 1069 | } |
| 1070 | |
| 1071 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], |
| 1072 | dev.ifaces[0].ep_out, &pkt_out, sizeof(pkt_out)); |
| 1073 | if (ret != 0) |
| 1074 | perror("USBDEVFS_SUBMITURB PKT_STREAM_DATA_TO"); |
| 1075 | break; |
| 1076 | |
| 1077 | case PKT_STREAM_DATA_FROM: |
| 1078 | printf("f: %d\n", frame_count); |
| 1079 | if (pkt_in.size == 0 || pkt_in.size > sizeof(pkt_out.data)) { |
| 1080 | printf("host: got bad DATA_FROM size: %u\n", pkt_in.size); |
| 1081 | break; |
| 1082 | } |
| 1083 | for (i = 0; i < pkt_in.size; ) { |
| 1084 | i += write_bkm_frame(outf, pkt_in.data + i); |
| 1085 | frame_count++; |
| 1086 | } |
| 1087 | break; |
| 1088 | |
| 1089 | default: |
| 1090 | printf("host: got unknown pkt type: %04x\n", pkt_in.type); |
| 1091 | break; |
| 1092 | } |
| 1093 | } |
| 1094 | else if (reaped_urb == &urb[URB_DATA_OUT]) |
| 1095 | { |
| 1096 | } |
| 1097 | else if (reaped_urb == &urb[URB_DBG_IN]) |
| 1098 | { |
| 1099 | /* debug text */ |
| 1100 | buf_dbg[reaped_urb->actual_length] = 0; |
| 1101 | printf("%s", buf_dbg); |
| 1102 | |
| 1103 | // continue receiving debug before sending out stuff |
| 1104 | tout.tv_sec = 0; |
| 1105 | tout.tv_usec = 1000; |
| 1106 | timeout = &tout; |
| 1107 | continue; |
| 1108 | } |
| 1109 | else { |
| 1110 | fprintf(stderr, "reaped unknown urb? %p #%zu\n", |
| 1111 | reaped_urb, reaped_urb - urb); |
| 1112 | } |
| 1113 | } |
| 1114 | |
| 1115 | /* something to send? */ |
| 1116 | if (pending_urbs & (1 << URB_DATA_OUT)) |
| 1117 | // can't do that yet |
| 1118 | continue; |
| 1119 | |
| 1120 | if ((tas_data != NULL || outf != NULL) && !enable_sent) { |
| 1121 | memset(&pkt_out, 0, sizeof(pkt_out)); |
| 1122 | pkt_out.type = PKT_STREAM_ENABLE; |
| 1123 | pkt_out.enable.stream_to = (tas_data != NULL); |
| 1124 | pkt_out.enable.stream_from = (outf != NULL); |
| 1125 | pkt_out.enable.use_readinc = !use_vsync; |
| 1126 | pkt_out.enable.no_start_seq = no_start_seq; |
| 1127 | |
| 1128 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, |
| 1129 | &pkt_out, sizeof(pkt_out)); |
| 1130 | if (ret != 0) { |
| 1131 | perror("USBDEVFS_SUBMITURB PKT_STREAM_ENABLE"); |
| 1132 | continue; |
| 1133 | } |
| 1134 | pending_urbs |= 1 << URB_DATA_OUT; |
| 1135 | enable_sent = 1; |
| 1136 | bytes_sent = 0; |
| 1137 | continue; |
| 1138 | } |
| 1139 | if (tas_data == NULL && fixed_input_changed) { |
| 1140 | memset(&pkt_out, 0, sizeof(pkt_out)); |
| 1141 | pkt_out.type = PKT_FIXED_STATE; |
| 1142 | memcpy(pkt_out.data, fixed_input_state, sizeof(fixed_input_state)); |
| 1143 | |
| 1144 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, |
| 1145 | &pkt_out, sizeof(pkt_out)); |
| 1146 | if (ret != 0) { |
| 1147 | perror("USBDEVFS_SUBMITURB PKT_FIXED_STATE"); |
| 1148 | break; |
| 1149 | } |
| 1150 | fixed_input_changed = 0; |
| 1151 | pending_urbs |= 1 << URB_DATA_OUT; |
| 1152 | continue; |
| 1153 | } |
| 1154 | if (g_exit && !abort_sent) { |
| 1155 | memset(&pkt_out, 0, sizeof(pkt_out)); |
| 1156 | pkt_out.type = PKT_STREAM_ABORT; |
| 1157 | |
| 1158 | ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, |
| 1159 | &pkt_out, sizeof(pkt_out)); |
| 1160 | if (ret != 0) { |
| 1161 | perror("USBDEVFS_SUBMITURB PKT_STREAM_ABORT"); |
| 1162 | break; |
| 1163 | } |
| 1164 | pending_urbs |= 1 << URB_DATA_OUT; |
| 1165 | abort_sent = 1; |
| 1166 | continue; |
| 1167 | } |
| 1168 | |
| 1169 | continue; |
| 1170 | |
| 1171 | dev_close: |
| 1172 | close(dev.fd); |
| 1173 | dev.fd = -1; |
| 1174 | } |
| 1175 | |
| 1176 | enable_echo(1); |
| 1177 | |
| 1178 | if (outf != NULL) |
| 1179 | fclose(outf); |
| 1180 | |
| 1181 | if (dev.fd != -1) { |
| 1182 | /* deal with pending URBs */ |
| 1183 | if (pending_urbs & (1 << URB_DATA_IN)) |
| 1184 | ioctl(dev.fd, USBDEVFS_DISCARDURB, &urb[URB_DATA_IN]); |
| 1185 | if (pending_urbs & (1 << URB_DBG_IN)) |
| 1186 | ioctl(dev.fd, USBDEVFS_DISCARDURB, &urb[URB_DBG_IN]); |
| 1187 | for (i = 0; i < URB_CNT; i++) { |
| 1188 | if (pending_urbs & (1 << i)) { |
| 1189 | ret = ioctl(dev.fd, USBDEVFS_REAPURB, &reaped_urb); |
| 1190 | if (ret != 0) |
| 1191 | perror("USBDEVFS_REAPURB"); |
| 1192 | } |
| 1193 | } |
| 1194 | |
| 1195 | close(dev.fd); |
| 1196 | } |
| 1197 | |
| 1198 | return ret; |
| 1199 | } |
| 1200 | |
| 1201 | // vim: ts=2:sw=2:expandtab |