Lines Matching refs:r
77 int r; in print_f0_data() local
80 r = libusb_control_transfer(devh, CTRL_IN, USB_RQ, 0xf0, 0, data, in print_f0_data()
82 if (r < 0) { in print_f0_data()
83 fprintf(stderr, "F0 error %d\n", r); in print_f0_data()
84 return r; in print_f0_data()
86 if ((unsigned int) r < sizeof(data)) { in print_f0_data()
87 fprintf(stderr, "short read (%d)\n", r); in print_f0_data()
100 int r; in get_hwstat() local
102 r = libusb_control_transfer(devh, CTRL_IN, USB_RQ, 0x07, 0, status, 1, 0); in get_hwstat()
103 if (r < 0) { in get_hwstat()
104 fprintf(stderr, "read hwstat error %d\n", r); in get_hwstat()
105 return r; in get_hwstat()
107 if ((unsigned int) r < 1) { in get_hwstat()
108 fprintf(stderr, "short read (%d)\n", r); in get_hwstat()
118 int r; in set_hwstat() local
121 r = libusb_control_transfer(devh, CTRL_OUT, USB_RQ, 0x07, 0, &data, 1, 0); in set_hwstat()
122 if (r < 0) { in set_hwstat()
123 fprintf(stderr, "set hwstat error %d\n", r); in set_hwstat()
124 return r; in set_hwstat()
126 if ((unsigned int) r < 1) { in set_hwstat()
127 fprintf(stderr, "short write (%d)", r); in set_hwstat()
136 int r; in set_mode() local
139 r = libusb_control_transfer(devh, CTRL_OUT, USB_RQ, 0x4e, 0, &data, 1, 0); in set_mode()
140 if (r < 0) { in set_mode()
141 fprintf(stderr, "set mode error %d\n", r); in set_mode()
142 return r; in set_mode()
144 if ((unsigned int) r < 1) { in set_mode()
145 fprintf(stderr, "short write (%d)", r); in set_mode()
192 int r; in do_sync_intr() local
195 r = libusb_interrupt_transfer(devh, EP_INTR, data, INTR_LENGTH, in do_sync_intr()
197 if (r < 0) { in do_sync_intr()
198 fprintf(stderr, "intr error %d\n", r); in do_sync_intr()
199 return r; in do_sync_intr()
202 fprintf(stderr, "short read (%d)\n", r); in do_sync_intr()
212 int r; in sync_intr() local
216 r = do_sync_intr(data); in sync_intr()
217 if (r < 0) in sync_intr()
218 return r; in sync_intr()
243 int r = 0; in next_state() local
248 r = set_mode_async(MODE_AWAIT_FINGER_ON); in next_state()
255 r = set_mode_async(MODE_CAPTURE); in next_state()
262 r = set_mode_async(MODE_AWAIT_FINGER_OFF); in next_state()
270 if (r < 0) { in next_state()
272 return r; in next_state()
340 int r; in init_capture() local
342 r = libusb_submit_transfer(irq_transfer); in init_capture()
343 if (r < 0) in init_capture()
344 return r; in init_capture()
346 r = libusb_submit_transfer(img_transfer); in init_capture()
347 if (r < 0) { in init_capture()
352 return r; in init_capture()
363 int r; in do_init() local
365 r = get_hwstat(&status); in do_init()
366 if (r < 0) in do_init()
367 return r; in do_init()
370 r = set_hwstat(status | 0x80); in do_init()
371 if (r < 0) in do_init()
372 return r; in do_init()
373 r = get_hwstat(&status); in do_init()
374 if (r < 0) in do_init()
375 return r; in do_init()
379 r = set_hwstat(status); in do_init()
380 if (r < 0) in do_init()
381 return r; in do_init()
383 r = get_hwstat(&status); in do_init()
384 if (r < 0) in do_init()
385 return r; in do_init()
387 r = sync_intr(0x56); in do_init()
388 if (r < 0) in do_init()
389 return r; in do_init()
420 int r = 1; in main() local
422 r = libusb_init(NULL); in main()
423 if (r < 0) { in main()
428 r = find_dpfp_device(); in main()
429 if (r < 0) { in main()
434 r = libusb_claim_interface(devh, 0); in main()
435 if (r < 0) { in main()
436 fprintf(stderr, "usb_claim_interface error %d\n", r); in main()
441 r = print_f0_data(); in main()
442 if (r < 0) in main()
445 r = do_init(); in main()
446 if (r < 0) in main()
451 r = alloc_transfers(); in main()
452 if (r < 0) in main()
455 r = init_capture(); in main()
456 if (r < 0) in main()
467 r = libusb_handle_events(NULL); in main()
468 if (r < 0) in main()
475 r = libusb_cancel_transfer(irq_transfer); in main()
476 if (r < 0) in main()
481 r = libusb_cancel_transfer(img_transfer); in main()
482 if (r < 0) in main()
491 r = 0; in main()
493 r = 1; in main()
505 return r >= 0 ? r : -r; in main()