1/* $FreeBSD$ */ 2/*- 3 * Copyright (c) 2013 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <stdio.h> 28#include <stdint.h> 29#include <time.h> 30 31extern int usleep(int); 32extern void callout_process(int); 33extern void usb_idle(void); 34extern void usb_init(void); 35extern void usb_uninit(void); 36 37#define hz 1000 38 39void 40DELAY(unsigned int delay) 41{ 42 usleep(delay); 43} 44 45int 46pause(const char *what, int timeout) 47{ 48 if (timeout == 0) 49 timeout = 1; 50 51 usleep((1000000 / hz) * timeout); 52 53 return (0); 54} 55 56int 57main(int argc, char **argv) 58{ 59 uint32_t time; 60 61 usb_init(); 62 63 time = 0; 64 65 while (1) { 66 67 usb_idle(); 68 69 usleep(1000); 70 71 if (++time >= (1000 / hz)) { 72 time = 0; 73 callout_process(1); 74 } 75 } 76 77 usb_uninit(); 78 79 return (0); 80} 81