hal_tick.cpp

00001 /*
00002  * Copyright (C) 2011 by Matthias Ringwald
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the copyright holders nor the names of
00014  *    contributors may be used to endorse or promote products derived
00015  *    from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
00018  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00019  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00020  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
00021  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00022  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00023  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00024  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00025  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00026  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00027  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00028  * SUCH DAMAGE.
00029  *
00030  */
00031 
00032 /*
00033  *  hal_tick.c
00034  *
00035  *  Implementation for mbed
00036  *
00037  */
00038 
00039 #include <btstack/hal_tick.h>
00040 #include "mbed.h"
00041 static Ticker tick;
00042 
00043 static void dummy_handler(void){};
00044 
00045 static void (*tick_handler)(void) = &dummy_handler;
00046 
00047 void hal_tick_init(void){
00048 
00049 }
00050 
00051 void hal_tick_set_handler(void (*handler)(void)){
00052     if (handler == NULL){
00053         tick_handler = &dummy_handler;
00054         return;
00055     }
00056     tick_handler = handler;
00057     tick.attach(tick_handler, 0.001);
00058 }
00059 
00060 int  hal_tick_get_tick_period_in_ms(void){
00061     return 1;
00062 }
00063