Contiki 2.6

uart1.h

00001 /*
00002  * Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
00003  * to the MC1322x project (http://mc1322x.devl.org) and Contiki.
00004  *
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer.
00012  * 2. Redistributions in binary form must reproduce the above copyright
00013  *    notice, this list of conditions and the following disclaimer in the
00014  *    documentation and/or other materials provided with the distribution.
00015  * 3. Neither the name of the Institute nor the names of its contributors
00016  *    may be used to endorse or promote products derived from this software
00017  *    without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00020  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00023  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00024  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00025  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00026  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00027  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00028  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00029  * SUCH DAMAGE.
00030  *
00031  * This file is part of the Contiki OS.
00032  *
00033  *
00034  */
00035 
00036 /*
00037 
00038   This file exists as a work-around for the hardware dependant calls
00039   to slip_arch_init.
00040 
00041   Current the prototype for slip_arch_init is slip_arch_init(urb)
00042 
00043   and a typical call is something like
00044   slip_arch_init(BAUD2URB(115200))
00045 
00046   BAUD2UBR is hardware specific, however. Furthermore, for the sky
00047   platform it's typically defined with #include "dev/uart1.h" (see
00048   rpl-boarder-router/slip-bridge.c), a sky specific file. dev/uart1.h
00049   includes msp430.h which includes the sky contiki-conf.h which
00050   defines BAUD2UBR.
00051 
00052   To me, the correct think to pass is simply the baudrate and have the
00053   hardware specific conversion happen inside slip_arch_init. 
00054 
00055   Notably, most implementations just ignore the passed parameter
00056   anyway. (except AVR)
00057   
00058  */
00059 
00060 #ifndef DEV_UART1_H
00061 #define DEV_UART1_H
00062 
00063 #define BAUD2UBR(x) x
00064 
00065 #endif