hwiflib: dio.c Source File

00001 /* dio.c --- 
00002  * 
00003  * Filename: dio.c
00004  * Description: 
00005  * Author: Bryce Himebaugh
00006  * Maintainer: 
00007  * Created: Mon Oct 16 11:01:06 2006
00008  * Version: 
00009  * Last-Updated: 
00010  *           By: 
00011  *     Update #: 0
00012  * Keywords: 
00013  * Compatibility: 
00014  * 
00015  */
00016 
00017 /* Commentary: 
00018  * 
00019  * 
00020  * 
00021  */
00022 
00023 /* Change log:
00024  * 
00025  * 
00026  */
00027 
00028 /* This program is free software; you can redistribute it and/or modify
00029  * it under the terms of the GNU General Public License as published by
00030  * the Free Software Foundation; either version 2, or (at your option)
00031  * any later version.
00032  * 
00033  * This program is distributed in the hope that it will be useful,
00034  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00035  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00036  * GNU General Public License for more details.
00037  * 
00038  * You should have received a copy of the GNU General Public License
00039  * along with this program; see the file COPYING.  If not, write to the
00040  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00041  * Boston, MA 02111-1307, USA.
00042  */
00043 
00044 /* Code: */
00045 #include <msp430x16x.h>
00046 
00047 void init_dio(void) {
00062   P1DIR = 0x00;
00063 
00078   P2DIR = 0x70;
00079 
00080 
00095   P3SEL = 0xF0; // Select pins 3.4-3.7 as serial port pins 
00096   P3DIR = 0x5F; // Make both serial TX pins (3.4 and 3.6) outputs.   
00097   P3OUT = 0x0F;   // 1 for full rate, 0 for divide by 8 
00098 
00113   P4SEL = 0x0F;
00114   P4DIR=0xF0;
00115 
00130   P5DIR=0xFF;
00131   P5OUT=0xFF;   // do NOT use bit 4 (set to 0) as it will kill speed sensors. 
00132 
00147   P6SEL = 0xFF; // select all of the P6/analog pins as alternate function 
00148   P6DIR=0x00;
00149 }
00150 
00151 /* dio.c ends here */