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ect.c

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00001 /* BeeOS v0.1. Created: 2003/04/04 Modified: 2004/04/04
00002  * Copyright (C) 2004 Paul Harvey - ROMA, Australia.
00003  * csirac@users.sourceforge.net
00004  */
00005 
00006 /*   This program is free software; you can redistribute it and/or modify
00007  *   it under the terms of the GNU General Public License as published by
00008  *   the Free Software Foundation; either version 2 of the License, or
00009  *   (at your option) any later version.
00010  * 
00011  *   This program is distributed in the hope that it will be useful,
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *   GNU General Public License for more details.
00015  * 
00016  *   You should have received a copy of the GNU General Public License
00017  *   along with this program; if not, write to the Free Software
00018  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  */
00027 #include "../include/beeos.h"
00028 #include "../include/ect.h"
00029 #include "../include/asm/ports.h"
00030 
00031 __inline__ void ect_init(void)
00032 {   
00035     TSCR2 = ECT_PR0 | ECT_PR1 | ECT_PR2;    /* Set timer prescaler to /128. */
00036     TIOS |= BIT7;       /* Set TC7 to output compare. */
00037     TSCR1 |= ECT_TEN;   /* Enable timer. */
00038     TFLG1 |= BIT7;      /* Clear possibly existing interrupt. */
00039     TIE |= BIT7;        /* Enable TC7 interrupt. */
00040      
00041     return;
00042 }

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