56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
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* Copyright © 2008 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include "cc1111.h"
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unsigned char irqs;
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void timer1_isr(void) interrupt 9 __reentrant
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{
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++irqs;
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if (irqs == 100) {
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P1 ^= 0x2;
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irqs = 0;
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}
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}
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int
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main (void) __reentrant
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{
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CLKCON = 0;
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P1DIR = 0x2;
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P1 = 0xff;
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T1CTL = 0;
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/* 30000 */
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T1CC0H = 0x75;
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T1CC0L = 0x30;
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T1CCTL0 = T1CCTL_MODE_COMPARE;
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T1CCTL1 = 0;
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T1CCTL2 = 0;
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/* clear timer value */
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T1CNTL = 0;
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OVFIM = 1;
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T1CTL = T1CTL_MODE_MODULO | T1CTL_DIV_8;
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T1IE = 1;
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EA = 1;
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for (;;);
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}
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