/* * Copyright © 2008 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ sfr at 0x90 P1; sfr at 0xC6 CLKCON; sfr at 0xFE P1DIR; sfr at 0xF6 P1INP; void delay(int n) __reentrant { while (n--) _asm nop _endasm; } int main (void) __reentrant { long i; CLKCON = 0; /* Set p1_1 to output */ P1DIR = 0x02; for (;;) { P1 ^= 0x2; for (i = 0; i < 1000; i++) delay(1000); } }