From cdd573583978a3800b24d868d32604a427b669a2 Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Thu, 24 May 2012 21:55:14 +0000 Subject: moved lib code to lib dir updated Makefile to work it's funky magic git-svn-id: https://svn.spreadspace.org/avr/trunk@29 aa12f405-d877-488e-9caf-2d797e2a1cc7 --- lib/util.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 lib/util.c (limited to 'lib/util.c') diff --git a/lib/util.c b/lib/util.c new file mode 100644 index 0000000..3bf17b1 --- /dev/null +++ b/lib/util.c @@ -0,0 +1,35 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2012 Christian Pointner + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils 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 3 of the License, or + * any later version. + * + * spreadspace avr utils 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 spreadspace avr utils. If not, see . + */ + +#include "avr/io.h" +#include "util.h" + +#if defined(CLKPR) +#define CPU_PRESCALE(n) do { CLKPR = 0x80; CLKPR = (n); } while(0) +#else +#define CPU_PRESCALE(n) +#endif + +void cpu_init(void) +{ + CPU_PRESCALE(0); +} -- cgit v1.2.3