From 583f00e0b8efe2832f63efb478a51d3ad35e92ed Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Sun, 7 Oct 2007 22:16:03 +0200 Subject: Included SI2E avr modules. Well, this need more works... --- digital/avr/modules/utils/utils.h | 82 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 digital/avr/modules/utils/utils.h (limited to 'digital/avr/modules/utils/utils.h') diff --git a/digital/avr/modules/utils/utils.h b/digital/avr/modules/utils/utils.h new file mode 100644 index 00000000..e4e4c10b --- /dev/null +++ b/digital/avr/modules/utils/utils.h @@ -0,0 +1,82 @@ +#ifndef utils_h +#define utils_h +/* utils.h */ +/* avr.utils - Utilities AVR module. {{{ + * + * Copyright (C) 2005 Nicolas Schodet + * + * Robot APB Team/Efrei 2006. + * Web: http://assos.efrei.fr/robot/ + * Email: robot AT efrei DOT fr + * + * 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. + * + * }}} */ + +#ifndef HOST +# include "utils.avr.h" +#else +# include "utils.host.h" +#endif + +/** Shortcut for delay (ns * 1e-9). */ +extern inline void +utils_delay_ns (double ns) __attribute__ ((always_inline)); +extern inline void +utils_delay_ns (double ns) +{ + utils_delay (ns * 1e-9); +} + +/** Shortcut for delay (us * 1e-6). */ +extern inline void +utils_delay_us (double us) __attribute__ ((always_inline)); +extern inline void +utils_delay_us (double us) +{ + utils_delay (us * 1e-6); +} + +/** Shortcut for delay (ms * 1e-3). */ +extern inline void +utils_delay_ms (double ms) __attribute__ ((always_inline)); +extern inline void +utils_delay_ms (double ms) +{ + utils_delay (ms * 1e-3); +} + +/** Bound a value between MIN and MAX. */ +#define UTILS_BOUND(v, min, max) \ + do { \ + if ((v) < (min)) \ + (v) = (min); \ + else if ((v) > (max)) \ + (v) = (max); \ + } while (0) + +/** Return maximum of two values. */ +#define UTILS_MAX(a, b) ((a) > (b) ? (a) : (b)) + +/** Return minimum of two values. */ +#define UTILS_MIN(a, b) ((a) < (b) ? (a) : (b)) + +/** Absolute value. */ +#define UTILS_ABS(v) ((v) > 0 ? (v) : -(v)) + +/** Count the number of element in an array. */ +#define UTILS_COUNT(a) (sizeof (a) / sizeof ((a)[0])) + +#endif /* utils_h */ -- cgit v1.2.3