From 1ae44013703af4e8757abe6adb70745861bf8f9f Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Sun, 16 Dec 2012 19:20:11 +0100 Subject: digital/ucoolib/ucoolib/utils: add delay functions --- digital/ucoolib/ucoolib/utils/delay.hh | 76 ++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 digital/ucoolib/ucoolib/utils/delay.hh (limited to 'digital/ucoolib/ucoolib/utils/delay.hh') diff --git a/digital/ucoolib/ucoolib/utils/delay.hh b/digital/ucoolib/ucoolib/utils/delay.hh new file mode 100644 index 00000000..4affce83 --- /dev/null +++ b/digital/ucoolib/ucoolib/utils/delay.hh @@ -0,0 +1,76 @@ +#ifndef ucoolib_utils_delay_hh +#define ucoolib_utils_delay_hh +// ucoolib - Microcontroller object oriented library. {{{ +// +// Copyright (C) 2012 Nicolas Schodet +// +// APBTeam: +// Web: http://apbteam.org/ +// Email: team AT apbteam DOT org +// +// 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. +// +// }}} + +#if defined (TARGET_host) + +namespace ucoo { + +/// No delay on host. +extern inline void +delay (double s) +{ +} + +} // namespace ucoo + +#elif defined (TARGET_arm) +# include "delay.arm.hh" +#else +# error "not implemented for this target" +#endif + +namespace ucoo { + +/// Shortcut for delay with nanosecond. +extern inline void +delay_ns (double ns) +{ + delay (ns * 1e-9); +} +extern inline void +delay_ns (double ns) __attribute__ ((always_inline)); + +/// Shortcut for delay with microsecond. +extern inline void +delay_us (double us) +{ + delay (us * 1e-6); +} +extern inline void +delay_us (double us) __attribute__ ((always_inline)); + +/// Shortcut for delay with millisecond. +extern inline void +delay_ms (double ms) +{ + delay (ms * 1e-3); +} +extern inline void +delay_ms (double ms) __attribute__ ((always_inline)); + +} // namespace ucoo + +#endif // ucoolib_utils_delay_hh -- cgit v1.2.3