Mercurial > ecos
diff packages/kernel/current/include/timer.hxx @ 0:3111d98ba7b3 ecos-v1_1-release
Initial commit of eCos version 1.1
| author | jlarmour |
|---|---|
| date | Tue, 11 May 1999 11:16:07 +0000 |
| parents | |
| children | 443894e2e912 |
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new file mode 100644 --- /dev/null +++ b/packages/kernel/current/include/timer.hxx @@ -0,0 +1,116 @@ +#ifndef CYGONCE_KERNEL_TIMER_HXX +#define CYGONCE_KERNEL_TIMER_HXX + +//========================================================================== +// +// timer.hxx +// +// Timer handler class declaration(s) +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Cygnus eCos Public License +// Version 1.0 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://sourceware.cygnus.com/ecos +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Cygnus Operating System, released +// September 30, 1998. +// +// The Initial Developer of the Original Code is Cygnus. Portions created +// by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): dsm +// Contributors: dsm +// Date: 1998-06-10 +// Purpose: Define Timer class interfaces +// Description: This file defines the Timer class which is derived from +// the Alarm class to support uITRON type functionality +// Usage: #include <cyg/kernel/timer.hxx> +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <cyg/kernel/ktypes.h> +#include <cyg/infra/cyg_ass.h> // assertion macros +#include <cyg/kernel/clock.hxx> // Cyg_Alarm + +// ------------------------------------------------------------------------- +// Timer handler class + +class Cyg_Timer + : public Cyg_Alarm +{ +public: + + CYGDBG_DEFINE_CHECK_THIS + + Cyg_Timer(); + + ~Cyg_Timer(); + + enum { + DISABLE = 0, + ENABLE = 1, + RESET = 2, + }; + + void initialize( + Cyg_Counter *counter, + cyg_alarm_fn alarm_fn, + CYG_ADDRWORD data, + cyg_tick_count trigger, // absolute time + cyg_tick_count interval, // 0 => one shot, else repeating + cyg_uint32 action // (DISABLE | ENABLE) + ); + + void activate(cyg_uint32 action); // (DISABLE | ENABLE) [|RESET] + + cyg_tick_count get_trigger(); + cyg_bool is_enabled(); + cyg_bool is_initialized(); + CYG_ADDRWORD get_data(); +}; + +// ------------------------------------------------------------------------- +// Timer inlines + +inline cyg_tick_count +Cyg_Timer::get_trigger() +{ + return trigger; +} + +inline cyg_bool +Cyg_Timer::is_initialized() +{ + return NULL != counter; +} + +inline cyg_bool +Cyg_Timer::is_enabled() +{ + return enabled; +} + +inline CYG_ADDRWORD +Cyg_Timer::get_data() +{ + return data; +} + +#endif // ifndef CYGONCE_KERNEL_TIMER_HXX +// EOF timer.hxx
