Mercurial > flash_v2
diff packages/devs/wallclock/current/include/wallclock.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/devs/wallclock/current/include/wallclock.hxx @@ -0,0 +1,79 @@ +#ifndef CYGONCE_DEVS_WALLCLOCK_HXX +#define CYGONCE_DEVS_WALLCLOCK_HXX + +//========================================================================== +// +// wallclock.hxx +// +// Wallclock interface declaration +// +//========================================================================== +//####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): nickg +// Contributors: nickg +// Date: 1998-07-14 +// Purpose: Wall Clock declarations +// Description: This file defines the interface to the wall clock device +// that provides real time stamps. This is either an interface +// to a hardware RTC like the Dallas DS12887, or it is emulated +// using the kernel clock. +// Usage: #include <cyg/devs/wallclock.hxx> +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <cyg/kernel/ktypes.h> +#include <cyg/infra/cyg_ass.h> // assertion macros + +// ------------------------------------------------------------------------- +// Wallclock class + +class Cyg_WallClock +{ + +public: + + Cyg_WallClock(); + + // Returns the current timestamp. This may involve reading the + // hardware, so it may take anything up to a second to complete. + cyg_uint32 get_current_time(); + + // Sets the value of the timestamp relative to now. This may involve + // writing to the hardware, so it may take anything up to a second to + // complete. + void set_current_time( cyg_uint32 time_stamp ); + + // A static pointer to the single system defined wall clock device. + static Cyg_WallClock *wallclock; + +}; + +// ------------------------------------------------------------------------- + +#endif // ifndef CYGONCE_DEVS_WALLCLOCK_HXX +// EOF wallclock.hxx
