[1b475860] | 1 | /** |
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| 2 | * @file |
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| 3 | * |
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| 4 | * @brief Set Time of Day Given a Timestamp |
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| 5 | * |
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| 6 | * @ingroup ScoreTOD |
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[412dbff6] | 7 | */ |
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| 8 | |
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| 9 | /* COPYRIGHT (c) 1989-2007. |
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[93b4e6ef] | 10 | * On-Line Applications Research Corporation (OAR). |
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| 11 | * |
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| 12 | * The license and distribution terms for this file may be |
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| 13 | * found in the file LICENSE in this distribution or at |
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[c499856] | 14 | * http://www.rtems.org/license/LICENSE. |
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[93b4e6ef] | 15 | */ |
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| 16 | |
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[a8eed23] | 17 | #if HAVE_CONFIG_H |
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| 18 | #include "config.h" |
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| 19 | #endif |
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| 20 | |
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[f031df0e] | 21 | #include <rtems/score/todimpl.h> |
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[88c74ab] | 22 | #include <rtems/score/threaddispatch.h> |
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[4b48ece0] | 23 | #include <rtems/score/watchdogimpl.h> |
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[93b4e6ef] | 24 | |
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[8d7aea0d] | 25 | void _TOD_Set_with_timestamp( |
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[9bf7467] | 26 | const Timestamp_Control *tod_as_timestamp |
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[93b4e6ef] | 27 | ) |
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| 28 | { |
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[9bf7467] | 29 | TOD_Control *tod = &_TOD; |
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| 30 | uint32_t nanoseconds = _Timestamp_Get_nanoseconds( tod_as_timestamp ); |
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| 31 | Watchdog_Interval seconds_next = _Timestamp_Get_seconds( tod_as_timestamp ); |
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[8d7aea0d] | 32 | Watchdog_Interval seconds_now; |
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[d50acdbb] | 33 | ISR_lock_Context lock_context; |
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[c16bcc0] | 34 | |
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[93b4e6ef] | 35 | _Thread_Disable_dispatch(); |
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| 36 | |
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[8d7aea0d] | 37 | seconds_now = _TOD_Seconds_since_epoch(); |
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[c16bcc0] | 38 | |
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[8d7aea0d] | 39 | if ( seconds_next < seconds_now ) |
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| 40 | _Watchdog_Adjust_seconds( WATCHDOG_BACKWARD, seconds_now - seconds_next ); |
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[93b4e6ef] | 41 | else |
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[8d7aea0d] | 42 | _Watchdog_Adjust_seconds( WATCHDOG_FORWARD, seconds_next - seconds_now ); |
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[93b4e6ef] | 43 | |
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[d50acdbb] | 44 | _TOD_Acquire( tod, &lock_context ); |
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[9bf7467] | 45 | tod->now = *tod_as_timestamp; |
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[d50acdbb] | 46 | _TOD_Release( tod, &lock_context ); |
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[9bf7467] | 47 | |
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| 48 | tod->seconds_trigger = nanoseconds; |
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| 49 | tod->is_set = true; |
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[812da54] | 50 | |
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[93b4e6ef] | 51 | _Thread_Enable_dispatch(); |
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| 52 | } |
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