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180 lines
6.2 KiB
C
180 lines
6.2 KiB
C
/*
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* Trace Recorder for Tracealyzer v4.6.0
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* Copyright 2021 Percepio AB
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* www.percepio.com
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* The implementation of timestamps.
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*/
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#include <trcRecorder.h>
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#if ( TRC_USE_TRACEALYZER_RECORDER == 1 )
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#if ( TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING )
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TraceTimestamp_t * pxTraceTimestamp;
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traceResult xTraceTimestampInitialize( TraceTimestampBuffer_t * pxBuffer )
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{
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TRC_ASSERT_EQUAL_SIZE( TraceTimestampBuffer_t, TraceTimestamp_t );
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/* This should never fail */
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TRC_ASSERT( pxBuffer != 0 );
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pxTraceTimestamp = ( TraceTimestamp_t * ) pxBuffer;
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pxTraceTimestamp->frequency = 0;
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pxTraceTimestamp->period = TRC_HWTC_PERIOD;
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pxTraceTimestamp->osTickHz = TRC_TICK_RATE_HZ;
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pxTraceTimestamp->osTickCount = 0;
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pxTraceTimestamp->wraparounds = 0;
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pxTraceTimestamp->type = TRC_HWTC_TYPE;
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#if ( TRC_HWTC_TYPE == TRC_FREE_RUNNING_32BIT_INCR || TRC_HWTC_TYPE == TRC_CUSTOM_TIMER_INCR || TRC_HWTC_TYPE == TRC_OS_TIMER_INCR )
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pxTraceTimestamp->latestTimestamp = 0;
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#elif ( TRC_HWTC_TYPE == TRC_FREE_RUNNING_32BIT_DECR || TRC_HWTC_TYPE == TRC_CUSTOM_TIMER_DECR || TRC_HWTC_TYPE == TRC_OS_TIMER_DECR )
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pxTraceTimestamp->latestTimestamp = pxTraceTimestamp->period - 1;
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#endif
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xTraceSetComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP );
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return TRC_SUCCESS;
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}
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#if ( ( TRC_CFG_USE_TRACE_ASSERT ) == 1 )
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traceResult xTraceTimestampGet( uint32_t * puiTimestamp )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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/* This should never fail */
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TRC_ASSERT( puiTimestamp != 0 );
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switch( pxTraceTimestamp->type )
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{
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case TRC_FREE_RUNNING_32BIT_INCR:
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case TRC_CUSTOM_TIMER_INCR:
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*puiTimestamp = TRC_HWTC_COUNT;
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if( *puiTimestamp < pxTraceTimestamp->latestTimestamp )
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{
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pxTraceTimestamp->wraparounds++;
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}
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break;
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case TRC_FREE_RUNNING_32BIT_DECR:
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case TRC_CUSTOM_TIMER_DECR:
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*puiTimestamp = TRC_HWTC_COUNT;
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if( *puiTimestamp > pxTraceTimestamp->latestTimestamp )
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{
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pxTraceTimestamp->wraparounds++;
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}
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break;
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case TRC_OS_TIMER_INCR:
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case TRC_OS_TIMER_DECR:
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*puiTimestamp = ( ( TRC_HWTC_COUNT ) & 0x00FFFFFFU ) + ( ( pxTraceTimestamp->osTickCount & 0x000000FFU ) << 24 );
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pxTraceTimestamp->wraparounds = pxTraceTimestamp->osTickCount;
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break;
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default:
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return TRC_FAIL;
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}
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pxTraceTimestamp->latestTimestamp = *puiTimestamp;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampGetWraparounds( uint32_t * puiTimerWraparounds )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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/* This should never fail */
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TRC_ASSERT( puiTimerWraparounds != 0 );
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*puiTimerWraparounds = pxTraceTimestamp->wraparounds;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampSetFrequency( TraceUnsignedBaseType_t uxFrequency )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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pxTraceTimestamp->frequency = uxFrequency;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampSetPeriod( uint32_t uiPeriod )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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pxTraceTimestamp->period = uiPeriod;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampSetOsTickCount( uint32_t uiOsTickCount )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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pxTraceTimestamp->osTickCount = uiOsTickCount;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampGetFrequency( TraceUnsignedBaseType_t * puxFrequency )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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/* This should never fail */
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TRC_ASSERT( puxFrequency != 0 );
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*puxFrequency = pxTraceTimestamp->frequency;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampGetPeriod( uint32_t * puiPeriod )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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/* This should never fail */
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TRC_ASSERT( puiPeriod != 0 );
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*puiPeriod = pxTraceTimestamp->period;
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return TRC_SUCCESS;
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}
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traceResult xTraceTimestampGetOsTickCount( uint32_t * puiOsTickCount )
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{
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/* This should never fail */
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TRC_ASSERT( xTraceIsComponentInitialized( TRC_RECORDER_COMPONENT_TIMESTAMP ) );
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/* This should never fail */
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TRC_ASSERT( puiOsTickCount != 0 );
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*puiOsTickCount = pxTraceTimestamp->osTickCount;
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return TRC_SUCCESS;
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}
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#endif /* ((TRC_CFG_USE_TRACE_ASSERT) == 1) */
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#endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
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#endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
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