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trcTimestamp.c
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trcTimestamp.c
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/*
* Trace Recorder for Tracealyzer v4.9.2
* Copyright 2023 Percepio AB
* www.percepio.com
*
* SPDX-License-Identifier: Apache-2.0
*
* The implementation of timestamps.
*/
#include <trcRecorder.h>
#if (TRC_USE_TRACEALYZER_RECORDER == 1) && (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
TraceTimestampData_t *pxTraceTimestamp TRC_CFG_RECORDER_DATA_ATTRIBUTE;
traceResult xTraceTimestampInitialize(TraceTimestampData_t *pxBuffer)
{
/* This should never fail */
TRC_ASSERT(pxBuffer != (void*)0);
pxTraceTimestamp = pxBuffer;
/* These will be set when tracing is enabled */
pxTraceTimestamp->frequency = 0u;
pxTraceTimestamp->period = 0u;
pxTraceTimestamp->osTickHz = TRC_TICK_RATE_HZ;
pxTraceTimestamp->osTickCount = 0u;
pxTraceTimestamp->wraparounds = 0u;
pxTraceTimestamp->type = TRC_HWTC_TYPE;
#if (TRC_HWTC_TYPE == TRC_FREE_RUNNING_32BIT_INCR || TRC_HWTC_TYPE == TRC_CUSTOM_TIMER_INCR || TRC_HWTC_TYPE == TRC_OS_TIMER_INCR)
pxTraceTimestamp->latestTimestamp = 0u;
#elif (TRC_HWTC_TYPE == TRC_FREE_RUNNING_32BIT_DECR || TRC_HWTC_TYPE == TRC_CUSTOM_TIMER_DECR || TRC_HWTC_TYPE == TRC_OS_TIMER_DECR)
pxTraceTimestamp->latestTimestamp = pxTraceTimestamp->period - 1u;
#endif
xTraceSetComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP);
return TRC_SUCCESS;
}
#if ((TRC_CFG_USE_TRACE_ASSERT) == 1)
traceResult xTraceTimestampGet(uint32_t *puiTimestamp)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
/* This should never fail */
TRC_ASSERT(puiTimestamp != (void*)0);
switch (pxTraceTimestamp->type)
{
case TRC_FREE_RUNNING_32BIT_INCR:
case TRC_CUSTOM_TIMER_INCR:
*puiTimestamp = (uint32_t)(TRC_HWTC_COUNT);
if (*puiTimestamp < pxTraceTimestamp->latestTimestamp)
{
pxTraceTimestamp->wraparounds++;
}
break;
case TRC_FREE_RUNNING_32BIT_DECR:
case TRC_CUSTOM_TIMER_DECR:
*puiTimestamp = (uint32_t)(TRC_HWTC_COUNT);
if (*puiTimestamp > pxTraceTimestamp->latestTimestamp)
{
pxTraceTimestamp->wraparounds++;
}
break;
case TRC_OS_TIMER_INCR:
case TRC_OS_TIMER_DECR:
*puiTimestamp = (((uint32_t)(TRC_HWTC_COUNT)) & 0x00FFFFFFUL) + ((pxTraceTimestamp->osTickCount & 0x000000FFUL) << 24);
pxTraceTimestamp->wraparounds = pxTraceTimestamp->osTickCount;
break;
default:
return TRC_FAIL;
}
pxTraceTimestamp->latestTimestamp = *puiTimestamp;
return TRC_SUCCESS;
}
traceResult xTraceTimestampGetWraparounds(uint32_t* puiTimerWraparounds)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
/* This should never fail */
TRC_ASSERT(puiTimerWraparounds != (void*)0);
*puiTimerWraparounds = pxTraceTimestamp->wraparounds;
return TRC_SUCCESS;
}
traceResult xTraceTimestampSetFrequency(TraceUnsignedBaseType_t uxFrequency)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
pxTraceTimestamp->frequency = uxFrequency;
return TRC_SUCCESS;
}
traceResult xTraceTimestampSetPeriod(uint32_t uiPeriod)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
pxTraceTimestamp->period = uiPeriod;
return TRC_SUCCESS;
}
traceResult xTraceTimestampSetOsTickCount(uint32_t uiOsTickCount)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
pxTraceTimestamp->osTickCount = uiOsTickCount;
return TRC_SUCCESS;
}
traceResult xTraceTimestampGetFrequency(TraceUnsignedBaseType_t *puxFrequency)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
/* This should never fail */
TRC_ASSERT(puxFrequency != (void*)0);
*puxFrequency = pxTraceTimestamp->frequency;
return TRC_SUCCESS;
}
traceResult xTraceTimestampGetPeriod(uint32_t *puiPeriod)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
/* This should never fail */
TRC_ASSERT(puiPeriod != (void*)0);
*puiPeriod = pxTraceTimestamp->period;
return TRC_SUCCESS;
}
traceResult xTraceTimestampGetOsTickCount(uint32_t* puiOsTickCount)
{
/* This should never fail */
TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP));
/* This should never fail */
TRC_ASSERT(puiOsTickCount != (void*)0);
*puiOsTickCount = pxTraceTimestamp->osTickCount;
return TRC_SUCCESS;
}
#endif
#endif