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FreeRTOS/FreeRTOS-Plus/Source/FreeRTOS-Plus-Trace/trcString.c

75 lines
1.9 KiB
C

/*
* Percepio Trace Recorder for Tracealyzer v4.6.0
* Copyright 2021 Percepio AB
* www.percepio.com
*
* SPDX-License-Identifier: Apache-2.0
*
* The implementation for strings.
*/
#include <trcRecorder.h>
#if (TRC_USE_TRACEALYZER_RECORDER == 1)
#if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
traceResult xTraceStringRegister(const char* szString, TraceStringHandle_t *pString)
{
TraceEntryHandle_t xEntryHandle;
TraceEventHandle_t xEventHandle = 0;
uint32_t i = 0, uiLength = 0, uiValue = 0;
/* This should never fail */
TRC_ASSERT(szString != 0);
/* This should never fail */
TRC_ASSERT(pString != 0);
/* We need to check this */
if (xTraceEntryCreate(&xEntryHandle) == TRC_FAIL)
{
return TRC_FAIL;
}
/* The address to the available symbol table slot is the address we use */
/* This should never fail */
TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntrySetSymbol(xEntryHandle, szString) == TRC_SUCCESS);
*pString = (TraceStringHandle_t)xEntryHandle;
for (i = 0; (szString[i] != 0) && (i < (TRC_ENTRY_TABLE_SLOT_SYMBOL_SIZE)); i++) {}
uiLength = i;
/* We need to check this */
if (xTraceEventBegin(PSF_EVENT_OBJ_NAME, sizeof(void*) + uiLength, &xEventHandle) == TRC_SUCCESS)
{
xTraceEventAddPointer(xEventHandle, (void*)xEntryHandle);
xTraceEventAddData(xEventHandle, (void*)szString, uiLength);
/* Check if we can truncate */
xTraceEventPayloadRemaining(xEventHandle, &uiValue);
if (uiValue > 0)
{
xTraceEventAdd8(xEventHandle, 0);
}
xTraceEventEnd(xEventHandle);
}
return TRC_SUCCESS;
}
TraceStringHandle_t xTraceRegisterString(const char *name)
{
TraceStringHandle_t trcStr = 0;
xTraceStringRegister(name, &trcStr);
return trcStr;
}
#endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
#endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */