1 /*
2  * Trace Recorder for Tracealyzer v4.6.6
3  * Copyright 2021 Percepio AB
4  * www.percepio.com
5  *
6  * SPDX-License-Identifier: Apache-2.0
7  *
8  * The implementation of the internal buffer.
9  */
10 
11 #include <trcRecorder.h>
12 
13 #if (TRC_USE_TRACEALYZER_RECORDER == 1)
14 
15 #if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
16 
17 #if (TRC_USE_INTERNAL_BUFFER == 1)
18 
19 #include <stdio.h>
20 #include <string.h>
21 #include <stdarg.h>
22 
23 static TraceMultiCoreEventBuffer_t *pxInternalEventBuffer;
24 
xTraceInternalEventBufferInitialize(uint8_t * puiBuffer,uint32_t uiSize)25 traceResult xTraceInternalEventBufferInitialize(uint8_t* puiBuffer, uint32_t uiSize)
26 {
27 	/* uiSize must be larger than sizeof(TraceMultiCoreEventBuffer_t) or there will be no room for any data */
28 	/* This should never fail */
29 	TRC_ASSERT(uiSize > sizeof(TraceMultiCoreEventBuffer_t));
30 
31 	/* pxInternalBuffer will be placed at the beginning of the puiBuffer */
32 	pxInternalEventBuffer = (TraceMultiCoreEventBuffer_t*)puiBuffer;
33 
34 	/* Send in a an address pointing after the TraceMultiCoreEventBuffer_t */
35 	/* We need to check this */
36 	if (xTraceMultiCoreEventBufferInitialize(pxInternalEventBuffer, TRC_EVENT_BUFFER_OPTION_SKIP,
37 		&puiBuffer[sizeof(TraceMultiCoreEventBuffer_t)], uiSize - sizeof(TraceMultiCoreEventBuffer_t)) == TRC_FAIL)
38 	{
39 		return TRC_FAIL;
40 	}
41 
42 	xTraceSetComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER);
43 
44 	return TRC_SUCCESS;
45 }
46 
xTraceInternalEventBufferPush(void * pvData,uint32_t uiSize,int32_t * piBytesWritten)47 traceResult xTraceInternalEventBufferPush(void *pvData, uint32_t uiSize, int32_t *piBytesWritten)
48 {
49 	/* This should never fail */
50 	TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
51 
52 	return xTraceMultiCoreEventBufferPush(pxInternalEventBuffer, pvData, uiSize, piBytesWritten);
53 }
54 
xTraceInternalEventBufferTransfer(int32_t * piBytesWritten)55 traceResult xTraceInternalEventBufferTransfer(int32_t *piBytesWritten)
56 {
57 	/* This should never fail */
58 	TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
59 
60 	return xTraceMultiCoreEventBufferTransfer(pxInternalEventBuffer, piBytesWritten);
61 }
62 
xTraceInternalEventBufferClear()63 traceResult xTraceInternalEventBufferClear()
64 {
65 	/* This should never fail */
66 	TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
67 
68 	return xTraceMultiCoreEventBufferClear(pxInternalEventBuffer);
69 }
70 
71 #endif /* (TRC_USE_INTERNAL_BUFFER == 1) */
72 
73 #endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
74 
75 #endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
76