1 /*******************************************************************************
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2 * Trace Recorder Library for Tracealyzer v3.1.2
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3 * Percepio AB, www.percepio.com
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7 * The interface definitions for trace streaming ("stream ports").
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8 * This "stream port" sets up the recorder to use TCP/IP as streaming channel.
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9 * The example is for lwIP.
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12 * This file is part of the trace recorder library (RECORDER), which is the
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13 * intellectual property of Percepio AB (PERCEPIO) and provided under a
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14 * license as follows.
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15 * The RECORDER may be used free of charge for the purpose of recording data
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16 * intended for analysis in PERCEPIO products. It may not be used or modified
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17 * for other purposes without explicit permission from PERCEPIO.
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18 * You may distribute the RECORDER in its original source code form, assuming
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19 * this text (terms of use, disclaimer, copyright notice) is unchanged. You are
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20 * allowed to distribute the RECORDER with minor modifications intended for
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21 * configuration or porting of the RECORDER, e.g., to allow using it on a
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22 * specific processor, processor family or with a specific communication
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23 * interface. Any such modifications should be documented directly below
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24 * this comment block.
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27 * The RECORDER is being delivered to you AS IS and PERCEPIO makes no warranty
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28 * as to its use or performance. PERCEPIO does not and cannot warrant the
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29 * performance or results you may obtain by using the RECORDER or documentation.
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30 * PERCEPIO make no warranties, express or implied, as to noninfringement of
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31 * third party rights, merchantability, or fitness for any particular purpose.
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32 * In no event will PERCEPIO, its technology partners, or distributors be liable
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33 * to you for any consequential, incidental or special damages, including any
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34 * lost profits or lost savings, even if a representative of PERCEPIO has been
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35 * advised of the possibility of such damages, or for any claim by any third
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36 * party. Some jurisdictions do not allow the exclusion or limitation of
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37 * incidental, consequential or special damages, or the exclusion of implied
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38 * warranties or limitations on how long an implied warranty may last, so the
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39 * above limitations may not apply to you.
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41 * Tabs are used for indent in this file (1 tab = 4 spaces)
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43 * Copyright Percepio AB, 2017.
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45 ******************************************************************************/
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47 #ifndef TRC_STREAMING_PORT_H
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48 #define TRC_STREAMING_PORT_H
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54 /*******************************************************************************
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55 * TRC_RECORDER_TRANSFER_METHOD_TCPIP
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57 * This stream port for TCP/IP uses a temporary buffer consisting of multiple
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58 * pages, that are transmitted periodically by the TzCtrl task. You can modify
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59 * the supporting functions to match your system. See trcStreamingPort.c
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60 ******************************************************************************/
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62 int32_t trcTcpWrite(void* data, uint32_t size, int32_t *ptrBytesWritten);
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63 int32_t trcTcpRead(void* data, uint32_t size, int32_t *ptrBytesRead);
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65 #if TRC_CFG_RECORDER_BUFFER_ALLOCATION == TRC_RECORDER_BUFFER_ALLOCATION_STATIC
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66 #define TRC_STREAM_PORT_ALLOCATE_FIELDS() static char _TzTraceData[TRC_CFG_PAGED_EVENT_BUFFER_PAGE_COUNT * TRC_CFG_PAGED_EVENT_BUFFER_PAGE_SIZE]; /* Static allocation. */
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67 #define TRC_STREAM_PORT_MALLOC() /* Static allocation. Not used. */
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69 #define TRC_STREAM_PORT_ALLOCATE_FIELDS() static char* _TzTraceData = NULL; /* Dynamic allocation. */
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70 #define TRC_STREAM_PORT_MALLOC() _TzTraceData = TRC_PORT_MALLOC(TRC_CFG_PAGED_EVENT_BUFFER_PAGE_COUNT * TRC_CFG_PAGED_EVENT_BUFFER_PAGE_SIZE);
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73 #define TRC_STREAM_PORT_INIT() \
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74 TRC_STREAM_PORT_MALLOC(); /*Dynamic allocation or empty if static */ \
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75 prvPagedEventBufferInit(_TzTraceData);
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77 #define TRC_STREAM_PORT_ALLOCATE_EVENT(_type, _ptrData, _size) _type* _ptrData; _ptrData = (_type*)prvPagedEventBufferGetWritePointer(_size);
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78 #define TRC_STREAM_PORT_ALLOCATE_DYNAMIC_EVENT(_type, _ptrData, _size) TRC_STREAM_PORT_ALLOCATE_EVENT(_type, _ptrData, _size) /* We do the same thing as for non-dynamic event sizes */
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79 #define TRC_STREAM_PORT_COMMIT_EVENT(_ptrData, _size) /* Not needed since we write immediately into the buffer received above by TRC_STREAM_PORT_ALLOCATE_EVENT, and the TRC_STREAM_PORT_PERIODIC_SEND_DATA defined below will take care of the actual trace transfer. */
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80 #define TRC_STREAM_PORT_READ_DATA(_ptrData, _size, _ptrBytesRead) trcTcpRead(_ptrData, _size, _ptrBytesRead);
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81 #define TRC_STREAM_PORT_PERIODIC_SEND_DATA(_ptrBytesSent) prvPagedEventBufferTransfer(trcTcpWrite, _ptrBytesSent);
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83 #define TRC_STREAM_PORT_ON_TRACE_BEGIN() prvPagedEventBufferInit(_TzTraceData);
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84 #define TRC_STREAM_PORT_ON_TRACE_END() /* Do nothing */
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90 #endif /* TRC_STREAMING_PORT_H */
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