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136 lines
5.1 KiB
C
136 lines
5.1 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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* An example of a Tracealyzer extension for tracing API calls, in this case
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* for tracing selected functions in Amazon FreeRTOS/aws_wifi.
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* See trcExtensions.h for information on how to use this.
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*
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* To create your own extension, first make sure to read the documentation
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* in trcExtensions.h. Then, to create an extension header file like this
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* one, you need to provide:
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*
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* - Extension Definitions - name and event codes of the extensions.
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*
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* - Trace Wrappers - calls the original function and traces the event.
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*
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* - Function Redefinitions - changes the function calls to the trace wrappers.
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*
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* See the below comments for details about these definitions. Note that you
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* also need a matching .xml file for Tracealyzer to understand the data.
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* See trcExtensions.h for further information.
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*/
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#ifndef _AWS_WIFI_TZEXT_H
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#define _AWS_WIFI_TZEXT_H
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/***** Extension Definitions (must use the same prefix!) *****/
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/******************************************************************************
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* <EXTENSIONPREFIX>_NAME
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* The name of the extension as a string constant. This name is used by the
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* Tracealyzer host application to find the right XML file for interpreting
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* the events. Assuming the extension name is "aws_secure_sockets", Tracealyzer
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* will look for an XML file named "aws_secure_sockets-<VERSION>.xml", first in
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* the folder of the current trace file, next in the Tracealyzer 4/cfg folder.
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* For the VERSION part, see the TRC_EXT_<ExtName>_VERSION macros below.
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*
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* Note: The extension name displayed in Tracealyzer is defined in the XML file
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* in the EventGroup element (e.g. <EventGroup name="SOCKETS">)
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*
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*****************************************************************************/
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#define TRC_EXT_WIFI_NAME "aws_wifi"
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/******************************************************************************
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* <EXTENSIONPREFIX>_VERSION_MAJOR
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* <EXTENSIONPREFIX>_VERSION_MINOR
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* <EXTENSIONPREFIX>_VERSION_PATCH
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*
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* The version code of the extension (MAJOR.MINOR.PATCH)
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*
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* If you increment the version code when modifying an extension, you can still
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* show old traces recorded using an earlier version of the extension.
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*
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* Assuming the extension name is "aws_secure_sockets", and the below version
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* codes are 1 (MAJOR), 2 (MINOR), 3 (PATCH), Tracealyzer will assume the
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* corresponding XML file is named "aws_secure_sockets-v1.2.3.xml". So if then
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* view a trace recorded with extension version 1.2.2, those traces will look
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* for "aws_secure_sockets-v1.2.2.xml" instead.
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*
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* Note that major and minor are stored as 8 bit values, while patch is stored
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* using 16 bits. They are treated as unsigned integers, so the maximum values
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* are 256, 256 and 65535.
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*****************************************************************************/
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#define TRC_EXT_WIFI_VERSION_MAJOR 1
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#define TRC_EXT_WIFI_VERSION_MINOR 0
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#define TRC_EXT_WIFI_VERSION_PATCH 0
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/******************************************************************************
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* <EXTENSIONPREFIX>_<EVENTCODE>
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* The event codes used in the trace wrapper functions. Important that these
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* are relative to <PREFIX>_FIRST.
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*****************************************************************************/
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#define EVENTCODE_WIFI_On (TRC_EXT_BASECODE + 0)
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#define EVENTCODE_WIFI_Off (TRC_EXT_BASECODE + 1)
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#define EVENTCODE_WIFI_ConnectAP (TRC_EXT_BASECODE + 2)
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/******************************************************************************
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* <EXTENSIONPREFIX>_COUNT
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* The number of event codes used by this extension. Should be at least 1.
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* Tracealyzer allows for events codes up to 4095.
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*****************************************************************************/
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#define TRC_EXT_WIFI_COUNT 3
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/***** Trace Wrappers *****/
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#include <aws_wifi.h> /* Including the original header file, so that custom data types are understood. */
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static inline WIFIReturnCode_t WIFI_On__trace( void )
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{
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WIFIReturnCode_t ret = WIFI_On();
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// Note: The host-side xml file assumes that ret == 0 means OK, otherwise timeout/error.
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prvTraceStoreEvent1(EVENTCODE_WIFI_On, (uint32_t)ret);
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return ret;
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}
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static inline WIFIReturnCode_t WIFI_Off__trace( void )
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{
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WIFIReturnCode_t ret = WIFI_Off();
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// Note: The host-side xml file assumes that ret == 0 means OK, otherwise timeout/error.
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prvTraceStoreEvent1(EVENTCODE_WIFI_Off, (uint32_t)ret);
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return ret;
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}
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static inline WIFIReturnCode_t WIFI_ConnectAP__trace( const WIFINetworkParams_t * const pxNetworkParams )
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{
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WIFIReturnCode_t ret = WIFI_ConnectAP(pxNetworkParams);
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// Note: The host-side xml file assumes that ret == 0 means OK, otherwise timeout/error.
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prvTraceStoreStringEvent(2, EVENTCODE_WIFI_ConnectAP, pxNetworkParams->pcSSID, pxNetworkParams->xSecurity, ret);
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return ret;
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}
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/***** Function Redefinitions *****/
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#define WIFI_On WIFI_On__trace
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#define WIFI_Off WIFI_Off__trace
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#define WIFI_ConnectAP WIFI_ConnectAP__trace
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#endif /* _AWS_SECURE_SOCKETS2_TZEXT_H */
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