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Add FreeRTOS-Plus directory.

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Richard Barry 2012-08-11 21:34:11 +00:00
parent 7bd5f21ad5
commit f508a5f653
6798 changed files with 134949 additions and 19 deletions
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FreeRTOS-Plus/FreeRTOS-Plus-Trace/trcPort.c Normal file
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/*******************************************************************************
* FreeRTOS+Trace v2.2.3 Recorder Library
* Percepio AB, www.percepio.se
*
* trcPort.c
*
* Contains all portability issues of the trace recorder library.
* See also trcPort.h, where port-specific macros are defined.
*
* Terms of Use
* This software is copyright Percepio AB. The recorder library is free for
* use together with Percepio products. You may distribute the recorder library
* in its original form, including modifications in trcPort.c and trcPort.h
* given that these modification are clearly marked as your own modifications
* and documented in the initial comment section of these source files.
* This software is the intellectual property of Percepio AB and may not be
* sold or in other ways commercially redistributed without explicit written
* permission by Percepio AB.
*
* Disclaimer
* The trace tool and recorder library is being delivered to you AS IS and
* Percepio AB makes no warranty as to its use or performance. Percepio AB does
* not and cannot warrant the performance or results you may obtain by using the
* software or documentation. Percepio AB make no warranties, express or
* implied, as to noninfringement of third party rights, merchantability, or
* fitness for any particular purpose. In no event will Percepio AB, its
* technology partners, or distributors be liable to you for any consequential,
* incidental or special damages, including any lost profits or lost savings,
* even if a representative of Percepio AB has been advised of the possibility
* of such damages, or for any claim by any third party. Some jurisdictions do
* not allow the exclusion or limitation of incidental, consequential or special
* damages, or the exclusion of implied warranties or limitations on how long an
* implied warranty may last, so the above limitations may not apply to you.
*
* OFFER FROM PERCEPIO:
* For silicon companies and non-corporate FreeRTOS users (researchers, students
* , hobbyists or early-phase startups) we have an attractive offer:
* Provide a hardware timer port and get a FREE single-user licence for
* FreeRTOS+Trace Professional Edition. Read more about this offer at
* www.percepio.se or contact us directly at support@percepio.se.
*
* FreeRTOS+Trace is available as Free Edition and in two premium editions.
* You may use the premium features during 30 days for evaluation.
* Download FreeRTOS+Trace at http://www.percepio.se/index.php?page=downloads
*
* Copyright Percepio AB, 2012.
* www.percepio.se
******************************************************************************/
#include "FreeRTOS.h"
#include "trcPort.h"
#include "trcUser.h"
#if (configUSE_TRACE_FACILITY == 1)
#if (INCLUDE_SAVE_TO_FILE == 1)
static char* prvFileName = NULL;
#endif
/*******************************************************************************
* uiTraceTickCount
*
* This variable is updated by the traceTASK_INCREMENT_TICK macro in the
* FreeRTOS tick handler. This does not need to be modified when developing a
* new timer port. It is prefered to keep any timer port changes in the HWTC
* macro definitions, which typically give sufficient flexibility.
******************************************************************************/
uint32_t uiTraceTickCount = 0;
/******************************************************************************
* uiTracePortGetTimeStamp
*
* Returns the current time based on the HWTC macros which provide a hardware
* isolation layer towards the hardware timer/counter.
*
* The HWTC macros and uiTracePortGetTimeStamp is the main porting issue
* or the trace recorder library. Typically you should not need to change
* the code of uiTracePortGetTimeStamp if using the HWTC macros.
*
* OFFER FROM PERCEPIO:
* For silicon companies and non-corporate FreeRTOS users (researchers, students
* , hobbyists or early-phase startups) we have an attractive offer:
* Provide a hardware timer port and get a FREE single-user licence for
* FreeRTOS+Trace Professional Edition. Read more about this offer at
* www.percepio.se or contact us directly at support@percepio.se.
******************************************************************************/
uint32_t uiTracePortGetTimeStamp()
{
/* Keep these static to avoid using more stack than necessary */
static uint32_t last_timestamp = 0;
static uint32_t timestamp;
#if (HWTC_COUNT_DIRECTION == DIRECTION_INCREMENTING)
timestamp = ((uiTraceTickCount * HWTC_PERIOD) + HWTC_COUNT) / HWTC_DIVISOR;
#else
#if (HWTC_COUNT_DIRECTION == DIRECTION_DECREMENTING)
timestamp = ((uiTraceTickCount * HWTC_PERIOD) + (HWTC_PERIOD - HWTC_COUNT)) / HWTC_DIVISOR;
#else
Junk text to cause compiler error - HWTC_COUNT_DIRECTION is not set correctly!
Should be DIRECTION_INCREMENTING or DIRECTION_DECREMENTING
#endif
#endif
/* May occur due to overflow, if the update of uiTraceTickCount has been
delayed due to disabled interrupts. */
if (timestamp < last_timestamp)
{
timestamp += (HWTC_PERIOD / HWTC_DIVISOR);
}
last_timestamp = timestamp;
return timestamp;
}
/*******************************************************************************
* vTracePortEnd
*
* This function is called by the monitor when a recorder stop is detected.
* This is used by the Win32 port to store the trace to a file. The file path is
* set using vTracePortSetOutFile.
******************************************************************************/
void vTracePortEnd()
{
vTraceConsoleMessage("\n\r[FreeRTOS+Trace] Running vTracePortEnd.\n\r");
#if (WIN32_PORT_SAVE_WHEN_STOPPED == 1)
vTracePortSave();
#endif
#if (WIN32_PORT_EXIT_WHEN_STOPPED == 1)
/* In the FreeRTOS/Win32 demo, this allows for killing the application
when the recorder is stopped (e.g., when the buffer is full) */
system("pause");
exit(0);
#endif
}
#if (INCLUDE_SAVE_TO_FILE == 1)
/*******************************************************************************
* vTracePortSetOutFile
*
* Sets the filename/path used in vTracePortSave.
* This is set in a separate function, since the Win32 port calls vTracePortSave
* in vTracePortEnd if WIN32_PORT_SAVE_WHEN_STOPPED is set.
******************************************************************************/
void vTracePortSetOutFile(char* path)
{
prvFileName = path;
}
/*******************************************************************************
* vTracePortSave
*
* Saves the trace to a file on a local file system. The path is set in a
* separate function, vTracePortSetOutFile, since the Win32 port calls
* vTracePortSave in vTracePortEnd if WIN32_PORT_SAVE_WHEN_STOPPED is set.
******************************************************************************/
void vTracePortSave()
{
char buf[180];
FILE* f;
if (prvFileName == NULL)
{
prvFileName = "FreeRTOSPlusTrace.dump";
sprintf(buf, "No filename specified, using default \"%s\".", prvFileName);
vTraceConsoleMessage(buf);
}
fopen_s(&f, prvFileName, "wb");
if (f)
{
fwrite(RecorderDataPtr, sizeof(RecorderDataType), 1, f);
fclose(f);
sprintf(buf, "\n\r[FreeRTOS+Trace] Saved in: %s\n\r", prvFileName);
vTraceConsoleMessage(buf);
}
else
{
sprintf(buf, "\n\r[FreeRTOS+Trace] Failed to write to output file!\n\r");
vTraceConsoleMessage(buf);
}
}
#endif
#endif