STM32H750XB_Hello/Middlewares/Third_Party/SystemView/Sample/embOS/Config/Cortex-M/SEGGER_SYSVIEW_Config_embOS.c

145 lines
6.7 KiB
C

/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2021 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER SystemView * Real-time application analysis *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the SystemView and RTT protocol, and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
* *
* SystemView version: 3.30 *
* *
**********************************************************************
-------------------------- END-OF-HEADER -----------------------------
File : SEGGER_SYSVIEW_Config_embOS.c
Purpose : Sample setup configuration of SystemView with embOS.
Revision: $Rev: 21319 $
*/
#include "RTOS.h"
#include "SEGGER_SYSVIEW.h"
#include "SEGGER_SYSVIEW_embOS.h"
/*********************************************************************
*
* Defines, fixed
*
**********************************************************************
*/
#define DEMCR (*(volatile U32*) (0xE000EDFCuL)) // Debug Exception and Monitor Control Register
#define TRACEENA_BIT (1uL << 24) // Trace enable bit
#define DWT_CTRL (*(volatile U32*) (0xE0001000uL)) // DWT Control Register
#define NOCYCCNT_BIT (1uL << 25) // Cycle counter support bit
#define CYCCNTENA_BIT (1uL << 0) // Cycle counter enable bit
//
// If events will be recorded without a debug probe (J-Link) attached,
// enable the cycle counter
//
#define ENABLE_DWT_CYCCNT (SEGGER_SYSVIEW_POST_MORTEM_MODE || SEGGER_SYSVIEW_USE_INTERNAL_RECORDER)
/*********************************************************************
*
* Local functions
*
**********************************************************************
*/
/*********************************************************************
*
* _cbSendSystemDesc()
*
* Function description
* Sends SystemView description strings.
*/
static void _cbSendSystemDesc(void) {
SEGGER_SYSVIEW_SendSysDesc("N=" SEGGER_SYSVIEW_APP_NAME ",O=embOS,D=" SEGGER_SYSVIEW_DEVICE_NAME );
#ifdef SEGGER_SYSVIEW_SYSDESC0
SEGGER_SYSVIEW_SendSysDesc(SEGGER_SYSVIEW_SYSDESC0);
#endif
#ifdef SEGGER_SYSVIEW_SYSDESC1
SEGGER_SYSVIEW_SendSysDesc(SEGGER_SYSVIEW_SYSDESC1);
#endif
#ifdef SEGGER_SYSVIEW_SYSDESC2
SEGGER_SYSVIEW_SendSysDesc(SEGGER_SYSVIEW_SYSDESC2);
#endif
}
/*********************************************************************
*
* Global functions
*
**********************************************************************
*/
/*********************************************************************
*
* SEGGER_SYSVIEW_Conf()
*
* Function description
* Configure and initialize SystemView and register it with embOS.
*
* Additional information
* If enabled, SEGGER_SYSVIEW_Conf() will also immediately start
* recording events with SystemView.
*/
void SEGGER_SYSVIEW_Conf(void) {
#if ENABLE_DWT_CYCCNT
//
// If no debugger is connected, the DWT must be enabled by the application
//
if ((DEMCR & TRACEENA_BIT) == 0) {
DEMCR |= TRACEENA_BIT;
}
#endif
//
// The cycle counter must be activated in order
// to use time related functions.
//
if ((DWT_CTRL & NOCYCCNT_BIT) == 0) { // Cycle counter supported?
if ((DWT_CTRL & CYCCNTENA_BIT) == 0) { // Cycle counter not enabled?
DWT_CTRL |= CYCCNTENA_BIT; // Enable Cycle counter
}
}
SEGGER_SYSVIEW_Init(SEGGER_SYSVIEW_TIMESTAMP_FREQ, SEGGER_SYSVIEW_CPU_FREQ,
&SYSVIEW_X_OS_TraceAPI, _cbSendSystemDesc);
OS_TRACE_SetAPI(&embOS_TraceAPI_SYSVIEW); // Configure embOS to use SYSVIEW.
#if SEGGER_SYSVIEW_START_ON_INIT
SEGGER_SYSVIEW_Start(); // Start recording to catch system initialization.
#endif
}
/*************************** End of file ****************************/