SEGGER_SYSVIEW_Config_NoOS.c
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/*********************************************************************
* 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_NoOS.c
Purpose : Sample setup configuration of SystemView without an OS.
Revision: $Rev: 9599 $
*/
#include "SEGGER_SYSVIEW.h"
#include "SEGGER_SYSVIEW_Conf.h"
// SystemcoreClock can be used in most CMSIS compatible projects.
// In non-CMSIS projects define SYSVIEW_CPU_FREQ.
extern unsigned int SystemCoreClock;
/*********************************************************************
*
* Defines, configurable
*
**********************************************************************
*/
// The application name to be displayed in SystemViewer
#define SYSVIEW_APP_NAME "Gavin-Demo Application"
// The target device name
#define SYSVIEW_DEVICE_NAME "Cortex-M4"
// Frequency of the timestamp. Must match SEGGER_SYSVIEW_Conf.h
#define SYSVIEW_TIMESTAMP_FREQ (SystemCoreClock)
// System Frequency. SystemcoreClock is used in most CMSIS compatible projects.
#define SYSVIEW_CPU_FREQ (SystemCoreClock)
// The lowest RAM address used for IDs (pointers)
#define SYSVIEW_RAM_BASE (0x20000000)
// Define as 1 if the Cortex-M cycle counter is used as SystemView timestamp. Must match SEGGER_SYSVIEW_Conf.h
#ifndef USE_CYCCNT_TIMESTAMP
#define USE_CYCCNT_TIMESTAMP 1
#endif
// Define as 1 if the Cortex-M cycle counter is used and there might be no debugger attached while recording.
#ifndef ENABLE_DWT_CYCCNT
#define ENABLE_DWT_CYCCNT (USE_CYCCNT_TIMESTAMP & SEGGER_SYSVIEW_POST_MORTEM_MODE)
#endif
/*********************************************************************
*
* Defines, fixed
*
**********************************************************************
*/
#define DEMCR (*(volatile unsigned long*) (0xE000EDFCuL)) // Debug Exception and Monitor Control Register
#define TRACEENA_BIT (1uL << 24) // Trace enable bit
#define DWT_CTRL (*(volatile unsigned long*) (0xE0001000uL)) // DWT Control Register
#define NOCYCCNT_BIT (1uL << 25) // Cycle counter support bit
#define CYCCNTENA_BIT (1uL << 0) // Cycle counter enable bit
/*********************************************************************
*
* _cbSendSystemDesc()
*
* Function description
* Sends SystemView description strings.
*/
static void _cbSendSystemDesc(void) {
SEGGER_SYSVIEW_SendSysDesc("N="SYSVIEW_APP_NAME",D="SYSVIEW_DEVICE_NAME);
SEGGER_SYSVIEW_SendSysDesc("I#15=SysTick");
//SEGGER_SYSVIEW_SendSysDesc("I#93=OTG_HS_IRQHandler");
SEGGER_SYSVIEW_SendSysDesc("I#56=rfIRQ-0");
SEGGER_SYSVIEW_SendSysDesc("I#26=rfIRQ-2");
SEGGER_SYSVIEW_SendSysDesc("I#39=rfIRQ-3");
SEGGER_SYSVIEW_SendSysDesc("I#44=Timer2.5ms");
}
/*********************************************************************
*
* Global functions
*
**********************************************************************
*/
void SEGGER_SYSVIEW_Conf(void) {
#if USE_CYCCNT_TIMESTAMP
#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
}
}
#endif
SEGGER_SYSVIEW_Init(SYSVIEW_TIMESTAMP_FREQ, SYSVIEW_CPU_FREQ,
0, _cbSendSystemDesc);
SEGGER_SYSVIEW_SetRAMBase(SYSVIEW_RAM_BASE);
}
/*************************** End of file ****************************/