274 lines
11 KiB
C
274 lines
11 KiB
C
/** Copyright (C) SEGGER Microcontroller GmbH */ /* << EST */
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/*********************************************************************
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* SEGGER Microcontroller GmbH *
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* The Embedded Experts *
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**********************************************************************
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* *
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* (c) 1995 - 2024 SEGGER Microcontroller GmbH *
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* *
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* www.segger.com Support: support@segger.com *
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* *
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**********************************************************************
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* *
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* SEGGER SystemView * Real-time application analysis *
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* *
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**********************************************************************
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* *
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* All rights reserved. *
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* *
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* SEGGER strongly recommends to not make any changes *
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* to or modify the source code of this software in order to stay *
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* compatible with the SystemView and RTT protocol, and J-Link. *
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* *
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* Redistribution and use in source and binary forms, with or *
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* without modification, are permitted provided that the following *
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* condition is met: *
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* *
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* o Redistributions of source code must retain the above copyright *
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* notice, this condition and the following disclaimer. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
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* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
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* DAMAGE. *
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* *
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**********************************************************************
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* *
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* SystemView version: 3.56 *
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* *
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**********************************************************************
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-------------------------- END-OF-HEADER -----------------------------
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File : SEGGER_SYSVIEW_Config_FreeRTOS.c
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Purpose : Sample setup configuration of SystemView with FreeRTOS.
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Revision: $Rev: 7745 $
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*/
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#include "FreeRTOS.h"
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#include "SEGGER_SYSVIEW.h"
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extern const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI;
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/*********************************************************************
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*
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* Defines, configurable
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*
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**********************************************************************
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*/
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#if 0 /* << EST: original code by SEGGER: */
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// The application name to be displayed in SystemViewer
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#define SYSVIEW_APP_NAME "FreeRTOS Demo Application"
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// The target device name
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#define SYSVIEW_DEVICE_NAME "Cortex-M4"
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// Frequency of the timestamp. Must match SEGGER_SYSVIEW_GET_TIMESTAMP in SEGGER_SYSVIEW_Conf.h
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#define SYSVIEW_TIMESTAMP_FREQ (configCPU_CLOCK_HZ)
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// System Frequency. SystemcoreClock is used in most CMSIS compatible projects.
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#define SYSVIEW_CPU_FREQ configCPU_CLOCK_HZ
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// The lowest RAM address used for IDs (pointers)
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#define SYSVIEW_RAM_BASE (0x10000000)
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#endif
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/* << EST: begin */
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#include "SEGGER_SYSVIEW_Conf.h" /* needed for SEGGER_SYSVIEW_TIMESTAMP_SHIFT */
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#include "McuSystemViewconfig.h"
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#include "McuLib.h"
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//#define SYSVIEW_USING_PEX (McuLib_CONFIG_PEX_SDK_USED) /* 1: project is a Kinetis SDK Processor Expert project; 0: No Kinetis Processor Expert project */
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//#define SYSVIEW_USING_FREERTOS (McuLib_CONFIG_SDK_USE_FREERTOS) /* 1: using FreeRTOS; 0: Bare metal */
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#if SYSVIEW_USING_PEX
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#include "Cpu.h"
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#endif
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#if SYSVIEW_USING_FREERTOS
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#include "FreeRTOS.h"
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#endif
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// The application name to be displayed in SystemViewer
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//#ifndef SYSVIEW_APP_NAME
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// #define SYSVIEW_APP_NAME "Demo Application" /* application name, configured in properties */
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//#endif
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// The operating system, if any
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#if SYSVIEW_USING_FREERTOS
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extern const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI;
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//#define SYSVIEW_OS_NAME "FreeRTOS"
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#define SYSVIEW_OS_API &SYSVIEW_X_OS_TraceAPI
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#else
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//#define SYSVIEW_OS_NAME "Bare-metal"
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#define SYSVIEW_OS_API NULL
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#endif
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/* << EST: end */
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// The target device name
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//#ifndef SYSVIEW_DEVICE_NAME
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// #define SYSVIEW_DEVICE_NAME "Cortex" /* device name, configured in properties */
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//#endif
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// System Frequency. SystemcoreClock is used in most CMSIS compatible projects.
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#if SYSVIEW_USING_FREERTOS
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#define SYSVIEW_CPU_FREQ configCPU_CLOCK_HZ
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#elif SYSVIEW_USING_PEX
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#define SYSVIEW_CPU_FREQ configCPU_CLOCK_HZ
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#else
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/* The SDK variable SystemCoreClock contains the current clock speed */
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extern uint32_t SystemCoreClock;
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#define SYSVIEW_CPU_FREQ (SystemCoreClock) /* CPU clock frequency */
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#endif /* SYSVIEW_USING_KINETIS_SDK */
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// Frequency of the timestamp. Must match SEGGER_SYSVIEW_Conf.h
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#define SYSVIEW_TIMESTAMP_FREQ (configSYSTICK_CLOCK_HZ>>SEGGER_SYSVIEW_TIMESTAMP_SHIFT) /* use FreeRTOS Systick frequency value, as this might depend on prescalers */
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// The lowest RAM address used for IDs (pointers)
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#define SYSVIEW_RAM_BASE (McuSystemView_CONFIG_SYSVIEW_RAM_BASE) /* RAM base, configured in properties */
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#if 1 /* << EST */
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#define portNVIC_SYSTICK_LOAD_REG (*((volatile unsigned long *)0xe000e014)) /* SYST_RVR, SysTick reload value register */
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#define portNVIC_SYSTICK_CURRENT_VALUE_REG (*((volatile unsigned long *)0xe000e018)) /* SYST_CVR, SysTick current value register */
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#define TICK_NOF_BITS 24
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#define COUNTS_UP 0 /* SysTick is counting down to zero */
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#define SET_TICK_DURATION(val) portNVIC_SYSTICK_LOAD_REG = val
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#define GET_TICK_DURATION() portNVIC_SYSTICK_LOAD_REG
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#define GET_TICK_CURRENT_VAL(addr) *(addr)=portNVIC_SYSTICK_CURRENT_VALUE_REG
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uint32_t SEGGER_uxGetTickCounterValue(void) {
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uint32_t val;
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GET_TICK_CURRENT_VAL(&val);
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return val;
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}
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#endif
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#if SEGGER_SYSVIEW_CORE == SEGGER_SYSVIEW_CORE_CM0 /* << EST */
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//
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// SEGGER_SYSVIEW_TickCnt has to be defined in the module which
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// handles the SysTick and must be incremented in the SysTick
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// handler before any SYSVIEW event is generated.
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//
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// Example in embOS RTOSInit.c:
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//
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// unsigned int SEGGER_SYSVIEW_TickCnt; // <<-- Define SEGGER_SYSVIEW_TickCnt.
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// void SysTick_Handler(void) {
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// #if OS_PROFILE
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// SYSVIEW_TickCnt++; // <<-- Increment SEGGER_SYSVIEW_TickCnt before calling OS_EnterNestableInterrupt.
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// #endif
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// OS_EnterNestableInterrupt();
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// OS_TICK_Handle();
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// OS_LeaveNestableInterrupt();
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// }
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//
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extern unsigned int SEGGER_SYSVIEW_TickCnt;
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#ifndef SCB_ICSR
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#define SCB_ICSR (*(volatile U32*) (0xE000ED04uL)) // Interrupt Control State Register
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#endif
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#ifndef SCB_ICSR_PENDSTSET_MASK
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#define SCB_ICSR_PENDSTSET_MASK (1UL << 26) // SysTick pending bit
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#endif
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#ifndef SYST_RVR
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#define SYST_RVR (*(volatile U32*) (0xE000E014uL)) // SysTick Reload Value Register
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#endif
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#ifndef SYST_CVR
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#define SYST_CVR (*(volatile U32*) (0xE000E018uL)) // SysTick Current Value Register
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#endif
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/*********************************************************************
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*
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* SEGGER_SYSVIEW_X_GetTimestamp()
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*
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* Function description
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* Returns the current timestamp in ticks using the system tick
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* count and the SysTick counter.
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* All parameters of the SysTick have to be known and are set via
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* configuration defines on top of the file.
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*
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* Return value
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* The current timestamp.
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*
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* Additional information
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* SEGGER_SYSVIEW_X_GetTimestamp is always called when interrupts are
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* disabled. Therefore locking here is not required.
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*/
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U32 SEGGER_SYSVIEW_X_GetTimestamp(void) {
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#if configUSE_SEGGER_SYSTEM_VIEWER_HOOKS
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U32 TickCount;
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U32 Cycles;
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U32 CyclesPerTick;
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//
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// Get the cycles of the current system tick.
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// SysTick is down-counting, subtract the current value from the number of cycles per tick.
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//
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CyclesPerTick = SYST_RVR + 1;
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Cycles = (CyclesPerTick - SYST_CVR);
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//
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// Get the system tick count.
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//
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TickCount = SEGGER_SYSVIEW_TickCnt;
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//
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// If a SysTick interrupt is pending increment the TickCount
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//
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if ((SCB_ICSR & SCB_ICSR_PENDSTSET_MASK) != 0) {
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TickCount++;
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}
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Cycles += TickCount * CyclesPerTick;
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return Cycles;
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#else
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return 0;
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#endif
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}
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#endif /* << EST */
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/*********************************************************************
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*
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* _cbSendSystemDesc()
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*
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* Function description
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* Sends SystemView description strings.
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*/
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#if SYSVIEW_USING_FREERTOS /* << EST */
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/* default callback */
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void _cbSendSystemDesc(void) {
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SEGGER_SYSVIEW_SendSysDesc("N="SYSVIEW_APP_NAME",O="SYSVIEW_OS_NAME",D="SYSVIEW_DEVICE_NAME);
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SEGGER_SYSVIEW_SendSysDesc("I#15=SysTick");
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}
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#endif
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/*********************************************************************
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*
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* Global functions
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*
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**********************************************************************
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*/
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void SEGGER_SYSVIEW_Conf(void) {
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#if SYSVIEW_USING_FREERTOS /* << EST */
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#if configUSE_TRACE_HOOKS /* << EST: using Percepio Trace */ && configUSE_SEGGER_SYSTEM_VIEWER_HOOKS /* using SEGGER SystemViewer */
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#warning "Percepio Trace is enabled, this might conflict with Segger System View."
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#endif
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#if !defined(McuSystemView_CONFIG_SYSVIEW_CONFIG_CALLBACK) /* use default */
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SEGGER_SYSVIEW_Init(SYSVIEW_TIMESTAMP_FREQ, SYSVIEW_CPU_FREQ, &SYSVIEW_X_OS_TraceAPI, _cbSendSystemDesc);
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#else /* use application specific callback */
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void McuSystemView_CONFIG_SYSVIEW_CONFIG_CALLBACK(void); /* prototype */
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SEGGER_SYSVIEW_Init(SYSVIEW_TIMESTAMP_FREQ, SYSVIEW_CPU_FREQ, &SYSVIEW_X_OS_TraceAPI, McuSystemView_CONFIG_SYSVIEW_CONFIG_CALLBACK);
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#endif
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SEGGER_SYSVIEW_SetRAMBase(SYSVIEW_RAM_BASE);
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#endif
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}
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/*************************** End of file ****************************/
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