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Fix MingW RTOS demo. (#897)

Browse source 
* Fix MingW RTOS demo.

* Remove unnused variable.

* Fix header check.

* Remove tabs from source files.

* Fix spelling.

* Remove unneeded call to vTraceStop.

* Fix function.

* Fix code coverage project.

* Add Makefile to MinGW demo.

Co-authored-by: Jason Carroll <czjaso@amazon.com>
This commit is contained in:
jasonpcarroll 2022-12-09 15:49:42 -08:00 • committed by GitHub
parent 628f4216e5
commit a545cb2aee
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 1654 additions and 1363 deletions
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72
FreeRTOS/Demo/WIN32-MingW/.settings/org.eclipse.cdt.codan.core.prefs
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3
FreeRTOS/Demo/WIN32-MingW/FreeRTOSConfig.h
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@ -23,6 +23,7 @@
* https://github.com/FreeRTOS
*
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
@ -44,7 +45,7 @@
#define configUSE_DAEMON_TASK_STARTUP_HOOK 1
#define configTICK_RATE_HZ ( 1000 ) /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 70 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the win32 thread. */
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 65 * 1024 ) )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 100 * 1024 ) )
#define configMAX_TASK_NAME_LEN ( 12 )
#define configUSE_TRACE_FACILITY 1
#define configUSE_16_BIT_TICKS 0

148
FreeRTOS/Demo/WIN32-MingW/Makefile Normal file
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@ -0,0 +1,148 @@
# Build directory
BUILD_DIR := ./build
# Compiler - Note this expects you are using MinGW version of GCC
CC := gcc
CFLAGS := -O0 -g3 -Wall -Wextra -c -fmessage-length=0 -Wcast-qual -D_WIN32_WINNT=0x0601
ifeq ($(COVERAGE_TEST),1)
CFLAGS += -DprojCOVERAGE_TEST=1
else
CFLAGS += -DprojCOVERAGE_TEST=0
endif
# Linker - Note this expects you are using MinGW version of GCC
LD := gcc
LDFLAGS := -Xlinker -Map=$(BUILD_DIR)/rtosdemo.map
# Executable Targets
EXE := $(BUILD_DIR)/RTOSDemo.exe
# FreeRTOS Kernel
FREERTOS_KERNEL_DIR := $(abspath ../../Source)
FREERTOS_KERNEL_INCLUDES :=
FREERTOS_KERNEL_SOURCES :=
FREERTOS_KERNEL_INCLUDE_DIRS :=
FREERTOS_KERNEL_OBJS :=
FREERTOS_KERNEL_BUILD_DIR := $(BUILD_DIR)/FreeRTOS-Kernel
## FreeRTOS Kernel includes
FREERTOS_KERNEL_INCLUDES += $(wildcard $(FREERTOS_KERNEL_DIR)/include/*.h)
FREERTOS_KERNEL_INCLUDE_DIRS += -I $(FREERTOS_KERNEL_DIR)/include
## FreeRTOS Kernel sources
FREERTOS_KERNEL_SOURCES += $(wildcard $(FREERTOS_KERNEL_DIR)/*.c)
FREERTOS_KERNEL_SOURCES += $(FREERTOS_KERNEL_DIR)/portable/MemMang/heap_5.c
## FreeRTOS Kernel Windows port includes
FREERTOS_KERNEL_INCLUDES += $(FREERTOS_KERNEL_DIR)/portable/MSVC-MingW/portmacro.h
FREERTOS_KERNEL_INCLUDE_DIRS += -I $(FREERTOS_KERNEL_DIR)/portable/MSVC-MingW
## FreeRTOS Kernel Windows port sources
FREERTOS_KERNEL_SOURCES += $(FREERTOS_KERNEL_DIR)/portable/MSVC-MingW/port.c
## FreeRTOS Kernel configuration includes
FREERTOS_KERNEL_INCLUDES += ./FreeRTOSConfig.h
FREERTOS_KERNEL_INCLUDE_DIRS += -I .
# FreeRTOS Kernel objects
FREERTOS_KERNEL_SOURCES_NAMES :=$(notdir $(FREERTOS_KERNEL_SOURCES))
FREERTOS_KERNEL_OBJS := $(FREERTOS_KERNEL_SOURCES_NAMES:%.c=$(FREERTOS_KERNEL_BUILD_DIR)/%.o)
# Trace Recorder
FREERTOS_PLUS_TRACE_DIR := $(abspath ../../../FreeRTOS-Plus/Source/FreeRTOS-Plus-Trace)
FREERTOS_PLUS_TRACE_INCLUDES :=
FREERTOS_PLUS_TRACE_SOURCES :=
FREERTOS_PLUS_TRACE_INCLUDE_DIRS :=
FREERTOS_PLUS_TRACE_OBJS :=
FREERTOS_PLUS_TRACE_BUILD_DIR := $(BUILD_DIR)/FreeRTOS-Plus-Trace
## Trace Recorder includes
FREERTOS_PLUS_TRACE_INCLUDES += $(wildcard $(FREERTOS_PLUS_TRACE_DIR)/Include/*.h)
FREERTOS_PLUS_TRACE_INCLUDE_DIRS += -I $(FREERTOS_PLUS_TRACE_DIR)/Include
## Trace Recorder sources
FREERTOS_PLUS_TRACE_SOURCES += $(wildcard $(FREERTOS_PLUS_TRACE_DIR)/*.c)
## Trace Recorder configuration includes
FREERTOS_PLUS_TRACE_INCLUDES += $(wildcard ./Trace_Recorder_Configuration/*.h)
FREERTOS_PLUS_TRACE_INCLUDE_DIRS += -I ./Trace_Recorder_Configuration
# Trace Recoder objects
FREERTOS_PLUS_TRACE_SOURCES_NAMES :=$(notdir $(FREERTOS_PLUS_TRACE_SOURCES))
FREERTOS_PLUS_TRACE_OBJS := $(FREERTOS_PLUS_TRACE_SOURCES_NAMES:%.c=$(FREERTOS_PLUS_TRACE_BUILD_DIR)/%.o)
# Demos
FREERTOS_DEMOS_DIR := $(abspath ../Common/Minimal)
FREERTOS_DEMOS_INCLUDES :=
FREERTOS_DEMOS_SOURCES :=
FREERTOS_DEMOS_INCLUDE_DIRS :=
FREERTOS_DEMOS_OBJS :=
FREERTOS_DEMOS_BUILD_DIR := $(BUILD_DIR)/FreeRTOS-Demos
## Demos includes
FREERTOS_DEMOS_INCLUDES := $(wildcard $(FREERTOS_DEMOS_DIR)/../include/*.h)
FREERTOS_DEMOS_INCLUDE_DIRS := -I $(FREERTOS_DEMOS_DIR)/../include
## Demos sources
FREERTOS_DEMOS_SOURCES += $(wildcard $(FREERTOS_DEMOS_DIR)/*.c)
### Filter out unsupported demos
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/comtest_strings.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/comtest.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/flash_timer.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/flash.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/IntQueue.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/recmutex.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES += ./DemosModifiedForLowTickRate/recmutex.c
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/sp_flop.c, $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_SOURCES := $(filter-out $(FREERTOS_DEMOS_DIR)/TaskNotifyArray.c, $(FREERTOS_DEMOS_SOURCES))
## Demos objects
FREERTOS_DEMOS_SOURCES_NAMES :=$(notdir $(FREERTOS_DEMOS_SOURCES))
FREERTOS_DEMOS_OBJS := $(FREERTOS_DEMOS_SOURCES_NAMES:%.c=$(FREERTOS_DEMOS_BUILD_DIR)/%.o)
# Main
MAIN_DIR := .
MAIN_INCLUDES :=
MAIN_SOURCES :=
MAIN_INCLUDE_DIRS :=
MAIN_BUILD_DIR := $(BUILD_DIR)/main
## Main includes
## Main sources
MAIN_SOURCES += $(wildcard $(MAIN_DIR)/*.c)
## Main objects
MAIN_SOURCES_NAMES :=$(notdir $(MAIN_SOURCES))
MAIN_OBJS := $(MAIN_SOURCES_NAMES:%.c=$(MAIN_BUILD_DIR)/%.o)
$(EXE) : $(MAIN_OBJS) $(FREERTOS_KERNEL_OBJS) $(FREERTOS_DEMOS_OBJS) $(FREERTOS_PLUS_TRACE_OBJS)
$(LD) $(LDFLAGS) -o $@ $^ -lwinmm
# Main objects rules
$(MAIN_OBJS): %.o: $(MAIN_SOURCES) $(MAIN_INCLUDES) $(FREERTOS_KERNEL_INCLUDES) $(FREERTOS_PLUS_TRACE_INCLUDES) $(FREERTOS_DEMOS_INCLUDES)
mkdir -p $(@D)
$(CC) $(CFLAGS) $(FREERTOS_KERNEL_INCLUDE_DIRS) $(FREERTOS_PLUS_TRACE_INCLUDE_DIRS) $(FREERTOS_DEMOS_INCLUDE_DIRS) -o $@ $(filter %$(notdir $(patsubst %.o, %.c, $@)), $^)
# FreeRTOS Kernel objects rules
$(FREERTOS_KERNEL_OBJS): %.o: $(FREERTOS_KERNEL_SOURCES) $(FREERTOS_KERNEL_INCLUDES) $(FREERTOS_PLUS_TRACE_INCLUDES)
mkdir -p $(@D)
$(CC) $(CFLAGS) $(FREERTOS_KERNEL_INCLUDE_DIRS) $(FREERTOS_PLUS_TRACE_INCLUDE_DIRS) -o $@ $(filter %$(notdir $(patsubst %.o, %.c, $@)), $^)
# FreeRTOS Demos objects rules
$(FREERTOS_DEMOS_OBJS): %.o: $(FREERTOS_DEMOS_SOURCES) $(FREERTOS_DEMOS_INCLUDES) $(FREERTOS_KERNEL_INCLUDES) $(FREERTOS_PLUS_TRACE_INCLUDES)
mkdir -p $(@D)
$(CC) $(CFLAGS) $(FREERTOS_DEMOS_INCLUDE_DIRS) $(FREERTOS_KERNEL_INCLUDE_DIRS) $(FREERTOS_PLUS_TRACE_INCLUDE_DIRS) -o $@ $(filter %$(notdir $(patsubst %.o, %.c, $@)), $^)
# Trace Recorder object filess
$(FREERTOS_PLUS_TRACE_OBJS): %.o: $(FREERTOS_PLUS_TRACE_SOURCES) $(FREERTOS_PLUS_TRACE_INCLUDES) $(FREERTOS_KERNEL_INCLUDES)
mkdir -p $(@D)
$(CC) $(CFLAGS) $(FREERTOS_PLUS_TRACE_INCLUDE_DIRS) $(FREERTOS_KERNEL_INCLUDE_DIRS) -o $@ $(filter %$(notdir $(patsubst %.o, %.c, $@)), $^)
# Clean rule
clean:
rm -rf $(BUILD_DIR)

382
FreeRTOS/Demo/WIN32-MingW/Trace_Recorder_Configuration/trcConfig.h
View file

@ -1,49 +1,13 @@
/*******************************************************************************
* Trace Recorder Library for Tracealyzer v3.1.2
* Percepio AB, www.percepio.com
/*
* Trace Recorder for Tracealyzer v4.6.0
* Copyright 2021 Percepio AB
* www.percepio.com
*
* trcConfig.h
* SPDX-License-Identifier: Apache-2.0
*
* Main configuration parameters for the trace recorder library.
* More settings can be found in trcStreamingConfig.h and trcSnapshotConfig.h.
*
* Read more at http://percepio.com/2016/10/05/rtos-tracing/
*
* Terms of Use
* This file is part of the trace recorder library (RECORDER), which is the
* intellectual property of Percepio AB (PERCEPIO) and provided under a
* license as follows.
* The RECORDER may be used free of charge for the purpose of recording data
* intended for analysis in PERCEPIO products. It may not be used or modified
* for other purposes without explicit permission from PERCEPIO.
* You may distribute the RECORDER in its original source code form, assuming
* this text (terms of use, disclaimer, copyright notice) is unchanged. You are
* allowed to distribute the RECORDER with minor modifications intended for
* configuration or porting of the RECORDER, e.g., to allow using it on a
* specific processor, processor family or with a specific communication
* interface. Any such modifications should be documented directly below
* this comment block.
*
* Disclaimer
* The RECORDER is being delivered to you AS IS and PERCEPIO makes no warranty
* as to its use or performance. PERCEPIO does not and cannot warrant the
* performance or results you may obtain by using the RECORDER or documentation.
* PERCEPIO 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, 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 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.
*
* Tabs are used for indent in this file (1 tab = 4 spaces)
*
* Copyright Percepio AB, 2016.
* www.percepio.com
******************************************************************************/
*/
#ifndef TRC_CONFIG_H
#define TRC_CONFIG_H
@ -59,12 +23,10 @@ extern "C" {
* required at least for the ARM Cortex-M port, that uses the ARM CMSIS API.
* Try that in case of build problems. Otherwise, remove the #error line below.
*****************************************************************************/
//#error "Trace Recorder: Please include your processor's header file here and remove this line."
/*******************************************************************************
* Configuration Macro: TRC_CFG_HARDWARE_PORT
*
* Specify what hardware port to use (i.e., the "timestamping driver").
/**
* @def TRC_CFG_HARDWARE_PORT
* @brief Specify what hardware port to use (i.e., the "timestamping driver").
*
* All ARM Cortex-M MCUs are supported by "TRC_HARDWARE_PORT_ARM_Cortex_M".
* This port uses the DWT cycle counter for Cortex-M3/M4/M7 devices, which is
@ -78,118 +40,79 @@ extern "C" {
*
* See trcHardwarePort.h for available ports and information on how to
* define your own port, if not already present.
******************************************************************************/
#define TRC_CFG_HARDWARE_PORT TRC_HARDWARE_PORT_Win32
*/
#define TRC_CFG_HARDWARE_PORT TRC_HARDWARE_PORT_Win32
/*******************************************************************************
* Configuration Macro: TRC_CFG_RECORDER_MODE
*
* Specify what recording mode to use. Snapshot means that the data is saved in
* an internal RAM buffer, for later upload. Streaming means that the data is
* transferred continuously to the host PC.
*
* For more information, see http://percepio.com/2016/10/05/rtos-tracing/
* and the Tracealyzer User Manual.
*
* Values:
* TRC_RECORDER_MODE_SNAPSHOT
* TRC_RECORDER_MODE_STREAMING
******************************************************************************/
#define TRC_CFG_RECORDER_MODE TRC_RECORDER_MODE_SNAPSHOT
/******************************************************************************
* TRC_CFG_FREERTOS_VERSION
*
* Specify what version of FreeRTOS that is used (don't change unless using the
* trace recorder library with an older version of FreeRTOS).
*
* TRC_FREERTOS_VERSION_7_3_X If using FreeRTOS v7.3.X
* TRC_FREERTOS_VERSION_7_4_X If using FreeRTOS v7.4.X
* TRC_FREERTOS_VERSION_7_5_X If using FreeRTOS v7.5.X
* TRC_FREERTOS_VERSION_7_6_X If using FreeRTOS v7.6.X
* TRC_FREERTOS_VERSION_8_X_X If using FreeRTOS v8.X.X
* TRC_FREERTOS_VERSION_9_0_0 If using FreeRTOS v9.0.0
* TRC_FREERTOS_VERSION_9_0_1 If using FreeRTOS v9.0.1
* TRC_FREERTOS_VERSION_9_0_2 If using FreeRTOS v9.0.2
* TRC_FREERTOS_VERSION_10_0_0 If using FreeRTOS v10.0.0
* TRC_FREERTOS_VERSION_10_0_1 If using FreeRTOS v10.0.1
* TRC_FREERTOS_VERSION_10_1_0 If using FreeRTOS v10.1.0
* TRC_FREERTOS_VERSION_10_1_1 If using FreeRTOS v10.1.1
* TRC_FREERTOS_VERSION_10_2_0 If using FreeRTOS v10.2.0
* TRC_FREERTOS_VERSION_10_2_1 If using FreeRTOS v10.2.1
* TRC_FREERTOS_VERSION_10_3_0 If using FreeRTOS v10.3.0
* TRC_FREERTOS_VERSION_10_3_1 If using FreeRTOS v10.3.1
* TRC_FREERTOS_VERSION_10_4_0 If using FreeRTOS v10.4.0 or later
*****************************************************************************/
#define TRC_CFG_FREERTOS_VERSION TRC_FREERTOS_VERSION_10_4_0
/*******************************************************************************
* TRC_CFG_SCHEDULING_ONLY
*
* Macro which should be defined as an integer value.
/**
* @def TRC_CFG_SCHEDULING_ONLY
* @brief Macro which should be defined as an integer value.
*
* If this setting is enabled (= 1), only scheduling events are recorded.
* If disabled (= 0), all events are recorded (unless filtered in other ways).
*
* Default value is 0 (= include additional events).
******************************************************************************/
#define TRC_CFG_SCHEDULING_ONLY 0
*/
#define TRC_CFG_SCHEDULING_ONLY 0
/******************************************************************************
* TRC_CFG_INCLUDE_MEMMANG_EVENTS
*
* Macro which should be defined as either zero (0) or one (1).
/**
* @def TRC_CFG_INCLUDE_MEMMANG_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* This controls if malloc and free calls should be traced. Set this to zero (0)
* to exclude malloc/free calls, or one (1) to include such events in the trace.
*
* Default value is 1.
*****************************************************************************/
#define TRC_CFG_INCLUDE_MEMMANG_EVENTS 1
*/
#define TRC_CFG_INCLUDE_MEMMANG_EVENTS 1
/******************************************************************************
* TRC_CFG_INCLUDE_USER_EVENTS
/**
* @def TRC_CFG_INCLUDE_USER_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), all code related to User Events is excluded in order
* If this is zero (0), all code related to User Events is excluded in order
* to reduce code size. Any attempts of storing User Events are then silently
* ignored.
*
* User Events are application-generated events, like "printf" but for the
* trace log, generated using vTracePrint and vTracePrintF.
* The formatting is done on host-side, by Tracealyzer. User Events are
* User Events are application-generated events, like "printf" but for the
* trace log, generated using vTracePrint and vTracePrintF.
* The formatting is done on host-side, by Tracealyzer. User Events are
* therefore much faster than a console printf and can often be used
* in timing critical code without problems.
*
* Note: In streaming mode, User Events are used to provide error messages
* and warnings from the recorder (in case of incorrect configuration) for
* display in Tracealyzer. Disabling user events will also disable these
* warnings. You can however still catch them by calling xTraceGetLastError
* or by putting breakpoints in prvTraceError and prvTraceWarning.
* warnings. You can however still catch them by calling xTraceErrorGetLast
* or by putting breakpoints in xTraceError and xTraceWarning.
*
* Default value is 1.
*****************************************************************************/
#define TRC_CFG_INCLUDE_USER_EVENTS 1
*/
#define TRC_CFG_INCLUDE_USER_EVENTS 1
/*****************************************************************************
* TRC_CFG_INCLUDE_ISR_TRACING
*
* Macro which should be defined as either zero (0) or one (1).
/**
* @def TRC_CFG_INCLUDE_ISR_TRACING
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the code for recording Interrupt Service Routines is
* excluded, in order to reduce code size.
* excluded, in order to reduce code size. This means that any calls to
* vTraceStoreISRBegin/vTraceStoreISREnd will be ignored.
* This does not completely disable ISR tracing, in cases where an ISR is
* calling a traced kernel service. These events will still be recorded and
* show up in anonymous ISR instances in Tracealyzer, with names such as
* "ISR sending to <queue name>".
* To disable such tracing, please refer to vTraceSetFilterGroup and
* vTraceSetFilterMask.
*
* Default value is 1.
*
* Note: tracing ISRs requires that you insert calls to vTraceStoreISRBegin
* and vTraceStoreISREnd in your interrupt handlers.
*****************************************************************************/
#define TRC_CFG_INCLUDE_ISR_TRACING 1
*/
#define TRC_CFG_INCLUDE_ISR_TRACING 1
/*****************************************************************************
* TRC_CFG_INCLUDE_READY_EVENTS
*
* Macro which should be defined as either zero (0) or one (1).
/**
* @def TRC_CFG_INCLUDE_READY_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If one (1), events are recorded when tasks enter scheduling state "ready".
* This allows Tracealyzer to show the initial pending time before tasks enter
@ -198,72 +121,102 @@ extern "C" {
* longer traces in the same amount of RAM.
*
* Default value is 1.
*****************************************************************************/
#define TRC_CFG_INCLUDE_READY_EVENTS 1
*/
#define TRC_CFG_INCLUDE_READY_EVENTS 1
/*****************************************************************************
* TRC_CFG_INCLUDE_OSTICK_EVENTS
*
* Macro which should be defined as either zero (0) or one (1).
/**
* @def TRC_CFG_INCLUDE_OSTICK_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is one (1), events will be generated whenever the OS clock is
* increased. If zero (0), OS tick events are not generated, which allows for
* recording longer traces in the same amount of RAM.
*
* Default value is 1.
*****************************************************************************/
#define TRC_CFG_INCLUDE_OSTICK_EVENTS 1
*/
#define TRC_CFG_INCLUDE_OSTICK_EVENTS 1
/*****************************************************************************
* TRC_CFG_INCLUDE_EVENT_GROUP_EVENTS
*
* Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the trace will exclude any "event group" events.
*
* Default value is 0 (excluded) since dependent on event_groups.c
*****************************************************************************/
#define TRC_CFG_INCLUDE_EVENT_GROUP_EVENTS 1
/**
* @def TRC_CFG_ENABLE_STACK_MONITOR
* @brief If enabled (1), the recorder periodically reports the unused stack space of
* all active tasks.
* The stack monitoring runs in the Tracealyzer Control task, TzCtrl. This task
* is always created by the recorder when in streaming mode.
* In snapshot mode, the TzCtrl task is only used for stack monitoring and is
* not created unless this is enabled.
*/
#define TRC_CFG_ENABLE_STACK_MONITOR 1
/*****************************************************************************
* TRC_CFG_INCLUDE_TIMER_EVENTS
/**
* @def TRC_CFG_STACK_MONITOR_MAX_TASKS
* @brief Macro which should be defined as a non-zero integer value.
*
* Macro which should be defined as either zero (0) or one (1).
* This controls how many tasks that can be monitored by the stack monitor.
* If this is too small, some tasks will be excluded and a warning is shown.
*
* If this is zero (0), the trace will exclude any Timer events.
*
* Default value is 0 since dependent on timers.c
*****************************************************************************/
#define TRC_CFG_INCLUDE_TIMER_EVENTS 1
* Default value is 10.
*/
#define TRC_CFG_STACK_MONITOR_MAX_TASKS 50
/*****************************************************************************
* TRC_CFG_INCLUDE_PEND_FUNC_CALL_EVENTS
/**
* @def TRC_CFG_STACK_MONITOR_MAX_REPORTS
* @brief Macro which should be defined as a non-zero integer value.
*
* Macro which should be defined as either zero (0) or one (1).
* This defines how many tasks that will be subject to stack usage analysis for
* each execution of the Tracealyzer Control task (TzCtrl). Note that the stack
* monitoring cycles between the tasks, so this does not affect WHICH tasks that
* are monitored, but HOW OFTEN each task stack is analyzed.
*
* If this is zero (0), the trace will exclude any "pending function call"
* events, such as xTimerPendFunctionCall().
* This setting can be combined with TRC_CFG_CTRL_TASK_DELAY to tune the
* frequency of the stack monitoring. This is motivated since the stack analysis
* can take some time to execute.
* However, note that the stack analysis runs in a separate task (TzCtrl) that
* can be executed on low priority. This way, you can avoid that the stack
* analysis disturbs any time-sensitive tasks.
*
* Default value is 0 since dependent on timers.c
*****************************************************************************/
#define TRC_CFG_INCLUDE_PEND_FUNC_CALL_EVENTS 1
* Default value is 1.
*/
#define TRC_CFG_STACK_MONITOR_MAX_REPORTS 1
/*******************************************************************************
* Configuration Macro: TRC_CFG_INCLUDE_STREAM_BUFFER_EVENTS
/**
* @def TRC_CFG_CTRL_TASK_PRIORITY
* @brief The scheduling priority of the Tracealyzer Control (TzCtrl) task.
*
* Macro which should be defined as either zero (0) or one (1).
* In streaming mode, TzCtrl is used to receive start/stop commands from
* Tracealyzer and in some cases also to transmit the trace data (for stream
* ports that uses the internal buffer, like TCP/IP). For such stream ports,
* make sure the TzCtrl priority is high enough to ensure reliable periodic
* execution and transfer of the data, but low enough to avoid disturbing any
* time-sensitive functions.
*
* If this is zero (0), the trace will exclude any stream buffer or message
* buffer events.
*
* Default value is 0 since dependent on stream_buffer.c (new in FreeRTOS v10)
******************************************************************************/
#define TRC_CFG_INCLUDE_STREAM_BUFFER_EVENTS 1
* In Snapshot mode, TzCtrl is only used for the stack usage monitoring and is
* not created if stack monitoring is disabled. TRC_CFG_CTRL_TASK_PRIORITY should
* be low, to avoid disturbing any time-sensitive tasks.
*/
#define TRC_CFG_CTRL_TASK_PRIORITY 1
/*******************************************************************************
* Configuration Macro: TRC_CFG_RECORDER_BUFFER_ALLOCATION
/**
* @def TRC_CFG_CTRL_TASK_DELAY
* @brief The delay between loops of the TzCtrl task (see TRC_CFG_CTRL_TASK_PRIORITY),
* which affects the frequency of the stack monitoring.
*
* Specifies how the recorder buffer is allocated (also in case of streaming, in
* In streaming mode, this also affects the trace data transfer if you are using
* a stream port leveraging the internal buffer (like TCP/IP). A shorter delay
* increases the CPU load of TzCtrl somewhat, but may improve the performance of
* of the trace streaming, especially if the trace buffer is small.
*/
#define TRC_CFG_CTRL_TASK_DELAY 2
/**
* @def TRC_CFG_CTRL_TASK_STACK_SIZE
* @brief The stack size of the Tracealyzer Control (TzCtrl) task.
* See TRC_CFG_CTRL_TASK_PRIORITY for further information about TzCtrl.
*/
#define TRC_CFG_CTRL_TASK_STACK_SIZE 1024
/**
* @def TRC_CFG_RECORDER_BUFFER_ALLOCATION
* @brief Specifies how the recorder buffer is allocated (also in case of streaming, in
* port using the recorder's internal temporary buffer)
*
* Values:
@ -275,13 +228,12 @@ extern "C" {
* (static) or in runtime (malloc).
* The custom mode allows you to control how and where the allocation is made,
* for details see TRC_ALLOC_CUSTOM_BUFFER and vTraceSetRecorderDataBuffer().
******************************************************************************/
#define TRC_CFG_RECORDER_BUFFER_ALLOCATION TRC_RECORDER_BUFFER_ALLOCATION_STATIC
*/
#define TRC_CFG_RECORDER_BUFFER_ALLOCATION TRC_RECORDER_BUFFER_ALLOCATION_STATIC
/******************************************************************************
* TRC_CFG_MAX_ISR_NESTING
*
* Defines how many levels of interrupt nesting the recorder can handle, in
/**
* @def TRC_CFG_MAX_ISR_NESTING
* @brief Defines how many levels of interrupt nesting the recorder can handle, in
* case multiple ISRs are traced and ISR nesting is possible. If this
* is exceeded, the particular ISR will not be traced and the recorder then
* logs an error message. This setting is used to allocate an internal stack
@ -290,15 +242,75 @@ extern "C" {
* This value must be a non-zero positive constant, at least 1.
*
* Default value: 8
*****************************************************************************/
#define TRC_CFG_MAX_ISR_NESTING 8
*/
#define TRC_CFG_MAX_ISR_NESTING 8
/* Specific configuration, depending on Streaming/Snapshot mode */
#if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_SNAPSHOT)
#include "trcSnapshotConfig.h"
#elif (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
#include "trcStreamingConfig.h"
#endif
/**
* @def TRC_CFG_ISR_TAILCHAINING_THRESHOLD
* @brief Macro which should be defined as an integer value.
*
* If tracing multiple ISRs, this setting allows for accurate display of the
* context-switching also in cases when the ISRs execute in direct sequence.
*
* vTraceStoreISREnd normally assumes that the ISR returns to the previous
* context, i.e., a task or a preempted ISR. But if another traced ISR
* executes in direct sequence, Tracealyzer may incorrectly display a minimal
* fragment of the previous context in between the ISRs.
*
* By using TRC_CFG_ISR_TAILCHAINING_THRESHOLD you can avoid this. This is
* however a threshold value that must be measured for your specific setup.
* See http://percepio.com/2014/03/21/isr_tailchaining_threshold/
*
* The default setting is 0, meaning "disabled" and that you may get an
* extra fragments of the previous context in between tail-chained ISRs.
*
* Note: This setting has separate definitions in trcSnapshotConfig.h and
* trcStreamingConfig.h, since it is affected by the recorder mode.
*/
#define TRC_CFG_ISR_TAILCHAINING_THRESHOLD 0
/**
* @def TRC_CFG_RECORDER_DATA_INIT
* @brief Macro which states wether the recorder data should have an initial value.
*
* In very specific cases where traced objects are created before main(),
* the recorder will need to be started even before that. In these cases,
* the recorder data would be initialized by vTraceEnable(TRC_INIT) but could
* then later be overwritten by the initialization value.
* If this is an issue for you, set TRC_CFG_RECORDER_DATA_INIT to 0.
* The following code can then be used before any traced objects are created:
*
* extern uint32_t RecorderEnabled;
* RecorderEnabled = 0;
* xTraceInitialize();
*
* After the clocks are properly initialized, use vTraceEnable(...) to start
* the tracing.
*
* Default value is 1.
*/
#define TRC_CFG_RECORDER_DATA_INIT 1
/**
* @def TRC_CFG_RECORDER_DATA_ATTRIBUTE
* @brief When setting TRC_CFG_RECORDER_DATA_INIT to 0, you might also need to make
* sure certain recorder data is placed in a specific RAM section to avoid being
* zeroed out after initialization. Define TRC_CFG_RECORDER_DATA_ATTRIBUTE as
* that attribute.
*
* Example:
* #define TRC_CFG_RECORDER_DATA_ATTRIBUTE __attribute__((section(".bss.trace_recorder_data")))
*
* Default value is empty.
*/
#define TRC_CFG_RECORDER_DATA_ATTRIBUTE
/**
* @def TRC_CFG_USE_TRACE_ASSERT
* @brief Enable or disable debug asserts. Information regarding any assert that is
* triggered will be in trcAssert.c.
*/
#define TRC_CFG_USE_TRACE_ASSERT 0
#ifdef __cplusplus
}

116
FreeRTOS/Demo/WIN32-MingW/Trace_Recorder_Configuration/trcKernelPortConfig.h Normal file
View file

@ -0,0 +1,116 @@
/*
* Trace Recorder for Tracealyzer v4.6.0
* Copyright 2021 Percepio AB
* www.percepio.com
*
* SPDX-License-Identifier: Apache-2.0
*
* Configuration parameters for the kernel port.
* More settings can be found in trcKernelPortStreamingConfig.h and
* trcKernelPortSnapshotConfig.h.
*/
#ifndef TRC_KERNEL_PORT_CONFIG_H
#define TRC_KERNEL_PORT_CONFIG_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @def TRC_CFG_RECORDER_MODE
* @brief Specify what recording mode to use. Snapshot means that the data is saved in
* an internal RAM buffer, for later upload. Streaming means that the data is
* transferred continuously to the host PC.
*
* For more information, see http://percepio.com/2016/10/05/rtos-tracing/
* and the Tracealyzer User Manual.
*
* Values:
* TRC_RECORDER_MODE_SNAPSHOT
* TRC_RECORDER_MODE_STREAMING
*/
#define TRC_CFG_RECORDER_MODE TRC_RECORDER_MODE_SNAPSHOT
/**
* @def TRC_CFG_FREERTOS_VERSION
* @brief Specify what version of FreeRTOS that is used (don't change unless using the
* trace recorder library with an older version of FreeRTOS).
*
* TRC_FREERTOS_VERSION_7_3_X If using FreeRTOS v7.3.X
* TRC_FREERTOS_VERSION_7_4_X If using FreeRTOS v7.4.X
* TRC_FREERTOS_VERSION_7_5_X If using FreeRTOS v7.5.X
* TRC_FREERTOS_VERSION_7_6_X If using FreeRTOS v7.6.X
* TRC_FREERTOS_VERSION_8_X_X If using FreeRTOS v8.X.X
* TRC_FREERTOS_VERSION_9_0_0 If using FreeRTOS v9.0.0
* TRC_FREERTOS_VERSION_9_0_1 If using FreeRTOS v9.0.1
* TRC_FREERTOS_VERSION_9_0_2 If using FreeRTOS v9.0.2
* TRC_FREERTOS_VERSION_10_0_0 If using FreeRTOS v10.0.0
* TRC_FREERTOS_VERSION_10_0_1 If using FreeRTOS v10.0.1
* TRC_FREERTOS_VERSION_10_1_0 If using FreeRTOS v10.1.0
* TRC_FREERTOS_VERSION_10_1_1 If using FreeRTOS v10.1.1
* TRC_FREERTOS_VERSION_10_2_0 If using FreeRTOS v10.2.0
* TRC_FREERTOS_VERSION_10_2_1 If using FreeRTOS v10.2.1
* TRC_FREERTOS_VERSION_10_3_0 If using FreeRTOS v10.3.0
* TRC_FREERTOS_VERSION_10_3_1 If using FreeRTOS v10.3.1
* TRC_FREERTOS_VERSION_10_4_0 If using FreeRTOS v10.4.0
* TRC_FREERTOS_VERSION_10_4_1 If using FreeRTOS v10.4.1 or later
*/
#define TRC_CFG_FREERTOS_VERSION TRC_FREERTOS_VERSION_10_4_1
/**
* @def TRC_CFG_INCLUDE_EVENT_GROUP_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the trace will exclude any "event group" events.
*
* Default value is 0 (excluded) since dependent on event_groups.c
*/
#define TRC_CFG_INCLUDE_EVENT_GROUP_EVENTS 1
/**
* @def TRC_CFG_INCLUDE_TIMER_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the trace will exclude any Timer events.
*
* Default value is 0 since dependent on timers.c
*/
#define TRC_CFG_INCLUDE_TIMER_EVENTS 1
/**
* @def TRC_CFG_INCLUDE_PEND_FUNC_CALL_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the trace will exclude any "pending function call"
* events, such as xTimerPendFunctionCall().
*
* Default value is 0 since dependent on timers.c
*/
#define TRC_CFG_INCLUDE_PEND_FUNC_CALL_EVENTS 1
/**
* @def TRC_CFG_INCLUDE_STREAM_BUFFER_EVENTS
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the trace will exclude any stream buffer or message
* buffer events.
*
* Default value is 0 since dependent on stream_buffer.c (new in FreeRTOS v10)
*/
#define TRC_CFG_INCLUDE_STREAM_BUFFER_EVENTS 1
/**
* @def TRC_CFG_ACKNOWLEDGE_QUEUE_SET_SEND
* @brief When using FreeRTOS v10.3.0 or v10.3.1, please make sure that the trace
* point in prvNotifyQueueSetContainer() in queue.c is renamed from
* traceQUEUE_SEND to traceQUEUE_SET_SEND in order to tell them apart from
* other traceQUEUE_SEND trace points. Then set this to TRC_ACKNOWLEDGED.
*/
#define TRC_CFG_ACKNOWLEDGE_QUEUE_SET_SEND 0 /* TRC_ACKNOWLEDGED */
#ifdef __cplusplus
}
#endif
#endif /* TRC_KERNEL_PORT_CONFIG_H */

69
FreeRTOS/Demo/WIN32-MingW/Trace_Recorder_Configuration/trcKernelPortSnapshotConfig.h Normal file
View file

@ -0,0 +1,69 @@
/*
* Trace Recorder for Tracealyzer v4.6.0
* Copyright 2021 Percepio AB
* www.percepio.com
*
* SPDX-License-Identifier: Apache-2.0
*
* Kernel port configuration parameters for snapshot mode.
*/
#ifndef TRC_KERNEL_PORT_SNAPSHOT_CONFIG_H
#define TRC_KERNEL_PORT_SNAPSHOT_CONFIG_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @def TRC_CFG_NTASK, TRC_CFG_NISR, TRC_CFG_NQUEUE, TRC_CFG_NSEMAPHORE...
* @brief A group of macros which should be defined as integer values, zero or larger.
*
* These define the capacity of the Object Property Table, i.e., the maximum
* number of objects active at any given point, within each object class (e.g.,
* task, queue, semaphore, ...).
*
* If tasks or other objects are deleted in your system, this
* setting does not limit the total amount of objects created, only the number
* of objects that have been successfully created but not yet deleted.
*
* Using too small values will cause vTraceError to be called, which stores an
* error message in the trace that is shown when opening the trace file. The
* error message can also be retrieved using xTraceGetLastError.
*
* It can be wise to start with large values for these constants,
* unless you are very confident on these numbers. Then do a recording and
* check the actual usage by selecting View menu -> Trace Details ->
* Resource Usage -> Object Table.
*/
#define TRC_CFG_NTASK 150
#define TRC_CFG_NISR 90
#define TRC_CFG_NQUEUE 90
#define TRC_CFG_NSEMAPHORE 90
#define TRC_CFG_NMUTEX 90
#define TRC_CFG_NTIMER 250
#define TRC_CFG_NEVENTGROUP 90
#define TRC_CFG_NSTREAMBUFFER 50
#define TRC_CFG_NMESSAGEBUFFER 50
/**
* @def TRC_CFG_NAME_LEN_TASK, TRC_CFG_NAME_LEN_QUEUE, ...
* @brief Macros that specify the maximum lengths (number of characters) for names of
* kernel objects, such as tasks and queues. If longer names are used, they will
* be truncated when stored in the recorder.
*/
#define TRC_CFG_NAME_LEN_TASK 15
#define TRC_CFG_NAME_LEN_ISR 15
#define TRC_CFG_NAME_LEN_QUEUE 15
#define TRC_CFG_NAME_LEN_SEMAPHORE 15
#define TRC_CFG_NAME_LEN_MUTEX 15
#define TRC_CFG_NAME_LEN_TIMER 15
#define TRC_CFG_NAME_LEN_EVENTGROUP 15
#define TRC_CFG_NAME_LEN_STREAMBUFFER 15
#define TRC_CFG_NAME_LEN_MESSAGEBUFFER 15
#ifdef __cplusplus
}
#endif
#endif /* TRC_KERNEL_PORT_SNAPSHOT_CONFIG_H */

303
FreeRTOS/Demo/WIN32-MingW/Trace_Recorder_Configuration/trcSnapshotConfig.h
View file

@ -1,58 +1,24 @@
/*******************************************************************************
* Trace Recorder Library for Tracealyzer v3.1.2
* Percepio AB, www.percepio.com
/*
* Trace Recorder for Tracealyzer v4.6.0
* Copyright 2021 Percepio AB
* www.percepio.com
*
* trcSnapshotConfig.h
* SPDX-License-Identifier: Apache-2.0
*
* Configuration parameters for trace recorder library in snapshot mode.
* Read more at http://percepio.com/2016/10/05/rtos-tracing/
*
* Terms of Use
* This file is part of the trace recorder library (RECORDER), which is the
* intellectual property of Percepio AB (PERCEPIO) and provided under a
* license as follows.
* The RECORDER may be used free of charge for the purpose of recording data
* intended for analysis in PERCEPIO products. It may not be used or modified
* for other purposes without explicit permission from PERCEPIO.
* You may distribute the RECORDER in its original source code form, assuming
* this text (terms of use, disclaimer, copyright notice) is unchanged. You are
* allowed to distribute the RECORDER with minor modifications intended for
* configuration or porting of the RECORDER, e.g., to allow using it on a
* specific processor, processor family or with a specific communication
* interface. Any such modifications should be documented directly below
* this comment block.
*
* Disclaimer
* The RECORDER is being delivered to you AS IS and PERCEPIO makes no warranty
* as to its use or performance. PERCEPIO does not and cannot warrant the
* performance or results you may obtain by using the RECORDER or documentation.
* PERCEPIO 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, 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 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.
*
* Tabs are used for indent in this file (1 tab = 4 spaces)
*
* Copyright Percepio AB, 2017.
* www.percepio.com
******************************************************************************/
*/
#ifndef TRC_SNAPSHOT_CONFIG_H
#define TRC_SNAPSHOT_CONFIG_H
#define TRC_SNAPSHOT_MODE_RING_BUFFER (0x01)
#define TRC_SNAPSHOT_MODE_STOP_WHEN_FULL (0x02)
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************
* TRC_CFG_SNAPSHOT_MODE
*
* Macro which should be defined as one of:
/**
* @def TRC_CFG_SNAPSHOT_MODE
* @brief Macro which should be defined as one of:
* - TRC_SNAPSHOT_MODE_RING_BUFFER
* - TRC_SNAPSHOT_MODE_STOP_WHEN_FULL
* Default is TRC_SNAPSHOT_MODE_RING_BUFFER.
@ -66,13 +32,12 @@
* When TRC_CFG_SNAPSHOT_MODE is TRC_SNAPSHOT_MODE_STOP_WHEN_FULL, the
* recording is stopped when the buffer becomes full. This is useful for
* recording events following a specific state, e.g., the startup sequence.
*****************************************************************************/
#define TRC_CFG_SNAPSHOT_MODE TRC_SNAPSHOT_MODE_RING_BUFFER
*/
#define TRC_CFG_SNAPSHOT_MODE TRC_SNAPSHOT_MODE_RING_BUFFER
/*******************************************************************************
* TRC_CFG_EVENT_BUFFER_SIZE
*
* Macro which should be defined as an integer value.
/**
* @def TRC_CFG_EVENT_BUFFER_SIZE
* @brief Macro which should be defined as an integer value.
*
* This defines the capacity of the event buffer, i.e., the number of records
* it may store. Most events use one record (4 byte), although some events
@ -81,46 +46,12 @@
*
* Default value is 1000, which means that 4000 bytes is allocated for the
* event buffer.
******************************************************************************/
#define TRC_CFG_EVENT_BUFFER_SIZE 15000
*/
#define TRC_CFG_EVENT_BUFFER_SIZE 250000
/*******************************************************************************
* TRC_CFG_NTASK, TRC_CFG_NISR, TRC_CFG_NQUEUE, TRC_CFG_NSEMAPHORE...
*
* A group of macros which should be defined as integer values, zero or larger.
*
* These define the capacity of the Object Property Table, i.e., the maximum
* number of objects active at any given point, within each object class (e.g.,
* task, queue, semaphore, ...).
*
* If tasks or other objects are deleted in your system, this
* setting does not limit the total amount of objects created, only the number
* of objects that have been successfully created but not yet deleted.
*
* Using too small values will cause vTraceError to be called, which stores an
* error message in the trace that is shown when opening the trace file. The
* error message can also be retrieved using xTraceGetLastError.
*
* It can be wise to start with large values for these constants,
* unless you are very confident on these numbers. Then do a recording and
* check the actual usage by selecting View menu -> Trace Details ->
* Resource Usage -> Object Table.
******************************************************************************/
#define TRC_CFG_NTASK 150
#define TRC_CFG_NISR 90
#define TRC_CFG_NQUEUE 90
#define TRC_CFG_NSEMAPHORE 90
#define TRC_CFG_NMUTEX 90
#define TRC_CFG_NTIMER 250
#define TRC_CFG_NEVENTGROUP 90
#define TRC_CFG_NSTREAMBUFFER 5
#define TRC_CFG_NMESSAGEBUFFER 5
/******************************************************************************
* TRC_CFG_INCLUDE_FLOAT_SUPPORT
*
* Macro which should be defined as either zero (0) or one (1).
/**
* @def TRC_CFG_INCLUDE_FLOAT_SUPPORT
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If this is zero (0), the support for logging floating point values in
* vTracePrintF is stripped out, in case floating point values are not used or
@ -132,13 +63,12 @@
* vTracePrintF can be used with integer and string arguments in either case.
*
* Default value is 0.
*****************************************************************************/
#define TRC_CFG_INCLUDE_FLOAT_SUPPORT 0
*/
#define TRC_CFG_INCLUDE_FLOAT_SUPPORT 0
/*******************************************************************************
* TRC_CFG_SYMBOL_TABLE_SIZE
*
* Macro which should be defined as an integer value.
/**
* @def TRC_CFG_SYMBOL_TABLE_SIZE
* @brief Macro which should be defined as an integer value.
*
* This defines the capacity of the symbol table, in bytes. This symbol table
* stores User Events labels and names of deleted tasks, queues, or other kernel
@ -148,30 +78,13 @@
* 32-bit pointer, i.e., using 4 bytes rather than 0.
*
* Default value is 800.
******************************************************************************/
#define TRC_CFG_SYMBOL_TABLE_SIZE 5000
*/
#define TRC_CFG_SYMBOL_TABLE_SIZE 8000
#if (TRC_CFG_SYMBOL_TABLE_SIZE == 0)
#error "TRC_CFG_SYMBOL_TABLE_SIZE may not be zero!"
#if ( TRC_CFG_SYMBOL_TABLE_SIZE == 0 )
#error "TRC_CFG_SYMBOL_TABLE_SIZE may not be zero!"
#endif
/******************************************************************************
* TRC_CFG_NAME_LEN_TASK, TRC_CFG_NAME_LEN_QUEUE, ...
*
* Macros that specify the maximum lengths (number of characters) for names of
* kernel objects, such as tasks and queues. If longer names are used, they will
* be truncated when stored in the recorder.
*****************************************************************************/
#define TRC_CFG_NAME_LEN_TASK 15
#define TRC_CFG_NAME_LEN_ISR 15
#define TRC_CFG_NAME_LEN_QUEUE 15
#define TRC_CFG_NAME_LEN_SEMAPHORE 15
#define TRC_CFG_NAME_LEN_MUTEX 15
#define TRC_CFG_NAME_LEN_TIMER 15
#define TRC_CFG_NAME_LEN_EVENTGROUP 15
#define TRC_CFG_NAME_LEN_STREAMBUFFER 15
#define TRC_CFG_NAME_LEN_MESSAGEBUFFER 15
/******************************************************************************
*** ADVANCED SETTINGS ********************************************************
******************************************************************************
@ -180,37 +93,35 @@
* are not interested in, in order to get longer traces.
*****************************************************************************/
/******************************************************************************
* TRC_CFG_HEAP_SIZE_BELOW_16M
*
* An integer constant that can be used to reduce the buffer usage of memory
* allocation events (malloc/free). This value should be 1 if the heap size is
* below 16 MB (2^24 byte), and you can live with reported addresses showing the
* lower 24 bits only. If 0, you get the full 32-bit addresses.
*
* Default value is 0.
******************************************************************************/
#define TRC_CFG_HEAP_SIZE_BELOW_16M 0
/******************************************************************************
* TRC_CFG_USE_IMPLICIT_IFE_RULES
/**
* @def TRC_CFG_HEAP_SIZE_BELOW_16M
* @brief An integer constant that can be used to reduce the buffer usage of memory
* allocation events (malloc/free). This value should be 1 if the heap size is
* below 16 MB (2^24 byte), and you can live with reported addresses showing the
* lower 24 bits only. If 0, you get the full 32-bit addresses.
*
* Macro which should be defined as either zero (0) or one (1).
* Default value is 0.
*/
#define TRC_CFG_HEAP_SIZE_BELOW_16M 0
/**
* @def TRC_CFG_USE_IMPLICIT_IFE_RULES
* @brief Macro which should be defined as either zero (0) or one (1).
* Default is 1.
*
* Tracealyzer groups the events into "instances" based on Instance Finish
* Events (IFEs), produced either by default rules or calls to the recorder
* functions vTraceInstanceFinishedNow and vTraceInstanceFinishedNext.
* functions xTraceTaskInstanceFinishedNow and xTraceTaskInstanceFinishedNext.
*
* If TRC_CFG_USE_IMPLICIT_IFE_RULES is one (1), the default IFE rules is
* used, resulting in a "typical" grouping of events into instances.
* If these rules don't give appropriate instances in your case, you can
* override the default rules using vTraceInstanceFinishedNow/Next for one
* override the default rules using xTraceTaskInstanceFinishedNow/Next for one
* or several tasks. The default IFE rules are then disabled for those tasks.
*
* If TRC_CFG_USE_IMPLICIT_IFE_RULES is zero (0), the implicit IFE rules are
* disabled globally. You must then call vTraceInstanceFinishedNow or
* vTraceInstanceFinishedNext to manually group the events into instances,
* disabled globally. You must then call xTraceTaskInstanceFinishedNow or
* xTraceTaskInstanceFinishedNext to manually group the events into instances,
* otherwise the tasks will appear a single long instance.
*
* The default IFE rules count the following events as "instance finished":
@ -218,16 +129,12 @@
* - Task suspend
* - Blocking on "input" operations, i.e., when the task is waiting for the
* next a message/signal/event. But only if this event is blocking.
*
* For details, see trcSnapshotKernelPort.h and look for references to the
* macro trcKERNEL_HOOKS_SET_TASK_INSTANCE_FINISHED.
*****************************************************************************/
#define TRC_CFG_USE_IMPLICIT_IFE_RULES 1
*/
#define TRC_CFG_USE_IMPLICIT_IFE_RULES 1
/******************************************************************************
* TRC_CFG_USE_16BIT_OBJECT_HANDLES
*
* Macro which should be defined as either zero (0) or one (1).
/**
* @def TRC_CFG_USE_16BIT_OBJECT_HANDLES
* @brief Macro which should be defined as either zero (0) or one (1).
*
* If set to 0 (zero), the recorder uses 8-bit handles to identify kernel
* objects such as tasks and queues. This limits the supported number of
@ -245,31 +152,12 @@
* NOTE: An object with handle above 255 will use an extra 4-byte record in
* the event buffer whenever the object is referenced. Moreover, some internal
* tables in the recorder gets slightly larger when using 16-bit handles.
*****************************************************************************/
#define TRC_CFG_USE_16BIT_OBJECT_HANDLES 0
*/
#define TRC_CFG_USE_16BIT_OBJECT_HANDLES 0
/******************************************************************************
* TRC_CFG_USE_TRACE_ASSERT
*
* Macro which should be defined as either zero (0) or one (1).
* Default is 1.
*
* If this is one (1), the TRACE_ASSERT macro (used at various locations in the
* trace recorder) will verify that a relevant condition is true.
* If the condition is false, prvTraceError() will be called, which stops the
* recording and stores an error message that is displayed when opening the
* trace in Tracealyzer.
*
* This is used on several places in the recorder code for sanity checks on
* parameters. Can be switched off to reduce the footprint of the tracing, but
* we recommend to have it enabled initially.
*****************************************************************************/
#define TRC_CFG_USE_TRACE_ASSERT 1
/*******************************************************************************
* TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER
*
* Macro which should be defined as an integer value.
/**
* @def TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER
* @brief Macro which should be defined as an integer value.
*
* Set TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER to 1 to enable the
* separate user event buffer (UB).
@ -292,14 +180,17 @@
* repeating events, using the same format string within each channel.
*
* Examples:
*
* traceString chn1 = xTraceRegisterString("Channel 1");
* traceString fmt1 = xTraceRegisterString("Event!");
* TraceStringHandle_t chn1;
* TraceStringHandle_t fmt1;
* xTraceStringRegister("Channel 1", &chn1);
* xTraceStringRegister("Event!", &fmt1);
* traceUBChannel UBCh1 = xTraceRegisterUBChannel(chn1, fmt1);
*
* traceString chn2 = xTraceRegisterString("Channel 2");
* traceString fmt2 = xTraceRegisterString("X: %d, Y: %d");
* traceUBChannel UBCh2 = xTraceRegisterUBChannel(chn2, fmt2);
* TraceStringHandle_t chn2;
* TraceStringHandle_t fmt2;
* xTraceStringRegister("Channel 2", &chn2);
* xTraceStringRegister("X: %d, Y: %d", &fmt2);
* traceUBChannel UBCh2 = xTraceRegisterUBChannel(chn2, fmt2);
*
* // Result in "[Channel 1] Event!"
* vTraceUBEvent(UBCh1);
@ -307,7 +198,7 @@
* // Result in "[Channel 2] X: 23, Y: 19"
* vTraceUBData(UBCh2, 23, 19);
*
* You can also use the other user event functions, like vTracePrintF.
* You can also use the other user event functions, like xTracePrintF.
* as they are then rerouted to the UB instead of the main event buffer.
* vTracePrintF then looks up the correct UB channel based on the
* provided channel name and format string, or creates a new UB channel
@ -316,30 +207,27 @@
* be stored using %s and with the string as an argument.
*
* // Creates a new UB channel ("Channel 2", "%Z: %d")
* vTracePrintF(chn2, "%Z: %d", value1);
* xTracePrintF(chn2, "%Z: %d", value1);
*
* // Finds the existing UB channel
* vTracePrintF(chn2, "%Z: %d", value2);
* xTracePrintF(chn2, "%Z: %d", value2);
*/
#define TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER 0
******************************************************************************/
#define TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER 0
/*******************************************************************************
* TRC_CFG_SEPARATE_USER_EVENT_BUFFER_SIZE
*
* Macro which should be defined as an integer value.
/**
* @def TRC_CFG_SEPARATE_USER_EVENT_BUFFER_SIZE
* @brief Macro which should be defined as an integer value.
*
* This defines the capacity of the user event buffer (UB), in number of slots.
* A single user event can use multiple slots, depending on the arguments.
*
* Only applicable if TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER is 1.
******************************************************************************/
#define TRC_CFG_SEPARATE_USER_EVENT_BUFFER_SIZE 200
*/
#define TRC_CFG_SEPARATE_USER_EVENT_BUFFER_SIZE 200
/*******************************************************************************
* TRC_CFG_UB_CHANNELS
*
* Macro which should be defined as an integer value.
/**
* @def TRC_CFG_UB_CHANNELS
* @brief Macro which should be defined as an integer value.
*
* This defines the number of User Event Buffer Channels (UB channels).
* These are used to structure the events when using the separate user
@ -347,32 +235,11 @@
* a default format string for the channel.
*
* Only applicable if TRC_CFG_USE_SEPARATE_USER_EVENT_BUFFER is 1.
******************************************************************************/
#define TRC_CFG_UB_CHANNELS 32
*/
#define TRC_CFG_UB_CHANNELS 32
/*******************************************************************************
* TRC_CFG_ISR_TAILCHAINING_THRESHOLD
*
* Macro which should be defined as an integer value.
*
* If tracing multiple ISRs, this setting allows for accurate display of the
* context-switching also in cases when the ISRs execute in direct sequence.
*
* vTraceStoreISREnd normally assumes that the ISR returns to the previous
* context, i.e., a task or a preempted ISR. But if another traced ISR
* executes in direct sequence, Tracealyzer may incorrectly display a minimal
* fragment of the previous context in between the ISRs.
*
* By using TRC_CFG_ISR_TAILCHAINING_THRESHOLD you can avoid this. This is
* however a threshold value that must be measured for your specific setup.
* See http://percepio.com/2014/03/21/isr_tailchaining_threshold/
*
* The default setting is 0, meaning "disabled" and that you may get an
* extra fragments of the previous context in between tail-chained ISRs.
*
* Note: This setting has separate definitions in trcSnapshotConfig.h and
* trcStreamingConfig.h, since it is affected by the recorder mode.
******************************************************************************/
#define TRC_CFG_ISR_TAILCHAINING_THRESHOLD 0
#ifdef __cplusplus
}
#endif
#endif /*TRC_SNAPSHOT_CONFIG_H*/

590
FreeRTOS/Demo/WIN32-MingW/main.c
View file

@ -67,16 +67,24 @@ The blinky demo is implemented and described in main_blinky.c.
If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is not 1 then the comprehensive test and
demo application will be built. The comprehensive test and demo application is
implemented and described in main_full.c. */
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
/* This demo uses heap_5.c, and these constants define the sizes of the regions
that make up the total heap. heap_5 is only used for test and example purposes
as this demo could easily create one large heap region instead of multiple
smaller heap regions - in which case heap_4.c would be the more appropriate
choice. See http://www.freertos.org/a00111.html for an explanation. */
#define mainREGION_1_SIZE 10801
#define mainREGION_2_SIZE 29905
#define mainREGION_3_SIZE 6007
#define mainREGION_1_SIZE 8201
#define mainREGION_2_SIZE 40905
#define mainREGION_3_SIZE 50007
/* This demo allows for users to perform actions with the keyboard. */
#define mainNO_KEY_PRESS_VALUE -1
#define mainOUTPUT_TRACE_KEY 't'
#define mainINTERRUPT_NUMBER_KEYBOARD 3
/* This demo allows to save a trace file. */
#define mainTRACE_FILE_NAME "Trace.dump"
/*-----------------------------------------------------------*/
@ -125,6 +133,23 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
*/
static void prvSaveTraceFile( void );
/*
* Windows thread function to capture keyboard input from outside of the
* FreeRTOS simulator. This thread passes data safely into the FreeRTOS
* simulator using a stream buffer.
*/
static DWORD WINAPI prvWindowsKeyboardInputThread( void * pvParam );
/*
* Interrupt handler for when keyboard input is received.
*/
static uint32_t prvKeyboardInterruptHandler( void );
/*
* Keyboard interrupt handler for the blinky demo.
*/
extern void vBlinkyKeyboardInterruptHandler( int xKeyPressed );
/*-----------------------------------------------------------*/
/* When configSUPPORT_STATIC_ALLOCATION is set to 1 the application writer can
@ -134,204 +159,227 @@ declared here, as a global, so it can be checked by a test that is implemented
in a different file. */
StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
/* Notes if the trace is running or not. */
static BaseType_t xTraceRunning = pdTRUE;
/* Thread handle for the keyboard input Windows thread. */
static HANDLE xWindowsKeyboardInputThreadHandle = NULL;
/* This stores the last key pressed that has not been handled.
* Keyboard input is retrieved by the prvWindowsKeyboardInputThread
* Windows thread and stored here. This is then read by the idle
* task and handled appropriately. */
static int xKeyPressed = mainNO_KEY_PRESS_VALUE;
/*-----------------------------------------------------------*/
int main( void )
{
/* This demo uses heap_5.c, so start by defining some heap regions. heap_5
is only used for test and example reasons. Heap_4 is more appropriate. See
http://www.freertos.org/a00111.html for an explanation. */
prvInitialiseHeap();
/* Set interrupt handler for keyboard input. */
vPortSetInterruptHandler( mainINTERRUPT_NUMBER_KEYBOARD, prvKeyboardInterruptHandler );
/* Do not include trace code when performing a code coverage analysis. */
#if( projCOVERAGE_TEST != 1 )
{
/* Initialise the trace recorder. Use of the trace recorder is optional.
See http://www.FreeRTOS.org/trace for more information. */
vTraceEnable( TRC_START );
/* Start keyboard input handling thread. */
xWindowsKeyboardInputThreadHandle = CreateThread(
NULL, /* Pointer to thread security attributes. */
0, /* Initial thread stack size, in bytes. */
prvWindowsKeyboardInputThread, /* Pointer to thread function. */
NULL, /* Argument for new thread. */
0, /* Creation flags. */
NULL);
/* Start the trace recording - the recording is written to a file if
configASSERT() is called. */
printf( "\r\nTrace started.\r\nThe trace will be dumped to disk if a call to configASSERT() fails.\r\n" );
printf( "Uncomment the call to kbhit() in this file to also dump trace with a key press.\r\n" );
uiTraceStart();
}
#endif
fflush( stdout );
/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
of this file. */
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
{
main_blinky();
}
#else
{
main_full();
}
#endif
/* Use the cores that are not used by the FreeRTOS tasks. */
SetThreadAffinityMask( xWindowsKeyboardInputThreadHandle, ~0x01u );
return 0;
/* This demo uses heap_5.c, so start by defining some heap regions. heap_5
is only used for test and example reasons. Heap_4 is more appropriate. See
http://www.freertos.org/a00111.html for an explanation. */
prvInitialiseHeap();
/* Do not include trace code when performing a code coverage analysis. */
#if( projCOVERAGE_TEST != 1 )
{
/* Initialise the trace recorder. Use of the trace recorder is optional.
See http://www.FreeRTOS.org/trace for more information. */
configASSERT( xTraceInitialize() == TRC_SUCCESS );
/* Start the trace recording - the recording is written to a file if
configASSERT() is called. */
printf(
"Trace started.\r\n"
"Note that the trace output uses the ring buffer mode, meaning that the output trace\r\n"
"will only be the most recent data able to fit within the trace recorder buffer.\r\n\r\n"
"The trace will be dumped to the file \"%s\" whenever a call to configASSERT()\r\n"
"fails or the \'%c\' key is pressed.\r\n"
"Note that key presses cannot be captured in the Eclipse console, so for key presses to work\r\n"
"you will have to run this demo in a Windows console.\r\n\r\n",
mainTRACE_FILE_NAME, mainOUTPUT_TRACE_KEY );
fflush( stdout );
configASSERT( xTraceEnable( TRC_START ) == TRC_SUCCESS );
}
#endif
/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
of this file. */
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
{
main_blinky();
}
#else
{
main_full();
}
#endif
return 0;
}
/*-----------------------------------------------------------*/
void vApplicationMallocFailedHook( void )
{
/* vApplicationMallocFailedHook() will only be called if
configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
function that will get called if a call to pvPortMalloc() fails.
pvPortMalloc() is called internally by the kernel whenever a task, queue,
timer or semaphore is created. It is also called by various parts of the
demo application. If heap_1.c, heap_2.c or heap_4.c is being used, then the
size of the heap available to pvPortMalloc() is defined by
configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
API function can be used to query the size of free heap space that remains
(although it does not provide information on how the remaining heap might be
fragmented). See http://www.freertos.org/a00111.html for more
information. */
vAssertCalled( __LINE__, __FILE__ );
/* vApplicationMallocFailedHook() will only be called if
configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
function that will get called if a call to pvPortMalloc() fails.
pvPortMalloc() is called internally by the kernel whenever a task, queue,
timer or semaphore is created. It is also called by various parts of the
demo application. If heap_1.c, heap_2.c or heap_4.c is being used, then the
size of the heap available to pvPortMalloc() is defined by
configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
API function can be used to query the size of free heap space that remains
(although it does not provide information on how the remaining heap might be
fragmented). See http://www.freertos.org/a00111.html for more
information. */
vAssertCalled( __LINE__, __FILE__ );
}
/*-----------------------------------------------------------*/
void vApplicationIdleHook( void )
{
/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
to 1 in FreeRTOSConfig.h. It will be called on each iteration of the idle
task. It is essential that code added to this hook function never attempts
to block in any way (for example, call xQueueReceive() with a block time
specified, or call vTaskDelay()). If application tasks make use of the
vTaskDelete() API function to delete themselves then it is also important
that vApplicationIdleHook() is permitted to return to its calling function,
because it is the responsibility of the idle task to clean up memory
allocated by the kernel to any task that has since deleted itself. */
/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
to 1 in FreeRTOSConfig.h. It will be called on each iteration of the idle
task. It is essential that code added to this hook function never attempts
to block in any way (for example, call xQueueReceive() with a block time
specified, or call vTaskDelay()). If application tasks make use of the
vTaskDelete() API function to delete themselves then it is also important
that vApplicationIdleHook() is permitted to return to its calling function,
because it is the responsibility of the idle task to clean up memory
allocated by the kernel to any task that has since deleted itself. */
/* Uncomment the following code to allow the trace to be stopped with any
key press. The code is commented out by default as the kbhit() function
interferes with the run time behaviour. */
/*
if( _kbhit() != pdFALSE )
{
if( xTraceRunning == pdTRUE )
{
vTraceStop();
prvSaveTraceFile();
xTraceRunning = pdFALSE;
}
}
*/
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
{
/* Call the idle task processing used by the full demo. The simple
blinky demo does not use the idle task hook. */
vFullDemoIdleFunction();
}
#endif
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
{
/* Call the idle task processing used by the full demo. The simple
blinky demo does not use the idle task hook. */
vFullDemoIdleFunction();
}
#endif
}
/*-----------------------------------------------------------*/
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
{
( void ) pcTaskName;
( void ) pxTask;
( void ) pcTaskName;
( void ) pxTask;
/* Run time stack overflow checking is performed if
configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
function is called if a stack overflow is detected. This function is
provided as an example only as stack overflow checking does not function
when running the FreeRTOS Windows port. */
vAssertCalled( __LINE__, __FILE__ );
/* Run time stack overflow checking is performed if
configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
function is called if a stack overflow is detected. This function is
provided as an example only as stack overflow checking does not function
when running the FreeRTOS Windows port. */
vAssertCalled( __LINE__, __FILE__ );
}
/*-----------------------------------------------------------*/
void vApplicationTickHook( void )
{
/* This function will be called by each tick interrupt if
configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h. User code can be
added here, but the tick hook is called from an interrupt context, so
code must not attempt to block, and only the interrupt safe FreeRTOS API
functions can be used (those that end in FromISR()). */
/* This function will be called by each tick interrupt if
configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h. User code can be
added here, but the tick hook is called from an interrupt context, so
code must not attempt to block, and only the interrupt safe FreeRTOS API
functions can be used (those that end in FromISR()). */
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
{
vFullDemoTickHookFunction();
}
#endif /* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY */
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
{
vFullDemoTickHookFunction();
}
#endif /* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY */
}
/*-----------------------------------------------------------*/
void vApplicationDaemonTaskStartupHook( void )
{
/* This function will be called once only, when the daemon task starts to
execute (sometimes called the timer task). This is useful if the
application includes initialisation code that would benefit from executing
after the scheduler has been started. */
/* This function will be called once only, when the daemon task starts to
execute (sometimes called the timer task). This is useful if the
application includes initialisation code that would benefit from executing
after the scheduler has been started. */
}
/*-----------------------------------------------------------*/
void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
{
static BaseType_t xPrinted = pdFALSE;
volatile uint32_t ulSetToNonZeroInDebuggerToContinue = 0;
/* Called if an assertion passed to configASSERT() fails. See
http://www.freertos.org/a00110.html#configASSERT for more information. */
/* Called if an assertion passed to configASSERT() fails. See
http://www.freertos.org/a00110.html#configASSERT for more information. */
/* Parameters are not used. */
( void ) ulLine;
( void ) pcFileName;
/* Parameters are not used. */
( void ) ulLine;
( void ) pcFileName;
taskENTER_CRITICAL();
{
/* Stop the trace recording. */
if( xPrinted == pdFALSE )
{
xPrinted = pdTRUE;
if( xTraceRunning == pdTRUE )
{
prvSaveTraceFile();
}
}
taskENTER_CRITICAL();
{
printf("ASSERT! Line %ld, file %s, GetLastError() %ld\r\n", ulLine, pcFileName, GetLastError());
fflush( stdout );
/* You can step out of this function to debug the assertion by using
the debugger to set ulSetToNonZeroInDebuggerToContinue to a non-zero
value. */
while( ulSetToNonZeroInDebuggerToContinue == 0 )
{
__asm volatile( "NOP" );
__asm volatile( "NOP" );
}
}
taskEXIT_CRITICAL();
#if( projCOVERAGE_TEST != 1 )
{
/* Stop the trace recording. */
( void ) xTraceDisable();
prvSaveTraceFile();
}
#endif
/* You can step out of this function to debug the assertion by using
the debugger to set ulSetToNonZeroInDebuggerToContinue to a non-zero
value. */
while( ulSetToNonZeroInDebuggerToContinue == 0 )
{
__asm volatile( "NOP" );
__asm volatile( "NOP" );
}
#if( projCOVERAGE_TEST != 1 )
{
/* Re-enable recording */
( void ) xTraceEnable( TRC_START );
}
#endif
}
taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/
static void prvSaveTraceFile( void )
{
/* Tracing is not used when code coverage analysis is being performed. */
#if( projCOVERAGE_TEST != 1 )
{
FILE* pxOutputFile;
/* Tracing is not used when code coverage analysis is being performed. */
#if( projCOVERAGE_TEST != 1 )
{
FILE* pxOutputFile;
pxOutputFile = fopen( mainTRACE_FILE_NAME, "wb");
vTraceStop();
pxOutputFile = fopen( "Trace.dump", "wb");
if( pxOutputFile != NULL )
{
fwrite( RecorderDataPtr, sizeof( RecorderDataType ), 1, pxOutputFile );
fclose( pxOutputFile );
printf( "\r\nTrace output saved to Trace.dump\r\n" );
}
else
{
printf( "\r\nFailed to create trace dump file\r\n" );
}
}
#endif
if( pxOutputFile != NULL )
{
fwrite( RecorderDataPtr, sizeof( RecorderDataType ), 1, pxOutputFile );
fclose( pxOutputFile );
printf( "\r\nTrace output saved to %s\r\n", mainTRACE_FILE_NAME );
fflush( stdout );
}
else
{
printf( "\r\nFailed to create trace dump file\r\n" );
fflush( stdout );
}
}
#endif
}
/*-----------------------------------------------------------*/
@ -352,27 +400,27 @@ volatile uint32_t ulAdditionalOffset = 19; /* Just to prevent 'condition is alwa
HeapStats_t xHeapStats;
const HeapRegion_t xHeapRegions[] =
{
/* Start address with dummy offsets Size */
{ ucHeap + 1, mainREGION_1_SIZE },
{ ucHeap + 15 + mainREGION_1_SIZE, mainREGION_2_SIZE },
{ ucHeap + 19 + mainREGION_1_SIZE + mainREGION_2_SIZE, mainREGION_3_SIZE },
{ NULL, 0 }
/* Start address with dummy offsets Size */
{ ucHeap + 1, mainREGION_1_SIZE },
{ ucHeap + 15 + mainREGION_1_SIZE, mainREGION_2_SIZE },
{ ucHeap + 19 + mainREGION_1_SIZE + mainREGION_2_SIZE, mainREGION_3_SIZE },
{ NULL, 0 }
};
/* Sanity check that the sizes and offsets defined actually fit into the
array. */
configASSERT( ( ulAdditionalOffset + mainREGION_1_SIZE + mainREGION_2_SIZE + mainREGION_3_SIZE ) < configTOTAL_HEAP_SIZE );
/* Sanity check that the sizes and offsets defined actually fit into the
array. */
configASSERT( ( ulAdditionalOffset + mainREGION_1_SIZE + mainREGION_2_SIZE + mainREGION_3_SIZE ) < configTOTAL_HEAP_SIZE );
/* Prevent compiler warnings when configASSERT() is not defined. */
( void ) ulAdditionalOffset;
/* Prevent compiler warnings when configASSERT() is not defined. */
( void ) ulAdditionalOffset;
/* The heap has not been initialised yet so expect stats to all be zero. */
vPortGetHeapStats( &xHeapStats );
/* The heap has not been initialised yet so expect stats to all be zero. */
vPortGetHeapStats( &xHeapStats );
vPortDefineHeapRegions( xHeapRegions );
vPortDefineHeapRegions( xHeapRegions );
/* Sanity check vTaskGetHeapStats(). */
prvExerciseHeapStats();
/* Sanity check vTaskGetHeapStats(). */
prvExerciseHeapStats();
}
/*-----------------------------------------------------------*/
@ -385,60 +433,60 @@ void *pvAllocatedBlock;
const size_t xArraySize = 5, xBlockSize = 1000UL;
void *pvAllocatedBlocks[ xArraySize ];
/* Check heap stats are as expected after initialisation but before any
allocations. */
vPortGetHeapStats( &xHeapStats );
/* Check heap stats are as expected after initialisation but before any
allocations. */
vPortGetHeapStats( &xHeapStats );
/* Minimum ever free bytes remaining should be the same as the total number
of bytes as nothing has been allocated yet. */
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == xHeapStats.xAvailableHeapSpaceInBytes );
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == xInitialFreeSpace );
/* Minimum ever free bytes remaining should be the same as the total number
of bytes as nothing has been allocated yet. */
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == xHeapStats.xAvailableHeapSpaceInBytes );
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == xInitialFreeSpace );
/* Nothing has been allocated or freed yet. */
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == 0 );
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == 0 );
/* Nothing has been allocated or freed yet. */
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == 0 );
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == 0 );
/* Allocate a 1000 byte block then measure what the overhead of the
allocation in regards to how many bytes more than 1000 were actually
removed from the heap in order to store metadata about the allocation. */
pvAllocatedBlock = pvPortMalloc( xBlockSize );
configASSERT( pvAllocatedBlock );
xMetaDataOverhead = ( xInitialFreeSpace - xPortGetFreeHeapSize() ) - xBlockSize;
/* Allocate a 1000 byte block then measure what the overhead of the
allocation in regards to how many bytes more than 1000 were actually
removed from the heap in order to store metadata about the allocation. */
pvAllocatedBlock = pvPortMalloc( xBlockSize );
configASSERT( pvAllocatedBlock );
xMetaDataOverhead = ( xInitialFreeSpace - xPortGetFreeHeapSize() ) - xBlockSize;
/* Free the block again to get back to where we started. */
vPortFree( pvAllocatedBlock );
vPortGetHeapStats( &xHeapStats );
configASSERT( xHeapStats.xAvailableHeapSpaceInBytes == xInitialFreeSpace );
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == 1 );
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == 1 );
/* Free the block again to get back to where we started. */
vPortFree( pvAllocatedBlock );
vPortGetHeapStats( &xHeapStats );
configASSERT( xHeapStats.xAvailableHeapSpaceInBytes == xInitialFreeSpace );
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == 1 );
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == 1 );
/* Allocate blocks checking some stats value on each allocation. */
for( i = 0; i < xArraySize; i++ )
{
pvAllocatedBlocks[ i ] = pvPortMalloc( xBlockSize );
configASSERT( pvAllocatedBlocks[ i ] );
vPortGetHeapStats( &xHeapStats );
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == ( xInitialFreeSpace - ( ( i + 1 ) * ( xBlockSize + xMetaDataOverhead ) ) ) );
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == xHeapStats.xAvailableHeapSpaceInBytes );
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == ( 2Ul + i ) );
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == 1 ); /* Does not increase during allocations. */
}
/* Allocate blocks checking some stats value on each allocation. */
for( i = 0; i < xArraySize; i++ )
{
pvAllocatedBlocks[ i ] = pvPortMalloc( xBlockSize );
configASSERT( pvAllocatedBlocks[ i ] );
vPortGetHeapStats( &xHeapStats );
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == ( xInitialFreeSpace - ( ( i + 1 ) * ( xBlockSize + xMetaDataOverhead ) ) ) );
configASSERT( xHeapStats.xMinimumEverFreeBytesRemaining == xHeapStats.xAvailableHeapSpaceInBytes );
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == ( 2Ul + i ) );
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == 1 ); /* Does not increase during allocations. */
}
configASSERT( xPortGetFreeHeapSize() == xPortGetMinimumEverFreeHeapSize() );
xMinimumFreeBytes = xPortGetFreeHeapSize();
configASSERT( xPortGetFreeHeapSize() == xPortGetMinimumEverFreeHeapSize() );
xMinimumFreeBytes = xPortGetFreeHeapSize();
/* Free the blocks again. */
for( i = 0; i < xArraySize; i++ )
{
vPortFree( pvAllocatedBlocks[ i ] );
vPortGetHeapStats( &xHeapStats );
configASSERT( xHeapStats.xAvailableHeapSpaceInBytes == ( xInitialFreeSpace - ( ( ( xArraySize - i - 1 ) * ( xBlockSize + xMetaDataOverhead ) ) ) ) );
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == ( xArraySize + 1 ) ); /* Does not increase during frees. */
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == ( 2UL + i ) );
}
/* Free the blocks again. */
for( i = 0; i < xArraySize; i++ )
{
vPortFree( pvAllocatedBlocks[ i ] );
vPortGetHeapStats( &xHeapStats );
configASSERT( xHeapStats.xAvailableHeapSpaceInBytes == ( xInitialFreeSpace - ( ( ( xArraySize - i - 1 ) * ( xBlockSize + xMetaDataOverhead ) ) ) ) );
configASSERT( xHeapStats.xNumberOfSuccessfulAllocations == ( xArraySize + 1 ) ); /* Does not increase during frees. */
configASSERT( xHeapStats.xNumberOfSuccessfulFrees == ( 2UL + i ) );
}
/* The minimum ever free heap size should not change as blocks are freed. */
configASSERT( xMinimumFreeBytes == xPortGetMinimumEverFreeHeapSize() );
/* The minimum ever free heap size should not change as blocks are freed. */
configASSERT( xMinimumFreeBytes == xPortGetMinimumEverFreeHeapSize() );
}
/*-----------------------------------------------------------*/
@ -453,18 +501,19 @@ the stack and so not exists after this function exits. */
static StaticTask_t xIdleTaskTCB;
static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
/* Pass out a pointer to the StaticTask_t structure in which the Idle task's
state will be stored. */
*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
/* Pass out a pointer to the StaticTask_t structure in which the Idle task's
state will be stored. */
*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
/* Pass out the array that will be used as the Idle task's stack. */
*ppxIdleTaskStackBuffer = uxIdleTaskStack;
/* Pass out the array that will be used as the Idle task's stack. */
*ppxIdleTaskStackBuffer = uxIdleTaskStack;
/* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
Note that, as the array is necessarily of type StackType_t,
configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
/* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
Note that, as the array is necessarily of type StackType_t,
configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
}
/*-----------------------------------------------------------*/
/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
@ -477,16 +526,103 @@ function then they must be declared static - otherwise they will be allocated on
the stack and so not exists after this function exits. */
static StaticTask_t xTimerTaskTCB;
/* Pass out a pointer to the StaticTask_t structure in which the Timer
task's state will be stored. */
*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
/* Pass out a pointer to the StaticTask_t structure in which the Timer
task's state will be stored. */
*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
/* Pass out the array that will be used as the Timer task's stack. */
*ppxTimerTaskStackBuffer = uxTimerTaskStack;
/* Pass out the array that will be used as the Timer task's stack. */
*ppxTimerTaskStackBuffer = uxTimerTaskStack;
/* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
Note that, as the array is necessarily of type StackType_t,
configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
/* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
Note that, as the array is necessarily of type StackType_t,
configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
}
/*-----------------------------------------------------------*/
/*
* Interrupt handler for when keyboard input is received.
*/
static uint32_t prvKeyboardInterruptHandler( void )
{
/* Handle keyboard input. */
switch ( xKeyPressed )
{
case mainNO_KEY_PRESS_VALUE:
break;
case mainOUTPUT_TRACE_KEY:
#if( projCOVERAGE_TEST != 1 )
{
/* Saving the trace file requires Windows system calls, so enter a critical
* section to prevent deadlock or errors resulting from calling a Windows
* system call from within the FreeRTOS simulator. */
portENTER_CRITICAL();
{
( void ) xTraceDisable();
prvSaveTraceFile();
( void ) xTraceEnable( TRC_START );
}
portEXIT_CRITICAL();
}
#endif
break;
default:
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
{
/* Call the keyboard interrupt handler for the blinky demo. */
vBlinkyKeyboardInterruptHandler( xKeyPressed );
}
#endif
break;
}
/* This interrupt does not require a context switch so return pdFALSE */
return pdFALSE;
}
/*-----------------------------------------------------------*/
/*
* Windows thread function to capture keyboard input from outside of the
* FreeRTOS simulator. This thread passes data into the simulator using
* an integer.
*/
static DWORD WINAPI prvWindowsKeyboardInputThread( void * pvParam )
{
( void ) pvParam;
for ( ; ; )
{
/* Block on acquiring a key press */
xKeyPressed = _getch();
/* Notify FreeRTOS simulator that there is a keyboard interrupt.
* This will trigger prvKeyboardInterruptHandler.
*/
vPortGenerateSimulatedInterrupt( mainINTERRUPT_NUMBER_KEYBOARD );
}
/* Should not get here, report negative exit status. */
return -1;
}
/*-----------------------------------------------------------*/
/* The below code is used by the trace recorder for timing. */
static uint32_t ulEntryTime = 0;
void vTraceTimerReset( void )
{
ulEntryTime = xTaskGetTickCount();
}
uint32_t uiTraceTimerGetFrequency( void )
{
return configTICK_RATE_HZ;
}
uint32_t uiTraceTimerGetValue( void )
{
return( xTaskGetTickCount() - ulEntryTime );
}

234
FreeRTOS/Demo/WIN32-MingW/main_blinky.c
View file

@ -91,21 +91,24 @@
#include "semphr.h"
/* Priorities at which the tasks are created. */
#define mainQUEUE_RECEIVE_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainQUEUE_SEND_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainQUEUE_RECEIVE_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainQUEUE_SEND_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
/* The rate at which data is sent to the queue. The times are converted from
milliseconds to ticks using the pdMS_TO_TICKS() macro. */
#define mainTASK_SEND_FREQUENCY_MS pdMS_TO_TICKS( 200UL )
#define mainTIMER_SEND_FREQUENCY_MS pdMS_TO_TICKS( 2000UL )
#define mainTASK_SEND_FREQUENCY_MS pdMS_TO_TICKS( 200UL )
#define mainTIMER_SEND_FREQUENCY_MS pdMS_TO_TICKS( 2000UL )
/* The number of items the queue can hold at once. */
#define mainQUEUE_LENGTH ( 2 )
#define mainQUEUE_LENGTH ( 2 )
/* The values sent to the queue receive task from the queue send task and the
queue send software timer respectively. */
#define mainVALUE_SENT_FROM_TASK ( 100UL )
#define mainVALUE_SENT_FROM_TIMER ( 200UL )
#define mainVALUE_SENT_FROM_TASK ( 100UL )
#define mainVALUE_SENT_FROM_TIMER ( 200UL )
/* This demo allows for users to perform actions with the keyboard. */
#define mainRESET_TIMER_KEY ( 'r' )
/*-----------------------------------------------------------*/
@ -135,44 +138,45 @@ void main_blinky( void )
{
const TickType_t xTimerPeriod = mainTIMER_SEND_FREQUENCY_MS;
/* Create the queue. */
xQueue = xQueueCreate( mainQUEUE_LENGTH, sizeof( uint32_t ) );
printf( "\r\nStarting the blinky demo. Press \'%c\' to reset the software timer used in this demo.\r\n\r\n", mainRESET_TIMER_KEY );
/* Create the queue. */
xQueue = xQueueCreate( mainQUEUE_LENGTH, sizeof( uint32_t ) );
if( xQueue != NULL )
{
/* Start the two tasks as described in the comments at the top of this
file. */
xTaskCreate( prvQueueReceiveTask, /* The function that implements the task. */
"Rx", /* The text name assigned to the task - for debug only as it is not used by the kernel. */
configMINIMAL_STACK_SIZE, /* The size of the stack to allocate to the task. */
NULL, /* The parameter passed to the task - not used in this simple case. */
mainQUEUE_RECEIVE_TASK_PRIORITY,/* The priority assigned to the task. */
NULL ); /* The task handle is not required, so NULL is passed. */
if( xQueue != NULL )
{
/* Start the two tasks as described in the comments at the top of this
file. */
xTaskCreate( prvQueueReceiveTask, /* The function that implements the task. */
"Rx", /* The text name assigned to the task - for debug only as it is not used by the kernel. */
configMINIMAL_STACK_SIZE, /* The size of the stack to allocate to the task. */
NULL, /* The parameter passed to the task - not used in this simple case. */
mainQUEUE_RECEIVE_TASK_PRIORITY, /* The priority assigned to the task. */
NULL ); /* The task handle is not required, so NULL is passed. */
xTaskCreate( prvQueueSendTask, "TX", configMINIMAL_STACK_SIZE, NULL, mainQUEUE_SEND_TASK_PRIORITY, NULL );
xTaskCreate( prvQueueSendTask, "TX", configMINIMAL_STACK_SIZE, NULL, mainQUEUE_SEND_TASK_PRIORITY, NULL );
/* Create the software timer, but don't start it yet. */
xTimer = xTimerCreate( "Timer", /* The text name assigned to the software timer - for debug only as it is not used by the kernel. */
xTimerPeriod, /* The period of the software timer in ticks. */
pdTRUE, /* xAutoReload is set to pdTRUE. */
NULL, /* The timer's ID is not used. */
prvQueueSendTimerCallback );/* The function executed when the timer expires. */
/* Create the software timer, but don't start it yet. */
xTimer = xTimerCreate( "Timer", /* The text name assigned to the software timer - for debug only as it is not used by the kernel. */
xTimerPeriod, /* The period of the software timer in ticks. */
pdTRUE, /* xAutoReload is set to pdTRUE. */
NULL, /* The timer's ID is not used. */
prvQueueSendTimerCallback ); /* The function executed when the timer expires. */
if( xTimer != NULL )
{
xTimerStart( xTimer, 0 );
}
if( xTimer != NULL )
{
xTimerStart( xTimer, 0 );
}
/* Start the tasks and timer running. */
vTaskStartScheduler();
}
/* Start the tasks and timer running. */
vTaskStartScheduler();
}
/* If all is well, the scheduler will now be running, and the following
line will never be reached. If the following line does execute, then
there was insufficient FreeRTOS heap memory available for the idle and/or
timer tasks to be created. See the memory management section on the
FreeRTOS web site for more details. */
for( ;; );
/* If all is well, the scheduler will now be running, and the following
line will never be reached. If the following line does execute, then
there was insufficient FreeRTOS heap memory available for the idle and/or
timer tasks to be created. See the memory management section on the
FreeRTOS web site for more details. */
for( ;; );
}
/*-----------------------------------------------------------*/
@ -182,26 +186,26 @@ TickType_t xNextWakeTime;
const TickType_t xBlockTime = mainTASK_SEND_FREQUENCY_MS;
const uint32_t ulValueToSend = mainVALUE_SENT_FROM_TASK;
/* Prevent the compiler warning about the unused parameter. */
( void ) pvParameters;
/* Prevent the compiler warning about the unused parameter. */
( void ) pvParameters;
/* Initialise xNextWakeTime - this only needs to be done once. */
xNextWakeTime = xTaskGetTickCount();
/* Initialise xNextWakeTime - this only needs to be done once. */
xNextWakeTime = xTaskGetTickCount();
for( ;; )
{
/* Place this task in the blocked state until it is time to run again.
The block time is specified in ticks, pdMS_TO_TICKS() was used to
convert a time specified in milliseconds into a time specified in ticks.
While in the Blocked state this task will not consume any CPU time. */
vTaskDelayUntil( &xNextWakeTime, xBlockTime );
for( ;; )
{
/* Place this task in the blocked state until it is time to run again.
The block time is specified in ticks, pdMS_TO_TICKS() was used to
convert a time specified in milliseconds into a time specified in ticks.
While in the Blocked state this task will not consume any CPU time. */
vTaskDelayUntil( &xNextWakeTime, xBlockTime );
/* Send to the queue - causing the queue receive task to unblock and
write to the console. 0 is used as the block time so the send operation
will not block - it shouldn't need to block as the queue should always
have at least one space at this point in the code. */
xQueueSend( xQueue, &ulValueToSend, 0U );
}
/* Send to the queue - causing the queue receive task to unblock and
write to the console. 0 is used as the block time so the send operation
will not block - it shouldn't need to block as the queue should always
have at least one space at this point in the code. */
xQueueSend( xQueue, &ulValueToSend, 0U );
}
}
/*-----------------------------------------------------------*/
@ -209,18 +213,18 @@ static void prvQueueSendTimerCallback( TimerHandle_t xTimerHandle )
{
const uint32_t ulValueToSend = mainVALUE_SENT_FROM_TIMER;
/* This is the software timer callback function. The software timer has a
period of two seconds and is reset each time a key is pressed. This
callback function will execute if the timer expires, which will only happen
if a key is not pressed for two seconds. */
/* This is the software timer callback function. The software timer has a
period of two seconds and is reset each time a key is pressed. This
callback function will execute if the timer expires, which will only happen
if a key is not pressed for two seconds. */
/* Avoid compiler warnings resulting from the unused parameter. */
( void ) xTimerHandle;
/* Avoid compiler warnings resulting from the unused parameter. */
( void ) xTimerHandle;
/* Send to the queue - causing the queue receive task to unblock and
write out a message. This function is called from the timer/daemon task, so
must not block. Hence the block time is set to 0. */
xQueueSend( xQueue, &ulValueToSend, 0U );
/* Send to the queue - causing the queue receive task to unblock and
write out a message. This function is called from the timer/daemon task, so
must not block. Hence the block time is set to 0. */
xQueueSend( xQueue, &ulValueToSend, 0U );
}
/*-----------------------------------------------------------*/
@ -228,38 +232,78 @@ static void prvQueueReceiveTask( void *pvParameters )
{
uint32_t ulReceivedValue;
/* Prevent the compiler warning about the unused parameter. */
( void ) pvParameters;
/* Prevent the compiler warning about the unused parameter. */
( void ) pvParameters;
for( ;; )
{
/* Wait until something arrives in the queue - this task will block
indefinitely provided INCLUDE_vTaskSuspend is set to 1 in
FreeRTOSConfig.h. It will not use any CPU time while it is in the
Blocked state. */
xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
for( ;; )
{
/* Wait until something arrives in the queue - this task will block
indefinitely provided INCLUDE_vTaskSuspend is set to 1 in
FreeRTOSConfig.h. It will not use any CPU time while it is in the
Blocked state. */
xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
/* To get here something must have been received from the queue, but
is it an expected value? Normally calling printf() from a task is not
a good idea. Here there is lots of stack space and only one task is
using console IO so it is ok. However, note the comments at the top of
this file about the risks of making Windows system calls (such as
console output) from a FreeRTOS task. */
if( ulReceivedValue == mainVALUE_SENT_FROM_TASK )
{
printf( "Message received from task\r\n" );
}
else if( ulReceivedValue == mainVALUE_SENT_FROM_TIMER )
{
printf( "Message received from software timer\r\n" );
}
else
{
printf( "Unexpected message\r\n" );
}
/* Enter critical section to use printf. Not doing this could potentially cause
a deadlock if the FreeRTOS simulator switches contexts and another task
tries to call printf - it should be noted that use of printf within
the FreeRTOS simulator is unsafe, but used here for simplicity. */
taskENTER_CRITICAL();
{
/* To get here something must have been received from the queue, but
is it an expected value? Normally calling printf() from a task is not
a good idea. Here there is lots of stack space and only one task is
using console IO so it is ok. However, note the comments at the top of
this file about the risks of making Windows system calls (such as
console output) from a FreeRTOS task. */
if( ulReceivedValue == mainVALUE_SENT_FROM_TASK )
{
printf( "Message received from task\r\n" );
}
else if( ulReceivedValue == mainVALUE_SENT_FROM_TIMER )
{
printf( "Message received from software timer\r\n" );
}
else
{
printf( "Unexpected message\r\n" );
}
fflush( stdout );
}
fflush( stdout );
}
taskEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
/* Called from prvKeyboardInterruptHandler(), which is defined in main.c. */
void vBlinkyKeyboardInterruptHandler( int xKeyPressed )
{
/* Handle keyboard input. */
switch ( xKeyPressed )
{
case mainRESET_TIMER_KEY:
if ( xTimer != NULL )
{
/* Critical section around printf to prevent a deadlock
on context switch. */
portENTER_CRITICAL();
{
printf("\r\nResetting software timer.\r\n\r\n");
}
portEXIT_CRITICAL();
/* Reset the software timer. */
xTimerReset( xTimer, portMAX_DELAY );
}
break;
default:
break;
}
}

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FreeRTOS/Demo/WIN32-MingW/main_full.c
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