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Add Xtensa port

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The project file is for Xtensa Xplorer simulator.
Also add tests for one size stream buffer.
This commit is contained in:
Gaurav Aggarwal 2018-06-14 19:43:17 +00:00
parent 7d92e4dd8f
commit c4b1afc4ef
34 changed files with 8564 additions and 5 deletions
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214
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.cproject Normal file
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382
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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10
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<BuildTarget version="1.0" tool="xtensa">
<BuildSettings>
<BaseSettings path="project">
<LinkerOptions>
<LinkerSupport value="sim" key="-mlsp=" custom="false"/>
</LinkerOptions>
</BaseSettings>
</BuildSettings>
</BuildTarget>

40
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.settings/targets/xtensa/Debug.bts Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<BuildTarget tool="xtensa" version="1.0">
<BuildSettings>
<BaseSettings path="project">
<CompilerOptions>
<FlagValueMapOptions>
<FlagValueMapEntry>
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FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.xxproject Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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250
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/FreeRTOSConfig.h Normal file
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/*
FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
***************************************************************************
>>! NOTE: The modification to the GPL is included to allow you to !<<
>>! distribute a combined work that includes FreeRTOS without being !<<
>>! obliged to provide the source code for proprietary components !<<
>>! outside of the FreeRTOS kernel. !<<
***************************************************************************
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. Full license text is available on the following
link: http://www.freertos.org/a00114.html
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that is more than just the market leader, it *
* is the industry's de facto standard. *
* *
* Help yourself get started quickly while simultaneously helping *
* to support the FreeRTOS project by purchasing a FreeRTOS *
* tutorial book, reference manual, or both: *
* http://www.FreeRTOS.org/Documentation *
* *
***************************************************************************
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
the FAQ page "My application does not run, what could be wrong?". Have you
defined configASSERT()?
http://www.FreeRTOS.org/support - In return for receiving this top quality
embedded software for free we request you assist our global community by
participating in the support forum.
http://www.FreeRTOS.org/training - Investing in training allows your team to
be as productive as possible as early as possible. Now you can receive
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
Ltd, and the world's leading authority on the world's leading RTOS.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and commercial middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
/* Required for configuration-dependent settings */
#include "xtensa_config.h"
/*-----------------------------------------------------------
* Application specific definitions.
*
* These definitions should be adjusted for your particular hardware and
* application requirements.
*
* Note that the default heap size is deliberately kept small so that
* the build is more likely to succeed for configurations with limited
* memory.
*
* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*----------------------------------------------------------*/
#define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0
#ifdef SMALL_TEST
#define configUSE_TICK_HOOK 0
#else
#define configUSE_TICK_HOOK 1
#endif
#define configTICK_RATE_HZ ( 1000 )
/* Default clock rate for simulator */
#define configCPU_CLOCK_HZ 10000000 //_RB_ was 2MHz
/* This has impact on speed of search for highest priority */
#ifdef SMALL_TEST
#define configMAX_PRIORITIES ( 7 )
#else
#define configMAX_PRIORITIES ( 7 ) //_RB_
#endif
/* Minimal stack size. This may need to be increased for your application */
/* NOTE: The FreeRTOS demos may not work reliably with stack size < 4KB. */
/* The Xtensa-specific examples should be fine with XT_STACK_MIN_SIZE. */
#if !(defined XT_STACK_MIN_SIZE)
#error XT_STACK_MIN_SIZE not defined, did you include xtensa_config.h ?
#endif
#ifdef SMALL_TEST
#define configMINIMAL_STACK_SIZE (XT_STACK_MIN_SIZE)
#else
#define configMINIMAL_STACK_SIZE (XT_STACK_MIN_SIZE > 4096 ? XT_STACK_MIN_SIZE : 4096)
#endif
/* The Xtensa port uses a separate interrupt stack. Adjust the stack size */
/* to suit the needs of your specific application. */
#ifndef configISR_STACK_SIZE
#define configISR_STACK_SIZE 2048
#endif
/* Minimal heap size to make sure examples can run on memory limited
configs. Adjust this to suit your system. */
#ifdef SMALL_TEST
#define configTOTAL_HEAP_SIZE ( ( size_t ) (16 * 1024) )
#else
#define configTOTAL_HEAP_SIZE ( ( size_t ) (512 * 1024) )
#endif
#define configMAX_TASK_NAME_LEN ( 8 )
#define configUSE_TRACE_FACILITY 1 /* Used by vTaskList in main.c */
#define configUSE_STATS_FORMATTING_FUNCTIONS 0 /* Used by vTaskList in main.c */
#define configUSE_TRACE_FACILITY_2 0 /* Provided by Xtensa port patch */
#define configBENCHMARK 0 /* Provided by Xtensa port patch */
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 0
#define configQUEUE_REGISTRY_SIZE 0
#ifdef SMALL_TEST
#define configUSE_MUTEXES 1
#define configUSE_RECURSIVE_MUTEXES 1
#define configUSE_COUNTING_SEMAPHORES 1
#define configCHECK_FOR_STACK_OVERFLOW 0
#else
#define configUSE_MUTEXES 1
#define configUSE_RECURSIVE_MUTEXES 1
#define configUSE_COUNTING_SEMAPHORES 1
#define configCHECK_FOR_STACK_OVERFLOW 2
#endif
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */
#define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 1
#define INCLUDE_vTaskCleanUpResources 0
#define INCLUDE_vTaskSuspend 1
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
#define INCLUDE_uxTaskGetStackHighWaterMark 1
#define INCLUDE_xTaskAbortDelay 1
#define INCLUDE_xTaskGetHandle 1
#define INCLUDE_xSemaphoreGetMutexHolder 1
/* The priority at which the tick interrupt runs. This should probably be
kept at 1. */
#define configKERNEL_INTERRUPT_PRIORITY 1
/* The maximum interrupt priority from which FreeRTOS.org API functions can
be called. Only API functions that end in ...FromISR() can be used within
interrupts. */
#define configMAX_SYSCALL_INTERRUPT_PRIORITY XCHAL_EXCM_LEVEL
/* XT_USE_THREAD_SAFE_CLIB is defined in xtensa_config.h and can be
overridden from the compiler/make command line. The small test
however always disables C lib thread safety to minimize size. */
#ifdef SMALL_TEST
#define configUSE_NEWLIB_REENTRANT 0
#else
#if (XT_USE_THREAD_SAFE_CLIB > 0u)
#if XT_HAVE_THREAD_SAFE_CLIB
#define configUSE_NEWLIB_REENTRANT 0 //_RB_ 1
#else
#error "Error: thread-safe C library support not available for this C library."
#endif
#else
#define configUSE_NEWLIB_REENTRANT 0
#endif
#endif
/* Test FreeRTOS timers (with timer task) and more. */
/* Some files don't compile if this flag is disabled */
#define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY ( configMAX_PRIORITIES - 2 )
#define configTIMER_QUEUE_LENGTH 10
#define configTIMER_TASK_STACK_DEPTH configMINIMAL_STACK_SIZE
#ifdef SMALL_TEST
#define INCLUDE_xTimerPendFunctionCall 0
#define INCLUDE_eTaskGetState 0
#define configUSE_QUEUE_SETS 0
#else
#define INCLUDE_xTimerPendFunctionCall 1
#define INCLUDE_eTaskGetState 1
#define configUSE_QUEUE_SETS 1
#endif
/* Specific config for XTENSA (these can be deleted and they will take default values) */
#if (!defined XT_SIMULATOR) && (!defined XT_BOARD)
#define configXT_SIMULATOR 1 /* Simulator mode */
#define configXT_BOARD 0 /* Board mode */
#endif
#ifndef SMALL_TEST
#if (!defined XT_INTEXC_HOOKS)
#define configXT_INTEXC_HOOKS 1 /* Exception hooks used by certain tests */
#endif
#if configUSE_TRACE_FACILITY_2
#define configASSERT_2 1 /* Specific to Xtensa port */
#endif
#endif
/* It is a good idea to define configASSERT() while developing. configASSERT()
uses the same semantics as the standard C assert() macro. */
#if !defined __ASSEMBLER__
extern void vAssertCalled( unsigned long ulLine, const char * const pcFileName );
#endif
#define configASSERT( x ) if( ( x ) == 0 ) vAssertCalled( __LINE__, __FILE__ )
#define configSTREAM_BUFFER_TRIGGER_LEVEL_TEST_MARGIN ( 2 )
#define configCHECK_FOR_STACK_OVERFLOW 2
#endif /* FREERTOS_CONFIG_H */

156
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/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo includes. */
#include "IntQueueTimer.h"
#include "IntQueue.h"
/* Xtensa includes. */
#include <xtensa/corebits.h>
#include <xtensa/config/system.h>
#include <xtensa_api.h>
#include <xtensa/hal.h>
/*-----------------------------------------------------------*/
/* Check if Timer1 is available. */
#if XCHAL_TIMER1_INTERRUPT != XTHAL_TIMER_UNCONFIGURED
#if XCHAL_INT_LEVEL(XCHAL_TIMER1_INTERRUPT) <= XCHAL_EXCM_LEVEL
#define SECOND_TIMER_AVAILABLE 1
#endif
#endif
#ifndef SECOND_TIMER_AVAILABLE
#define SECOND_TIMER_AVAILABLE 0
#endif
/* Timer0 is used to drive systick and therefore we use Timer1
* as second interrupt which runs on a higher priority than
* Timer0. This ensures that systick will get interrupted by
* this timer and hence we can test interrupt nesting. */
#define SECOND_TIMER_INDEX 1
/* Frequency of the second timer - This timer is configured at
* a frequency offset of 17 from the systick timer. */
#define SECOND_TIMER_TICK_RATE_HZ ( configTICK_RATE_HZ + 17 )
#define SECOND_TIMER_TICK_DIVISOR ( configCPU_CLOCK_HZ / SECOND_TIMER_TICK_RATE_HZ )
/*-----------------------------------------------------------*/
/* Defined in main_full.c. */
extern BaseType_t xTimerForQueueTestInitialized;
/*-----------------------------------------------------------*/
/* Interrupt handler for timer interrupt. */
#if( SECOND_TIMER_AVAILABLE == 1 )
static void prvTimer2Handler( void *arg );
#endif /* SECOND_TIMER_AVAILABLE */
/*-----------------------------------------------------------*/
void vInitialiseTimerForIntQueueTest( void )
{
unsigned currentCycleCount, firstComparatorValue;
/* Inform the tick hook function that it can access queues now. */
xTimerForQueueTestInitialized = pdTRUE;
#if( SECOND_TIMER_AVAILABLE == 1 )
{
/* Install the interrupt handler for second timer. */
xt_set_interrupt_handler( XCHAL_TIMER1_INTERRUPT, prvTimer2Handler, NULL );
/* Read the current cycle count. */
currentCycleCount = xthal_get_ccount();
/* Calculate time of the first timer interrupt. */
firstComparatorValue = currentCycleCount + SECOND_TIMER_TICK_DIVISOR;
/* Set the comparator. */
xthal_set_ccompare( SECOND_TIMER_INDEX, firstComparatorValue );
/* Enable timer interrupt. */
xt_ints_on( ( 1 << XCHAL_TIMER1_INTERRUPT ) );
}
#endif /* SECOND_TIMER_AVAILABLE */
}
/*-----------------------------------------------------------*/
/*
* Xtensa timers work by comparing a cycle counter with a preset value. Once the match occurs
* an interrupt is generated, and the handler has to set a new cycle count into the comparator.
* To avoid clock drift due to interrupt latency, the new cycle count is computed from the old,
* not the time the interrupt was serviced. However if a timer interrupt is ever serviced more
* than one tick late, it is necessary to process multiple ticks until the new cycle count is
* in the future, otherwise the next timer interrupt would not occur until after the cycle
* counter had wrapped (2^32 cycles later).
do {
ticks++;
old_ccompare = read_ccompare_i();
write_ccompare_i( old_ccompare + divisor );
service one tick;
diff = read_ccount() - old_ccompare;
} while ( diff > divisor );
*/
#if( SECOND_TIMER_AVAILABLE == 1 )
static void prvTimer2Handler( void *arg )
{
unsigned oldComparatorValue, newComparatorValue, currentCycleCount;
/* Unused arguments. */
( void )arg;
do
{
/* Read old comparator value. */
oldComparatorValue = xthal_get_ccompare( SECOND_TIMER_INDEX );
/* Calculate the new comparator value. */
newComparatorValue = oldComparatorValue + SECOND_TIMER_TICK_DIVISOR;
/* Update comparator and clear interrupt. */
xthal_set_ccompare( SECOND_TIMER_INDEX, newComparatorValue );
/* Process. */
portYIELD_FROM_ISR( xSecondTimerHandler() );
/* Ensure comparator update is complete. */
xthal_icache_sync();
/* Read current cycle count to check if we need to process more
* ticks to catch up. */
currentCycleCount = xthal_get_ccount();
} while( ( currentCycleCount - oldComparatorValue ) > SECOND_TIMER_TICK_DIVISOR );
}
#endif /* SECOND_TIMER_AVAILABLE */
/*-----------------------------------------------------------*/

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/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
#ifndef INT_QUEUE_TIMER_H
#define INT_QUEUE_TIMER_H
void vInitialiseTimerForIntQueueTest( void );
void vTimer2Handler_C( void );
#endif /* INT_QUEUE_TIMER_H */

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/*
* FreeRTOS Kernel V10.0.1
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/******************************************************************************
* This project provides two demo applications. A simple blinky style project,
* and a more comprehensive test and demo application. The
* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.
* The simply blinky demo is implemented and described in main_blinky.c. The
* more comprehensive test and demo application is implemented and described in
* main_full.c.
*
* This file implements the code that is not demo specific, including the
* hardware setup and FreeRTOS hook functions.
*
*******************************************************************************
*/
/* Standard includes. */
#include <stdio.h>
#include <stdlib.h>
/* FreeRTOS kernel includes. */
#include "FreeRTOS.h"
#include "task.h"
/* This project provides two demo applications. A simple blinky style demo
application, and a more comprehensive test and demo application. The
mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.
If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is 1 then the blinky demo will be built.
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
/*-----------------------------------------------------------*/
/*
* main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
* main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
*/
extern void main_blinky( void );
extern void main_full( void );
/*
* Prototypes for the standard FreeRTOS application hook (callback) functions
* implemented within this file. See http://www.freertos.org/a00016.html .
*/
void vApplicationMallocFailedHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );
/*
* Only the comprehensive demo uses application hook (callback) functions. See
* http://www.freertos.org/a00016.html for more information.
*/
void vFullDemoTickHookFunction( void );
/*-----------------------------------------------------------*/
int main( void )
{
/* 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__ );
}
/*-----------------------------------------------------------*/
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
{
( 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__ );
}
/*-----------------------------------------------------------*/
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()). */
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
{
vFullDemoTickHookFunction();
}
#endif /* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY */
}
/*-----------------------------------------------------------*/
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. */
/* Parameters are not used. */
( void ) ulLine;
( void ) pcFileName;
printf( "ASSERT! Line %ld, file %s\r\n", ulLine, pcFileName );
taskENTER_CRITICAL();
{
/* 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();
}
/*-----------------------------------------------------------*/

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/*
* FreeRTOS Kernel V10.0.1
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/******************************************************************************
* NOTE 1: Windows will not be running the FreeRTOS demo threads continuously, so
* do not expect to get real time behaviour from the FreeRTOS Windows port, or
* this demo application. Also, the timing information in the FreeRTOS+Trace
* logs have no meaningful units. See the documentation page for the Windows
* port for further information:
* http://www.freertos.org/FreeRTOS-Windows-Simulator-Emulator-for-Visual-Studio-and-Eclipse-MingW.html
*
* NOTE 2: This project provides two demo applications. A simple blinky style
* project, and a more comprehensive test and demo application. The
* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting in main.c is used to select
* between the two. See the notes on using mainCREATE_SIMPLE_BLINKY_DEMO_ONLY
* in main.c. This file implements the simply blinky version. Console output
* is used in place of the normal LED toggling.
*
* NOTE 3: This file only contains the source code that is specific to the
* basic demo. Generic functions, such FreeRTOS hook functions, are defined
* in main.c.
******************************************************************************
*
* main_blinky() creates one queue, one software timer, and two tasks. It then
* starts the scheduler.
*
* The Queue Send Task:
* The queue send task is implemented by the prvQueueSendTask() function in
* this file. It uses vTaskDelayUntil() to create a periodic task that sends
* the value 100 to the queue every 200 milliseconds (please read the notes
* above regarding the accuracy of timing under Windows).
*
* The Queue Send Software Timer:
* The timer is an auto-reload timer with a period of two seconds. The timer's
* callback function writes the value 200 to the queue. The callback function
* is implemented by prvQueueSendTimerCallback() within this file.
*
* The Queue Receive Task:
* The queue receive task is implemented by the prvQueueReceiveTask() function
* in this file. prvQueueReceiveTask() waits for data to arrive on the queue.
* When data is received, the task checks the value of the data, then outputs a
* message to indicate if the data came from the queue send task or the queue
* send software timer.
*
* Expected Behaviour:
* - The queue send task writes to the queue every 200ms, so every 200ms the
* queue receive task will output a message indicating that data was received
* on the queue from the queue send task.
* - The queue send software timer has a period of two seconds, and is reset
* each time a key is pressed. So if two seconds expire without a key being
* pressed then the queue receive task will output a message indicating that
* data was received on the queue from the queue send software timer.
*
* NOTE: Console input and output relies on Windows system calls, which can
* interfere with the execution of the FreeRTOS Windows port. This demo only
* uses Windows system call occasionally. Heavier use of Windows system calls
* can crash the port.
*/
/* Standard includes. */
#include <stdio.h>
/* Kernel includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "timers.h"
#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 )
/* 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 )
/* The number of items the queue can hold at once. */
#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 )
/*-----------------------------------------------------------*/
/*
* The tasks as described in the comments at the top of this file.
*/
static void prvQueueReceiveTask( void *pvParameters );
static void prvQueueSendTask( void *pvParameters );
/*
* The callback function executed when the software timer expires.
*/
static void prvQueueSendTimerCallback( TimerHandle_t xTimerHandle );
/*-----------------------------------------------------------*/
/* The queue used by both tasks. */
static QueueHandle_t xQueue = NULL;
/* A software timer that is started from the tick hook. */
static TimerHandle_t xTimer = NULL;
/*-----------------------------------------------------------*/
/*** SEE THE COMMENTS AT THE TOP OF THIS FILE ***/
void main_blinky( void )
{
const TickType_t xTimerPeriod = mainTIMER_SEND_FREQUENCY_MS;
/* 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. */
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. */
if( xTimer != NULL )
{
xTimerStart( xTimer, 0 );
}
/* 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( ;; );
}
/*-----------------------------------------------------------*/
static void prvQueueSendTask( void *pvParameters )
{
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;
/* 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 );
/* 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 );
}
}
/*-----------------------------------------------------------*/
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. */
/* 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 );
}
/*-----------------------------------------------------------*/
static void prvQueueReceiveTask( void *pvParameters )
{
uint32_t ulReceivedValue;
/* 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 );
/* 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 );
}
}
/*-----------------------------------------------------------*/

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/*
* FreeRTOS Kernel V10.0.1
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*
* main() creates all the demo application tasks, then starts the scheduler.
* The web documentation provides more details of the standard demo application
* tasks, which provide no particular functionality but do provide a good
* example of how to use the FreeRTOS API.
*
* In addition to the standard demo tasks, the following tasks and tests are
* defined and/or created within this file:
*
* "Check" task - This only executes every five seconds but has a high priority
* to ensure it gets processor time. Its main function is to check that all the
* standard demo tasks are still operational. While no errors have been
* discovered the check task will print out "OK" and the current simulated tick
* time. If an error is discovered in the execution of a task then the check
* task will print out an appropriate error message.
*
*/
/* Standard includes. */
#include <stdio.h>
#include <stdlib.h>
/* Kernel includes. */
#include <FreeRTOS.h>
#include <task.h>
#include <queue.h>
#include <timers.h>
#include <semphr.h>
/* Standard demo includes. */
#include "BlockQ.h"
#include "integer.h"
#include "semtest.h"
#include "PollQ.h"
#include "GenQTest.h"
#include "QPeek.h"
#include "recmutex.h"
#include "flop.h"
#include "TimerDemo.h"
#include "countsem.h"
#include "death.h"
#include "QueueSet.h"
#include "QueueOverwrite.h"
#include "EventGroupsDemo.h"
#include "IntSemTest.h"
#include "TaskNotify.h"
#include "QueueSetPolling.h"
#include "StaticAllocation.h"
#include "blocktim.h"
#include "AbortDelay.h"
#include "MessageBufferDemo.h"
#include "StreamBufferDemo.h"
#include "StreamBufferInterrupt.h"
/* Priorities at which the tasks are created. */
#define mainCHECK_TASK_PRIORITY ( configMAX_PRIORITIES - 2 )
#define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainCREATOR_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
#define mainFLASH_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainINTEGER_TASK_PRIORITY ( tskIDLE_PRIORITY )
#define mainGEN_QUEUE_TASK_PRIORITY ( tskIDLE_PRIORITY )
#define mainFLOP_TASK_PRIORITY ( tskIDLE_PRIORITY )
#define mainQUEUE_OVERWRITE_PRIORITY ( tskIDLE_PRIORITY )
#define mainTIMER_TEST_PERIOD ( 50 )
/* Parameters that are passed into the register check tasks solely for the
purpose of ensuring parameters are passed into tasks correctly. */
#define mainREG_TEST_TASK_1_PARAMETER ( ( void * ) 0x12345678 )
#define mainREG_TEST_TASK_2_PARAMETER ( ( void * ) 0x87654321 )
/* Whether or not to enable interrupt queue tests. */
#define mainENABLE_INT_QUEUE_TESTS ( 0 )
/* The task that periodically checks that all the standard demo tasks are
* still executing and error free.
*/
static void prvCheckTask( void *pvParameters );
/* Tasks that implement register tests. */
static void prvRegTest1Task( void *pvParameters );
static void prvRegTest2Task( void *pvParameters );
/* Functions implemented in assembly file regtest_xtensa.S. */
extern void vRegTest1( void );
extern void vRegTest2( void );
/*-----------------------------------------------------------*/
/* The variable into which error messages are latched. */
static char *pcStatusMessage = "No errors";
/* The following two variables are used to communicate the status of the
register check tasks to the check task. If the variables keep incrementing,
then the register check tasks have not discovered any errors. If a variable
stops incrementing, then an error has been found. */
volatile unsigned long ulRegTest1Counter = 0UL, ulRegTest2Counter = 0UL;
/* The following variable is used to communicate whether the timers for the
IntQueue tests have been Initialized. This is needed to ensure that the queues
are accessed from the tick hook only after they have been created in the
interrupt queue test. */
volatile BaseType_t xTimerForQueueTestInitialized = pdFALSE;
/*-----------------------------------------------------------*/
int main_full( void )
{
/* Start the check task as described at the top of this file. */
xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
#if( mainENABLE_INT_QUEUE_TESTS == 0 )
{
/* Create the standard demo tasks. */
vStartTaskNotifyTask();
vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
vStartQueuePeekTasks();
vStartMathTasks( mainFLOP_TASK_PRIORITY );
vStartRecursiveMutexTasks();
vStartCountingSemaphoreTasks();
vStartQueueSetTasks();
vStartQueueOverwriteTask( mainQUEUE_OVERWRITE_PRIORITY );
vStartEventGroupTasks();
vStartInterruptSemaphoreTasks();
vStartQueueSetPollingTask();
vCreateBlockTimeTasks();
#if( configUSE_PREEMPTION != 0 )
{
/* Don't expect these tasks to pass when preemption is not used. */
vStartTimerDemoTask( mainTIMER_TEST_PERIOD );
}
#endif
vCreateAbortDelayTasks();
vStartMessageBufferTasks( configMINIMAL_STACK_SIZE );
vStartStreamBufferTasks();
vStartStreamBufferInterruptDemo();
/* Create the register check tasks, as described at the top of this file */
xTaskCreate( prvRegTest1Task, "Reg1", configMINIMAL_STACK_SIZE, mainREG_TEST_TASK_1_PARAMETER, tskIDLE_PRIORITY, NULL );
xTaskCreate( prvRegTest2Task, "Reg2", configMINIMAL_STACK_SIZE, mainREG_TEST_TASK_2_PARAMETER, tskIDLE_PRIORITY, NULL );
/* The suicide tasks must be created last as they need to know how many
tasks were running prior to their creation. This then allows them to
ascertain whether or not the correct/expected number of tasks are running at
any given time. */
vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
}
#else /* mainENABLE_INT_QUEUE_TESTS */
{
/* Start interrupt queue test tasks. */
vStartInterruptQueueTasks();
}
#endif /* mainENABLE_INT_QUEUE_TESTS */
/* Start the scheduler itself. */
vTaskStartScheduler();
/* Should never get here unless there was not enough heap space to create
the idle and other system tasks. */
return 0;
}
/*-----------------------------------------------------------*/
static void prvCheckTask( void *pvParameters )
{
TickType_t xNextWakeTime;
const TickType_t xCycleFrequency = pdMS_TO_TICKS( 5000UL );
static unsigned long ulLastRegTest1Value = 0, ulLastRegTest2Value = 0;
/* Just to remove compiler warning. */
( void ) pvParameters;
/* 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. */
vTaskDelayUntil( &xNextWakeTime, xCycleFrequency );
#if( mainENABLE_INT_QUEUE_TESTS == 0 )
{
/* Check the standard demo tasks are running without error. */
#if( configUSE_PREEMPTION != 0 )
{
/* These tasks are only created when preemption is used. */
if( xAreTimerDemoTasksStillRunning( xCycleFrequency ) != pdTRUE )
{
pcStatusMessage = "Error: TimerDemo";
}
}
#endif
if( xAreTaskNotificationTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: Notification";
}
else if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: BlockQueue";
}
else if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: SemTest";
}
else if( xArePollingQueuesStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: PollQueue";
}
else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: IntMath";
}
else if( xAreGenericQueueTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: GenQueue";
}
else if( xAreQueuePeekTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: QueuePeek";
}
else if( xAreMathsTaskStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Flop";
}
else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: RecMutex";
}
else if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: CountSem";
}
else if( xAreQueueSetTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Queue set";
}
else if( xIsQueueOverwriteTaskStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Queue overwrite";
}
else if( xAreEventGroupTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: EventGroup";
}
else if( xAreInterruptSemaphoreTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: IntSem";
}
else if( xAreQueueSetPollTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Queue set polling";
}
else if( xAreBlockTimeTestTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Block time";
}
else if( xAreAbortDelayTestTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Abort delay";
}
else if( xAreMessageBufferTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: MessageBuffer";
}
else if( xAreStreamBufferTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: StreamBuffer";
}
else if( xIsInterruptStreamBufferDemoStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Stream buffer interrupt";
}
else if( xIsCreateTaskStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: Death";
}
else if( ulLastRegTest1Value == ulRegTest1Counter )
{
pcStatusMessage = "Error: Reg Test 1";
}
else if( ulLastRegTest2Value == ulRegTest2Counter )
{
pcStatusMessage = "Error: Reg Test 2";
}
/* Update register test counters. */
ulLastRegTest1Value = ulRegTest1Counter;
ulLastRegTest2Value = ulRegTest2Counter;
}
#else /* mainENABLE_INT_QUEUE_TESTS */
{
if( xAreIntQueueTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: IntQueue";
}
}
#endif /* mainENABLE_INT_QUEUE_TESTS */
/* This is the only task that uses stdout so its ok to call printf()
directly. */
printf( "%s - tick count %zu - free heap %zu - min free heap %zu\r\n", pcStatusMessage,
xTaskGetTickCount(),
xPortGetFreeHeapSize(),
xPortGetMinimumEverFreeHeapSize() );
}
}
/*-----------------------------------------------------------*/
/* Called by vApplicationTickHook(), which is defined in main.c. */
void vFullDemoTickHookFunction( void )
{
TaskHandle_t xTimerTask;
#if( mainENABLE_INT_QUEUE_TESTS == 0 )
{
/* Exercise using task notifications from an interrupt. */
xNotifyTaskFromISR();
/* Write to a queue that is in use as part of the queue set demo to
* demonstrate using queue sets from an ISR. */
vQueueSetAccessQueueSetFromISR();
/* Call the periodic queue overwrite from ISR demo. */
vQueueOverwritePeriodicISRDemo();
/* Exercise event groups from interrupts. */
vPeriodicEventGroupsProcessing();
/* Exercise giving mutexes from an interrupt. */
vInterruptSemaphorePeriodicTest();
/* Queue set access from interrupt. */
vQueueSetPollingInterruptAccess();
/* Call the periodic timer test, which tests the timer API functions that
can be called from an ISR. */
#if( configUSE_PREEMPTION != 0 )
{
/* Only created when preemption is used. */
vTimerPeriodicISRTests();
}
#endif
/* Writes to stream buffer byte by byte to test the stream buffer trigger
level functionality. */
vPeriodicStreamBufferProcessing();
/* Writes a string to a string buffer four bytes at a time to demonstrate
a stream being sent from an interrupt to a task. */
vBasicStreamBufferSendFromISR();
}
#else /* mainENABLE_INT_QUEUE_TESTS */
{
/* Access queues from interrupt. Make sure to access after the queues have
been created. */
if( xTimerForQueueTestInitialized == pdTRUE )
{
portYIELD_FROM_ISR( xFirstTimerHandler() );
}
}
#endif /* mainENABLE_INT_QUEUE_TESTS */
}
/*-----------------------------------------------------------*/
static void prvRegTest1Task( void *pvParameters )
{
/* Although the regtest task is written in assembly, its entry point is
written in C for convenience of checking the task parameter is being passed
in correctly. */
if( pvParameters == mainREG_TEST_TASK_1_PARAMETER )
{
/* Start the part of the test that is written in assembly. */
vRegTest1();
}
/* The following line will only execute if the task parameter is found to
be incorrect. The check task will detect that the regtest loop counter is
not being incremented and flag an error. */
vTaskDelete( NULL );
}
/*-----------------------------------------------------------*/
static void prvRegTest2Task( void *pvParameters )
{
/* Although the regtest task is written in assembly, its entry point is
written in C for convenience of checking the task parameter is being passed
in correctly. */
if( pvParameters == mainREG_TEST_TASK_2_PARAMETER )
{
/* Start the part of the test that is written in assembly. */
vRegTest2();
}
/* The following line will only execute if the task parameter is found to
be incorrect. The check task will detect that the regtest loop counter is
not being incremented and flag an error. */
vTaskDelete( NULL );
}
/*-----------------------------------------------------------*/

219
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/regtest_xtensa.S Normal file
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@ -0,0 +1,219 @@
/*
* FreeRTOS Kernel V10.0.1
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
#include "FreeRTOSConfig.h"
//#include "ISR_Support.h"
.extern ulRegTest1Counter
.extern ulRegTest2Counter
.extern vPortYield
.global vRegTest1
.global vRegTest2
.text
.align 4
/*-----------------------------------------------------------*/
vRegTest1:
/* Set initial values into the general purpose registers. */
/* a0 = return address, a1 = stack pointer. */
#ifdef __XTENSA_WINDOWED_ABI__
entry a1, 64
s32i a0, a1, 0 /* Save return address */
#else
addi a1, a1, -64
s32i a0, a1, 0 /* Save return address */
s32i a12, a1, 4 /* Save callee-saved regs if call0 ABI */
s32i a13, a1, 8
s32i a14, a1, 12
s32i a15, a1, 16
#endif
movi a2, 0x11111111
movi a3, 0x22222222
movi a4, 0x33333333
movi a5, 0x44444444
movi a6, 0x55555555
movi a7, 0x66666666
movi a8, 0x77777777
movi a9, 0x88888888
movi a10, 0x99999999
movi a11, 0xaaaaaaaa
movi a12, 0xbbbbbbbb
movi a13, 0xcccccccc
movi a14, 0xdddddddd
movi a15, 0xeeeeeeee
_RegTest1Loop:
/* Loop checking the values originally loaded into the general purpose
registers remain through the life of the task. */
movi a0, 0x11111111
bne a0, a2, _RegTest1Error
movi a0, 0x22222222
bne a0, a3, _RegTest1Error
movi a0, 0x33333333
bne a0, a4, _RegTest1Error
movi a0, 0x44444444
bne a0, a5, _RegTest1Error
movi a0, 0x55555555
bne a0, a6, _RegTest1Error
movi a0, 0x66666666
bne a0, a7, _RegTest1Error
movi a0, 0x77777777
bne a0, a8, _RegTest1Error
movi a0, 0x88888888
bne a0, a9, _RegTest1Error
movi a0, 0x99999999
bne a0, a10, _RegTest1Error
movi a0, 0xaaaaaaaa
bne a0, a11, _RegTest1Error
movi a0, 0xbbbbbbbb
bne a0, a12, _RegTest1Error
movi a0, 0xcccccccc
bne a0, a13, _RegTest1Error
movi a0, 0xdddddddd
bne a0, a14, _RegTest1Error
movi a0, 0xeeeeeeee
bne a0, a15, _RegTest1Error
/* Incrememnt the loop counter to prove this task has not gone into the
error null loop. */
s32i a2, a1, 20
movi a2, ulRegTest1Counter
l32i a0, a2, 0
addi a0, a0, 1
s32i a0, a2, 0
l32i a2, a1, 20
/* Loop again. */
j _RegTest1Loop
_RegTest1Error:
.L1:
j .L1
.align 4
/*-----------------------------------------------------------*/
vRegTest2:
/* Set initial values into the general purpose registers. */
/* a0 = return address, a1 = stack pointer. */
#ifdef __XTENSA_WINDOWED_ABI__
entry a1, 64
s32i a0, a1, 0 /* Save return address */
#else
addi a1, a1, -64
s32i a0, a1, 0 /* Save return address */
s32i a12, a1, 4 /* Save callee-saved regs if call0 ABI */
s32i a13, a1, 8
s32i a14, a1, 12
s32i a15, a1, 16
#endif
_ReInit:
movi a2, 0x01010101
movi a3, 0x02020202
movi a4, 0x03030303
movi a5, 0x04040404
movi a6, 0x05050505
movi a7, 0x06060606
movi a8, 0x07070707
movi a9, 0x08080808
movi a10, 0x09090909
movi a11, 0x0a0a0a0a
movi a12, 0x0b0b0b0b
movi a13, 0x0c0c0c0c
movi a14, 0x0d0d0d0d
movi a15, 0x0e0e0e0e
_RegTest2Loop:
/* Loop checking the values originally loaded into the general purpose
registers remain through the life of the task. */
movi a0, 0x01010101
bne a0, a2, _RegTest1Error
movi a0, 0x02020202
bne a0, a3, _RegTest1Error
movi a0, 0x03030303
bne a0, a4, _RegTest1Error
movi a0, 0x04040404
bne a0, a5, _RegTest1Error
movi a0, 0x05050505
bne a0, a6, _RegTest1Error
movi a0, 0x06060606
bne a0, a7, _RegTest1Error
movi a0, 0x07070707
bne a0, a8, _RegTest1Error
movi a0, 0x08080808
bne a0, a9, _RegTest1Error
movi a0, 0x09090909
bne a0, a10, _RegTest1Error
movi a0, 0x0a0a0a0a
bne a0, a11, _RegTest1Error
movi a0, 0x0b0b0b0b
bne a0, a12, _RegTest1Error
movi a0, 0x0c0c0c0c
bne a0, a13, _RegTest1Error
movi a0, 0x0d0d0d0d
bne a0, a14, _RegTest1Error
movi a0, 0x0e0e0e0e
bne a0, a15, _RegTest1Error
/* Force a yield from one of the reg test tasks to increase coverage. */
/* IMPORTANT: this call will trash some number of registers. Branch */
/* to _ReInit to set things up again. */
#ifdef __XTENSA_WINDOWED_ABI__
call8 vPortYield
#else
call0 vPortYield
#endif
/* Increment the loop counter to prove this task has not gone into the
error null loop. */
s32i a2, a1, 20
movi a2, ulRegTest2Counter
l32i a0, a2, 0
addi a0, a0, 1
s32i a0, a2, 0
l32i a2, a1, 20
/* Loop again. */
j _ReInit /* See comments above */
/* j _RegTest2Loop */
_RegTest2Error:
.L2:
j .L2