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Fix Xtensa project file and some documentation improvements.

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pull/4/head
Gaurav Aggarwal 6 years ago
parent c6de0001fa
commit 1af80854e6
9 changed files with 636 additions and 695 deletions
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220
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.cproject
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@ -1,220 +0,0 @@
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46
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.project
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@ -58,6 +58,11 @@
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</link>
</linkedResources>
</projectDescription>

248
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/FreeRTOSConfig.h
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@ -71,182 +71,192 @@
#define FREERTOS_CONFIG_H
/* Required for configuration-dependent settings */
/* 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.
*----------------------------------------------------------*/
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*---------------------------------------------------------------------------
*/
#define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0
#define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0
#ifdef SMALL_TEST
#define configUSE_TICK_HOOK 0
#define configUSE_TICK_HOOK 0
#else
#define configUSE_TICK_HOOK 1
#define configUSE_TICK_HOOK 1
#endif
#define configTICK_RATE_HZ ( 1000 )
#define configTICK_RATE_HZ ( 1000 )
/* Default clock rate for simulator */
#define configCPU_CLOCK_HZ 10000000 //_RB_ was 2MHz
#define configCPU_CLOCK_HZ 10000000
/* This has impact on speed of search for highest priority */
#ifdef SMALL_TEST
#define configMAX_PRIORITIES ( 7 )
#else
#define configMAX_PRIORITIES ( 7 ) //_RB_
#endif
/* Max possible priorities. */
#define configMAX_PRIORITIES ( 7 )
/* 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. */
/* NOTE: the size is defined in terms of StackType_t units not bytes. */
#if !(defined XT_STACK_MIN_SIZE)
#error XT_STACK_MIN_SIZE not defined, did you include xtensa_config.h ?
/**
* 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.
*
* @note: The size is defined in terms of StackType_t units not bytes.
*/
#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 / sizeof(StackType_t))
#define configMINIMAL_STACK_SIZE ( XT_STACK_MIN_SIZE / sizeof( StackType_t ) )
#else
#define configMINIMAL_STACK_SIZE (XT_STACK_MIN_SIZE > 1024 ? XT_STACK_MIN_SIZE : 1024)
#define configMINIMAL_STACK_SIZE ( XT_STACK_MIN_SIZE > 1024 ? XT_STACK_MIN_SIZE : 1024 )
#endif
/* The Xtensa port uses a separate interrupt stack. Adjust the stack size */
/* to suit the needs of your specific application. */
/* NOTE: the size is defined in bytes. */
/**
* The Xtensa port uses a separate interrupt stack. Adjust the stack size to
* suit the needs of your specific application.
*
* @note: the size is defined in bytes.
*/
#ifndef configISR_STACK_SIZE
#define configISR_STACK_SIZE 2048
#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. */
/**
* 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) )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 16 * 1024 ) )
#else
#define configTOTAL_HEAP_SIZE ( ( size_t ) (512 * 1024) )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 512 * 1024 ) )
#endif
#define configMAX_TASK_NAME_LEN ( 8 )
#define configUSE_TRACE_FACILITY 0 /* 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
#define configMAX_TASK_NAME_LEN ( 8 )
#define configUSE_TRACE_FACILITY 0
#define configUSE_STATS_FORMATTING_FUNCTIONS 0
#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
#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
#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. */
#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
#define configUSE_NEWLIB_REENTRANT 0
#else
#define configUSE_NEWLIB_REENTRANT 0
#endif
#if ( XT_USE_THREAD_SAFE_CLIB > 0u )
#if XT_HAVE_THREAD_SAFE_CLIB
#define configUSE_NEWLIB_REENTRANT 0
#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
#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
#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
#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 */
/**
* 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 (!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 */
#if configUSE_TRACE_FACILITY_2
#define configASSERT_2 1 /* Specific to Xtensa port. */
#endif
#endif
#endif
/* It is a good idea to define configASSERT() while developing. configASSERT()
uses the same semantics as the standard C assert() macro. */
/**
* 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 configSTREAM_BUFFER_TRIGGER_LEVEL_TEST_MARGIN ( 2 ) /* Used by stream buffer tests. */
#endif /* FREERTOS_CONFIG_H */

44
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/IntQueueTimer.c
Unescape Escape View File

@ -43,32 +43,38 @@
/* 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
#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
#define SECOND_TIMER_AVAILABLE 0
#endif
/* Timer0 is used to drive systick and therefore we use Timer1
/**
* 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
* 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 )
/**
* 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. */
/**
* Interrupt handler for timer interrupt.
*/
#if( SECOND_TIMER_AVAILABLE == 1 )
static void prvTimer2Handler( void *arg );
#endif /* SECOND_TIMER_AVAILABLE */
@ -103,13 +109,15 @@ unsigned currentCycleCount, firstComparatorValue;
/*-----------------------------------------------------------*/
/*
* 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).
* 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++;

5
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/IntQueueTimer.h
Unescape Escape View File

@ -29,8 +29,9 @@
#ifndef INT_QUEUE_TIMER_H
#define INT_QUEUE_TIMER_H
/**
* The function called from interrupt tests to initialise timer.
*/
void vInitialiseTimerForIntQueueTest( void );
void vTimer2Handler_C( void );
#endif /* INT_QUEUE_TIMER_H */

121
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main.c
Unescape Escape View File

@ -26,15 +26,17 @@
*/
/******************************************************************************
* 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 project provides two demo applications:
* - A simple blinky style demo application.
* - A more comprehensive test and demo application.
* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY macro is used to select between the two.
*
* This file implements the code that is not demo specific, including the
* hardware setup and FreeRTOS hook functions.
* The simply blinky demo is implemented and described in the file main_blinky.c.
* The more comprehensive test and demo application is implemented and described
* in the file main_full.c.
*
* This file implements the code that is not demo specific, including the FreeRTOS
* hook functions.
*
*******************************************************************************
*/
@ -47,48 +49,60 @@
#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. */
/**
* This project provides two demo applications:
* - A simple blinky style demo application.
* - A more comprehensive test and demo application.
* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY macro is used to select between the two.
*
* If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 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 set to 0 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.
/**
* The entry function for the blinky demo application.
*
* This is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
*/
extern void main_blinky( void );
/**
* The entry function for the comprehensive test and demo application.
*
* This is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
*/
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 .
* 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.
/**
* The function called from the tick hook.
*
* @note Only the comprehensive demo uses application hook (callback) functions.
*
* @see http://www.freertos.org/a00016.html
*/
void vFullDemoTickHookFunction( void );
/*-----------------------------------------------------------*/
int main( void )
{
/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
of this file. */
* of this file. */
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
{
main_blinky();
@ -106,17 +120,17 @@ int main( void )
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. */
* 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__ );
}
/*-----------------------------------------------------------*/
@ -127,10 +141,8 @@ void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *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. */
* configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
* function is called if a stack overflow is detected. */
vAssertCalled( __LINE__, __FILE__ );
}
/*-----------------------------------------------------------*/
@ -138,11 +150,10 @@ void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
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()). */
* 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();
@ -157,19 +168,17 @@ 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. */
* 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();
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. */
* the debugger to set ulSetToNonZeroInDebuggerToContinue to a non-zero
* value. */
while( ulSetToNonZeroInDebuggerToContinue == 0 )
{
__asm volatile( "NOP" );

117
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main_blinky.c
Unescape Escape View File

@ -26,33 +26,18 @@
*/
/******************************************************************************
* 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
* NOTE: 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
* 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 value 100 to the queue every 200 milliseconds.
*
* The Queue Send Software Timer:
* The timer is an auto-reload timer with a period of two seconds. The timer's
@ -66,19 +51,13 @@
* message to indicate if the data came from the queue send task or the queue
* send software timer.
*
* Expected Behaviour:
* Expected Behavior:
* - 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.
* - The queue send software timer has a period of two seconds, so every two
* seconds the queue receive task will output a message indicating that data
* was received on the queue from the queue send software timer.
*/
/* Standard includes. */
@ -90,47 +69,55 @@
#include "timers.h"
#include "semphr.h"
/* Priorities at which the tasks are created. */
/**
* 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. */
/**
* 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. */
/**
* 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. */
/**
* 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. */
/**
* The queue used by both tasks.
*/
static QueueHandle_t xQueue = NULL;
/* A software timer that is started from the tick hook. */
/**
* 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;
@ -141,7 +128,7 @@ const TickType_t xTimerPeriod = mainTIMER_SEND_FREQUENCY_MS;
if( xQueue != NULL )
{
/* Start the two tasks as described in the comments at the top of this
file. */
* 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. */
@ -168,10 +155,10 @@ const TickType_t xTimerPeriod = mainTIMER_SEND_FREQUENCY_MS;
}
/* 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. */
* 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( ;; );
}
/*-----------------------------------------------------------*/
@ -191,15 +178,15 @@ const uint32_t ulValueToSend = mainVALUE_SENT_FROM_TASK;
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. */
* 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. */
* 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 );
}
}
@ -210,16 +197,16 @@ 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. */
* 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. */
* 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 );
}
/*-----------------------------------------------------------*/
@ -234,17 +221,14 @@ uint32_t ulReceivedValue;
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. */
* 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. */
* is it an expected value? This is the only task that uses stdout so its
* ok to call printf() directly. Do not call printf from any other task. */
if( ulReceivedValue == mainVALUE_SENT_FROM_TASK )
{
printf( "Message received from task\r\n" );
@ -262,4 +246,3 @@ uint32_t ulReceivedValue;
}
}
/*-----------------------------------------------------------*/

492
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main_full.c
Unescape Escape View File

@ -1,6 +1,6 @@
/*
* FreeRTOS Kernel V10.1.1
* Copyright (C) 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
* 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
@ -25,8 +25,13 @@
* 1 tab == 4 spaces!
*/
/*
* main() creates all the demo application tasks, then starts the scheduler.
/******************************************************************************
* NOTE: 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_full() 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.
@ -34,13 +39,21 @@
* 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.
* "Register tests":
* prvRegTest1Task and prvRegTest2Task implement register tests. These functions
* are just entry points and actual tests are written in the assembler file
* regtest_xtensa.S. These tests populate core registers with a known set of
* values and keep verifying them in a loop. Any corruption will indicate an
* error in context switching mechanism.
*
* "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 "No errors", the current simulated tick time, free heap
* size and the minimum free heap size so far. If an error is discovered in the
* execution of a task then the check task will print out an appropriate error
* message.
*/
@ -67,7 +80,6 @@
#include "TimerDemo.h"
#include "countsem.h"
#include "death.h"
#include "dynamic.h"
#include "QueueSet.h"
#include "QueueOverwrite.h"
#include "EventGroupsDemo.h"
@ -81,7 +93,9 @@
#include "StreamBufferDemo.h"
#include "StreamBufferInterrupt.h"
/* Priorities at which the tasks are created. */
/**
* 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 )
@ -93,18 +107,74 @@
#define mainFLOP_TASK_PRIORITY ( tskIDLE_PRIORITY )
#define mainQUEUE_OVERWRITE_PRIORITY ( tskIDLE_PRIORITY )
/**
* Period used in timer tests.
*/
#define mainTIMER_TEST_PERIOD ( 50 )
/* The task that periodically checks that all the standard demo tasks are
/**
* 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 )
/**
* Determines whether to enable interrupt queue tests.
*
* Interrupt queue tests are used to test interrupt nesting and enabling them
* interferes with proper functioning of other tests. This macro controls
* whether to enable interrupt queue tests or all other tests:
*
* * When mainENABLE_INT_QUEUE_TESTS is set to 1, interrupt queue tests are
* enabled and every other test is disabled.
* * When mainENABLE_INT_QUEUE_TESTS is set to 0, interrupt queue tests are
* disabled and every other test is enabled.
*/
#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 that implement register tests.
*
* These are implemented in assembler file regtest_xtensa.S.
*/
extern void vRegTest1( void );
extern void vRegTest2( void );
/*-----------------------------------------------------------*/
/* The variable into which error messages are latched. */
/**
* 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 )
@ -112,51 +182,63 @@ 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 );
/* 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();
vStartDynamicPriorityTasks();
vStartQueueSetTasks();
vStartQueueOverwriteTask( mainQUEUE_OVERWRITE_PRIORITY );
vStartEventGroupTasks();
vStartInterruptSemaphoreTasks();
vStartQueueSetPollingTask();
vCreateBlockTimeTasks();
vCreateAbortDelayTasks();
vStartMessageBufferTasks( configMINIMAL_STACK_SIZE );
vStartStreamBufferTasks();
vStartStreamBufferInterruptDemo();
#if( configUSE_PREEMPTION != 0 )
#if( mainENABLE_INT_QUEUE_TESTS == 0 )
{
/* Don't expect these tasks to pass when preemption is not used. */
vStartTimerDemoTask( mainTIMER_TEST_PERIOD );
}
#endif
/* 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 );
/* 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 );
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. */
* the idle and other system tasks. */
return 0;
}
/*-----------------------------------------------------------*/
@ -165,6 +247,7 @@ 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;
@ -177,108 +260,127 @@ const TickType_t xCycleFrequency = pdMS_TO_TICKS( 5000UL );
/* Place this task in the blocked state until it is time to run again. */
vTaskDelayUntil( &xNextWakeTime, xCycleFrequency );
/* Check the standard demo tasks are running without error. */
#if( configUSE_PREEMPTION != 0 )
#if( mainENABLE_INT_QUEUE_TESTS == 0 )
{
/* These tasks are only created when preemption is used. */
if( xAreTimerDemoTasksStillRunning( xCycleFrequency ) != pdTRUE )
/* Check the standard demo tasks are running without error. */
#if( configUSE_PREEMPTION != 0 )
{
pcStatusMessage = "Error: TimerDemo";
/* These tasks are only created when preemption is used. */
if( xAreTimerDemoTasksStillRunning( xCycleFrequency ) != pdTRUE )
{
pcStatusMessage = "Error: TimerDemo";
}
}
}
#endif
#endif
if( xAreTaskNotificationTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: Notification";
}
else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: IntMath";
}
else if( xAreGenericQueueTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: GenQueue";
}
else if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: BlockQueue";
}
else if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: SemTest";
}
else if( xArePollingQueuesStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: PollQueue";
}
else if( xAreQueuePeekTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: QueuePeek";
}
else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: RecMutex";
}
else if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: CountSem";
}
else if( xAreDynamicPriorityTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Dynamic";
}
else if( xAreQueueSetTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Queue set";
}
else if( xAreEventGroupTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: EventGroup";
}
else if( xIsQueueOverwriteTaskStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Queue overwrite";
}
else if( xAreQueueSetPollTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Queue set polling";
}
else if( xAreBlockTimeTestTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Block time";
}
else if( xAreMessageBufferTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: MessageBuffer";
}
else if( xAreAbortDelayTestTasksStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Abort delay";
}
else if( xAreStreamBufferTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: StreamBuffer";
}
else if( xIsInterruptStreamBufferDemoStillRunning() != pdPASS )
{
pcStatusMessage = "Error: Stream buffer interrupt";
}
else if( xAreInterruptSemaphoreTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: IntSem";
}
else if( xIsCreateTaskStillRunning() != pdTRUE )
{
pcStatusMessage = "Error: Death";
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 if( xAreMathsTaskStillRunning() != pdPASS )
#else /* mainENABLE_INT_QUEUE_TESTS */
{
pcStatusMessage = "Error: Flop";
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. */
* directly. Do not call printf from any other task. */
printf( "%s - tick count %zu - free heap %zu - min free heap %zu\r\n", pcStatusMessage,
xTaskGetTickCount(),
xPortGetFreeHeapSize(),
@ -292,39 +394,89 @@ void vFullDemoTickHookFunction( void )
{
TaskHandle_t xTimerTask;
/* Call the periodic timer test, which tests the timer API functions that
can be called from an ISR. */
#if( configUSE_PREEMPTION != 0 )
#if( mainENABLE_INT_QUEUE_TESTS == 0 )
{
/* Only created when preemption is used. */
vTimerPeriodicISRTests();
}
#endif
/* 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();
/* Call the periodic queue overwrite from ISR demo. */
vQueueOverwritePeriodicISRDemo();
/* Write to a queue that is in use as part of the queue set demo to
demonstrate using queue sets from an ISR. */
vQueueSetAccessQueueSetFromISR();
vQueueSetPollingInterruptAccess();
/* Exercise event groups from interrupts. */
vPeriodicEventGroupsProcessing();
/* 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
/* Exercise giving mutexes from an interrupt. */
vInterruptSemaphorePeriodicTest();
/* Writes to stream buffer byte by byte to test the stream buffer trigger
* level functionality. */
vPeriodicStreamBufferProcessing();
/* Exercise using task notifications from an interrupt. */
xNotifyTaskFromISR();
/* 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 */
}
/*-----------------------------------------------------------*/
/* Writes to stream buffer byte by byte to test the stream buffer trigger
level functionality. */
vPeriodicStreamBufferProcessing();
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();
}
/* 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();
/* 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 );
}
/*-----------------------------------------------------------*/

38
FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/regtest_xtensa.S
Unescape Escape View File

@ -43,15 +43,15 @@
vRegTest1:
/* Set initial values into the general purpose registers. */
/* a0 = return address, a1 = stack pointer. */
/* 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 */
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 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
@ -74,7 +74,7 @@ vRegTest1:
_RegTest1Loop:
/* Loop checking the values originally loaded into the general purpose
registers remain through the life of the task. */
* registers remain through the life of the task. */
movi a0, 0x11111111
bne a0, a2, _RegTest1Error
movi a0, 0x22222222
@ -105,7 +105,7 @@ _RegTest1Loop:
bne a0, a15, _RegTest1Error
/* Incrememnt the loop counter to prove this task has not gone into the
error null loop. */
* error null loop. */
s32i a2, a1, 20
movi a2, ulRegTest1Counter
l32i a0, a2, 0
@ -127,15 +127,15 @@ _RegTest1Error:
vRegTest2:
/* Set initial values into the general purpose registers. */
/* a0 = return address, a1 = stack pointer. */
/* 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 */
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 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
@ -161,7 +161,7 @@ _ReInit:
_RegTest2Loop:
/* Loop checking the values originally loaded into the general purpose
registers remain through the life of the task. */
* registers remain through the life of the task. */
movi a0, 0x01010101
bne a0, a2, _RegTest1Error
movi a0, 0x02020202
@ -191,9 +191,9 @@ _RegTest2Loop:
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. */
/* 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
@ -201,7 +201,7 @@ _RegTest2Loop:
#endif
/* Increment the loop counter to prove this task has not gone into the
error null loop. */
* error null loop. */
s32i a2, a1, 20
movi a2, ulRegTest2Counter
l32i a0, a2, 0
@ -210,10 +210,8 @@ _RegTest2Loop:
l32i a2, a1, 20
/* Loop again. */
j _ReInit /* See comments above */
/* j _RegTest2Loop */
j _ReInit /* See comments above about not using j _RegTest2Loop. */
_RegTest2Error:
.L2:
j .L2

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