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Added optional inclusion of floating point tasks.

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This commit is contained in:
Richard Barry 2008-05-11 13:19:05 +00:00
parent 45fceb4bdd
commit dc897a35dd
2 changed files with 43 additions and 0 deletions
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11
Demo/PPC405_Xilinx_Virtex4_GCC/RTOSDemo/FreeRTOSConfig.h
View file

@ -74,6 +74,8 @@
#define configUSE_TRACE_FACILITY 0
#define configCHECK_FOR_STACK_OVERFLOW 2
#define configUSE_COUNTING_SEMAPHORES 1
#define configUSE_APPLICATION_TASK_TAG 0
#define configUSE_FPU 0
/* Co-routine definitions. */
@ -96,4 +98,13 @@ to exclude the API function. */
#define configUSE_RECURSIVE_MUTEXES 1
#if configUSE_FPU == 1
/* Include the header that define the traceTASK_SWITCHED_IN() and
traceTASK_SWITCHED_OUT() macros to save and restore the floating
point registers for tasks that have requested this behaviour. */
#include "FPU_Macros.h"
#endif
#endif /* FREERTOS_CONFIG_H */

32
Demo/PPC405_Xilinx_Virtex4_GCC/RTOSDemo/main.c
View file

@ -95,6 +95,8 @@
#include "partest.h"
#include "countsem.h"
#include "recmutex.h"
#include "flop.h"
#include "flop-reg-test.h"
/* Priorities assigned to the demo tasks. */
#define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
@ -176,6 +178,24 @@ int main( void )
vStartCountingSemaphoreTasks();
vStartRecursiveMutexTasks();
#if ( configUSE_FPU == 1 )
{
/* To use floating point:
0) Add the files contained in the RTOSDemo/flop directory to the
build.
1) Your FPGA hardware design needs to add the APU FPU. This should
then also make the compiler options change to include the option
-mfpu=sp_full, but best to check.
2) Set configUSE_FPU to 1 in FreeRTOSConfig.h.
3) Set configUSE_APPLICATION_TASK_TAG to 1 in FreeRTOSConfig.h.
4) Ensure #include "FPU_Macros.h" is contained within
FreeRTOSConfig.h (as per this example). */
vStartMathTasks( mainFLOP_PRIORITY );
vStartFlopRegTests();
}
#endif
/* Create the tasks defined within this file. */
xTaskCreate( prvRegTestTask1, "Regtest1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
xTaskCreate( prvRegTestTask2, "Regtest2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
@ -264,6 +284,18 @@ static unsigned portLONG ulLastRegTest1Counter= 0UL, ulLastRegTest2Counter = 0UL
lReturn = pdFAIL;
}
#if ( configUSE_FPU == 1 )
if( xAreMathsTaskStillRunning() != pdTRUE )
{
lReturn = pdFAIL;
}
if( xAreFlopRegisterTestsStillRunning() != pdTRUE )
{
lReturn = pdFAIL;
}
#endif
/* Have the register test tasks found any errors? */
if( xRegTestStatus != pdPASS )
{