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RL78/IAR port - Allow the end user to define their own tick interrupt configuration by defining configSETUP_TIMER_INTERRUPT().

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This commit is contained in:
Richard Barry 2013-03-25 17:00:13 +00:00
parent a9b8f0ca69
commit 3762630f27
1 changed files with 19 additions and 6 deletions
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25
FreeRTOS/Source/portable/IAR/RL78/port.c
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@ -111,9 +111,17 @@ volatile unsigned short usCriticalNesting = portINITIAL_CRITICAL_NESTING;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* /*
* Sets up the periodic ISR used for the RTOS tick. * Sets up the periodic ISR used for the RTOS tick using the interval timer.
* The application writer can define configSETUP_TIMER_INTERRUPT() (in
* FreeRTOSConfig.h) such that their own tick interrupt configuration is used
* in place of prvSetupTimerInterrupt().
*/ */
static void prvSetupTimerInterrupt( void ); static void prvSetupTimerInterrupt( void );
#ifndef configSETUP_TIMER_INTERRUPT
/* The user has not provided their own tick interrupt configuration so use
the definition in this file (which uses the interval timer). */
#define configSETUP_TIMER_INTERRUPT() prvSetupTimerInterrupt()
#endif /* configSETUP_TIMER_INTERRUPT */
/* /*
* Defined in portasm.s87, this function starts the scheduler by loading the * Defined in portasm.s87, this function starts the scheduler by loading the
@ -200,7 +208,7 @@ unsigned long *pulLocal;
first starts. */ first starts. */
*pxTopOfStack = ( portSTACK_TYPE ) portNO_CRITICAL_SECTION_NESTING; *pxTopOfStack = ( portSTACK_TYPE ) portNO_CRITICAL_SECTION_NESTING;
/* Return a pointer to the top of the stack that has beene generated so it /* Return a pointer to the top of the stack that has been generated so it
can be stored in the task control block for the task. */ can be stored in the task control block for the task. */
return pxTopOfStack; return pxTopOfStack;
} }
@ -210,20 +218,25 @@ portBASE_TYPE xPortStartScheduler( void )
{ {
/* Setup the hardware to generate the tick. Interrupts are disabled when /* Setup the hardware to generate the tick. Interrupts are disabled when
this function is called. */ this function is called. */
prvSetupTimerInterrupt(); configSETUP_TIMER_INTERRUPT();
/* Restore the context of the first task that is going to run. */ /* Restore the context of the first task that is going to run. */
vPortStartFirstTask(); vPortStartFirstTask();
/* Execution should not reach here as the tasks are now running! */ /* Execution should not reach here as the tasks are now running!
prvSetupTimerInterrupt() is called here to prevent the compiler outputting
a warning about a statically declared function not being referenced in the
case that the application writer has provided their own tick interrupt
configuration routine (and defined configSETUP_TIMER_INTERRUPT() such that
their own routine will be called in place of prvSetupTimerInterrupt()). */
prvSetupTimerInterrupt();
return pdTRUE; return pdTRUE;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
void vPortEndScheduler( void ) void vPortEndScheduler( void )
{ {
/* It is unlikely that the RL78/G13 port will get stopped. If required simply /* It is unlikely that the RL78 port will get stopped. */
disable the tick interrupt here. */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/