46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#include "FreeRTOS.h"
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#include "semphr.h"
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#include "task.h"
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/* The interrupt entry point. */
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void vEMAC_ISR_Wrapper( void ) __attribute__((naked));
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/* The handler that does the actual work. */
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void vEMAC_ISR_Handler( void ) __attribute__((noinline));
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extern xSemaphoreHandle xEMACSemaphore;
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void vEMAC_ISR_Handler( void )
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{
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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/* Clear the interrupt. */
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MAC_INTCLEAR = 0xffff;
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VICVectAddr = 0;
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/* Ensure the uIP task is not blocked as data has arrived. */
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xSemaphoreGiveFromISR( xEMACSemaphore, &xHigherPriorityTaskWoken );
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if( xHigherPriorityTaskWoken )
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{
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/* Giving the semaphore woke a task. */
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portYIELD_FROM_ISR();
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}
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}
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/*-----------------------------------------------------------*/
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void vEMAC_ISR_Wrapper( void )
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{
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/* Save the context of the interrupted task. */
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portSAVE_CONTEXT();
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/* Call the handler. This must be a separate function unless you can
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guarantee that no stack will be used. */
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__asm volatile ( "bl vEMAC_ISR_Handler" );
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/* Restore the context of whichever task is going to run next. */
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portRESTORE_CONTEXT();
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}
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