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Change default vector number to 16.

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This commit is contained in:
Richard Barry 2008-09-22 13:11:32 +00:00
parent aa7485ab0f
commit 9d1ab2c90b
2 changed files with 9 additions and 8 deletions
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2
Demo/ColdFire_MCF5282_Eclipse/RTOSDemo/FreeRTOSConfig.h
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@ -97,7 +97,7 @@ to exclude the API function. */
#define INCLUDE_vTaskDelay 1
#define INCLUDE_uxTaskGetStackHighWaterMark 1
#define configYIELD_INTERRUPT_VECTOR 63UL
#define configYIELD_INTERRUPT_VECTOR 16UL
#define configKERNEL_INTERRUPT_PRIORITY 1
#define configMAX_SYSCALL_INTERRUPT_PRIORITY 4

15
Demo/ColdFire_MCF5282_Eclipse/RTOSDemo/FreeRTOS_Tick_Setup.c
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@ -59,7 +59,7 @@
/*
* FreeRTOS.org requires two interrupts - a tick interrupt generated from a
* timer source, and a spare interrupt vector used for context switching.
* The configuration below uses PIT0 for the former, and vector 63 for the
* The configuration below uses PIT0 for the former, and vector 16 for the
* latter. **IF YOUR APPLICATION HAS BOTH OF THESE INTERRUPTS FREE THEN YOU DO
* NOT NEED TO CHANGE ANY OF THIS CODE** - otherwise instructions are provided
* here for using alternative interrupt sources.
@ -82,14 +82,15 @@
* 1) Modify vApplicationSetupInterrupts() below to be correct for whichever
* interrupt vector is to be used. Make sure you use a spare interrupt on interrupt
* controller 0, otherwise the register used to request context switches will also
* require modification.
* require modification. By default vector 16 is used which is free on most MCF52xxx
* devices.
*
* 2) Change the definition of configYIELD_INTERRUPT_VECTOR within FreeRTOSConfig.h
* to be correct for your chosen interrupt vector.
*
* 3) Change the name of the function __cs3_isr_interrupt_127() within portasm.S
* 3) Change the name of the function __cs3_isr_interrupt_80() within portasm.S
* to be correct for whichever vector number is being used. By default interrupt
* controller 0 number 63 is used, which corresponds to vector number 127.
* controller 0 vector number 16 is used, which corresponds to vector number 80.
*/
void vApplicationSetupInterrupts( void )
{
@ -99,11 +100,11 @@ const unsigned portSHORT usCompareMatchValue = ( ( configCPU_CLOCK_HZ / portPRES
MCF_INTC0_ICR55 = ( 1 | ( configKERNEL_INTERRUPT_PRIORITY << 3 ) );
MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK55 );
/* Do the same for vector 63 (interrupt controller 0. I don't think the
/* Do the same for vector 16 (interrupt controller 0). I don't think the
write to MCF_INTC0_IMRH is actually required here but is included for
completeness. */
MCF_INTC0_ICR63 = ( 0 | ( configKERNEL_INTERRUPT_PRIORITY << 3 ) );
MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK63 );
MCF_INTC0_ICR16 = ( 0 | ( configKERNEL_INTERRUPT_PRIORITY << 3 ) );
MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK16 );
/* Configure PIT0 to generate the RTOS tick. */
MCF_PIT0_PCSR |= MCF_PIT_PCSR_PIF;