FreeRTOS-Kernel/Demo/ColdFire_MCF5282_Eclipse/RTOSDemo/IntQueueTimer.c

/*
	FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 Richard Barry.

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*/

#include "FreeRTOS.h"
#include "IntQueueTimer.h"
#include "IntQueue.h"

#define timerINTERRUPT1_FREQUENCY	( 2000UL )
#define timerINTERRUPT2_FREQUENCY	( 2001UL )
#define timerPRESCALE_VALUE			( 2 )

void vInitialiseTimerForIntQueueTest( void )
{
const unsigned portSHORT usCompareMatchValue1 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT1_FREQUENCY );
const unsigned portSHORT usCompareMatchValue2 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT2_FREQUENCY );

	/* Configure interrupt priority and level and unmask interrupt. */
	MCF_INTC0_ICR56 = ( ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 ) << 3 );
	MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK56 );

	MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF;
	MCF_PIT1_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN );
	MCF_PIT1_PMR = usCompareMatchValue1;

	MCF_INTC0_ICR57 = ( configMAX_SYSCALL_INTERRUPT_PRIORITY << 3 );
	MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK57 );

	MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF;
	MCF_PIT2_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN );
	MCF_PIT2_PMR = usCompareMatchValue2;
}
/*-----------------------------------------------------------*/

void __attribute__ ((interrupt)) __cs3_isr_interrupt_120( void )
{
	MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF;
	portEND_SWITCHING_ISR( xFirstTimerHandler() );
}
/*-----------------------------------------------------------*/

void __attribute__ ((interrupt)) __cs3_isr_interrupt_121( void )
{
	MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF;
	portEND_SWITCHING_ISR( xSecondTimerHandler() );
}