interrupt_gcc.c

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/*This file has been prepared for Doxygen automatic documentation generation.*/
#ifdef __GNUC__

#include "interrupt_gcc.h"

char * stringINT;
int stringSizeINT;
volatile avr32_usart_t * usart0;

__int_handler * pdc_interrupt_handler()
{
        pdc_setTxNextBuf( (void *) usart0,
                        pdc_translatePtr( stringINT ), stringSizeINT );

        return (void *) AVR32_RAR_INT2;
}


void start_interrupts()
{
        stringINT = "INT: AVR32 PDC application demo\r\n";
        stringSizeINT = 33;
        usart0 = (volatile avr32_usart_t *) AVR32_USART0_ADDRESS;

        set_interrupts_base( (void *) AVR32_INTC_ADDRESS );

        /* register_interrupt( (__int_handler) INT_HANDLER_FUNC,
                        GROUP,
                        LINE,
                        PRIORITY); */
        register_interrupt( (__int_handler) pdc_interrupt_handler,
                        AVR32_USART0_IRQ / 32,
                        AVR32_USART0_IRQ % 32,
                        INT2 );

        /* Turn on interrupts from USART0 (IER.endrx) */
        usart0->ier = (1<<AVR32_USART_IER_ENDRX_OFFSET);

        __asm__( "csrf 0 \n" );

        /* PDC, full boobies */
        pdc_setTxBuf( (void *) usart0,
                        pdc_translatePtr( stringINT ), stringSizeINT,
                        pdc_translatePtr( stringINT ), stringSizeINT );
}


void stop_interrupts()
{
}

#endif /* #ifdef __GNUC__ */

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