48 lines
1 KiB
C
48 lines
1 KiB
C
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#include <AT91SAM7S64.h>
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#include <contiki-conf.h>
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#include <sys/process.h>
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#include <net/uip.h>
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#include <dev/cc2420.h>
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#include <interrupt-utils.h>
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static void NACKEDFUNC
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cc2420_fifop_interrupt (void) /* System Interrupt Handler */
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{
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ISR_STORE();
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ISR_ENABLE_NEST();
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__cc2420_intr();
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ISR_DISABLE_NEST();
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*AT91C_AIC_EOICR = 0; /* End of Interrupt */
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ISR_RESTORE();
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}
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void
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cc2420_interrupt_fifop_int_init(void)
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{
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*AT91C_PIOA_ASR = AT91C_PA30_IRQ1;
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*AT91C_PIOA_PDR = AT91C_PA30_IRQ1;
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AT91C_AIC_SMR[AT91C_ID_IRQ1] = AT91C_AIC_SRCTYPE_POSITIVE_EDGE | 4;
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AT91C_AIC_SVR[AT91C_ID_IRQ1] = (unsigned long)cc2420_fifop_interrupt;
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/* *AT91C_AIC_IECR = (1 << AT91C_ID_IRQ1); */
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}
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inline int splhigh(void)
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{
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int save;
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#ifndef __THUMBEL__
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asm("mrs %0, CPSR\n\torr r1,%0,#0x80\n\tmsr CPSR_c, r1" : "=r" (save)::"r1");
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#else
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#error Must be compiled in ARM mode
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#endif
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return save;
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}
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inline void splx(int saved)
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{
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#ifndef __THUMBELL__
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asm("msr CPSR_c, %0" ::"r" (saved));
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#else
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#error Must be compiled in ARM mode
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#endif
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}
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