mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-19 03:05:14 +00:00
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
#include <AT91SAM7S64.h>
|
|
#include <contiki-conf.h>
|
|
#include <sys/process.h>
|
|
#include <net/uip.h>
|
|
#include <dev/cc2420.h>
|
|
#include <interrupt-utils.h>
|
|
|
|
static void NACKEDFUNC
|
|
cc2420_fifop_interrupt (void) /* System Interrupt Handler */
|
|
{
|
|
ISR_STORE();
|
|
ISR_ENABLE_NEST();
|
|
__cc2420_intr();
|
|
ISR_DISABLE_NEST();
|
|
*AT91C_AIC_EOICR = 0; /* End of Interrupt */
|
|
ISR_RESTORE();
|
|
}
|
|
|
|
void
|
|
cc2420_interrupt_fifop_int_init(void)
|
|
{
|
|
*AT91C_PIOA_ASR = AT91C_PA30_IRQ1;
|
|
*AT91C_PIOA_PDR = AT91C_PA30_IRQ1;
|
|
AT91C_AIC_SMR[AT91C_ID_IRQ1] = AT91C_AIC_SRCTYPE_POSITIVE_EDGE | 4;
|
|
AT91C_AIC_SVR[AT91C_ID_IRQ1] = (unsigned long)cc2420_fifop_interrupt;
|
|
/* *AT91C_AIC_IECR = (1 << AT91C_ID_IRQ1); */
|
|
}
|
|
|
|
inline int splhigh(void)
|
|
{
|
|
int save;
|
|
#ifndef __THUMBEL__
|
|
asm("mrs %0, CPSR\n\torr r1,%0,#0x80\n\tmsr CPSR_c, r1" : "=r" (save)::"r1");
|
|
#else
|
|
#error Must be compiled in ARM mode
|
|
#endif
|
|
return save;
|
|
}
|
|
|
|
inline void splx(int saved)
|
|
{
|
|
#ifndef __THUMBELL__
|
|
asm("msr CPSR_c, %0" ::"r" (saved));
|
|
#else
|
|
#error Must be compiled in ARM mode
|
|
#endif
|
|
}
|