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RIOT/cpu/msp430-common/irq.c

29 lines
489 B
C

#include <irq.h>
#ifdef CC430
#include <cc430f6137.h>
#else
#include <msp430x16x.h>
#endif
#include <cpu.h>
unsigned int disableIRQ() {
unsigned int state;
__asm__("mov.w r2,%0" : "=r" (state));
state &= GIE;
if (state) dINT();
return state;
}
unsigned int enableIRQ() {
unsigned int state;
__asm__("mov.w r2,%0" : "=r" (state));
state &= GIE;
if (!state) eINT();
return state;
}
void restoreIRQ(unsigned int state) {
if (state) eINT();
}