21 lines
606 B
C
21 lines
606 B
C
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#include "embedded_types.h"
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#include "interrupt-utils.h"
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#include "isr.h"
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#define reg32(x) (*(volatile uint32_t *)(x))
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__attribute__ ((interrupt("IRQ")))
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void isr(void)
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{
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// ISR_ENTRY();
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/* check for TMR0 interrupt */
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// tmr_isr(); // led turns off if I have this, indicating that the isr does jump to tmr_isr
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// if(reg32(INTSRC) & (1<<5)) { tmr_isr(); }
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// asm("SUBS PC,R14_IRQ,#4")
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// enableIRQ(); // I think this is necessary, but the LED never turns off when I have this
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// ISR_EXIT(); // behavior doesn't change if I have this or not.
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/* putting anything in here breaks the other code :( */
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}
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