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23 lines
557 B
C
23 lines
557 B
C
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volatile unsigned int pit_count = 0;
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static void NACKEDFUNC ATTR system_int (void) { /* System Interrupt Handler */
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ISR_ENTRY();
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if (*AT91C_PITC_PISR & AT91C_PITC_PITS) { /* Check PIT Interrupt */
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pit_count++;
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/*
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if ((pit_count % 100) == 0) {
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unsigned int led_state = (pit_count % 300) / 100;
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*AT91C_PIOA_ODSR = ~(1<<led_state);
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}
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*/
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*AT91C_AIC_EOICR = *AT91C_PITC_PIVR; /* Ack & End of Interrupt */
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} else {
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*AT91C_AIC_EOICR = 0; /* End of Interrupt */
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}
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ISR_EXIT();
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}
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