49 lines
817 B
C++
49 lines
817 B
C++
#include "timer.h"
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#include <cstdint>
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#include "bios.h"
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#include "gpio.h"
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#include "intc.h"
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#include "interrupts.h"
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#include "pol0.h"
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namespace {
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Gpio* leds;
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Timer* timer;
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void Timer0Isr() {
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static int counter = 0;
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leds->data = counter++;
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timer->Pet();
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timer->ClearInterrupt();
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}
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void SetupTimer() {
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timer = Timer::Instance(TIMER0_BASE);
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timer->SetupAsWdt(100'000'000);
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timer->EnableT1();
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intc::SetIsr(TIMER0_IRQN, Timer0Isr);
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intc::SetIrqEnabled(TIMER0_IRQN, true);
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}
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} // namespace
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int main() {
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leds = Gpio::Instance(GPIO0_BASE);
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leds->data = 0xa0;
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SetupTimer();
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intc::EnableInterrupts();
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SetExternalInterruptHandler(intc::InterruptHandler);
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EnableExternalInterrupts();
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EnableInterrupts(true);
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leds->data = 0xa1;
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BiosWozmon();
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}
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