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#include "Types.h"
#include "TimerConfigurator.h"
#include "TimerInterruptConfigurator.h"
void Timer_EnablePeripheralClocks(void)
{
AT91C_BASE_PMC->PMC_PCER = TIMER0_CLOCK_ENABLE | PIOB_CLOCK_ENABLE;
}
void Timer_Reset(void)
{
uint32 dummy;
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
AT91C_BASE_TC0->TC_IDR = 0xffffffff;
dummy = AT91C_BASE_TC0->TC_SR;
dummy = dummy;
}
void Timer_ConfigureMode(void)
{
AT91C_BASE_TC0->TC_CMR = 0x000CC004; // ACPC=toggle TIOA on RC compare; mode=WAVE; WAVE_SEL=UP w/auto-trigger on RC compare; clock=MCK/1024
}
void Timer_ConfigurePeriod(void)
{
AT91C_BASE_TC0->TC_RC = 469; // 10ms period for timer clock source of MCK/1024 with MCK=48054857
}
void Timer_EnableOutputPin(void)
{
AT91C_BASE_PIOB->PIO_PDR = TIOA0_PIN_MASK;
}
void Timer_Enable(void)
{
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKEN;
}
void Timer_ConfigureInterruptHandler(void)
{
Timer_DisableInterrupt();
Timer_ResetSystemTime();
Timer_ConfigureInterrupt();
Timer_EnableInterrupt();
}
void Timer_Start(void)
{
AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
}
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