/*************************************************************************//**
*****************************************************************************/
void HAL_TimerInit(void)
{
halTimerIrqCount = 0;
PM->APBCMASK.reg |= PM_APBCMASK_TC4;
GCLK->CLKCTRL.reg = GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_ID(0x15/*TC4,TC5*/) | GCLK_CLKCTRL_GEN(0);
SYSTIMER.CTRLA.reg = TC_CTRLA_MODE(TC_CTRLA_MODE_COUNT16_Val)
| TC_CTRLA_WAVEGEN(TC_CTRLA_WAVEGEN_MFRQ_Val)
| TC_CTRLA_PRESCALER(3 /*DIV8*/)
| TC_CTRLA_PRESCSYNC(TC_CTRLA_PRESCSYNC_PRESC_Val);
halTimerSync();
SYSTIMER.COUNT.reg = 0;
halTimerSync();
SYSTIMER.CC[0].reg = TIMER_TOP;
halTimerSync();
SYSTIMER.CTRLA.reg = TC_CTRLA_ENABLE;
halTimerSync();
SYSTIMER.INTENSET.reg = TC_INTENSET_MC(0);
NVIC_EnableIRQ(TC4_IRQn);
}
/*************************************************************************//**
*****************************************************************************/
void HAL_TimerDelay(uint16_t us)
{
uint16_t target = TC4_16_COUNT + us;
if (target > TIMER_TOP)
target -= TIMER_TOP;
TC4_16_CC1 = target;
halTimerSync();
halTimerDelayInt = 0;
TC4_16_INTENSET = TC4_16_INTENSET_MC1;
while (0 == halTimerDelayInt);
TC4_16_INTENCLR = TC4_16_INTENCLR_MC1;
}
/*************************************************************************//**
*****************************************************************************/
void HAL_TimerInit(void)
{
halTimerIrqCount = 0;
PM_APBCMASK |= PM_APBCMASK_TC4;
GCLK_CLKCTRL = GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_ID(0x15/*TC4,TC5*/) | GCLK_CLKCTRL_GEN(0);
TC4_16_CTRLA = TC4_16_CTRLA_MODE(0/*16 bit*/) | TC4_16_CTRLA_WAVEGEN(1/*MFRQ*/) |
TC4_16_CTRLA_PRESCALER(3/*DIV8*/) | TC4_16_CTRLA_PRESCSYNC(0x1/*PRESC*/);
halTimerSync();
TC4_16_COUNT = 0;
halTimerSync();
TC4_16_CC0 = TIMER_TOP;
halTimerSync();
TC4_16_CTRLA |= TC4_16_CTRLA_ENABLE;
halTimerSync();
TC4_16_INTENSET = TC4_16_INTENSET_MC0;
NVIC_ISER = NVIC_ISER_TC4;
}
/*************************************************************************//**
*****************************************************************************/
void HAL_TimerDelay(uint16_t us)
{
uint16_t target = SYSTIMER.COUNT.reg + us;
if(target > TIMER_TOP)
target -= TIMER_TOP;
SYSTIMER.CC[1].reg = target;
halTimerSync();
halTimerDelayInt = 0;
SYSTIMER.INTENSET.reg = TC_INTENSET_MC(1);
while(0 == halTimerDelayInt);
SYSTIMER.INTENCLR.reg = TC_INTENCLR_MC(1);
}
