/*********************************************************************//**
* @brief Initial Timer/Counter device
* Set Clock frequency for Timer
* Set initial configuration for Timer
* @param[in] TIMx Timer selection, should be:
* - LPC_TIM0 :TIMER0 peripheral
* - LPC_TIM1 :TIMER1 peripheral
* - LPC_TIM2 :TIMER2 peripheral
* - LPC_TIM3 :TIMER3 peripheral
* @param[in] TimerCounterMode Timer counter mode, should be:
* - TIM_TIMER_MODE :Timer mode
* - TIM_COUNTER_RISING_MODE :Counter rising mode
* - TIM_COUNTER_FALLING_MODE :Counter falling mode
* - TIM_COUNTER_ANY_MODE :Counter on both edges
* @param[in] TIM_ConfigStruct pointer to TIM_TIMERCFG_Type
* that contains the configuration information for the
* specified Timer peripheral.
* @return None
**********************************************************************/
void TIM_Init(LPC_TIMERn_Type *TIMx, TIM_MODE_OPT TimerCounterMode, void *TIM_ConfigStruct)
{
TIM_TIMERCFG_Type *pTimeCfg;
TIM_COUNTERCFG_Type *pCounterCfg;
CHECK_PARAM(PARAM_TIMx(TIMx));
CHECK_PARAM(PARAM_TIM_MODE_OPT(TimerCounterMode));
//set power
if (TIMx== LPC_TIMER0)
{
}
else if (TIMx== LPC_TIMER1)
{
}
else if (TIMx== LPC_TIMER2)
{
}
else if (TIMx== LPC_TIMER3)
{
}
TIMx->CCR &= ~TIM_CTCR_MODE_MASK;
TIMx->CCR |= TIM_TIMER_MODE;
TIMx->TC =0;
TIMx->PC =0;
TIMx->PR =0;
TIMx->TCR |= (1<<1); //Reset Counter
TIMx->TCR &= ~(1<<1); //release reset
if (TimerCounterMode == TIM_TIMER_MODE )
{
pTimeCfg = (TIM_TIMERCFG_Type *)TIM_ConfigStruct;
if (pTimeCfg->PrescaleOption == TIM_PRESCALE_TICKVAL)
{
TIMx->PR = pTimeCfg->PrescaleValue -1 ;
}
else
{
TIMx->PR = converUSecToVal (converPtrToTimeNum(TIMx),pTimeCfg->PrescaleValue)-1;
}
}
else
{
pCounterCfg = (TIM_COUNTERCFG_Type *)TIM_ConfigStruct;
TIMx->CCR &= ~TIM_CTCR_INPUT_MASK;
if (pCounterCfg->CountInputSelect == TIM_COUNTER_INCAP1)
TIMx->CCR |= _BIT(2);
}
// Clear interrupt pending
TIMx->IR = 0xFFFFFFFF;
}
/*********************************************************************//**
* @brief Initial Timer/Counter device
* Set Clock frequency for Timer
* Set initial configuration for Timer
* @param[in] TIMx Timer selection, should be:
* - LPC_TIM0: TIMER0 peripheral
* - LPC_TIM1: TIMER1 peripheral
* - LPC_TIM2: TIMER2 peripheral
* - LPC_TIM3: TIMER3 peripheral
* @param[in] TimerCounterMode Timer counter mode, should be:
* - TIM_TIMER_MODE: Timer mode
* - TIM_COUNTER_RISING_MODE: Counter rising mode
* - TIM_COUNTER_FALLING_MODE: Counter falling mode
* - TIM_COUNTER_ANY_MODE:Counter on both edges
* @param[in] TIM_ConfigStruct pointer to TIM_TIMERCFG_Type
* that contains the configuration information for the
* specified Timer peripheral.
* @return None
**********************************************************************/
void TIM_Init(LPC_TIM_TypeDef *TIMx, TIM_MODE_OPT TimerCounterMode, void *TIM_ConfigStruct)
{
TIM_TIMERCFG_Type *pTimeCfg;
TIM_COUNTERCFG_Type *pCounterCfg;
//set power
if (TIMx== LPC_TIM0)
{
CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM0, ENABLE);
}
else if (TIMx== LPC_TIM1)
{
CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM1, ENABLE);
}
else if (TIMx== LPC_TIM2)
{
CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, ENABLE);
}
else if (TIMx== LPC_TIM3)
{
CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM3, ENABLE);
}
TIMx->CTCR &= ~TIM_CTCR_MODE_MASK;
TIMx->CTCR |= TIM_TIMER_MODE;
TIMx->TC =0;
TIMx->PC =0;
TIMx->PR =0;
TIMx->TCR |= (1<<1); //Reset Counter
TIMx->TCR &= ~(1<<1); //release reset
if (TimerCounterMode == TIM_TIMER_MODE )
{
pTimeCfg = (TIM_TIMERCFG_Type *)TIM_ConfigStruct;
if (pTimeCfg->PrescaleOption == TIM_PRESCALE_TICKVAL)
{
TIMx->PR = pTimeCfg->PrescaleValue -1 ;
}
else
{
TIMx->PR = converUSecToVal (converPtrToTimeNum(TIMx),pTimeCfg->PrescaleValue)-1;
}
}
else
{
pCounterCfg = (TIM_COUNTERCFG_Type *)TIM_ConfigStruct;
TIMx->CTCR &= ~TIM_CTCR_INPUT_MASK;
if (pCounterCfg->CountInputSelect == TIM_COUNTER_INCAP1)
TIMx->CCR |= _BIT(2);
}
// Clear interrupt pending
TIMx->IR = 0xFFFFFFFF;
}
