int main()
{
// Configure IO pins with default mode and selector
TIMER_ISR::Init();
TIMER_TO_PROC1::Init();
PROC1::Init();
PROC2::Init();
PROC3::Init();
TIMER_HOOK::Init();
IDLE_HOOK::Init();
// Setup timer for TimerEvent generation
// Timer 1, 25 MHz timer clock.
// Interrupt rate slightly higher than 200 Hz for better scope view
LPC_SC->PCONP |= CLKPWR_PCONP_PCTIM1;
LPC_SC->PCLKSEL0 = (LPC_SC->PCLKSEL0 & ~(0x03 << CLKPWR_PCLKSEL_TIMER1))
| (CLKPWR_PCLKSEL_CCLK_DIV_4 << CLKPWR_PCLKSEL_TIMER1);
LPC_TIM1->CTCR = 0;
LPC_TIM1->PR = 0;
LPC_TIM1->PC = 0;
LPC_TIM1->TC = 0;
LPC_TIM1->MR0 = SYSTICKFREQ / 4 / 200.4 - 1;
LPC_TIM1->MCR = TIM_RESET_ON_MATCH(0) | TIM_INT_ON_MATCH(0);
LPC_TIM1->EMR = TIM_EM_SET(0, TIM_EM_TOGGLE);
LPC_TIM1->TCR = (1 << 0);
NVIC->IP[ TIMER1_IRQn ] = 0x80; // Middle priority
NVIC->ISER[0] = (1 << TIMER1_IRQn);
// run
OS::run();
}
/*********************************************************************//**
* @brief Configuration for Match register
* @param[in] TIMx Pointer to timer device
* @param[in] TIM_MatchConfigStruct Pointer to TIM_MATCHCFG_Type
* - MatchChannel : choose channel 0 or 1
* - IntOnMatch : if SET, interrupt will be generated when MRxx match
* the value in TC
* - StopOnMatch : if SET, TC and PC will be stopped whenM Rxx match
* the value in TC
* - ResetOnMatch : if SET, Reset on MR0 when MRxx match
* the value in TC
* -ExtMatchOutputType: Select output for external match
* + 0: Do nothing for external output pin if match
* + 1: Force external output pin to low if match
* + 2: Force external output pin to high if match
* + 3: Toggle external output pin if match
* MatchValue: Set the value to be compared with TC value
* @return None
**********************************************************************/
void TIM_ConfigMatch(TIM_TypeDef *TIMx, TIM_MATCHCFG_Type *TIM_MatchConfigStruct)
{
CHECK_PARAM(PARAM_TIMx(TIMx));
CHECK_PARAM(PARAM_TIM_EXTMATCH_OPT(TIM_MatchConfigStruct->ExtMatchOutputType));
uint32_t timer = TIM_ConverPtrToTimeNum(TIMx) ;
// TIMx->MR[TIM_MatchConfigStruct->MatchChannel] = TIM_MatchConfigStruct->MatchValue;
switch(TIM_MatchConfigStruct->MatchChannel)
{
case 0:
TIMx->MR0 = TIM_MatchConfigStruct->MatchValue;
break;
case 1:
TIMx->MR1 = TIM_MatchConfigStruct->MatchValue;
break;
}
//interrupt on MRn
TIMx->MCR &=~TIM_MCR_CHANNEL_MASKBIT(TIM_MatchConfigStruct->MatchChannel);
if (TIM_MatchConfigStruct->IntOnMatch)
TIMx->MCR |= TIM_INT_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
//reset on MRn
if (TIM_MatchConfigStruct->ResetOnMatch)
TIMx->MCR |= TIM_RESET_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
//stop on MRn
if (TIM_MatchConfigStruct->StopOnMatch)
TIMx->MCR |= TIM_STOP_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
// match output type
TIMx->EMR &= ~TIM_EM_MASK(TIM_MatchConfigStruct->MatchChannel);
TIMx->EMR = TIM_EM_SET(TIM_MatchConfigStruct->MatchChannel,TIM_MatchConfigStruct->ExtMatchOutputType);
//pin output configuration
if (TIM_MatchConfigStruct->ExtMatchOutputType >0)
{
if ((timer <2)&& (TIM_MatchConfigStruct->MatchChannel < 2))
{
PINSEL_ConfigPin((PINSEL_CFG_Type *)&timer_match_pin[2*timer +TIM_MatchConfigStruct->MatchChannel]);
}
if ((timer ==2))
{
PINSEL_ConfigPin( (PINSEL_CFG_Type *)&timer_match_pin[2*timer + TIM_MatchConfigStruct->MatchChannel]);
}
if ((timer ==3)&&(TIM_MatchConfigStruct->MatchChannel < 2))
{
PINSEL_ConfigPin( (PINSEL_CFG_Type *)&timer_match_pin[4*timer + TIM_MatchConfigStruct->MatchChannel]);
}
}
}
/*********************************************************************//**
* @brief Configuration for Match register
* @param[in] TIMx Pointer to timer device, should be:
* - LPC_TIM0: TIMER0 peripheral
* - LPC_TIM1: TIMER1 peripheral
* - LPC_TIM2: TIMER2 peripheral
* - LPC_TIM3: TIMER3 peripheral
* @param[in] TIM_MatchConfigStruct Pointer to TIM_MATCHCFG_Type
* - MatchChannel : choose channel 0 or 1
* - IntOnMatch : if SET, interrupt will be generated when MRxx match
* the value in TC
* - StopOnMatch : if SET, TC and PC will be stopped whenM Rxx match
* the value in TC
* - ResetOnMatch : if SET, Reset on MR0 when MRxx match
* the value in TC
* -ExtMatchOutputType: Select output for external match
* + 0: Do nothing for external output pin if match
* + 1: Force external output pin to low if match
* + 2: Force external output pin to high if match
* + 3: Toggle external output pin if match
* MatchValue: Set the value to be compared with TC value
* @return None
**********************************************************************/
void TIM_ConfigMatch(LPC_TIM_TypeDef *TIMx, TIM_MATCHCFG_Type *TIM_MatchConfigStruct)
{
CHECK_PARAM(PARAM_TIMx(TIMx));
CHECK_PARAM(PARAM_TIM_EXTMATCH_OPT(TIM_MatchConfigStruct->ExtMatchOutputType));
switch(TIM_MatchConfigStruct->MatchChannel)
{
case 0:
TIMx->MR0 = TIM_MatchConfigStruct->MatchValue;
break;
case 1:
TIMx->MR1 = TIM_MatchConfigStruct->MatchValue;
break;
case 2:
TIMx->MR2 = TIM_MatchConfigStruct->MatchValue;
break;
case 3:
TIMx->MR3 = TIM_MatchConfigStruct->MatchValue;
break;
default:
//Error match value
//Error loop
while(1);
break;
}
//interrupt on MRn
TIMx->MCR &=~TIM_MCR_CHANNEL_MASKBIT(TIM_MatchConfigStruct->MatchChannel);
if (TIM_MatchConfigStruct->IntOnMatch)
TIMx->MCR |= TIM_INT_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
//reset on MRn
if (TIM_MatchConfigStruct->ResetOnMatch)
TIMx->MCR |= TIM_RESET_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
//stop on MRn
if (TIM_MatchConfigStruct->StopOnMatch)
TIMx->MCR |= TIM_STOP_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
// match output type
TIMx->EMR &= ~TIM_EM_MASK(TIM_MatchConfigStruct->MatchChannel);
TIMx->EMR |= TIM_EM_SET(TIM_MatchConfigStruct->MatchChannel,TIM_MatchConfigStruct->ExtMatchOutputType);
}
/*********************************************************************//**
* @brief Configuration for Match register
* @param[in] TIMx Pointer to timer device
* @param[in] TIM_MatchConfigStruct Pointer to TIM_MATCHCFG_Type
* - MatchChannel : choose channel 0 or 1
* - IntOnMatch : if SET, interrupt will be generated when MRxx match
* the value in TC
* - StopOnMatch : if SET, TC and PC will be stopped whenM Rxx match
* the value in TC
* - ResetOnMatch : if SET, Reset on MR0 when MRxx match
* the value in TC
* -ExtMatchOutputType: Select output for external match
* + 0: Do nothing for external output pin if match
* + 1: Force external output pin to low if match
* + 2: Force external output pin to high if match
* + 3: Toggle external output pin if match
* MatchValue: Set the value to be compared with TC value
* @return None
**********************************************************************/
void TIM_ConfigMatch(LPC_TIM_TypeDef *TIMx, TIM_MATCHCFG_Type *TIM_MatchConfigStruct)
{
uint32_t timer;
CHECK_PARAM(PARAM_TIMx(TIMx));
CHECK_PARAM(PARAM_TIM_EXTMATCH_OPT(TIM_MatchConfigStruct->ExtMatchOutputType));
timer = TIM_ConverPtrToTimeNum(TIMx) ;
switch(TIM_MatchConfigStruct->MatchChannel)
{
case 0:
TIMx->MR0 = TIM_MatchConfigStruct->MatchValue;
break;
case 1:
TIMx->MR1 = TIM_MatchConfigStruct->MatchValue;
break;
}
//interrupt on MRn
TIMx->MCR &=~TIM_MCR_CHANNEL_MASKBIT(TIM_MatchConfigStruct->MatchChannel);
if (TIM_MatchConfigStruct->IntOnMatch)
TIMx->MCR |= TIM_INT_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
//reset on MRn
if (TIM_MatchConfigStruct->ResetOnMatch)
TIMx->MCR |= TIM_RESET_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
//stop on MRn
if (TIM_MatchConfigStruct->StopOnMatch)
TIMx->MCR |= TIM_STOP_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
// TIMx->MCR = 0x02;
// match output type
TIMx->EMR &= ~TIM_EM_MASK(TIM_MatchConfigStruct->MatchChannel);
TIMx->EMR = TIM_EM_SET(TIM_MatchConfigStruct->MatchChannel,TIM_MatchConfigStruct->ExtMatchOutputType);
}
