C++ (Cpp) PARAM_RITx示例

示例#1

文件： lpc17xx_rit.c 项目： ARMinARM/elua

/******************************************************************************//*
 * @brief 		Set compare value, mask value and time counter value
 * @param[in]	RITx is RIT peripheral selected, should be: RIT
 * @param[in]	value: pointer to RIT_CMP_VAL Structure
 * @return 		None
 *******************************************************************************/
void RIT_TimerConfig(LPC_RIT_TypeDef *RITx, RIT_CMP_VAL *value)
{
	CHECK_PARAM(PARAM_RITx(RITx));

	RITx->RICOMPVAL	= value->CMPVAL;
	RITx->RIMASK	= value->MASKVAL;
	RITx->RICOUNTER	= value->COUNTVAL;
}

示例#2

文件： lpc17xx_rit.c 项目： 0x23/Smoothieware

/******************************************************************************//*
 * @brief 		Check whether interrupt flag is set or not
 * @param[in]	RITx is RIT peripheral selected, should be: LPC_RIT
 * @return 		Current interrupt status, could be: SET/RESET
 *******************************************************************************/
IntStatus RIT_GetIntStatus(LPC_RIT_TypeDef *RITx)
{
	uint8_t result;
	CHECK_PARAM(PARAM_RITx(RITx));
	if((RITx->RICTRL&RIT_CTRL_INTEN)==1)	result= SET;
	else return RESET;
	//clear interrupt flag
	RITx->RICTRL |= RIT_CTRL_INTEN;
	return (IntStatus)result;
}

示例#3

文件： lpc17xx_rit.c 项目： 0x23/Smoothieware

/******************************************************************************//*
 * @brief 		DeInitial for RIT
 * 					- Turn off power and clock
 * 					- ReSetup default register values
 * @param[in]	RITx is RIT peripheral selected, should be: LPC_RIT
 * @return 		None
 *******************************************************************************/
void RIT_DeInit(LPC_RIT_TypeDef *RITx)
{
	CHECK_PARAM(PARAM_RITx(RITx));

	// Turn off power and clock
	CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCRIT, DISABLE);
	//ReSetup default register values
	RITx->RICOMPVAL = 0xFFFFFFFF;
	RITx->RIMASK	= 0x00000000;
	RITx->RICTRL	= 0x0C;
	RITx->RICOUNTER	= 0x00000000;
}

示例#4

文件： lpc17xx_rit.c 项目： 0x23/Smoothieware

/******************************************************************************//*
 * @brief 		Timer Enable/Disable on debug
 * @param[in]	RITx is RIT peripheral selected, should be: LPC_RIT
 * @param[in]	NewState 	New State of this function
 * 					-ENABLE: The timer is halted whenever a hardware break condition occurs
 * 					-DISABLE: Hardware break has no effect on the timer operation
 * @return 		None
 *******************************************************************************/
void RIT_TimerDebugCmd(LPC_RIT_TypeDef *RITx, FunctionalState NewState)
{
	CHECK_PARAM(PARAM_RITx(RITx));
	CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));

	//Timer Enable/Disable on break
	if(NewState==ENABLE)
	{
		RITx->RICTRL |= RIT_CTRL_ENBR;
	}
	else
	{
		RITx->RICTRL &= ~RIT_CTRL_ENBR;
	}
}

示例#5

文件： lpc17xx_rit.c 项目： 0x23/Smoothieware

/******************************************************************************//*
 * @brief 		Enable/Disable Timer
 * @param[in]	RITx is RIT peripheral selected, should be: LPC_RIT
 * @param[in]	NewState 	New State of this function
 * 					-ENABLE: Enable Timer
 * 					-DISABLE: Disable Timer
 * @return 		None
 *******************************************************************************/
void RIT_Cmd(LPC_RIT_TypeDef *RITx, FunctionalState NewState)
{
	CHECK_PARAM(PARAM_RITx(RITx));
	CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));

	//Enable or Disable Timer
	if(NewState==ENABLE)
	{
		RITx->RICTRL |= RIT_CTRL_TEN;
	}
	else
	{
		RITx->RICTRL &= ~RIT_CTRL_TEN;
	}
}

示例#6

文件： lpc17xx_rit.c 项目： BackupTheBerlios/elua-svn

/******************************************************************************//*
 * @brief 		Timer Enable/Disable Clear
 * @param[in]	RITx is RIT peripheral selected, should be: RIT
 * @param[in]	NewState 	New State of this function
 * 						-ENABLE: The timer will be cleared to 0 whenever
 * 				the counter value equals the masked compare value specified
 * 				by the contents of RICOMPVAL and RIMASK register
 * 						-DISABLE: The timer will not be clear to 0
 * @return 		None
 *******************************************************************************/
void RIT_TimerClearCmd(RIT_TypeDef *RITx, FunctionalState NewState)
{
	CHECK_PARAM(PARAM_RITx(RITx));
	CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));

	//Timer Enable/Disable Clear
	if(NewState==ENABLE)
	{
		RITx->RICTRL |= RIT_CTRL_ENCLR;
	}
	else
	{
		RITx->RICTRL &= ~RIT_CTRL_ENCLR;
	}
}

示例#7

文件： lpc17xx_rit.c 项目： 0x23/Smoothieware

/******************************************************************************//*
 * @brief 		Set compare value, mask value and time counter value
 * @param[in]	RITx is RIT peripheral selected, should be: LPC_RIT
 * @param[in]	time_interval: timer interval value (ms)
 * @return 		None
 *******************************************************************************/
void RIT_TimerConfig(LPC_RIT_TypeDef *RITx, uint32_t time_interval)
{
	uint32_t clock_rate, cmp_value;
	CHECK_PARAM(PARAM_RITx(RITx));

	// Get PCLK value of RIT
	clock_rate = CLKPWR_GetPCLK(CLKPWR_PCLKSEL_RIT);

	/* calculate compare value for RIT to generate interrupt at
	 * specified time interval
	 * COMPVAL = (RIT_PCLK * time_interval)/1000
	 * (with time_interval unit is millisecond)
	 */
	cmp_value = (clock_rate /1000) * time_interval;
	RITx->RICOMPVAL = cmp_value;

	/* Set timer enable clear bit to clear timer to 0 whenever
	 * counter value equals the contents of RICOMPVAL
	 */
	RITx->RICTRL |= (1<<1);
}