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/*
* @brief 32-bit Timer/PWM control functions
*
* @note
* Copyright(C) NXP Semiconductors, 2012
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
#include "timer_001.h"
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
/* Resets the timer terminal and prescale counts to 0 */
void IP_TIMER_Reset(IP_TIMER_001_Type *timer)
{
uint32_t reg;
/* Disable timer, set terminal count to non-0 */
reg = timer->TCR;
timer->TCR = 0;
timer->TC = 1;
/* Reset timer counter */
timer->TCR = TIMER_RESET;
/* Wait for terminal count to clear */
while (timer->TC != 0) {}
/* Restore timer state */
timer->TCR = reg;
}
/* Sets external match control (MATn.matchnum) pin control */
void IP_TIMER_ExtMatchControlSet(IP_TIMER_001_Type *timer, int8_t initial_state,
IP_TIMER_PIN_MATCH_STATE_Type matchState, int8_t matchnum)
{
timer->EMR = (((uint32_t) initial_state) << matchnum) |
(((uint32_t) matchState) << (4 + (matchnum * 2)));
}
/* Sets timer count source and edge with the selected passed from CapSrc */
void IP_TIMER_SetTimerClockSrc(IP_TIMER_001_Type *timer,
IP_TIMER_CAP_SRC_STATE_Type capSrc, int8_t capnum)
{
timer->CTCR = (uint32_t) capSrc | ((uint32_t) capnum) << 2;
}
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