Initial commit of firmware
This commit is contained in:
685
Libs/platform/emlib/src/em_letimer.c
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685
Libs/platform/emlib/src/em_letimer.c
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/***************************************************************************//**
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* @file
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* @brief Low Energy Timer (LETIMER) Peripheral API
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*******************************************************************************
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* # License
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* <b>Copyright 2018 Silicon Laboratories Inc. www.silabs.com</b>
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*******************************************************************************
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*
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* SPDX-License-Identifier: Zlib
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*
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* The licensor of this software is Silicon Laboratories Inc.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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******************************************************************************/
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#include "em_letimer.h"
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#if defined(LETIMER_COUNT) && (LETIMER_COUNT > 0)
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#include "em_cmu.h"
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#include "sl_assert.h"
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/***************************************************************************//**
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* @addtogroup letimer LETIMER - Low Energy Timer
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* @brief Low Energy Timer (LETIMER) Peripheral API
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* @details
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* This module contains functions to control the LETIMER peripheral of Silicon
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* Labs 32-bit MCUs and SoCs. The LETIMER is a down-counter that can keep track
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* of time and output configurable waveforms.
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* @{
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******************************************************************************/
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/*******************************************************************************
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******************************* DEFINES ***********************************
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******************************************************************************/
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/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
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/** A validation of the valid comparator register for assert statements. */
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#define LETIMER_COMP_REG_VALID(reg) (((reg) <= 1))
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/** A validation of the LETIMER register block pointer reference for assert statements. */
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#if (LETIMER_COUNT == 1)
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#define LETIMER_REF_VALID(ref) ((ref) == LETIMER0)
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#elif (LETIMER_COUNT == 2)
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#define LETIMER_REF_VALID(ref) (((ref) == LETIMER0) || ((ref) == LETIMER1))
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#else
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#error Undefined number of analog comparators (ACMP).
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#endif
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/** A validation of the valid repeat counter register for assert statements. */
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#define LETIMER_REP_REG_VALID(reg) (((reg) <= 1))
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/** @endcond */
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/*******************************************************************************
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************************** LOCAL FUNCTIONS ********************************
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******************************************************************************/
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/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
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/***************************************************************************//**
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* @brief
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* Wait for an ongoing sync of register(s) to the low-frequency domain to complete.
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*
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* @note
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* See the reference manual chapter about Access to Low Energy Peripherals
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* (Asynchronos Registers) for details.
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*
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* @param[in] letimer
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* A pointer to the LETIMER peripheral register block.
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*
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* @param[in] mask
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* A bitmask corresponding to SYNCBUSY register defined bits, indicating
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* registers that must complete any ongoing synchronization.
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******************************************************************************/
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__STATIC_INLINE void regSync(LETIMER_TypeDef *letimer, uint32_t mask)
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{
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#if defined(_LETIMER_FREEZE_MASK)
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/* Avoid a deadlock if modifying the same register twice when freeze mode is */
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/* activated. */
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if (letimer->FREEZE & LETIMER_FREEZE_REGFREEZE) {
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return;
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}
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#endif
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/* Wait for any pending write operation to complete. */
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while (letimer->SYNCBUSY & mask) {
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}
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}
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/** @endcond */
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/*******************************************************************************
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************************** GLOBAL FUNCTIONS *******************************
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******************************************************************************/
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/***************************************************************************//**
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* @brief
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* Get the LETIMER compare register value.
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*
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* @param[in] letimer
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* A pointer to the LETIMER peripheral register block.
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*
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* @param[in] comp
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* A compare register to get, either 0 or 1.
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*
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* @return
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* A compare register value, 0 if invalid register selected.
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******************************************************************************/
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uint32_t LETIMER_CompareGet(LETIMER_TypeDef *letimer, unsigned int comp)
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{
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uint32_t ret;
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EFM_ASSERT(LETIMER_REF_VALID(letimer) && LETIMER_COMP_REG_VALID(comp));
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/* Initialize the selected compare value. */
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switch (comp) {
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case 0:
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#if defined(LETIMER_SYNCBUSY_COMP0)
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regSync(letimer, LETIMER_SYNCBUSY_COMP0);
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#endif
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ret = letimer->COMP0;
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break;
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case 1:
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#if defined(LETIMER_SYNCBUSY_COMP1)
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regSync(letimer, LETIMER_SYNCBUSY_COMP1);
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#endif
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ret = letimer->COMP1;
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break;
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default:
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/* An unknown compare register selected. */
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ret = 0;
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break;
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}
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return ret;
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}
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/***************************************************************************//**
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* @brief
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* Get LETIMER counter value.
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*
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* @param[in] letimer
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* Pointer to the LETIMER peripheral register block.
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*
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* @return
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* Current LETIMER counter value.
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******************************************************************************/
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uint32_t LETIMER_CounterGet(LETIMER_TypeDef *letimer)
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{
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#if defined(LETIMER_SYNCBUSY_CNT)
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regSync(letimer, LETIMER_SYNCBUSY_CNT);
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#endif
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return letimer->CNT;
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}
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#if !defined(_EFM32_GECKO_FAMILY)
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/***************************************************************************//**
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* @brief
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* Set LETIMER counter value.
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*
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* @param[in] letimer
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* Pointer to the LETIMER peripheral register block.
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*
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* @param[in] value
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* New counter value.
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******************************************************************************/
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void LETIMER_CounterSet(LETIMER_TypeDef *letimer, uint32_t value)
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{
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#if defined(LETIMER_SYNCBUSY_CNT)
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regSync(letimer, LETIMER_SYNCBUSY_CNT);
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#endif
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letimer->CNT = value;
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}
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#endif
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/***************************************************************************//**
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* @brief
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* Set the LETIMER compare register value.
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*
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* @note
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* The setting of a compare register requires synchronization into the
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* low frequency domain. If the same register is modified before a previous
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* update has completed, this function will stall until the previous
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* synchronization has completed. This only applies to the Gecko Family. See
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* comments in the LETIMER_Sync() internal function call.
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*
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* @param[in] letimer
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* A pointer to the LETIMER peripheral register block.
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*
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* @param[in] comp
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* A compare register to set, either 0 or 1.
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*
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* @param[in] value
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* An initialization value (<= 0x0000ffff).
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******************************************************************************/
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void LETIMER_CompareSet(LETIMER_TypeDef *letimer,
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unsigned int comp,
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uint32_t value)
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{
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EFM_ASSERT(LETIMER_REF_VALID(letimer)
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&& LETIMER_COMP_REG_VALID(comp)
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&& ((value & ~(_LETIMER_COMP0_COMP0_MASK
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>> _LETIMER_COMP0_COMP0_SHIFT))
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== 0));
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/* Initialize the selected compare value. */
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switch (comp) {
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case 0:
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#if defined(LETIMER_SYNCBUSY_COMP0)
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regSync(letimer, LETIMER_SYNCBUSY_COMP0);
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#endif
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letimer->COMP0 = value;
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break;
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case 1:
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#if defined(LETIMER_SYNCBUSY_COMP1)
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regSync(letimer, LETIMER_SYNCBUSY_COMP1);
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#endif
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letimer->COMP1 = value;
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break;
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default:
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/* An unknown compare register selected, abort. */
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break;
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}
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}
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/***************************************************************************//**
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* @brief
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* Start/stop LETIMER.
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*
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* @note
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* The enabling/disabling of the LETIMER modifies the LETIMER CMD register
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* which requires synchronization into the low-frequency domain. If this
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* register is modified before a previous update to the same register has
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* completed, this function will stall until the previous synchronization has
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* completed. This only applies to the Gecko Family. See comments in the
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* LETIMER_Sync() internal function call.
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*
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* @param[in] letimer
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* A pointer to the LETIMER peripheral register block.
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*
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* @param[in] enable
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* True to enable counting, false to disable.
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******************************************************************************/
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void LETIMER_Enable(LETIMER_TypeDef *letimer, bool enable)
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{
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EFM_ASSERT(LETIMER_REF_VALID(letimer));
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#if defined(LETIMER_SYNCBUSY_CMD)
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regSync(letimer, LETIMER_SYNCBUSY_CMD);
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#elif defined (LETIMER_SYNCBUSY_START) && defined (LETIMER_SYNCBUSY_STOP)
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regSync(letimer, LETIMER_SYNCBUSY_STOP | LETIMER_SYNCBUSY_START);
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#endif
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if (enable) {
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letimer->CMD = LETIMER_CMD_START;
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} else {
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letimer->CMD = LETIMER_CMD_STOP;
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}
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}
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#if defined(_LETIMER_FREEZE_MASK)
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/***************************************************************************//**
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* @brief
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* LETIMER register synchronization freeze control.
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*
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* @details
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* Some LETIMER registers require synchronization into the low-frequency (LF)
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* domain. The freeze feature allows for several such registers to be
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* modified before passing them to the LF domain simultaneously (which
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* takes place when the freeze mode is disabled).
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*
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* @note
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* When enabling freeze mode, this function will wait for all current
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* ongoing LETIMER synchronization to the LF domain to complete (Normally
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* synchronization will not be in progress.) However, for this reason, when
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* using freeze mode, modifications of registers requiring the LF synchronization
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* should be done within one freeze enable/disable block to avoid unecessary
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* stalling.
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*
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* @param[in] letimer
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* A pointer to the LETIMER peripheral register block.
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*
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* @param[in] enable
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* @li True - enable freeze, modified registers are not propagated to the
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* LF domain
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* @li False - disables freeze, modified registers are propagated to the LF
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* domain
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******************************************************************************/
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void LETIMER_FreezeEnable(LETIMER_TypeDef *letimer, bool enable)
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{
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if (enable) {
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/*
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* Wait for any ongoing LF synchronization to complete to
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* protect against the rare case when a user
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* - modifies a register requiring LF sync
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* - then enables freeze before LF sync completed
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* - then modifies the same register again
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* since modifying a register while it is in sync progress should be
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* avoided.
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*/
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while (letimer->SYNCBUSY) {
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}
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letimer->FREEZE = LETIMER_FREEZE_REGFREEZE;
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} else {
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letimer->FREEZE = 0;
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}
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}
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#endif /* defined(_LETIMER_FREEZE_MASK) */
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/***************************************************************************//**
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* @brief
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* Initialize LETIMER.
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*
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* @details
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* Note that the compare/repeat values must be set separately with
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* LETIMER_CompareSet() and LETIMER_RepeatSet(). That should probably be done
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* prior using this function if configuring the LETIMER to start when
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* initialization is complete.
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*
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* @note
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* The initialization of the LETIMER modifies the LETIMER CTRL/CMD registers
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* which require synchronization into the low-frequency domain. If any of those
|
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* registers are modified before a previous update to the same register has
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* completed, this function will stall until the previous synchronization has
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* completed. This only applies to the Gecko Family. See comments in the
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* LETIMER_Sync() internal function call.
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*
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* @param[in] letimer
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* A pointer to the LETIMER peripheral register block.
|
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*
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* @param[in] init
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* A pointer to the LETIMER initialization structure.
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******************************************************************************/
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void LETIMER_Init(LETIMER_TypeDef *letimer, const LETIMER_Init_TypeDef *init)
|
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{
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uint32_t tmp = 0;
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EFM_ASSERT(LETIMER_REF_VALID(letimer));
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#if defined (LETIMER_EN_EN)
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letimer->EN_SET = LETIMER_EN_EN;
|
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#endif
|
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/* Stop the timer if specified to be disabled and running. */
|
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if (!(init->enable) && (letimer->STATUS & LETIMER_STATUS_RUNNING)) {
|
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#if defined(LETIMER_SYNCBUSY_CMD)
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regSync(letimer, LETIMER_SYNCBUSY_CMD);
|
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#elif defined(LETIMER_SYNCBUSY_STOP)
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regSync(letimer, LETIMER_SYNCBUSY_STOP);
|
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#endif
|
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letimer->CMD = LETIMER_CMD_STOP;
|
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}
|
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|
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/* Configure the DEBUGRUN flag, which sets whether or not the counter should be
|
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* updated when the debugger is active. */
|
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if (init->debugRun) {
|
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tmp |= LETIMER_CTRL_DEBUGRUN;
|
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}
|
||||
|
||||
#if defined(LETIMER_CTRL_RTCC0TEN)
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if (init->rtcComp0Enable) {
|
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tmp |= LETIMER_CTRL_RTCC0TEN;
|
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}
|
||||
|
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if (init->rtcComp1Enable) {
|
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tmp |= LETIMER_CTRL_RTCC1TEN;
|
||||
}
|
||||
#endif
|
||||
|
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if ((init->comp0Top) || (init->topValue != 0U)) {
|
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#if defined (LETIMER_CTRL_COMP0TOP)
|
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tmp |= LETIMER_CTRL_COMP0TOP;
|
||||
if (init->topValue != 0U) {
|
||||
letimer->COMP0 = init->topValue;
|
||||
}
|
||||
#elif defined (LETIMER_CTRL_CNTTOPEN)
|
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tmp |= LETIMER_CTRL_CNTTOPEN;
|
||||
if (init->topValue != 0U) {
|
||||
letimer->TOP = init->topValue;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
if (init->bufTop) {
|
||||
tmp |= LETIMER_CTRL_BUFTOP;
|
||||
}
|
||||
|
||||
if (init->out0Pol) {
|
||||
tmp |= LETIMER_CTRL_OPOL0;
|
||||
}
|
||||
|
||||
if (init->out1Pol) {
|
||||
tmp |= LETIMER_CTRL_OPOL1;
|
||||
}
|
||||
|
||||
tmp |= init->ufoa0 << _LETIMER_CTRL_UFOA0_SHIFT;
|
||||
tmp |= init->ufoa1 << _LETIMER_CTRL_UFOA1_SHIFT;
|
||||
tmp |= init->repMode << _LETIMER_CTRL_REPMODE_SHIFT;
|
||||
|
||||
#if defined(LETIMER_SYNCBUSY_CTRL)
|
||||
/* LF register about to be modified requires sync; busy check. */
|
||||
regSync(letimer, LETIMER_SYNCBUSY_CTRL);
|
||||
#endif
|
||||
letimer->CTRL = tmp;
|
||||
|
||||
/* Start the timer if specified to be enabled and not already running. */
|
||||
if (init->enable && !(letimer->STATUS & LETIMER_STATUS_RUNNING)) {
|
||||
#if defined(LETIMER_SYNCBUSY_CMD)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_CMD);
|
||||
#elif defined(LETIMER_SYNCBUSY_START)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_START);
|
||||
#endif
|
||||
letimer->CMD = LETIMER_CMD_START;
|
||||
}
|
||||
}
|
||||
|
||||
/***************************************************************************//**
|
||||
* @brief
|
||||
* Get the LETIMER repeat register value.
|
||||
*
|
||||
* @param[in] letimer
|
||||
* A pointer to the LETIMER peripheral register block.
|
||||
*
|
||||
* @param[in] rep
|
||||
* Repeat register to get, either 0 or 1.
|
||||
*
|
||||
* @return
|
||||
* Repeat register value, 0 if invalid register selected.
|
||||
******************************************************************************/
|
||||
uint32_t LETIMER_RepeatGet(LETIMER_TypeDef *letimer, unsigned int rep)
|
||||
{
|
||||
uint32_t ret;
|
||||
|
||||
EFM_ASSERT(LETIMER_REF_VALID(letimer) && LETIMER_REP_REG_VALID(rep));
|
||||
|
||||
/* Initialize the selected compare value. */
|
||||
switch (rep) {
|
||||
case 0:
|
||||
#if defined(LETIMER_SYNCBUSY_REP0)
|
||||
/* Wait for sync to complete to read the potentially pending value. */
|
||||
regSync(letimer, LETIMER_SYNCBUSY_REP0);
|
||||
#endif
|
||||
ret = letimer->REP0;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
#if defined(LETIMER_SYNCBUSY_REP1)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_REP1);
|
||||
#endif
|
||||
ret = letimer->REP1;
|
||||
break;
|
||||
|
||||
default:
|
||||
/* An unknown compare register selected. */
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/***************************************************************************//**
|
||||
* @brief
|
||||
* Set the LETIMER repeat counter register value.
|
||||
*
|
||||
* @note
|
||||
* The setting of a repeat counter register requires synchronization into the
|
||||
* low-frequency domain. If the same register is modified before a previous
|
||||
* update has completed, this function will stall until the previous
|
||||
* synchronization has completed. This only applies to the Gecko Family. See
|
||||
* comments in the LETIMER_Sync() internal function call.
|
||||
*
|
||||
* @param[in] letimer
|
||||
* A pointer to the LETIMER peripheral register block.
|
||||
*
|
||||
* @param[in] rep
|
||||
* Repeat counter register to set, either 0 or 1.
|
||||
*
|
||||
* @param[in] value
|
||||
* An initialization value (<= 0x0000ffff).
|
||||
******************************************************************************/
|
||||
void LETIMER_RepeatSet(LETIMER_TypeDef *letimer,
|
||||
unsigned int rep,
|
||||
uint32_t value)
|
||||
{
|
||||
EFM_ASSERT(LETIMER_REF_VALID(letimer)
|
||||
&& LETIMER_REP_REG_VALID(rep)
|
||||
&& ((value & ~(_LETIMER_REP0_REP0_MASK
|
||||
>> _LETIMER_REP0_REP0_SHIFT))
|
||||
== 0));
|
||||
|
||||
/* Initialize the selected compare value. */
|
||||
switch (rep) {
|
||||
case 0:
|
||||
#if defined(LETIMER_SYNCBUSY_REP0)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_REP0);
|
||||
#endif
|
||||
letimer->REP0 = value;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
#if defined(LETIMER_SYNCBUSY_REP1)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_REP1);
|
||||
#endif
|
||||
letimer->REP1 = value;
|
||||
break;
|
||||
|
||||
default:
|
||||
/* An unknown compare register selected, abort. */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/***************************************************************************//**
|
||||
* @brief
|
||||
* Reset LETIMER to the same state that it was in after a hardware reset.
|
||||
*
|
||||
* @note
|
||||
* The ROUTE register is NOT reset by this function to allow for
|
||||
* a centralized setup of this feature.
|
||||
*
|
||||
* @param[in] letimer
|
||||
* A pointer to the LETIMER peripheral register block.
|
||||
******************************************************************************/
|
||||
void LETIMER_Reset(LETIMER_TypeDef *letimer)
|
||||
{
|
||||
#if defined(LETIMER_EN_EN)
|
||||
letimer->EN_SET = LETIMER_EN_EN;
|
||||
#endif
|
||||
LETIMER_SyncWait(letimer);
|
||||
|
||||
#if defined(LETIMER_SWRST_SWRST)
|
||||
letimer->SWRST_SET = LETIMER_SWRST_SWRST;
|
||||
while (letimer->SWRST & _LETIMER_SWRST_RESETTING_MASK) {
|
||||
}
|
||||
#else
|
||||
|
||||
#if defined(_LETIMER_FREEZE_MASK)
|
||||
/* Freeze registers to avoid stalling for LF synchronization. */
|
||||
LETIMER_FreezeEnable(letimer, true);
|
||||
#endif
|
||||
|
||||
/* Make sure disabled first, before resetting other registers. */
|
||||
letimer->CMD = LETIMER_CMD_STOP | LETIMER_CMD_CLEAR
|
||||
| LETIMER_CMD_CTO0 | LETIMER_CMD_CTO1;
|
||||
letimer->CTRL = _LETIMER_CTRL_RESETVALUE;
|
||||
letimer->COMP0 = _LETIMER_COMP0_RESETVALUE;
|
||||
letimer->COMP1 = _LETIMER_COMP1_RESETVALUE;
|
||||
letimer->REP0 = _LETIMER_REP0_RESETVALUE;
|
||||
letimer->REP1 = _LETIMER_REP1_RESETVALUE;
|
||||
letimer->IEN = _LETIMER_IEN_RESETVALUE;
|
||||
LETIMER_IntClear(letimer, _LETIMER_IF_MASK);
|
||||
|
||||
#if defined(_LETIMER_FREEZE_MASK)
|
||||
/* Unfreeze registers and pass new settings to LETIMER. */
|
||||
LETIMER_FreezeEnable(letimer, false);
|
||||
#endif
|
||||
|
||||
LETIMER_SyncWait(letimer);
|
||||
|
||||
#if defined (LETIMER_EN_EN)
|
||||
letimer->EN_CLR = LETIMER_EN_EN;
|
||||
#if defined(_LETIMER_EN_DISABLING_MASK)
|
||||
/*
|
||||
* Currently, there are no chips without SWRST and with LETIMER_EN_DISABLING
|
||||
* so this code should never be reached, but that way the same pattern of
|
||||
* checking the disabling bit is spread across emlib, and code is slightly
|
||||
* more resilient to feature addition/removal.
|
||||
*/
|
||||
while (letimer->EN & _LETIMER_EN_DISABLING_MASK) {
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
/***************************************************************************//**
|
||||
* @brief
|
||||
* Wait for the LETIMER to complete all synchronization of register changes
|
||||
* and commands.
|
||||
*
|
||||
* @param[in] letimer
|
||||
* A pointer to the LETIMER peripheral register block.
|
||||
******************************************************************************/
|
||||
void LETIMER_SyncWait(LETIMER_TypeDef *letimer)
|
||||
{
|
||||
#if defined(_SILICON_LABS_32B_SERIES_2)
|
||||
while ((letimer->EN != 0U) && (letimer->SYNCBUSY != 0U)) {
|
||||
/* Wait for previous synchronization to finish */
|
||||
}
|
||||
#else
|
||||
while (letimer->SYNCBUSY != 0U) {
|
||||
/* Wait for previous synchronization to finish */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/***************************************************************************//**
|
||||
* @brief
|
||||
* Set the LETIMER top value.
|
||||
*
|
||||
* @note
|
||||
* The LETIMER is a down-counter, so when the counter reaches 0 then the top
|
||||
* value will be loaded into the counter. This function can be used to set
|
||||
* the top value.
|
||||
*
|
||||
* If the LETIMER is not already configured to use a top value then this
|
||||
* function will enable that functionality for the user.
|
||||
*
|
||||
* @param[in] letimer
|
||||
* A pointer to the LETIMER peripheral register block.
|
||||
*
|
||||
* @param[in] value
|
||||
* The top value. This can be a 16 bit value on series-0 and series-1 devices
|
||||
* and a 24 bit value on series-2 devices.
|
||||
******************************************************************************/
|
||||
void LETIMER_TopSet(LETIMER_TypeDef *letimer, uint32_t value)
|
||||
{
|
||||
#if defined(LETIMER_SYNCBUSY_CTRL)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_CTRL);
|
||||
#elif defined(LETIMER_SYNCBUSY_TOP)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_TOP);
|
||||
#endif
|
||||
|
||||
#if defined(_LETIMER_TOP_MASK)
|
||||
/* Make sure TOP value is enabled. */
|
||||
if ((letimer->CTRL & LETIMER_CTRL_CNTTOPEN) == 0U) {
|
||||
letimer->CTRL_SET = LETIMER_CTRL_CNTTOPEN;
|
||||
}
|
||||
letimer->TOP = value;
|
||||
#else
|
||||
/* Make sure TOP value is enabled. */
|
||||
if ((letimer->CTRL & LETIMER_CTRL_COMP0TOP) == 0U) {
|
||||
letimer->CTRL |= LETIMER_CTRL_COMP0TOP;
|
||||
}
|
||||
LETIMER_CompareSet(letimer, 0, value);
|
||||
#endif
|
||||
}
|
||||
|
||||
/***************************************************************************//**
|
||||
* @brief
|
||||
* Get the current LETIMER top value.
|
||||
*
|
||||
* @param[in] letimer
|
||||
* A pointer to the LETIMER peripheral register block.
|
||||
*
|
||||
* @return
|
||||
* The top value. This will be a 16 bit value on series-0 and series-1
|
||||
* devices and a 24 bit value on series-2 devices.
|
||||
******************************************************************************/
|
||||
uint32_t LETIMER_TopGet(LETIMER_TypeDef *letimer)
|
||||
{
|
||||
#if defined(_LETIMER_TOP_MASK)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_TOP);
|
||||
return letimer->TOP;
|
||||
#else
|
||||
#if defined(LETIMER_SYNCBUSY_COMP0)
|
||||
regSync(letimer, LETIMER_SYNCBUSY_COMP0);
|
||||
#endif
|
||||
return letimer->COMP0;
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @} (end addtogroup letimer) */
|
||||
#endif /* defined(LETIMER_COUNT) && (LETIMER_COUNT > 0) */
|
||||
Reference in New Issue
Block a user