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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file templates/icu_lld.c
* @brief ICU Driver subsystem low level driver source template.
*
* @addtogroup ICU
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_ICU || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief ICU1 driver identifier.
*/
#if PLATFORM_ICU_USE_ICU1 || defined(__DOXYGEN__)
ICUDriver ICUD1;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level ICU driver initialization.
*
* @notapi
*/
void icu_lld_init(void) {
#if PLATFORM_ICU_USE_ICU1
/* Driver initialization.*/
icuObjectInit(&ICUD1);
#endif /* PLATFORM_ICU_USE_ICU1 */
}
/**
* @brief Configures and activates the ICU peripheral.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
void icu_lld_start(ICUDriver *icup) {
if (icup->state == ICU_STOP) {
/* Enables the peripheral.*/
#if PLATFORM_ICU_USE_ICU1
if (&ICUD1 == icup) {
}
#endif /* PLATFORM_ICU_USE_ICU1 */
}
/* Configures the peripheral.*/
}
/**
* @brief Deactivates the ICU peripheral.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
void icu_lld_stop(ICUDriver *icup) {
if (icup->state == ICU_READY) {
/* Resets the peripheral.*/
/* Disables the peripheral.*/
#if PLATFORM_ICU_USE_ICU1
if (&ICUD1 == icup) {
}
#endif /* PLATFORM_ICU_USE_ICU1 */
}
}
/**
* @brief Enables the input capture.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
void icu_lld_enable(ICUDriver *icup) {
(void)icup;
}
/**
* @brief Disables the input capture.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
void icu_lld_disable(ICUDriver *icup) {
(void)icup;
}
/**
* @brief Returns the width of the latest pulse.
* @details The pulse width is defined as number of ticks between the start
* edge and the stop edge.
*
* @param[in] icup pointer to the @p ICUDriver object
* @return The number of ticks.
*
* @notapi
*/
icucnt_t icu_lld_get_width(ICUDriver *icup) {
(void)icup;
return 0;
}
/**
* @brief Returns the width of the latest cycle.
* @details The cycle width is defined as number of ticks between a start
* edge and the next start edge.
*
* @param[in] icup pointer to the @p ICUDriver object
* @return The number of ticks.
*
* @notapi
*/
icucnt_t icu_lld_get_period(ICUDriver *icup) {
(void)icup;
return 0;
}
#endif /* HAL_USE_ICU */
/** @} */
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