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/*
ChibiOS - Copyright (C) 2006..2015 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 icu_lld.c
* @brief PLATFORM ADC subsystem low level driver source.
*
* @addtogroup ICU
* @{
*/
#include "hal.h"
#if (HAL_USE_ICU == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief ICUD1 driver identifier.
* @note The driver ICUD1 allocates the complex timer TIM1 when enabled.
*/
#if (PLATFORM_ICU_USE_ICU1 == TRUE) || 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 == TRUE
/* Driver initialization.*/
icuObjectInit(&ICUD1);
#endif
}
/**
* @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) {
/* Clock activation and timer reset.*/
#if PLATFORM_ICU_USE_ICU1 == TRUE
if (&ICUD1 == icup) {
}
#endif
}
}
/**
* @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) {
/* Clock deactivation.*/
#if PLATFORM_ICU_USE_ICU1 == TRUE
if (&ICUD1 == icup) {
}
#endif
}
}
/**
* @brief Starts the input capture.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
void icu_lld_start_capture(ICUDriver *icup) {
(void)icup;
}
/**
* @brief Waits for a completed capture.
* @note The operation is performed in polled mode.
* @note In order to use this function notifications must be disabled.
*
* @param[in] icup pointer to the @p ICUDriver object
* @return The capture status.
* @retval false if the capture is successful.
* @retval true if a timer overflow occurred.
*
* @notapi
*/
bool icu_lld_wait_capture(ICUDriver *icup) {
(void)icup;
return false;
}
/**
* @brief Stops the input capture.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
void icu_lld_stop_capture(ICUDriver *icup) {
(void)icup;
}
/**
* @brief Enables notifications.
* @pre The ICU unit must have been activated using @p icuStart().
* @note If the notification is already enabled then the call has no effect.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @api
*/
void icu_lld_enable_notifications(ICUDriver *icup) {
(void)icup;
}
/**
* @brief Disables notifications.
* @pre The ICU unit must have been activated using @p icuStart().
* @note If the notification is already disabled then the call has no effect.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @api
*/
void icu_lld_disable_notifications(ICUDriver *icup) {
(void)icup;
}
#endif /* HAL_USE_ICU == TRUE */
/** @} */
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