/* ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, 2011,2012 Giovanni Di Sirio. This file is part of ChibiOS/RT. ChibiOS/RT is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. ChibiOS/RT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . --- A special exception to the GPL can be applied should you wish to distribute a combined work that includes ChibiOS/RT, without being obliged to provide the source code for any proprietary components. See the file exception.txt for full details of how and when the exception can be applied. */ /** * @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. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver local variables. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver interrupt handlers. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver exported functions. */ /*===========================================================================*/ /** * @brief Low level ICU driver initialization. * * @notapi */ void icu_lld_init(void) { } /** * @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.*/ } /* Configuration.*/ } /** * @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.*/ } } /** * @brief Enables the input capture. * * @param[in] icup pointer to the @p ICUDriver object * * @notapi */ void icu_lld_enable(ICUDriver *icup) { } /** * @brief Disables the input capture. * * @param[in] icup pointer to the @p ICUDriver object * * @notapi */ void icu_lld_disable(ICUDriver *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) { } /** * @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) { } #endif /* HAL_USE_ICU */ /** @} */