/* 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/gpt_lld.c * @brief GPT Driver subsystem low level driver source template. * * @addtogroup GPT * @{ */ #include "ch.h" #include "hal.h" #if HAL_USE_GPT || defined(__DOXYGEN__) /*===========================================================================*/ /* Driver local definitions. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver exported variables. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver local variables. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver interrupt handlers. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver exported functions. */ /*===========================================================================*/ /** * @brief Low level GPT driver initialization. * * @notapi */ void gpt_lld_init(void) { } /** * @brief Configures and activates the GPT peripheral. * * @param[in] gptp pointer to the @p GPTDriver object * * @notapi */ void gpt_lld_start(GPTDriver *gptp) { uint16_t psc; if (gptp->state == GPT_STOP) { /* Clock activation.*/ } /* Configuration.*/ } /** * @brief Deactivates the GPT peripheral. * * @param[in] gptp pointer to the @p GPTDriver object * * @notapi */ void gpt_lld_stop(GPTDriver *gptp) { if (gptp->state == GPT_READY) { /* Clock de-activation.*/ } } /** * @brief Starts the timer in continuous mode. * * @param[in] gptp pointer to the @p GPTDriver object * @param[in] period period in ticks * * @notapi */ void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period) { } /** * @brief Stops the timer. * * @param[in] gptp pointer to the @p GPTDriver object * * @notapi */ void gpt_lld_stop_timer(GPTDriver *gptp) { } /** * @brief Starts the timer in one shot mode and waits for completion. * @details This function specifically polls the timer waiting for completion * in order to not have extra delays caused by interrupt servicing, * this function is only recommended for short delays. * * @param[in] gptp pointer to the @p GPTDriver object * @param[in] interval time interval in ticks * * @notapi */ void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval) { } #endif /* HAL_USE_GPT */ /** @} */