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/*
ChibiOS - Copyright (C) 2006..2016 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 gpt_lld.c
* @brief PLATFORM GPT subsystem low level driver source.
*
* @addtogroup GPT
* @{
*/
#include "hal.h"
#if (HAL_USE_GPT == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief GPTD1 driver identifier.
*/
#if (PLATFORM_GPT_USE_GPT1 == TRUE) || defined(__DOXYGEN__)
GPTDriver GPTD1;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level GPT driver initialization.
*
* @notapi
*/
void gpt_lld_init(void) {
#if PLATFORM_GPT_USE_GPT1 == TRUE
/* Driver initialization.*/
gptObjectInit(&GPTD1);
#endif
}
/**
* @brief Configures and activates the GPT peripheral.
*
* @param[in] gptp pointer to the @p GPTDriver object
*
* @notapi
*/
void gpt_lld_start(GPTDriver *gptp) {
if (gptp->state == GPT_STOP) {
/* Enables the peripheral.*/
#if PLATFORM_GPT_USE_GPT1 == TRUE
if (&GPTD1 == gptp) {
}
#endif
}
/* Configures the peripheral.*/
}
/**
* @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) {
/* Resets the peripheral.*/
/* Disables the peripheral.*/
#if PLATFORM_GPT_USE_GPT1 == TRUE
if (&GPTD1 == gptp) {
}
#endif
}
}
/**
* @brief Starts the timer in continuous mode.
*
* @param[in] gptp pointer to the @p GPTDriver object
* @param[in] interval period in ticks
*
* @notapi
*/
void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t interval) {
(void)gptp;
(void)interval;
}
/**
* @brief Stops the timer.
*
* @param[in] gptp pointer to the @p GPTDriver object
*
* @notapi
*/
void gpt_lld_stop_timer(GPTDriver *gptp) {
(void)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) {
(void)gptp;
(void)interval;
}
#endif /* HAL_USE_GPT == TRUE */
/** @} */
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