127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2006..2018 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 hal_sio.c
|
|
* @brief SIO Driver code.
|
|
*
|
|
* @addtogroup SIO
|
|
* @{
|
|
*/
|
|
|
|
#include "hal.h"
|
|
|
|
#if (HAL_USE_SIO == TRUE) || defined(__DOXYGEN__)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local definitions. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver exported variables. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local variables and types. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local functions. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver exported functions. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief SIO Driver initialization.
|
|
* @note This function is implicitly invoked by @p halInit(), there is
|
|
* no need to explicitly initialize the driver.
|
|
*
|
|
* @init
|
|
*/
|
|
void sioInit(void) {
|
|
|
|
sio_lld_init();
|
|
}
|
|
|
|
/**
|
|
* @brief Initializes the standard part of a @p SIODriver structure.
|
|
*
|
|
* @param[out] siop pointer to the @p SIODriver object
|
|
*
|
|
* @init
|
|
*/
|
|
void sioObjectInit(SIODriver *siop) {
|
|
|
|
siop->state = SIO_STOP;
|
|
siop->config = NULL;
|
|
|
|
/* Optional, user-defined initializer.*/
|
|
#if defined(SIO_DRIVER_EXT_INIT_HOOK)
|
|
SIO_DRIVER_EXT_INIT_HOOK(siop);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* @brief Configures and activates the SIO peripheral.
|
|
*
|
|
* @param[in] siop pointer to the @p SIODriver object
|
|
* @param[in] config pointer to the @p SIOConfig object
|
|
*
|
|
* @api
|
|
*/
|
|
void sioStart(SIODriver *siop, const SIOConfig *config) {
|
|
|
|
osalDbgCheck((siop != NULL) && (config != NULL));
|
|
|
|
osalSysLock();
|
|
osalDbgAssert((siop->state == SIO_STOP) || (siop->state == SIO_READY),
|
|
"invalid state");
|
|
|
|
siop->config = config;
|
|
sio_lld_start(siop);
|
|
siop->state = SIO_READY;
|
|
osalSysUnlock();
|
|
}
|
|
|
|
/**
|
|
* @brief Deactivates the SIO peripheral.
|
|
*
|
|
* @param[in] siop pointer to the @p SIODriver object
|
|
*
|
|
* @api
|
|
*/
|
|
void sioStop(SIODriver *siop) {
|
|
|
|
osalDbgCheck(siop != NULL);
|
|
|
|
osalSysLock();
|
|
|
|
osalDbgAssert((siop->state == SIO_STOP) || (siop->state == SIO_READY),
|
|
"invalid state");
|
|
|
|
sio_lld_stop(siop);
|
|
siop->config = NULL;
|
|
siop->state = SIO_STOP;
|
|
|
|
osalSysUnlock();
|
|
}
|
|
|
|
#endif /* HAL_USE_SIO == TRUE */
|
|
|
|
/** @} */
|