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/*
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_efl.c
* @brief Embedded Flash Driver code.
*
* @addtogroup HAL_EFL
* @{
*/
#include "hal.h"
#if (HAL_USE_EFL == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
static const struct EFlashDriverVMT vmt = {
(size_t)0,
efl_lld_get_descriptor,
efl_lld_read,
efl_lld_program,
efl_lld_start_erase_all,
efl_lld_start_erase_sector,
efl_lld_query_erase,
efl_lld_verify_erase
};
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Embedded Flash Driver initialization.
* @note This function is implicitly invoked by @p halInit(), there is
* no need to explicitly initialize the driver.
*
* @init
*/
void eflInit(void) {
efl_lld_init();
}
/**
* @brief Initializes a generic @p EFlashDriver object.
*
* @param[out] eflp pointer to a @p EFlashDriver structure
*
* @init
*/
void eflObjectInit(EFlashDriver *eflp) {
eflp->vmt = &vmt;
eflp->state = FLASH_STOP;
}
/**
* @brief Configures and starts the driver.
*
* @param[in] eflp pointer to a @p EFlashDriver structure
* @param[in] config pointer to a configuration structure.
* If this parameter is set to @p NULL then a default
* configuration is used.
*
* @api
*/
void eflStart(EFlashDriver *eflp, const EFlashConfig *config) {
osalDbgCheck(eflp != NULL);
osalSysLock();
osalDbgAssert((eflp->state == FLASH_STOP) || (eflp->state == FLASH_READY),
"invalid state");
eflp->config = config;
efl_lld_start(eflp);
eflp->state = FLASH_READY;
osalSysUnlock();
}
/**
* @brief Stops the driver.
*
* @param[in] eflp pointer to a @p EFlashDriver structure
*
* @api
*/
void eflStop(EFlashDriver *eflp) {
osalDbgCheck(eflp != NULL);
osalSysLock();
osalDbgAssert((eflp->state == FLASH_STOP) || (eflp->state == FLASH_READY),
"invalid state");
efl_lld_stop(eflp);
eflp->state = FLASH_STOP;
osalSysUnlock();
}
#endif /* HAL_USE_EFL == TRUE */
/** @} */
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