119 lines
3.9 KiB
C
119 lines
3.9 KiB
C
/*
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ChibiOS/HAL - Copyright (C) 2014 Uladzimir Pylinsky aka barthess
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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SDRAM routines added by Nick Klimov aka progfin.
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*/
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/**
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* @file hal_sdram.h
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* @brief SDRAM Driver subsystem low level driver header.
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*
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* @addtogroup SDRAM
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* @{
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*/
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#ifndef HAL_SDRAM_LLD_H_
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#define HAL_SDRAM_LLD_H_
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#include "hal_fsmc.h"
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#if (HAL_USE_SDRAM == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name Configuration options
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* @{
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*/
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/**
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* @brief SDRAM driver enable switch.
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* @details If set to @p TRUE the support for SDRAM1 is included.
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*/
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#if !defined(STM32_SDRAM_USE_SDRAM1) || defined(__DOXYGEN__)
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#define STM32_SDRAM_USE_SDRAM1 FALSE
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#else
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#define STM32_SDRAM1_MAP_BASE FSMC_Bank5_MAP_BASE
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#endif
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/**
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* @brief SDRAM driver enable switch.
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* @details If set to @p TRUE the support for SDRAM2 is included.
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*/
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#if !defined(STM32_SDRAM_USE_SDRAM2) || defined(__DOXYGEN__)
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#define STM32_SDRAM_USE_SDRAM2 FALSE
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#else
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#define STM32_SDRAM2_MAP_BASE FSMC_Bank6_MAP_BASE
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if !STM32_SDRAM_USE_SDRAM1 && !STM32_SDRAM_USE_SDRAM2
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#error "SDRAM driver activated but no SDRAM peripheral assigned"
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#endif
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#if (STM32_SDRAM_USE_SDRAM1 || STM32_SDRAM_USE_SDRAM2) && !STM32_HAS_FSMC
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#error "FMC not present in the selected device"
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#endif
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#if (defined(STM32F427xx) || defined(STM32F437xx) || \
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defined(STM32F429xx) || defined(STM32F439xx) || \
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defined(STM32F745xx) || defined(STM32F746xx) || \
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defined(STM32F756xx) || defined(STM32F767xx) || \
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defined(STM32F769xx) || defined(STM32F777xx) || \
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defined(STM32F779xx))
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#else
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#error "Device is not compatible with SDRAM"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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extern SDRAMDriver SDRAMD1;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void sdram_lld_start(SDRAMDriver *sdramp, const SDRAMConfig *cfgp);
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void sdram_lld_stop(SDRAMDriver *sdramp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* STM32_SDRAM_USE_SDRAM */
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#endif /* HAL_SDRAM_LLD_H_ */
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/** @} */
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