diff options
Diffstat (limited to 'os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.h')
-rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.h b/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.h new file mode 100644 index 0000000..665c570 --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.h @@ -0,0 +1,118 @@ +/* + ChibiOS/HAL - Copyright (C) 2014 Uladzimir Pylinsky aka barthess + + 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. +*/ +/* + SDRAM routines added by Nick Klimov aka progfin. + */ + +/** + * @file hal_sdram.h + * @brief SDRAM Driver subsystem low level driver header. + * + * @addtogroup SDRAM + * @{ + */ + +#ifndef HAL_SDRAM_LLD_H_ +#define HAL_SDRAM_LLD_H_ + +#include "hal_fsmc.h" + +#if (HAL_USE_SDRAM == TRUE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ +/** + * @name Configuration options + * @{ + */ + +/** + * @brief SDRAM driver enable switch. + * @details If set to @p TRUE the support for SDRAM1 is included. + */ +#if !defined(STM32_SDRAM_USE_SDRAM1) || defined(__DOXYGEN__) +#define STM32_SDRAM_USE_SDRAM1 FALSE +#else +#define STM32_SDRAM1_MAP_BASE FSMC_Bank5_MAP_BASE +#endif + +/** + * @brief SDRAM driver enable switch. + * @details If set to @p TRUE the support for SDRAM2 is included. + */ +#if !defined(STM32_SDRAM_USE_SDRAM2) || defined(__DOXYGEN__) +#define STM32_SDRAM_USE_SDRAM2 FALSE +#else +#define STM32_SDRAM2_MAP_BASE FSMC_Bank6_MAP_BASE +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if !STM32_SDRAM_USE_SDRAM1 && !STM32_SDRAM_USE_SDRAM2 +#error "SDRAM driver activated but no SDRAM peripheral assigned" +#endif + +#if (STM32_SDRAM_USE_SDRAM1 || STM32_SDRAM_USE_SDRAM2) && !STM32_HAS_FSMC +#error "FMC not present in the selected device" +#endif + +#if (defined(STM32F427xx) || defined(STM32F437xx) || \ + defined(STM32F429xx) || defined(STM32F439xx) || \ + defined(STM32F745xx) || defined(STM32F746xx) || \ + defined(STM32F756xx) || defined(STM32F767xx) || \ + defined(STM32F769xx) || defined(STM32F777xx) || \ + defined(STM32F779xx)) +#else +#error "Device is not compatible with SDRAM" +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +extern SDRAMDriver SDRAMD1; + +#ifdef __cplusplus +extern "C" { +#endif + void sdram_lld_start(SDRAMDriver *sdramp, const SDRAMConfig *cfgp); + void sdram_lld_stop(SDRAMDriver *sdramp); +#ifdef __cplusplus +} +#endif + +#endif /* STM32_SDRAM_USE_SDRAM */ + +#endif /* HAL_SDRAM_LLD_H_ */ + +/** @} */ |