ref: 6f14d3a3a15f85c47b1b146c5b82c21f015a4536
dir: /demos/stm32f429_disco/stm/stm32f429/stm32f429i_discovery_sdram.h/
/** ****************************************************************************** * @file stm32f429i_discovery_sdram.h * @author MCD Application Team * @version V1.0.1 * @date 28-October-2013 * @brief This file contains all the functions prototypes for the * stm324x9i_disco_sdram.c driver. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2> * * Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2 * * 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. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32429I_DISCO_SDRAM_H #define __STM32429I_DISCO_SDRAM_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f429i_discovery.h" /** @addtogroup Utilities * @{ */ /** @addtogroup STM32F4_EVAL * @{ */ /** @addtogroup STM32F429I_DISCOVERY * @{ */ /** @addtogroup STM32F429I_DISCOVERY_SDRAM * @{ */ /** @defgroup STM32429I_DISCO_SDRAM_Private_Defines * @{ */ /** * @brief FMC SDRAM Bank address */ #define SDRAM_BANK_ADDR ((uint32_t)0xD0000000) /** * @brief FMC SDRAM Memory Width */ /* #define SDRAM_MEMORY_WIDTH FMC_SDMemory_Width_8b */ #define SDRAM_MEMORY_WIDTH FMC_SDMemory_Width_16b /** * @brief FMC SDRAM CAS Latency */ /* #define SDRAM_CAS_LATENCY FMC_CAS_Latency_2 */ #define SDRAM_CAS_LATENCY FMC_CAS_Latency_3 /** * @brief FMC SDRAM Memory clock period */ #define SDCLOCK_PERIOD FMC_SDClock_Period_2 /* Default configuration used with LCD */ /* #define SDCLOCK_PERIOD FMC_SDClock_Period_3 */ /** * @brief FMC SDRAM Memory Read Burst feature */ #define SDRAM_READBURST FMC_Read_Burst_Disable /* Default configuration used with LCD */ /* #define SDRAM_READBURST FMC_Read_Burst_Enable */ /** * @brief FMC SDRAM Bank Remap */ /* #define SDRAM_BANK_REMAP */ /** * @brief Uncomment the line below if you want to use user defined Delay function * (for precise timing), otherwise default _delay_ function defined within * this driver is used (less precise timing). */ /* #define USE_Delay */ #ifdef USE_Delay #define __Delay Delay /* User can provide more timing precise __Delay function (with 10ms time base), using SysTick for example */ #else #define __Delay delay /* Default __Delay function with less precise timing */ #endif /** * @brief FMC SDRAM Mode definition register defines */ #define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000) #define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001) #define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002) #define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004) #define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000) #define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008) #define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020) #define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030) #define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000) #define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) #define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200) /** * @} */ /** @defgroup STM32429I_DISCO_SDRAM_Exported_Functions * @{ */ void SDRAM_Init(void); void SDRAM_GPIOConfig(void); void SDRAM_InitSequence(void); void SDRAM_WriteBuffer(uint32_t* pBuffer, uint32_t uwWriteAddress, uint32_t uwBufferSize); void SDRAM_ReadBuffer(uint32_t* pBuffer, uint32_t uwReadAddress, uint32_t uwBufferSize); #ifdef __cplusplus } #endif #endif /* __STM32429I_DISCO_SDRAM_H */ /** * @} */ /** * @} */ /** * @} */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/