Class used to drive the IS42S16400J SDRAM memory mounted on STM32F429I-Discovery board.
Dependents: DISCO-F429ZI_Gauge DISCO-F429ZI_SDRAM_demo WIRE-BANDING_FT810 WIRE-BANDING_copy
Diff: SDRAM_DISCO_F429ZI.h
- Revision:
- 0:0a443e2fe92c
- Child:
- 1:d0070c48e1b9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDRAM_DISCO_F429ZI.h Tue Jan 05 16:37:32 2016 +0000 @@ -0,0 +1,130 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef __SDRAM_DISCO_F429ZI_H +#define __SDRAM_DISCO_F429ZI_H + +#ifdef TARGET_DISCO_F429ZI + +#include "mbed.h" +#include "stm32f429i_discovery_sdram.h" + +/* + Class used to drive the IS42S16400J SDRAM memory mounted on STM32F429I-Discovery board. + + Usage: + +#include "mbed.h" +#include "SDRAM_DISCO_F429ZI.h" + +SDRAM_DISCO_F429ZI sdram; + +#define BUFFER_SIZE ((uint32_t)0x0100) +#define WRITE_READ_ADDR ((uint32_t)0x0800) + +int main() +{ + uint32_t WriteBuffer[BUFFER_SIZE]; + + // Fill buffer... + + // Write buffer + sdram.WriteData(SDRAM_DEVICE_ADDR + WRITE_READ_ADDR, WriteBuffer, BUFFER_SIZE); + + while(1) + { + } +} + +*/ +class SDRAM_DISCO_F429ZI +{ + +public: + //! Constructor + SDRAM_DISCO_F429ZI(); + + //! Destructor + ~SDRAM_DISCO_F429ZI(); + + /** + * @brief Initializes the SDRAM device. + * @param None + * @retval None + */ + void Init(void); + + /** + * @brief Programs the SDRAM device. + * @param RefreshCount: SDRAM refresh counter value + * @retval None + */ + void Initialization_sequence(uint32_t RefreshCount); + + /** + * @brief Reads an mount of data from the SDRAM memory in polling mode. + * @param uwStartAddress : Read start address + * @param pData : Pointer to data to be read + * @param uwDataSize: Size of read data from the memory + * @retval None + */ + void ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); + + /** + * @brief Reads an mount of data from the SDRAM memory in DMA mode. + * @param uwStartAddress : Read start address + * @param pData : Pointer to data to be read + * @param uwDataSize: Size of read data from the memory + * @retval None + */ + void ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); + + /** + * @brief Writes an mount of data to the SDRAM memory in polling mode. + * @param uwStartAddress : Write start address + * @param pData : Pointer to data to be written + * @param uwDataSize: Size of written data from the memory + * @retval None + */ + void WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); + + /** + * @brief Writes an mount of data to the SDRAM memory in DMA mode. + * @param uwStartAddress : Write start address + * @param pData : Pointer to data to be written + * @param uwDataSize: Size of written data from the memory + * @retval None + */ + void WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize); + + /** + * @brief Sends command to the SDRAM bank. + * @param SdramCmd: Pointer to SDRAM command structure + * @retval HAL status + */ + HAL_StatusTypeDef Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd); + +private: + +}; + +#else +#error "This class must be used with DISCO_F429ZI board only." +#endif // TARGET_DISCO_F429ZI + +#endif