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