Diff: QSPI_DISCO_F746NG.h

Revision:

0:be9d625054cd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QSPI_DISCO_F746NG.h	Mon Jan 04 15:19:45 2016 +0000
@@ -0,0 +1,141 @@
+/* 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 __QSPI_DISCO_F746NG_H
+#define __QSPI_DISCO_F746NG_H
+
+#ifdef TARGET_DISCO_F746NG
+
+#include "mbed.h"
+#include "stm32746g_discovery_qspi.h"
+
+/*
+ Class to drive the QSPI external memory (N25Q128A device)
+ present on DISCO_F746NG board.
+
+ Usage:
+
+#include "mbed.h"
+#include "QSPI_DISCO_F746NG.h"
+
+QSPI_DISCO_F746NG qspi;
+
+#define BUFFER_SIZE         ((uint32_t)32)
+#define WRITE_READ_ADDR     ((uint32_t)0x0050)
+
+int main()
+{
+    uint8_t WriteBuffer[BUFFER_SIZE] = "Hello World";
+    uint8_t ReadBuffer[BUFFER_SIZE];
+  
+    qspi.Init();
+
+    // Erase memory
+    qspi.Erase_Block(WRITE_READ_ADDR);
+    
+    // Write memory
+    qspi.Write(WriteBuffer, WRITE_READ_ADDR, 11);
+
+    // Read memory
+    qspi.Read(ReadBuffer, WRITE_READ_ADDR, 11);
+    ReadBuffer[11] = '\0';
+    printf("Buffer read [%s]\n", ReadBuffer);
+}
+
+*/
+class QSPI_DISCO_F746NG
+{
+  
+public:
+    //! Constructor
+    QSPI_DISCO_F746NG();
+
+    //! Destructor
+    ~QSPI_DISCO_F746NG();
+    
+  /**
+    * @brief  Initializes the QSPI interface.
+    * @retval QSPI memory status
+    */
+  uint8_t Init(void);
+
+  /**
+    * @brief  De-Initializes the QSPI interface.
+    * @retval QSPI memory status
+    */
+  uint8_t DeInit(void);
+
+  /**
+    * @brief  Reads an amount of data from the QSPI memory.
+    * @param  pData: Pointer to data to be read
+    * @param  ReadAddr: Read start address
+    * @param  Size: Size of data to read    
+    * @retval QSPI memory status
+    */
+  uint8_t Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size);
+
+  /**
+    * @brief  Writes an amount of data to the QSPI memory.
+    * @param  pData: Pointer to data to be written
+    * @param  WriteAddr: Write start address
+    * @param  Size: Size of data to write    
+    * @retval QSPI memory status
+    */
+  uint8_t Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size);
+
+  /**
+    * @brief  Erases the specified block of the QSPI memory. 
+    * @param  BlockAddress: Block address to erase  
+    * @retval QSPI memory status
+    */
+  uint8_t Erase_Block(uint32_t BlockAddress);
+
+  /**
+    * @brief  Erases the entire QSPI memory.
+    * @retval QSPI memory status
+    */
+  uint8_t Erase_Chip(void);
+
+  /**
+    * @brief  Reads current status of the QSPI memory.
+    * @retval QSPI memory status
+    */
+  uint8_t GetStatus(void);
+
+  /**
+    * @brief  Return the configuration of the QSPI memory.
+    * @param  pInfo: pointer on the configuration structure  
+    * @retval QSPI memory status
+    */
+  uint8_t GetInfo(QSPI_Info* pInfo);
+
+  /**
+    * @brief  Configure the QSPI in memory-mapped mode
+    * @retval QSPI memory status
+    */
+  uint8_t EnableMemoryMappedMode(void);
+
+    private:
+
+};
+
+#else
+#error "This class must be used with DISCO_F746NG board only."
+#endif // TARGET_DISCO_F746NG
+
+#endif