Diff: MemoryController.h

Revision:

0:bb348c97df44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MemoryController.h	Wed Sep 16 01:11:49 2020 +0000
@@ -0,0 +1,127 @@
+#ifndef __MemoryController_H_
+#define __MemoryController_H_
+ 
+#include "mbed.h"
+ 
+class MemoryController
+{
+    
+public:
+
+    enum Commands_e 
+    {
+        RESET           = 0xFF,
+        READADDRINIT    = 0x00,
+        READADDREND     = 0x30,
+        WRITEPAGEINIT   = 0x80,
+        WRITEPAGEEND    = 0x10,
+        ERASEBLOCKINIT  = 0x60,
+        ERASEBLOCKEND   = 0xD1
+    };
+    
+    union Data{
+        uint8_t all;
+        struct BitField_s
+        {
+            uint8_t dq1 : 1;
+            uint8_t dq2 : 1;
+            uint8_t dq3 : 1;
+            uint8_t dq4 : 1;
+            uint8_t dq5 : 1;
+            uint8_t dq6 : 1;
+            uint8_t dq7 : 1;
+            uint8_t dq8 : 1;
+        }bits;
+    };
+
+    struct DataAddress {
+        char    col1;
+        char    col2;
+        char    page;
+        char    block1;
+        char    block2;
+    } Address;
+    
+    MemoryController(DigitalOut CE,DigitalOut CLE,DigitalOut ALE,DigitalOut WE,DigitalOut RE,DigitalOut WP,PinName *DQ, DigitalIn RDY);
+ 
+    /** @brief Destructor */
+    ~MemoryController(void);
+    
+    /**
+    * @brief    Set Dq Bus to char value (8 bits) used for command writes and address writes  
+    * @param[IN]    set - Value to set DQ array to 
+    * @param[OUT]   values - Array where values are held (8 bits of 1's and 0's to set DQ)
+    */
+    void setDQ(const char set, bool *values);
+
+    /**
+    * @brief    Used at initialization of Device
+    */
+    void ResetDevice();
+    
+    void startPageRead(DataAddress &address);
+    
+    void endPageRead();
+    
+    void ReadData(char *DataOut);
+    
+    void sendPageData(char *DataIn);
+        
+    void startPageWrite(DataAddress &address);
+    
+    void endPageWrite();
+    
+    
+    /**
+    * @brief    Used to send address for block erase (3 bytes)
+    */
+    void MemoryController::WriteAddressBlock(DataAddress &address);
+
+    /**
+    * @brief    Used to send address data for read/write page (5 bytes)
+    */
+    void MemoryController::WriteAddressPage(DataAddress &address);
+    
+    
+    /**
+    * @brief        Read Page of Data (4320 bytes)
+    * @param[IN]    address -   address to read data from
+    * @param[OUT]   DataOut -   Array to write data into
+    */
+    void ReadPage(DataAddress &address, char *DataOut);
+
+    /**
+    * @brief        Program 1 page (4320 bytes)
+    * @param[IN]    adderess - address to program data to 
+    * @param[IN]    DataIn   - Array pointer to data being written into page
+    */
+    void ProgramPage(DataAddress &address, char *DataIn);
+
+    /**
+    * @brief        Earse 1 block (128 pages)
+    * @param[IN]    address -  Only row address characters for erasing block, no collumn needed  
+    * @return       0 on success, 1 on failure
+    */
+    void EraseBlock(DataAddress &address);
+    
+    void setLogicStandby();
+    
+    void setLogicBusIdle();
+    
+    void setLogicCommandInput();
+    
+    void setLogicAddressInput();
+    
+    void setLogicDataInput();
+    
+    void setLogicDataOut();
+    
+    void setLogicWriteProtect();
+    
+private:
+    PinName *m_DQ;
+    DigitalOut m_CE, m_CLE, m_ALE, m_WE, m_RE, m_WP;
+    DigitalIn m_RDY;
+};
+ 
+#endif /* __MemoryController_H_ */
\ No newline at end of file