Diff: EE25LC1024.h

Revision:

0:81848bf6dd4a

Child:

1:c389d5f4913d

Child:

2:156c427681f0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EE25LC1024.h	Fri Jun 01 12:54:02 2018 +0000
@@ -0,0 +1,74 @@
+// EE25LC1024.h
+
+#ifndef EE25LC1024_H
+#define EE25LC1024_H
+
+#include "mbed.h"
+#include <string>
+
+#define SPI_FREQ        5000000                 //Change SPI Frequency Here
+#define SPI_MODE        0                       // SPI Mode can be 0 or 3 . see data sheet
+#define SPI_NBIT        8                       // Number of bits 8.
+
+
+
+#define DUMMY_ADDR      0x00
+#define WAIT_TIME       1
+
+#define ADDR_BMASK3     0xff000000
+#define ADDR_BMASK2     0x00ff0000
+#define ADDR_BMASK1     0x0000ff00
+#define ADDR_BMASK0     0x000000ff
+
+#define ADDR_BSHIFT3    24
+#define ADDR_BSHIFT2    16
+#define ADDR_BSHIFT1    8
+#define ADDR_BSHIFT0    0
+
+
+#define     READ            0x03        //0000 0011 Read data from memory array beginning at selected address
+#define     WRITE           0x02        //0000 0010 Write data to memory array beginning at selected address
+#define     WREN            0x06        //0000 0110 Set the write enable latch (enable write operations)
+#define     WRDI            0x04        //0000 0100 Reset the write enable latch (disable write operations)
+#define     RDSR            0x05        //0000 0101 Read STATUS register
+#define     WRSR            0x01        //0000 0001 Write STATUS register
+#define     PE              0x42        //0100 0010 Page Erase – erase one page in memory array
+#define     SE              0xD8        //1101 1000 Sector Erase – erase one sector in memory array
+#define     CE              0xC7        //1100 0111 Chip Erase – erase all sectors in memory array
+#define     RDID            0xAB        //1010 1011 Release from Deep power-down and read electronic signature
+#define     DPD             0xB9        //1011 1001 Deep Power-Down mode
+#define     DUMMYBYTE       0x00        //Dummy byte for Read Operation
+
+class EE25LC1024: public SPI {
+public:
+    EE25LC1024(PinName mosi, PinName miso, PinName sclk, PinName cs);
+    
+    void deepPowerDown(void);
+    
+    
+    int readByte(int addr);                                 // takes a 24-bit (3 bytes) address and returns the data (1 byte) at that location                   
+    void readStream(int addr, char* buf, int count);        // takes a 24-bit address, reads count bytes, and stores results in buf
+    int ReleaseDPD_ReadSign(void);
+    void writeByte(int addr, int data);                     // takes a 24-bit (3 bytes) address and a byte of data to write at that location
+    void writeStream(int addr, char* buf, int count);       // write count bytes of data from buf to memory, starting at addr  
+    void writeString(int add, string str);
+    void sectorErase(int addr);
+    void pageErase(int addr);
+    void chipErase();                                       //erase all data on chip
+    uint8_t readRegister();  
+    uint8_t checkIfBusy();                                  // Check if IC is bury writing or erasing 
+    void writeRegister(uint8_t regValue);                   // Write status register or configuration register                                   
+    long raedLong(int address);                             // Read long int number
+    void writeLong(int addr, long value);                   // Write Long Integer Number
+private:
+    void writeEnable();                                     // write enable
+    void writeDisable();                                    // write disable
+    void chipEnable();                                      // chip enable
+    void chipDisable();  
+                                      // chip disable
+    
+   // SPI _spi;
+    DigitalOut _cs;
+};
+
+#endif
\ No newline at end of file