Diff: SPI_MX25R.h

Revision:

2:f72110475fec

Parent:

1:8403da5975cb

--- a/SPI_MX25R.h	Mon Jul 20 20:45:33 2015 +0000
+++ b/SPI_MX25R.h	Thu Jul 23 17:11:27 2015 +0000
@@ -1,17 +1,58 @@
 #ifndef _SPI_MX25R_H_
 #define _SPI_MX25R_H_
-
+ 
 #include "mbed.h"
-
+ 
+/**
+ * Macronix Serial Flash Low Power Memories
+ * SPI_MX25R Series SPI-Flash Memory
+ */
+#define CS_LOW         0    // SPI CS# (Chip Select) Setting 
+#define CS_HIGH        1    // SPI CS# (Chip Select) Setting 
+#define DUMMY          0x00 // Dummy byte which can be changed to any value
 /**
- * SPI_MX25R SPI-Flash Memory
- * Macronix Serial Flash Low Power Memories
+ * MX25R Series Register Command Table. 
+ * x2 and x4 commands not currently supported with FRDM K64F platform
  */
-
+#define CMD_READ      0x03  // x1 Normal Read Data Byte 
+#define CMD_FREAD     0x0B  // x1 Fast Read Data Byte
+#define CMD_2READ     0xBB  // x2 2READ 
+#define CMD_DREAD     0x3B  // x2 DREAD 
+#define CMD_4READ     0xEB  // x4 4READ 
+#define CMD_QREAD     0x6B  // x4 QREAD 
+#define CMD_PP        0x02  // Page Program 
+#define CMD_4PP       0x38  // x4 PP
+#define CMD_SE        0x20  // 4KB Sector Erase 
+#define CMD_32KBE     0x52  // 32KB Block Erase 
+#define CMD_BE        0xD8  // 64KB Block Erase 
+#define CMD_CE        0xC7  // Chip Erase 
+#define CMD_RDSFDP    0x5A  // Read SFDP 
+#define CMD_WREN      0x06  // Write Enable 
+#define CMD_WRDI      0x04  // Write Disable
+#define CMD_RDSR      0x05  // Read Status Register 
+#define CMD_RDCR      0x15  // Read Configuration Register 
+#define CMD_WRSR      0x01  // Write Status Register
+#define CMD_PESUS     0xB0  // Program/Erase Suspend 
+#define CMD_PERES     0x30  // Program/Erase Resume
+#define CMD_DP        0xB9  // Enter Deep Power Down 
+#define CMD_SBL       0xC0  // Set Burst Length 
+#define CMD_RDID      0x9F  // Read Manufacturer and JDEC Device ID 
+#define CMD_REMS      0x90  // Read Electronic Manufacturer and Device ID
+#define CMD_RES       0xAB  // Read Electronic ID
+#define CMD_ENSO      0xB1  // Enter Secure OTP
+#define CMD_EXSO      0xC1  // Exit Secure OTP
+#define CMD_RDSCUR    0x2B  // Read Security Register
+#define CMD_WRSCUR    0x2F  // Write Security Register
+#define CMD_NOP       0x00  // No Operation
+#define CMD_RSTEN     0x66  // Reset Enable 
+#define CMD_RST       0x99  // Reset 
+#define CMD_RRE       0xFF  // Release Read Enhanced Mode
+ 
+ 
 class SPI_MX25R
 {
 public:
- /**
+/**
  * Macronix MX25R Low Power and Wide Vcc SPI-Flash Memory Family 
  *
  * @param SI/SIO0 SPI_MOSI pin
@@ -22,7 +63,7 @@
  SPI_MX25R(PinName mosi, PinName miso, PinName sclk, PinName cs) ;
  
  ~SPI_MX25R() ;
-
+ 
  SPI m_spi;
  DigitalOut m_cs ;
  int _mode ;
@@ -38,37 +79,40 @@
   
 /// Reset 
   void reset(void) ;
-
+ 
 /// Program or Erase Suspend
   void pgmersSuspend(void) ;
  
 /// Program or Erase Resume
   void pgmersResume(void) ;
-
+ 
 /// Enter Deep Power Down
   void deepPowerdown(void) ;
-
+ 
 /// Set Burst Length 
   void setBurstlength(void) ;
-
+ 
 /// Release from Read Enhanced Mode 
   void releaseReadenhaced(void) ;
-
+ 
 /// No Operation 
   void noOperation(void) ;
-
+ 
 /// Enter OTP Area 
   void enterSecureOTP(void) ;
  
 /// Exit OTP Area 
   void exitSecureOTP(void) ;
-
+ 
 /// Chip Erase
   void chipErase(void) ;
   
 /// Write Status and Configuration Reg 1 and 2
   void writeStatusreg(int addr) ;
   
+/// Write Security Reg
+  void writeSecurityreg(int addr) ;
+  
 /** Page Program
  *
  * @param int addr start address
@@ -83,31 +127,49 @@
  */
   void sectorErase(int addr) ;
   
-  /** Block Erase
+/** Block Erase
  *
  * @param int addr specify the sector to be erased
  */
   void blockErase(int addr) ;
   
-  /** 32KB Block Erase
+/** 32KB Block Erase
  *
  * @param int addr specify the sector to be erased
  */
   void blockErase32KB(int addr) ;
   
-  /** Read Status Register
+/** Read Status Register
  *
  * @returns uint8_t status register value
  */
   uint8_t readStatus(void) ;
   
-  /** Read ID
+/** Read Security Register
+ *
+ * @returns uint8_t security register value
+ */
+  uint8_t readSecurity(void) ;
+
+/** Read Manufacturer and JEDEC Device ID
  *
  * @returns uint32_t Manufacturer ID, Mem Type, Device ID
  */
   uint32_t readID(void) ;
   
-  /** Read Configuration Register
+/** Read Electronic Manufacturer and Device ID
+ *
+ * @returns uint32_t Manufacturer ID, Device ID
+ */
+  uint32_t readREMS(void) ;
+  
+/** Read Electronic ID
+ *
+ * @returns uint8_t Device ID
+ */
+  uint8_t readRES(void) ;
+  
+/** Read Configuration Register
  *
  * @returns uint32_t configuration register value
  */
@@ -117,6 +179,6 @@
   uint8_t read8(int addr) ;
   void write8(int addr, uint8_t data) ;
   private:
-
+ 
 } ;
 #endif // _SPI_MX25R_H_
\ No newline at end of file