Diff: EEPROM_24FC1025.h

Revision:

0:d6cc210c71cc

diff -r 000000000000 -r d6cc210c71cc EEPROM_24FC1025.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EEPROM_24FC1025.h	Mon Mar 13 07:03:05 2017 +0000
@@ -0,0 +1,67 @@
+/*********************************************************
+    開発理念
+        内部でバッファを持って，そのバッファに値を次々に入れていく
+        関数を作って，送信関数をつかうと送信するようにする．
+
+**********************************************************/
+
+#ifndef _24FC1025_I2C_H_
+#define _24FC1025_I2C_H_
+#include "mbed.h"
+#define  CONTROL_BYTE  0xA0
+#define  SEGMENT0 0x00
+#define  SEGMENT1 0x08//0b00001000
+/**
+*  @bref  Class to use 24FC1025 EEPROM
+*/
+class EEPROM_24FC1025{
+    public:
+        /**
+        *  @bref  EEPROM 24FC1025 Class's constructor
+        *  @param i2cBus  user's using I2C bus constructor
+        *  @param A0  A0 pin connection, HIGH:1, LOW:0
+        *  @param A1  A1 pin connection, HIGH:1, LOW:0
+        */
+        EEPROM_24FC1025(I2C &i2cBus, int A0, int A1);
+    private:
+        I2C *_i2c;
+        uint8_t uniqueAddr;
+        int page_number;
+        uint32_t size;
+        
+    public:
+        /**
+        *  @bref  check whether address can use or not
+        *  @return OK:1 NG:0
+        */
+        int checkAddr(uint32_t addr);
+        
+        /**
+        *  @bref  read bytes
+        *  @return 0:success, -1:failure
+        */
+        int read(uint32_t regAddr, uint8_t *data, int length);
+        
+        /**
+        *  @bref  write 1byte
+        *
+        */
+        int write(uint32_t regAddr, uint8_t data);
+        
+        /**
+        *  @bref  write 4 bytes
+        */
+        int write4Bytes(uint32_t regAddr, uint8_t *data);
+        
+        /**
+        *  
+        */
+        int write8Bytes(uint32_t regAddr, uint8_t *data);
+        
+        /**
+        *  @bref  write 1 page
+        */
+        int write1Page(uint32_t pageNumber, uint8_t *data);
+};
+
+#endif 
\ No newline at end of file