Revision 0:4ab58ea5ecf6, committed 2014-10-04

Comitter:

yasuyuki

Date:

Sat Oct 04 12:03:05 2014 +0000

Commit message:

first release

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/M24LC64.cpp	Sat Oct 04 12:03:05 2014 +0000
@@ -0,0 +1,41 @@
+//**********************
+// M24LC64.cpp for mbed
+//
+// M24LC64 lcd(P0_5,P0_4);
+// or
+// I2C i2c(P0_5,P0_4);
+// M24LC64 lcd(i2c);
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+
+#include "mbed.h"
+#include "M24LC64.h"
+
+M24LC64::M24LC64 (PinName sda, PinName scl) : _i2c(sda, scl) {
+}
+M24LC64::M24LC64 (I2C& p_i2c) : _i2c(p_i2c) {
+}
+
+void M24LC64::put(unsigned int a, unsigned char b)
+{
+    adr.Val=a;
+    buf[0]=adr.byte.HB;
+    buf[1]=adr.byte.LB;
+    buf[2]=b;
+    _i2c.write(M24LC64_ADDR, buf, 3);
+    wait_ms(5);
+}
+
+
+unsigned char M24LC64::get(unsigned int a)
+{
+    adr.Val=a;
+    buf[0]=adr.byte.HB;
+    buf[1]=adr.byte.LB;
+    _i2c.write(M24LC64_ADDR, buf, 2, true); // no stop, repeated
+    _i2c.read( M24LC64_ADDR, buf, 1);
+    return buf[0];
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/M24LC64.h	Sat Oct 04 12:03:05 2014 +0000
@@ -0,0 +1,33 @@
+//**********************
+// M24LC64.h for mbed
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+
+#ifndef M24LC64_H_
+#define M24LC64_H_
+
+#define M24LC64_ADDR    0xA0
+
+#include "mbed.h"
+#include "typedef.h"
+
+class M24LC64{
+public:
+    M24LC64 (PinName sda, PinName scl);
+    M24LC64 (I2C& p_i2c);
+
+    void put(unsigned int a, unsigned char b);
+    unsigned char get(unsigned int a);
+
+protected:
+    I2C _i2c;
+    char buf[3];
+    WORD_VAL adr;
+
+};
+
+
+#endif /* M24LC64_H_ */
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/typedef.h	Sat Oct 04 12:03:05 2014 +0000
@@ -0,0 +1,54 @@
+//**********************
+// typedef for mbed
+//
+// Condition:
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#ifndef TYPEDEF_H
+#define TYPEDEF_H
+
+typedef unsigned char       BYTE;                           /* 8-bit unsigned  */
+typedef unsigned short int  WORD;                           /* 16-bit unsigned */
+typedef unsigned int        DWORD;                          /* 32-bit unsigned */
+typedef unsigned long long  QWORD;                          /* 64-bit unsigned */
+
+
+typedef union
+{
+    WORD Val;
+    BYTE v[2];
+    struct
+    {
+        BYTE LB;
+        BYTE HB;
+    } byte;
+} WORD_VAL;
+
+typedef union
+{
+    DWORD Val;
+    WORD w[2];
+    BYTE v[4];
+    struct
+    {
+        WORD LW;
+        WORD HW;
+    } word;
+    struct
+    {
+        BYTE LB;
+        BYTE HB;
+        BYTE UB;
+        BYTE MB;
+    } byte;
+    struct
+    {
+        WORD_VAL low;
+        WORD_VAL high;
+    }wordUnion;
+
+} DWORD_VAL;
+
+#endif /* TYPEDEF_H */