Diff: 24LC1025.cpp

Revision:

0:8047024a08c2

Child:

1:41cf2e3bb7f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/24LC1025.cpp	Wed Nov 20 03:55:16 2019 +0000
@@ -0,0 +1,37 @@
+#include "24LC1025.h"
+// 24LC64 の書き込み、読み込みテスト
+
+//I2C  i2c(p9, p10); //p9: data, p10: clock
+
+I2CEEprom::I2CEEprom():I2C(PB_7,PB_6)
+{
+  addr = 0xA0;
+}
+I2CEEprom::I2CEEprom(PinName data, PinName clock, int address):I2C(data, clock)
+{
+  addr = address;
+}
+
+void I2CEEprom::write(unsigned int address,  unsigned char data)
+{
+    start();
+    ((I2C*)this)->write(addr);
+    ((I2C*)this)->write((address>>8));
+    ((I2C*)this)->write(address);
+    ((I2C*)this)->write(data);
+    stop();
+}
+
+unsigned char I2CEEprom::read(unsigned int address)
+{
+    unsigned char x;
+    start();
+    ((I2C*)this)->write(addr);
+    ((I2C*)this)->write((address>>8));
+    ((I2C*)this)->write(address);
+    start();
+    ((I2C*)this)->write(addr+1);
+    x = ((I2C*)this)->read(0);
+    stop();
+    return x;
+}
\ No newline at end of file