simple MCP4XXX digital potentiometer library

datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22060b.pdf

Revision:
1:d0bc73e899a3
Parent:
0:dc2196d5163f
Child:
2:314126c6d325
--- a/MCP4XXX.h	Wed Nov 27 06:42:37 2013 +0000
+++ b/MCP4XXX.h	Wed Nov 27 07:13:25 2013 +0000
@@ -3,8 +3,8 @@
 
 #include "mbed.h"
 
-#define P0 0x00
-#define P1 0x10
+#define P0_ADDR 0x00
+#define P1_ADDR 0x10
 
 class MCP4XXX {