Johnny Yam / MCP4XXX

simple MCP4XXX digital potentiometer library

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

Diff: MCP4XXX.cpp

Revision:
1:d0bc73e899a3
Parent:
0:dc2196d5163f
diff -r dc2196d5163f -r d0bc73e899a3 MCP4XXX.cpp
--- a/MCP4XXX.cpp	Wed Nov 27 06:42:37 2013 +0000
+++ b/MCP4XXX.cpp	Wed Nov 27 07:13:25 2013 +0000
@@ -14,12 +14,12 @@
     delete _spi;
 }
 
-void MCP4XXX::setLevel(unsigned char lvl, bool isR0) {
+void MCP4XXX::setLevel(unsigned char lvl, bool isP0) {
     *_cs = 0;
-    if (isR0)
-        _spi->write(P0);
+    if (isP0)
+        _spi->write(P0_ADDR);
     else 
-        _spi->write(P1);
+        _spi->write(P1_ADDR);
     _spi->write(lvl);
     *_cs = 1;
     _lvl = lvl;