Justin Howard / MCP23017

Basic library of routines to interface to a Microchip MCP23017 16-bit I/O expander using an I2C interface.

Dependents:   AdaFruit_RGBLCD SX1276_GPS

Fork of MCP23017 by jim herd

Diff: MCP23017.cpp

Revision:
14:c8d31c67ac27
Parent:
12:6d9d2b277f26
Child:
15:164d420bcbcf
--- a/MCP23017.cpp	Mon Nov 29 12:46:43 2010 +0000
+++ b/MCP23017.cpp	Sat Aug 02 15:00:57 2014 +0000
@@ -155,7 +155,7 @@
  * pinMode
  */
 void MCP23017::pinMode(int pin, int mode) {
-    if (DIR_INPUT) {
+    if (mode == DIR_INPUT) {
         shadow_IODIR |= 1 << pin;
     } else {
         shadow_IODIR &= ~(1 << pin);