aconno dev team / MCP23017

Basic library for MCP23017 16-bit I/O expander using an I2C interface used in aconno ACD52832 dev board.

Dependents:   tof100 gaasgjdvas LED_GAME11 tof100

Fork of MCP23017 by jim herd

Files at this revision

API Documentation at this revision

Revision 14:1834cdf54c8f, committed 2016-09-26

Comitter:
Anunnaki
Date:
Mon Sep 26 10:08:33 2016 +0000
Parent:
13:d57de266cf19
Commit message:
Added interrupt flags

Changed in this revision

MCP23017.cpp Show annotated file Show diff for this revision Revisions of this file
MCP23017.h Show annotated file Show diff for this revision Revisions of this file 
--- a/MCP23017.cpp	Mon Nov 29 12:46:43 2010 +0000
+++ b/MCP23017.cpp	Mon Sep 26 10:08:33 2016 +0000
@@ -19,6 +19,17 @@
 #include "MCP23017.h"
 #include "mbed.h"
 
+bool interrupt = 0;
+
+void setInt(){
+    interrupt = 1;
+}
+void clearInt(){
+    interrupt = 0;
+}
+bool getInt(){
+    return interrupt;
+}
 union {
     uint8_t  value8[2];
     uint16_t value16;

--- a/MCP23017.h	Mon Nov 29 12:46:43 2010 +0000
+++ b/MCP23017.h	Mon Sep 26 10:08:33 2016 +0000
@@ -42,6 +42,13 @@
 #define     DIR_OUTPUT      0
 #define     DIR_INPUT       1
 
+/*
+ *   Interrupt setters and getters
+ */
+void setInt();
+void clearInt();
+bool getInt();
+    
 /** MCP23017 class
  *
  * Allow access to an I2C connected MCP23017 16-bit I/O extender chip
@@ -50,7 +57,7 @@
  *      MCP23017     *par_port; 
  * @endcode
  *
- */
+ */    
 class MCP23017 {
 public:
     /** Constructor for the MCP23017 connected to specified I2C pins at a specific address