Jurica Resetar / MCP23017

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

Dependents:   acd52832_beep_buzzer_ints

Fork of MCP23017 by jim herd

Files at this revision

API Documentation at this revision

Revision 14:2e65b7f39273, committed 2016-09-23

Comitter:
jurica238814
Date:
Fri Sep 23 12:12:24 2016 +0000
Parent:
13:d57de266cf19
Commit message:
IO expander ints done.

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 
diff -r d57de266cf19 -r 2e65b7f39273 MCP23017.cpp
--- a/MCP23017.cpp	Mon Nov 29 12:46:43 2010 +0000
+++ b/MCP23017.cpp	Fri Sep 23 12:12:24 2016 +0000
@@ -19,6 +19,18 @@
 #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;

diff -r d57de266cf19 -r 2e65b7f39273 MCP23017.h
--- a/MCP23017.h	Mon Nov 29 12:46:43 2010 +0000
+++ b/MCP23017.h	Fri Sep 23 12:12:24 2016 +0000
@@ -51,6 +51,15 @@
  * @endcode
  *
  */
+ 
+     /*
+    *   Interrupt setters and getters
+    */
+    void setInt();
+    void clearInt();
+    bool getInt();
+    
+    
 class MCP23017 {
 public:
     /** Constructor for the MCP23017 connected to specified I2C pins at a specific address
@@ -106,6 +115,8 @@
     void writeRegister(int regAddress, unsigned char  val);
     void writeRegister(int regAddress, unsigned short val);
     int  readRegister(int regAddress);
+    
+
 
 /*----------------------------------------------------------------------------- 
  * pinmode