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

Comitter:
jimherd
Date:
Sun Nov 28 22:44:56 2010 +0000
Parent:
6:1144e6353b50
Child:
8:460f7a57725d
Commit message:

Changed in this revision

MCP23017.h Show annotated file Show diff for this revision Revisions of this file
--- a/MCP23017.h	Sun Nov 28 22:20:59 2010 +0000
+++ b/MCP23017.h	Sun Nov 28 22:44:56 2010 +0000
@@ -97,59 +97,33 @@
     void config(unsigned short dir_config, unsigned short pullup_config, unsigned short polarity_config);
 
 
-/* ******************************************************************************
+/* 
  * pinmode
  * Set units to sequential, bank0 mode
  */  
-    /**
-     */
-    void pinMode(int pin, int mode);
-    /**
-     */    
+    void pinMode(int pin, int mode); 
     void digitalWrite(int pin, int val);
-    /**
-     */    
     int  digitalRead(int pin);
 
 // These provide a more advanced mapping of the chip functionality
 // See the data sheet for more information on what they do
 
 //Returns a word with the current pin states (ie contents of the GPIO register)
-    /**
-     */
     unsigned short digitalWordRead();
 // Allows you to write a word to the GPIO register
-    /**
-     */
     void digitalWordWrite(unsigned short w);
 // Sets up the polarity mask that the MCP23017 supports
 // if set to 1, it will flip the actual pin value.
-    /**
-     */
     void inputPolarityMask(unsigned short mask);
 //Sets which pins are inputs or outputs (1 = input, 0 = output) NB Opposite to arduino's
 //definition for these
-    /**
-     */
     void inputOutputMask(unsigned short mask);
 // Allows enabling of the internal 100k pullup resisters (1 = enabled, 0 = disabled)
-    /**
-     */
     void internalPullupMask(unsigned short mask);
-    /**
-     */
     int read(void);
-    /**
-     */
     void write(int data);
-    /**
-     */    
     void writeRegister(int regAddress, unsigned char  val);
-    /**
-     */    
     void writeRegister(int regAddress, unsigned short val);
-    /**
-     */    
     int  readRegister(int regAddress);
 
 protected: