Diff: PCA9532.h

Revision:

0:8dffae878f54

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCA9532.h	Sat Feb 06 06:32:14 2010 +0000
@@ -0,0 +1,55 @@
+/* MIDI class for mbed Microcontroller
+ * Copyright (c) 2008, cstyles -- Modified by Lerche for PCA9532
+ */ 
+#include "mbed.h"
+#ifndef MBED_PCA9532_H
+#define MBED_PCA9532_H
+#define INPUT0 0x00
+#define INPUT1 0x01
+#define PSC0   0x02
+#define PWM0   0x03
+#define PSC1   0x04
+#define PWM1   0x05
+#define LS0    0x06
+#define LS1    0x07
+#define LS2    0x08
+#define LS3    0x09
+
+/* Class: PCA9532
+ *  Abstraction for the LED dimmer on LPCXpresso Base Board
+ */ 
+ 
+namespace mbed {
+class PCA9532 {
+  public:
+     /* Constructor: PCA9532
+      *  Create an instance of the PCA9532 connected to specfied I2C pins, with the specified address.
+      *
+      * Variables:
+      *  sda - The I2C data pin (p28)
+      *  scl - The I2C clock pin (p27)
+      *  addr - The address of this instance (0xC0) 
+      */   
+    PCA9532 (PinName sda, PinName scl, int addr);
+     /* Function: read
+      *  Read the IO pin level
+      *
+      * Variables:
+      *  none
+      */ 
+    int read (void);
+     /* Function: write
+      *  Write the IO pin levels / Turn on LEDs
+      *
+      * Variables:
+      *  data - An in, though only the bottom 8 bits are used
+      *  command - Where to put the data. 
+      */ 
+    void write (int command, int data);
+   
+  private :   
+    I2C _i2c;
+    int _addr;
+  };
+}
+#endif
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