Diff: PCF8574_AddressBus.cpp

Revision:

7:8680b8b718c8

Parent:

6:aaefa04f06be

--- a/PCF8574_AddressBus.cpp	Sun Jan 25 17:30:47 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-/* PCF8574_AddressBus - Use the PCF8574 I2C Port Extender for controlling the Address Bus
- * Copyright (c) 2011 Wim Huiskamp
- *
- * Released under the MIT License: http://mbed.org/license/mit
- *
- * version 0.2 Initial Release
-*/
-#include "mbed.h"
-#include "PCF8574_AddressBus.h"
-
-/** Create an PCF8574_AddressBus object connected to the specified I2C object and using the specified deviceAddress
- *
- * @param I2C &i2c the I2C port to connect to 
- * @param char deviceAddress the address of the PCF8574
-*/
-PCF8574_AddressBus::PCF8574_AddressBus(I2C &i2c, char deviceAddress) : _i2c(i2c) {
-   _writeOpcode = deviceAddress & 0xFE; // low order bit = 0 for write
-   _readOpcode  = deviceAddress | 0x01; // low order bit = 1 for read
-   _init();
-}
-
-/** Optimised AddressBus write operation.
- * @param address the addressvalue to output on the bus
-*/
-void PCF8574_AddressBus::write(char address) {
-    char data[1];
-    
-    data[0] = address;
-    _i2c.write(_writeOpcode, data, 1);    // Write addressvalue to bus   
-}
-
-
-/** Init PCF8574_AddressBus
- * @param
- * @returns 
- */
-void PCF8574_AddressBus::_init() {
- 
-    write(0x00);
-}
\ No newline at end of file