diff --git a/devLib/piFaceOld.c b/devLib/piFaceOld.c
deleted file mode 100644
index 1b1c0dd..0000000
--- a/devLib/piFaceOld.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * piFace.:
- * Arduino compatable (ish) Wiring library for the Raspberry Pi
- * Copyright (c) 2012-2013 Gordon Henderson
- *
- * This file to interface with the PiFace peripheral device which
- * has an MCP23S17 GPIO device connected via the SPI bus.
- ***********************************************************************
- * This file is part of wiringPi:
- * https://projects.drogon.net/raspberry-pi/wiringpi/
- *
- * wiringPi is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * wiringPi is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with wiringPi.
- * If not, see .
- ***********************************************************************
- */
-
-
-#include
-#include
-
-#include
-#include
-
-#include "../wiringPi/mcp23x0817.h"
-
-#include "piFace.h"
-
-#define PIFACE_SPEED 4000000
-#define PIFACE_DEVNO 0
-
-
-
-/*
- * writeByte:
- * Write a byte to a register on the MCP23S17 on the SPI bus.
- *********************************************************************************
- */
-
-static void writeByte (uint8_t reg, uint8_t data)
-{
- uint8_t spiData [4] ;
-
- spiData [0] = CMD_WRITE ;
- spiData [1] = reg ;
- spiData [2] = data ;
-
- wiringPiSPIDataRW (PIFACE_DEVNO, spiData, 3) ;
-}
-
-/*
- * readByte:
- * Read a byte from a register on the MCP23S17 on the SPI bus.
- *********************************************************************************
- */
-
-static uint8_t readByte (uint8_t reg)
-{
- uint8_t spiData [4] ;
-
- spiData [0] = CMD_READ ;
- spiData [1] = reg ;
-
- wiringPiSPIDataRW (PIFACE_DEVNO, spiData, 3) ;
-
- return spiData [2] ;
-}
-
-
-/*
- * myDigitalWrite:
- * Perform the digitalWrite function on the PiFace board
- *********************************************************************************
- */
-
-void myDigitalWrite (struct wiringPiNodeStruct *node, int pin, int value)
-{
- uint8_t mask, old ;
-
- pin -= node->pinBase ;
- mask = 1 << pin ;
- old = readByte (MCP23x17_GPIOA) ;
-
- if (value == 0)
- old &= (~mask) ;
- else
- old |= mask ;
-
- writeByte (MCP23x17_GPIOA, old) ;
-}
-
-
-/*
- * myDigitalRead:
- * Perform the digitalRead function on the PiFace board
- *********************************************************************************
- */
-
-int myDigitalRead (struct wiringPiNodeStruct *node, int pin)
-{
- uint8_t mask, reg ;
-
- mask = 1 << ((pin - node->pinBase) & 7) ;
-
- if (pin < 8)
- reg = MCP23x17_GPIOB ; // Input regsiter
- else
- reg = MCP23x17_OLATA ; // Output latch regsiter
-
- if ((readByte (reg) & mask) != 0)
- return HIGH ;
- else
- return LOW ;
-}
-
-
-/*
- * myPullUpDnControl:
- * Perform the pullUpDnControl function on the PiFace board
- *********************************************************************************
- */
-
-void myPullUpDnControl (struct wiringPiNodeStruct *node, int pin, int pud)
-{
- uint8_t mask, old ;
-
- mask = 1 << (pin - node->pinBase) ;
- old = readByte (MCP23x17_GPPUB) ;
-
- if (pud == 0)
- old &= (~mask) ;
- else
- old |= mask ;
-
- writeByte (MCP23x17_GPPUB, old) ;
-}
-
-
-/*
- * piFaceSetup
- * Setup the SPI interface and initialise the MCP23S17 chip
- * We create one node with 16 pins - each if the first 8 pins being read
- * and write - although the operations actually go to different
- * hardware ports. The top 8 let you read the state of the output register.
- *********************************************************************************
- */
-
-int piFaceSetup (const int pinBase)
-{
- int x ;
- struct wiringPiNodeStruct *node ;
-
- if ((x = wiringPiSPISetup (PIFACE_DEVNO, PIFACE_SPEED)) < 0)
- return x ;
-
-// Setup the MCP23S17
-
- writeByte (MCP23x17_IOCON, IOCON_INIT) ;
- writeByte (MCP23x17_IODIRA, 0x00) ; // Port A -> Outputs
- writeByte (MCP23x17_IODIRB, 0xFF) ; // Port B -> Inputs
-
- node = wiringPiNewNode (pinBase, 16) ;
- node->digitalRead = myDigitalRead ;
- node->digitalWrite = myDigitalWrite ;
- node->pullUpDnControl = myPullUpDnControl ;
-
- return 0 ;
-}