Difference Analysis Generated by HtmlDiff on 10/26/2004 1:34 PM  

Base file: C:\CY4632_RDK_1_21\Firmware\Source Code\RDK Mouse\port.c

Modified file: C:\CY4632_RDK_1_3\Firmware\Source Code\RDK Mouse\port.c

//--------------------------------------------------------------------------
//
// This module provides a consistent drive interface.  This is required
// when doing read-modify-writes on ports that have pull-ups or pull-downs
// on STDCPU pins.
//
//--------------------------------------------------------------------------
// $Archive: /WirelessUSB/WUSB Kits/CY4632 LS KBM RDK/DocSrc/CD_Root/Firmware/Source Code/RDK Mouse/port.c $
// $Modtime: 6/16/04 4:38p10/01/04 1:18p $
// $Revision: 910 $
//--------------------------------------------------------------------------
//
// Copyright 2003-2004, Cypress Semiconductor Corporation.
//
// This software is owned by Cypress Semiconductor Corporation (Cypress)
// and is protected by and subject to worldwide patent protection (United
// States and foreign), United States copyright laws and international 
// treaty provisions. Cypress hereby grants to licensee a personal, 
// non-exclusive, non-transferable license to copy, use, modify, create 
// derivative works of, and compile the Cypress Source Code and derivative 
// works for the sole purpose of creating custom software in support of 
// licensee product to be used only in conjunction with a Cypress integrated 
// circuit as specified in the applicable agreement. Any reproduction, 
// modification, translation, compilation, or representation of this 
// software except as specified above is prohibited without the express 
// written permission of Cypress.
//
// Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND,EXPRESS OR IMPLIED, 
// WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// Cypress reserves the right to make changes without further notice to the
// materials described herein. Cypress does not assume any liability arising
// out of the application or use of any product or circuit described herein.
// Cypress does not authorize its products for use as critical components in
// life-support systems where a malfunction or failure may reasonably be
// expected to result in significant injury to the user. The inclusion of
// Cypress’ product in a life-support systems application implies that the
// manufacturer assumes all risk of such use and in doing so indemnifies
// Cypress against all charges.
//
// Use may be limited by and subject to the applicable Cypress software
// license agreement.
//
//--------------------------------------------------------------------------


///--------------------------------------
// Included files
//--------------------------------------

#include "port.h"


//--------------------------------------
// Local Defines and Types
//--------------------------------------



//--------------------------------------
// Local Function Declarations
//--------------------------------------



//--------------------------------------
// Local Variable Definitions
//--------------------------------------

static UINT8 port0_state;


//--------------------------------------------------------------------------
// port_init
//--------------------------------------------------------------------------

void port_init(void)
{
    port0_state = 0;
}


//--------------------------------------------------------------------------
// port_drive_on
//--------------------------------------------------------------------------

void port_drive_on(PORT port, UINT8 bits)
{
    if( port == PORT0 )
    {
        port0_state |= bits;
        PRT0DR = port0_state;
    }
}


//--------------------------------------------------------------------------
// port_drive_off
//--------------------------------------------------------------------------

void port_drive_off(PORT port, UINT8 bits)
{
    if( port == PORT0 )
    {
        port0_state &= ~bits;
        PRT0DR = port0_state;
    }
}