2 FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
\r
4 This file is part of the FreeRTOS distribution.
\r
6 FreeRTOS is free software; you can redistribute it and/or modify
\r
7 it under the terms of the GNU General Public License as published by
\r
8 the Free Software Foundation; either version 2 of the License, or
\r
9 (at your option) any later version.
\r
11 FreeRTOS is distributed in the hope that it will be useful,
\r
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 GNU General Public License for more details.
\r
16 You should have received a copy of the GNU General Public License
\r
17 along with FreeRTOS; if not, write to the Free Software
\r
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
\r
20 A special exception to the GPL can be applied should you wish to distribute
\r
21 a combined work that includes FreeRTOS, without being obliged to provide
\r
22 the source code for any proprietary components. See the licensing section
\r
23 of http://www.FreeRTOS.org for full details of how and when the exception
\r
26 ***************************************************************************
\r
27 See http://www.FreeRTOS.org for documentation, latest information, license
\r
28 and contact details. Please ensure to read the configuration and relevant
\r
29 port sections of the online documentation.
\r
30 ***************************************************************************
\r
36 + Types used updated.
\r
37 + Add vParTestToggleLED();
\r
42 + Use scheduler suspends in place of critical sections.
\r
45 #include "FreeRTOS.h"
\r
46 #include "partest.h"
\r
49 #define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0x00 )
\r
50 #define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) 7 )
\r
52 /*lint -e956 File scope parameters okay here. */
\r
53 static unsigned portSHORT usPortAddress = partstDEFAULT_PORT_ADDRESS;
\r
54 static volatile unsigned portCHAR ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
\r
58 /*-----------------------------------------------------------
\r
59 * Simple parallel port IO routines
\r
60 *-----------------------------------------------------------*/
\r
62 void vParTestInitialise( void )
\r
64 ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
\r
66 portOUTPUT_BYTE( usPortAddress, ( unsigned ) partstALL_OUTPUTS_OFF );
\r
68 /*-----------------------------------------------------------*/
\r
70 void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
\r
72 unsigned portCHAR ucBit = ( unsigned portCHAR ) 1;
\r
74 if( uxLED <= partstMAX_OUTPUT_LED )
\r
81 if( xValue == pdTRUE )
\r
83 ucBit ^= ( unsigned portCHAR ) 0xff;
\r
84 ucCurrentOutputValue &= ucBit;
\r
88 ucCurrentOutputValue |= ucBit;
\r
91 portOUTPUT_BYTE( usPortAddress, ( unsigned ) ucCurrentOutputValue );
\r
95 /*-----------------------------------------------------------*/
\r
97 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
\r
99 unsigned portCHAR ucBit;
\r
101 if( uxLED <= partstMAX_OUTPUT_LED )
\r
103 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;
\r
107 if( ucCurrentOutputValue & ucBit )
\r
109 ucCurrentOutputValue &= ~ucBit;
\r
113 ucCurrentOutputValue |= ucBit;
\r
116 portOUTPUT_BYTE( usPortAddress, ( unsigned ) ucCurrentOutputValue );
\r