2 FreeRTOS V5.4.1 - Copyright (C) 2009 Real Time Engineers Ltd.
\r
4 This file is part of the FreeRTOS distribution.
\r
6 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
7 the terms of the GNU General Public License (version 2) as published by the
\r
8 Free Software Foundation and modified by the FreeRTOS exception.
\r
9 **NOTE** The exception to the GPL is included to allow you to distribute a
\r
10 combined work that includes FreeRTOS without being obliged to provide the
\r
11 source code for proprietary components outside of the FreeRTOS kernel.
\r
12 Alternative commercial license and support terms are also available upon
\r
13 request. See the licensing section of http://www.FreeRTOS.org for full
\r
16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
\r
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
\r
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
\r
21 You should have received a copy of the GNU General Public License along
\r
22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
\r
23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
\r
26 ***************************************************************************
\r
28 * Looking for a quick start? Then check out the FreeRTOS eBook! *
\r
29 * See http://www.FreeRTOS.org/Documentation for details *
\r
31 ***************************************************************************
\r
35 Please ensure to read the configuration and relevant port sections of the
\r
36 online documentation.
\r
38 http://www.FreeRTOS.org - Documentation, latest information, license and
\r
41 http://www.SafeRTOS.com - A version that is certified for use in safety
\r
44 http://www.OpenRTOS.com - Commercial support, development, porting,
\r
45 licensing and training services.
\r
51 + Use scheduler suspends in place of critical sections.
\r
55 + Replaced the inb() and outb() functions with direct memory
\r
56 access. This allows the port to be built with the 20050414 build of
\r
60 #include "FreeRTOS.h"
\r
62 #include "partest.h"
\r
64 /*-----------------------------------------------------------
\r
65 * Simple parallel port IO routines.
\r
66 *-----------------------------------------------------------*/
\r
68 #define partstALL_BITS_OUTPUT ( ( unsigned portCHAR ) 0xff )
\r
69 #define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0xff )
\r
70 #define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) 7 )
\r
72 static volatile unsigned portCHAR ucCurrentOutputValue = partstALL_OUTPUTS_OFF; /*lint !e956 File scope parameters okay here. */
\r
74 /*-----------------------------------------------------------*/
\r
76 void vParTestInitialise( void )
\r
78 ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
\r
80 /* Set port B direction to outputs. Start with all output off. */
\r
81 DDRB = partstALL_BITS_OUTPUT;
\r
82 PORTB = ucCurrentOutputValue;
\r
84 /*-----------------------------------------------------------*/
\r
86 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
\r
88 unsigned portCHAR ucBit = ( unsigned portCHAR ) 1;
\r
90 if( uxLED <= partstMAX_OUTPUT_LED )
\r
96 if( xValue == pdTRUE )
\r
98 ucBit ^= ( unsigned portCHAR ) 0xff;
\r
99 ucCurrentOutputValue &= ucBit;
\r
103 ucCurrentOutputValue |= ucBit;
\r
106 PORTB = ucCurrentOutputValue;
\r
111 /*-----------------------------------------------------------*/
\r
113 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
\r
115 unsigned portCHAR ucBit;
\r
117 if( uxLED <= partstMAX_OUTPUT_LED )
\r
119 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;
\r
123 if( ucCurrentOutputValue & ucBit )
\r
125 ucCurrentOutputValue &= ~ucBit;
\r
129 ucCurrentOutputValue |= ucBit;
\r
132 PORTB = ucCurrentOutputValue;
\r