2 FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
\r
4 This file is part of the FreeRTOS.org distribution.
\r
6 FreeRTOS.org 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.org 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.org; 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.org, 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 ***************************************************************************
\r
29 * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
\r
30 * and even write all or part of your application on your behalf. *
\r
31 * See http://www.OpenRTOS.com for details of the services we provide to *
\r
32 * expedite your project. *
\r
34 ***************************************************************************
\r
35 ***************************************************************************
\r
37 Please ensure to read the configuration and relevant port sections of the
\r
38 online documentation.
\r
40 http://www.FreeRTOS.org - Documentation, latest information, license and
\r
43 http://www.SafeRTOS.com - A version that is certified for use in safety
\r
46 http://www.OpenRTOS.com - Commercial support, development, porting,
\r
47 licensing and training services.
\r
50 #include "FreeRTOS.h"
\r
51 #include "IntQueueTimer.h"
\r
52 #include "IntQueue.h"
\r
54 #define timerINTERRUPT1_FREQUENCY ( 2000UL )
\r
55 #define timerINTERRUPT2_FREQUENCY ( 2001UL )
\r
56 #define timerPRESCALE_VALUE ( 2 )
\r
58 void vInitialiseTimerForIntQueueTest( void )
\r
60 const unsigned portSHORT usCompareMatchValue1 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT1_FREQUENCY );
\r
61 const unsigned portSHORT usCompareMatchValue2 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT2_FREQUENCY );
\r
63 /* Configure interrupt priority and level and unmask interrupt. */
\r
64 MCF_INTC0_ICR56 = ( ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 ) << 3 );
\r
65 MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK56 );
\r
67 MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF;
\r
68 MCF_PIT1_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN );
\r
69 MCF_PIT1_PMR = usCompareMatchValue1;
\r
71 MCF_INTC0_ICR57 = ( configMAX_SYSCALL_INTERRUPT_PRIORITY << 3 );
\r
72 MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK57 );
\r
74 MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF;
\r
75 MCF_PIT2_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN );
\r
76 MCF_PIT2_PMR = usCompareMatchValue2;
\r
78 /*-----------------------------------------------------------*/
\r
80 void __attribute__ ((interrupt)) __cs3_isr_interrupt_120( void )
\r
82 MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF;
\r
83 portEND_SWITCHING_ISR( xFirstTimerHandler() );
\r
85 /*-----------------------------------------------------------*/
\r
87 void __attribute__ ((interrupt)) __cs3_isr_interrupt_121( void )
\r
89 MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF;
\r
90 portEND_SWITCHING_ISR( xSecondTimerHandler() );
\r