2 FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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27 ***************************************************************************
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29 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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31 * This is a concise, step by step, 'hands on' guide that describes both *
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32 * general multitasking concepts and FreeRTOS specifics. It presents and *
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33 * explains numerous examples that are written using the FreeRTOS API. *
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34 * Full source code for all the examples is provided in an accompanying *
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37 ***************************************************************************
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38 ***************************************************************************
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40 Please ensure to read the configuration and relevant port sections of the
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41 online documentation.
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43 http://www.FreeRTOS.org - Documentation, latest information, license and
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46 http://www.SafeRTOS.com - A version that is certified for use in safety
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49 http://www.OpenRTOS.com - Commercial support, development, porting,
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50 licensing and training services.
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53 #include "FreeRTOS.h"
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54 #include "IntQueueTimer.h"
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55 #include "IntQueue.h"
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57 #define timerINTERRUPT3_FREQUENCY ( 2000UL )
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58 #define timerINTERRUPT4_FREQUENCY ( 2001UL )
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60 void vT3InterruptHandler( void );
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61 void vT4InterruptHandler( void );
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63 void __attribute__( (interrupt(ipl0), vector(_TIMER_3_VECTOR))) vT3InterruptWrapper( void );
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64 void __attribute__( (interrupt(ipl0), vector(_TIMER_4_VECTOR))) vT4InterruptWrapper( void );
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66 void vInitialiseTimerForIntQueueTest( void )
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68 /* Timer 1 is used for the tick interrupt, timer 2 is used for the high
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69 frequency interrupt test. This file therefore uses timers 3 and 4. */
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73 PR3 = ( unsigned portSHORT ) ( configPERIPHERAL_CLOCK_HZ / timerINTERRUPT3_FREQUENCY );
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75 /* Setup timer 3 interrupt priority to be above the kernel priority. */
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76 ConfigIntTimer3( T3_INT_ON | ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 ) );
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78 /* Clear the interrupt as a starting condition. */
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81 /* Enable the interrupt. */
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84 /* Start the timer. */
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88 /* Do the same for timer 4. */
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91 PR4 = ( unsigned portSHORT ) ( configPERIPHERAL_CLOCK_HZ / timerINTERRUPT4_FREQUENCY );
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93 /* Setup timer 4 interrupt priority to be above the kernel priority. */
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94 ConfigIntTimer4( T4_INT_ON | ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) );
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96 /* Clear the interrupt as a starting condition. */
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99 /* Enable the interrupt. */
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102 /* Start the timer. */
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105 /*-----------------------------------------------------------*/
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107 void vT3InterruptHandler( void )
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110 portEND_SWITCHING_ISR( xFirstTimerHandler() );
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112 /*-----------------------------------------------------------*/
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114 void vT4InterruptHandler( void )
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117 portEND_SWITCHING_ISR( xSecondTimerHandler() );
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