| /* | |
| FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd. | |
| All rights reserved | |
| VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
| This file is part of the FreeRTOS distribution. | |
| FreeRTOS is free software; you can redistribute it and/or modify it under | |
| the terms of the GNU General Public License (version 2) as published by the | |
| Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception. | |
| *************************************************************************** | |
| >>! NOTE: The modification to the GPL is included to allow you to !<< | |
| >>! distribute a combined work that includes FreeRTOS without being !<< | |
| >>! obliged to provide the source code for proprietary components !<< | |
| >>! outside of the FreeRTOS kernel. !<< | |
| *************************************************************************** | |
| FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY | |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| FOR A PARTICULAR PURPOSE. Full license text is available on the following | |
| link: http://www.freertos.org/a00114.html | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS provides completely free yet professionally developed, * | |
| * robust, strictly quality controlled, supported, and cross * | |
| * platform software that is more than just the market leader, it * | |
| * is the industry's de facto standard. * | |
| * * | |
| * Help yourself get started quickly while simultaneously helping * | |
| * to support the FreeRTOS project by purchasing a FreeRTOS * | |
| * tutorial book, reference manual, or both: * | |
| * http://www.FreeRTOS.org/Documentation * | |
| * * | |
| *************************************************************************** | |
| http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading | |
| the FAQ page "My application does not run, what could be wrong?". Have you | |
| defined configASSERT()? | |
| http://www.FreeRTOS.org/support - In return for receiving this top quality | |
| embedded software for free we request you assist our global community by | |
| participating in the support forum. | |
| http://www.FreeRTOS.org/training - Investing in training allows your team to | |
| be as productive as possible as early as possible. Now you can receive | |
| FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers | |
| Ltd, and the world's leading authority on the world's leading RTOS. | |
| http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
| including FreeRTOS+Trace - an indispensable productivity tool, a DOS | |
| compatible FAT file system, and our tiny thread aware UDP/IP stack. | |
| http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. | |
| Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. | |
| http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High | |
| Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS | |
| licenses offer ticketed support, indemnification and commercial middleware. | |
| http://www.SafeRTOS.com - High Integrity Systems also provide a safety | |
| engineered and independently SIL3 certified version for use in safety and | |
| mission critical applications that require provable dependability. | |
| 1 tab == 4 spaces! | |
| */ | |
| /* | |
| * This file initialises the two timers available in the Timer32 peripheral. | |
| * | |
| * Channels 0 and 1 provide the interrupts that are used with the IntQ | |
| * standard demo tasks, which test interrupt nesting and using queues from | |
| * interrupts. | |
| */ | |
| /* Scheduler includes. */ | |
| #include "FreeRTOS.h" | |
| /* Demo includes. */ | |
| #include "IntQueueTimer.h" | |
| #include "IntQueue.h" | |
| /* The frequencies at which the two timers expire are slightly offset to ensure | |
| they don't remain synchronised. */ | |
| #define tmrTIMER_0_FREQUENCY ( 2000UL ) | |
| #define tmrTIMER_1_FREQUENCY ( 2003UL ) | |
| /* The interrupts use the FreeRTOS API so must be at or below the max syscall | |
| interrupt priority. Counter-intuitively, the higher the numeric number the | |
| lower the logical priority. http://www.freertos.org/RTOS-Cortex-M3-M4.html */ | |
| #define tmrLOWER_PRIORITY ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) | |
| #define tmrHIGHER_PRIORITY ( configMAX_SYSCALL_INTERRUPT_PRIORITY + 1 ) | |
| /*-----------------------------------------------------------*/ | |
| /* Handlers for the two timer peripherals - two channels are used in the TC0 | |
| timer. */ | |
| void vT32_0_Handler( void ); | |
| void vT32_1_Handler( void ); | |
| /*-----------------------------------------------------------*/ | |
| void vInitialiseTimerForIntQueueTest( void ) | |
| { | |
| /* Configure the timer channels. */ | |
| MAP_Timer32_initModule( TIMER32_0_MODULE, TIMER32_PRESCALER_1, TIMER32_32BIT, TIMER32_PERIODIC_MODE ); | |
| MAP_Timer32_setCount( TIMER32_0_MODULE, CS_getMCLK() / tmrTIMER_0_FREQUENCY ); | |
| MAP_Timer32_enableInterrupt( TIMER32_0_MODULE ); | |
| MAP_Timer32_startTimer( TIMER32_0_MODULE, false ); | |
| MAP_Interrupt_setPriority( INT_T32_INT1, tmrLOWER_PRIORITY ); | |
| MAP_Interrupt_enableInterrupt( INT_T32_INT1 ); | |
| MAP_Timer32_initModule( TIMER32_1_MODULE, TIMER32_PRESCALER_1, TIMER32_32BIT, TIMER32_PERIODIC_MODE ); | |
| MAP_Timer32_setCount( TIMER32_1_MODULE, CS_getMCLK() / tmrTIMER_1_FREQUENCY ); | |
| MAP_Timer32_enableInterrupt( TIMER32_1_MODULE ); | |
| MAP_Timer32_startTimer( TIMER32_1_MODULE, false ); | |
| MAP_Interrupt_setPriority( INT_T32_INT2, tmrHIGHER_PRIORITY ); | |
| MAP_Interrupt_enableInterrupt( INT_T32_INT2 ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vT32_0_Handler( void ) | |
| { | |
| MAP_Timer32_clearInterruptFlag( TIMER32_0_MODULE ); | |
| portYIELD_FROM_ISR( xFirstTimerHandler() ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vT32_1_Handler( void ) | |
| { | |
| MAP_Timer32_clearInterruptFlag( TIMER32_1_MODULE ); | |
| portYIELD_FROM_ISR( xSecondTimerHandler() ); | |
| } | |