| /* | |
| FreeRTOS V8.2.0rc1 - Copyright (C) 2014 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 | |
| 1 tab == 4 spaces! | |
| *************************************************************************** | |
| * * | |
| * Having a problem? Start by reading the FAQ "My application does * | |
| * not run, what could be wrong?". Have you defined configASSERT()? * | |
| * * | |
| * http://www.FreeRTOS.org/FAQHelp.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 * | |
| * * | |
| *************************************************************************** | |
| *************************************************************************** | |
| * * | |
| * Investing in training allows your team to be as productive as * | |
| * possible as early as possible, lowering your overall development * | |
| * cost, and enabling you to bring a more robust product to market * | |
| * earlier than would otherwise be possible. Richard Barry is both * | |
| * the architect and key author of FreeRTOS, and so also the world's * | |
| * leading authority on what is the world's most popular real time * | |
| * kernel for deeply embedded MCU designs. Obtaining your training * | |
| * from Richard ensures your team will gain directly from his in-depth * | |
| * product knowledge and years of usage experience. Contact Real Time * | |
| * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented * | |
| * by Richard Barry: http://www.FreeRTOS.org/contact | |
| * * | |
| *************************************************************************** | |
| *************************************************************************** | |
| * * | |
| * You are receiving this top quality software for free. Please play * | |
| * fair and reciprocate by reporting any suspected issues and * | |
| * participating in the community forum: * | |
| * http://www.FreeRTOS.org/support * | |
| * * | |
| * Thank you! * | |
| * * | |
| *************************************************************************** | |
| http://www.FreeRTOS.org - Documentation, books, training, latest versions, | |
| license and Real Time Engineers Ltd. contact details. | |
| 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 contains the non-portable and therefore RX64M specific parts of | |
| * the IntQueue standard demo task - namely the configuration of the timers | |
| * that generate the interrupts and the interrupt entry points. | |
| */ | |
| /* Scheduler includes. */ | |
| #include "FreeRTOS.h" | |
| #include "task.h" | |
| /* Demo includes. */ | |
| #include "IntQueueTimer.h" | |
| #include "IntQueue.h" | |
| /* Renesas includes. */ | |
| #include "r_cg_macrodriver.h" | |
| #include "RegisterWriteProtect.h" | |
| #define tmrTIMER_0_1_FREQUENCY ( 2000UL ) | |
| #define tmrTIMER_2_3_FREQUENCY ( 2001UL ) | |
| void vInitialiseTimerForIntQueueTest( void ) | |
| { | |
| /* Ensure interrupts do not start until full configuration is complete. */ | |
| portENTER_CRITICAL(); | |
| { | |
| EnablePRCR( PRC1_BIT ); | |
| /* Cascade two 8bit timer channels to generate the interrupts. | |
| 8bit timer unit 1 (TMR0 and TMR1) and 8bit timer unit 2 (TMR2 and TMR3 are | |
| utilised for this test. */ | |
| /* Enable the timers. */ | |
| SYSTEM.MSTPCRA.BIT.MSTPA5 = 0; | |
| SYSTEM.MSTPCRA.BIT.MSTPA4 = 0; | |
| /* Enable compare match A interrupt request. */ | |
| TMR0.TCR.BIT.CMIEA = 1; | |
| TMR2.TCR.BIT.CMIEA = 1; | |
| /* Clear the timer on compare match A. */ | |
| TMR0.TCR.BIT.CCLR = 1; | |
| TMR2.TCR.BIT.CCLR = 1; | |
| /* Set the compare match value. */ | |
| TMR01.TCORA = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / tmrTIMER_0_1_FREQUENCY ) -1 ) / 8 ); | |
| TMR23.TCORA = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / tmrTIMER_0_1_FREQUENCY ) -1 ) / 8 ); | |
| /* 16 bit operation ( count from timer 1,2 ). */ | |
| TMR0.TCCR.BIT.CSS = 3; | |
| TMR2.TCCR.BIT.CSS = 3; | |
| /* Use PCLK as the input. */ | |
| TMR1.TCCR.BIT.CSS = 1; | |
| TMR3.TCCR.BIT.CSS = 1; | |
| /* Divide PCLK by 8. */ | |
| TMR1.TCCR.BIT.CKS = 2; | |
| TMR3.TCCR.BIT.CKS = 2; | |
| /* Enable TMR 0, 2 interrupts. */ | |
| TMR0.TCR.BIT.CMIEA = 1; | |
| TMR2.TCR.BIT.CMIEA = 1; | |
| /* Map TMR0 CMIA0 interrupt to vector slot B number 128 and set | |
| priority above the kernel's priority, but below the max syscall | |
| priority. */ | |
| ICU.SLIBXR128.BYTE = 3; /* Three is TMR0 compare match A. */ | |
| IPR( PERIB, INTB128 ) = configMAX_SYSCALL_INTERRUPT_PRIORITY - 1; | |
| IEN( PERIB, INTB128 ) = 1; | |
| /* Ensure that the flag is set to 0, otherwise the interrupt will not be | |
| accepted. */ | |
| IR( PERIB, INTB128 ) = 0; | |
| /* Do the same for TMR2, but to vector 129. */ | |
| ICU.SLIBXR129.BYTE = 9; /* Nine is TMR2 compare match A. */ | |
| IPR( PERIB, INTB129 ) = configMAX_SYSCALL_INTERRUPT_PRIORITY - 2; | |
| IEN( PERIB, INTB129 ) = 1; | |
| IR( PERIB, INTB129 ) = 0; | |
| } | |
| portEXIT_CRITICAL(); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| #pragma interrupt ( Excep_PERIB_INTB128( vect = 128, enable ) ) | |
| void Excep_PERIB_INTB128( void ) | |
| { | |
| portYIELD_FROM_ISR( xFirstTimerHandler() ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| #pragma interrupt ( Excep_PERIB_INTB129( vect = 129, enable ) ) | |
| void Excep_PERIB_INTB129( void ) | |
| { | |
| portYIELD_FROM_ISR( xSecondTimerHandler() ); | |
| } | |