| /* | |
| FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. | |
| All rights reserved | |
| VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS provides completely free yet professionally developed, * | |
| * robust, strictly quality controlled, supported, and cross * | |
| * platform software that has become a de facto standard. * | |
| * * | |
| * Help yourself get started quickly and support the FreeRTOS * | |
| * project by purchasing a FreeRTOS tutorial book, reference * | |
| * manual, or both from: http://www.FreeRTOS.org/Documentation * | |
| * * | |
| * Thank you! * | |
| * * | |
| *************************************************************************** | |
| 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 from 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?" * | |
| * * | |
| * http://www.FreeRTOS.org/FAQHelp.html * | |
| * * | |
| *************************************************************************** | |
| 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.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
| Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS | |
| licenses offer ticketed support, indemnification and 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! | |
| */ | |
| /* FreeRTOS includes. */ | |
| #include "FreeRTOS.h" | |
| #include "Task.h" | |
| /* Renesas driver includes. */ | |
| #include "stdint.h" | |
| #include "dev_drv.h" | |
| #include "devdrv_ostm.h" | |
| #include "devdrv_intc.h" | |
| #include "iodefine.h" | |
| #define runtimeCLOCK_SCALE_SHIFT ( 9UL ) | |
| #define runtimeOVERFLOW_BIT ( 1UL << ( 32UL - runtimeCLOCK_SCALE_SHIFT ) ) | |
| /* To make casting to the ISR prototype expected by the Renesas GIC drivers. */ | |
| typedef void (*ISR_FUNCTION)( uint32_t ); | |
| /* | |
| * The application must provide a function that configures a peripheral to | |
| * create the FreeRTOS tick interrupt, then define configSETUP_TICK_INTERRUPT() | |
| * in FreeRTOSConfig.h to call the function. This file contains a function | |
| * that is suitable for use on the Renesas RZ MPU. | |
| */ | |
| void vConfigureTickInterrupt( void ) | |
| { | |
| /* Stop the counter. */ | |
| OSTM0.OSTMnTT.BIT.OSTMnTT = 1; | |
| /* Work in interval mode. */ | |
| OSTM0.OSTMnCTL.BIT.OSTMnMD1 = OSTM_MODE_INTERVAL; | |
| /* Use interrupts after counting starts. */ | |
| OSTM0.OSTMnCTL.BIT.OSTMnMD0 = 1; | |
| /* Start value for down counter. */ | |
| OSTM0.OSTMnCMP = configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ; | |
| /* Configure the interrupt controller. */ | |
| R_INTC_RegistIntFunc( INTC_ID_OSTMI0, ( ISR_FUNCTION ) FreeRTOS_Tick_Handler ); | |
| /* Tick must be assigned the lowest interrupt priority. */ | |
| R_INTC_SetPriority( INTC_ID_OSTMI0, portLOWEST_USABLE_INTERRUPT_PRIORITY ); | |
| INTC.ICCBPR.BIT.Binarypoint = 0; | |
| R_INTC_Enable( INTC_ID_OSTMI0 ); | |
| R_OSTM_Open( DEVDRV_CH_0 ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| /* | |
| * Crude implementation of a run time counter used to measure how much time | |
| * each task spends in the Running state. | |
| */ | |
| unsigned long ulGetRunTimeCounterValue( void ) | |
| { | |
| static unsigned long ulLastCounterValue = 0UL, ulOverflows = 0; | |
| unsigned long ulValueNow; | |
| ulValueNow = OSTM1.OSTMnCNT; | |
| /* Has the value overflowed since it was last read. */ | |
| if( ulValueNow < ulLastCounterValue ) | |
| { | |
| ulOverflows++; | |
| } | |
| ulLastCounterValue = ulValueNow; | |
| /* There is no prescale on the counter, so simulate in software. */ | |
| ulValueNow >>= runtimeCLOCK_SCALE_SHIFT; | |
| ulValueNow += ( runtimeOVERFLOW_BIT * ulOverflows ); | |
| return ulValueNow; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vInitialiseRunTimeStats( void ) | |
| { | |
| /* OSTM1 is used as the run time stats counter. */ | |
| /* Stop the counter. */ | |
| OSTM1.OSTMnTT.BIT.OSTMnTT = 1; | |
| /* Work in compare mode mode. */ | |
| OSTM1.OSTMnCTL.BIT.OSTMnMD1 = OSTM_MODE_COMPARE; | |
| /* Don't use interrupts. */ | |
| OSTM1.OSTMnCTL.BIT.OSTMnMD0 = 0; | |
| /* Compare is just set to 0. */ | |
| OSTM1.OSTMnCMP = 0; | |
| R_OSTM_Open( DEVDRV_CH_1 ); | |
| } | |