Check in working IntQueueTimer.c for Zynq before overhauling to ensure it conforms to the FreeRTOS style and coding standard.
Richard Barry
11 years ago
parent
6c72f470ac
commit
d898d16c44
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/*
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FreeRTOS V8.0.0:rc1 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to distribute
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
|
||||
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo includes. */
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#include "IntQueueTimer.h"
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#include "IntQueue.h"
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/* Xilinx includes. */
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#include "xstatus.h"
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#include "xil_io.h"
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#include "xil_exception.h"
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#include "xttcps.h"
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#include "xscugic.h"
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#define tmrTIMER_0_FREQUENCY ( 2000UL )
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#define tmrTIMER_1_FREQUENCY ( 2001UL )
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#define TTC_TICK_DEVICE_ID XPAR_XTTCPS_0_DEVICE_ID
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#define TTC_TICK_INTR_ID XPAR_XTTCPS_0_INTR
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#define INTC_DEVICE_ID XPAR_SCUGIC_SINGLE_DEVICE_ID
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/*
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* Constants to set the basic operating parameters.
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* PWM_DELTA_DUTY is critical to the running time of the test. Smaller values
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* make the test run longer.
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*/
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#define TICK_TIMER_FREQ_HZ 100 /* Tick timer counter's output frequency */
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#define TICKS_PER_CHANGE_PERIOD TICK_TIMER_FREQ_HZ /* Tick signals per update */
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#define TIMERS_USED 2
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static void TickHandler(void *CallBackRef);
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static volatile uint8_t UpdateFlag; /* Flag to update the seconds counter */
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static uint32_t TickCount; /* Ticker interrupts between seconds change */
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static XTtcPs TtcPsInst[ TIMERS_USED ]; /* Timer counter instance */
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typedef struct {
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u32 OutputHz; /* Output frequency */
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u16 Interval; /* Interval value */
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u8 Prescaler; /* Prescaler value */
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u16 Options; /* Option settings */
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} TmrCntrSetup;
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static const TmrCntrSetup SettingsTable[ TIMERS_USED ] = { { tmrTIMER_0_FREQUENCY, 0, 0, XTTCPS_OPTION_INTERVAL_MODE | XTTCPS_OPTION_WAVE_DISABLE },
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{ tmrTIMER_1_FREQUENCY, 0, 0, XTTCPS_OPTION_INTERVAL_MODE | XTTCPS_OPTION_WAVE_DISABLE } };
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BaseType_t DeviceIDs[ TIMERS_USED ] = { XPAR_XTTCPS_0_DEVICE_ID, XPAR_XTTCPS_1_DEVICE_ID };
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BaseType_t InterruptIDs[ TIMERS_USED ] = { XPAR_XTTCPS_0_INTR, XPAR_XTTCPS_1_INTR };
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void vInitialiseTimerForIntQueueTest( void )
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{
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int Status;
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TmrCntrSetup *TimerSetup;
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XTtcPs *TtcPsTick;
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extern XScuGic xInterruptController;
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BaseType_t xTimer;
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XTtcPs *Timer;
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XTtcPs_Config *Config;
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for( xTimer = 0; xTimer < TIMERS_USED; xTimer++ )
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{
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TimerSetup = &( SettingsTable[ xTimer ] );
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Timer = &TtcPsInst[ xTimer ];
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/*
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* Look up the configuration based on the device identifier
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*/
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Config = XTtcPs_LookupConfig(DeviceIDs[ xTimer ]);
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configASSERT( Config );
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/*
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* Initialize the device
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*/
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Status = XTtcPs_CfgInitialize(Timer, Config, Config->BaseAddress);
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configASSERT(Status == XST_SUCCESS);
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/*
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* Stop the timer first
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*/
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XTtcPs_Stop( Timer );
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/*
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* Set the options
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*/
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XTtcPs_SetOptions(Timer, TimerSetup->Options);
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/*
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* Timer frequency is preset in the TimerSetup structure,
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* however, the value is not reflected in its other fields, such as
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* IntervalValue and PrescalerValue. The following call will map the
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* frequency to the interval and prescaler values.
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*/
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XTtcPs_CalcIntervalFromFreq(Timer, TimerSetup->OutputHz,
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&(TimerSetup->Interval), &(TimerSetup->Prescaler));
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/*
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* Set the interval and prescale
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*/
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XTtcPs_SetInterval(Timer, TimerSetup->Interval);
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XTtcPs_SetPrescaler(Timer, TimerSetup->Prescaler);
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/*
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* Connect to the interrupt controller
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*/
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Status = XScuGic_Connect(&xInterruptController, InterruptIDs[ xTimer ], (Xil_InterruptHandler)TickHandler, (void *)Timer);
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configASSERT( Status == XST_SUCCESS);
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/*
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* Enable the interrupt for the Timer counter
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*/
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XScuGic_Enable(&xInterruptController, InterruptIDs[ xTimer ]);
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/*
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* Enable the interrupts for the tick timer/counter
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* We only care about the interval timeout.
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*/
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XTtcPs_EnableInterrupts(Timer, XTTCPS_IXR_INTERVAL_MASK);
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/*
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* Start the tick timer/counter
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*/
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XTtcPs_Start(Timer);
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}
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}
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/*-----------------------------------------------------------*/
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void vT2InterruptHandler( void )
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{
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portEND_SWITCHING_ISR( xFirstTimerHandler() );
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}
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/*-----------------------------------------------------------*/
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void vT3InterruptHandler( void )
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{
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portEND_SWITCHING_ISR( xSecondTimerHandler() );
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}
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/*-----------------------------------------------------------*/
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volatile uint32_t ulTimer1Count = 0, ulTimer2Count = 0;
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static void TickHandler(void *CallBackRef)
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{
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uint32_t StatusEvent;
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XTtcPs *pxTtcPs = (XTtcPs *)CallBackRef;
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/*
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* Read the interrupt status, then write it back to clear the interrupt.
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*/
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StatusEvent = XTtcPs_GetInterruptStatus(pxTtcPs);
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XTtcPs_ClearInterruptStatus(pxTtcPs, StatusEvent);
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if (0 != (XTTCPS_IXR_INTERVAL_MASK & StatusEvent)) {
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if( pxTtcPs->Config.DeviceId == DeviceIDs[ 0 ] )
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{
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ulTimer1Count++;
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}
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else
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{
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ulTimer2Count++;
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}
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TickCount++;
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}
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}
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#if 0
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int SetupTimer(int DeviceID)
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{
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int Status;
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XTtcPs_Config *Config;
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XTtcPs *Timer;
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TmrCntrSetup *TimerSetup;
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TimerSetup = &SettingsTable;
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Timer = &TtcPsInst;
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/*
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* Stop the timer first
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*/
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XTtcPs_Stop( &TtcPsInst );
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/*
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* Look up the configuration based on the device identifier
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*/
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Config = XTtcPs_LookupConfig(DeviceIDs[ DeviceID ]);
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configASSERT( Config );
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/*
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* Initialize the device
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*/
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Status = XTtcPs_CfgInitialize(Timer, Config, Config->BaseAddress);
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configASSERT(Status == XST_SUCCESS);
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/*
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* Set the options
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*/
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XTtcPs_SetOptions(Timer, TimerSetup->Options);
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/*
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* Timer frequency is preset in the TimerSetup structure,
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* however, the value is not reflected in its other fields, such as
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* IntervalValue and PrescalerValue. The following call will map the
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* frequency to the interval and prescaler values.
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*/
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XTtcPs_CalcIntervalFromFreq(Timer, TimerSetup->OutputHz,
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&(TimerSetup->Interval), &(TimerSetup->Prescaler));
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/*
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* Set the interval and prescale
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*/
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XTtcPs_SetInterval(Timer, TimerSetup->Interval);
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XTtcPs_SetPrescaler(Timer, TimerSetup->Prescaler);
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return XST_SUCCESS;
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}
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#endif
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@ -0,0 +1,74 @@
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/*
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FreeRTOS V8.0.0:rc1 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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||||
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to distribute
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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||||
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||||
***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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||||
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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||||
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||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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||||
engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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||||
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1 tab == 4 spaces!
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||||
*/
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#ifndef INT_QUEUE_TIMER_H
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#define INT_QUEUE_TIMER_H
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void vInitialiseTimerForIntQueueTest( void );
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portBASE_TYPE xTimer0Handler( void );
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portBASE_TYPE xTimer1Handler( void );
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#endif
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