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@ -1,82 +1,83 @@
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/*
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FreeRTOS V8.0.0:rc2 - 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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FreeRTOS V8.0.0:rc2 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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|
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|
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 *
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* *
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* Thank you! *
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* *
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***************************************************************************
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|
|
|
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|
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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.
|
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|
|
|
|
|
|
|
|
>>! 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
|
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|
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|
|
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1 tab == 4 spaces!
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|
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***************************************************************************
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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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|
|
|
|
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|
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!
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*/
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/*
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BASIC INTERRUPT DRIVEN SERIAL PORT DRIVER FOR UART2.
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***Note*** This example uses queues to send each character into an interrupt
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service routine and out of an interrupt service routine individually. This
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is done to demonstrate queues being used in an interrupt, and to deliberately
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load the system to test the FreeRTOS port. It is *NOT* meant to be an
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example of an efficient implementation. An efficient implementation should
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use the DMA, and only use FreeRTOS API functions when enough has been
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received to warrant a task being unblocked to process the data.
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*/
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BASIC INTERRUPT DRIVEN SERIAL PORT DRIVER FOR UART2.
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***Note*** This example uses queues to send each character into an interrupt
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service routine and out of an interrupt service routine individually. This
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is done to demonstrate queues being used in an interrupt, and to deliberately
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load the system to test the FreeRTOS port. It is *NOT* meant to be an
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example of an efficient implementation. An efficient implementation should
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use the DMA, and only use FreeRTOS API functions when enough has been
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received to warrant a task being unblocked to process the data.
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include "semphr.h"
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#include "comtest2.h"
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@ -84,35 +85,104 @@
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/* Demo application includes. */
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#include "serial.h"
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/* Xilinx includes. */
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#include "xuartps.h"
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#include "xscugic.h"
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#include "xil_exception.h"
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/*-----------------------------------------------------------*/
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static XUartPs xUARTInstance;
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extern XScuGic xInterruptController;
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/*-----------------------------------------------------------*/
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static void prvISRHandler( void *pvUnused, uint32_t ulEvent, uint32_t ulUnused2 );
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/*
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* See the serial2.h header file.
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*/
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xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
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xComPortHandle xSerialPortInitMinimal( uint32_t ulWantedBaud, UBaseType_t uxQueueLength )
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{
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return NULL;
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BaseType_t xStatus;
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XUartPs_Config *pxConfig;
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/* Look up the UART configuration then initialise the dirver. */
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pxConfig = XUartPs_LookupConfig( XPAR_XUARTPS_0_DEVICE_ID );
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configASSERT( pxConfig );
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xStatus = XUartPs_CfgInitialize( &xUARTInstance, pxConfig, pxConfig->BaseAddress );
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configASSERT( xStatus == XST_SUCCESS );
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XUartPs_SetBaudRate( &xUARTInstance, ulWantedBaud );
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XUartPs_SetOperMode( &xUARTInstance, XUARTPS_OPER_MODE_NORMAL );
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return 0;
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}
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/*-----------------------------------------------------------*/
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signed portBASE_TYPE xSerialGetChar( xComPortHandle pxPort, signed char *pcRxedChar, portTickType xBlockTime )
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BaseType_t xSerialGetChar( xComPortHandle pxPort, signed char *pcRxedChar, portTickType xBlockTime )
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{
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return 0;
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TickType_t xTimeOnEntering;
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const TickType_t xDelay = 10UL / portTICK_PERIOD_MS;
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BaseType_t xReturn = 0;
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xTimeOnEntering = xTaskGetTickCount();
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do
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{
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/* Only wanting to receive one key press at a time. */
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if( XUartPs_Recv( &xUARTInstance, pcRxedChar, sizeof( pcRxedChar ) ) != 0 )
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{
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xReturn = 1;
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break;
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}
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else
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{
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vTaskDelay( xDelay );
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}
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} while( ( xTaskGetTickCount() - xTimeOnEntering ) <= xBlockTime );
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return xReturn;
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}
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/*-----------------------------------------------------------*/
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void vSerialPutString( xComPortHandle pxPort, const signed char * const pcString, unsigned short usStringLength )
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{
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static const xTxDelay = 10UL / portTICK_PERIOD_MS;
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uint32_t ulBytesSent = 0UL;
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( void ) pxPort;
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while( ulBytesSent < usStringLength )
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{
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ulBytesSent += XUartPs_Send( &xUARTInstance, pcString + ulBytesSent, usStringLength - ulBytesSent );
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while( XUartPs_IsSending( &xUARTInstance ) )
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{
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vTaskDelay( xTxDelay );
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}
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}
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}
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/*-----------------------------------------------------------*/
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signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, portTickType xBlockTime )
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{
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static const xTxDelay = 10UL / portTICK_PERIOD_MS;
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XUartPs_Send( &xUARTInstance, &cOutChar, sizeof( cOutChar ) );
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while( XUartPs_IsSending( &xUARTInstance ) )
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{
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vTaskDelay( xTxDelay );
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}
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return 0;
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}
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/*-----------------------------------------------------------*/
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void vSerialClose( xComPortHandle xPort )
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void vSerialClose(xComPortHandle xPort)
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{
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/* Not supported as not required by the demo application. */
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}
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Richard Barry
11 years ago