/*\r
- FreeRTOS V8.0.0:rc2 - Copyright (C) 2014 Real Time Engineers Ltd. \r
+ FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.\r
All rights reserved\r
\r
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that has become a de facto standard. *\r
- * *\r
- * Help yourself get started quickly and support the FreeRTOS *\r
- * project by purchasing a FreeRTOS tutorial book, reference *\r
- * manual, or both from: http://www.FreeRTOS.org/Documentation *\r
- * *\r
- * Thank you! *\r
- * *\r
- ***************************************************************************\r
-\r
This file is part of the FreeRTOS distribution.\r
\r
FreeRTOS is free software; you can redistribute it and/or modify it under\r
the terms of the GNU General Public License (version 2) as published by the\r
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
\r
- >>! NOTE: The modification to the GPL is included to allow you to distribute\r
- >>! a combined work that includes FreeRTOS without being obliged to provide\r
- >>! the source code for proprietary components outside of the FreeRTOS\r
- >>! kernel.\r
+ >>! NOTE: The modification to the GPL is included to allow you to !<<\r
+ >>! distribute a combined work that includes FreeRTOS without being !<<\r
+ >>! obliged to provide the source code for proprietary components !<<\r
+ >>! outside of the FreeRTOS kernel. !<<\r
\r
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
- FOR A PARTICULAR PURPOSE. Full license text is available from the following\r
+ FOR A PARTICULAR PURPOSE. Full license text is available on the following\r
link: http://www.freertos.org/a00114.html\r
\r
1 tab == 4 spaces!\r
***************************************************************************\r
* *\r
* Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong?" *\r
+ * not run, what could be wrong?". Have you defined configASSERT()? *\r
* *\r
* http://www.FreeRTOS.org/FAQHelp.html *\r
* *\r
***************************************************************************\r
\r
+ ***************************************************************************\r
+ * *\r
+ * FreeRTOS provides completely free yet professionally developed, *\r
+ * robust, strictly quality controlled, supported, and cross *\r
+ * platform software that is more than just the market leader, it *\r
+ * is the industry's de facto standard. *\r
+ * *\r
+ * Help yourself get started quickly while simultaneously helping *\r
+ * to support the FreeRTOS project by purchasing a FreeRTOS *\r
+ * tutorial book, reference manual, or both: *\r
+ * http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ ***************************************************************************\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * Investing in training allows your team to be as productive as *\r
+ * possible as early as possible, lowering your overall development *\r
+ * cost, and enabling you to bring a more robust product to market *\r
+ * earlier than would otherwise be possible. Richard Barry is both *\r
+ * the architect and key author of FreeRTOS, and so also the world's *\r
+ * leading authority on what is the world's most popular real time *\r
+ * kernel for deeply embedded MCU designs. Obtaining your training *\r
+ * from Richard ensures your team will gain directly from his in-depth *\r
+ * product knowledge and years of usage experience. Contact Real Time *\r
+ * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *\r
+ * by Richard Barry: http://www.FreeRTOS.org/contact\r
+ * *\r
+ ***************************************************************************\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * You are receiving this top quality software for free. Please play *\r
+ * fair and reciprocate by reporting any suspected issues and *\r
+ * participating in the community forum: *\r
+ * http://www.FreeRTOS.org/support *\r
+ * *\r
+ * Thank you! *\r
+ * *\r
+ ***************************************************************************\r
+\r
http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
license and Real Time Engineers Ltd. contact details.\r
\r
including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
\r
+ http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
+ Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
+\r
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
- Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and middleware.\r
+ Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
+ licenses offer ticketed support, indemnification and commercial middleware.\r
\r
http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
engineered and independently SIL3 certified version for use in safety and\r
#include "FreeRTOS.h"\r
#include "Task.h"\r
\r
+/* Xilinx includes. */\r
+#include "xscutimer.h"\r
+#include "xscugic.h"\r
+\r
+#define XSCUTIMER_CLOCK_HZ ( XPAR_CPU_CORTEXA9_0_CPU_CLK_FREQ_HZ / 2UL )\r
+\r
+static XScuTimer xTimer;\r
+\r
/*\r
* The application must provide a function that configures a peripheral to\r
* create the FreeRTOS tick interrupt, then define configSETUP_TICK_INTERRUPT()\r
* in FreeRTOSConfig.h to call the function. This file contains a function\r
- * that is suitable for use on the Renesas RZ MPU.\r
+ * that is suitable for use on the Zynq SoC.\r
*/\r
void vConfigureTickInterrupt( void )\r
{\r
+static XScuGic xInterruptController; /* Interrupt controller instance */\r
+BaseType_t xStatus;\r
+extern void FreeRTOS_Tick_Handler( void );\r
+XScuTimer_Config *pxTimerConfig;\r
+XScuGic_Config *pxGICConfig;\r
+const uint8_t ucRisingEdge = 3;\r
+\r
+ /* This function is called with the IRQ interrupt disabled, and the IRQ\r
+ interrupt should be left disabled. It is enabled automatically when the\r
+ scheduler is started. */\r
+\r
+ /* Ensure XScuGic_CfgInitialize() has been called. In this demo it has\r
+ already been called from prvSetupHardware() in main(). */\r
+ pxGICConfig = XScuGic_LookupConfig( XPAR_SCUGIC_SINGLE_DEVICE_ID );\r
+ xStatus = XScuGic_CfgInitialize( &xInterruptController, pxGICConfig, pxGICConfig->CpuBaseAddress );\r
+ configASSERT( xStatus == XST_SUCCESS );\r
+ ( void ) xStatus; /* Remove compiler warning if configASSERT() is not defined. */\r
+\r
+ /* The priority must be the lowest possible. */\r
+ XScuGic_SetPriorityTriggerType( &xInterruptController, XPAR_SCUTIMER_INTR, portLOWEST_USABLE_INTERRUPT_PRIORITY << portPRIORITY_SHIFT, ucRisingEdge );\r
+\r
+ /* Install the FreeRTOS tick handler. */\r
+ xStatus = XScuGic_Connect( &xInterruptController, XPAR_SCUTIMER_INTR, (Xil_ExceptionHandler) FreeRTOS_Tick_Handler, ( void * ) &xTimer );\r
+ configASSERT( xStatus == XST_SUCCESS );\r
+ ( void ) xStatus; /* Remove compiler warning if configASSERT() is not defined. */\r
+\r
+ /* Initialise the timer. */\r
+ pxTimerConfig = XScuTimer_LookupConfig( XPAR_SCUTIMER_DEVICE_ID );\r
+ xStatus = XScuTimer_CfgInitialize( &xTimer, pxTimerConfig, pxTimerConfig->BaseAddr );\r
+ configASSERT( xStatus == XST_SUCCESS );\r
+ ( void ) xStatus; /* Remove compiler warning if configASSERT() is not defined. */\r
+\r
+ /* Enable Auto reload mode. */\r
+ XScuTimer_EnableAutoReload( &xTimer );\r
+\r
+ /* Load the timer counter register. */\r
+ XScuTimer_LoadTimer( &xTimer, XSCUTIMER_CLOCK_HZ / configTICK_RATE_HZ );\r
+\r
+ /* Start the timer counter and then wait for it to timeout a number of\r
+ times. */\r
+ XScuTimer_Start( &xTimer );\r
+\r
+ /* Enable the interrupt for the xTimer in the interrupt controller. */\r
+ XScuGic_Enable( &xInterruptController, XPAR_SCUTIMER_INTR );\r
+\r
+ /* Enable the interrupt in the xTimer itself. */\r
+ vClearTickInterrupt();\r
+ XScuTimer_EnableInterrupt( &xTimer );\r
}\r
/*-----------------------------------------------------------*/\r
\r
-/*\r
- * Crude implementation of a run time counter used to measure how much time\r
- * each task spends in the Running state.\r
- */\r
-unsigned long ulGetRunTimeCounterValue( void )\r
+void vClearTickInterrupt( void )\r
{\r
- return 0;\r
+ XScuTimer_ClearInterruptStatus( &xTimer );\r
}\r
/*-----------------------------------------------------------*/\r
\r
-void vInitialiseRunTimeStats( void )\r
+void vApplicationIRQHandler( uint32_t ulICCIAR )\r
{\r
+extern const XScuGic_Config XScuGic_ConfigTable[];\r
+static const XScuGic_VectorTableEntry *pxVectorTable = XScuGic_ConfigTable[ XPAR_SCUGIC_SINGLE_DEVICE_ID ].HandlerTable;\r
+uint32_t ulInterruptID;\r
+const XScuGic_VectorTableEntry *pxVectorEntry;\r
+\r
+ /* Re-enable interrupts. */\r
+ __asm ( "cpsie i" );\r
+\r
+ /* The ID of the interrupt is obtained by bitwise anding the ICCIAR value\r
+ with 0x3FF. */\r
+ ulInterruptID = ulICCIAR & 0x3FFUL;\r
+ if( ulInterruptID < XSCUGIC_MAX_NUM_INTR_INPUTS )\r
+ {\r
+ /* Call the function installed in the array of installed handler functions. */\r
+ pxVectorEntry = &( pxVectorTable[ ulInterruptID ] );\r
+ pxVectorEntry->Handler( pxVectorEntry->CallBackRef );\r
+ }\r
}\r
\r
\r
projects / freertos / blobdiff