mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-05-07 21:59:03 -04:00
ab964f3c9d
+ Introduced API function xTaskResumeFromISR(). Same functionality as xTaskResume(), but can be called from within an interrupt service routine. + Optimised vListInsert() in the case when the wake time is the maximum tick count value. + Bug fix: The 'value' of the event list item is updated when the priority of a task is changed. Previously only the priority of the TCB itself was changed. + vTaskPrioritySet() and vTaskResume() no longer use the event list item. This has not been necessary since V4.0.1 when the xMissedYield handling was added. + Lowered the PCLK setting on the ARM9 STR9 demo from 96MHz to 48MHz. + When ending the scheduler - do not try to attempt a context switch when deleting the current task. + SAM7X EMAC drivers: Corrected the Rx frame length mask when obtaining the length from the rx descriptor.
121 lines
3.9 KiB
C
121 lines
3.9 KiB
C
/*
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FreeRTOS.org V4.0.5 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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See http://www.FreeRTOS.org for documentation, latest information, license
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and contact details. Please ensure to read the configuration and relevant
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port sections of the online documentation.
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***************************************************************************
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "portable.h"
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/* Demo app includes. */
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#include "partest.h"
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/* Hardware specific definitions. */
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#include "AT91R40008.h"
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#include "pio.h"
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#include "aic.h"
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#define partstNUM_LEDS ( 8 )
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#define partstALL_OUTPUTS_OFF ( ( unsigned portLONG ) ~(0xFFFFFFFF << partstNUM_LEDS) )
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static unsigned portLONG ulLEDReg;
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/*-----------------------------------------------------------
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* Simple parallel port IO routines.
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*-----------------------------------------------------------*/
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static void SetLeds (unsigned int leds)
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{
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unsigned portLONG ulPIOSetReg, ulPIOClearReg;
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/* LEDs are grouped in different port bits: P3-P6 and P16-P19.
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A port bit set to '0' turns an LED on, '1' turns it off. */
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ulPIOSetReg = ( (leds & 0xF) << 16 ) | ( (leds & 0xF0) >> 1 );
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ulPIOClearReg = (~ulPIOSetReg) & 0x000F0078;
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AT91C_BASE_PIO->PIO_SODR = ulPIOSetReg;
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AT91C_BASE_PIO->PIO_CODR = ulPIOClearReg;
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}
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* This is performed from main() as the io bits are shared with other setup
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functions. Ensure the outputs are off to start. */
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ulLEDReg = partstALL_OUTPUTS_OFF;
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/* Enable clock to PIO... */
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AT91C_BASE_PS->PS_PCER = AT91C_PS_PIO;
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/* Enable all 8 LEDs and the four switches to be controlled by PIO... */
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AT91C_BASE_PIO->PIO_PER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19 | P1 | P2 | P9 | P12;
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/* Configure all LED PIO lines for output... */
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AT91C_BASE_PIO->PIO_OER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19;
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/* Configure all switch PIO lines for input... */
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AT91C_BASE_PIO->PIO_ODR = P1 | P2 | P9 | P12;
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/* Set initial state of LEDs. */
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SetLeds( ulLEDReg );
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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/* Switch an LED on or off as requested. */
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if (uxLED < partstNUM_LEDS)
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{
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if( xValue )
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{
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ulLEDReg &= ~(1 << uxLED);
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}
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else
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{
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ulLEDReg |= (1 << uxLED);
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}
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SetLeds( ulLEDReg );
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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/* Toggle the state of the requested LED. */
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if (uxLED < partstNUM_LEDS)
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{
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ulLEDReg ^= ( 1 << uxLED );
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SetLeds( ulLEDReg );
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}
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}
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