New port - still a work in progress.
Richard Barry
16 years ago
parent
395aec25ff
commit
f2114d04f2
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/*
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FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 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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***************************************************************************
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* *
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* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
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* and even write all or part of your application on your behalf. *
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* See http://www.OpenRTOS.com for details of the services we provide to *
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* expedite your project. *
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* *
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***************************************************************************
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***************************************************************************
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/* Standard includes. */
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#include <stdlib.h>
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#define portINITIAL_CRITICAL_NESTING (( portSTACK_TYPE ) 10)
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#define portPSW (( portSTACK_TYPE ) 0x00000000)
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/* We require the address of the pxCurrentTCB variable, but don't want to know
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any details of its type. */
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typedef void tskTCB;
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extern volatile tskTCB * volatile pxCurrentTCB;
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volatile portSTACK_TYPE usCriticalNesting = portINITIAL_CRITICAL_NESTING;
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/*-----------------------------------------------------------*/
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static void prvSetupTimerInterrupt( void );
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portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
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{
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*pxTopOfStack = ( portSTACK_TYPE ) pxCode; /* Task function start address */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) pxCode; /* Task function start address */
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pxTopOfStack--;
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*pxTopOfStack = portPSW; /* Initial PSW value */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x20202020; /* Initial Value of R20 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x21212121; /* Initial Value of R21 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x22222222; /* Initial Value of R22 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x23232323; /* Initial Value of R23 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x24242424; /* Initial Value of R24 */
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pxTopOfStack--;
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#if (__DATA_MODEL__ == 0) || (__DATA_MODEL__ == 1)
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*pxTopOfStack = ( portSTACK_TYPE ) 0x25252525; /* Initial Value of R25 */
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pxTopOfStack--;
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#endif /* configDATA_MODE */
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*pxTopOfStack = ( portSTACK_TYPE ) 0x26262626; /* Initial Value of R26 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x27272727; /* Initial Value of R27 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x28282828; /* Initial Value of R28 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x29292929; /* Initial Value of R29 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x30303030; /* Initial Value of R30 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x19191919; /* Initial Value of R19 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x18181818; /* Initial Value of R18 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x17171717; /* Initial Value of R17 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x16161616; /* Initial Value of R16 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x15151515; /* Initial Value of R15 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x14141414; /* Initial Value of R14 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x13131313; /* Initial Value of R13 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x12121212; /* Initial Value of R12 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x11111111; /* Initial Value of R11 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x10101010; /* Initial Value of R10 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x99999999; /* Initial Value of R09 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x88888888; /* Initial Value of R08 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x77777777; /* Initial Value of R07 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x66666666; /* Initial Value of R06 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) 0x55555555; /* Initial Value of R05 */
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pxTopOfStack--;
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#if __DATA_MODEL__ == 0 || __DATA_MODEL__ == 1
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*pxTopOfStack = ( portSTACK_TYPE ) 0x44444444; /* Initial Value of R04 */
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pxTopOfStack--;
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#endif /* configDATA_MODE */
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*pxTopOfStack = ( portSTACK_TYPE ) 0x22222222; /* Initial Value of R02 */
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R1 is expected to hold the function parameter*/
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pxTopOfStack--;
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*pxTopOfStack = ( portSTACK_TYPE ) portNO_CRITICAL_SECTION_NESTING;
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/*
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* Return a pointer to the top of the stack we have generated so this can
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* be stored in the task control block for the task.
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*/
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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portBASE_TYPE xPortStartScheduler( void )
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{
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/* Setup the hardware to generate the tick. Interrupts are disabled when
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this function is called. */
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prvSetupTimerInterrupt();
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/* Restore the context of the first task that is going to run. */
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vPortStart();
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/* Should not get here as the tasks are now running! */
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* It is unlikely that the V850ES/Fx3 port will get stopped. If required simply
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disable the tick interrupt here. */
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}
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/*-----------------------------------------------------------*/
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/*
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* Hardware initialisation to generate the RTOS tick. This uses
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*/
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static void prvSetupTimerInterrupt( void )
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{
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TM0CE = 0; /* TMM0 operation disable */
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TM0EQMK0 = 1; /* INTTM0EQ0 interrupt disable */
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TM0EQIF0 = 0; /* clear INTTM0EQ0 interrupt flag */
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/* Set INTTM0EQ0 level 5 priority */
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TM0EQIC0 &= 0xF8;
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/* TM0EQIC0 |= 0x05;*/
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TM0CTL0 = 0x00;
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TM0CMP0 = (((configCPU_CLOCK_HZ / configTICK_RATE_HZ) / 2)-1); /* divided by 2 because peripherals only run at CPU_CLOCK/2 */
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TM0EQIF0 = 0; /* clear INTTM0EQ0 interrupt flag */
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TM0EQMK0 = 0; /* INTTM0EQ0 interrupt enable */
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TM0CE = 1; /* TMM0 operation enable */
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}
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/*-----------------------------------------------------------*/
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@ -0,0 +1,330 @@
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; FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.
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;
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; This file is part of the FreeRTOS.org distribution.
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;
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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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;
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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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;
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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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;
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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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; ***************************************************************************
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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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;------------------------------------------------------------------------------
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; Note: Select the correct include files for the device used by the application.
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#include "FreeRTOSConfig.h"
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;------------------------------------------------------------------------------
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; Functions used by scheduler
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;------------------------------------------------------------------------------
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EXTERN vTaskSwitchContext
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EXTERN vTaskIncrementTick
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; Variables used by scheduler
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;------------------------------------------------------------------------------
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EXTERN pxCurrentTCB
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EXTERN usCriticalNesting
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; Functions implemented in this file
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;------------------------------------------------------------------------------
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PUBLIC vPortYield
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PUBLIC vPortStart
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; Security ID definition
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;------------------------------------------------------------------------------
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#define CG_SECURITY0 0FFH
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#define CG_SECURITY1 0FFH
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#define CG_SECURITY2 0FFH
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#define CG_SECURITY3 0FFH
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#define CG_SECURITY4 0FFH
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#define CG_SECURITY5 0FFH
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#define CG_SECURITY6 0FFH
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#define CG_SECURITY7 0FFH
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#define CG_SECURITY8 0FFH
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#define CG_SECURITY9 0FFH
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; Option Byte definitions
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;------------------------------------------------------------------------------
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#define CG_OPTION7A 0x00
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#define CG_OPTION7B 0x04
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#define OPT7C 0x00
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#define OPT7D 0x00
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#define OPT7E 0x00
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#define OPT7F 0x00
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; Tick ISR Prototype
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;------------------------------------------------------------------------------
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PUBWEAK `??MD_INTTM0EQ0??INTVEC 608`
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PUBLIC MD_INTTM0EQ0
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MD_INTTM0EQ0 SYMBOL "MD_INTTM0EQ0"
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`??MD_INTTM0EQ0??INTVEC 608` SYMBOL "??INTVEC 608", MD_INTTM0EQ0
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;------------------------------------------------------------------------------
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; portSAVE_CONTEXT MACRO
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; Saves the context of the remaining general purpose registers
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; and the usCriticalNesting Value of the active Task onto the task stack
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; saves stack pointer to the TCB
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;------------------------------------------------------------------------------
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portSAVE_CONTEXT MACRO
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#if configDATA_MODE == 1 ; Using the Tiny data model
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prepare {r20,r21,r22,r23,r24,r25,r26,r27,r28,r29,r30},76,sp ; save general purpose registers
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sst.w r19,72[ep]
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sst.w r18,68[ep]
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sst.w r17,64[ep]
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sst.w r16,60[ep]
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sst.w r15,56[ep]
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sst.w r14,52[ep]
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sst.w r13,48[ep]
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sst.w r12,44[ep]
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sst.w r11,40[ep]
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sst.w r10,36[ep]
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sst.w r9,32[ep]
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sst.w r8,28[ep]
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sst.w r7,24[ep]
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sst.w r6,20[ep]
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sst.w r5,16[ep]
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sst.w r4,12[ep]
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#else ; Using the Small/Large data model
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prepare {r20,r21,r22,r23,r24,r26,r27,r28,r29,r30},72,sp ; save general purpose registers
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sst.w r19,68[ep]
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sst.w r18,64[ep]
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sst.w r17,60[ep]
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sst.w r16,56[ep]
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sst.w r15,52[ep]
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sst.w r14,48[ep]
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sst.w r13,44[ep]
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sst.w r12,40[ep]
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sst.w r11,36[ep]
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sst.w r10,32[ep]
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sst.w r9,28[ep]
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sst.w r8,24[ep]
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sst.w r7,20[ep]
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sst.w r6,16[ep]
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sst.w r5,12[ep]
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#endif /* configDATA_MODE */
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sst.w r2,8[ep]
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sst.w r1,4[ep]
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MOVHI hi1(usCriticalNesting),r0,r1 ; save usCriticalNesting value to stack
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ld.w lw1(usCriticalNesting)[r1],r2
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sst.w r2,0[ep]
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MOVHI hi1(pxCurrentTCB),r0,r1 ; save SP to top of current TCB
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ld.w lw1(pxCurrentTCB)[r1],r2
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st.w sp,0[r2]
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ENDM
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; portRESTORE_CONTEXT MACRO
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; Gets stack pointer from the current TCB
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; Restores the context of the usCriticalNesting value and general purpose
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; registers of the selected task from the task stack
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;------------------------------------------------------------------------------
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portRESTORE_CONTEXT MACRO
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MOVHI hi1(pxCurrentTCB),r0,r1 ; get Stackpointer address
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ld.w lw1(pxCurrentTCB)[r1],sp
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MOV sp,r1
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ld.w 0[r1],sp ; load stackpointer
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MOV sp,ep ; set stack pointer to element pointer
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sld.w 0[ep],r1 ; load usCriticalNesting value from stack
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MOVHI hi1(usCriticalNesting),r0,r2
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st.w r1,lw1(usCriticalNesting)[r2]
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sld.w 4[ep],r1 ; restore general purpose registers
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sld.w 8[ep],r2
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#if configDATA_MODE == 1 ; Using Tiny data model
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sld.w 12[ep],r4
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sld.w 16[ep],r5
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sld.w 20[ep],r6
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sld.w 24[ep],r7
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sld.w 28[ep],r8
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||||||
|
sld.w 32[ep],r9
|
||||||
|
sld.w 36[ep],r10
|
||||||
|
sld.w 40[ep],r11
|
||||||
|
sld.w 44[ep],r12
|
||||||
|
sld.w 48[ep],r13
|
||||||
|
sld.w 52[ep],r14
|
||||||
|
sld.w 56[ep],r15
|
||||||
|
sld.w 60[ep],r16
|
||||||
|
sld.w 64[ep],r17
|
||||||
|
sld.w 68[ep],r18
|
||||||
|
sld.w 72[ep],r19
|
||||||
|
dispose 76,{r20,r21,r22,r23,r24,r25,r26,r27,r28,r29,r30}
|
||||||
|
#else ; Using Small/Large data model
|
||||||
|
sld.w 12[ep],r5
|
||||||
|
sld.w 16[ep],r6
|
||||||
|
sld.w 20[ep],r7
|
||||||
|
sld.w 24[ep],r8
|
||||||
|
sld.w 28[ep],r9
|
||||||
|
sld.w 32[ep],r10
|
||||||
|
sld.w 36[ep],r11
|
||||||
|
sld.w 40[ep],r12
|
||||||
|
sld.w 44[ep],r13
|
||||||
|
sld.w 48[ep],r14
|
||||||
|
sld.w 52[ep],r15
|
||||||
|
sld.w 56[ep],r16
|
||||||
|
sld.w 60[ep],r17
|
||||||
|
sld.w 64[ep],r18
|
||||||
|
sld.w 68[ep],r19
|
||||||
|
dispose 72,{r20,r21,r22,r23,r24,r26,r27,r28,r29,r30}
|
||||||
|
#endif /* configDATA_MODE */
|
||||||
|
ENDM
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
; Restore the context of the first task that is going to run.
|
||||||
|
;
|
||||||
|
; Input: NONE
|
||||||
|
;
|
||||||
|
; Call: CALL vPortStart
|
||||||
|
;
|
||||||
|
; Output: NONE
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
RSEG CODE:CODE
|
||||||
|
vPortStart:
|
||||||
|
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
||||||
|
ld.w 0[sp],lp
|
||||||
|
ldsr lp,5 ; restore PSW
|
||||||
|
DI
|
||||||
|
ld.w 4[sp],lp ; restore LP
|
||||||
|
ld.w 8[sp],lp ; restore LP
|
||||||
|
ADD 0x0C,sp ; set SP to right position
|
||||||
|
EI
|
||||||
|
jmp [lp]
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
; Port Yield function to check for a Task switch in the cooperative and
|
||||||
|
; preemptive mode
|
||||||
|
;
|
||||||
|
; Input: NONE
|
||||||
|
;
|
||||||
|
; Call: CALL vPortYield
|
||||||
|
;
|
||||||
|
; Output: NONE
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
RSEG CODE:CODE
|
||||||
|
vPortYield:
|
||||||
|
DI
|
||||||
|
ADD -0x0C,sp ; prepare stack to save necessary values
|
||||||
|
st.w lp,8[sp] ; save LP to stack
|
||||||
|
st.w lp,4[sp] ; save LP to stack
|
||||||
|
stsr 5,lp
|
||||||
|
st.w lp,0[sp] ; save PSW to stack
|
||||||
|
portSAVE_CONTEXT ; Save the context of the current task.
|
||||||
|
jarl vTaskSwitchContext,lp ; Call the scheduler.
|
||||||
|
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
||||||
|
ld.w 0[sp],lp ; restore EIPSW
|
||||||
|
ldsr lp,1
|
||||||
|
ld.w 4[sp],lp ; restore PIPC
|
||||||
|
ldsr lp,0
|
||||||
|
ld.w 8[sp],lp ; restore LP
|
||||||
|
add 0x0C,sp
|
||||||
|
RETI
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
; Perform the necessary steps of the Tick Count Increment and Task Switch
|
||||||
|
; depending on the chosen kernel configuration
|
||||||
|
;
|
||||||
|
; Input: NONE
|
||||||
|
;
|
||||||
|
; Call: ISR
|
||||||
|
;
|
||||||
|
; Output: NONE
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
#if configUSE_PREEMPTION == 1 ; use preemptive kernel mode
|
||||||
|
|
||||||
|
MD_INTTM0EQ0:
|
||||||
|
|
||||||
|
add -0x0C,sp ; prepare stack to save necessary values
|
||||||
|
st.w lp,8[sp] ; store LP to stack
|
||||||
|
stsr 0,r31
|
||||||
|
st.w lp,4[sp] ; store EIPC to stack
|
||||||
|
stsr 1,lp
|
||||||
|
st.w lp,0[sp] ; store EIPSW to stack
|
||||||
|
portSAVE_CONTEXT ; Save the context of the current task.
|
||||||
|
jarl vTaskIncrementTick,lp ; Call the timer tick function.
|
||||||
|
jarl vTaskSwitchContext,lp ; Call the scheduler.
|
||||||
|
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
||||||
|
; ... scheduler decided should run.
|
||||||
|
ld.w 0[sp],lp ; restore EIPSW from stack
|
||||||
|
ldsr lp,1
|
||||||
|
ld.w 4[sp],lp ; restore EIPC from stack
|
||||||
|
ldsr lp,0
|
||||||
|
ld.w 8[sp],lp ; restore LP from stack
|
||||||
|
add 0x0C,sp ; set SP to right position
|
||||||
|
|
||||||
|
RETI
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
#else ; use cooperative kernel mode
|
||||||
|
|
||||||
|
MD_INTTM0EQ0:
|
||||||
|
prepare {lp,ep},8,sp
|
||||||
|
sst.w r1,4[ep]
|
||||||
|
sst.w r5,0[ep]
|
||||||
|
jarl vTaskIncrementTick,lp ; Call the timer tick function.
|
||||||
|
sld.w 0[ep],r5
|
||||||
|
sld.w 4[ep],r1
|
||||||
|
dispose 8,{lp,ep}
|
||||||
|
RETI
|
||||||
|
#endif /* configUSE_PREEMPTION */
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
COMMON INTVEC:CODE:ROOT(2)
|
||||||
|
ORG 608
|
||||||
|
`??MD_INTTM0EQ0??INTVEC 608`:
|
||||||
|
JR MD_INTTM0EQ0
|
||||||
|
|
||||||
|
RSEG NEAR_ID:CONST:SORT:NOROOT(2)
|
||||||
|
`?<Initializer for usCriticalNesting>`:
|
||||||
|
DW 10
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
; set microcontroller security ID
|
||||||
|
|
||||||
|
COMMON INTVEC:CODE:ROOT(2)
|
||||||
|
ORG 70H
|
||||||
|
`SECUID`:
|
||||||
|
DB CG_SECURITY0
|
||||||
|
DB CG_SECURITY1
|
||||||
|
DB CG_SECURITY2
|
||||||
|
DB CG_SECURITY3
|
||||||
|
DB CG_SECURITY4
|
||||||
|
DB CG_SECURITY5
|
||||||
|
DB CG_SECURITY6
|
||||||
|
DB CG_SECURITY7
|
||||||
|
DB CG_SECURITY8
|
||||||
|
DB CG_SECURITY9
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
|
; set microcontroller option bytes
|
||||||
|
|
||||||
|
COMMON INTVEC:CODE:ROOT(2)
|
||||||
|
ORG 7AH
|
||||||
|
`OPTBYTES`:
|
||||||
|
DB CG_OPTION7A
|
||||||
|
DB CG_OPTION7B
|
||||||
|
DB OPT7C
|
||||||
|
DB OPT7D
|
||||||
|
DB OPT7E
|
||||||
|
DB OPT7F
|
||||||
|
|
||||||
|
END
|
||||||
@ -0,0 +1,153 @@
|
|||||||
|
/*
|
||||||
|
FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.
|
||||||
|
|
||||||
|
This file is part of the FreeRTOS.org distribution.
|
||||||
|
|
||||||
|
FreeRTOS.org is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
FreeRTOS.org 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. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with FreeRTOS.org; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
|
||||||
|
A special exception to the GPL can be applied should you wish to distribute
|
||||||
|
a combined work that includes FreeRTOS.org, without being obliged to provide
|
||||||
|
the source code for any proprietary components. See the licensing section
|
||||||
|
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||||
|
can be applied.
|
||||||
|
|
||||||
|
***************************************************************************
|
||||||
|
***************************************************************************
|
||||||
|
* *
|
||||||
|
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
|
||||||
|
* and even write all or part of your application on your behalf. *
|
||||||
|
* See http://www.OpenRTOS.com for details of the services we provide to *
|
||||||
|
* expedite your project. *
|
||||||
|
* *
|
||||||
|
***************************************************************************
|
||||||
|
***************************************************************************
|
||||||
|
|
||||||
|
Please ensure to read the configuration and relevant port sections of the
|
||||||
|
online documentation.
|
||||||
|
|
||||||
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||||
|
contact details.
|
||||||
|
|
||||||
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||||
|
critical systems.
|
||||||
|
|
||||||
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||||
|
licensing and training services.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef PORTMACRO_H
|
||||||
|
#define PORTMACRO_H
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*-----------------------------------------------------------
|
||||||
|
* Port specific definitions.
|
||||||
|
*
|
||||||
|
* The settings in this file configure FreeRTOS correctly for the
|
||||||
|
* given hardware and compiler.
|
||||||
|
*
|
||||||
|
* These settings should not be altered.
|
||||||
|
*-----------------------------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Type definitions. */
|
||||||
|
#define portCHAR char
|
||||||
|
#define portFLOAT float
|
||||||
|
#define portDOUBLE double
|
||||||
|
#define portLONG long
|
||||||
|
#define portSHORT short
|
||||||
|
#define portSTACK_TYPE unsigned int
|
||||||
|
#define portBASE_TYPE int
|
||||||
|
|
||||||
|
|
||||||
|
#if (configUSE_16_BIT_TICKS==1)
|
||||||
|
typedef unsigned portSHORT portTickType;
|
||||||
|
#define portMAX_DELAY ( portTickType ) 0xffff
|
||||||
|
#else
|
||||||
|
typedef unsigned portLONG portTickType;
|
||||||
|
#define portMAX_DELAY ( portTickType ) 0xffffffff
|
||||||
|
#endif
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Interrupt control macros. */
|
||||||
|
#define portDISABLE_INTERRUPTS() __asm ( "DI" )
|
||||||
|
#define portENABLE_INTERRUPTS() __asm ( "EI" )
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Critical section control macros. */
|
||||||
|
#define portNO_CRITICAL_SECTION_NESTING ( ( unsigned portBASE_TYPE ) 0 )
|
||||||
|
|
||||||
|
#define portENTER_CRITICAL() \
|
||||||
|
{ \
|
||||||
|
extern volatile /*unsigned portSHORT*/ portSTACK_TYPE usCriticalNesting; \
|
||||||
|
\
|
||||||
|
portDISABLE_INTERRUPTS(); \
|
||||||
|
\
|
||||||
|
/* Now interrupts are disabled ulCriticalNesting can be accessed */ \
|
||||||
|
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
|
||||||
|
/* times portENTER_CRITICAL() has been called. */ \
|
||||||
|
usCriticalNesting++; \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define portEXIT_CRITICAL() \
|
||||||
|
{ \
|
||||||
|
extern volatile /*unsigned portSHORT*/ portSTACK_TYPE usCriticalNesting; \
|
||||||
|
\
|
||||||
|
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
|
||||||
|
{ \
|
||||||
|
/* Decrement the nesting count as we are leaving a critical section. */ \
|
||||||
|
usCriticalNesting--; \
|
||||||
|
\
|
||||||
|
/* If the nesting level has reached zero then interrupts should be */ \
|
||||||
|
/* re-enabled. */ \
|
||||||
|
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
|
||||||
|
{ \
|
||||||
|
portENABLE_INTERRUPTS(); \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Task utilities. */
|
||||||
|
extern void vPortYield( void );
|
||||||
|
extern void vPortStart( void );
|
||||||
|
extern void portSAVE_CONTEXT( void );
|
||||||
|
extern void portRESTORE_CONTEXT( void );
|
||||||
|
#define portYIELD() vPortYield()
|
||||||
|
#define portNOP() __asm ( "NOP" )
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Hardwware specifics. */
|
||||||
|
#define portBYTE_ALIGNMENT 4
|
||||||
|
#define portSTACK_GROWTH ( -1 )
|
||||||
|
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||||
|
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||||
|
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||||
|
|
||||||
|
|
||||||
|
static __interrupt void MD_INTP0(void);
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* PORTMACRO_H */
|
||||||
|
|
||||||
Loading…
Reference in New Issue