X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FSource%2Fportable%2FRVDS%2FARM7_LPC21xx%2Fport.c;h=e8f78c01ff7c200a8a644dc61066ccc645a6ed92;hb=601e593293ff64b639cd47a60a73ee6bd6194085;hp=a8c8f5d38d950d01764d607a63e2133ca2abe3fe;hpb=bbfd7ce84c7dbf416bc358878089f3abaf895614;p=freertos diff --git a/FreeRTOS/Source/portable/RVDS/ARM7_LPC21xx/port.c b/FreeRTOS/Source/portable/RVDS/ARM7_LPC21xx/port.c index a8c8f5d38..e8f78c01f 100644 --- a/FreeRTOS/Source/portable/RVDS/ARM7_LPC21xx/port.c +++ b/FreeRTOS/Source/portable/RVDS/ARM7_LPC21xx/port.c @@ -1,75 +1,70 @@ /* - FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd. - - FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT - http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. - - *************************************************************************** - * * - * FreeRTOS tutorial books are available in pdf and paperback. * - * Complete, revised, and edited pdf reference manuals are also * - * available. * - * * - * Purchasing FreeRTOS documentation will not only help you, by * - * ensuring you get running as quickly as possible and with an * - * in-depth knowledge of how to use FreeRTOS, it will also help * - * the FreeRTOS project to continue with its mission of providing * - * professional grade, cross platform, de facto standard solutions * - * for microcontrollers - completely free of charge! * - * * - * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * - * * - * Thank you for using FreeRTOS, and thank you for your support! * - * * - *************************************************************************** + FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd. + All rights reserved + VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. 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. + Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception. - >>>>>>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. + *************************************************************************** + >>! 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. See the GNU General Public License for more - details. You should have received a copy of the GNU General Public License - and the FreeRTOS license exception along with FreeRTOS; if not it can be - viewed here: http://www.freertos.org/a00114.html and also obtained by - writing to Real Time Engineers Ltd., contact details for whom are available - on the FreeRTOS WEB site. - - 1 tab == 4 spaces! + FOR A PARTICULAR PURPOSE. Full license text is available on the following + link: http://www.freertos.org/a00114.html *************************************************************************** * * - * Having a problem? Start by reading the FAQ "My application does * - * not run, what could be wrong?" * + * FreeRTOS provides completely free yet professionally developed, * + * robust, strictly quality controlled, supported, and cross * + * platform software that is more than just the market leader, it * + * is the industry's de facto standard. * * * - * http://www.FreeRTOS.org/FAQHelp.html * + * Help yourself get started quickly while simultaneously helping * + * to support the FreeRTOS project by purchasing a FreeRTOS * + * tutorial book, reference manual, or both: * + * http://www.FreeRTOS.org/Documentation * * * *************************************************************************** + http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading + the FAQ page "My application does not run, what could be wrong?". Have you + defined configASSERT()? - http://www.FreeRTOS.org - Documentation, books, training, latest versions, - license and Real Time Engineers Ltd. contact details. + http://www.FreeRTOS.org/support - In return for receiving this top quality + embedded software for free we request you assist our global community by + participating in the support forum. + + http://www.FreeRTOS.org/training - Investing in training allows your team to + be as productive as possible as early as possible. Now you can receive + FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers + Ltd, and the world's leading authority on the world's leading RTOS. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, - including FreeRTOS+Trace - an indispensable productivity tool, and our new - fully thread aware and reentrant UDP/IP stack. - - http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High - Integrity Systems, who sell the code with commercial support, - indemnification and middleware, under the OpenRTOS brand. - - http://www.SafeRTOS.com - High Integrity Systems also provide a safety - engineered and independently SIL3 certified version for use in safety and + including FreeRTOS+Trace - an indispensable productivity tool, a DOS + compatible FAT file system, and our tiny thread aware UDP/IP stack. + + http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. + Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. + + http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High + Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS + licenses offer ticketed support, indemnification and commercial 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! */ @@ -81,25 +76,25 @@ #include "task.h" /* Constants required to setup the initial task context. */ -#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */ -#define portTHUMB_MODE_BIT ( ( portSTACK_TYPE ) 0x20 ) -#define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 4 ) -#define portNO_CRITICAL_SECTION_NESTING ( ( portSTACK_TYPE ) 0 ) +#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */ +#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 ) +#define portINSTRUCTION_SIZE ( ( StackType_t ) 4 ) +#define portNO_CRITICAL_SECTION_NESTING ( ( StackType_t ) 0 ) /* Constants required to setup the tick ISR. */ -#define portENABLE_TIMER ( ( unsigned portCHAR ) 0x01 ) +#define portENABLE_TIMER ( ( uint8_t ) 0x01 ) #define portPRESCALE_VALUE 0x00 -#define portINTERRUPT_ON_MATCH ( ( unsigned portLONG ) 0x01 ) -#define portRESET_COUNT_ON_MATCH ( ( unsigned portLONG ) 0x02 ) +#define portINTERRUPT_ON_MATCH ( ( uint32_t ) 0x01 ) +#define portRESET_COUNT_ON_MATCH ( ( uint32_t ) 0x02 ) /* Constants required to setup the VIC for the tick ISR. */ -#define portTIMER_VIC_CHANNEL ( ( unsigned portLONG ) 0x0004 ) -#define portTIMER_VIC_CHANNEL_BIT ( ( unsigned portLONG ) 0x0010 ) -#define portTIMER_VIC_ENABLE ( ( unsigned portLONG ) 0x0020 ) +#define portTIMER_VIC_CHANNEL ( ( uint32_t ) 0x0004 ) +#define portTIMER_VIC_CHANNEL_BIT ( ( uint32_t ) 0x0010 ) +#define portTIMER_VIC_ENABLE ( ( uint32_t ) 0x0020 ) /* Constants required to handle interrupts. */ -#define portTIMER_MATCH_ISR_BIT ( ( unsigned portCHAR ) 0x01 ) -#define portCLEAR_VIC_INTERRUPT ( ( unsigned portLONG ) 0 ) +#define portTIMER_MATCH_ISR_BIT ( ( uint8_t ) 0x01 ) +#define portCLEAR_VIC_INTERRUPT ( ( uint32_t ) 0 ) /*-----------------------------------------------------------*/ @@ -109,8 +104,8 @@ use the stack as per other ports. Instead a variable is used to keep track of the critical section nesting. This variable has to be stored as part of the task context and must be initialised to a non zero value. */ -#define portNO_CRITICAL_NESTING ( ( unsigned portLONG ) 0 ) -volatile unsigned portLONG ulCriticalNesting = 9999UL; +#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 ) +volatile uint32_t ulCriticalNesting = 9999UL; /*-----------------------------------------------------------*/ @@ -128,9 +123,9 @@ extern __asm void vPortStartFirstTask( void ); /* * See header file for description. */ -portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters ) +StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) { -portSTACK_TYPE *pxOriginalTOS; +StackType_t *pxOriginalTOS; /* Setup the initial stack of the task. The stack is set exactly as expected by the portRESTORE_CONTEXT() macro. @@ -146,45 +141,45 @@ portSTACK_TYPE *pxOriginalTOS; /* First on the stack is the return address - which in this case is the start of the task. The offset is added to make the return address appear as it would within an IRQ ISR. */ - *pxTopOfStack = ( portSTACK_TYPE ) pxCode + portINSTRUCTION_SIZE; + *pxTopOfStack = ( StackType_t ) pxCode + portINSTRUCTION_SIZE; pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0xaaaaaaaa; /* R14 */ + *pxTopOfStack = ( StackType_t ) 0xaaaaaaaa; /* R14 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) pxOriginalTOS; /* Stack used when task starts goes in R13. */ + *pxTopOfStack = ( StackType_t ) pxOriginalTOS; /* Stack used when task starts goes in R13. */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x12121212; /* R12 */ + *pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x11111111; /* R11 */ + *pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x10101010; /* R10 */ + *pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x09090909; /* R9 */ + *pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x08080808; /* R8 */ + *pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x07070707; /* R7 */ + *pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x06060606; /* R6 */ + *pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x05050505; /* R5 */ + *pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x04040404; /* R4 */ + *pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x03030303; /* R3 */ + *pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x02020202; /* R2 */ + *pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) 0x01010101; /* R1 */ + *pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */ pxTopOfStack--; - *pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R0 */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ pxTopOfStack--; /* The last thing onto the stack is the status register, which is set for system mode, with interrupts enabled. */ - *pxTopOfStack = ( portSTACK_TYPE ) portINITIAL_SPSR; + *pxTopOfStack = ( StackType_t ) portINITIAL_SPSR; - if( ( ( unsigned long ) pxCode & 0x01UL ) != 0x00UL ) + if( ( ( uint32_t ) pxCode & 0x01UL ) != 0x00UL ) { /* We want the task to start in thumb mode. */ *pxTopOfStack |= portTHUMB_MODE_BIT; @@ -203,7 +198,7 @@ portSTACK_TYPE *pxOriginalTOS; } /*-----------------------------------------------------------*/ -portBASE_TYPE xPortStartScheduler( void ) +BaseType_t xPortStartScheduler( void ) { /* Start the timer that generates the tick ISR. */ prvSetupTimerInterrupt(); @@ -259,7 +254,7 @@ void vPortEndScheduler( void ) static void prvSetupTimerInterrupt( void ) { -unsigned portLONG ulCompareMatch; +uint32_t ulCompareMatch; /* A 1ms tick does not require the use of the timer prescale. This is defaulted to zero but can be used if necessary. */ @@ -289,11 +284,11 @@ unsigned portLONG ulCompareMatch; scheduler is being used. */ #if configUSE_PREEMPTION == 1 { - VICVectAddr0 = ( unsigned portLONG ) vPreemptiveTick; + VICVectAddr0 = ( uint32_t ) vPreemptiveTick; } #else { - VICVectAddr0 = ( unsigned portLONG ) vNonPreemptiveTick; + VICVectAddr0 = ( uint32_t ) vNonPreemptiveTick; } #endif