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Diffstat (limited to 'rtos/FreeRTOS/Source/portable/GCC/ARM_CM4F/portmacro.h')
| -rw-r--r-- | rtos/FreeRTOS/Source/portable/GCC/ARM_CM4F/portmacro.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/rtos/FreeRTOS/Source/portable/GCC/ARM_CM4F/portmacro.h b/rtos/FreeRTOS/Source/portable/GCC/ARM_CM4F/portmacro.h new file mode 100644 index 0000000..239e066 --- /dev/null +++ b/rtos/FreeRTOS/Source/portable/GCC/ARM_CM4F/portmacro.h @@ -0,0 +1,192 @@ +/* + FreeRTOS V8.0.0 - Copyright (C) 2014 Real Time Engineers Ltd. + All rights reserved + + 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 * + * * + * Thank you! * + * * + *************************************************************************** + + 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. + + >>! 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 + + 1 tab == 4 spaces! + + *************************************************************************** + * * + * Having a problem? Start by reading the FAQ "My application does * + * not run, what could be wrong?" * + * * + * http://www.FreeRTOS.org/FAQHelp.html * + * * + *************************************************************************** + + 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! +*/ + + +#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 uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL +#endif +/*-----------------------------------------------------------*/ + +/* Architecture specifics. */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +/*-----------------------------------------------------------*/ + + +/* Scheduler utilities. */ +extern void vPortYield( void ); +#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) +#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) +#define portYIELD() vPortYield() +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + +/* Critical section management. */ +extern void vPortEnterCritical( void ); +extern void vPortExitCritical( void ); +extern uint32_t ulPortSetInterruptMask( void ); +extern void vPortClearInterruptMask( uint32_t ulNewMaskValue ); +#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask(x) +#define portDISABLE_INTERRUPTS() ulPortSetInterruptMask() +#define portENABLE_INTERRUPTS() vPortClearInterruptMask(0) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() + +/*-----------------------------------------------------------*/ + +/* Task function macros as described on the FreeRTOS.org WEB site. These are +not necessary for to use this port. They are defined so the common demo files +(which build with all the ports) will build. */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) +/*-----------------------------------------------------------*/ + +/* Tickless idle/low power functionality. */ +#ifndef portSUPPRESS_TICKS_AND_SLEEP + extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ); + #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime ) +#endif +/*-----------------------------------------------------------*/ + +/* Architecture specific optimisations. */ +#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 + + /* Generic helper function. */ + __attribute__( ( always_inline ) ) static inline uint8_t ucPortCountLeadingZeros( uint32_t ulBitmap ) + { + uint8_t ucReturn; + + __asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) ); + return ucReturn; + } + + /* Check the configuration. */ + #if( configMAX_PRIORITIES > 32 ) + #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. + #endif + + /* Store/clear the ready priorities in a bit map. */ + #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) + #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) + + /*-----------------------------------------------------------*/ + + #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - ucPortCountLeadingZeros( ( uxReadyPriorities ) ) ) + +#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ + +/*-----------------------------------------------------------*/ + +#ifdef configASSERT + void vPortValidateInterruptPriority( void ); + #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority() +#endif + +/* portNOP() is not required by this port. */ +#define portNOP() + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ + |