2 FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
7 This file is part of the FreeRTOS distribution.
9 FreeRTOS is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License (version 2) as published by the
11 Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
13 ***************************************************************************
14 >>! NOTE: The modification to the GPL is included to allow you to !<<
15 >>! distribute a combined work that includes FreeRTOS without being !<<
16 >>! obliged to provide the source code for proprietary components !<<
17 >>! outside of the FreeRTOS kernel. !<<
18 ***************************************************************************
20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
23 link: http://www.freertos.org/a00114.html
25 ***************************************************************************
27 * FreeRTOS provides completely free yet professionally developed, *
28 * robust, strictly quality controlled, supported, and cross *
29 * platform software that is more than just the market leader, it *
30 * is the industry's de facto standard. *
32 * Help yourself get started quickly while simultaneously helping *
33 * to support the FreeRTOS project by purchasing a FreeRTOS *
34 * tutorial book, reference manual, or both: *
35 * http://www.FreeRTOS.org/Documentation *
37 ***************************************************************************
39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
40 the FAQ page "My application does not run, what could be wrong?". Have you
41 defined configASSERT()?
43 http://www.FreeRTOS.org/support - In return for receiving this top quality
44 embedded software for free we request you assist our global community by
45 participating in the support forum.
47 http://www.FreeRTOS.org/training - Investing in training allows your team to
48 be as productive as possible as early as possible. Now you can receive
49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
50 Ltd, and the world's leading authority on the world's leading RTOS.
52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
61 licenses offer ticketed support, indemnification and commercial middleware.
63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
64 engineered and independently SIL3 certified version for use in safety and
65 mission critical applications that require provable dependability.
78 /*-----------------------------------------------------------
79 * Port specific definitions.
81 * The settings in this file configure FreeRTOS correctly for the
82 * given hardware and compiler.
84 * These settings should not be altered.
85 *-----------------------------------------------------------
88 /* Type definitions. */
90 #define portFLOAT float
91 #define portDOUBLE double
93 #define portSHORT short
94 #define portSTACK_TYPE uint32_t
95 #define portBASE_TYPE long
97 typedef portSTACK_TYPE StackType_t;
98 typedef long BaseType_t;
99 typedef unsigned long UBaseType_t;
102 #if( configUSE_16_BIT_TICKS == 1 )
103 typedef uint16_t TickType_t;
104 #define portMAX_DELAY ( TickType_t ) 0xffff
106 typedef uint32_t TickType_t;
107 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
109 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
110 not need to be guarded with a critical section. */
111 #define portTICK_TYPE_IS_ATOMIC 1
113 /*-----------------------------------------------------------*/
115 /* Architecture specifics. */
116 #define portSTACK_GROWTH ( -1 )
117 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
118 #define portBYTE_ALIGNMENT 8
119 /*-----------------------------------------------------------*/
122 /* Scheduler utilities. */
123 extern void vPortYield( void );
124 #define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 )
125 #define portNVIC_PENDSVSET 0x10000000
126 #define portYIELD() vPortYield()
128 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET
129 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
130 /*-----------------------------------------------------------*/
133 /* Critical section management. */
136 * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
137 * registers. r0 is clobbered.
139 #define portSET_INTERRUPT_MASK() __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY )
142 * Set basepri back to 0 without effective other registers.
143 * r0 is clobbered. FAQ: Setting BASEPRI to 0 is not a bug. Please see
144 * http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing.
146 #define portCLEAR_INTERRUPT_MASK() __set_BASEPRI( 0 )
148 extern uint32_t ulPortSetInterruptMask( void );
149 extern void vPortClearInterruptMask( uint32_t ulNewMask );
150 #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask()
151 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask( x )
154 extern void vPortEnterCritical( void );
155 extern void vPortExitCritical( void );
157 #define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK()
158 #define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK()
159 #define portENTER_CRITICAL() vPortEnterCritical()
160 #define portEXIT_CRITICAL() vPortExitCritical()
162 /*-----------------------------------------------------------*/
164 /* Task function macros as described on the FreeRTOS.org WEB site. */
165 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
166 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
174 #endif /* PORTMACRO_H */