2 * FreeRTOS Kernel V10.3.0
\r
3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
\r
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
\r
6 * this software and associated documentation files (the "Software"), to deal in
\r
7 * the Software without restriction, including without limitation the rights to
\r
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
\r
9 * the Software, and to permit persons to whom the Software is furnished to do so,
\r
10 * subject to the following conditions:
\r
12 * The above copyright notice and this permission notice shall be included in all
\r
13 * copies or substantial portions of the Software.
\r
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
\r
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
\r
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
\r
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
\r
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
\r
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\r
22 * http://www.FreeRTOS.org
\r
23 * http://aws.amazon.com/freertos
\r
25 * 1 tab == 4 spaces!
\r
28 #ifndef __PORTMACRO_H__
\r
29 #define __PORTMACRO_H__
\r
31 /*-----------------------------------------------------------
\r
32 * Port specific definitions.
\r
34 * The settings in this file configure FreeRTOS correctly for the
\r
35 * given hardware and compiler.
\r
37 * These settings should not be altered.
\r
38 *-----------------------------------------------------------
\r
41 /* Type definitions. */
\r
42 #define portCHAR char
\r
43 #define portFLOAT float
\r
44 #define portDOUBLE double
\r
45 #define portLONG long
\r
46 #define portSHORT short
\r
47 #define portSTACK_TYPE uint32_t
\r
48 #define portBASE_TYPE long
\r
50 typedef portSTACK_TYPE StackType_t;
\r
51 typedef long BaseType_t;
\r
52 typedef unsigned long UBaseType_t;
\r
54 #if (configUSE_16_BIT_TICKS == 1)
\r
55 typedef uint16_t TickType_t;
\r
56 #define portMAX_DELAY (TickType_t) 0xFFFF
\r
58 typedef uint32_t TickType_t;
\r
59 #define portMAX_DELAY (TickType_t) 0xFFFFFFFFF
\r
61 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
\r
62 not need to be guarded with a critical section. */
\r
63 #define portTICK_TYPE_IS_ATOMIC 1
\r
67 /* Architecture specifics. */
\r
68 #define portSTACK_GROWTH (-1)
\r
69 #define portTICK_PERIOD_MS ((TickType_t) 1000 / configTICK_RATE_HZ)
\r
70 #define portBYTE_ALIGNMENT 8
\r
72 /* Critical section handling. */
\r
73 extern void vPortEnterCritical(void);
\r
74 extern void vPortExitCritical(void);
\r
75 #define portENTER_CRITICAL() vPortEnterCritical()
\r
76 #define portEXIT_CRITICAL() vPortExitCritical()
\r
77 #define portDISABLE_INTERRUPTS() asm( " CPSID I" )
\r
78 #define portENABLE_INTERRUPTS() asm( " CPSIE I" )
\r
80 /* Scheduler utilities. */
\r
81 #pragma SWI_ALIAS( vPortYield, 0 )
\r
82 extern void vPortYield( void );
\r
83 #define portYIELD() vPortYield()
\r
84 #define portSYS_SSIR1_REG ( * ( ( volatile uint32_t * ) 0xFFFFFFB0 ) )
\r
85 #define portSYS_SSIR1_SSKEY ( 0x7500UL )
\r
86 #define portYIELD_WITHIN_API() { portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; asm( " DSB " ); asm( " ISB " ); }
\r
87 #define portYIELD_FROM_ISR( x ) if( x != pdFALSE ){ portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; ( void ) portSYS_SSIR1_REG; }
\r
89 #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
\r
90 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
\r
93 /* Architecture specific optimisations. */
\r
94 #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
\r
96 /* Check the configuration. */
\r
97 #if( configMAX_PRIORITIES > 32 )
\r
98 #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.
\r
101 /* Store/clear the ready priorities in a bit map. */
\r
102 #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
\r
103 #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
\r
105 /*-----------------------------------------------------------*/
\r
107 #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) )
\r
109 #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
\r
112 /* Task function macros as described on the FreeRTOS.org WEB site. */
\r
113 #define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters)
\r
114 #define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters)
\r
116 #endif /* __PORTMACRO_H__ */
\r