2 * FreeRTOS Kernel V11.2.0
3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * SPDX-License-Identifier: MIT
7 * Permission is hereby granted, free of charge, to any person obtaining a copy of
8 * this software and associated documentation files (the "Software"), to deal in
9 * the Software without restriction, including without limitation the rights to
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
11 * the Software, and to permit persons to whom the Software is furnished to do so,
12 * subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
19 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * https://www.FreeRTOS.org
25 * https://github.com/FreeRTOS
33 /*-----------------------------------------------------------
34 * Port specific definitions.
36 * The settings in this file configure FreeRTOS correctly for the
37 * given hardware and compiler.
39 * These settings should not be altered.
40 *-----------------------------------------------------------
43 #include <intrinsics.h>
52 /* Type definitions. */
54 #define portFLOAT float
55 #define portDOUBLE double
57 #define portSHORT short
58 #define portSTACK_TYPE uint32_t
59 #define portBASE_TYPE long
61 typedef portSTACK_TYPE StackType_t;
62 typedef long BaseType_t;
63 typedef unsigned long UBaseType_t;
66 #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
67 typedef uint16_t TickType_t;
68 #define portMAX_DELAY ( TickType_t ) 0xffff
69 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
70 typedef uint32_t TickType_t;
71 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
73 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
75 /*-----------------------------------------------------------*/
77 /* Hardware specifics. */
78 #define portSTACK_GROWTH ( -1 )
79 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
80 #define portBYTE_ALIGNMENT 8
81 #define portYIELD() asm ( "SWI 0" )
82 #define portNOP() asm ( "NOP" )
83 /*-----------------------------------------------------------*/
85 /* Critical section handling. */
86 __arm __interwork void vPortDisableInterruptsFromThumb( void );
87 __arm __interwork void vPortEnableInterruptsFromThumb( void );
88 __arm __interwork void vPortEnterCritical( void );
89 __arm __interwork void vPortExitCritical( void );
91 #define portDISABLE_INTERRUPTS() __disable_interrupt()
92 #define portENABLE_INTERRUPTS() __enable_interrupt()
93 #define portENTER_CRITICAL() vPortEnterCritical()
94 #define portEXIT_CRITICAL() vPortExitCritical()
95 /*-----------------------------------------------------------*/
98 #define portEND_SWITCHING_ISR( xSwitchRequired ) \
100 extern void vTaskSwitchContext( void ); \
102 if( xSwitchRequired ) \
104 traceISR_EXIT_TO_SCHEDULER(); \
105 vTaskSwitchContext(); \
112 /*-----------------------------------------------------------*/
115 #define portEIC_CICR_ADDR *( ( uint32_t * ) 0xFFFFF804 )
116 #define portEIC_IPR_ADDR *( ( uint32_t * ) 0xFFFFF840 )
117 #define portCLEAR_EIC() portEIC_IPR_ADDR = 0x01 << portEIC_CICR_ADDR
119 /*-----------------------------------------------------------*/
121 /* Task function macros as described on the FreeRTOS.org WEB site. */
122 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
123 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
131 #endif /* PORTMACRO_H */