2 * FreeRTOS Kernel V202110.00
3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9 * the Software, and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * https://www.FreeRTOS.org
23 * https://github.com/FreeRTOS
32 #include <intrinsics.h>
38 /*-----------------------------------------------------------
39 * Port specific definitions.
41 * The settings in this file configure FreeRTOS correctly for the
42 * given hardware and compiler.
44 * These settings should not be altered.
45 *-----------------------------------------------------------
48 /* Type definitions. */
50 #define portFLOAT float
51 #define portDOUBLE double
53 #define portSHORT short
54 #define portSTACK_TYPE uint32_t
55 #define portBASE_TYPE long
57 typedef portSTACK_TYPE StackType_t;
58 typedef long BaseType_t;
59 typedef unsigned long UBaseType_t;
62 #if( configUSE_16_BIT_TICKS == 1 )
63 typedef uint16_t TickType_t;
64 #define portMAX_DELAY ( TickType_t ) 0xffff
66 typedef uint32_t TickType_t;
67 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
69 /*-----------------------------------------------------------*/
71 /* Hardware specifics. */
72 #define portSTACK_GROWTH ( -1 )
73 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
74 #define portBYTE_ALIGNMENT 8
75 #define portYIELD() asm ( "SWI 0" )
76 #define portNOP() asm ( "NOP" )
77 /*-----------------------------------------------------------*/
79 /* Critical section handling. */
80 __arm __interwork void vPortDisableInterruptsFromThumb( void );
81 __arm __interwork void vPortEnableInterruptsFromThumb( void );
82 __arm __interwork void vPortEnterCritical( void );
83 __arm __interwork void vPortExitCritical( void );
85 #define portDISABLE_INTERRUPTS() __disable_interrupt()
86 #define portENABLE_INTERRUPTS() __enable_interrupt()
87 #define portENTER_CRITICAL() vPortEnterCritical()
88 #define portEXIT_CRITICAL() vPortExitCritical()
89 /*-----------------------------------------------------------*/
92 #define portEND_SWITCHING_ISR( xSwitchRequired ) \
94 extern void vTaskSwitchContext( void ); \
96 if( xSwitchRequired ) \
98 vTaskSwitchContext(); \
101 /*-----------------------------------------------------------*/
103 /* Task function macros as described on the FreeRTOS.org WEB site. */
104 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
105 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
111 #endif /* PORTMACRO_H */