1 /*
2  * FreeRTOS Kernel V11.1.0
3  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
4  *
5  * SPDX-License-Identifier: MIT
6  *
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:
13  *
14  * The above copyright notice and this permission notice shall be included in all
15  * copies or substantial portions of the Software.
16  *
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.
23  *
24  * https://www.FreeRTOS.org
25  * https://github.com/FreeRTOS
26  *
27  */
28 
29 
30 #ifndef PORTMACRO_H
31 #define PORTMACRO_H
32 
33 /* *INDENT-OFF* */
34 #ifdef __cplusplus
35     extern "C" {
36 #endif
37 /* *INDENT-ON* */
38 
39 /*-----------------------------------------------------------
40  * Port specific definitions.
41  *
42  * The settings in this file configure FreeRTOS correctly for the
43  * given hardware and compiler.
44  *
45  * These settings should not be altered.
46  *-----------------------------------------------------------
47  */
48 
49 /* Type definitions. */
50 #define portCHAR          char
51 #define portFLOAT         float
52 #define portDOUBLE        double
53 #define portLONG          long
54 #define portSHORT         short
55 #define portSTACK_TYPE    uint32_t
56 #define portBASE_TYPE     long
57 
58 typedef portSTACK_TYPE   StackType_t;
59 typedef long             BaseType_t;
60 typedef unsigned long    UBaseType_t;
61 
62 #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
63     typedef uint16_t     TickType_t;
64     #define portMAX_DELAY    ( TickType_t ) 0xffff
65 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
66     typedef uint32_t     TickType_t;
67     #define portMAX_DELAY    ( TickType_t ) ( 0xFFFFFFFFUL )
68 #else
69     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
70 #endif
71 /*-----------------------------------------------------------*/
72 
73 /* Hardware specifics. */
74 #define portSTACK_GROWTH      ( -1 )
75 #define portTICK_PERIOD_MS    ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
76 #define portBYTE_ALIGNMENT    8
77 #define portYIELD()    asm ( "SWI 0" )
78 #define portNOP()      asm ( "NOP" )
79 /*-----------------------------------------------------------*/
80 
81 /* Critical section handling. */
82 __arm __interwork void vPortDisableInterruptsFromThumb( void );
83 __arm __interwork void vPortEnableInterruptsFromThumb( void );
84 __arm __interwork void vPortEnterCritical( void );
85 __arm __interwork void vPortExitCritical( void );
86 
87 #define portDISABLE_INTERRUPTS()    __disable_interrupt()
88 #define portENABLE_INTERRUPTS()     __enable_interrupt()
89 #define portENTER_CRITICAL()        vPortEnterCritical()
90 #define portEXIT_CRITICAL()         vPortExitCritical()
91 /*-----------------------------------------------------------*/
92 
93 /* Task utilities. */
94 #define portEND_SWITCHING_ISR( xSwitchRequired ) \
95     {                                            \
96         extern void vTaskSwitchContext( void );  \
97                                                  \
98         if( xSwitchRequired )                    \
99         {                                        \
100             traceISR_EXIT_TO_SCHEDULER();        \
101             vTaskSwitchContext();                \
102         }                                        \
103         else                                     \
104         {                                        \
105             traceISR_EXIT();                     \
106         }                                        \
107     }
108 /*-----------------------------------------------------------*/
109 
110 
111 /* Task function macros as described on the FreeRTOS.org WEB site. */
112 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters )    void vFunction( void * pvParameters )
113 #define portTASK_FUNCTION( vFunction, pvParameters )          void vFunction( void * pvParameters )
114 
115 /* *INDENT-OFF* */
116 #ifdef __cplusplus
117     }
118 #endif
119 /* *INDENT-ON* */
120 
121 #endif /* PORTMACRO_H */
122