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 #ifndef PORTMACRO_H
30 #define PORTMACRO_H
31 
32 /* *INDENT-OFF* */
33 #ifdef __cplusplus
34     extern "C" {
35 #endif
36 /* *INDENT-ON* */
37 
38 /*-----------------------------------------------------------
39  * Port specific definitions.
40  *
41  * The settings in this file configure FreeRTOS correctly for the
42  * given hardware and compiler.
43  *
44  * These settings should not be altered.
45  *-----------------------------------------------------------
46  */
47 
48 /* Type definitions. */
49 #define portCHAR        char
50 #define portFLOAT       float
51 #define portDOUBLE      double
52 #define portLONG        long
53 #define portSHORT       int
54 #define portSTACK_TYPE  uint16_t
55 #define portBASE_TYPE   short
56 
57 typedef portSTACK_TYPE StackType_t;
58 typedef short BaseType_t;
59 typedef unsigned short UBaseType_t;
60 
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 /* Critical section definitions.  portENTER_CRITICAL() must be defined as a
74 macro for portable.h to work properly. */
75 void portLOCAL_ENTER_CRITICAL( void );
76 #pragma aux portLOCAL_ENTER_CRITICAL =  "pushf" \
77                                         "cli";
78 #define portENTER_CRITICAL() portLOCAL_ENTER_CRITICAL()
79 
80 void portEXIT_CRITICAL( void );
81 #pragma aux portEXIT_CRITICAL   =       "popf";
82 
83 void portDISABLE_INTERRUPTS( void );
84 #pragma aux portDISABLE_INTERRUPTS =    "cli";
85 
86 void portENABLE_INTERRUPTS( void );
87 #pragma aux portENABLE_INTERRUPTS =     "sti";
88 /*-----------------------------------------------------------*/
89 
90 /* Architecture specifics. */
91 #define portSTACK_GROWTH        ( -1 )
92 #define portSWITCH_INT_NUMBER   0x80
93 #define portYIELD()             __asm{ int portSWITCH_INT_NUMBER }
94 #define portDOS_TICK_RATE       ( 18.20648 )
95 #define portTICK_PERIOD_MS        ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
96 #define portTICKS_PER_DOS_TICK  ( ( uint16_t ) ( ( ( portDOUBLE ) configTICK_RATE_HZ / portDOS_TICK_RATE ) + 0.5 ) )
97 #define portINITIAL_SW          ( ( portSTACK_TYPE ) 0x0202 )   /* Start the tasks with interrupts enabled. */
98 #define portBYTE_ALIGNMENT      ( 2 )
99 /*-----------------------------------------------------------*/
100 
101 /* Compiler specifics. */
102 #define portINPUT_BYTE( xAddr )             inp( xAddr )
103 #define portOUTPUT_BYTE( xAddr, ucValue )   outp( xAddr, ucValue )
104 #define portNOP() __asm{ nop }
105 /*-----------------------------------------------------------*/
106 
107 /* Task function macros as described on the FreeRTOS.org WEB site. */
108 #define portTASK_FUNCTION_PROTO( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
109 #define portTASK_FUNCTION( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
110 
111 /* *INDENT-OFF* */
112 #ifdef __cplusplus
113     }
114 #endif
115 /* *INDENT-ON* */
116 
117 
118 #endif /* PORTMACRO_H */
119