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 /*-----------------------------------------------------------
33  * Port specific definitions.
34  *
35  * The settings in this file configure FreeRTOS correctly for the
36  * given hardware and compiler.
37  *
38  * These settings should not be altered.
39  *-----------------------------------------------------------
40  */
41 
42 /* Type definitions. */
43 #define portCHAR        char
44 #define portFLOAT       long
45 #define portDOUBLE      long
46 #define portLONG        long
47 #define portSHORT       int
48 #define portSTACK_TYPE  uint16_t
49 #define portBASE_TYPE   portSHORT
50 
51 typedef portSTACK_TYPE StackType_t;
52 typedef short BaseType_t;
53 typedef unsigned short UBaseType_t;
54 
55 #if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
56     typedef uint16_t TickType_t;
57     #define portMAX_DELAY ( TickType_t ) 0xffff
58 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
59     typedef uint32_t TickType_t;
60     #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
61 #else
62     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
63 #endif
64 /*-----------------------------------------------------------*/
65 
66 /* Critical section management. */
67 #define portENTER_CRITICAL()            __asm{ pushf }  \
68                                         __asm{ cli   }  \
69 
70 #define portEXIT_CRITICAL()             __asm{ popf }
71 
72 #define portDISABLE_INTERRUPTS()        __asm{ cli }
73 
74 #define portENABLE_INTERRUPTS()         __asm{ sti }
75 /*-----------------------------------------------------------*/
76 
77 /* Hardware specifics. */
78 #define portNOP()               __asm{ nop }
79 #define portSTACK_GROWTH        ( -1 )
80 #define portSWITCH_INT_NUMBER   0x80
81 #define portYIELD()             __asm{ int portSWITCH_INT_NUMBER }
82 #define portDOS_TICK_RATE       ( 18.20648 )
83 #define portTICK_PERIOD_MS      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
84 #define portTICKS_PER_DOS_TICK  ( ( uint16_t ) ( ( ( portDOUBLE ) configTICK_RATE_HZ / portDOS_TICK_RATE ) + 0.5 ) )
85 #define portINITIAL_SW          ( ( portSTACK_TYPE ) 0x0202 )   /* Start the tasks with interrupts enabled. */
86 #define portBYTE_ALIGNMENT      ( 2 )
87 /*-----------------------------------------------------------*/
88 
89 /* Compiler specifics. */
90 #define portINPUT_BYTE( xAddr )             inp( xAddr )
91 #define portOUTPUT_BYTE( xAddr, ucValue )   outp( xAddr, ucValue )
92 
93 /*-----------------------------------------------------------*/
94 
95 /* Task function macros as described on the FreeRTOS.org WEB site. */
96 #define portTASK_FUNCTION_PROTO( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
97 #define portTASK_FUNCTION( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
98 
99 #endif /* PORTMACRO_H */
100