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 
49 /* Type definitions. */
50 #define portCHAR        char
51 #define portFLOAT       float
52 #define portDOUBLE      long
53 #define portLONG        long
54 #define portSHORT       int
55 #define portSTACK_TYPE  uint16_t
56 #define portBASE_TYPE   short
57 
58 typedef portSTACK_TYPE StackType_t;
59 typedef short BaseType_t;
60 typedef unsigned short UBaseType_t;
61 
62 
63 #if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
64         typedef uint16_t TickType_t;
65         #define portMAX_DELAY ( TickType_t ) 0xffff
66 #elif ( configTICK_TYPE_WIDTH_IN_BITS  == TICK_TYPE_WIDTH_32_BITS )
67     typedef uint32_t             TickType_t;
68     #define portMAX_DELAY    ( TickType_t ) 0xffffffffUL
69 #else
70     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
71 #endif
72 /*-----------------------------------------------------------*/
73 
74 /* Critical section management. */
75 void portENTER_CRITICAL( void );
76 #pragma aux portENTER_CRITICAL = "pushf" \
77                                  "cli";
78 
79 void portEXIT_CRITICAL( void );
80 #pragma aux portEXIT_CRITICAL   = "popf";
81 
82 void portDISABLE_INTERRUPTS( void );
83 #pragma aux portDISABLE_INTERRUPTS = "cli";
84 
85 void portENABLE_INTERRUPTS( void );
86 #pragma aux portENABLE_INTERRUPTS = "sti";
87 /*-----------------------------------------------------------*/
88 
89 /* Architecture specifics. */
90 #define portSTACK_GROWTH        ( -1 )
91 #define portSWITCH_INT_NUMBER   0x80
92 #define portYIELD()             __asm{ int portSWITCH_INT_NUMBER }
93 #define portTICK_PERIOD_MS        ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
94 #define portBYTE_ALIGNMENT      2
95 #define portINITIAL_SW          ( ( portSTACK_TYPE ) 0x0202 )   /* Start the tasks with interrupts enabled. */
96 #define portNOP()               __asm{ nop }
97 /*-----------------------------------------------------------*/
98 
99 /* Compiler specifics. */
100 #define portINPUT_BYTE( xAddr )                 inp( xAddr )
101 #define portOUTPUT_BYTE( xAddr, ucValue )       outp( xAddr, ucValue )
102 #define portINPUT_WORD( xAddr )                 inpw( xAddr )
103 #define portOUTPUT_WORD( xAddr, usValue )       outpw( xAddr, usValue )
104 /*-----------------------------------------------------------*/
105 
106 /* Task function macros as described on the FreeRTOS.org WEB site. */
107 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
108 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
109 
110 /* *INDENT-OFF* */
111 #ifdef __cplusplus
112     }
113 #endif
114 /* *INDENT-ON* */
115 
116 #endif /* PORTMACRO_H */
117