2 * FreeRTOS Kernel <DEVELOPMENT BRANCH>
3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * SPDX-License-Identifier: MIT
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:
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
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.
24 * https://www.FreeRTOS.org
25 * https://github.com/FreeRTOS
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
54 #define portSTACK_TYPE uint16_t
55 #define portBASE_TYPE short
57 typedef portSTACK_TYPE StackType_t;
58 typedef short BaseType_t;
59 typedef unsigned short UBaseType_t;
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
69 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
71 /*-----------------------------------------------------------*/
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" \
78 #define portENTER_CRITICAL() portLOCAL_ENTER_CRITICAL()
80 void portEXIT_CRITICAL( void );
81 #pragma aux portEXIT_CRITICAL = "popf";
83 void portDISABLE_INTERRUPTS( void );
84 #pragma aux portDISABLE_INTERRUPTS = "cli";
86 void portENABLE_INTERRUPTS( void );
87 #pragma aux portENABLE_INTERRUPTS = "sti";
88 /*-----------------------------------------------------------*/
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 /*-----------------------------------------------------------*/
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 /*-----------------------------------------------------------*/
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 )
118 #endif /* PORTMACRO_H */