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
32 + portCPU_CLOCK_HZ definition changed to 8MHz base 10, previously it
45 /*-----------------------------------------------------------
46 * Port specific definitions.
48 * The settings in this file configure FreeRTOS correctly for the
49 * given hardware and compiler.
51 * These settings should not be altered.
52 *-----------------------------------------------------------
55 /* Type definitions. */
57 #define portFLOAT float
58 #define portDOUBLE double
61 #define portSTACK_TYPE uint8_t
62 #define portBASE_TYPE char
63 #define portPOINTER_SIZE_TYPE uint16_t
65 typedef portSTACK_TYPE StackType_t;
66 typedef signed char BaseType_t;
67 typedef unsigned char UBaseType_t;
69 #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
70 typedef uint16_t TickType_t;
71 #define portMAX_DELAY ( TickType_t ) 0xffff
72 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
73 typedef uint32_t TickType_t;
74 #define portMAX_DELAY ( TickType_t ) ( 0xFFFFFFFFUL )
76 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
79 /*-----------------------------------------------------------*/
81 /* Critical section management. */
82 extern void vPortEnterCritical( void );
83 extern void vPortExitCritical( void );
84 #define portENTER_CRITICAL() vPortEnterCritical()
85 #define portEXIT_CRITICAL() vPortExitCritical()
87 #define portDISABLE_INTERRUPTS() asm ( "cli" )
88 #define portENABLE_INTERRUPTS() asm ( "sei" )
89 /*-----------------------------------------------------------*/
91 /* Architecture specifics. */
92 #define portSTACK_GROWTH ( -1 )
93 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
94 #define portBYTE_ALIGNMENT 1
95 #define portNOP() asm ( "nop" )
96 /*-----------------------------------------------------------*/
98 /* Kernel utilities. */
99 void vPortYield( void );
100 #define portYIELD() vPortYield()
103 #define outb( PORT, VALUE ) PORT = VALUE
105 /*-----------------------------------------------------------*/
107 /* Task function macros as described on the FreeRTOS.org WEB site. */
108 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
109 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
117 #endif /* PORTMACRO_H */