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
36 /*-----------------------------------------------------------
37 * Port specific definitions.
39 * The settings in this file configure FreeRTOS correctly for the
40 * given hardware and compiler.
42 * These settings should not be altered.
43 *-----------------------------------------------------------
47 /* Type definitions. */
49 #define portFLOAT float
50 #define portDOUBLE long
53 #define portSTACK_TYPE uint16_t
54 #define portBASE_TYPE short
56 typedef portSTACK_TYPE StackType_t;
57 typedef short BaseType_t;
58 typedef unsigned short UBaseType_t;
61 #if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
62 typedef uint16_t TickType_t;
63 #define portMAX_DELAY ( TickType_t ) 0xffff
64 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
65 typedef uint32_t TickType_t;
66 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
68 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
70 /*-----------------------------------------------------------*/
72 /* Critical section management. */
73 void portENTER_CRITICAL( void );
74 #pragma aux portENTER_CRITICAL = "pushf" \
77 void portEXIT_CRITICAL( void );
78 #pragma aux portEXIT_CRITICAL = "popf";
80 void portDISABLE_INTERRUPTS( void );
81 #pragma aux portDISABLE_INTERRUPTS = "cli";
83 void portENABLE_INTERRUPTS( void );
84 #pragma aux portENABLE_INTERRUPTS = "sti";
85 /*-----------------------------------------------------------*/
87 /* Architecture specifics. */
88 #define portSTACK_GROWTH ( -1 )
89 #define portSWITCH_INT_NUMBER 0x80
90 #define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
91 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
92 #define portBYTE_ALIGNMENT 2
93 #define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
94 #define portNOP() __asm{ nop }
95 /*-----------------------------------------------------------*/
97 /* Compiler specifics. */
98 #define portINPUT_BYTE( xAddr ) inp( xAddr )
99 #define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
100 #define portINPUT_WORD( xAddr ) inpw( xAddr )
101 #define portOUTPUT_WORD( xAddr, usValue ) outpw( xAddr, usValue )
102 /*-----------------------------------------------------------*/
104 /* Task function macros as described on the FreeRTOS.org WEB site. */
105 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
106 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
112 #endif /* PORTMACRO_H */