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 *-----------------------------------------------------------
46 /* Type definitions. */
48 #define portFLOAT float
49 #define portDOUBLE double
51 #define portSHORT short
52 #define portSTACK_TYPE uint16_t
53 #define portBASE_TYPE short
55 typedef portSTACK_TYPE StackType_t;
56 typedef short BaseType_t;
57 typedef unsigned short UBaseType_t;
59 #if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
60 typedef uint16_t TickType_t;
61 #define portMAX_DELAY ( TickType_t ) 0xffff
62 /* 16-bit tick type on a 16-bit architecture, so reads of the tick count do
63 * not need to be guarded with a critical section. */
64 #define portTICK_TYPE_IS_ATOMIC 1
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 /* Hardware specifics. */
74 #define portBYTE_ALIGNMENT 2
75 #define portSTACK_GROWTH 1
76 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
77 /*-----------------------------------------------------------*/
79 /* Critical section management. */
80 #define portDISABLE_INTERRUPTS() SET_CPU_IPL( configKERNEL_INTERRUPT_PRIORITY ); __asm volatile ( "NOP" )
81 #define portENABLE_INTERRUPTS() SET_CPU_IPL( 0 )
83 /* Note that exiting a critical sectino will set the IPL bits to 0, nomatter
84 what their value was prior to entering the critical section. */
85 extern void vPortEnterCritical( void );
86 extern void vPortExitCritical( void );
87 #define portENTER_CRITICAL() vPortEnterCritical()
88 #define portEXIT_CRITICAL() vPortExitCritical()
89 /*-----------------------------------------------------------*/
92 extern void vPortYield( void );
93 #define portYIELD() asm volatile ( "CALL _vPortYield \n" \
95 /*-----------------------------------------------------------*/
97 /* Task function macros as described on the FreeRTOS.org WEB site. */
98 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
99 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
100 /*-----------------------------------------------------------*/
102 /* Required by the kernel aware debugger. */
104 #define portREMOVE_STATIC_QUALIFIER
107 #define portNOP() asm volatile ( "NOP" )
113 #endif /* PORTMACRO_H */