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
53 #define portSHORT short
54 #define portSTACK_TYPE uint16_t
55 #define portBASE_TYPE short
56 #define portPOINTER_SIZE_TYPE size_t
57 #define SIZE_MAX ( ( size_t ) -1 )
59 typedef portSTACK_TYPE StackType_t;
60 typedef short BaseType_t;
61 typedef unsigned short UBaseType_t;
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 /* 16-bit tick type on a 16-bit architecture, so reads of the tick count do
67 * not need to be guarded with a critical section. */
68 #define portTICK_TYPE_IS_ATOMIC 1
69 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
70 typedef uint32_t TickType_t;
71 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
73 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
75 /*-----------------------------------------------------------*/
77 /* Hardware specifics. */
78 #define portBYTE_ALIGNMENT 2
79 #define portSTACK_GROWTH 1
80 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
81 /*-----------------------------------------------------------*/
83 /* Critical section management. */
84 #define portDISABLE_INTERRUPTS() SET_CPU_IPL( configKERNEL_INTERRUPT_PRIORITY ); __asm volatile ( "NOP" )
85 #define portENABLE_INTERRUPTS() SET_CPU_IPL( 0 )
87 /* Note that exiting a critical sectino will set the IPL bits to 0, no matter
88 what their value was prior to entering the critical section. */
89 extern void vPortEnterCritical( void );
90 extern void vPortExitCritical( void );
91 #define portENTER_CRITICAL() vPortEnterCritical()
92 #define portEXIT_CRITICAL() vPortExitCritical()
93 /*-----------------------------------------------------------*/
96 extern void vPortYield( void );
97 #define portYIELD() asm volatile ( "CALL _vPortYield \n" \
99 /*-----------------------------------------------------------*/
101 /* Task function macros as described on the FreeRTOS.org WEB site. */
102 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
103 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
104 /*-----------------------------------------------------------*/
106 /* Required by the kernel aware debugger. */
108 #define portREMOVE_STATIC_QUALIFIER
111 #define portNOP() asm volatile ( "NOP" )
119 #endif /* PORTMACRO_H */