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[freertos] / portable / IAR / LPC2000 / portmacro.h
1 /*
2  * FreeRTOS Kernel V202110.00
3  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a copy of
6  * this software and associated documentation files (the "Software"), to deal in
7  * the Software without restriction, including without limitation the rights to
8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9  * the Software, and to permit persons to whom the Software is furnished to do so,
10  * subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in all
13  * copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * https://www.FreeRTOS.org
23  * https://github.com/FreeRTOS
24  *
25  * 1 tab == 4 spaces!
26  */
27
28
29 #ifndef PORTMACRO_H
30 #define PORTMACRO_H
31
32 #include <intrinsics.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 /*-----------------------------------------------------------
39  * Port specific definitions.
40  *
41  * The settings in this file configure FreeRTOS correctly for the
42  * given hardware and compiler.
43  *
44  * These settings should not be altered.
45  *-----------------------------------------------------------
46  */
47
48 /* Type definitions. */
49 #define portCHAR                char
50 #define portFLOAT               float
51 #define portDOUBLE              double
52 #define portLONG                long
53 #define portSHORT               short
54 #define portSTACK_TYPE  uint32_t
55 #define portBASE_TYPE   long
56
57 typedef portSTACK_TYPE StackType_t;
58 typedef long BaseType_t;
59 typedef unsigned long UBaseType_t;
60
61
62 #if( configUSE_16_BIT_TICKS == 1 )
63         typedef uint16_t TickType_t;
64         #define portMAX_DELAY ( TickType_t ) 0xffff
65 #else
66         typedef uint32_t TickType_t;
67         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
68 #endif
69 /*-----------------------------------------------------------*/
70
71 /* Hardware specifics. */
72 #define portSTACK_GROWTH                        ( -1 )
73 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
74 #define portBYTE_ALIGNMENT                      8
75 #define portYIELD()                                     asm ( "SWI 0" )
76 #define portNOP()                                       asm ( "NOP" )
77 /*-----------------------------------------------------------*/
78
79 /* Critical section handling. */
80 __arm __interwork void vPortDisableInterruptsFromThumb( void );
81 __arm __interwork void vPortEnableInterruptsFromThumb( void );
82 __arm __interwork void vPortEnterCritical( void );
83 __arm __interwork void vPortExitCritical( void );
84
85 #define portDISABLE_INTERRUPTS()        __disable_interrupt()
86 #define portENABLE_INTERRUPTS()         __enable_interrupt()
87 #define portENTER_CRITICAL()            vPortEnterCritical()
88 #define portEXIT_CRITICAL()                     vPortExitCritical()
89 /*-----------------------------------------------------------*/
90
91 /* Task utilities. */
92 #define portEND_SWITCHING_ISR( xSwitchRequired )        \
93 {                                                                                                       \
94 extern void vTaskSwitchContext( void );                         \
95                                                                                                         \
96         if( xSwitchRequired )                                                   \
97         {                                                                                               \
98                 vTaskSwitchContext();                                           \
99         }                                                                                               \
100 }
101 /*-----------------------------------------------------------*/
102
103 /* Task function macros as described on the FreeRTOS.org WEB site. */
104 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
105 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
106
107 #ifdef __cplusplus
108 }
109 #endif
110
111 #endif /* PORTMACRO_H */
112
113