2 * FreeRTOS Kernel V10.3.0
\r
3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
\r
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
\r
6 * this software and associated documentation files (the "Software"), to deal in
\r
7 * the Software without restriction, including without limitation the rights to
\r
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
\r
9 * the Software, and to permit persons to whom the Software is furnished to do so,
\r
10 * subject to the following conditions:
\r
12 * The above copyright notice and this permission notice shall be included in all
\r
13 * copies or substantial portions of the Software.
\r
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
\r
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
\r
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
\r
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
\r
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
\r
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\r
22 * http://www.FreeRTOS.org
\r
23 * http://aws.amazon.com/freertos
\r
25 * 1 tab == 4 spaces!
\r
31 /*-----------------------------------------------------------
\r
32 * Port specific definitions.
\r
34 * The settings in this file configure FreeRTOS correctly for the
\r
35 * given hardware and compiler.
\r
37 * These settings should not be altered.
\r
38 *-----------------------------------------------------------
\r
41 /* Hardware includes. */
\r
44 /* Type definitions. */
\r
45 #define portCHAR char
\r
46 #define portFLOAT float
\r
47 #define portDOUBLE double
\r
48 #define portLONG long
\r
49 #define portSHORT int
\r
50 #define portBASE_TYPE portSHORT
\r
52 /* The stack type changes depending on the data model. */
\r
53 #ifdef __LARGE_DATA_MODEL__
\r
54 #define portSTACK_TYPE uint32_t
\r
56 #define portSTACK_TYPE uint16_t
\r
57 #define portPOINTER_SIZE_TYPE uint16_t
\r
60 typedef portSTACK_TYPE StackType_t;
\r
61 typedef short BaseType_t;
\r
62 typedef unsigned short UBaseType_t;
\r
64 #if( configUSE_16_BIT_TICKS == 1 )
\r
65 typedef uint16_t TickType_t;
\r
66 #define portMAX_DELAY ( TickType_t ) 0xffff
\r
68 typedef uint32_t TickType_t;
\r
69 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
\r
72 /*-----------------------------------------------------------*/
\r
74 /* Interrupt control macros. */
\r
75 #define portDISABLE_INTERRUPTS() _disable_interrupt(); _nop()
\r
76 #define portENABLE_INTERRUPTS() _enable_interrupt(); _nop()
\r
77 /*-----------------------------------------------------------*/
\r
79 /* Critical section control macros. */
\r
80 #define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
\r
82 #define portENTER_CRITICAL() \
\r
84 extern volatile uint16_t usCriticalNesting; \
\r
86 portDISABLE_INTERRUPTS(); \
\r
88 /* Now interrupts are disabled usCriticalNesting can be accessed */ \
\r
89 /* directly. Increment ulCriticalNesting to keep a count of how many */ \
\r
90 /* times portENTER_CRITICAL() has been called. */ \
\r
91 usCriticalNesting++; \
\r
94 #define portEXIT_CRITICAL() \
\r
96 extern volatile uint16_t usCriticalNesting; \
\r
98 if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
\r
100 /* Decrement the nesting count as we are leaving a critical section. */ \
\r
101 usCriticalNesting--; \
\r
103 /* If the nesting level has reached zero then interrupts should be */ \
\r
104 /* re-enabled. */ \
\r
105 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
\r
107 portENABLE_INTERRUPTS(); \
\r
111 /*-----------------------------------------------------------*/
\r
113 /* Task utilities. */
\r
116 * Manual context switch called by portYIELD or taskYIELD.
\r
118 extern void vPortYield( void );
\r
119 #define portYIELD() vPortYield()
\r
120 /*-----------------------------------------------------------*/
\r
122 /* Hardware specifics. */
\r
123 #define portBYTE_ALIGNMENT 2
\r
124 #define portSTACK_GROWTH ( -1 )
\r
125 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
\r
126 #define portNOP() __no_operation()
\r
127 /*-----------------------------------------------------------*/
\r
129 /* Task function macros as described on the FreeRTOS.org WEB site. */
\r
130 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
\r
131 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
\r
133 extern void vTaskSwitchContext( void );
\r
134 #define portYIELD_FROM_ISR( x ) if( x ) vPortYield()
\r
136 void vApplicationSetupTimerInterrupt( void );
\r
138 /* sizeof( int ) != sizeof( long ) so a full printf() library is required if
\r
139 run time stats information is to be displayed. */
\r
140 #define portLU_PRINTF_SPECIFIER_REQUIRED
\r
142 #endif /* PORTMACRO_H */
\r