2 * FreeRTOS Kernel V10.0.1
3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
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.
22 * http://www.FreeRTOS.org
23 * http://aws.amazon.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 uint32_t
53 #define portBASE_TYPE long
55 typedef portSTACK_TYPE StackType_t;
56 typedef long BaseType_t;
57 typedef unsigned long UBaseType_t;
59 #if( configUSE_16_BIT_TICKS == 1 )
60 typedef uint16_t TickType_t;
61 #define portMAX_DELAY ( TickType_t ) 0xffff
63 typedef uint32_t TickType_t;
64 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
66 /* 32-bit tick type on a 32-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
70 /*-----------------------------------------------------------*/
72 /* Architecture specifics. */
73 #define portSTACK_GROWTH ( -1 )
74 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
75 #define portBYTE_ALIGNMENT 8
76 /*-----------------------------------------------------------*/
79 /* Scheduler utilities. */
80 extern void vPortYield( void );
81 #define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )
82 #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
83 #define portYIELD() vPortYield()
84 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
85 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
86 /*-----------------------------------------------------------*/
88 /* Critical section management. */
89 extern void vPortEnterCritical( void );
90 extern void vPortExitCritical( void );
91 extern uint32_t ulSetInterruptMaskFromISR( void );
92 extern void vClearInterruptMaskFromISR( uint32_t ulMask );
94 #define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR()
95 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x )
96 #define portDISABLE_INTERRUPTS() __disable_irq()
97 #define portENABLE_INTERRUPTS() __enable_irq()
98 #define portENTER_CRITICAL() vPortEnterCritical()
99 #define portEXIT_CRITICAL() vPortExitCritical()
101 /*-----------------------------------------------------------*/
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 )
113 #endif /* PORTMACRO_H */