2 * FreeRTOS SMP Kernel V202110.00
3 * Copyright (C) 2020 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 * https://www.FreeRTOS.org
23 * 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 uint32_t
53 #define portBASE_TYPE long
55 typedef portSTACK_TYPE StackType_t;
56 typedef long BaseType_t;
57 typedef unsigned long UBaseType_t;
60 #if ( configUSE_16_BIT_TICKS == 1 )
61 typedef uint16_t TickType_t;
62 #define portMAX_DELAY ( TickType_t ) 0xffff
64 typedef uint32_t TickType_t;
65 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
67 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
68 * not need to be guarded with a critical section. */
69 #define portTICK_TYPE_IS_ATOMIC 1
71 /*-----------------------------------------------------------*/
73 /* Architecture specifics. */
74 #define portSTACK_GROWTH ( -1 )
75 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
76 #define portBYTE_ALIGNMENT 8
77 /*-----------------------------------------------------------*/
80 /* Scheduler utilities. */
81 extern void vPortYield( void );
82 #define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 )
83 #define portNVIC_PENDSVSET 0x10000000
84 #define portYIELD() vPortYield()
86 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET
87 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
88 /*-----------------------------------------------------------*/
91 /* Critical section management. */
94 * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
95 * registers. r0 is clobbered.
97 #define portSET_INTERRUPT_MASK() __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY )
100 * Set basepri back to 0 without effective other registers.
101 * r0 is clobbered. FAQ: Setting BASEPRI to 0 is not a bug. Please see
102 * https://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing.
104 #define portCLEAR_INTERRUPT_MASK() __set_BASEPRI( 0 )
106 extern uint32_t ulPortSetInterruptMask( void );
107 extern void vPortClearInterruptMask( uint32_t ulNewMask );
108 #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask()
109 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortClearInterruptMask( x )
112 extern void vPortEnterCritical( void );
113 extern void vPortExitCritical( void );
115 #define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK()
116 #define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK()
117 #define portENTER_CRITICAL() vPortEnterCritical()
118 #define portEXIT_CRITICAL() vPortExitCritical()
120 /*-----------------------------------------------------------*/
122 /* Task function macros as described on the FreeRTOS.org WEB site. */
123 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
124 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
132 #endif /* PORTMACRO_H */