2 * FreeRTOS Kernel V10.2.0
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3 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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36 /*-----------------------------------------------------------
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37 * Port specific definitions.
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39 * The settings in this file configure FreeRTOS correctly for the
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40 * given hardware and compiler.
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42 * These settings should not be altered.
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43 *-----------------------------------------------------------
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46 /* Type definitions. */
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47 #define portCHAR char
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48 #define portFLOAT float
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49 #define portDOUBLE double
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50 #define portLONG long
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51 #define portSHORT short
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52 #define portSTACK_TYPE uint32_t
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53 #define portBASE_TYPE long
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55 typedef portSTACK_TYPE StackType_t;
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56 typedef long BaseType_t;
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57 typedef unsigned long UBaseType_t;
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60 #if( configUSE_16_BIT_TICKS == 1 )
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61 typedef uint16_t TickType_t;
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62 #define portMAX_DELAY ( TickType_t ) 0xffff
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64 typedef uint32_t TickType_t;
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65 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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67 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
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68 not need to be guarded with a critical section. */
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69 #define portTICK_TYPE_IS_ATOMIC 1
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71 /*-----------------------------------------------------------*/
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73 /* Architecture specifics. */
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74 #define portSTACK_GROWTH ( -1 )
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75 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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76 #define portBYTE_ALIGNMENT 8
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77 /*-----------------------------------------------------------*/
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80 /* Scheduler utilities. */
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81 extern void vPortYield( void );
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82 #define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 )
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83 #define portNVIC_PENDSVSET 0x10000000
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84 #define portYIELD() vPortYield()
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86 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET
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87 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
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88 /*-----------------------------------------------------------*/
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91 /* Critical section management. */
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94 * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
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95 * registers. r0 is clobbered.
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97 #define portSET_INTERRUPT_MASK() __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY )
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100 * Set basepri back to 0 without effective other registers.
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101 * r0 is clobbered. FAQ: Setting BASEPRI to 0 is not a bug. Please see
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102 * http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing.
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104 #define portCLEAR_INTERRUPT_MASK() __set_BASEPRI( 0 )
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106 extern uint32_t ulPortSetInterruptMask( void );
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107 extern void vPortClearInterruptMask( uint32_t ulNewMask );
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108 #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask()
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109 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask( x )
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112 extern void vPortEnterCritical( void );
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113 extern void vPortExitCritical( void );
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115 #define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK()
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116 #define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK()
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117 #define portENTER_CRITICAL() vPortEnterCritical()
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118 #define portEXIT_CRITICAL() vPortExitCritical()
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120 /*-----------------------------------------------------------*/
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122 /* Task function macros as described on the FreeRTOS.org WEB site. */
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123 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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124 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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132 #endif /* PORTMACRO_H */
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