2 * FreeRTOS Kernel V10.0.1
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3 * Copyright (C) 2017 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 /*-----------------------------------------------------------*/
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69 /* Hardware specifics. */
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70 #define portSTACK_GROWTH ( -1 )
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71 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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72 #define portBYTE_ALIGNMENT 8
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73 /*-----------------------------------------------------------*/
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75 /* Task utilities. */
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77 /*-----------------------------------------------------------
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78 * ISR entry and exit macros. These are only required if a task switch
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79 * is required from an ISR.
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80 *----------------------------------------------------------*/
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82 /* If a switch is required then we just need to call */
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83 /* vTaskSwitchContext() as the context has already been */
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86 #define portEXIT_SWITCHING_ISR(SwitchRequired) \
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88 extern void vTaskSwitchContext(void); \
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90 if(SwitchRequired) \
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92 vTaskSwitchContext(); \
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96 extern void vPortYield( void );
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97 #define portYIELD() vPortYield()
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100 /* Critical section management. */
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103 ******************************************************************
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104 * We don't need to worry about whether we're in ARM or
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105 * THUMB mode with the Keil Real View compiler when enabling
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106 * or disabling interrupts as the compiler's intrinsic functions
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107 * take care of that for us.
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108 *******************************************************************
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110 #define portDISABLE_INTERRUPTS() __disable_irq()
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111 #define portENABLE_INTERRUPTS() __enable_irq()
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114 /*-----------------------------------------------------------
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115 * Critical section control
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117 * The code generated by the Keil compiler does not maintain separate
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118 * stack and frame pointers. The portENTER_CRITICAL macro cannot therefore
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119 * use the stack as per other ports. Instead a variable is used to keep
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120 * track of the critical section nesting. This necessitates the use of a
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121 * function in place of the macro.
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122 *----------------------------------------------------------*/
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124 extern void vPortEnterCritical( void );
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125 extern void vPortExitCritical( void );
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127 #define portENTER_CRITICAL() vPortEnterCritical();
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128 #define portEXIT_CRITICAL() vPortExitCritical();
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129 /*-----------------------------------------------------------*/
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131 /* Compiler specifics. */
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134 #define portNOP() __asm{ NOP }
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135 /*-----------------------------------------------------------*/
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137 /* Task function macros as described on the FreeRTOS.org WEB site. */
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138 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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139 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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145 #endif /* PORTMACRO_H */
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