2 FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to distribute
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28 >>! a combined work that includes FreeRTOS without being obliged to provide
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29 >>! the source code for proprietary components outside of the FreeRTOS
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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74 /*-----------------------------------------------------------
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75 * Port specific definitions.
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77 * The settings in this file configure FreeRTOS correctly for the
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78 * given hardware and compiler.
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80 * These settings should not be altered.
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81 *-----------------------------------------------------------
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84 /* Type definitions. */
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85 #define portCHAR char
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86 #define portFLOAT float
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87 #define portDOUBLE double
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88 #define portLONG long
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89 #define portSHORT short
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90 #define portSTACK_TYPE uint32_t
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91 #define portBASE_TYPE long
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93 typedef portSTACK_TYPE StackType_t;
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94 typedef long BaseType_t;
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95 typedef unsigned long UBaseType_t;
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97 #if( configUSE_16_BIT_TICKS == 1 )
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98 typedef uint16_t TickType_t;
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99 #define portMAX_DELAY ( TickType_t ) 0xffff
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101 typedef uint32_t TickType_t;
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102 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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104 /*-----------------------------------------------------------*/
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106 /* Architecture specifics. */
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107 #define portSTACK_GROWTH ( -1 )
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108 #define portTICK_RATE_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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109 #define portBYTE_ALIGNMENT 8
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110 /*-----------------------------------------------------------*/
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112 /* Scheduler utilities. */
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113 extern void vPortYield( void );
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114 #define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )
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115 #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
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116 #define portYIELD() vPortYield()
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117 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
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118 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
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119 /*-----------------------------------------------------------*/
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121 /* Critical section management. */
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122 extern uint32_t ulPortSetInterruptMask( void );
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123 extern void vPortClearInterruptMask( uint32_t ulNewMask );
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124 extern void vPortEnterCritical( void );
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125 extern void vPortExitCritical( void );
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127 #define portDISABLE_INTERRUPTS() ulPortSetInterruptMask()
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128 #define portENABLE_INTERRUPTS() vPortClearInterruptMask( 0 )
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129 #define portENTER_CRITICAL() vPortEnterCritical()
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130 #define portEXIT_CRITICAL() vPortExitCritical()
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131 #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask()
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132 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask(x)
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134 /*-----------------------------------------------------------*/
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136 /* Tickless idle/low power functionality. */
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137 #ifndef portSUPPRESS_TICKS_AND_SLEEP
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138 extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
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139 #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
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141 /*-----------------------------------------------------------*/
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143 /* Port specific optimisations. */
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144 #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
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146 /* Check the configuration. */
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147 #if( configMAX_PRIORITIES > 32 )
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148 #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
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151 /* Store/clear the ready priorities in a bit map. */
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152 #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
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153 #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
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155 /*-----------------------------------------------------------*/
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157 #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) )
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159 #endif /* taskRECORD_READY_PRIORITY */
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160 /*-----------------------------------------------------------*/
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162 /* Task function macros as described on the FreeRTOS.org WEB site. These are
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163 not necessary for to use this port. They are defined so the common demo files
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164 (which build with all the ports) will build. */
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165 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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166 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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167 /*-----------------------------------------------------------*/
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169 #ifdef configASSERT
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170 void vPortValidateInterruptPriority( void );
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171 #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()
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174 /* portNOP() is not required by this port. */
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181 #endif /* PORTMACRO_H */
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