2 FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not itcan be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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83 /*-----------------------------------------------------------
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84 * Port specific definitions.
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86 * The settings in this file configure FreeRTOS correctly for the
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87 * given hardware and compiler.
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89 * These settings should not be altered.
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90 *-----------------------------------------------------------
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93 /* Type definitions. */
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94 #define portCHAR char
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95 #define portFLOAT float
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96 #define portDOUBLE double
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97 #define portLONG long
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98 #define portSHORT short
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99 #define portSTACK_TYPE unsigned portLONG
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100 #define portBASE_TYPE long
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102 #if( configUSE_16_BIT_TICKS == 1 )
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103 typedef unsigned portSHORT portTickType;
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104 #define portMAX_DELAY ( portTickType ) 0xffff
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106 typedef unsigned portLONG portTickType;
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107 #define portMAX_DELAY ( portTickType ) 0xffffffff
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109 /*-----------------------------------------------------------*/
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111 /* Architecture specifics. */
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112 #define portSTACK_GROWTH ( -1 )
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113 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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114 #define portBYTE_ALIGNMENT 8
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115 /*-----------------------------------------------------------*/
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117 /* Scheduler utilities. */
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118 extern void vPortYield( void );
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119 #define portNVIC_INT_CTRL_REG ( * ( ( volatile unsigned long * ) 0xe000ed04 ) )
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120 #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
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121 #define portYIELD() vPortYield()
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122 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
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123 /*-----------------------------------------------------------*/
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125 /* Architecture specific optimisations. */
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126 #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
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128 /* Check the configuration. */
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129 #if( configMAX_PRIORITIES > 32 )
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130 #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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133 /* Store/clear the ready priorities in a bit map. */
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134 #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
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135 #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
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137 /*-----------------------------------------------------------*/
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139 #include <intrinsics.h>
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140 #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __CLZ( ( uxReadyPriorities ) ) )
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142 #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
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143 /*-----------------------------------------------------------*/
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145 /* Critical section management. */
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146 extern void vPortEnterCritical( void );
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147 extern void vPortExitCritical( void );
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148 extern unsigned long ulPortSetInterruptMask( void );
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149 extern void vPortClearInterruptMask( unsigned long ulNewMask );
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151 #define portDISABLE_INTERRUPTS() ulPortSetInterruptMask()
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152 #define portENABLE_INTERRUPTS() vPortClearInterruptMask( 0 )
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153 #define portENTER_CRITICAL() vPortEnterCritical()
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154 #define portEXIT_CRITICAL() vPortExitCritical()
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155 #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask()
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156 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask( x )
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157 /*-----------------------------------------------------------*/
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159 /* There are an uneven number of items on the initial stack, so
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160 portALIGNMENT_ASSERT_pxCurrentTCB() will trigger false positive asserts. */
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161 #define portALIGNMENT_ASSERT_pxCurrentTCB ( void )
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162 /*-----------------------------------------------------------*/
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164 /* Tickless idle/low power functionality. */
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165 #ifndef portSUPPRESS_TICKS_AND_SLEEP
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166 extern void vPortSuppressTicksAndSleep( portTickType xExpectedIdleTime );
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167 #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
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170 /*-----------------------------------------------------------*/
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172 /* Task function macros as described on the FreeRTOS.org WEB site. These are
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173 not necessary for to use this port. They are defined so the common demo files
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174 (which build with all the ports) will build. */
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175 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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176 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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177 /*-----------------------------------------------------------*/
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179 /* portNOP() is not required by this port. */
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182 /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in
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183 the source code because to do so would cause other compilers to generate
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185 #pragma diag_suppress=Pe191
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186 #pragma diag_suppress=Pa082
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192 #endif /* PORTMACRO_H */
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