2 FreeRTOS V7.5.1 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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73 /*-----------------------------------------------------------
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74 * Port specific definitions.
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76 * The settings in this file configure FreeRTOS correctly for the
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77 * given hardware and compiler.
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79 * These settings should not be altered.
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80 *-----------------------------------------------------------
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83 /* Type definitions. */
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84 #define portCHAR char
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85 #define portFLOAT float
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86 #define portDOUBLE double
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87 #define portLONG long
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88 #define portSHORT short
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89 #define portSTACK_TYPE unsigned portLONG
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90 #define portBASE_TYPE long
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92 #if( configUSE_16_BIT_TICKS == 1 )
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93 typedef unsigned portSHORT portTickType;
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94 #define portMAX_DELAY ( portTickType ) 0xffff
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96 typedef unsigned portLONG portTickType;
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97 #define portMAX_DELAY ( portTickType ) 0xffffffff
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99 /*-----------------------------------------------------------*/
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101 /* Architecture specifics. */
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102 #define portSTACK_GROWTH ( -1 )
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103 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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104 #define portBYTE_ALIGNMENT 8
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105 /*-----------------------------------------------------------*/
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108 /* Scheduler utilities. */
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109 extern void vPortYield( void );
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110 #define portNVIC_INT_CTRL ( ( volatile unsigned long * ) 0xe000ed04 )
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111 #define portNVIC_PENDSVSET 0x10000000
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112 #define portYIELD() vPortYield()
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114 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET
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115 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
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116 /*-----------------------------------------------------------*/
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119 /* Critical section management. */
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122 * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
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123 * registers. r0 is clobbered.
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125 #define portSET_INTERRUPT_MASK() __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY )
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128 * Set basepri back to 0 without effective other registers.
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129 * r0 is clobbered. FAQ: Setting BASEPRI to 0 is not a bug. Please see
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130 * http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing.
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132 #define portCLEAR_INTERRUPT_MASK() __set_BASEPRI( 0 )
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134 /* FAQ: Setting BASEPRI to 0 is not a bug. Please see
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135 http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing. */
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136 #define portSET_INTERRUPT_MASK_FROM_ISR() 0;portSET_INTERRUPT_MASK()
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137 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) portCLEAR_INTERRUPT_MASK();(void)x
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140 extern void vPortEnterCritical( void );
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141 extern void vPortExitCritical( void );
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143 #define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK()
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144 #define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK()
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145 #define portENTER_CRITICAL() vPortEnterCritical()
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146 #define portEXIT_CRITICAL() vPortExitCritical()
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148 /*-----------------------------------------------------------*/
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150 /* Task function macros as described on the FreeRTOS.org WEB site. */
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151 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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152 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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160 #endif /* PORTMACRO_H */
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