]> git.sur5r.net Git - freertos/blobdiff - FreeRTOS/Source/portable/IAR/ARM_CM3/portmacro.h
Update version number in preparation for maintenance release.
[freertos] / FreeRTOS / Source / portable / IAR / ARM_CM3 / portmacro.h
index 6b0a97dd4aee33096061dee31af7b8589c35dcda..7b96b771e82852b6aa24e279b58769f829761df7 100644 (file)
@@ -1,60 +1,64 @@
 /*\r
-    FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd.\r
+    FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd.\r
     All rights reserved\r
 \r
     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
 \r
-    ***************************************************************************\r
-     *                                                                       *\r
-     *    FreeRTOS provides completely free yet professionally developed,    *\r
-     *    robust, strictly quality controlled, supported, and cross          *\r
-     *    platform software that has become a de facto standard.             *\r
-     *                                                                       *\r
-     *    Help yourself get started quickly and support the FreeRTOS         *\r
-     *    project by purchasing a FreeRTOS tutorial book, reference          *\r
-     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
-     *                                                                       *\r
-     *    Thank you!                                                         *\r
-     *                                                                       *\r
-    ***************************************************************************\r
-\r
     This file is part of the FreeRTOS distribution.\r
 \r
     FreeRTOS is free software; you can redistribute it and/or modify it under\r
     the terms of the GNU General Public License (version 2) as published by the\r
-    Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
+    Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
 \r
+    ***************************************************************************\r
     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
     >>!   obliged to provide the source code for proprietary components     !<<\r
     >>!   outside of the FreeRTOS kernel.                                   !<<\r
+    ***************************************************************************\r
 \r
     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
-    FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
+    FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
     link: http://www.freertos.org/a00114.html\r
 \r
-    1 tab == 4 spaces!\r
-\r
     ***************************************************************************\r
      *                                                                       *\r
-     *    Having a problem?  Start by reading the FAQ "My application does   *\r
-     *    not run, what could be wrong?"                                     *\r
+     *    FreeRTOS provides completely free yet professionally developed,    *\r
+     *    robust, strictly quality controlled, supported, and cross          *\r
+     *    platform software that is more than just the market leader, it     *\r
+     *    is the industry's de facto standard.                               *\r
      *                                                                       *\r
-     *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
+     *    Help yourself get started quickly while simultaneously helping     *\r
+     *    to support the FreeRTOS project by purchasing a FreeRTOS           *\r
+     *    tutorial book, reference manual, or both:                          *\r
+     *    http://www.FreeRTOS.org/Documentation                              *\r
      *                                                                       *\r
     ***************************************************************************\r
 \r
-    http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
-    license and Real Time Engineers Ltd. contact details.\r
+    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading\r
+    the FAQ page "My application does not run, what could be wrong?".  Have you\r
+    defined configASSERT()?\r
+\r
+    http://www.FreeRTOS.org/support - In return for receiving this top quality\r
+    embedded software for free we request you assist our global community by\r
+    participating in the support forum.\r
+\r
+    http://www.FreeRTOS.org/training - Investing in training allows your team to\r
+    be as productive as possible as early as possible.  Now you can receive\r
+    FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
+    Ltd, and the world's leading authority on the world's leading RTOS.\r
 \r
     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
 \r
-    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
-    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
-    licenses offer ticketed support, indemnification and middleware.\r
+    http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
+    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
+\r
+    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
+    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
+    licenses offer ticketed support, indemnification and commercial middleware.\r
 \r
     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
     engineered and independently SIL3 certified version for use in safety and\r
@@ -96,10 +100,14 @@ typedef unsigned long UBaseType_t;
 \r
 #if( configUSE_16_BIT_TICKS == 1 )\r
        typedef uint16_t TickType_t;\r
-       #define portMAX_DELAY 0xffff\r
+       #define portMAX_DELAY ( TickType_t ) 0xffff\r
 #else\r
        typedef uint32_t TickType_t;\r
-       #define portMAX_DELAY 0xffffffffUL\r
+       #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
+\r
+       /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
+       not need to be guarded with a critical section. */\r
+       #define portTICK_TYPE_IS_ATOMIC 1\r
 #endif\r
 /*-----------------------------------------------------------*/\r
 \r
@@ -110,12 +118,19 @@ typedef unsigned long UBaseType_t;
 /*-----------------------------------------------------------*/\r
 \r
 /* Scheduler utilities. */\r
-extern void vPortYield( void );\r
-#define portNVIC_INT_CTRL_REG          ( * ( ( volatile uint32_t * ) 0xe000ed04UL ) )\r
+#define portYIELD()                                                                                    \\r
+{                                                                                                                      \\r
+       /* Set a PendSV to request a context switch. */                 \\r
+       portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT;                 \\r
+       __DSB();                                                                                                \\r
+       __ISB();                                                                                                \\r
+}\r
+\r
+#define portNVIC_INT_CTRL_REG          ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )\r
 #define portNVIC_PENDSVSET_BIT         ( 1UL << 28UL )\r
-#define portYIELD()                                    vPortYield()\r
-#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT\r
+#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD()\r
 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )\r
+\r
 /*-----------------------------------------------------------*/\r
 \r
 /* Architecture specific optimisations. */\r
@@ -131,13 +146,13 @@ extern void vPortYield( void );
        #endif\r
 \r
        /* Store/clear the ready priorities in a bit map. */\r
-       #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) )\r
-       #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) )\r
+       #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )\r
+       #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )\r
 \r
        /*-----------------------------------------------------------*/\r
 \r
        #include <intrinsics.h>\r
-       #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __CLZ( ( uxReadyPriorities ) ) )\r
+       #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( ( uint32_t ) __CLZ( ( uxReadyPriorities ) ) ) )\r
 \r
 #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */\r
 /*-----------------------------------------------------------*/\r
@@ -145,15 +160,19 @@ extern void vPortYield( void );
 /* Critical section management. */\r
 extern void vPortEnterCritical( void );\r
 extern void vPortExitCritical( void );\r
-extern uint32_t ulPortSetInterruptMask( void );\r
-extern void vPortClearInterruptMask( uint32_t ulNewMask );\r
 \r
-#define portDISABLE_INTERRUPTS()                               ulPortSetInterruptMask()\r
-#define portENABLE_INTERRUPTS()                                        vPortClearInterruptMask( 0 )\r
+#define portDISABLE_INTERRUPTS()                                                       \\r
+{                                                                                                                      \\r
+       __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY );  \\r
+       __DSB();                                                                                                \\r
+       __ISB();                                                                                                \\r
+}\r
+\r
+#define portENABLE_INTERRUPTS()                                        __set_BASEPRI( 0 )\r
 #define portENTER_CRITICAL()                                   vPortEnterCritical()\r
 #define portEXIT_CRITICAL()                                            vPortExitCritical()\r
-#define portSET_INTERRUPT_MASK_FROM_ISR()              ulPortSetInterruptMask()\r
-#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)   vPortClearInterruptMask( x )\r
+#define portSET_INTERRUPT_MASK_FROM_ISR()              __get_BASEPRI(); portDISABLE_INTERRUPTS()\r
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)   __set_BASEPRI( x )\r
 /*-----------------------------------------------------------*/\r
 \r
 /* Tickless idle/low power functionality. */\r
@@ -161,6 +180,7 @@ extern void vPortClearInterruptMask( uint32_t ulNewMask );
        extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );\r
        #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )\r
 #endif\r
+\r
 /*-----------------------------------------------------------*/\r
 \r
 /* Task function macros as described on the FreeRTOS.org WEB site.  These are\r
@@ -178,6 +198,8 @@ not necessary for to use this port.  They are defined so the common demo files
 /* portNOP() is not required by this port. */\r
 #define portNOP()\r
 \r
+/*-----------------------------------------------------------*/\r
+\r
 /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in\r
 the source code because to do so would cause other compilers to generate\r
 warnings. */\r