/*\r
- FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
-\r
- FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT \r
- http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS tutorial books are available in pdf and paperback. *\r
- * Complete, revised, and edited pdf reference manuals are also *\r
- * available. *\r
- * *\r
- * Purchasing FreeRTOS documentation will not only help you, by *\r
- * ensuring you get running as quickly as possible and with an *\r
- * in-depth knowledge of how to use FreeRTOS, it will also help *\r
- * the FreeRTOS project to continue with its mission of providing *\r
- * professional grade, cross platform, de facto standard solutions *\r
- * for microcontrollers - completely free of charge! *\r
- * *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
- * *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
- * *\r
- ***************************************************************************\r
+ FreeRTOS V8.2.2 - Copyright (C) 2015 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
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
- >>>NOTE<<< The modification to the GPL is included to allow you to\r
- distribute a combined work that includes FreeRTOS without being obliged to\r
- provide the source code for proprietary components outside of the FreeRTOS\r
- kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
- more details. You should have received a copy of the GNU General Public\r
- License and the FreeRTOS license exception along with FreeRTOS; if not it\r
- can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
- by writing to Richard Barry, contact details for whom are available on the\r
- FreeRTOS WEB site.\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 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
- \r
- http://www.FreeRTOS.org - Documentation, training, latest versions, license \r
- and contact details. \r
- \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.\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.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
+ mission critical applications that require provable dependability.\r
\r
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
- the code with commercial support, indemnification, and middleware, under \r
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also\r
- provide a safety engineered and independently SIL3 certified version under \r
- the SafeRTOS brand: http://www.SafeRTOS.com.\r
+ 1 tab == 4 spaces!\r
*/\r
\r
/*-----------------------------------------------------------\r
- * Implementation of functions defined in portable.h for the SH2A port.\r
+ * Implementation of functions defined in portable.h for the RX200 port.\r
*----------------------------------------------------------*/\r
\r
/* Scheduler includes. */\r
\r
/*-----------------------------------------------------------*/\r
\r
-/* Tasks should start with interrupts enabled and in Supervisor mode, therefore \r
+/* Tasks should start with interrupts enabled and in Supervisor mode, therefore\r
PSW is set with U and I set, and PM and IPL clear. */\r
-#define portINITIAL_PSW ( ( portSTACK_TYPE ) 0x00030000 )\r
+#define portINITIAL_PSW ( ( StackType_t ) 0x00030000 )\r
\r
/*-----------------------------------------------------------*/\r
\r
/* The following lines are to ensure vSoftwareInterruptEntry can be referenced,\r
and therefore installed in the vector table, when the FreeRTOS code is built\r
as a library. */\r
-extern portBASE_TYPE vSoftwareInterruptEntry;\r
-const portBASE_TYPE * p_vSoftwareInterruptEntry = &vSoftwareInterruptEntry;\r
+extern BaseType_t vSoftwareInterruptEntry;\r
+const BaseType_t * p_vSoftwareInterruptEntry = &vSoftwareInterruptEntry;\r
\r
/*-----------------------------------------------------------*/\r
\r
/*\r
* Function to start the first task executing - written in asm code as direct\r
- * access to registers is required. \r
+ * access to registers is required.\r
*/\r
static void prvStartFirstTask( void );\r
\r
\r
/*\r
* The entry point for the software interrupt handler. This is the function\r
- * that calls the inline asm function prvYieldHandler(). It is installed in \r
+ * that calls the inline asm function prvYieldHandler(). It is installed in\r
* the vector table, but the code that installs it is in prvYieldHandler rather\r
* than using a #pragma.\r
*/\r
\r
/*-----------------------------------------------------------*/\r
\r
-/* \r
- * See header file for description. \r
+/*\r
+ * See header file for description.\r
*/\r
-portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )\r
+StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )\r
{\r
+ /* Offset to end up on 8 byte boundary. */\r
+ pxTopOfStack--;\r
+\r
/* R0 is not included as it is the stack pointer. */\r
- \r
*pxTopOfStack = 0x00;\r
pxTopOfStack--;\r
*pxTopOfStack = 0x00;\r
pxTopOfStack--;\r
*pxTopOfStack = portINITIAL_PSW;\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) pxCode;\r
- \r
+ *pxTopOfStack = ( StackType_t ) pxCode;\r
+\r
/* When debugging it can be useful if every register is set to a known\r
value. Otherwise code space can be saved by just setting the registers\r
that need to be set. */\r
#ifdef USE_FULL_REGISTER_INITIALISATION\r
{\r
pxTopOfStack--;\r
- *pxTopOfStack = 0xffffffff; /* r15. */\r
+ *pxTopOfStack = 0x12345678; /* r15. */\r
pxTopOfStack--;\r
- *pxTopOfStack = 0xeeeeeeee;\r
+ *pxTopOfStack = 0xaaaabbbb;\r
pxTopOfStack--;\r
*pxTopOfStack = 0xdddddddd;\r
pxTopOfStack--;\r
pxTopOfStack -= 15;\r
}\r
#endif\r
- \r
- *pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R1 */\r
- pxTopOfStack--; \r
+\r
+ *pxTopOfStack = ( StackType_t ) pvParameters; /* R1 */\r
+ pxTopOfStack--;\r
*pxTopOfStack = 0x12345678; /* Accumulator. */\r
pxTopOfStack--;\r
*pxTopOfStack = 0x87654321; /* Accumulator. */\r
}\r
/*-----------------------------------------------------------*/\r
\r
-portBASE_TYPE xPortStartScheduler( void )\r
+BaseType_t xPortStartScheduler( void )\r
{\r
extern void vApplicationSetupTimerInterrupt( void );\r
\r
if( pxCurrentTCB != NULL )\r
{\r
/* Call an application function to set up the timer that will generate the\r
- tick interrupt. This way the application can decide which peripheral to \r
+ tick interrupt. This way the application can decide which peripheral to\r
use. A demo application is provided to show a suitable example. */\r
vApplicationSetupTimerInterrupt();\r
\r
- /* Enable the software interrupt. */ \r
+ /* Enable the software interrupt. */\r
_IEN( _ICU_SWINT ) = 1;\r
- \r
+\r
/* Ensure the software interrupt is clear. */\r
_IR( _ICU_SWINT ) = 0;\r
- \r
+\r
/* Ensure the software interrupt is set to the kernel priority. */\r
_IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;\r
- \r
+\r
/* Start the first task. */\r
prvStartFirstTask();\r
}\r
Just ensure the current stack is the user stack. */\r
SETPSW U\r
\r
- /* Obtain the location of the stack associated with which ever task \r
+ /* Obtain the location of the stack associated with which ever task\r
pxCurrentTCB is currently pointing to. */\r
MOV.L #_pxCurrentTCB, R15\r
MOV.L [R15], R15\r
MOV.L [R15], R0\r
\r
- /* Restore the registers from the stack of the task pointed to by \r
+ /* Restore the registers from the stack of the task pointed to by\r
pxCurrentTCB. */\r
POP R15\r
MVTACLO R15 /* Accumulator low 32 bits. */\r
necessitates. */\r
set_ipl( configMAX_SYSCALL_INTERRUPT_PRIORITY );\r
{\r
- vTaskIncrementTick();\r
+ if( xTaskIncrementTick() != pdFALSE )\r
+ {\r
+ taskYIELD();\r
+ }\r
}\r
set_ipl( configKERNEL_INTERRUPT_PRIORITY );\r
- \r
- /* Only select a new task if the preemptive scheduler is being used. */\r
- #if( configUSE_PREEMPTION == 1 )\r
- taskYIELD();\r
- #endif\r
}\r
/*-----------------------------------------------------------*/\r
\r
SETPSW I\r
\r
/* Move the data that was automatically pushed onto the interrupt stack when\r
- the interrupt occurred from the interrupt stack to the user stack. \r
- \r
+ the interrupt occurred from the interrupt stack to the user stack.\r
+\r
R15 is saved before it is clobbered. */\r
PUSH.L R15\r
- \r
+\r
/* Read the user stack pointer. */\r
MVFC USP, R15\r
- \r
+\r
/* Move the address down to the data being moved. */\r
SUB #12, R15\r
MVTC R15, USP\r
- \r
+\r
/* Copy the data across. */\r
MOV.L [ R0 ], [ R15 ] ; R15\r
MOV.L 4[ R0 ], 4[ R15 ] ; PC\r
\r
/* Move the interrupt stack pointer to its new correct position. */\r
ADD #12, R0\r
- \r
+\r
/* All the rest of the registers are saved directly to the user stack. */\r
SETPSW U\r
\r
/* Save the rest of the general registers (R15 has been saved already). */\r
PUSHM R1-R14\r
- \r
+\r
/* Save the accumulator. */\r
MVFACHI R15\r
PUSH.L R15\r
MOV.L #_pxCurrentTCB, R15\r
MOV.L [ R15 ], R15\r
MOV.L R0, [ R15 ]\r
- \r
+\r
/* Ensure the interrupt mask is set to the syscall priority while the kernel\r
structures are being accessed. */\r
MVTIPL #configMAX_SYSCALL_INTERRUPT_PRIORITY\r
\r
void vPortEndScheduler( void )\r
{\r
- /* Not implemented as there is nothing to return to. */\r
- \r
+ /* Not implemented in ports where there is nothing to return to.\r
+ Artificially force an assert. */\r
+ configASSERT( pxCurrentTCB == NULL );\r
+\r
/* The following line is just to prevent the symbol getting optimised away. */\r
( void ) vTaskSwitchContext();\r
}\r
projects / freertos / blobdiff