diff options
Diffstat (limited to 'third_party/FreeRTOS/portable')
| -rw-r--r-- | third_party/FreeRTOS/portable/IAR/ARM_CM0/FreeRTOSConfig.h | 157 | ||||
| -rw-r--r-- | third_party/FreeRTOS/portable/IAR/ARM_CM0/port.c | 255 | ||||
| -rw-r--r-- | third_party/FreeRTOS/portable/IAR/ARM_CM0/portasm.s | 131 | ||||
| -rw-r--r-- | third_party/FreeRTOS/portable/IAR/ARM_CM0/portmacro.h | 164 | ||||
| -rw-r--r-- | third_party/FreeRTOS/portable/readme.txt | 19 |
5 files changed, 726 insertions, 0 deletions
diff --git a/third_party/FreeRTOS/portable/IAR/ARM_CM0/FreeRTOSConfig.h b/third_party/FreeRTOS/portable/IAR/ARM_CM0/FreeRTOSConfig.h new file mode 100644 index 0000000..194cca0 --- /dev/null +++ b/third_party/FreeRTOS/portable/IAR/ARM_CM0/FreeRTOSConfig.h @@ -0,0 +1,157 @@ +/* + FreeRTOS V8.0.0 - Copyright (C) 2014 Real Time Engineers Ltd. + All rights reserved + + VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. + + *************************************************************************** + * * + * FreeRTOS provides completely free yet professionally developed, * + * robust, strictly quality controlled, supported, and cross * + * platform software that has become a de facto standard. * + * * + * Help yourself get started quickly and support the FreeRTOS * + * project by purchasing a FreeRTOS tutorial book, reference * + * manual, or both from: http://www.FreeRTOS.org/Documentation * + * * + * Thank you! * + * * + *************************************************************************** + + This file is part of the FreeRTOS distribution. + + FreeRTOS is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License (version 2) as published by the + Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. + + >>! NOTE: The modification to the GPL is included to allow you to distribute + >>! a combined work that includes FreeRTOS without being obliged to provide + >>! the source code for proprietary components outside of the FreeRTOS + >>! kernel. + + FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. Full license text is available from the following + link: http://www.freertos.org/a00114.html + + 1 tab == 4 spaces! + + *************************************************************************** + * * + * Having a problem? Start by reading the FAQ "My application does * + * not run, what could be wrong?" * + * * + * http://www.FreeRTOS.org/FAQHelp.html * + * * + *************************************************************************** + + http://www.FreeRTOS.org - Documentation, books, training, latest versions, + license and Real Time Engineers Ltd. contact details. + + http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, + including FreeRTOS+Trace - an indispensable productivity tool, a DOS + compatible FAT file system, and our tiny thread aware UDP/IP stack. + + http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High + Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS + licenses offer ticketed support, indemnification and middleware. + + http://www.SafeRTOS.com - High Integrity Systems also provide a safety + engineered and independently SIL3 certified version for use in safety and + mission critical applications that require provable dependability. + + 1 tab == 4 spaces! +*/ + + +/* The following #error directive is to remind users that a batch file must be + * executed prior to this project being built. The batch file *cannot* be + * executed from within CCS4! Once it has been executed, re-open or refresh + * the CCS4 project and remove the #error line below. + */ +//#error Ensure CreateProjectDirectoryStructure.bat has been executed before building. See comment immediately above. + + +#ifndef FREERTOS_CONFIG_H +#define FREERTOS_CONFIG_H + +/*----------------------------------------------------------- + * Application specific definitions. + * + * These definitions should be adjusted for your particular hardware and + * application requirements. + * + * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE + * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE. + * + * See http://www.freertos.org/a00110.html. + *----------------------------------------------------------*/ + +#define configUSE_PREEMPTION 1 // 1 - Вытесняющаяя многозадачность, 0 - Кооперативная +#define configUSE_IDLE_HOOK 1 +#define configUSE_TICK_HOOK 0 +#define configCPU_CLOCK_HZ ( 48000000UL ) // tros было 24000000UL +#define configTICK_RATE_HZ ( ( TickType_t ) 1000 ) +#define configMAX_PRIORITIES ( 5 ) + +#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 70 ) // trots, was 70 +#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 10 * 1024 ) ) // trots, was 10 // Уменьшил MEM_SIZE в файле lwipopts.h + +#define configMAX_TASK_NAME_LEN ( 10 ) +#define configUSE_TRACE_FACILITY 0 +#define configUSE_16_BIT_TICKS 0 +#define configIDLE_SHOULD_YIELD 1 +#define configUSE_MUTEXES 1 +#define configQUEUE_REGISTRY_SIZE 0 +#define configGENERATE_RUN_TIME_STATS 0 +#define configCHECK_FOR_STACK_OVERFLOW 2 // trots was 2 +#define configUSE_RECURSIVE_MUTEXES 0 +#define configUSE_MALLOC_FAILED_HOOK 1 +#define configUSE_APPLICATION_TASK_TAG 0 +#define configUSE_COUNTING_SEMAPHORES 0 + +/* Co-routine definitions. */ +#define configUSE_CO_ROUTINES 0 // Чтобы использовать программные таймеры, нужно единичку (там прототипы содержатся) +#define configMAX_CO_ROUTINE_PRIORITIES ( 2 ) + +/* Software timer definitions. */ +#define configUSE_TIMERS 1 +#define configTIMER_TASK_PRIORITY ( 3 ) +#define configTIMER_QUEUE_LENGTH 5 +#define configTIMER_TASK_STACK_DEPTH ( configMINIMAL_STACK_SIZE ) + +/* Set the following definitions to 1 to include the API function, or zero +to exclude the API function. */ +#define INCLUDE_vTaskPrioritySet 1 +#define INCLUDE_uxTaskPriorityGet 1 +#define INCLUDE_vTaskDelete 1 +#define INCLUDE_vTaskCleanUpResources 1 +#define INCLUDE_vTaskSuspend 1 +#define INCLUDE_vTaskDelayUntil 1 +#define INCLUDE_vTaskDelay 1 + +/* Use the system definition, if there is one */ +#ifdef __NVIC_PRIO_BITS + #define configPRIO_BITS __NVIC_PRIO_BITS +#else + #define configPRIO_BITS 4 /* 15 priority levels */ +#endif + +#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY 15 +#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 11 + +/* The lowest priority. */ +#define configKERNEL_INTERRUPT_PRIORITY ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) ) +/* Priority 5, or 95 as only the top four bits are implemented. */ +/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!! +See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */ +#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) ) + +#define configASSERT( x ) if( ( x ) == 0 ) { taskDISABLE_INTERRUPTS(); for( ;; ); } + +#define vPortSVCHandler SVC_Handler +#define xPortPendSVHandler PendSV_Handler +#define xPortSysTickHandler SysTick_Handler + +#endif /* FREERTOS_CONFIG_H */ + diff --git a/third_party/FreeRTOS/portable/IAR/ARM_CM0/port.c b/third_party/FreeRTOS/portable/IAR/ARM_CM0/port.c new file mode 100644 index 0000000..f6231c1 --- /dev/null +++ b/third_party/FreeRTOS/portable/IAR/ARM_CM0/port.c @@ -0,0 +1,255 @@ +/* + FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd. + All rights reserved + + VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. + + This file is part of the FreeRTOS distribution. + + FreeRTOS is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License (version 2) as published by the + Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. + + *************************************************************************** + >>! NOTE: The modification to the GPL is included to allow you to !<< + >>! distribute a combined work that includes FreeRTOS without being !<< + >>! obliged to provide the source code for proprietary components !<< + >>! outside of the FreeRTOS kernel. !<< + *************************************************************************** + + FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. Full license text is available on the following + link: http://www.freertos.org/a00114.html + + *************************************************************************** + * * + * FreeRTOS provides completely free yet professionally developed, * + * robust, strictly quality controlled, supported, and cross * + * platform software that is more than just the market leader, it * + * is the industry's de facto standard. * + * * + * Help yourself get started quickly while simultaneously helping * + * to support the FreeRTOS project by purchasing a FreeRTOS * + * tutorial book, reference manual, or both: * + * http://www.FreeRTOS.org/Documentation * + * * + *************************************************************************** + + http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading + the FAQ page "My application does not run, what could be wrong?". Have you + defined configASSERT()? + + http://www.FreeRTOS.org/support - In return for receiving this top quality + embedded software for free we request you assist our global community by + participating in the support forum. + + http://www.FreeRTOS.org/training - Investing in training allows your team to + be as productive as possible as early as possible. Now you can receive + FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers + Ltd, and the world's leading authority on the world's leading RTOS. + + http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, + including FreeRTOS+Trace - an indispensable productivity tool, a DOS + compatible FAT file system, and our tiny thread aware UDP/IP stack. + + http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. + Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. + + http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High + Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS + licenses offer ticketed support, indemnification and commercial middleware. + + http://www.SafeRTOS.com - High Integrity Systems also provide a safety + engineered and independently SIL3 certified version for use in safety and + mission critical applications that require provable dependability. + + 1 tab == 4 spaces! +*/ + +/*----------------------------------------------------------- + * Implementation of functions defined in portable.h for the ARM CM0 port. + *----------------------------------------------------------*/ + +/* IAR includes. */ +#include "intrinsics.h" + +/* Scheduler includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* Constants required to manipulate the NVIC. */ +#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t *) 0xe000e010 ) +#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t *) 0xe000e014 ) +#define portNVIC_SYSPRI2 ( ( volatile uint32_t *) 0xe000ed20 ) +#define portNVIC_SYSTICK_CLK 0x00000004 +#define portNVIC_SYSTICK_INT 0x00000002 +#define portNVIC_SYSTICK_ENABLE 0x00000001 +#define portMIN_INTERRUPT_PRIORITY ( 255UL ) +#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) +#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) + +/* Constants required to set up the initial stack. */ +#define portINITIAL_XPSR ( 0x01000000 ) + +/* For backward compatibility, ensure configKERNEL_INTERRUPT_PRIORITY is +defined. The value 255 should also ensure backward compatibility. +FreeRTOS.org versions prior to V4.3.0 did not include this definition. */ +#ifndef configKERNEL_INTERRUPT_PRIORITY + #define configKERNEL_INTERRUPT_PRIORITY 0 +#endif + +/* Each task maintains its own interrupt status in the critical nesting +variable. */ +static UBaseType_t uxCriticalNesting = 0xaaaaaaaa; + +/* + * Setup the timer to generate the tick interrupts. + */ +static void prvSetupTimerInterrupt( void ); + +/* + * Exception handlers. + */ +void xPortSysTickHandler( void ); + +/* + * Start first task is a separate function so it can be tested in isolation. + */ +extern void vPortStartFirstTask( void ); + +/* + * Used to catch tasks that attempt to return from their implementing function. + */ +static void prvTaskExitError( void ); + +/*-----------------------------------------------------------*/ + +/* + * See header file for description. + */ +StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) +{ + /* Simulate the stack frame as it would be created by a context switch + interrupt. */ + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) prvTaskExitError; /* LR */ + pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack -= 8; /* R11..R4. */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ + +static void prvTaskExitError( void ) +{ + /* A function that implements a task must not exit or attempt to return to + its caller as there is nothing to return to. If a task wants to exit it + should instead call vTaskDelete( NULL ). + + Artificially force an assert() to be triggered if configASSERT() is + defined, then stop here so application writers can catch the error. */ + configASSERT( uxCriticalNesting == ~0UL ); + portDISABLE_INTERRUPTS(); + for( ;; ); +} +/*-----------------------------------------------------------*/ + +/* + * See header file for description. + */ +BaseType_t xPortStartScheduler( void ) +{ + /* Make PendSV and SysTick the lowest priority interrupts. */ + *(portNVIC_SYSPRI2) |= portNVIC_PENDSV_PRI; + *(portNVIC_SYSPRI2) |= portNVIC_SYSTICK_PRI; + + /* Start the timer that generates the tick ISR. Interrupts are disabled + here already. */ + prvSetupTimerInterrupt(); + + /* Initialise the critical nesting count ready for the first task. */ + uxCriticalNesting = 0; + + /* Start the first task. */ + vPortStartFirstTask(); + + /* Should not get here! */ + return 0; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) +{ + /* Not implemented in ports where there is nothing to return to. + Artificially force an assert. */ + configASSERT( uxCriticalNesting == 1000UL ); +} +/*-----------------------------------------------------------*/ + +void vPortYield( void ) +{ + /* Set a PendSV to request a context switch. */ + *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET; + + /* Barriers are normally not required but do ensure the code is completely + within the specified behaviour for the architecture. */ + __DSB(); + __ISB(); +} +/*-----------------------------------------------------------*/ + +void vPortEnterCritical( void ) +{ + portDISABLE_INTERRUPTS(); + uxCriticalNesting++; + __DSB(); + __ISB(); +} +/*-----------------------------------------------------------*/ + +void vPortExitCritical( void ) +{ + configASSERT( uxCriticalNesting ); + uxCriticalNesting--; + if( uxCriticalNesting == 0 ) + { + portENABLE_INTERRUPTS(); + } +} +/*-----------------------------------------------------------*/ + +void xPortSysTickHandler( void ) +{ +uint32_t ulPreviousMask; + + ulPreviousMask = portSET_INTERRUPT_MASK_FROM_ISR(); + { + /* Increment the RTOS tick. */ + if( xTaskIncrementTick() != pdFALSE ) + { + /* Pend a context switch. */ + *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET; + } + } + portCLEAR_INTERRUPT_MASK_FROM_ISR( ulPreviousMask ); +} +/*-----------------------------------------------------------*/ + +/* + * Setup the systick timer to generate the tick interrupts at the required + * frequency. + */ +static void prvSetupTimerInterrupt( void ) +{ + /* Configure SysTick to interrupt at the requested rate. */ + *(portNVIC_SYSTICK_LOAD) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; + *(portNVIC_SYSTICK_CTRL) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; +} +/*-----------------------------------------------------------*/ + diff --git a/third_party/FreeRTOS/portable/IAR/ARM_CM0/portasm.s b/third_party/FreeRTOS/portable/IAR/ARM_CM0/portasm.s new file mode 100644 index 0000000..ec98a86 --- /dev/null +++ b/third_party/FreeRTOS/portable/IAR/ARM_CM0/portasm.s @@ -0,0 +1,131 @@ +/* + * FreeRTOS Kernel V10.0.1 + * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#include <FreeRTOSConfig.h> + + RSEG CODE:CODE(2) + thumb + + EXTERN vPortYieldFromISR + EXTERN pxCurrentTCB + EXTERN vTaskSwitchContext + + PUBLIC vSetMSP + PUBLIC xPortPendSVHandler + PUBLIC vPortSVCHandler + PUBLIC vPortStartFirstTask + PUBLIC ulSetInterruptMaskFromISR + PUBLIC vClearInterruptMaskFromISR + +/*-----------------------------------------------------------*/ + +vSetMSP + msr msp, r0 + bx lr + +/*-----------------------------------------------------------*/ + +xPortPendSVHandler: + mrs r0, psp + + ldr r3, =pxCurrentTCB /* Get the location of the current TCB. */ + ldr r2, [r3] + + subs r0, r0, #32 /* Make space for the remaining low registers. */ + str r0, [r2] /* Save the new top of stack. */ + stmia r0!, {r4-r7} /* Store the low registers that are not saved automatically. */ + mov r4, r8 /* Store the high registers. */ + mov r5, r9 + mov r6, r10 + mov r7, r11 + stmia r0!, {r4-r7} + + push {r3, r14} + cpsid i + bl vTaskSwitchContext + cpsie i + pop {r2, r3} /* lr goes in r3. r2 now holds tcb pointer. */ + + ldr r1, [r2] + ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. */ + adds r0, r0, #16 /* Move to the high registers. */ + ldmia r0!, {r4-r7} /* Pop the high registers. */ + mov r8, r4 + mov r9, r5 + mov r10, r6 + mov r11, r7 + + msr psp, r0 /* Remember the new top of stack for the task. */ + + subs r0, r0, #32 /* Go back for the low registers that are not automatically restored. */ + ldmia r0!, {r4-r7} /* Pop low registers. */ + + bx r3 + +/*-----------------------------------------------------------*/ + +vPortSVCHandler; + /* This function is no longer used, but retained for backward + compatibility. */ + bx lr + +/*-----------------------------------------------------------*/ + +vPortStartFirstTask + /* The MSP stack is not reset as, unlike on M3/4 parts, there is no vector + table offset register that can be used to locate the initial stack value. + Not all M0 parts have the application vector table at address 0. */ + + ldr r3, =pxCurrentTCB /* Obtain location of pxCurrentTCB. */ + ldr r1, [r3] + ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + movs r0, #2 /* Switch to the psp stack. */ + msr CONTROL, r0 + isb + pop {r0-r5} /* Pop the registers that are saved automatically. */ + mov lr, r5 /* lr is now in r5. */ + pop {r3} /* The return address is now in r3. */ + pop {r2} /* Pop and discard the XPSR. */ + cpsie i /* The first task has its context and interrupts can be enabled. */ + bx r3 /* Jump to the user defined task code. */ + +/*-----------------------------------------------------------*/ + +ulSetInterruptMaskFromISR + mrs r0, PRIMASK + cpsid i + bx lr + +/*-----------------------------------------------------------*/ + +vClearInterruptMaskFromISR + msr PRIMASK, r0 + bx lr + + END diff --git a/third_party/FreeRTOS/portable/IAR/ARM_CM0/portmacro.h b/third_party/FreeRTOS/portable/IAR/ARM_CM0/portmacro.h new file mode 100644 index 0000000..be6729c --- /dev/null +++ b/third_party/FreeRTOS/portable/IAR/ARM_CM0/portmacro.h @@ -0,0 +1,164 @@ +/* + FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd. + All rights reserved + + VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. + + This file is part of the FreeRTOS distribution. + + FreeRTOS is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License (version 2) as published by the + Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. + + *************************************************************************** + >>! NOTE: The modification to the GPL is included to allow you to !<< + >>! distribute a combined work that includes FreeRTOS without being !<< + >>! obliged to provide the source code for proprietary components !<< + >>! outside of the FreeRTOS kernel. !<< + *************************************************************************** + + FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. Full license text is available on the following + link: http://www.freertos.org/a00114.html + + *************************************************************************** + * * + * FreeRTOS provides completely free yet professionally developed, * + * robust, strictly quality controlled, supported, and cross * + * platform software that is more than just the market leader, it * + * is the industry's de facto standard. * + * * + * Help yourself get started quickly while simultaneously helping * + * to support the FreeRTOS project by purchasing a FreeRTOS * + * tutorial book, reference manual, or both: * + * http://www.FreeRTOS.org/Documentation * + * * + *************************************************************************** + + http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading + the FAQ page "My application does not run, what could be wrong?". Have you + defined configASSERT()? + + http://www.FreeRTOS.org/support - In return for receiving this top quality + embedded software for free we request you assist our global community by + participating in the support forum. + + http://www.FreeRTOS.org/training - Investing in training allows your team to + be as productive as possible as early as possible. Now you can receive + FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers + Ltd, and the world's leading authority on the world's leading RTOS. + + http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, + including FreeRTOS+Trace - an indispensable productivity tool, a DOS + compatible FAT file system, and our tiny thread aware UDP/IP stack. + + http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. + Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. + + http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High + Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS + licenses offer ticketed support, indemnification and commercial middleware. + + http://www.SafeRTOS.com - High Integrity Systems also provide a safety + engineered and independently SIL3 certified version for use in safety and + mission critical applications that require provable dependability. + + 1 tab == 4 spaces! +*/ + + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*----------------------------------------------------------- + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the + * given hardware and compiler. + * + * These settings should not be altered. + *----------------------------------------------------------- + */ + +/* Type definitions. */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT short +#define portSTACK_TYPE uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + + /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do + not need to be guarded with a critical section. */ + #define portTICK_TYPE_IS_ATOMIC 1 +#endif +/*-----------------------------------------------------------*/ + +/* Architecture specifics. */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +/*-----------------------------------------------------------*/ + + +/* Scheduler utilities. */ +extern void vPortYield( void ); +#define portNVIC_INT_CTRL ( ( volatile uint32_t *) 0xe000ed04 ) +#define portNVIC_PENDSVSET 0x10000000 +#define portYIELD() vPortYield() +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + + +/* Critical section management. */ + +extern void vPortEnterCritical( void ); +extern void vPortExitCritical( void ); +extern uint32_t ulSetInterruptMaskFromISR( void ); +extern void vClearInterruptMaskFromISR( uint32_t ulMask ); + +#define portDISABLE_INTERRUPTS() __asm volatile( "cpsid i" ) +#define portENABLE_INTERRUPTS() __asm volatile( "cpsie i" ) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() +#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) + +/*-----------------------------------------------------------*/ + +/* Task function macros as described on the FreeRTOS.org WEB site. */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) + +#define portNOP() + +/* Suppress warnings that are generated by the IAR tools, but cannot be fixed in +the source code because to do so would cause other compilers to generate +warnings. */ +#pragma diag_suppress=Pa082 + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ + diff --git a/third_party/FreeRTOS/portable/readme.txt b/third_party/FreeRTOS/portable/readme.txt new file mode 100644 index 0000000..43e7c1d --- /dev/null +++ b/third_party/FreeRTOS/portable/readme.txt @@ -0,0 +1,19 @@ +Each real time kernel port consists of three files that contain the core kernel +components and are common to every port, and one or more files that are +specific to a particular microcontroller and/or compiler. + + ++ The FreeRTOS/Source/Portable/MemMang directory contains the three sample +memory allocators as described on the http://www.FreeRTOS.org WEB site. + ++ The other directories each contain files specific to a particular +microcontroller or compiler. + + + +For example, if you are interested in the GCC port for the ATMega323 +microcontroller then the port specific files are contained in +FreeRTOS/Source/Portable/GCC/ATMega323 directory. If this is the only +port you are interested in then all the other directories can be +ignored. + |