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/*
* FreeRTOS Kernel V10.2.1
* Copyright (C) 2019 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!
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* App includes. */
#include "app_main.h"
/* Demo includes. */
#include "mpu_demo.h"
#if defined( __ARMCC_VERSION )
extern uint32_t Image$$ER_IROM_FREERTOS_SYSTEM_CALLS$$Base;
extern uint32_t Image$$ER_IROM_FREERTOS_SYSTEM_CALLS$$Limit;
/* Memory map needed for MPU setup. Must must match the one defined in
* the scatter-loading file (MPUDemo.sct). */
const uint32_t * __FLASH_segment_start__ = ( uint32_t * ) 0x08000000;
const uint32_t * __FLASH_segment_end__ = ( uint32_t * ) 0x08100000;
const uint32_t * __SRAM_segment_start__ = ( uint32_t * ) 0x20000000;
const uint32_t * __SRAM_segment_end__ = ( uint32_t * ) 0x20018000;
const uint32_t * __privileged_functions_start__ = ( uint32_t * ) 0x08000000;
const uint32_t * __privileged_functions_end__ = ( uint32_t * ) 0x08008000;
const uint32_t * __privileged_data_start__ = ( uint32_t * ) 0x20000000;
const uint32_t * __privileged_data_end__ = ( uint32_t * ) 0x20000400;
const uint32_t * __syscalls_flash_start__ = ( uint32_t * ) &( Image$$ER_IROM_FREERTOS_SYSTEM_CALLS$$Base );
const uint32_t * __syscalls_flash_end__ = ( uint32_t * ) &( Image$$ER_IROM_FREERTOS_SYSTEM_CALLS$$Limit );
#endif /* #if defined( __ARMCC_VERSION ) */
/*-----------------------------------------------------------*/
/**
* @brief Mem fault handler.
*/
void MemManage_Handler( void ) __attribute__ (( naked ));
/*-----------------------------------------------------------*/
void app_main( void )
{
/* Start the MPU demo. */
vStartMPUDemo();
/* Start the scheduler. */
vTaskStartScheduler();
/* Should not get here. */
for( ;; );
}
/*-----------------------------------------------------------*/
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
{
/* If configCHECK_FOR_STACK_OVERFLOW is set to either 1 or 2 then this
function will automatically get called if a task overflows its stack. */
( void ) pxTask;
( void ) pcTaskName;
for( ;; );
}
/*-----------------------------------------------------------*/
void vApplicationMallocFailedHook( void )
{
/* If configUSE_MALLOC_FAILED_HOOK is set to 1 then this function will
be called automatically if a call to pvPortMalloc() fails. pvPortMalloc()
is called automatically when a task, queue or semaphore is created. */
for( ;; );
}
/*-----------------------------------------------------------*/
/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
used by the Idle task. */
void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize )
{
/* If the buffers to be provided to the Idle task are declared inside this
function then they must be declared static - otherwise they will be allocated on
the stack and so not exists after this function exits. */
static StaticTask_t xIdleTaskTCB;
static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
/* Pass out a pointer to the StaticTask_t structure in which the Idle task's
state will be stored. */
*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
/* Pass out the array that will be used as the Idle task's stack. */
*ppxIdleTaskStackBuffer = uxIdleTaskStack;
/* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
Note that, as the array is necessarily of type StackType_t,
configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
}
/*-----------------------------------------------------------*/
/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
application must provide an implementation of vApplicationGetTimerTaskMemory()
to provide the memory that is used by the Timer service task. */
void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize )
{
/* If the buffers to be provided to the Timer task are declared inside this
function then they must be declared static - otherwise they will be allocated on
the stack and so not exists after this function exits. */
static StaticTask_t xTimerTaskTCB;
static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
/* Pass out a pointer to the StaticTask_t structure in which the Timer
task's state will be stored. */
*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
/* Pass out the array that will be used as the Timer task's stack. */
*ppxTimerTaskStackBuffer = uxTimerTaskStack;
/* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
Note that, as the array is necessarily of type StackType_t,
configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
}
/*-----------------------------------------------------------*/
void MemManage_Handler( void )
{
__asm volatile
(
" tst lr, #4 \n"
" ite eq \n"
" mrseq r0, msp \n"
" mrsne r0, psp \n"
" ldr r1, handler_address_const \n"
" bx r1 \n"
" \n"
" handler_address_const: .word vHandleMemoryFault \n"
);
}
/*-----------------------------------------------------------*/
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