--- /dev/null
+/*
+ * FreeRTOS Kernel V10.3.0
+ * Copyright (C) 2020 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!
+ */
+
+/******************************************************************************
+ * This project provides two demo applications. A simple blinky style project,
+ * and a more comprehensive test and demo application. The
+ * mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.
+ * The simply blinky demo is implemented and described in main_blinky.c. The
+ * more comprehensive test and demo application is implemented and described in
+ * main_full.c.
+ *
+ * This file implements the code that is not demo specific, including the
+ * hardware setup and FreeRTOS hook functions.
+ *
+ *******************************************************************************
+ * NOTE: Windows will not be running the FreeRTOS demo threads continuously, so
+ * do not expect to get real time behaviour from the FreeRTOS Windows port, or
+ * this demo application. Also, the timing information in the FreeRTOS+Trace
+ * logs have no meaningful units. See the documentation page for the Windows
+ * port for further information:
+ * http://www.freertos.org/FreeRTOS-Windows-Simulator-Emulator-for-Visual-Studio-and-Eclipse-MingW.html
+ *
+
+ *
+ *******************************************************************************
+ */
+
+/* Standard includes. */
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+/* FreeRTOS kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Local includes. */
+#include "console.h"
+
+/* This project provides two demo applications. A simple blinky style demo
+application, and a more comprehensive test and demo application. The
+mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.
+
+If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is 1 then the blinky demo will be built.
+The blinky demo is implemented and described in main_blinky.c.
+
+If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is not 1 then the comprehensive test and
+demo application will be built. The comprehensive test and demo application is
+implemented and described in main_full.c. */
+#ifndef mainCREATE_SIMPLE_BLINKY_DEMO_ONLY
+#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
+#endif
+
+/* This demo uses heap_3.c (the libc provided malloc() and free()). */
+
+/*-----------------------------------------------------------*/
+
+/*
+ * main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
+ * main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
+ */
+extern void main_blinky( void );
+extern void main_full( void );
+
+/*
+ * Only the comprehensive demo uses application hook (callback) functions. See
+ * http://www.freertos.org/a00016.html for more information.
+ */
+void vFullDemoTickHookFunction( void );
+void vFullDemoIdleFunction( void );
+
+/*
+ * Prototypes for the standard FreeRTOS application hook (callback) functions
+ * implemented within this file. See http://www.freertos.org/a00016.html .
+ */
+void vApplicationMallocFailedHook( void );
+void vApplicationIdleHook( void );
+void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
+void vApplicationTickHook( void );
+void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize );
+void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize );
+
+/*
+ * Writes trace data to a disk file when the trace recording is stopped.
+ * This function will simply overwrite any trace files that already exist.
+ */
+static void prvSaveTraceFile( void );
+
+/*-----------------------------------------------------------*/
+
+/* When configSUPPORT_STATIC_ALLOCATION is set to 1 the application writer can
+use a callback function to optionally provide the memory required by the idle
+and timer tasks. This is the stack that will be used by the timer task. It is
+declared here, as a global, so it can be checked by a test that is implemented
+in a different file. */
+StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+/* Notes if the trace is running or not. */
+static BaseType_t xTraceRunning = pdTRUE;
+
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+ /* Do not include trace code when performing a code coverage analysis. */
+ #if( projCOVERAGE_TEST != 1 )
+ {
+ /* Initialise the trace recorder. Use of the trace recorder is optional.
+ See http://www.FreeRTOS.org/trace for more information. */
+ vTraceEnable( TRC_START );
+
+ /* Start the trace recording - the recording is written to a file if
+ configASSERT() is called. */
+ printf( "\r\nTrace started.\r\nThe trace will be dumped to disk if a call to configASSERT() fails.\r\n" );
+ printf( "Uncomment the call to kbhit() in this file to also dump trace with a key press.\r\n" );
+ uiTraceStart();
+ }
+ #endif
+
+ console_init();
+
+ /* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
+ of this file. */
+ #if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
+ {
+ main_blinky();
+ }
+ #else
+ {
+ main_full();
+ }
+ #endif
+
+ return 0;
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationMallocFailedHook( void )
+{
+ /* vApplicationMallocFailedHook() will only be called if
+ configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
+ function that will get called if a call to pvPortMalloc() fails.
+ pvPortMalloc() is called internally by the kernel whenever a task, queue,
+ timer or semaphore is created. It is also called by various parts of the
+ demo application. If heap_1.c, heap_2.c or heap_4.c is being used, then the
+ size of the heap available to pvPortMalloc() is defined by
+ configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
+ API function can be used to query the size of free heap space that remains
+ (although it does not provide information on how the remaining heap might be
+ fragmented). See http://www.freertos.org/a00111.html for more
+ information. */
+ vAssertCalled( __LINE__, __FILE__ );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationIdleHook( void )
+{
+ /* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
+ to 1 in FreeRTOSConfig.h. It will be called on each iteration of the idle
+ task. It is essential that code added to this hook function never attempts
+ to block in any way (for example, call xQueueReceive() with a block time
+ specified, or call vTaskDelay()). If application tasks make use of the
+ vTaskDelete() API function to delete themselves then it is also important
+ that vApplicationIdleHook() is permitted to return to its calling function,
+ because it is the responsibility of the idle task to clean up memory
+ allocated by the kernel to any task that has since deleted itself. */
+
+ sleep(1);
+
+ #if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
+ {
+ /* Call the idle task processing used by the full demo. The simple
+ blinky demo does not use the idle task hook. */
+ vFullDemoIdleFunction();
+ }
+ #endif
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
+{
+ ( void ) pcTaskName;
+ ( void ) pxTask;
+
+ /* Run time stack overflow checking is performed if
+ configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
+ function is called if a stack overflow is detected. This function is
+ provided as an example only as stack overflow checking does not function
+ when running the FreeRTOS Windows port. */
+ vAssertCalled( __LINE__, __FILE__ );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationTickHook( void )
+{
+ /* This function will be called by each tick interrupt if
+ configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h. User code can be
+ added here, but the tick hook is called from an interrupt context, so
+ code must not attempt to block, and only the interrupt safe FreeRTOS API
+ functions can be used (those that end in FromISR()). */
+
+ #if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
+ {
+ vFullDemoTickHookFunction();
+ }
+ #endif /* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY */
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationDaemonTaskStartupHook( void )
+{
+ /* This function will be called once only, when the daemon task starts to
+ execute (sometimes called the timer task). This is useful if the
+ application includes initialisation code that would benefit from executing
+ after the scheduler has been started. */
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
+{
+static BaseType_t xPrinted = pdFALSE;
+volatile uint32_t ulSetToNonZeroInDebuggerToContinue = 0;
+
+ /* Called if an assertion passed to configASSERT() fails. See
+ http://www.freertos.org/a00110.html#configASSERT for more information. */
+
+ /* Parameters are not used. */
+ ( void ) ulLine;
+ ( void ) pcFileName;
+
+
+ taskENTER_CRITICAL();
+ {
+ /* Stop the trace recording. */
+ if( xPrinted == pdFALSE )
+ {
+ xPrinted = pdTRUE;
+ if( xTraceRunning == pdTRUE )
+ {
+ prvSaveTraceFile();
+ }
+ }
+
+ /* You can step out of this function to debug the assertion by using
+ the debugger to set ulSetToNonZeroInDebuggerToContinue to a non-zero
+ value. */
+ while( ulSetToNonZeroInDebuggerToContinue == 0 )
+ {
+ __asm volatile( "NOP" );
+ __asm volatile( "NOP" );
+ }
+ }
+ taskEXIT_CRITICAL();
+}
+/*-----------------------------------------------------------*/
+
+static void prvSaveTraceFile( void )
+{
+ /* Tracing is not used when code coverage analysis is being performed. */
+ #if( projCOVERAGE_TEST != 1 )
+ {
+ FILE* pxOutputFile;
+
+ vTraceStop();
+
+ pxOutputFile = fopen( "Trace.dump", "wb");
+
+ if( pxOutputFile != NULL )
+ {
+ fwrite( RecorderDataPtr, sizeof( RecorderDataType ), 1, pxOutputFile );
+ fclose( pxOutputFile );
+ printf( "\r\nTrace output saved to Trace.dump\r\n" );
+ }
+ else
+ {
+ printf( "\r\nFailed to create trace dump file\r\n" );
+ }
+ }
+ #endif
+}
+/*-----------------------------------------------------------*/
+
+/* 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;
+
+ /* 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;
+}
+