FreeRTOS/Demo/RX600_RX64M_RSK_Renesas_e2studio/Source/main.c

/*
 * 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 (defined in this file) 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.
 *
 * ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON
 * THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO
 * APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!
 *
 */

/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"

/* Standard demo includes. */
#include "partest.h"
#include "TimerDemo.h"
#include "QueueOverwrite.h"
#include "EventGroupsDemo.h"

/* Renesas includes. */
#include "r_cg_macrodriver.h"

/* Set option bytes */
#pragma address OFS0_location = 0xFFFFFF8CUL
#pragma address OFS1_location = 0xFFFFFF88UL
volatile const uint32_t OFS0_location = 0xFFFFFFFFUL;
volatile const uint32_t OFS1_location = 0xFFFFFFFFUL;


/* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
or 0 to run the more comprehensive test and demo application. */
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY	1

/*-----------------------------------------------------------*/

/*
 * Configure the hardware as necessary to run this demo.
 */
static void prvSetupHardware( void );

/*
 * 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.
 */
#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
	extern void main_blinky( void );
#else
	extern void main_full( void );
#endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */

/*
 * The Xilinx projects use a BSP that do not allow the start up code to be
 * altered easily.  Therefore the vector table used by FreeRTOS is defined in
 * FreeRTOS_asm_vectors.S, which is part of this project.  Switch to use the
 * FreeRTOS vector table.
 */
extern void vPortInstallFreeRTOSVectorTable( void );

/* Prototypes for the standard FreeRTOS callback/hook functions implemented
within this file. */
void vApplicationMallocFailedHook( void );
void vApplicationIdleHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );

/*-----------------------------------------------------------*/

int main( void )
{
	/* Configure the hardware ready to run the demo. */
	prvSetupHardware();

	/* 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

	/* Don't expect to reach here. */
	return 0;
}
/*-----------------------------------------------------------*/

static void prvSetupHardware( void )
{
	/* Set up the ports used by the LED outputs (the name ParTest is now
	obsolete - it originally came from "parallel port test"). */
	vParTestInitialise();
}
/*-----------------------------------------------------------*/

void vApplicationMallocFailedHook( void )
{
	/* Called if a call to pvPortMalloc() fails because there is insufficient
	free memory available in the FreeRTOS heap.  pvPortMalloc() is called
	internally by FreeRTOS API functions that create tasks, queues, software
	timers, and semaphores.  The size of the FreeRTOS heap is set by the
	configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
	taskDISABLE_INTERRUPTS();
	for( ;; );
}
/*-----------------------------------------------------------*/

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. */
	taskDISABLE_INTERRUPTS();
	for( ;; );
}
/*-----------------------------------------------------------*/

void vApplicationIdleHook( void )
{
volatile size_t xFreeHeapSpace;

	/* This is just a trivial example of an idle hook.  It is called on each
	cycle of the idle task.  It must *NOT* attempt to block.  In this case the
	idle task just queries the amount of FreeRTOS heap that remains.  See the
	memory management section on the http://www.FreeRTOS.org web site for memory
	management options.  If there is a lot of heap memory free then the
	configTOTAL_HEAP_SIZE value in FreeRTOSConfig.h can be reduced to free up
	RAM. */
	xFreeHeapSpace = xPortGetFreeHeapSize();

	/* Remove compiler warning about xFreeHeapSpace being set but never used. */
	( void ) xFreeHeapSpace;
}
/*-----------------------------------------------------------*/

void vApplicationTickHook( void )
{
	#if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 0 )
	{
		/* The full demo includes a software timer demo/test that requires
		prodding periodically from the tick interrupt. */
		vTimerPeriodicISRTests();

		/* Call the periodic queue overwrite from ISR demo. */
		vQueueOverwritePeriodicISRDemo();

		/* Call the periodic event group from ISR demo. */
		vPeriodicEventGroupsProcessing();
	}
	#endif
}
/*-----------------------------------------------------------*/

void vAssertCalled( void )
{
volatile unsigned long ul = 0;

	taskENTER_CRITICAL();
	{
		/* Use the debugger to set ul to a non-zero value in order to step out
		of this function to determine why it was called. */
		while( ul == 0 )
		{
			portNOP();
		}
	}
	taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/

/* The RX port uses this callback function to configure its tick interrupt.
This allows the application to choose the tick interrupt source. */
void vApplicationSetupTimerInterrupt( void )
{
const uint32_t ulEnableRegisterWrite = 0xA50BUL, ulDisableRegisterWrite = 0xA500UL;

    /* Disable register write protection. */
    SYSTEM.PRCR.WORD = ulEnableRegisterWrite;

	/* Enable compare match timer 0. */
	MSTP( CMT0 ) = 0;

	/* Interrupt on compare match. */
	CMT0.CMCR.BIT.CMIE = 1;

	/* Set the compare match value. */
	CMT0.CMCOR = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ ) -1 ) / 8 );

	/* Divide the PCLK by 8. */
	CMT0.CMCR.BIT.CKS = 0;

	/* Enable the interrupt... */
	_IEN( _CMT0_CMI0 ) = 1;

	/* ...and set its priority to the application defined kernel priority. */
	_IPR( _CMT0_CMI0 ) = configKERNEL_INTERRUPT_PRIORITY;

	/* Start the timer. */
	CMT.CMSTR0.BIT.STR0 = 1;

    /* Reneable register protection. */
    SYSTEM.PRCR.WORD = ulDisableRegisterWrite;
}
/*-----------------------------------------------------------*/