/* | |
FreeRTOS V6.0.1 - Copyright (C) 2009 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* If you are: * | |
* * | |
* + New to FreeRTOS, * | |
* + Wanting to learn FreeRTOS or multitasking in general quickly * | |
* + Looking for basic training, * | |
* + Wanting to improve your FreeRTOS skills and productivity * | |
* * | |
* then take a look at the FreeRTOS eBook * | |
* * | |
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" * | |
* http://www.FreeRTOS.org/Documentation * | |
* * | |
* A pdf reference manual is also available. Both are usually delivered * | |
* to your inbox within 20 minutes to two hours when purchased between 8am * | |
* and 8pm GMT (although please allow up to 24 hours in case of * | |
* exceptional circumstances). Thank you for your support! * | |
* * | |
*************************************************************************** | |
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 exception 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. See the GNU General Public License for | |
more details. You should have received a copy of the GNU General Public | |
License and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
#include "partest.h" | |
#define mainFRQCR_VALUE ( 0x0303 ) /* Input = 12.5MHz, I Clock = 200MHz, B Clock = 50MHz, P Clock = 50MHz */ | |
void vApplicationMallocFailedHook( void ); | |
void vApplicationIdleHook( void ); | |
static void prvSetupHardware( void ); | |
/*-----------------------------------------------------------*/ | |
void main(void) | |
{ | |
prvSetupHardware(); | |
vTaskStartScheduler(); | |
taskENABLE_INTERRUPTS(); | |
for( ;; ); | |
} | |
/*-----------------------------------------------------------*/ | |
void vApplicationMallocFailedHook( void ) | |
{ | |
/* A call to vPortMalloc() failed, probably during the creation of a task, | |
queue or semaphore. Inspect pxCurrentTCB to find which task is currently | |
executing. */ | |
for( ;; ); | |
} | |
/*-----------------------------------------------------------*/ | |
void vApplicationIdleHook( void ) | |
{ | |
/* Code can be added to the idle task here. This function must *NOT* attempt | |
to block. Also, if the application uses the vTaskDelete() API function then | |
this function must return regularly to ensure the idle task gets a chance to | |
clean up the memory used by deleted tasks. */ | |
} | |
/*-----------------------------------------------------------*/ | |
static void prvSetupHardware( void ) | |
{ | |
volatile unsigned long ul; | |
/* Set the CPU and peripheral clocks. */ | |
CPG.FRQCR.WORD = mainFRQCR_VALUE; | |
/* Wait for the clock to settle. */ | |
for( ul = 0; ul < 99; ul++ ) | |
{ | |
nop(); | |
} | |
/* Initialise the ports used to toggle LEDs. */ | |
vParTestInitialise(); | |
} | |
/*-----------------------------------------------------------*/ | |
void vApplicationSetupTimerInterrupt( void ) | |
{ | |
/* The peripheral clock is divided by 32 before feeding the compare match | |
periphersl (CMT). */ | |
unsigned long ulCompareMatch = ( configPERIPHERAL_CLOCK_HZ / ( configTICK_RATE_HZ * 32 ) ) + 1; | |
/* Configure a timer to create the RTOS tick interrupt. This example uses | |
the compare match timer, but the multi function timer or possible even the | |
watchdog timer could also be used. Ensure vPortTickInterrupt() is installed | |
as the interrupt handler for whichever peripheral is used. */ | |
/* Turn the CMT on. */ | |
STB.CR4.BIT._CMT = 0; | |
/* Set the compare match value for the required tick frequency. */ | |
CMT0.CMCOR = ( unsigned short ) ulCompareMatch; | |
/* Divide the peripheral clock by 32. */ | |
CMT0.CMCSR.BIT.CKS = 0x01; | |
/* Set the CMT interrupt priority - the interrupt priority must be | |
configKERNEL_INTERRUPT_PRIORITY no matter which peripheral is used to generate | |
the tick interrupt. */ | |
INTC.IPR08.BIT._CMT0 = configKERNEL_INTERRUPT_PRIORITY; | |
/* Clear the interrupt flag. */ | |
CMT0.CMCSR.BIT.CMF = 0; | |
/* Enable the compare match interrupt. */ | |
CMT0.CMCSR.BIT.CMIE = 0x01; | |
/* Start the timer. */ | |
CMT.CMSTR.BIT.STR0 = 0x01; | |
} | |
/*-----------------------------------------------------------*/ | |
//#pragma interrupt (vTempISR) | |
//void vTempISR( void ); | |
void xINT_CMT_CMI0( void ) | |
{ | |
CMT0.CMCSR.BIT.CMF = 0; | |
} | |