FreeRTOS-Kernel/Demo/msp430_CrossWorks/FreeRTOSConfig.h

/*
    FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.

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    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
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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*/

#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H

#include <msp430x44x.h>

/* 
Two interrupt examples are provided - 

 + Method 1 does everything in C code.
 + Method 2 uses an assembly file wrapper.

Code size:
Method 1 uses assembly macros to save and restore the task context, whereas 
method 2 uses functions. This means method 1 will be faster, but method 2 will 
use less code space. 

Simplicity:
Method 1 is very simplistic, whereas method 2 is more elaborate. This 
elaboration results in the code space saving, but also requires a slightly more 
complex procedure to define interrupt service routines. 

Interrupt efficiency:
Method 1 uses the compiler generated function prologue and epilogue code to save 
and restore the necessary registers within an interrupt service routine (other 
than the RTOS tick ISR). Should a context switch be required from within the ISR 
the entire processor context is saved. This can result in some registers being saved 
twice - once by the compiler generated code, and then again by the FreeRTOS code.
Method 2 saves and restores all the processor registers within each interrupt service 
routine, whether or not a context switch actually occurs. This means no registers 
ever get saved twice, but imposes an overhead on the occasions that no context switch 
occurs. 
*/

#define configINTERRUPT_EXAMPLE_METHOD 1

/*-----------------------------------------------------------
 * 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
#define configUSE_IDLE_HOOK			1
#define configUSE_TICK_HOOK			0
#define configCPU_CLOCK_HZ			( ( unsigned long ) 7995392 ) /* Clock setup from main.c in the demo application. */
#define configTICK_RATE_HZ			( ( portTickType ) 1000 )
#define configMAX_PRIORITIES		( ( unsigned portBASE_TYPE ) 4 )
#define configMINIMAL_STACK_SIZE	( ( unsigned short ) 50 )
#define configTOTAL_HEAP_SIZE		( ( size_t ) ( 1800 ) )
#define configMAX_TASK_NAME_LEN		( 8 )
#define configUSE_TRACE_FACILITY	0
#define configUSE_16_BIT_TICKS		1
#define configIDLE_SHOULD_YIELD		1

/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 		0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )

/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */

#define INCLUDE_vTaskPrioritySet		0
#define INCLUDE_uxTaskPriorityGet		0
#define INCLUDE_vTaskDelete				1
#define INCLUDE_vTaskCleanUpResources	0
#define INCLUDE_vTaskSuspend			0
#define INCLUDE_vTaskDelayUntil			1
#define INCLUDE_vTaskDelay				1


#endif /* FREERTOS_CONFIG_H */