app.c

AVR megal128下的ucos_ii

/*******************************************************************************
*************************** * Copyright       : COPYRIGHT(C) 1997-2005


* Project Name    :    UCOS2纯系统
* File name       :
* Crystal         :    16MHZ
* PCB P/N         :
* Comments        :
* SoftWareP/N     :
* ----------< History >---------------------------------------------------------

* File Version    :  1.0
* Author          :  jjx
* E-Mail          :  
* Date            :  2008 10 08
* Comments        :  
*******************************************************************************/

#include  "includes.h"
#include  "Publics.H"

//在os_cfg.h中作修改
#define  OS_TASK_START_STK_SIZE        OS_TASK_STK_SIZE
#define  OS_TASK_START_HARD_STK_SIZE   OS_TASK_HARD_STK_SIZE

OS_STK  AppTaskStartStk[OS_TASK_START_STK_SIZE];


/*
**************************************************************************************************************
*                                           FUNCTION PROTOTYPES
**************************************************************************************************************
*/


static  void  AppTaskStart (void *p_arg);
static  void  AppTaskCreate(void);
static  void  AppIOInit(void);

void watchdog_init(void);



void  BeeIO(void)
{
 PORTB&=~(1<<PB5);
 //PORTB|=1<<PB5;
 DDRB|=1<<PB5;
 }
 
 void timer1_init(void)               //接15脚,OC1A,为定时器T/C1
{   
    TCCR1B=0x00;                     //关闭
	//TCCR3B = 0x00; //stop
	OCR1AH = 0x00;                   //16位的比较PWM高位	
	//OCR3AH = 0x00;
	//OCR3AL = 0xe6;  //2 k
	//OCR3AL = 0x99;  //3 k
	//OCR3AL = 0x73;  //4 k
	//OCR3AL = 0x5c;  //5 k
	//OCR3AL = 0x4c;  //6 k
	//OCR1AL = 0x41;
	//OCR1AL = 0x89;
	OCR1AL = 0xe6;
	//OCR1AL = 0x73;  //7 k形        //16位的比较PWM低位
	//OCR3AL = 0x39;  //8 k
	//OCR3AL = 0x33;  //9 k
	//OCR3AL = 0x2e;  //10 k	
	TCCR1A=0x40;                     //CTC模式
	}
	
/*
**************************************************************************************************************
*                                                MAIN
*
* Note(s): 1) You SHOULD use OS_TASK_STK_SIZE (see OS_CFG.H) when setting OSTaskStkSize prior to calling
*             OSInit() because OS_TASK_IDLE_STK_SIZE and OS_TASK_STAT_STK_SIZE are set to this value in
*             OS_CFG.H.
**************************************************************************************************************
*/
void  main (void)
{
	INT8U it =0;
	INT8U ko=0;

	INT8U  temp;                                                                                // IMPORTANT: MUST be setup before calling 'OSInit()'
	OSTaskStkSize     = OS_TASK_STK_SIZE;       // Setup the default stack size
	OSTaskHardStkSize = OS_TASK_HARD_STK_SIZE;  // Setup the default hardware stack size
    AppIOInit();

	BeeIO();
	timer1_init();
	
	
	OSInit();                                   // Initialize "uC/OS-II, The Real-Time Kernel"
	watchdog_init();
	 
 //---- Any initialization code before starting multitasking --------------//

 // View_Pic(aVfdDispRAM1,DisplayBuff1,1);
	AppTaskCreate();
	AppTaskStart(&temp);

 //---- Create any other task you want before we start multitasking -------//
	WDR();
   
	OSStart(); //Start multitasking (i.e. give control to uC/OS-II)
}
/*
*********************************************************************************************************
*                                          STARTUP TASK
*
* Description : This is an example of a startup task.  As mentioned in the book's text, you MUST
*               initialize the ticker only once multitasking has started.
*
* Arguments   : p_arg   is the argument passed to 'AppStartTask()' by 'OSTaskCreate()'.
*
* Notes       : 1) The first line of code is used to prevent a compiler warning because 'p_arg' is not
*                  used.  The compiler should not generate any code for this statement.
*********************************************************************************************************
*/
static void  AppTaskStart (void *p_arg)
{
		p_arg = p_arg;          // Prevent compiler warnings
		OSTickISR_Init();      // Initialize the ticker
}
/*
*********************************************************************************************************
*                                    CREATE APPLICATION TASKS
*
* Description : This function creates the application tasks.
*
* Arguments   : p_arg   is the argument passed to 'AppStartTask()' by 'OSTaskCreate()'.
*
* Notes       : 1) The first line of code is used to prevent a compiler warning because 'p_arg' is not
*                  used.  The compiler should not generate any code for this statement.
*********************************************************************************************************
*/
static  void  AppTaskCreate (void)
{
	Init_AppTask1();                 //任务1初始化
	Init_AppTask2();                 //任务2初始化
	Init_AppTask6();                 //任务6初始化
	Init_AppTask8();                 //任务8初始化
}

//----------------------------------------------------------------------------//
//SETUP THE TICK RATE  //中断在os_cpu_a.s上做定义并与ucos系统相结合
//----------------------------------------------------------------------------//
void  OSTickISR_Init (void)
{
	    TCNT0 =0;
		TCCR0 = 0x07;                    // Set TIMER0 prescaler to CLK/1024
		TIMSK = 0x01;                    // Enable TIMER0 overflow interrupt
}
//----------------------------------------------------------------------------//
//     SETUP THE TICK RATE
//----------------------------------------------------------------------------//
void  OSTickISR_Handler (void)
{
		 TCNT0 = 0x64;       //100HZ   
		 OSTimeTick();
}
//----------------------------------------------------------------------------//
//函数介绍: 看门狗初始化 (prescale: 2048K cycles = 2s)
//输入参数：--
// 输出参数：--
//返 回 值：--
//----------------------------------------------------------------------------//
void watchdog_init(void)
{
		WDR();
		WDTCR = (1<<WDCE)|(1<<WDE);
		WDTCR = (1<<WDE)|(1<<WDP2)|(1<<WDP1)|(1<<WDP0);
}
 
//----------------------------------------------------------------------------//
//     SETUP  I/Os
//----------------------------------------------------------------------------//
static void AppIOInit (void)        /*IO全部初始化为高阻态*/
{
 PORTA = 0x00;
 DDRA  = 0x00;
 PORTB = 0x00;
 DDRB  = 0x00;
 PORTC = 0x00; //m103 output only
 DDRC  = 0x00;
 PORTD = 0x00;
 DDRD  = 0x00;
 PORTE = 0x00;
 DDRE  = 0x00;
 PORTF = 0x00;
 DDRF  = 0x00;
 PORTG = 0x00;
 DDRG  = 0x00;
}