#include <iom128v.h>
#include <macros.h>
#include  "E:\Atmega128\code\ucos_ii.h"
#include  "E:\Atmega128\code\app.h"

INT8U j=0,k=0;

void port_init(void)
{
 PORTA = 0x00;
 DDRA  = 0x11;
 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;
}

//TIMER2 initialize - prescale:1024
// WGM: Normal
// desired value: 100Hz
// actual value: 100.160Hz (0.2%)
void timer2_init(void)
{
 TCCR2 = 0x00; //stop
 TCNT2 = 0xB2; //setup
 OCR2  = 0x4E;
 TCCR2 = 0x05; //start
}

#pragma interrupt_handler timer2_ovf_isr:11
void timer2_ovf_isr(void)
{
 j++;
 TCNT2 = 0xB2; //reload counter value
 if(j%100==0)  //溢出中断100次，也就是1秒发送一次消息邮箱
 {
  j=0;
  OSMboxPost(TestMbox,"OK");
 }
}

//call this routine to initialize all peripherals
void init_devices(void)
{
 //stop errant interrupts until set up
 CLI(); //disable all interrupts
 XDIV  = 0x00; //xtal divider
 XMCRA = 0x00; //external memory
 port_init();
 timer2_init();

 MCUCR = 0x00;
 EICRA = 0x00; //extended ext ints
 EICRB = 0x00; //extended ext ints
 EIMSK = 0x00;
 TIMSK = 0x40; //timer interrupt sources
 ETIMSK = 0x00; //extended timer interrupt sources
 SEI(); //re-enable interrupts
 //all peripherals are now initialized
}

//
void main(void)
{
 init_devices();
 //insert your functional code here...
 OSInit();
 OSTaskCreate(TestTask,(void*)0,&TestTaskStk[TASK_STK_SIZE-1],0);
 OSStart();
}

static void TestTask(void *pdata)
{
 INT8U err;
 pdata=pdata;
 
 #if OS_MBOX_EN > 0
 	 TestMbox = OSMboxCreate((void *)0);
 #endif
 
 OSMboxPend(TestMbox,0,&err);
 while(1)
 {
  k++;
  PORTA = 0x03;
  OSTimeDly(10);
 }
}