/*----------------------------*/ 
/*     Include Header File    */
/*----------------------------*/ 
#include "stc32.h"		/* stc32 register address define and function prototype*/ 		
#include "math.h"

/*----------------------------*/ 
/* Global variable definition */
/*----------------------------*/ 
int    TICK=0, TICK0=0, TICK1=0;
int    LED=0;
int    rear_i = -1, front_i = -1;
int    rear_o = -1, front_o = -1;
char   queue_i[ MAXQ ];
char   queue_o[ MAXQ ];

int    rear_KBD = -1, front_KBD = -1;
char   queue_KBD[ MAXKBD ];
char   KBD_old[] = { 0, 0, 0, 0 };
int    KBD_cnt = 0;
char   KBD_T1[] = "FEDCB369A2580147";
char   PORTC_REG = 0;

int    rear_LCD = -1, front_LCD = -1;
char   queue_LCD[ MAXLCD ];

int    bias[] = { 0, 0 };
real   SCALAR[] = { 1.0, 1.0 };

int    ain[2];                
float  ainf[2];
int    flag = 0;               
int    Flag =0;
char   cmd, keybd,str[20];
int    temp, axis = 0;
int    count=0,voltage=1000;
int    temp1;

void main()
{  
   stc32_init();		
   string2PC("\n \r Begin Test ");
   while ( 1 )
        {

              while( ( cmd = rs232_in() ) == 0 );
              switch ( cmd )
                {
                  case 't':
                             disabletimer1isr();
                             break;             
                  case 'T':
                             settimer1freq( 2 );
                             inittimer1isr();

                             break;

                 }//switch end    
        }//while end
}//main end
                         

/*====================================*/

/* Begin of ISR */
/* -------------------------------------------- */
/* External Hardware Interrupt /INT2 
	User defined ISR
   -------------------------------------------- */
void c_int02()
{
   
   asm("\tNOP");
   asm("\tNOP");     

}           

/* -------------------------------------------- */
/* External Hardware Interrupt /INT3 
	User defined ISR
   -------------------------------------------- */
void c_int03()    // 8.3333 KHz
{
    TICK++;
    
   asm("\tNOP");
   asm("\tNOP");
}

/*-----------------------------------------------------*/
/* Timer 0 Interrupt, Frequency 1kHz (100kHz<=>10usec) */
/*-----------------------------------------------------*/


/* --------------------------------------------- */
/* 				  Timer1 for user 				 */
/*   Timer1 is set by  settimer1freq( Freq1 );
     inittimer1isr();          */
/* --------------------------------------------- */   					   
void c_int08()
{
    TICK1++;
    count++;
    temp=count;
    ltoa((long)temp,str);
    string2PC(str);
    string2PC("\n\r");
       
    set_pwm(2,voltage);
    if(count<=488)
         voltage=voltage-2;
    if(count>=499)
         {
          voltage=voltage+2; 
           if(voltage==1000)
             {
              count=0;
             }
          }
	
    

    asm("\tNOP");
    asm("\tNOP");
}        

/*  End of ISR  */