//----------------------------------------------------------------------------
// C main line
//----------------------------------------------------------------------------

#include <m8c.h>        // part specific constants and macros
#include "PSoCAPI.h"    // PSoC API definitions for all User Modules
#include <stdlib.h>
#include <string.h>


#pragma interrupt_handler Timer_Interrupt

//---Port Name---
#define Port0 PRT0DR
#define Port2 PRT2DR
//---Set variable---
char i_disp, j;
char  DispBuff[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
const char sinwave[]={16,32,64,128,128,128,128,64,32,16,8,4,2,1,1,2,4,8};

//-----------------------------------

void delay_ms(WORD x)
{
	WORD i,j;
	for(j = 1;j<x;j++)
	{
		for (i=0;i<460;i++)
		{
			asm("nop");						// 4 Cycle
			asm("nop");						// 4 Cycle
			asm("nop");						// 4 Cycle
			asm("nop");						// 4 Cycle
		}
	}
}
void Timer_Interrupt(void)
{
   Port0 = 0xff;
   Port2 = DispBuff[i_disp];
   switch (i_disp) {
    case 0:Port0 = 0b11111110; 
           break;
    case 1:Port0 = 0b11111101; 
           break;
    case 2:Port0 = 0b11111011; 
           break;
    case 3:Port0 = 0b11110111;
           break;
    case 4:Port0 = 0b11101111; 
           break;
    case 5:Port0 = 0b11011111; 
           break;
    case 6:Port0 = 0b10111111; 
           break;
    case 7:Port0 = 0b01111111;
           break;		      
		   }
   ++i_disp;
   if(i_disp==8) i_disp=0; 
}

void wavemove(char no)
{
	int i;
	for (i=0;i<7;i++)							// Draw the columns to print the character.
	{
		DispBuff[i]=DispBuff[i+1];
	}
	DispBuff[7]= sinwave[no]; 
}

void main(void)
{
	M8C_EnableGInt;						//Enable global interrupts
	Timer16_1_EnableInt();				// Enable Timer16_1 interrupt 
	Timer16_1_Start();
	i_disp = 0;
	for (j=0;j<8;j++)					
	{
		DispBuff[j]=0;
	}
	while(1)
    {
		for (j=0;j<17;j++)						
		{
			wavemove(j);
			delay_ms(50);
		}
	}
}