//
//      TMDX ALPHA RELEASE
//      Intended for product evaluation purposes
//
//###########################################################################
//
// FILE:	DSP28_Example.c
//
// TITLE:	DSP28 CPU_Timer example program.
//
//###########################################################################
//
//  Ver | dd mmm yyyy | Who  | Description of changes
// =====|=============|======|===============================================
//  0.55| 06 May 2002 | S.S. | EzDSP Alpha Release
//  0.57| 27 May 2002 | L.H. | No change
//###########################################################################

// Step 0.  Include required header files
         // DSP28_Device.h: device specific definitions #include statements for
         // all of the peripheral .h definition files.
         // DSP28_Example.h is specific for the given example.  

#include "DSP28_Device.h"

void	Step(Uint16	tag);
Uint16	t_step;

void main(void)
{
	/*初始化系統(tǒng)*/
	InitSysCtrl();

	/*關(guān)中斷*/
	DINT;
	IER = 0x0000;
	IFR = 0x0000;
	
	/*初始化PIE控制寄存器*/
	InitPieCtrl();
	
	/*初始化PIE矢量表*/
	InitPieVectTable();	
	InitGpio();
	t_step = 700;	
	Step(1);

	for(;;);
	}

void delay()           
{ 
	int i;
	for(i=0;i<=t_step;i++);    
}  

void	Step(Uint16	tag)
{
	while(1)
	{
		if(tag)
		{
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 1;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 1;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 1;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 1;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 1;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 0;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 0;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 0;
			delay();
		}
		else
		{
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 0;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 0;
			delay();
			GpioDataRegs.GPBDAT.bit.GPIOB0 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB1 = 1;
			GpioDataRegs.GPBDAT.bit.GPIOB2 = 0;
			GpioDataRegs.GPBDAT.bit.GPIOB3 = 0;
			delay();
		
		}
	}
}

                                                      


//===========================================================================
// No more.
//===========================================================================