#include?“DSP281x_Device.h“?????//?DSP281x?Headerfile?Include?File
#include?“DSP281x_Examples.h“???//?DSP281x?Examples?Include?File

//?Prototype?statements?for?functions?found?within?this?file.
interrupt?void?cpu_timer0_isr（void）;
void?Delay（unsigned?int?nDelay）;

void?Gpio_select（void）;
void?error（int）;
void?program_stop（）;
void?Gpio_PortA（void）;
void?Gpio_PortB（void）;
void?Gpio_PortF（void）;
void?Gpio_PortDEG（void）;
char?ConvertScanToChar（unsigned?char?cScanCode）;
void?RefreshLEDArray（）;			//?刷新顯示
void?SetLEDArray（int?nNumber）;		//?修改顯示內(nèi)容

#define?T46uS		0x0d40
#define?SCANCODE_0?0x70
#define?SCANCODE_1?0x69
#define?SCANCODE_2?0x72
#define?SCANCODE_3?0x7A
#define?SCANCODE_4?0x6B
#define?SCANCODE_5?0x73
#define?SCANCODE_6?0x74
#define?SCANCODE_7?0x6C
#define?SCANCODE_8?0x75
#define?SCANCODE_9?0x7D
#define?SCANCODE_Del?0x49
#define?SCANCODE_Enter?0x5A
#define?SCANCODE_Plus?0x79
#define?SCANCODE_Minus?0x7B
#define?SCANCODE_Mult?0x7C
#define?SCANCODE_Divid?0x4A
#define?SCANCODE_Num?0x77
#define?CTRGR?*（int?*）0x108000
#define?CTRLCDCMDR?*（int?*）0x108001
#define?CTRKEY?*（int?*）0x108001
#define?CTRLCDCR?*（int?*）0x108002
#define?CTRCLKEY?*（int?*）0x108002
#define?CTRLCDLCR??*（int?*）0x108003
#define?CTRLCDRCR?*（int?*）0x108004
#define?CTRLA?*（int?*）0x108005
#define?CTRLR?*（int?*）0x108007

Uint16?var1?=?0;
Uint16?var2?=?0;
Uint16?var3?=?0;
Uint16?test_count?=?0;
Uint16?Test_flag?=?0;
Uint16?Test_var??=?0;
Uint16?Test_status[32];

Uint16?PASS_flag?=?0;
unsigned?int?uWork;

int?jishu=0;
unsigned?int?uWorknCount=0uNuN1nCount1nDir;
unsigned?int?uPort8000;

unsigned?int?nScreenBuffer[1024];
unsigned?char?ledbuf[8]ledx[8];
unsigned?char?ledkey[10][8]=
{
	{0x000x000x7C0x820x820x820x7C0x00}
	{0x000x000x000x840xFE0x800x000x00}	//1
	{0x000x000x840xC20xA20x920x8C0x00}	//2
	{0x000x000x440x920x920x920x6C0x00}
	{0x000x000x300x280x240xFE0x200x00}
	{0x000x000x4E0x920x920x920x620x00}
	{0x000x000x7C0x920x920x920x640x00}
	{0x000x000x020xC20x320x0A0x060x00}
	{0x000x000x6C0x920x920x920x6C0x00}
	{0x000x000x4C0x920x920x920x7C0x00}
};

void?main（void）
{???
	//int?nCount=0;
????char?cKeycOldKey;
	unsigned?int?nScanCodenKeyCode;
	unsigned?int?nSpeed;

//?Step?1.?Initialize?System?Control:
//?PLL?WatchDog?enable?Peripheral?Clocks
//?This?example?function?is?found?in?the?DSP281x_SysCtrl.c?file.
???InitSysCtrl（）;

//?Step?2.?Initalize?GPIO:?
//?This?example?function?is?found?in?the?DSP281x_Gpio.c?file?and
//?illustrates?how?to?set?the?GPIO?to?it‘s?default?state.
//?InitGpio（）;??//?Skipped?for?this?example??


//?Step?3.?Clear?all?interrupts?and?initialize?PIE?vector?table:
//?Disable?CPU?interrupts?
???DINT;

//?Initialize?the?PIE?control?registers?to?their?default?state.
//?The?default?state?is?all?PIE?interrupts?disabled?and?flags
//?are?cleared.??
//?This?function?is?found?in?the?DSP281x_PieCtr