MSP430單片機步進(jìn)電機帶顯示程序

#include"msp430x22x4.h"
#defineucharunsignedchar
#defineuintunsignedint

#definecomm0

#definedat1
#definesclk_1P4OUT|=0x01//sclk=1;001----p4.0
#definesclk_0P4OUT&=0x06//sclk=0;110----p4.1
#definestd_1P4OUT|=0x02//std=1;010
#definestd_0P4OUT&=0x05//std=0;101

#definekeyin(P2IN&0x0F)

unsignedcharkey[4][4]={{0,1,2,3},{4,5,6,7},{8,9,10,11},{12,13,14,15}};

ucharhang[]={0xef,0xdf,0xbf,0x7f};//選中行碼
ucharlie[]={0x0e,0x0d,0x0b,0x07};//相應(yīng)列值
unsignedcharsave,aa,bb;
ucharm=1,j=0;
ucharM=0,key1=0,key2=0;
ucharflag_key1=0,flag_key2=0,flag_go=0;
floatnquan=0x00;



ucharcaidan[]={
"PleaseInputM"
"電機轉(zhuǎn)動度"
"M="
"****************"

};

ucharcaidan1[]={"0123456789."};

//掃描式4x4鍵盤
voiddelay(uintaj)//us
{

while(aj--);
}

voidDELAY(uintaj)//ms
{
for(uintfl=0;fl<1000;fl++)
while(aj--);
}

voidinit_port(void)
{

P2DIR=0XF0;
P2SEL=0;
P2OUT=0;
P2IE=0X0F;
P2IES=0XF0;
P2IFG=0;

P3DIR=0XFF;//p3.0--AP3.1---BP3.2---CP3.3---D
P3SEL=0X00;
P3OUT=0X00;

P4DIR=0XFF;//P4口輸出作液晶接口p4.0--SCKp4.1---sid
P4SEL=0;
P4OUT=0;

_EINT();

return;
}


/*
********************************************************************************
*模塊名稱：wr_LCD定義
*完成日期：08-07-29
*修改內(nèi)容：none
********************************************************************************/
//********寫命令/數(shù)據(jù)***************************************************
voidwr_lcd(unsignedchardat_comm,unsignedcharcontent)
{
unsignedchara,b,i,j;
delay(50);
a=content;
//cs_1;
sclk_0;
std_0;
std_1;
for(i=0;i<5;i++)
{sclk_1;sclk_0;}
std_0;
sclk_1;
sclk_0;
if(dat_comm)std_1;

else
std_0;
sclk_1;
sclk_0;
std_0;
sclk_1;
sclk_0;
for(j=0;j<2;j++)
{
for(i=0;i<4;i++)
{b=a;
if((b&=0x80)==0)
{std_0;a=a<<1;}
else
{std_1;a=a<<1;}
sclk_1;sclk_0;
}
std_0;
for(i=0;i<4;i++)
{sclk_1;sclk_0;}
}
}
/*********************************************************************************
*模塊名稱：初始化定義
*完成日期：08-7-29
*修改內(nèi)容：none
********************************************************************************
*/
voidinit_lcd(void)
{
wr_lcd(comm,0x30);/*30---基本指令動作*/
wr_lcd(comm,0x01);/*清屏，地址指針指向00H*/
delay(100);
wr_lcd(comm,0x06);/*光標(biāo)的移動方向*/
wr_lcd(comm,0x0c);/*開顯示，關(guān)游標(biāo)*/
}

/*
********************************************************************************
*模塊名稱：清DDRAM定義
*完成日期：08-7-29
*修改內(nèi)容：none
********************************************************************************
*/
voidclrram(void)
{
wr_lcd(comm,0x30);
wr_lcd(comm,0x01);
delay(180);
}

/*
********************************************************************************
*模塊名稱：顯示漢字或字符定義
*完成日期：08-7-29
*修改內(nèi)容：none
********************************************************************************
*/
voidchn_disp(unsignedchar*chn)
{
unsignedchari;
wr_lcd(comm,0x30);
wr_lcd(comm,0x80);

for(i=0;i<64;i++)
wr_lcd(dat,chn[i]);
}

//****************lcd_mesg定點顯示***********************************
voidlcd_mesg(uintgao,ucharp,ucharq,ucharw)
{
uintadder1,adder2,adder3,adder4;
adder1=gao/1000,gao=gao-adder1*1000;
adder2=gao/100,gao=gao-adder2*100;
adder3=gao/10,adder4=gao%10;

wr_lcd(comm,p);
wr_lcd(dat,caidan1[adder1]);delay(20);
wr_lcd(dat,caidan1[adder2]);delay(20);
wr_lcd(comm,q);
wr_lcd(dat,caidan1[adder3]);delay(20);
wr_lcd(dat,caidan1[10]);delay(20);
wr_lcd(comm,w);
wr_lcd(dat,caidan1[adder4]);delay(20);
wr_lcd(dat,caidan1[0]);delay(20);
}

voidlcd_mesg1(uintgao,ucharp)
{
uintadder1,adder2;
adder1=gao/10,adder2=gao%10;
wr_lcd(comm,p);
wr_lcd(dat,caidan1[adder1]);delay(20);
wr_lcd(dat,caidan1[adder2]);delay(20);
}

voidlcd_mesg2(uchargao,uchardi,ucharp)
{
wr_lcd(comm,p);
wr_lcd(dat,caidan1[gao]);delay(20);
wr_lcd(dat,caidan1[di]);delay(20);
}

/*******************************************************************************/

voidkeyprocess(void)
{

for(aa=0;aa<4;aa++)
{
P2OUT=hang[aa];//逐行掃描
if(keyin!=0x0f)break;//檢測該行有鍵按下則退出循環(huán)
}

for(bb=0;bb<4;bb++)//逐列掃描
{
if(keyin==lie[bb])
{
save=key[aa][bb];break;//檢測該列有鍵按下則退出循環(huán)
}
}


switch(save)
{
case0:
if(flag_key1==1)
{key1=0,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=0,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;