MSP430單片機(jī)控制步進(jìn)電機(jī)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(jī)轉(zhuǎn)動(dòng)度"
"M="
"****************"

};

ucharcaidan1[]={"0123456789."};

//掃描式4x4鍵盤(pán)
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(chēng)：wr_LCD定義
*完成日期：08-07-29
*修改內(nèi)容：none
********************************************************************************/
//********寫(xiě)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(chēng)：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(dòng)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(dòng)方向*/
wr_lcd(comm,0x0c);/*開(kāi)顯示，關(guān)游標(biāo)*/
}

/*
********************************************************************************
*模塊名稱(chēng)：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(chēng)：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(diǎn)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(cè)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(cè)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;

case1:
if(flag_key1==1)
{key1=1,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=1,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;
case2:
if(flag_key1==1)
{key1=2,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=2,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case3:
if(flag_key1==1)
{key1=3,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=3,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case4:
if(flag_key1==1)
{key1=4,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=4,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case5:
if(flag_key1==1)
{key1=5,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=5,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case6:
if(flag_key1==1)
{key1=6,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=6,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case7:
if(flag_key1==1)
{key1=7,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=7,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case8:
if(flag_key1==1)
{key1=8,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=8,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case9:
if(flag_key1==1)
{key1=9,flag_key1=0;lcd_mesg2(key1,key2,0x92);}
if(flag_key2==1)
{key2=9,flag_key2=0;lcd_mesg2(key1,key2,0x92);}
break;

case12:flag_key1=1;break;
case13:flag_key2=1;break;
case14:flag_go=1;break;

case10:
case11:
case15:break;
}

return;
}

#pragmavector=PORT2_VECTOR
__interruptvoidPORT_ISR(void)

{
keyprocess();
P2IFG=0;
P2OUT=0;
return;
}

voidmain(void)
{
WDTCTL=WDTPW+WDTHOLD;//關(guān)看門(mén)狗
BCSCTL1=CALBC1_1MHz;//設(shè)定DCO為1MHZ
DCOCTL=CALBC1_1MHZ;

init_port();
init_lcd();
chn_disp(caidan);
while(1){
while((key1|key2==0)&&(flag_go==0));
key1=key1*10;
M=key1+key2;
nquan=50/M*72;
lcd_mesg(nquan,0x8c,0x8d,0x8e);delay(10);//顯示轉(zhuǎn)動(dòng)度數(shù)

for(;j<50/M;j++)//雙8拍j=50剛好一圈360最小度數(shù)為7.2度---j=1
{
P3OUT=0X03;//AB
delay(420);
P3OUT=0X07;//ABC
delay(420);
P3OUT=0X06;//BC
delay(420);
P3OUT=0X0E;//BCD
delay(420);
P3OUT=0X0c;//CD
delay(420);
P3OUT=0X0D;//CDA
delay(420);
P3OUT=0X09;//DA
delay(420);
P3OUT=0X0B;//DAB
delay(420);
}
}}