http://wiki.sps-pi.cz/index.php?action=history&feed=atom&title=Ovl%C3%A1d%C3%A1n%C3%AD_motoru_s_H_m%C5%AFstkem 2026-04-19T18:46:20Z Historie editací této stránky MediaWiki 1.42.1 http://wiki.sps-pi.cz/index.php?title=Ovl%C3%A1d%C3%A1n%C3%AD_motoru_s_H_m%C5%AFstkem&diff=1805&oldid=prev 2010-04-15T17:41:11Z

<p>Založena nová stránka: {| | &lt;source lang=&quot;asm&quot;&gt; CODE: L293D_A equ P2.0 ;L293D A - Positive of Motor L293D_B equ P2.1 ;L293D B - Negative of Motor L293D_E equ P2.2 …</p> <p><b>Nová stránka</b></p><div>{|<br /> <br /> | <br /> &lt;source lang=&quot;asm&quot;&gt;<br /> CODE:<br /> L293D_A equ P2.0 ;L293D A - Positive of Motor<br /> L293D_B equ P2.1 ;L293D B - Negative of Motor<br /> L293D_E equ P2.2 ;L293D E - Enable pin of IC<br /> <br /> org 0H<br /> Main:<br /> acall rotate_f ;Rotate motor forward<br /> acall delay ;Let the motor rotate<br /> acall break ;Stop the motor<br /> acall delay ;Wait for some time<br /> acall rotate_b ;Rotate motor backward<br /> acall delay ;Let the motor rotate<br /> acall break ;Stop the motor<br /> acall delay ;Wait for some time<br /> sjmp Main ;Do this in loop<br /> <br /> rotate_f:<br /> setb L293D_A ;Make Positive of motor 1<br /> clr L293D_B ;Make negative of motor 0<br /> setb L293D_E ;Enable to run the motor<br /> ret ;Return from routine<br /> <br /> rotate_b:<br /> clr L293D_A ;Make positive of motor 0<br /> setb L293D_B ;Make negative of motor 1<br /> setb L293D_E ;Enable to run the motor<br /> ret ;Return from routine<br /> <br /> break:<br /> clr L293D_A ;Make Positive of motor 0<br /> clr L293D_B ;Make negative of motor 0<br /> clr L293D_E ;Disable the o/p<br /> ret ;Return from routine<br /> <br /> delay: ;Some Delay<br /> mov r7,#20H<br /> back: mov r6,#FFH<br /> back1: mov r5,#FFH<br /> here: djnz r5, here<br /> djnz r6, back1<br /> djnz r7, back<br /> ret<br /> <br /> <br /> &lt;/source&gt;<br /> |<br /> &lt;source lang=&quot;C&quot;&gt;<br /> ►C programming<br /> CODE:<br /> #include #define L293D_A P2_0 //Positive of motor<br /> #define L293D_B P2_1 //Negative of motor<br /> #define L293D_E P2_2 //Enable of L293D<br /> <br /> // Function Prototypes<br /> void rotate_f(void); //Forward run funtion<br /> void rotate_b(void); //Backward run function<br /> void breaks(void); //Motor stop function<br /> void delay(void); //Some delay<br /> <br /> void main(){ //Our main function<br /> while(1){ //Infinite loop<br /> rotate_f(); //Run forward<br /> delay(); //Some delay<br /> breaks(); //Stop<br /> delay(); //Some delay<br /> rotate_b(); //Run Backwards<br /> delay(); //Some delay<br /> breaks(); //Stop<br /> delay(); //Some delay<br /> } //Do this infinitely<br /> }<br /> <br /> void rotate_f(){<br /> L293D_A = 1; //Make positive of motor 1<br /> L293D_B = 0; //Make negative of motor 0<br /> L293D_E = 1; //Enable L293D<br /> }<br /> <br /> void rotate_b(){<br /> L293D_A = 0; //Make positive of motor 0<br /> L293D_B = 1; //Make negative of motor 1<br /> L293D_E = 1; //Enable L293D<br /> }<br /> <br /> void breaks(){<br /> L293D_A = 0; //Make positive of motor 0<br /> L293D_B = 0; //Make negative of motor 0<br /> L293D_E = 0; //Disable L293D<br /> }<br /> <br /> void delay(){ //Some delay...<br /> unsigned char i,j,k;<br /> for(i=0;i&lt;0x20;i++)<br /> for(j=0;j&lt;255;j++)<br /> for(k=0;k&lt;255;k++);<br /> <br /> &lt;/source&gt;<br /> |}<br /> <br /> <br /> source www: http://laros-edu.net/index.php?pilih=news&amp;mod=yes&amp;aksi=lihat&amp;id=48</div>

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