Re: A4988 module + stepping motor c code for RCM3000

"Tom Collins tom-lnEA/wrDJtNWk0Htik3J/[email protected] [rabbit-semi]" <[email protected]> Mon, 7 Aug 2017 12:50:24 -0700
Newsgroups gmane.comp.hardware.rabbit-semiconductor
Message-ID <[email protected]> 
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In your inner loop, try changing the 500ms delay to a 1ms delay.  Sample co=
de on the net uses a 500uS delay (i.e., 0.5ms).

Also, make sure you=E2=80=99ve configured those pins as outputs (something =
that HBpinHigh() and HBpinLow() might already do for you).

-Tom


> On Jul 23, 2017, at 10:04 PM, kara_liao-/[email protected] [rabbit-semi] <rabbit-s=
[email protected]> wrote:
>=20
> Hi, the following is the A4988 module + stepping motor c code for RCM3000=
,=20
> But stepping motor will only shake without turning, is the program or har=
dware wiring problems ? thanks.
>=20
> #use "hobbyist.lib"
>=20
> #define START_SW        HB_PF5
> #define MOTOR_STEP      HB_PF6
> #define MOTOR_DIR       HB_PF7
> int x;
>=20
> if(!HBpinRead(START_SW)){
>    sprintf (status_html, "Start\r");
>    HBpinHigh(MOTOR_DIR);
>    for(x =3D 0; x < 200; x++) {
>       HBpinHigh(MOTOR_STEP);
>       waitfor(DelayMs(500));
>       HBpinLow(MOTOR_STEP);
>       waitfor(DelayMs(500));
>       }
>=20
>    waitfor(DelayMs(1000));
>=20


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      <p>In your inner loop, try changing the 500ms delay to a 1ms delay. &=
nbsp;Sample code on the net uses a 500uS delay (i.e., 0.5ms).<div class><br=
 class></div><div class>Also, make sure you=E2=80=99ve configured those pin=
s as outputs (something that HBpinHigh() and HBpinLow() might already do fo=
r you).</div><div class><br class><div class>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate;color: =
rgb(0, 0, 0);font-family: Helvetica;font-size: 12px;font-style: normal;font=
-variant: normal;font-weight: normal;letter-spacing: normal;text-align: aut=
o;text-indent: 0px;"><div class>-Tom</div><br class=3D"Apple-interchange-ne=
wline"></span>

</div>
<br class><div><blockquote type=3D"cite" class><div class>On Jul 23, 2017, =
at 10:04 PM, <a href=3D"mailto:kara_liao-/[email protected]" class>[email protected]=
om</a> [rabbit-semi] &lt;<a href=3D"mailto:[email protected]" cla=
ss>[email protected]</a>&gt; wrote:</div><br class=3D"Apple-inter=
change-newline"><div class><div style=3D"margin: 0px;font-family: Georgia;f=
ont-size: 13px;font-style: normal;font-weight: normal;letter-spacing: norma=
l;text-align: start;text-indent: 0px;text-transform: none;white-space: norm=
al;" class><span class>Hi,&nbsp;</span>the following is the A4988 module + =
stepping motor c code for RCM3000,&nbsp;</div><div style=3D"margin: 0px;fon=
t-family: Georgia;font-size: 13px;font-style: normal;font-weight: normal;le=
tter-spacing: normal;text-align: start;text-indent: 0px;text-transform: non=
e;white-space: normal;" class>But stepping motor will only shake without tu=
rning, is the program or hardware wiring problems ? thanks.</div><div style=
=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-style: normal;fon=
t-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;=
text-transform: none;white-space: normal;" class><br class></div><div style=
=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-style: normal;fon=
t-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;=
text-transform: none;white-space: normal;" class>#use "hobbyist.lib"</div><=
div style=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-style: n=
ormal;font-weight: normal;letter-spacing: normal;text-align: start;text-ind=
ent: 0px;text-transform: none;white-space: normal;" class><br class></div><=
div style=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-style: n=
ormal;font-weight: normal;letter-spacing: normal;text-align: start;text-ind=
ent: 0px;text-transform: none;white-space: normal;" class>#define START_SW =
&nbsp; &nbsp; &nbsp; &nbsp;HB_PF5</div><div style=3D"margin: 0px;font-famil=
y: Georgia;font-size: 13px;font-style: normal;font-weight: normal;letter-sp=
acing: normal;text-align: start;text-indent: 0px;text-transform: none;white=
-space: normal;" class>#define MOTOR_STEP &nbsp; &nbsp; &nbsp;HB_PF6</div><=
div style=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-style: n=
ormal;font-weight: normal;letter-spacing: normal;text-align: start;text-ind=
ent: 0px;text-transform: none;white-space: normal;" class>#define MOTOR_DIR=
 &nbsp; &nbsp; &nbsp; HB_PF7</div><div style=3D"margin: 0px;font-family: Ge=
orgia;font-size: 13px;font-style: normal;font-weight: normal;letter-spacing=
: normal;text-align: start;text-indent: 0px;text-transform: none;white-spac=
e: normal;" class>int x;</div><div style=3D"margin: 0px;font-family: Georgi=
a;font-size: 13px;font-style: normal;font-weight: normal;letter-spacing: no=
rmal;text-align: start;text-indent: 0px;text-transform: none;white-space: n=
ormal;" class><br class></div><div style=3D"margin: 0px;font-family: Georgi=
a;font-size: 13px;font-style: normal;font-weight: normal;letter-spacing: no=
rmal;text-align: start;text-indent: 0px;text-transform: none;white-space: n=
ormal;" class>if(!HBpinRead(START_SW)){</div><div style=3D"margin: 0px;font=
-family: Georgia;font-size: 13px;font-style: normal;font-weight: normal;let=
ter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none=
;white-space: normal;" class>&nbsp; &nbsp;sprintf (status_html, "Start\r");=
</div><div style=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-s=
tyle: normal;font-weight: normal;letter-spacing: normal;text-align: start;t=
ext-indent: 0px;text-transform: none;white-space: normal;" class>&nbsp; &nb=
sp;HBpinHigh(MOTOR_DIR);</div><div style=3D"margin: 0px;font-family: Georgi=
a;font-size: 13px;font-style: normal;font-weight: normal;letter-spacing: no=
rmal;text-align: start;text-indent: 0px;text-transform: none;white-space: n=
ormal;" class>&nbsp; &nbsp;for(x =3D 0; x &lt; 200; x&#43;+) {</div><div st=
yle=3D"margin: 0px;font-family: Georgia;font-size: 13px;font-style: normal;=
font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0=
px;text-transform: none;white-space: normal;" class>&nbsp; &nbsp; &nbsp; HB=
pinHigh(MOTOR_STEP);</div><div style=3D"margin: 0px;font-family: Georgia;fo=
nt-size: 13px;font-style: normal;font-weight: normal;letter-spacing: normal=
;text-align: start;text-indent: 0px;text-transform: none;white-space: norma=
l;" class>&nbsp; &nbsp; &nbsp; waitfor(DelayMs(500));</div><div style=3D"ma=
rgin: 0px;font-family: Georgia;font-size: 13px;font-style: normal;font-weig=
ht: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-t=
ransform: none;white-space: normal;" class>&nbsp; &nbsp; &nbsp; HBpinLow(MO=
TOR_STEP);</div><div style=3D"margin: 0px;font-family: Georgia;font-size: 1=
3px;font-style: normal;font-weight: normal;letter-spacing: normal;text-alig=
n: start;text-indent: 0px;text-transform: none;white-space: normal;" class>=
&nbsp; &nbsp; &nbsp; waitfor(DelayMs(500));</div><div style=3D"margin: 0px;=
font-family: Georgia;font-size: 13px;font-style: normal;font-weight: normal=
;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: =
none;white-space: normal;" class>&nbsp; &nbsp; &nbsp; }</div><p style=3D"ma=
rgin: 0px;font-family: Georgia;font-size: 13px;font-style: normal;font-weig=
ht: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-t=
ransform: none;white-space: normal;" class></p><div style=3D"margin: 0px 0p=
x 1em;font-family: Georgia;font-size: 13px;font-style: normal;font-weight: =
normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-trans=
form: none;white-space: normal;" class><span class></span><br class=3D"webk=
it-block-placeholder"></div><div style=3D"margin: 0px;font-family: Georgia;=
font-size: 13px;font-style: normal;font-weight: normal;letter-spacing: norm=
al;text-align: start;text-indent: 0px;text-transform: none;white-space: nor=
mal;" class>&nbsp; &nbsp;waitfor(DelayMs(1000));</div><br class=3D"Apple-in=
terchange-newline"></div></blockquote></div><br class></div></p>

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  }

  div.attach-table {
    width: 400px;
  }

  div.file-title a, div.file-title a:active, div.file-title a:hover, div.fi=
le-title a:visited {
    text-decoration: none;
  }

  div.photo-title a, div.photo-title a:active, div.photo-title a:hover, div=
.photo-title a:visited {
    text-decoration: none;
  }

  div#ygrp-mlmsg #ygrp-msg p a span.yshortcuts {
    font-family: Verdana;
    font-size: 10px;
    font-weight: normal;
  }

  .green {
    color: #628c2a;
  }

  .MsoNormal {
    margin: 0 0 0 0;
  }

  o {
    font-size: 0;
  }

  #photos div {
    float: left;
    width: 72px;
  }

  #photos div div {
    border: 1px solid #666666;
    height: 62px;
    overflow: hidden;
    width: 62px;
  }

  #photos div label {
    color: #666666;
    font-size: 10px;
    overflow: hidden;
    text-align: center;
    white-space: nowrap;
    width: 64px;
  }

  #reco-category {
    font-size: 77%;
  }

  #reco-desc {
    font-size: 77%;
  }

  .replbq {
    margin: 4px;
  }

  #ygrp-actbar div a:first-child {
   /* border-right: 0px solid #000;*/
    margin-right: 2px;
    padding-right: 5px;
  }

  #ygrp-mlmsg {
    font-size: 13px;
    font-family: Arial, helvetica,clean, sans-serif;
    *font-size: small;
    *font: x-small;
  }

  #ygrp-mlmsg table {
    font-size: inherit;
    font: 100%;
  }

  #ygrp-mlmsg select, input, textarea {
    font: 99% Arial, Helvetica, clean, sans-serif;
  }

  #ygrp-mlmsg pre, code {
    font:115% monospace;
    *font-size:100%;
  }

  #ygrp-mlmsg * {
    line-height: 1.22em;
  }

  #ygrp-mlmsg #logo {
    padding-bottom: 10px;
  }


  #ygrp-msg p a {
    font-family: Verdana;
  }

  #ygrp-msg p#attach-count span {
    color: #1E66AE;
    font-weight: 700;
  }

  #ygrp-reco #reco-head {
    color: #ff7900;
    font-weight: 700;
  }

  #ygrp-reco {
    margin-bottom: 20px;
    padding: 0px;
  }

  #ygrp-sponsor #ov li a {
    font-size: 130%;
    text-decoration: none;
  }

  #ygrp-sponsor #ov li {
    font-size: 77%;
    list-style-type: square;
    padding: 6px 0;
  }=20

  #ygrp-sponsor #ov ul {
    margin: 0;
    padding: 0 0 0 8px;
  }

  #ygrp-text {
    font-family: Georgia;
  }

  #ygrp-text p {
    margin: 0 0 1em 0;
  }

  #ygrp-text tt {
    font-size: 120%;
  }

  #ygrp-vital ul li:last-child {
    border-right: none !important;=20
  }=20
  -->
  </style>
</head>

<!--~-|**|PrettyHtmlEnd|**|-~-->
</html>
<!-- end group email -->


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