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 *
 * This help file was generated from cmd_digital_out.sci using help_from_sci().
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  <refnamediv>
    <refname>cmd_digital_out</refname>
    <refpurpose>Command to sent out digital signal to a connected Arduino board</refpurpose>
  </refnamediv>


<refsynopsisdiv>
   <title>Calling Sequence</title>
   <synopsis>
   cmd_digital_out(h,pin_no,val)
   
   </synopsis>
</refsynopsisdiv>

<refsection>
   <title>Parameters</title>
   <variablelist>
   <varlistentry><term>h :</term>
      <listitem><para> Board number, reserved for future use. For this version, any number would do</para></listitem></varlistentry>
   <varlistentry><term>pin_no :</term>
      <listitem><para> Digital pin to sent the signal</para></listitem></varlistentry>
   <varlistentry><term>val :</term>
      <listitem><para> The value of 0 or 1 to be sent to the digital pins with. It is correspond to 0 and 5V</para></listitem></varlistentry>
   </variablelist>
</refsection>

<refsection>
   <title>Description</title>
   <para>
The Arduino board has a set of logical ports (digital) that are used for writing or reading data from a component.
   </para>
   <para>
To map a UNO, ports 2-13 are available (0 and 1 are used for serial transmission). For MEGA board, ports 2-53 are available. The port takes the low logic level (0) or logic high (1) which corresponds to the reference voltage.
   </para>
   <para>
</para>
</refsection>

<refsection>
   <title>Examples</title>
   <programlisting role="example"><![CDATA[
ok = open_serial(1,9,115200)
cmd_digital_out(1,13,0)
sleep(1000)
cmd_digital_out(1,13,1)
sleep(1000)
close_serial(1)

   ]]></programlisting>
</refsection>

<refsection>
   <title>See also</title>
   <simplelist type="inline">
   <member><link linkend="cmd_digital_in">cmd_digital_in</link></member>
   </simplelist>
</refsection>

<refsection>
   <title>Authors</title>
   <simplelist type="vert">
   <member>Bruno JOFRET, Tan C.L.</member>
   </simplelist>
</refsection>
</refentry>
