https://wiki.barix.com/index.php?action=history&feed=atom&title=IPAM_IO_in_BCL 2026-04-25T23:15:15Z Revision history for this page on the wiki MediaWiki 1.37.1 https://wiki.barix.com/index.php?title=IPAM_IO_in_BCL&diff=723&oldid=prev 2009-03-23T21:09:21Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:09, 23 March 2009</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l59">Line 59:</td> <td colspan="2" class="diff-lineno">Line 59:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Back to [[IPAM_100]]</ins></div></td></tr> </table>

Sandra https://wiki.barix.com/index.php?title=IPAM_IO_in_BCL&diff=120&oldid=prev 2008-12-20T13:51:28Z

<p>New page: IPAM 100 features parallel input and output pins (PIO). In ABCL most of the PIOs are controllable in software. == Reserved PIOs == Several PIOs are reserved for standard functions on the...</p> <p><b>New page</b></p><div>IPAM 100 features parallel input and output pins (PIO). In ABCL most of the PIOs are controllable in software.<br /> <br /> == Reserved PIOs ==<br /> <br /> Several PIOs are reserved for standard functions on the ABCL firmware. Those are:<br /> * PIO 24 and 25 - red and green LED<br /> * PIO 8 - reset button<br /> * PIO 17 - one-wire RTC (IPAM carrier board only)<br /> <br /> == Programmable PIOs ==<br /> There are 8 freely programmable PIOs available on IPAM 100:<br /> * PIO 11<br /> * PIO 16<br /> * PIO 17 (not on IPAM carrier board)<br /> * PIO 20<br /> * PIO 22<br /> * PIO 23<br /> * PIO 29<br /> * PIO 30<br /> <br /> == PIO control in BCL ==<br /> <br /> The above PIOs can be used as inputs as well as outputs. By default all are initialised as inputs with internal pull-up resistor.<br /> <br /> The PIOs are read with the '''iostate''' command and written with the '''ioctl''' command. The ABCL technical manual provides a complete IO map for the IPAM 100. The map is divided into logical sections: relays, digital inputs, digital outputs, analog inputs, etc. The PIOs are mapped to both digital inputs as well as digital outputs. <br /> <br /> Reading a PIO (iostate on a digital input) switches the respective pin to an input, writing a PIO (ioctl on a digital output) switches the respective pin to an output. <br /> <br /> '''IMPORTANT:''' If you have an external peripherals attached to PIOs do not call ioctl on a PIO which is an input. This may damage the hardware!<br /> <br /> == Example ==<br /> We want to use PIOs 11, 16, 17 and 20 as inputs and PIOs 22, 23, 29 and 30 as outputs. By default all are initialised as inputs.<br /> <br /> PIOs 11, 16, 17 and 20 are mapped to digital inputs 201, 202, 203 and 204 as well as to digital output 101, 102, 103 and 104. <br /> <br /> PIOs 22, 23, 29 and 30 are mapped to digital inputs 205, 206, 207 and 208 as well as to digital output 105, 106, 107 and 108. <br /> <br /> To read the first four PIOs as inputs, use:<br /> <br /> &lt;pre&gt;<br /> iostate (201) ' read input PIO 11<br /> iostate (202) ' read input PIO 16<br /> iostate (203) ' read input PIO 17<br /> iostate (204) ' read input PIO 20<br /> &lt;/pre&gt;<br /> <br /> To control the last four PIOs as outputs, use:<br /> <br /> &lt;pre&gt;<br /> ioctl(105,0) ' set PIO 22 to output value 0<br /> ioctl(106,0) ' set PIO 23 to output value 0<br /> ioctl(107,0) ' set PIO 29 to output value 0<br /> ioctl(108,0) ' set PIO 30 to output value 0<br /> <br /> ioctl(105,1) ' set PIO 22 to output value 1<br /> ioctl(106,1) ' set PIO 23 to output value 1<br /> ioctl(107,1) ' set PIO 29 to output value 1<br /> ioctl(108,1) ' set PIO 30 to output value 1<br /> <br /> &lt;/pre&gt;</div>

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