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How to set up UART2 in J990

85 bytes added, 20:09, 25 January 2012

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More information about UART: [http://en.wikipedia.org/wiki/Universal_asynchronous_receiver/transmitter <span style="text-decoration: underline;">here</span>] and [[How to use UARTs|here]].'''<br>'''

There are three modes to configure UART2 in J990: via user space (fast mode), editing kernel source and compile it (slow mode) or editing only igep.ini (faster mode).

= Feedback and Contributing =

'''NOTE: Only configures UART2_TX(6) and UART2_RX(8). You can not use UART2_CTS(4) AND UART2_RTS(10) which are usually referred to as hardware flow control. For example you can use RS232 but not RS485 peripheral. Don't use minicom with hardware flow control enable. '''<br> Go to igep.ini file, replaced by or type this:

<pre>buddy=igep0022

buddy.modem=yes </pre>= Slow Mode(under construction) =

= Slow Mode(under construction) = Slow mode: configure kernel source.<span lang="en" idclass="result_boxshort_text" classid="short_textresult_box"><span class="hps">Configuration will be</span> <span class="hps">permanent.</span></span>

=== Configure IGEP ===

Make sure that IGEPv2 Expansion is disabled, go to igep.ini file:

<pre>;buddy=igep0022 </pre>

'''Please contribute'''

= Test UART2 in J990<br> =

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| [[Image:Uart2 igepv2 j990 connector.png|800x500px]]   [[Category:Communications]] [[Category:How_to_forge]] [[Category:Tutorials]] 

|}

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