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How to use UARTs

2 bytes added, 11:58, 19 January 2012

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= Preparing IGEP =

To test UARTs we use UART0 (dev/ttyS0) and UART3 (dev/ttyS2) via J960 connector.=== Configure IGEP ===

To test UARTs we use UART0 (dev/ttyS0) and UART3 (dev/ttyS2) via J960 connector.  By default, UART0 is used by RS485 driver, we need to disable RS485 support, go to igep.ini file and search line:<pre>board.ei485= yes</pre>Maybe you don't fond this line, replace by or type this:

<pre>board.ei485= no

</pre>By default, UART3 is used by Kernel serial console, we need to disable it, go to igep.ini file and comment next line:<pre>console=ttyS2,115200n8</pre>

=== Check UARTs devices ===

=== Check UARTs devices ===

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