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How to set up UART2 in J990

176 bytes added, 17:55, 25 January 2012

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Log with root user via SSH or Serial cable.<br>

Go to /sys/kernel/debug/omap_mux/.

'''Disable Bluethoot:'''

export gpio137 gpio138 gpio139 gpio170 gpio64 gpiochip0 gpiochip128 gpiochip160 gpiochip192 gpiochip32 gpiochip64 gpiochip96 unexport

root@localhost:/sys/class/gpio#

</pre>

Export Gpio137 if you don't have it:

<pre>echo 137 &gt; /sys/class/gpio/export </pre>

0

root@localhost:/sys/class/gpio#

</pre> '''Disable Bluethoot UART2 wires:'''Go to /sys/kernel/debug/omap_mux/Type:<pre>echo 0x007 > uart2_ctsecho 0x007 > uart2_rtsecho 0x007 > uart2_rxecho 0x007 > uart2_tx </pre>

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