Enable UART for Arduino communication #10
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On newer kernels or images this may not be enabled by default, but is simple enough to enable at bootup, even without messing with kernel parameters.
The default shell, at least in Ubuntu 14.04 and presumably higher, is *not* bash, but dash.
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This is posted as ninjablocks#10.
This allows it to be run easily outside of bootup as well.
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The open pull request at ninjablocks#10 should be auto-updated.
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Newer images and/or kernels than those available from the Ninjablock stock may not have the additional UARTs enabled by default. They can, however, easily be enabled at runtime.