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Alessandro Rubini authored
This introduces dev/uart-sw as an alternative to dev/uart . The software-only thing is a pair of circular buffers that can be driven by tools/wrpc-uart-sw . The software uart can be enabled by Kconfig (and is disabled by default). The code size is the same as the uart, but it "wastes" 306 bytes of data space. Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
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