libc-compat: avoid using poisoned macro Old-style avr-libc macros are poisoned and should not be used with recent device headers. In uart and adc modules, use the most recent macros names if they are available. This fixes the compilation with recent devices. Signed-off-by: Gregor Riepl <onitake@gmail.com>
uart: fix compilation on recent avr-gcc Signed-off-by: Olivier Matz <zer0@droids-corp.org>
uart: fix compilation on atmega328p
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