add usart example for STM32F042-nucleo

This commit is contained in:
eddyem
2017-03-01 20:51:03 +03:00
parent 5c5bd9468e
commit 89294084e6
15 changed files with 905 additions and 1 deletions

View File

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This is a simple USART over DMA application with software end of string control.
Speed 115200. Received string echoes back.
run
DEFS=-DCHECK_TMOUT make
to add timeout 1.5s for each letter
DEFS="-DCHECK_TMOUT -DTIMEOUT_MS=xx" make
to make another timeout