Gregory Nutt 98b2949e3b z20x: Improve usability of bootloader
boards/z80/ez80/z20x/configs/w25boot/defconfig:  Increase size of serial Tx buffer.

boards/z80/ez80/z20x/src/w25_main.c:  Add some fflush() in necessary places.  Greatly improves the usability of the UI.

boards/z80/ez80/z20x/README.txt:  Trival update to README

drivers/serial/serial.c and tcdrain.c:  Correct some typos.
2020-03-14 14:07:45 -03:00
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2020-03-14 14:07:45 -03:00