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andyvand / arduino

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Allow SoftwareSerial to share RX and TX pins. #1022

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
What change would like to see?

From Ed Baafi. The ability for SoftwareSerial to use the same pin for RX and TX 
(half-duplex). See: https://github.com/Modkit/Arduino/commits/new-extension for 
a possible implementation.

It would be good if this worked well / simply if you only wanted to either 
transmit or receive, but not both.

Why?

To reduce pin usage.

Would this cause any incompatibilities with previous versions?  If so, how
can these be mitigated?

Original issue reported on code.google.com by dmel...@gmail.com on 30 Aug 2012 at 2:00