Attention is currently required from: fixeria, jolly.

laforge has posted comments on this change. ( https://gerrit.osmocom.org/c/libosmocore/+/30763?usp=email )

Change subject: core: Add software UART implementation ......................................................................

Patch Set 3:

(1 comment)

File src/core/soft_uart.c:

https://gerrit.osmocom.org/c/libosmocore/+/30763/comment/b08f4bd0_2bbe7a2e PS3, Line 203: /* FIXME: Tx */

Ah, I actually wanted to clarify the idea behind this function first. […]

enabling/disabling the receiver are completely orthogonal functions to modem status lines (they also are completely independent in any hardware UART). modem status lines tell you information like the state of the *attached* equipment. Example: Is the data terminal ready (DTR)? Does the modem have a carrier? (DCD). See V.110 and the table in https://osmocom.org/projects/retronetworking/wiki/RS232_vs_ITU_V24_Signal_Na... giving "normal" names for those numeric circuit numbers in V.110

So basically all this function here would do is to set some state whcih then ends up in the S/X-bits, and which is used by the remote end to replicate those status lines.