via serial to omada device
minicom was working fine.
Attach the "Serial to USB" cable to the linux host. (raspy3)
ssh in to the host
ssh raspy3
apt install minicom
minicom -s
+-----[configuration]------+
| Filenames and paths |
| File transfer protocols |
| Serial port setup |
| Modem and dialing |
| Screen and keyboard |
| Save setup as dfl |
| Save setup as.. |
| Exit |
| Exit from Minicom |
+--------------------------+
Select "Serial port setup" and press Enter
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyUSB0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 38400 8N1 |
| F - Hardware Flow Control : No |
| G - Software Flow Control : No |
| H - RS485 Enable : No |
| I - RS485 Rts On Send : No |
| J - RS485 Rts After Send : No |
| K - RS485 Rx During Tx : No |
| L - RS485 Terminate Bus : No |
| M - RS485 Delay Rts Before: 0 |
| N - RS485 Delay Rts After : 0 |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
press "a" and edit the device name
press "e" to setup the connection parameters
+---------[Comm Parameters]----------+
| |
| Current: 38400 8N1 |
| Speed Parity Data |
| A: <next> L: None S: 5 |
| B: <prev> M: Even T: 6 |
| C: 9600 N: Odd U: 7 |
| D: 38400 O: Mark V: 8 |
| E: 115200 P: Space |
| |
| Stopbits |
| W: 1 Q: 8-N-1 |
| X: 2 R: 7-E-1 |
| |
| |
| Choice, or <Enter> to exit? |
+------------------------------------+
press "d" for the speed and Enter to exit
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyUSB0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 38400 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| H - RS485 Enable : No |
| I - RS485 Rts On Send : No |
| J - RS485 Rts After Send : No |
| K - RS485 Rx During Tx : No |
| L - RS485 Terminate Bus : No |
| M - RS485 Delay Rts Before: 0 |
| N - RS485 Delay Rts After : 0 |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
press "f" for "Hardware Flow Control" and set to "no" and Enter to exit.
+-----[configuration]------+
| Filenames and paths |
| File transfer protocols |
| Serial port setup |
| Modem and dialing |
| Screen and keyboard |
| Save setup as dfl |
| Save setup as.. |
| Exit |
| Exit from Minicom |
+--------------------------+
Select "Save setup as dfl" amd Enter
Select "Exit" to leave the setup