Linux Serial: Difference between revisions
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+-----------------------------------------------------------------------+ | +-----------------------------------------------------------------------+ | ||
You can change the baud rate, | You can change the baud rate, data bits, parity, and stop bits if needed by typing in the letter e: | ||
+-----------------------------------------------------------------------+ | +-----------------------------------------------------------------------+ | ||
| A - Serial Device : /dev/ttyS0 | | | A - Serial Device : /dev/ttyS0 | | ||
Latest revision as of 20:52, 16 March 2015
Connect to a Router via Debian Linux Serial
Install minicom, very nice Linux serial terminal
apt-get update && apt-get install minicom
Check to make sure your serial port(s) are seen
# dmesg | grep ttyS [ 0.755617] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A <--- COM 0 [ 0.836174] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A <--- COM 1
Go into the minicom menu
minicom -s
Using your arrow keys, highlight Serial port setup and press enter
+-----[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 |
+--------------------------+
Type the letter a
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/modem |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 9600 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
Change the serial device to /dev/ttyS0 or whatever your serial is and press enter:
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyS0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 9600 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
You can change the baud rate, data bits, parity, and stop bits if needed by typing in the letter e:
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyS0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 9600 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
Hit enter when you are done modifying the settings
+-----------------+---------[Comm Parameters]----------+----------------+
| A - Serial De| | |
| B - Lockfile Loc| Current: 9600 8N1 | |
| C - Callin Pro| Speed Parity Data | |
| D - Callout Pro| A: <next> L: None S: 5 | |
| E - Bps/Par/B| B: <prev> M: Even T: 6 | |
| F - Hardware Flo| C: 9600 N: Odd U: 7 | |
| G - Software Flo| D: 38400 O: Mark V: 8 | |
| | E: 115200 P: Space | |
| Change which | | |
+-----------------| Stopbits |----------------+
| Screen a| W: 1 Q: 8-N-1 |
| Save set| X: 2 R: 7-E-1 |
| Save set| |
| Exit | |
| Exit fro| Choice, or <Enter> to exit? |
+---------+------------------------------------+
Hit enter to get back to the main menu and then select Save setup as dfl.
+-----[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 |
+--------------------------+
Selecting Exit will take you into the terminal, and there is a bar on the bottom with information and CTRL-A then Z for help.
CTRL-A and then Q to quit.
