serport9
Hardware driver for the digital i/o bits of the 8250 and 16550 serial port.
Usage
loadrt serport
io=addr
[,addr ...]
Functions
serport.N.read
serport.N.write
Pins
- serport.N.pin-1-in bit out
-
Also called DCD (data carrier detect); pin 8 on the 25-pin serial pinout
- serport.N.pin-6-in bit out
-
Also called DSR (data set ready); pin 6 on the 25-pin serial pinout
- serport.N.pin-8-in bit out
-
Also called CTS (clear to send); pin 5 on the 25-pin serial pinout
- serport.N.pin-9-in bit out
-
Also called RI (ring indicator); pin 22 on the 25-pin serial pinout
- serport.N.pin-1-in-not bit out
-
Inverted version of pin-1-in
- serport.N.pin-6-in-not bit out
-
Inverted version of pin-6-in
- serport.N.pin-8-in-not bit out
-
Inverted version of pin-8-in
- serport.N.pin-9-in-not bit out
-
Inverted version of pin-9-in
- serport.N.pin-3-out bit in
-
Also called TX (transmit data); pin 2 on the 25-pin serial pinout
- serport.N.pin-4-out bit in
-
Also called DTR (data terminal ready); pin 20 on the 25-pin serial pinout
- serport.N.pin-7-out bit in
-
Also called RTS (request to send); pin 4 on the 25-pin serial pinout
Parameters
- serport.N.pin-3-out-invert bit rw
- serport.N.pin-4-out-invert bit rw
- serport.N.pin-7-out-invert bit rw
- serport.N.ioaddr u32 r
History
- Debian 13 (Trixie): the text shown here
- Debian 12 (Bookworm)