NAME¶
baycomepp - Baycom EPP modem driver
SYNOPSIS¶
baycomepp [ -lknvcaz ] [-p portaddr] [-m modestr]
[--epp] [--ecp] [--eppconv] [--eppafsk]
[--ifname name] [--hwaddr callsign] [--ipaddr ipaddress]
[--netmask netmask] [--broadcast broadcast]
DESCRIPTION¶
baycomepp is a user mode driver for the Baycom EPP modem family. It
currently supports the conventional EPP modem (using the IDT 72xxx FIFO's) and
the FPGA (Xilinx XCS10) variant. The driver automatically initializes the FPGA
modem depending on the requested mode. In order to keep the resident memory
footprint small (approx 20kBytes plus standard system shared libraries like
libc), the initialization code is contained in a shared library called
baycomfpga_init.so . This driver is able to automatically attach itself
to the kernel network stack as a network interface (usually called ax0). To do
this it requires the Linux Kernel MKISS driver (enable CONFIG_MKISS).
OPTIONS¶
baycomepp accepts the following options:
- -h
- --help Display an overview of the available command line parameters
and exit.
- -v
- --verbose Increases the verbosity of the output. May be
cumulated.
- -p
- --port Specifies the base address of the EPP capable parallel port
to which the modem is connected. Use the 0x prefix to specify
hexadecimal numbers.
- -m
- --mode Specifies various ``firmware'' options.
- -n
- --no-daemon Do not start up in background as a daemon. Also log
received and transmitted packets to stdout.
- -l
- --log Log to syslog.
- -k
- --kill Kill running baycomepp daemons. Don't start the driver
proper.
- --epp
- Start up in EPP FSK mode. Requires the FPGA version.
- --eppafsk
- Start up in EPP AFSK mode. Requires the FPGA version.
- --ecp
- Start up in ECP FSK mode. Requires the FPGA version.
- --eppconv
- Start up in conventional EPP FSK mode. Requires the conventional
version.
- --ifname
- Set the name of the interface (requires Linux 2.2.x)
- --hwaddr
- Set the hardware address (callsign) of the interface
- --ipaddr
- Set the ip address of the interface
- --netmask
- Set the netmask of the interface
- --broadcast
- Set the broadcast address of the interface
FIRMWARE OPTIONS¶
- intclk
- uses FPGA internal clock; don't use if an external oscillator is on
board.
- extclk
- uses the external oscillator; recommended if the internal modem is used,
as the frequency of the FPGA oscillator is not accurate enough.
- intmodem
- uses the internal modem
- extmodem
- uses a DF9IC type modem connected to the high speed modem connector
- divider=x
- sets the clock divider for the internal modem
(baud=fquartz/16/divider)
- loopback
- sets an internal modem loopback
- extstat
- allows extended status readback
- noextstat
- disallows extended status readback
SEE ALSO¶
ifconfig (8), sethdlc (8),
AUTHOR¶
baycomepp was written by Thomas Sailer, HB9JNX/AE4WA (sailer@ife.ee.ethz.ch).
