XML-RPC data is transported via simple HTTP and client implementations exist for most programming languages. A Perl client that can be used as a control script is included in the source tar ball as scripts/fldigi-shell. This control method is currently used by several external programs including flrig, logger32 and Xlog.

The following command line arguments become available when XML-RPC support is compiled into fldigi, as described in the build instructions:

 --xmlrpc-server-address HOSTNAME
   Set the XML-RPC server address. The default is 127.0.0.1.

 --xmlrpc-server-port PORT
   Set the XML-RPC server port. The default is 7362.

 --xmlrpc-allow REGEX
   Allow only the methods whose names match REGEX

 --xmlrpc-deny REGEX
   Allow only the methods whose names don't match REGEX

 --xmlrpc-list
   List all available methods

The –xmlrpc-deny and –xmlrpc-allow switches can be used as a simple access control mechanism. REGEX specifies a POSIX extended regular expression. This invocation disables the methods that may cause fldigi to transmit:

  --xmlrpc-deny 'main\.(tx|tune|run_macro)'

By default all methods are allowed.

The –xmlrpc-list switch outputs the method list and exits the program. If preceded by –xmlrpc-deny or –xmlrpc-allow, it shows the list of methods as filtered by those switches.

The methods are listed below. The three columns are method name, signature (return_type:argument_types), and description. Refer to the XML-RPC specification for the meaning of the signature characters

XML Command Symbol Interpretation

Symbol	Interpretation
6	bytes
A	array
b	boolean
d	double
i	integer
n	nil
s	string
S	struct

Table of XML Commands

Method Name	Sig (ret:arg)	Description
fldigi.config_dir	s:n	Returns the name of the configuration directory
fldigi.list	A:n	Returns the list of methods
fldigi.name	s:n	Returns the program name
fldigi.name_version	s:n	Returns the program name and version
fldigi.terminate	n:i	Terminates fldigi. `‘i’' is bitmask specifying data to save: 0=options; 1=log; 2=macros
fldigi.version	s:n	Returns the program version as a string
fldigi.version_struct	S:n	Returns the program version as a struct
io.enable_arq	n:n	Switch to ARQ I/O
io.enable_kiss	n:n	Switch to KISS I/O
io.in_use	s:n	Returns the IO port in use (ARQ/KISS).
log.clear	n:n	Clears the contents of the log fields
log.get_az	s:n	Returns the AZ field contents
log.get_band	s:n	Returns the current band name
log.get_call	s:n	Returns the Call field contents
log.get_country	s:n	Returns the Country field contents
log.get_exchange	s:n	Returns the contest exchange field contents
log.get_frequency	s:n	Returns the Frequency field contents
log.get_locator	s:n	Returns the Locator field contents
log.get_name	s:n	Returns the Name field contents
log.get_notes	s:n	Returns the Notes field contents
log.get_province	s:n	Returns the Province field contents
log.get_qth	s:n	Returns the QTH field contents
log.get_rst_in	s:n	Returns the RST(r) field contents
log.get_rst_out	s:n	Returns the RST(s) field contents
log.get_serial_number	s:n	Returns the serial number field contents
log.get_serial_number_sent	s:n	Returns the serial number (sent) field contents
log.get_state	s:n	Returns the State field contents
log.get_time_off	s:n	Returns the Time-Off field contents
log.get_time_on	s:n	Returns the Time-On field contents
log.set_call	n:s	Sets the Call field contents
log.set_exchange	n:s	Sets the contest exchange field contents
log.set_locator	n:s	Sets the Locator field contents
log.set_name	n:s	Sets the Name field contents
log.set_qth	n:s	Sets the QTH field contents
log.set_rst_in	n:s	Sets the RST(r) field contents
log.set_rst_out	n:s	Sets the RST(s) field contents
log.set_serial_number	n:s	Sets the serial number field contents
main.abort	n:n	Aborts a transmit or tune
main.get_afc	b:n	Returns the AFC state
main.get_char_rates	s:n	Returns table of char rates.
main.get_char_timing	n:6	Input: value of character. Returns transmit duration for specified character (samples:sample rate).
main.get_frequency	d:n	Returns the RF carrier frequency
main.get_lock	b:n	Returns the Transmit Lock state
main.get_max_macro_id	i:n	Returns the maximum macro ID number
main.get_reverse	b:n	Returns the Reverse Sideband state
main.get_rsid	b:n	Returns the RSID state
main.get_txid	b:n	Returns the TxRSID state
main.get_squelch	b:n	Returns the squelch state
main.get_squelch_level	d:n	Returns the squelch level
main.get_status1	s:n	Returns the contents of the first status field (typically s/n)
main.get_status2	s:n	Returns the contents of the second status field
main.get_trx_state	s:n	Returns T/R state
main.get_trx_status	s:n	Returns transmit/tune/receive status
main.get_tx_timing	n:6	Returns transmit duration for test string (samples:sample rate:secs).
main.get_wf_sideband	s:n	Returns the current waterfall sideband
main.inc_frequency	d:d	Increments the RF carrier frequency. Returns the new value
main.inc_squelch_level	d:d	Increments the squelch level. Returns the new level
main.run_macro	n:i	Runs a macro
main.rx	n:n	Receives
main.rx_only	n:n	Disables Tx.
main.rx_tx	n:n	Sets normal Rx/Tx switching.
main.set_afc	b:b	Sets the AFC state. Returns the old state
main.set_frequency	d:d	Sets the RF carrier frequency. Returns the old value
main.set_lock	b:b	Sets the Transmit Lock state. Returns the old state
main.set_reverse	b:b	Sets the Reverse Sideband state. Returns the old state
main.set_rsid	b:b	Sets the RSID state. Returns the old state
mmain.set_txid	b:b	Sets the TxRSID state. Returns the old state
main.set_squelch	b:b	Sets the squelch state. Returns the old state
main.set_squelch_level	d:d	Sets the squelch level. Returns the old level
main.set_wf_sideband	n:s	Sets the waterfall sideband to USB or LSB
main.toggle_afc	b:n	Toggles the AFC state. Returns the new state
main.toggle_lock	b:n	Toggles the Transmit Lock state. Returns the new state
main.toggle_reverse	b:n	Toggles the Reverse Sideband state. Returns the new state
main.toggle_rsid	b:n	Toggles the RSID state. Returns the new state
main.toggle_txid	b:n	Toggles the TxRSID state. Returns the new state
main.toggle_squelch	b:n	Toggles the squelch state. Returns the new state
main.tune	n:n	Tunes
main.tx	n:n	Transmits
modem.get_afc_search_range	i:n	Returns the modem AFC search range
modem.get_bandwidth	i:n	Returns the modem bandwidth
modem.get_carrier	i:n	Returns the modem carrier frequency
modem.get_id	i:n	Returns the ID of the current modem
modem.get_max_id	i:n	Returns the maximum modem ID number
modem.get_name	s:n	Returns the name of the current modem
modem.get_names	A:n	Returns all modem names
modem.get_quality	d:n	Returns the modem signal quality in the range [0:100]
modem.inc_afc_search_range	n:i	Increments the modem AFC search range. Returns the new value
modem.inc_bandwidth	n:i	Increments the modem bandwidth. Returns the new value
modem.inc_carrier	i:i	Increments the modem carrier frequency. Returns the new carrier
modem.olivia.get_bandwidth	i:n	Returns the Olivia bandwidth
modem.olivia.get_tones	i:n	Returns the Olivia tones
modem.olivia.set_bandwidth	n:i	Sets the Olivia bandwidth
modem.olivia.set_tones	n:i	Sets the Olivia tones
modem.search_down	n:n	Searches downward in frequency
modem.search_up	n:n	Searches upward in frequency
modem.set_afc_search_range	n:i	Sets the modem AFC search range. Returns the old value
modem.set_bandwidth	n:i	Sets the modem bandwidth. Returns the old value
modem.set_by_id	i:i	Sets the current modem. Returns old ID
modem.set_by_name	s:s	Sets the current modem. Returns old name
modem.set_carrier	i:i	Sets modem carrier. Returns old carrier
navtex.get_message	s:i	Returns next Navtex/SitorB message with a max delay in seconds.. Empty string if timeout.
navtex.send_message	s:s	Send a Navtex/SitorB message. Returns an empty string if OK otherwise an error message.
rig.get_bandwidth	s:n	Returns the name of the current transceiver bandwidth
rig.get_bandwidths	A:n	Returns the list of available rig bandwidths
rig.get_mode	s:n	Returns the name of the current transceiver mode
rig.get_modes	A:n	Returns the list of available rig modes
rig.get_name	s:n	Returns the rig name previously set via rig.set_name
rig.get_notch	s:n	Reports a notch filter frequency based on WF action
rig.release_control	n:n	Switches rig control to previous setting
rig.set_bandwidth	n:s	Selects a bandwidth previously added by rig.set_bandwidths
rig.set_bandwidths	n:A	Sets the list of available rig bandwidths
rig.set_frequency	d:d	Sets the RF carrier frequency. Returns the old value
rig.set_mode	n:s	Selects a mode previously added by rig.set_modes
rig.set_modes	n:A	Sets the list of available rig modes
rig.set_name	n:s	Sets the rig name for xmlrpc rig
rig.set_pwrmeter	n:i	Sets the power meter returns null.
rig.set_smeter	n:i	Sets the smeter returns null.
rig.take_control	n:n	Switches rig control to XML-RPC
rx.get_data	6:n	Returns all RX data received since last query.
rxtx.get_data	6:n	Returns all RXTX combined data since last query.
spot.get_auto	b:n	Returns the autospotter state
spot.pskrep.get_count	i:n	Returns the number of callsigns spotted in the current session
spot.set_auto	n:b	Sets the autospotter state. Returns the old state
spot.toggle_auto	n:b	Toggles the autospotter state. Returns the new state
text.add_tx	n:s	Adds a string to the TX text widget
text.add_tx_bytes	n:6	Adds a byte string to the TX text widget
text.clear_rx	n:n	Clears the RX text widget
text.clear_tx	n:n	Clears the TX text widget
text.get_rx	6:i	Returns a range of characters (start, length) from the RX text widget
text.get_rx_length	i:n	Returns the number of characters in the RX widget
tx.get_data	6:n	Returns all TX data transmitted since last query.
wefax.end_reception	s:n	End Wefax image reception
wefax.get_received_file	s:i	Waits for next received fax file, returns its name with a delay. Empty string if timeout.
wefax.send_file	s:i	Send file. returns an empty string if OK otherwise an error message.
wefax.set_adif_log	s:b	Set/reset logging to received/transmit images to ADIF log file
wefax.set_max_lines	s:i	Set maximum lines for fax image reception
wefax.set_tx_abort_flag	s:n	Cancels Wefax image transmission
wefax.skip_apt	s:n	Skip APT during Wefax reception
wefax.skip_phasing	s:n	Skip phasing during Wefax reception
wefax.state_string	s:n	Returns Wefax engine state (tx and rx) for information.

Deprecated methods:

Method Name	Sig	Resolution
log.get_sideband	s:n	use main.get_wf_sideband
main.get_rig_bandwidth	s:n	use rig.get_bandwidth
main.get_rig_bandwidths	n:A	use rig.get_bandwidths
main.get_rig_mode	s:n	use rig.get_mode
main.get_rig_modes	A:n	use rig.get_modes
main.get_sideband	s:n	use main.get_wf_sideband and/or rig.get_mode
main.rsid	n:n	use main.{get,set,toggle}_rsid
main.set_rig_bandwidth	n:s	use rig.set_bandwidth
main.set_rig_bandwidths	n:A	use rig.set_bandwidths
main.set_rig_frequency	d:d	use rig.set_frequency
main.set_rig_mode	n:s	use rig.set_mode
main.set_rig_modes	n:A	use rig.set_modes
main.set_rig_name	n:s	use rig.set_name
main.set_sideband	n:s	use main.set_wf_sideband and/or rig.set_mode

Minimized WF Window

If your external control program duplicates some of the fldigi controls such as the Rx and Tx pane you can run fldigi in a fully minimized mode. Fldigi then only provides the controls necessary for signal acquisition and waterfall management. Minimization is accomplished by setting the command line switch (--wo). The user interface then has this appearance:

Simplified WF Window Display

The documentation for the external control program will provide additional information if this user interface is desired.

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Table of Contents

XML Command Symbol Interpretation

Table of XML Commands

Minimized WF Window