fldigi's xmlrpc server is always executing. Xml-Rpc allows third party software to control various aspects of fldigi operation including but not limited to rig control. You may need to try various values of retries, retry interval, and command interval to achieve consistent hamlib control. You might also need to specifiy whether RTS/CTS flow control is uses (Kenwood rigs use this quite often) or if Xon/Xoff flow control is used. PTT control can be achieved using CAT commands or via DTR / RTS on the same port as the control comms. If you are familiar with the hamlib library you can send various startup sequences to the rig using the advanced configuration. Then select the serial port and baud rate. Select your transceiver from the list of supported units. The hamlib library is not developed or maintained by the fldigi developers. The hamlib library system consists of a front end which acts on behalf of all rigs and backends which are specific to each rig. Hamlib is a set of standard libraries for interfacing to a large number of transceivers. If the settings are all correct fldigi should start receiving frequency information from the rig and annunciating them on the rig control frequency display. Press the Initialize button after setting all of the parameters. You may need to try various values of retries, retry interval, and command interval to achieve consistent rigcat control. That will suppress fldigi trying to respond to a command it just sent to the transceiver. If you are using a transceiver or a rig interface such as CI-V that echos all serial data you check off the "Commands are echoed" box. In that case simply leave all of the PTT options unselected. None would be appropriate if you are using the rig's VOX or an outboard sound card interface such as the SignalLink SL-1+ which produces its own VOX type of PTT. This can be using a CAT command, the RTS or DTR pins or none. You will need to specify how your PTT will be triggered. Place the file in your rigs directory and fldigi will find it. You can download the appropriate xml files from the xml archives. These contain definitions for the transceiver indicated by the file name, ie: FT-450.xml, IC-756PRO.xml, etc. fldigi will look for a file in the $HOME/.fldigi/rigs directory for all files with extension ".xml". Please read the specification document rigxml to learn more about this new way of building generic rig interface definitions and how they are used with fldigi. RigCAT commands and responses are defined in a rig specific xml file which contains all of the required queries and responses in extended markup language format. The FT-450, FT-950 and others share a similar set of commands and responses. Yaesu rigs have nearly all used unique command/response structures until just recently. ICOM uses almost identical command/response strings for all of its transceiver line. The easiest way is to adapt an existing rig xml file for a rig that is similar to your own. You can use a rig.xml file specific for your transceiver or write and test one yourself. It uses command / response definitions that are found in various rig.xml files. RigCAT is a rig control that was developed specifically for fldigi. The defaults are local host, 127.0.0.1, and port 12345. The computer address and port must match the location and configuration of flrig. flrig may reside on the same computer or on another that can be reached on the local area network. fldigi will attempt to connect to the flrig server and will do so periodically until the connection is established. Select the "Enable flrig xcvr control with fldigi as client" for this method of control. Older transceivers will impose the greatest restriction especially when it's firmware is busy with internal processes. The update limit is usually imposed by the transceiver and the baud rate selected for the transceiver-computer interface. These changes are communicated ten times each second. Transceiver control changes may be made at the transceiver, flrig, or fldigi and the change will be annunciated at the other two. It is the recommended method of control when your transceiver supports CAT operations and has been coded for flrig.įldigi and flrig communicate changes in transceiver state using the xmlrpc protocol over a local socket. Using flrig with fldigi can enhance your digital mode operating experience. Flrig is a separate program that provides nearly 100% control over more than 60 different transceivers.
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