TRANSMISSION OF NMEA 0183 SENTENCES
With the Nmea4Wifi Tool you transmit Nmea 0183 sentences read
from a file. These sentences can be directed to one of the
following targets: COM port; UDP port or TCP port. If there are
sentences in the specified file, they will be shown in the display
window as they are transmitted when you press the RESUME button.
When you do that, the button changes its label to PAUSE and all
the other buttons become disabled. In order to change any
transmission settings you need to return to the previous window by
pressing the button PAUSE to stop the display of sent sentences
and allow the change of settings. Broadcasting of Nmea 0183
sentences is stopped when this form is loaded. A description of
the transmission settings follows.
COM port – shows the chosen COM port number and baud rate.
To change these settings, press CHANGE.
UDP port – shows the chosen UDP port number and IP Address.
To change this setting, press CHANGE.
TCP port – shows the chosen TCP port number and IP Address.
To change these settings, press CHANGE.
Filter String – used to filter the Nmea 0183 sentence read
from the file before transmitting.
Period – time interval in mili-seconds between each
transmission (can be affected by Sentence Filtering).
AutoScroll – when checked the last transmitted sentence
appears on the bottom line of the display window. When unchecked
you will need to Pause and use the scroll bar to see the last
transmitted sentences.
Clear – button to clear the display window.
Filename to Transmit – points to the filename that contains
Nmea 0183 sentences to be transmitted, when you press RESUME in
this form or when you press "Start Broadcasting" in the ToolBar of
the Nmea4Wifi Tool. The button CHANGE allows the setting of this
file. When the end of file is reached, reading starts again from
the beginning of the file except if the filename starts with the
character 1. In this case, no repetition occurs and the file is
only transmitted once.
Set as Default – saves the present Transmission Settings
(COM, UDP and TCP ports, baud rate, IP Address, filename for
sending) in the file Nmea4Wifi.ini that exists in the
Nmea4Wifi.exe folder. These settings will be used in the next
Nmea4Wifi running session.
Exit – closes the form and returns to the main Nmea4Wifi
working space.