[amsat-bb] Re: LVB Tracker / 5500 rotor / USB-Serial Port coversion

Howard Long howard at howardlong.com
Thu Sep 16 00:40:17 PDT 2010


Sorry I only just saw this thread on the way into work today, these days I
only seem to have time to browse the BB on my commute I'm afraid.

I wonder if you have tried erasing the FTDI drivers with their utility and
re-installing them?

In addition, to check the FTDI COM port is working, I generally open up a
terminal emulator like Hyperterminal or Teraterm, set it to 9600, N, 8, 1 on
the appropriate COM port (use Device Manager - devmgmt.msc, Ports (COM &
LPT) to determine the COM port number). Once conneted, hit enter a couple of
times and you shout get the question mark prompt. That will prove
connectivity without the complexity of having to figure out your tracking
program too.

Version 0.9 of the tracker firmware is the most up to date version.


When programming, you should use the PICPROG.EXE v0.2 program
http://www.g6lvb.com/Articles/LVBTracker/PicProg.exe with the PIC in situ on
the board using a hardware (not USB virtual) serial port.

If, for some reason, you choose not to use PICPROG.EXE, you can use MPLAB
instead with a compatible programmer. Configure->Select Device as 16F876 or
16F876A device as appropriate, File->Import the hex file, and set
Configure->Configuration bits like this:

        // Default config bits...
        // Osc=XT, WDT off, PUT on, BOD off, LVP off, FPW on, DBG off, data
EE prot off, CodeProt off

73, Howard G6LVB

-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of Knut
Sent: 14 September 2010 06:28
To: AMSAT-BB at amsat.org
Subject: [amsat-bb] LVB Tracker / 5500 rotor / USB-Serial Port coversion

I am struggling trying to establish a proper USB - Serial port conversion on
my laptop. Can someone tell me which software is best for this conversion
and what are the pitfalls. I have tried the FTDI Drivers as described in the
LVB Tracker Box Manual without success. With so many LVB Trackers in use I
am sure there is a way, but I have not found it yet. I may be doing
something wrong during the installation of this software and I can not
figure it out. Any suggestion will really be appreciated and tried.

Newbe Knut / N6BNP
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