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Topic:
Communications Speed Setting
This thread has 8 replies. Displaying all posts.
Post 1 made on Friday September 29, 2000 at 11:07
Gary Boudreaux
Historic Forum Post
Has anyone tried setting the communications speed to Medium or Low? I realize that there is normally no need to do this, but I'm trying to debug my problem with hooking up to a Mac (see other thread). Since the program initially connects to the remote at 4800 baud until it can tell the remote to switch to the desired speed, I thought I would try setting the comm parameter to Low so that it would never try to change from 4800 to a higher speed. Even on the PC at work, I can't get the program to talk to the remote at anything but the High speed. I suspect that there is a bug in the software, and that it hasn't been reported yet only because nobody has seen a need to set the speed lower.
OP | Post 2 made on Friday September 29, 2000 at 22:13
Arjen
Historic Forum Post
Gee....that's a first. Have you tried fiddling with your serial port settings? Mine are:

Bps: 38400 (maximum for an older digital camera I have)
Data bits: 8
Parity: none
Stop bits: 1
Flow control: Hardware
FIFO Receive buffer: 75%
FIFO Transmit buffer: 100%
OP | Post 3 made on Saturday September 30, 2000 at 12:28
Gary Boudreaux
Historic Forum Post
As far as I can tell, there is no need to setup the baud rate, etc on the PC. The program sets those when it opens the port. For instance, when you use the TheaterTouch software to send a configuration at the High speed setting, it starts transferring at 4800 baud and then it bumps it up to 57600 for the remainder of the transfer. In your case, this wouldn't happen properly if your 38400 setting is a "real" maximum.
OP | Post 4 made on Monday October 2, 2000 at 14:21
Abe
Historic Forum Post
Have you other device ussing the same irq or address of the com port?
OP | Post 5 made on Monday October 2, 2000 at 16:40
Gary Boudreaux
Historic Forum Post
Abe,

I don't _think_ I've got any other device on the IRQ/address. Since the RC5000 software is able to send and receive configuration via the same port that I'm using for the TheaterTouch software, it looks like it is a matter of the programs accessing the serial port in different manners.
OP | Post 6 made on Tuesday October 3, 2000 at 13:12
Abe
Historic Forum Post
No, I mean if you have a modem, lan card, etc, using internal irq or address than the port you are using to communicate the t2. (irq3/4 add 3f8/2f8/3e8/2e8).
Some software doesn't support that its irq or address has been shared with other devices or software.
OP | Post 7 made on Wednesday October 4, 2000 at 01:13
Daniel Tonks
Historic Forum Post
Standard serial ports can't share IRQs with anything -- they simply won't work. And ProntoEdit is one of the pickiest programs out there in terms of serial commincations... it only suppose 100% standard configurations.
OP | Post 8 made on Wednesday October 4, 2000 at 09:32
Gary Boudreaux
Historic Forum Post
Thanks for all the suggestions, guys. But nobody has confirmed whether they are able to use the Medium or Low speed setting to transfer configuration.

I would appreciate if someone can check this.

Thanks,
Gary
OP | Post 9 made on Thursday October 5, 2000 at 00:17
Arjen
Historic Forum Post
Gary,

Looks like I can indeed only transfer a config with the "High" setting, both the "Medium" and "Low" give me time-out errors.


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