Javelin Video Switch

esayer1

Does anyone know if it's possible to make a javelin chip listen for info on serial port, and when it gets it change the input to a tv to a certain device? For example, if I have a cable tv connection, and two computers which I also want to use with the tv for a monitor, could I plug all the inputs into input ports on the javelin's board (with converters and whatever is nescessary), and then make the javelin chip connect the output (tv, also plugged into the javelin board's port) to the right input when told to do so from the serial line? I can program fairly well in java, I just don't know how to go about this with the javelin so any help is appreciated. If you're thinking "just go get a video switch", I would, but I want to be able to change it remotely (don't ask why) and I like making homemade electronics. If this makes no sense, sorry. Thanks.

Peter Verkaik

go here

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1103/ln/en

and here

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3953

and I am sure Maxim has more videoswitch ic's, some use I2C.



regards peter

esayer1

Can I program that I2C to do what I want with the stamp.peripheral.io.I2C class? Does the I2C device just come with a manual that tells me what commands I have to send it to make it operate, so I can tell the I2C what to do with the write() method? Thanks in advance for any assistance.

Jon Williams

You can probably do it with the information provided above, just be aware that video switching from different sources that don't go through a TBC (time base corretor) will probably result in a "glitch" or roll at the switch point -- it won't be clean as with a proper video switcher.

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Jon Williams
Applications Engineer, Parallax
Dallas Office

Peter Verkaik

The MAX456 I listed (first url in my post) uses serial I/O

so that one can be controlled with the Uart class.

regards peter