USB: Difference between revisions
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[[Category: Serial Communications]] | [[Category: Serial Communications]] | ||
USB to TTL | == USB development == | ||
=== USB Monitoring === | |||
As in sniffing USB traffic. Using a Linux (Ubuntu) host to capture USB traffic. | |||
http://tjworld.net/wiki/Linux/Ubuntu/USBmonitoring | |||
==USB to TTL== | |||
These are basically dedicated microprocessors with the USB stack built in. | |||
'''FTDI''' -- See http://saelig.com/ they are about $5 | |||
'''Silicon Labs CP2102''' - only available in a surface mount package | |||
This is the one I have used; it comes on the breakout board I got for my [[Lassen SQ]] GPS. | |||
Another option is to roll your own using a Microchip PIC processor. They have about a dozen chips with USB support. I have not really investigated this option yet. Seems like a lot more work but if you are already building an embedded controller it would eliminate the separate USB chip. | |||
A USB PIC is around $2.00 so it's cheaper. | |||
Latest revision as of 22:20, 22 July 2013
USB development
USB Monitoring
As in sniffing USB traffic. Using a Linux (Ubuntu) host to capture USB traffic.
http://tjworld.net/wiki/Linux/Ubuntu/USBmonitoring
USB to TTL
These are basically dedicated microprocessors with the USB stack built in.
FTDI -- See http://saelig.com/ they are about $5
Silicon Labs CP2102 - only available in a surface mount package This is the one I have used; it comes on the breakout board I got for my Lassen SQ GPS.
Another option is to roll your own using a Microchip PIC processor. They have about a dozen chips with USB support. I have not really investigated this option yet. Seems like a lot more work but if you are already building an embedded controller it would eliminate the separate USB chip.
A USB PIC is around $2.00 so it's cheaper.
