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1  Using Arduino / Storage / Re: Arduino as USB Drive on: January 08, 2013, 03:07:41 pm
Yeah, I saw that functionality people built in. I think it's a little easier if it's just a keyboard. But, that's the kind of thing I'm going for.

When I said two ports, I meant two physical ports. The idea being the memory chip is connected to the Arduino which writes to it and a USB port that you can connect to a computer. It'd have to be something like and i2c bus with two hosts. I don't know if that works with spi. I'm hoping that if you connect a computer and it starts talking, the Arduino will just not care what's going on. Might need some diodes or something.
2  Using Arduino / Storage / Re: Arduino as USB Drive on: January 08, 2013, 02:06:01 am
The idea is a consumer product that is also hackable...thus incorporating a full arduino instead of just a pic. I want it to be simple enough for people to use, yet open source enough for people to hack.

If I were to dump data over the serial port, I'd have to write an application for a computer. For example, Suunto watches require a special software app to download data, Garmin GPS units let you just browse to the log file. Suunto is lame, Garmin is user-friendly. I'd rather be in the latter category.

So, I'm looking to log data, plug into the arduino's USB port, see it recognized as a USB drive, and browse to the file. It might not be possible while maintaining the ability to program the Arduino over USB. It might just be easier to have two USB ports.
3  Using Arduino / Storage / Arduino as USB Drive on: January 08, 2013, 12:30:57 am
So, I've got an Arduino logging data to some file on a SD card. Now I want to retrieve it. I'd rather not pull the SD card. I would like to plug in the Arduino to a PC and have it show up as a USB Drive with my log files and all. Is this possible?

I know I can send Data from the file over the serial port. That's not what I want.

Thanks,

Rich
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