Subject:
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Re: Text Based Programming for NXT - pbLua is Available
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Newsgroups:
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lugnet.robotics.nxt
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Date:
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Sat, 20 Jan 2007 04:41:25 GMT
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Viewed:
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20721 times
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Tony Buser wrote:
> Here are my notes on what I've been able to accomplish so far in OSX
> on my MacBookPro.
>
> Loading pbLua firmware on nxt running standard firmware:
>
> 1. plugin usb
> 2. rename nxt-lua.bin to nxt-lua.rfw
> 3. open NXT-G, goto Tools -> Update NXT Firmware. Click Browse
> button, select folder that contains nxt-lua.rfw. Click Download
> button. It should eventually say it was successful.
> 4. reboot OSX (this is the only way I can figure out how to get it to
> enumerate the usb device and make pbLua come to life, I was able to do
> it once without rebooting, but was trying so many different things at
> the same time so I don't know what did it and I'm unable to duplicate
> it)
Tony, thanks for the work so far. What happens if, after the firmware
is loaded you do any of the following:
1. Reset the NXT (press reset for less than 1 second)
2. Unplug the USB cable, wait 5 seconds, and plug it back in again
> 5. NXT should stop clicking and screen should now say "pbLua
> 07-01-14-0" (I don't know what the numbers mean)
Here's a hint: If I rebuild the firmware tomorrow, the numbers
will be 07-01-20-0, and if I release another version tomorrow
the numbers will be 07-01-20-1 :-)
> 6. From here, I don't know what to do next. Need to figure out how to
> tell OSX that this device is a serial port. When I unplug usb and
> plug it back in, console says:
>
> AppleUSBCDC: start - initDevice failed
>
> The USB Prober app from the xcode dev tools, gives the following info:
>
> Full Speed device @ 2 (0x3D100000):
> ............................................. Communication device
> from Atmel Corporation
> Device Descriptor
> Descriptor Version Number: 0x0110
> Device Class: 2 (Communication)
> Device Subclass: 0
> Device Protocol: 0
> Device MaxPacketSize: 8
> Device VendorID/ProductID: 0x03EB/0x6125 (Atmel Corporation)
That's good - it's the correct info to this point. Device class 2 should
be a straight up serial port. CDC is communication Device Class I think.
Can anyone help? I'm going to borrow a Mac this weekend to see
what I can figure out...
Cheers, Ralph
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