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 03:39:30 GMT
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Viewed:
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14489 times
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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)
5. NXT should stop clicking and screen should now say "pbLua
07-01-14-0" (I don't know what the numbers mean)
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)
Device Version Number: 0x0110
Number of Configurations: 1
Manufacturer String: 0 (none)
Product String: 0 (none)
Serial Number String: 0 (none)
Configuration Descriptor
Length (and contents): 67
Raw Descriptor (hex) 0000: 09 02 43 00 02 01 00 C0 00
09 04 00 00 01 02 02
Raw Descriptor (hex) 0010: 00 00 05 24 00 10 01 04 24
02 00 05 24 06 00 01
Raw Descriptor (hex) 0020: 05 24 01 00 01 07 05 83 03
08 00 FF 09 04 01 00
Raw Descriptor (hex) 0030: 02 0A 00 00 00 07 05 01 02
40 00 00 07 05 82 02
Raw Descriptor (hex) 0040: 40 00 00
Number of Interfaces: 2
Configuration Value: 1
Attributes: 0xC0 (self-powered)
MaxPower: 0 ma
Interface #0 - Communications-Control
Alternate Setting 0
Number of Endpoints 1
Interface Class: 2 (Communications-Control)
Interface Subclass; 2
Interface Protocol: 0
Comm Class Header Functional Descriptor
Raw Descriptor (hex) 0000: 05 24 00 10 01
Comm Class Abstract Control Management Functional Descriptor
Raw Descriptor (hex) 0000: 04 24 02 00
Comm Class Union Functional Descriptor
Raw Descriptor (hex) 0000: 05 24 06 00 01
Comm Class Call Management Functional Descriptor
Raw Descriptor (hex) 0000: 05 24 01 00 01
Endpoint 0x83 - Interrupt Input
Address: 0x83 (IN)
Attributes: 0x03 (Interrupt no synchronization data endpoint)
Max Packet Size: 8
Polling Interval: 255 ms
Interface #1 - Communications-Data/Unknown Comm Class Model
Alternate Setting 0
Number of Endpoints 2
Interface Class: 10 (Communications-Data)
Interface Subclass; 0 (Unknown Comm Class Model)
Interface Protocol: 0
Endpoint 0x01 - Bulk Output
Address: 0x01 (OUT)
Attributes: 0x02 (Bulk no synchronization data endpoint)
Max Packet Size: 64
Polling Interval: 0 ms
Endpoint 0x82 - Bulk Input
Address: 0x82 (IN)
Attributes: 0x02 (Bulk no synchronization data endpoint)
Max Packet Size: 64
Polling Interval: 0 ms
Loading standard firmware back on nxt running pbLua:
1. plugin usb
2. hold down reset button (in hole under usb port, use paper clip) for
5 seconds, screen should be blank and be making a faint clicking sound
3. open NXT-G, goto Tools -> Update NXT Firmware. Select LEGO
Mindstorms NXT firmware, click Download button
4. NXT Should reboot into standard firmware
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