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Sep 16, 2008, 02:48 AM
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They just don't get Calif*!!!


HP's (latest) 25,000 mass layoff should get the message across. Jobs which don't have to be done near corporate headquarters can be done in Bangalore, and corporate headquarters are always in Calif*.. We predicted EDS in Dallas would be eliminated & it was. Well, half of them can still move to Bangalore.

Had a successful radio test. 8 hours without a failure.

Time to tabulate the radio settings that work & the radio settings that don't.

Good radio settings:
---------------------------------------
Ground:
115200 bps
40ms beacon interval


Copter:
57600 bps
3.3V - 5V comparator



Failed radio settings:
---------------------------------------
Ground:
115200 bps
21ms beacon interval

Copter:
115200 bps
3.3 - 5V comparator
Copter UART failed.
---------------------------------------
Ground:
57600 bps
40ms beacon interval
Ground XBee failed.

Copter:
57600 bps
3.3 - 5V comparator

Well, 57600 is a draconian reduction in bandwidth but it seems to be required to keep the PIC UART from locking up. The ground station seems to handle 115200. The 3.3V - 5V comparator did nothing. What a disappointment.

The XBee lockup has moved from the UART into the transceiver. Now feels like too many collisions at just the right time may lock it up. Maybe it was designed to wait for ACKs after broadcasting instead of having packets pushed into it.

Even though no-one uses all that mesh networking, their investors keep forcing it on us like Cloud Tech torture instead of doing what really needs to be done.

With enough radio lockup tests, engine cutoff tests, blade tracking, control surface tests, range tests, IMU calibration, & software tests achieved, it was time.
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