Bernie:
 >> On the Streak, I check for charging and it is flashing between 
'Discharging' and ' Charging from USB'

This means you need to twist the little pot on the IOIO board to 
increase the charging voltage until the streak consistently displays Charging.

Here's a link to the IOIO wiki with more information about the power supply:
<https://github.com/ytai/ioio/wiki/Power-Supply>https://github.com/ytai/ioio/wiki/Power-Supply
 


Rob



At 11:48 PM 11/4/2011, Bernie Baer wrote:
>Dell Streak: Android 2.3.3 (Gingerbread)
>XCSoar: 6.2.1
>
>I built the IOIO box pictured here: 
><https://picasaweb.google.com/baer.bernie/IOIOForCAI302>https://picasaweb.google.com/baer.bernie/IOIOForCAI302
> 
>same as Rob's but powered from CAI 302,
>and when I plug it into my CAI 302 and Dell Streak  I see the red 
>LED on the IOIO board light up so it is getting power correctly. On 
>the Streak, I check for charging and it is flashing between 
>'Discharging' and ' Charging from USB' so that looks good (well, OK) 
>also. The 302 is supposed to output 5 V but I'm measuring 4.5V.
>
>However, there is no GPS connection, and changing MacReady etc does 
>not change anything on the 302. Attempting to download a log file 
>from the 302, XCSoar says not connected.
>So I can run using aircraft battery OK (via the 302 regulator) and 
>internal GPS but running this way will get no flight data from the 302.
>
>It has been suggested that I modify my cable to swap pins 2 & 3 on 
>the DB9. I am using a straight through cable pin2->2 and pin3->3. 
>Looking at the 302 doco it says:
>3 Yellow Data transfer from connected device to 302
>2 Green Data transfer from 302 to connected device
>6, 8 Red +5 volt power from 302 to connected device; fuse-limited to 0.9 Amp
>5 Black Ground for both logic and power
>
>and RS232 info like this: 
><http://pinouts.ws/db9-rs232-pinout.html>http://pinouts.ws/db9-rs232-pinout.html
>
>say Pin 2 RX (Receive data)
>and Pin 3 Tx (Transmit data)
>
>so to me it seems that my current cable should work. The problem 
>appears to be with the RS232 board, not the IOIO board as XCSoar 
>seems to recognise the IOIO board.
>
>Any suggestions are welcome! Also any suggestions as to how I can 
>bench test this setup, as I dont have access to the aircraft 
>readily. If I power the board with an external 12V battery, can I 
>send serial data from an emulator or such to test? I might have to 
>remove the link that connects the RS232 board V+ to pin 8 I guess.
>
>Thanks, Bernie.
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