BUG: Bluetooth Serial port connection disables power button and screen toggle system features
From: Adam Z Lein (AdamZ_at_pocketnow.com)
Date: 12/07/04
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Date: Tue, 7 Dec 2004 10:35:49 -0500
On my imate Pocket PC Phone 2003 (HTC Himalaya, XDA II, MDA II, etc) after
installing imate ROM 1.72, there is a really anoying bug in the Bluetooth
implementation when the Media Player's screen toggle and even the suspend
button will not work while connected to a Bluetooth GPS receiver through a
serial COM port.
To reproduce the bug...
1. Install ROM 1.72
2. In Bluetooth Settings turn on both incoming and outgoing COM ports.
3. Pair with any Bluetooth GPS receiver (I've tried two)
4. Launch GPS software and connect to GPS receiver. (I've tried CoPilot Live
Pocket PC 5, iGuidance v2, Mapopolis 4, and Oncourse Navigator/Navigon 4)
5. Switch to Windows Media Player 9
6. Assign "Screen Toggle" function to a hardware button using
Tools>Settings>Buttons
7. Press the hardware button to shut off the screen
Result: Screen shuts off and then turns right back on. Pressing a second
time does nothing. Pressing a third time turns the screen off, but then it
comes right back on again.
8. Press the power/suspend hardware button.
Result: Pocket PC shuts off and then comes right back on.
This does NOT happen on Windows Mobile 2003 Phone Edition ROM 1.60 (or
older) for HTC Himalaya devices. I think the older ROMs use a virtual COM
port instead or none at all.
Anyway, it's really annoying to not be able to shut the screen off when I
need to. I like to listen to GPS navigation voice prompts while riding a
bicycle or motorcycle, and this bug where the screen keeps coming on greatly
reduces battery life and can cause unintended screen taps while the PDA is
pocket-bound.
Can anyone else reproduce this bug? Is it present in any other Pocket PCs?
Is it present in Windows Mobile 2003 Second Edition Phone Edition (PDA2K?
Imate JAM?)
-- Adam Z Lein ------ Contributing Editor pocketnow.com -- it's all about portability... http://www.pocketnow.com
- Next message: Adam Herscher: "PPC as Bluetooth GPRS modem"
- Previous message: Andy Clapham: "Re: Chinese display issue"
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