You are going to need to ignore everything past number 2 below because
all bets are off when you don't get the firmware straightened out. Its
the little things that build up and get the IOIO off track.
Are you sure the proper procedure is being followed for the firmware
upgrade? I mean this genuinely. It is the simple things that got me and
the subtle details. It took me 3 days to get my first IOIO working (lots
of reading and trial & error mis match firmware etc). My second IOIO the
first thing I did was update the firmware and that took me several tries
with exactly what you are describing. Need to get the IOIO to respond to
show a positive firmware update not the boot loader as in having the
IOIO report it has firmware IOIO0500 independent of the install process.
I feel your pain. It is frustrating.
On 9/21/2014 10:26 AM, AF wrote:
black7 thank you for your comment.
This is really frustrating... what's strange is this:
1. now I am connecting the board to the PC always in A position and
ioiodude can always read the Bootloader version (when in boot mode).
2. however ioiodude cannot read the Application version (when not in
boot mode).
Also there's another thing:
3. when I connect the smartphone to the IOIO (IOIO with external
supply + OTG cable "master side" connected to IOIO's micro-USB port)
it comunicates with the smartphone in both H or A positions!
4. however when I connect the cable "master side" to the micro-USB
port of the smartphone it can feed the IOIO but cannot communicate
with it (in this case IOIO has no external supply)...
I think there is a problem with the IOIO when in Acessory mode and I
don't what it is... it seems to not communicate with both PC and
smartphone in this mode.
I think I tried almost everything. Rebooting PC, installing new
ioio.inf file, writing new app firmware, etc... And everything in
Eclipse is matched by the way because I have another board with v5 app
firmware (ioiodude reads both bootloader and app firmware) and the app
I developed works just fine when the IOIO has no external supply and
the smartphone is host.
Domingo, 21 de Setembro de 2014 15:49:53 UTC+1, [email protected]
escreveu:
Oh Man...Your problems sound just like mine several month ago.
When connect via USB to the PC, the OTG switch needs to be A (auto).
Regarding port number double check everything, and then reboot the
PC, particularly if you have the IDE running like Eclipse. I would
also reload the new firmware.
One other gotcha with the new firmware - be sure everything in the
IDE is matched to the firmware.
When you connect the phone via USB, the OTG needs to be H (host),
if you are connecting BlueTooth dongle switch it to A.
Hope this helps.
On Saturday, September 20, 2014 7:48:58 PM UTC-7, AF wrote:
Hello all IOIO users.
My IOIO-OTG had application firmware version 0300 and was
working fine at first.
Recently I have upgraded its application firmware to version
0500 so I used ioiodude to do it and the operation was
aparently successfull (....... Done.).
However now when I try to connect it to my PC in bootloader
mode the PC recognizes it and shows me the COM port but when
in application mode it simply doesn't recognizes it and gives
me an USB error... Also, the IOIO-OTG doesn't communicate with
my smartphone anymore... But the red light still turns on!
I can read the bootloader firmware version with ioiodude but
not the application firmware because the command line freezes
when I try to do this...
What could be wrong? Is it possible that I fried the IOIO-OTG?
I am thinking of that "H-A" switch because I read somewhere
that we should connect the IOIO-OTG to the PC in "A"
position... and I can't remember if I put it in "H" or "A"
position when I upgraded the application firmware... Can you
tell me what is the problem? Any help would be appreciated.
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