Are these SeeedStudio boards? Also, is the host mode switch in the A position? If yes, try a different USB cable. Seems to me the the IOIO doesn't realize it should be operating in device mode. On Sep 12, 2014 2:00 AM, <[email protected]> wrote:
> I am still not convicted whether this upgrade process really works. > I connect the board to PC with bootloader pin connected. When it is > disconnected the PC (Win7) immediately detects the device. I can check the > bootloader version (IOIO0400) using IOIODude. So the bootloader works and > is not damaged. > I then write the firmware using IOIODude --port=COM20 --force write > App-IOIO0500.ioioapp this seems to work ok. I then disconnect and reconnect > the IOIO without bootloader pin connected (to find out what version of > firmware I have), but the PC cannot connect to device anymore ! (to test > HelloIOIOConsole). And of course Android cannot connect to the IOIO. The > same is true, if I write the original V3 firmware back. PC and Android > cannot connect to it. > Are those *.ioioapp files damaged ? They are downloaded from IOIO download > site. > > I have two new IOIO V3 boards (I wish that they would have come V5 > installed !) that are working with Android, I cannot take the risk of > upgrading them, before being absolutely sure that the new firmware works. > It takes two weeks (and costs money) to get new IOIO boards from China. > > tiistai, 9. syyskuuta 2014 22.48.11 UTC+3 Ytai kirjoitti: >> >> The firmware upgrade process cannot cause any electrical damage, nor can >> it cause the bootloader to go bad. >> I would start by upgrading the IOIO firmware to the latest version and >> convince yourself that it works OK by running it against HelloIOIOConsole >> running on a PC. >> If your VREG is indeed fried, your 5V bypass should solve the problem. >> Please use a voltmeter to verify that you indeed have 5V on the 5V rail >> with / without the Android connected. >> >> >> -- > You received this message because you are subscribed to the Google Groups > "ioio-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/ioio-users. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
