This seems the right place to change. Are you sure you are actually running the firmware that you've modified? How did you install it on the IOIO?
On Wed, Mar 12, 2014 at 8:06 PM, Rich <[email protected]> wrote: > Hello, > > I was wondering, has anyone (users and/or the IOIO inventor) experimented > with modifying the I2C clock rates below and beyond the currently supported > rates (100KHz, 400kHz, 1MHz)? > > I have a device that can only run at 10KHz . . . I updated line 129 in the > i2c.c IOIO firmware source (static const unsigned int brg_values[] = { > 0x063D, 0x25, 0x0D }; //first element updated from 0x9D for 10KHz), > compiled and downloaded the firmware. Using the correct enum RATE value, I > received about 100KHz on my oscilloscope showing the incorrect clock rate > not the new 10KHz. I also built another firmware version updating all of > the brg_values to 0x063D to ensure that the changes were being passed > properly and I confirmed that when I set the TWI rate to 1MHz for instance, > I also receive 100KHz. > > Does the internal clock runs at 32 MHz? Any possible issues with modifying > these values? I don't see anything in the PIC24 datasheet showing that I am > limited to these three clock rates. Can anyone confirm? > > > Thanks for your help and assistance. > > Best, > Rich > > -- > 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.
