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Clock Stretching Allowed in I2C?
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starwarslegokid
Moderator
Joined: Wed Jan 31, 2007 3:39 am Posts: 299 Location: San Diego, California. USA
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 Clock Stretching Allowed in I2C?
Hello Everyone,
I have a question, Im helping someone program a custom I2C devise and am having problems reading bytes back from the device using the Test I2C terminal. We can write to the device and it responds correctly, its only when we try to read back that we get a buss error. We know the device is holding the clock line low while it processes information, does anyone know if RobotC allows the slave to hold the clock line low?
Any info would be great, thanks again B-) Scott
_________________Mmmm Legos B-) My Robot Projects: http://www.freewebs.com/robotprojects/
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Tue Jul 21, 2009 5:41 pm |
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mightor
Site Admin
Joined: Wed Mar 05, 2008 8:14 am Posts: 3654 Location: Rotterdam, The Netherlands
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 Re: Clock Stretching Allowed in I2C?
Scott,
I have no experience with clock stretching sensors but I know that quite a lot of drivers/implementations that I've come across have issues with it. It would be useful to have as a feature. Perhaps one of the devs can answer this?
Regards, Xander
_________________| Professional Conduit of Reasonableness| (Title bestowed upon on the 8th day of November, 2013) | My Blog: I'd Rather Be Building Robots| ROBOTC 3rd Party Driver Suite: [ Project Page]
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Wed Jul 22, 2009 1:18 am |
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starwarslegokid
Moderator
Joined: Wed Jan 31, 2007 3:39 am Posts: 299 Location: San Diego, California. USA
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 Re: Clock Stretching Allowed in I2C?
Ill have to pester Dick then  . Scott B-)
_________________Mmmm Legos B-) My Robot Projects: http://www.freewebs.com/robotprojects/
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Wed Jul 22, 2009 2:50 am |
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starwarslegokid
Moderator
Joined: Wed Jan 31, 2007 3:39 am Posts: 299 Location: San Diego, California. USA
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 Re: Clock Stretching Allowed in I2C?
_________________Mmmm Legos B-) My Robot Projects: http://www.freewebs.com/robotprojects/
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Wed Jul 29, 2009 3:09 am |
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