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Christian Mock wrote:
> Hi,
> has anybody successfully tried to read ports from I2C connected PCF8574 with
> pbLua (Beta-8) ?
> Writing and setting ports is no problem, but reading ports fails. The return
> value is every times 0 (not NIL)
No ideas yet, Christian. I do have a Mindsensors kit here to look
at over the weekend. Are you SURE you are sending the correct string
to read the registers?
Can you post the code you're using for the test here?
Cheers, Ralph
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Message has 1 Reply:
 | | Re: pbLua PCF8574
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| (...) Hi Ralph, we are using this code: collectgarbage( "setpause", 110 ); function setupI2C(port) nxt.InputSetType(port,2) nxt.InputSetDir(port,1,1) nxt.InputSetState(port,1,1) nxt.I2CTimer(3) nxt.I2CInitPins(port) end function ReadPCF(port) (...) (18 years ago, 19-May-07, to lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
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Message is in Reply To:
| | pbLua PCF8574
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| Hi, has anybody successfully tried to read ports from I2C connected PCF8574 with pbLua (Beta-8) ? Writing and setting ports is no problem, but reading ports fails. The return value is every times 0 (not NIL) Any idea ? Thanks in advance Bye (...) (18 years ago, 18-May-07, to lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
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