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Author Topic: Opel TID Display  (Read 22747 times)
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like Gillan sings in that Deep Purple song... " it's not the kill, It's the thrill of the chase"  smiley


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I'm not that experienced in programming so i would appreciate any suggestions for improvements or other features.
I'm not one either, but first i would try splitting your sketch in two separate sketches, one for RPM, the other for SPEED. Run the two independently and see if at least one has a decent update speed. Also increase the speed parameter in the MyTid.display_message calls
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Thanks Giovanni83 for the library!
glad you find it useful  smiley
« Last Edit: June 19, 2014, 05:12:29 pm by Giovanni83 » Logged

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I'm not one either, but first i would try splitting your sketch in two separate sketches, one for RPM, the other for SPEED. Run the two independently and see if at least one has a decent update speed. Also increase the speed parameter in the MyTid.display_message calls

Thanks for the reply, i will try that.
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Hi

If i connect arduino to SDA,SCL,MRQ lines and leave OEM radio also connected, will be there a some kind of "collision" ?
I know this protocol is similar to I2C so it should work, but i want to be sure that it won't break anything

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Hi

If i connect arduino to SDA,SCL,MRQ lines and leave OEM radio also connected, will be there a some kind of "collision" ?
I know this protocol is similar to I2C so it should work, but i want to be sure that it won't break anything



never really tried... i don't think you can break anything, but there will be probably some kind of collision between messages coming from the radio and the ones coming from arduino
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As I had some major problems with the engine on my Corsa I had no time to try other methods regarding my TID.
I am still at the point, where I can´t send any data to the TID flawlessly.

Still didn´t try the previous versions of the library, as suggested here, although the latest library shuld be TID8 compatible, so I don´t see the problem there?

I would be happy to get a stable connection, as I am unable to go futher if this simple step fails.

So the problems are:

  • Unstable connection, If I let count a counter up per second, it leaves some numbers out. "Freezes" randomly or the number disappear completely for a short time.
  • "New Minute Problem" - The display clears itself at the beginning of a new minute of the TID´s own clock
 

Any help would be highly appreciated.
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Any support on this topic?

I would really like to get it working.
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"New Minute Problem" - The display clears itself at the beginning of a new minute of the TID´s own clock

this happens becouse you "didn't turn off" the clock
normally when you turn on the radio it turns of the clock, radio is the onlly device controlling tid
it works this way:
-radio puts +12v (or +5v don't remember)   on antenna pin ( pin 5 in iso ?? don't remember)
-tid stops displaying clock

your second problem could appear becouse of first, try to fix this and share results

@Giovanni83 thanks i'll try that
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