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DPang.2
DPang.2
Associate
May 3, 2022
Question

Is there any (ULD) API for TOF sensor VL53L4CX? If no, can I use the (ULD) API of the VL53L4CD instead? As there is no set distance function in the VL53L4CD API, can I use the one from (ULD) API of the VL53L1X?

  • May 3, 2022
  • 2 replies
  • 890 views

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2 replies

Anne BIGOT
Anne BIGOT
Technical Moderator
May 16, 2022

Hello,

The official rule is you should use the ULD for the L4CD. Some people found anyway that the L1 ULD driver does work. This is not recommended by ST but if you test it, it might work for you.

Neither of the ULD drivers use histograms so they won't range as well as the L4CX. Depending on how far you want to range, it could work.

Anne

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DPang.2
DPang.2Author
Associate
May 17, 2022

Hi Anne,

Thanks for your response. At the very beginning, I tried the L4CD ULD drivers on the L4CX. It works fine except the range is just around 200mm. My application want both short (~200mm) and long distance range (~5000mm). That means I only need functions call that can switch between short and long distacne mode like the one SetDistanceMode() in L1ULD.

Do you think I can just simply create a function passing two sets of parameters to set the SetInterMeasurementInMs(), SetMacroTiming(), SetSigmaThreshold() or SetSignalThreshold()? If so, which registers will affect the distance mode? what are the values for these registers?

Dennis

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