Is there any way to get an overview of the 16x16 (time-integrated) SPAD array signals? I would like to see how the VCSEL spot looks on the SPAD matrix. Clearly, this information must be present on the chip itself, as it knows about its optical center. However, is it also possible to access this data via I2C somehow?
Anne is correct in that it's not possible. But it leaves you wondering why. Turns out the photon data is coming in at something like 20 million photons per second. And we need to aggregate all that information, make a decision and get that decision back to the MCU in pretty short order. So we lose the data you want at the hardware level.
The sensor can decide which SPADs are on - but that happens before the collect. The Dynamic SPAD Selection is based on how many photons were received last collect.
And we know about the optical sensor due to some really careful factory calibration. It's not real-time data.
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