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How to handle ADT7302 from the user space C application? I'm currently developing the SPI application for Linux to read the temp. reading

Currently myself working with ADT7302 SPI sensor for monitoring temperature.


For that I have connect the sensor to Galileo board or Minnowboard MAX which are running Linux OS.

I'm not getting any kind of reading from the MISO line instead I got 0xFF always.


Now my question is how can I access through standard SPI ioctl syscall and SPI_IOC_MESSAGE macro.

Is the ADT7302 is partially read only sensor ? because from the data sheet I don't understand the how the sensor is perform communication to master. there are no any internal register like control register are provided at all.


I didn't found any kind of documents or code from the Google. So I think you are the only one person to giving me an answer because after all you were develop the driver for the same.

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