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PCA8885 example code to set up and read

Question asked by Paul Buckman on Sep 21, 2018
Latest reply on Sep 25, 2018 by Paul Buckman

I am new to Touch sensors and I2C comms. I have PCA8885 and the Port Extender PCA9535. This is part of a University course.

Is there example code that I can see that shows me how to communicate with these devices to set them up for use and then to read the SENS register. One device has an address of 0x20 thats fine, but does the registers have an address or an offset???? The Datasheet is not clear on that.

 

Thanks and regards

Paul

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