Read Touchpad PB101JG3179-R4

Hi, I'm new here and I want to read touch coordinates from the Touchpad PB101JG3179-R4 which is connected to an Arduino Uno via I2C bus. I already figured out the device address 0x38. The data register 2 seems to deliver the number of points touched (0 to 10). The data registers 3 (MSB) and 4 (LSB) seems to deliver the x coordinate of the first touch point, registers 5 and 6 the y coordinate. Does anybody have information about the remaining registers? Best regards klausgweber

The Touchpad was taken from an Acer Iconia One 10 inch tablet.

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