Read a specified number of bytes from a register of an i2cdev object using optional precision for bytesize.
dev - connected i2c device opened using device
reg - registry value number
numbytes - number of bytes to read.
precision - Optional precision for the output data read data. Currently known precision values are uint8 (default), int8, uint16, int16
data - data read from device.
See also: arduino, device.
Package: arduino