Function mraa_sys::mraa_i2c_read_bytes_data

pub unsafe extern "C" fn mraa_i2c_read_bytes_data(
    dev: mraa_i2c_context, 
    command: u8, 
    data: *mut u8, 
    length: c_int
) -> c_int

Bulk read from i2c context, starting from designated register

@param dev The i2c context @param command The register @param data pointer to the byte array to read data in to @param length max number of bytes to read @return The length in bytes passed to the function or -1