2 * Author: Alexander Komarov <alexander.komarov@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 System.loadLibrary("mraajava");
29 } catch (UnsatisfiedLinkError e) {
31 "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
36 public static void main(String argv[]) {
38 System.out.println(mraa.mraa.getVersion());
40 // helper function to go from hex val to dec
41 // function char(x) { return parseInt(x, 16); }
43 mraa.I2c i2c = new mraa.I2c(0);
44 i2c.address((byte)0x77);
45 i2c.writeByte((byte)0xd0);
47 SWIGTYPE_p_unsigned_char data0 = new SWIGTYPE_p_unsigned_char();*/
48 byte[] data = new byte[1];
50 System.out.println((new Integer(data[0])).toString());
52 i2c.writeReg((byte)0xf4, (byte)0x2e);
54 if (i2c.readReg((byte)0xd0) != 0x55) {
55 System.out.println("error");
58 // we want to read temperature so write 0x2e into control reg
59 i2c.writeReg((byte)0xf4, (byte)0x2e);
61 // read a 16bit reg, obviously it's uncalibrated so mostly a useless value
63 System.out.println(i2c.readWordReg((byte)0xf6));
65 byte[] buf = new byte[2];
70 i2c.writeByte((byte)0xf6);
71 int d = i2c.readReg((byte)2);
72 System.out.println((new Integer(d)).toString());