/*
* Author: Alexander Komarov <alexander.komarov@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
public class Bmp85 {
static {
try {
System.loadLibrary("mraajava");
} catch (UnsatisfiedLinkError e) {
System.err.println(
"Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
e);
System.exit(1);
}
}
public static void main(String argv[]) {
mraa.mraa.init();
System.out.println(mraa.mraa.getVersion());
// helper function to go from hex val to dec
// function char(x) { return parseInt(x, 16); }
mraa.I2c i2c = new mraa.I2c(0);
i2c.address((byte)0x77);
i2c.writeByte((byte)0xd0);
/*
SWIGTYPE_p_unsigned_char data0 = new SWIGTYPE_p_unsigned_char();*/
byte[] data = new byte[1];
i2c.read(data);
System.out.println((new Integer(data[0])).toString());
i2c.writeReg((byte)0xf4, (byte)0x2e);
// initialise device
if (i2c.readReg((byte)0xd0) != 0x55) {
System.out.println("error");
}
// we want to read temperature so write 0x2e into control reg
i2c.writeReg((byte)0xf4, (byte)0x2e);
// read a 16bit reg, obviously it's uncalibrated so mostly a useless value
// :)
System.out.println(i2c.readWordReg((byte)0xf6));
byte[] buf = new byte[2];
buf[0] = (byte)0xf4;
buf[1] = (byte)0x2e;
i2c.write(buf);
i2c.writeByte((byte)0xf6);
int d = i2c.readReg((byte)2);
System.out.println((new Integer(d)).toString());
};
}
;