1 /* 2 * Author: Stefan Andritoiu <stefan.andritoiu@intel.com> 3 * Copyright (c) 2015 Intel Corporation. 4 * 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: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 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. 23 */ 24 25 import java.time.LocalDateTime; 26 27 //NOT TESTED!!! 28 public class TM1637Sample { 29 30 static { 31 try { 32 System.loadLibrary("javaupm_tm1637"); 33 } catch (UnsatisfiedLinkError e) { 34 System.err.println("error in loading native library"); 35 System.exit(-1); 36 } 37 } 38 main(String[] args)39 public static void main(String[] args) throws InterruptedException { 40 // ! [Interesting] 41 // TM1637 on pins 0 (clk) and 1 (dio) 42 upm_tm1637.TM1637 myDisplay = new upm_tm1637.TM1637(0, 1); 43 44 // Start a box using 7-segment encoding 45 myDisplay.write(0x39, 0x09, 0x09); 46 47 // Finish box using writeAt function 48 myDisplay.writeAt(3, ']'); 49 50 // Wait 3 seconds 51 Thread.sleep(3000); 52 53 LocalDateTime now; 54 while (true) { 55 now = LocalDateTime.now(); 56 int hour = now.getHour(); 57 int min = now.getMinute(); 58 int sec = now.getSecond(); 59 60 System.out.println(hour + ":" + min + ":" + sec); 61 myDisplay.writeString(hour + ":" + min); 62 63 Thread.sleep(1000); 64 } 65 // ! [Interesting] 66 } 67 }