Paso 2: El código
Esta vez he usado Java. He coloco todo el NetBeans proyecto aquí https://github.com/noelportugal/NFCHalloween
Esta es la clase principal:
package com.noelportugal.halloween.nfc; import com.noelportugal.halloween.hue.HueBridgeLink; import com.noelportugal.halloween.hue.HueBridgeLinkCallback; import com.philips.lighting.hue.sdk.PHHueSDK; import com.philips.lighting.hue.sdk.utilities.PHUtilities; import com.philips.lighting.model.PHBridge; import com.philips.lighting.model.PHLight; import com.philips.lighting.model.PHLightState; import java.util.List; import java.util.Random; public class Main implements HueBridgeLinkCallback { static final byte PN532_MIFARE_ISO14443A = 0x00; static final String defaultColor = "0 0 0"; private Random rand = new Random(); private static PHHueSDK phHueSDK; private static PHBridge bridge; private static PHLightState lightState; private static final int maxBrightness = 254; private static final int minBrightness = 15; // Change to match your NFC tags private static final String[] UIDS = { "36076607291754756", "36358082404879876", "36358082404944388" }; private static final String[] GROUPS = { "AL", // 1 "BM", // 2 "CD", // 3 "E", // 4 "FGHIJK", // 5 }; private static final int[][] GROUP_COLORS = { {0,255,0}, // 1 Green {255,0,0}, // 2 Red {50,0,255}, // 3 Blue {200,255,0}, // 4 Yellow {255,0,255}, // 5 Purlple }; private static final int MAX_HUE = 65535; private int randomColor; public Main(){ // Prepare the Hue Bridge link HueBridgeLink bridgeLink = new HueBridgeLink(); bridgeLink.connect(this); phHueSDK = PHHueSDK.getInstance(); } public void onBridgeReady() { bridge = phHueSDK.getSelectedBridge(); allOff(); } private static float[] rgbGroupColor (int[] groupColors, PHLight light) { return PHUtilities.calculateXYFromRGB(groupColors[0], groupColors[1], groupColors[2], light.getModelNumber()); } private static long getDec(byte[] bytes) { long result = 0; long factor = 1; for (int i = 0; i < bytes.length; ++i) { long value = bytes[i] & 0xffl; result += value * factor; factor *= 256l; } return result; } private void start() throws InterruptedException{ IPN532Interface pn532Interface = new PN532Spi(); PN532 nfc = new PN532(pn532Interface); System.out.println("Starting up..."); nfc.begin(); Thread.sleep(1000); long versiondata = nfc.getFirmwareVersion(); if (versiondata == 0) { System.out.println("Didn't find PN53x board"); return; } System.out.print("Found chip PN5: "); System.out.println(Long.toHexString((versiondata >> 24) & 0xFF)); System.out.print("Firmware versioin: "); System.out.print(Long.toHexString((versiondata >> 16) & 0xFF)); System.out.print('.'); System.out.println(Long.toHexString((versiondata >> 8) & 0xFF)); // configure board to read RFID tags nfc.SAMConfig(); System.out.println("Station ready to Scan"); byte[] buffer = new byte[8]; String winner = UIDS[rand.nextInt(2)]; while (true) { int readLength = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, buffer); if (readLength > 0) { String uid = ""; System.out.print(" UID: "); uid = String.valueOf(getDec(buffer)); System.out.println(uid); try { if (uid.equals(winner)){ Runtime.getRuntime().exec(new String[]{"/usr/bin/mpg321", "-q","/home/pi/Sounds/win1.mp3"}); win(); winner = UIDS[rand.nextInt(2)]; }else{ Runtime.getRuntime().exec(new String[]{"/usr/bin/mpg321", "-q","/home/pi/Sounds/fail.mp3"}); fail(); } // wait for 1 seconds before next scan Thread.sleep(1000); System.out.println("Station ready to Scan"); } catch (Exception ex) { System.err.println(ex.getMessage()); } } // sleep for 200 ms before going back to scan for NFC tag Thread.sleep(200); } } private void allOff(){ lightState = new PHLightState(); lightState.setOn(false); bridge.setLightStateForDefaultGroup(lightState); } private void fail() throws InterruptedException{ lightState = new PHLightState(); lightState.setOn(true); lightState.setHue(65280); bridge.setLightStateForDefaultGroup(lightState); Thread.sleep(2000); allOff(); } private void win(){ System.out.println("Starting Random Light Thread"); PHBridge bridge = phHueSDK.getSelectedBridge(); List<PHLight> allLights = bridge.getResourceCache().getAllLights(); Random rand = new Random(); int i =0; while (i++ < 6) { System.out.println("while loop: " + i); try { PHLightState lightState = new PHLightState(); lightState.setOn(true); randomColor = rand.nextInt(MAX_HUE); lightState.setBrightness(maxBrightness); lightState.setHue(randomColor); bridge.setLightStateForDefaultGroup(lightState); Thread.sleep(1000); } catch (Exception ex) { System.err.println("error:" + ex.getMessage()); } } allOff(); } public static void main(String[] args) throws InterruptedException { System.out.println("Starting Exchange Hue Lights Server"); Main halloween = new Main(); halloween.start(); } }
