Java tutorial
/* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package com.physicaroid.pocketduino.cordova; import java.util.HashMap; import java.util.Iterator; import java.io.IOException; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.util.Log; import android.hardware.usb.UsbDevice; import android.hardware.usb.UsbManager; import org.apache.cordova.CordovaWebView; import org.apache.cordova.CallbackContext; import org.apache.cordova.CordovaPlugin; import org.apache.cordova.PluginResult; import org.apache.cordova.CordovaInterface; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import com.physicaloid.lib.Boards; import com.physicaloid.lib.Physicaloid; import com.physicaloid.lib.Physicaloid.UploadCallBack; import com.physicaloid.lib.usb.driver.uart.ReadLisener; public class PocketDuino extends CordovaPlugin { private static final String POCKETDUINO = "PocketDuino Plugin"; private static final String HANDLER_PREFIX = "pocketduino"; private UsbManager mUsbManager; BroadcastReceiver mUsbReceiver; CallbackContext usbCallbackContext; CallbackContext dataCallbackContext; Physicaloid mPhysicaloid; /** * Constructor. */ public PocketDuino() { this.mUsbManager = null; this.mUsbReceiver = null; this.usbCallbackContext = null; this.dataCallbackContext = null; this.mPhysicaloid = null; } /** * Sets the context of the Command. This can then be used to do things like * get file paths associated with the Activity. * * @param cordova The context of the main Activity. * @param webView The CordovaWebView Cordova is running in. */ public void initialize(CordovaInterface cordova, CordovaWebView webView) { super.initialize(cordova, webView); // initialize Physicaloid this.mPhysicaloid = new Physicaloid(cordova.getActivity().getApplicationContext()); } /** * Executes the request and returns PluginResult. * * @param action The action to execute. * @param args JSONArry of arguments for the plugin. * @param callbackId The callback id used when calling back into JavaScript. * @return A PluginResult object with a status and message. */ public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException { if (action.equals("setInfo")) { try { showToast(callbackContext, cordova.getActivity(), args); return true; // exec()?true???? successCallback??errorCallback?????? } catch (Exception e) { Log.e(POCKETDUINO, "Exception: " + e.getMessage()); callbackContext.error(e.getMessage()); } } else if (action.equals("setCallback")) { setCallbackTest(callbackContext); return true; // exec()?true???? successCallback??errorCallback?????? } else if (action.equals("listenDevice")) { listenUsbDevice(callbackContext); return true; // exec()?true???? successCallback??errorCallback?????? } else if (action.equals("loadHexFile")) { uploadHexFile(callbackContext, args); return true; // exec()?true???? successCallback??errorCallback?????? } else if (action.equals("startReceive")) { listenData(callbackContext); return true; // exec()?true???? successCallback??errorCallback?????? } else if (action.equals("openDevice")) { openDevice(callbackContext); return true; // exec()?true???? successCallback??errorCallback?????? } else if (action.equals("closeDevice")) { closeDevice(callbackContext); return true; // exec()?true???? successCallback??errorCallback?????? } else if (action.equals("write")) { writeSerial(callbackContext, args); return true; // exec()?true???? successCallback??errorCallback?????? } else { PluginResult dataResult = new PluginResult(PluginResult.Status.INVALID_ACTION, "Invalid Action"); callbackContext.sendPluginResult(dataResult); } return false; } private void showToast(CallbackContext callbackContext, Activity activity, JSONArray args) { try { android.widget.Toast.makeText(activity, args.getString(0), 5000).show(); callbackContext.success(); } catch (Exception e) { Log.e(POCKETDUINO, "Exception: " + e.getMessage()); callbackContext.error(e.toString()); } } private void setCallbackTest(CallbackContext callbackContext) { try { String json = "{\"message\": \"conntected\"}"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.OK, parameter); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } catch (JSONException e) { Log.e(POCKETDUINO, "Exception: " + e.getMessage()); callbackContext.error(e.toString()); } } /** * USB??? */ private void listenUsbDevice(CallbackContext callbackContext) { IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED); intentFilter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED); this.usbCallbackContext = callbackContext; if (this.mUsbReceiver == null) { this.mUsbReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String handlerName = null; String action = intent.getAction(); if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) { // plugin result of USB attached handlerName = HANDLER_PREFIX + "." + "attached"; } if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) { // plugin result of USB detached handlerName = HANDLER_PREFIX + "." + "detached"; } try { String json = "{\"handlerName\":" + handlerName + " }"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.OK, parameter); dataResult.setKeepCallback(true); usbCallbackContext.sendPluginResult(dataResult); } catch (JSONException e) { Log.e(POCKETDUINO, "Exception: " + e.getMessage()); usbCallbackContext.error(e.toString()); } } }; webView.getContext().registerReceiver(this.mUsbReceiver, intentFilter); } } /** * PocketDuino?? */ private void openDevice(CallbackContext callbackContext) { try { if (this.mPhysicaloid.open()) { // ??????upload???????? PluginResult dataResult = new PluginResult(PluginResult.Status.OK); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } else { PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } } catch (RuntimeException e) { PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } } /** * PocketDuino?? */ private void closeDevice(CallbackContext callbackContext) { try { if (this.mPhysicaloid.close()) { PluginResult dataResult = new PluginResult(PluginResult.Status.OK); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } else { PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } } catch (RuntimeException e) { PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } } /** * */ private void writeSerial(CallbackContext callbackContext, JSONArray args) { try { String command = args.getString(0); byte[] buf = command.getBytes(); Log.d(POCKETDUINO, command); this.mPhysicaloid.write(buf, buf.length); PluginResult dataResult = new PluginResult(PluginResult.Status.OK); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } catch (Exception e) { try { String json = "{\"message\":" + e.toString() + " }"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR, parameter); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); String hoge; } catch (Exception ex) { Log.e(POCKETDUINO, ex.toString()); } } } /** * hex? */ private void uploadHexFile(CallbackContext callbackContext, JSONArray args) { try { String fileName = args.getString(0); Log.d(POCKETDUINO, "!!!--- " + fileName + " ---!!!"); // upload()?3? callback ????????? // ??????????????? mPhysicaloid.upload(Boards.POCKETDUINO, cordova.getActivity().getResources().getAssets().open(fileName), null); PluginResult dataResult = new PluginResult(PluginResult.Status.OK); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } catch (RuntimeException e) { try { String json = "{\"message\":" + e.toString() + " }"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR, parameter); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } catch (JSONException exc) { Log.e(POCKETDUINO, exc.toString()); } } catch (IOException e) { try { String json = "{\"message\":" + e.toString() + " }"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR, parameter); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } catch (JSONException exc) { Log.e(POCKETDUINO, exc.toString()); } } catch (JSONException e) { try { String json = "{\"message\":" + e.toString() + " }"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR, parameter); dataResult.setKeepCallback(true); callbackContext.sendPluginResult(dataResult); } catch (JSONException exc) { Log.e(POCKETDUINO, exc.toString()); } } } private void listenData(CallbackContext callbackContext) { this.dataCallbackContext = callbackContext; if (mPhysicaloid.isOpened()) { mPhysicaloid.addReadListener(new ReadLisener() { // callback when reading one or more size buffer @Override public void onRead(int size) { byte[] buf = new byte[size]; int readSize = mPhysicaloid.read(buf, size); //Log.d(POCKETDUINO, String.format("%02d ", size)); if (readSize > 2) { try { String hexString = bytesToHex(buf); String handlerName = "pocketduino.receive"; String json = "{\"handlerName\":" + handlerName + ", \"data\":" + hexString + " }"; //String json = "{\"handlerName\":" + handlerName + " }"; JSONObject parameter = new JSONObject(json); PluginResult dataResult = new PluginResult(PluginResult.Status.OK, parameter); dataResult.setKeepCallback(true); dataCallbackContext.sendPluginResult(dataResult); } catch (JSONException e) { Log.e(POCKETDUINO, "Exception: " + e.getMessage()); dataCallbackContext.error(e.toString()); } } } }); } else { PluginResult dataResult = new PluginResult(PluginResult.Status.ERROR); dataResult.setKeepCallback(true); this.dataCallbackContext.sendPluginResult(dataResult); this.dataCallbackContext = null; } } // USB Manager // ?????????? - ?????? private void getDeviceName(CallbackContext callbackContext) { Activity activity = cordova.getActivity(); UsbManager mUsbManager = (UsbManager) activity.getSystemService(Context.USB_SERVICE); HashMap<String, UsbDevice> map = mUsbManager.getDeviceList(); Iterator<UsbDevice> it = map.values().iterator(); while (it.hasNext()) { UsbDevice device = it.next(); // use device info Log.v(POCKETDUINO, "!!!--- USB Device Name ---!!!"); Log.v(POCKETDUINO, device.getDeviceName()); Log.v(POCKETDUINO, "!!!--- USB Device Product ID ---!!!"); Log.v(POCKETDUINO, Integer.toString(device.getProductId())); Log.v(POCKETDUINO, "!!!--- USB Device Vendor ID ---!!!"); Log.v(POCKETDUINO, Integer.toString(device.getVendorId())); Log.v(POCKETDUINO, "!!!--- USB Device Hash Code ---!!!"); Log.v(POCKETDUINO, Integer.toString(device.hashCode())); } } // Buffer16??? protected final static char[] hexArray = "0123456789ABCDEF".toCharArray(); public static String bytesToHex(byte[] bytes) { char[] hexChars = new char[bytes.length * 2]; for (int j = 0; j < bytes.length; j++) { int v = bytes[j] & 0xFF; hexChars[j * 2] = hexArray[v >>> 4]; hexChars[j * 2 + 1] = hexArray[v & 0x0F]; } return new String(hexChars); } public void onDestroy() { removeReceiver(); } public void onReset() { removeReceiver(); } private void removeReceiver() { if (this.mUsbReceiver != null) { try { webView.getContext().unregisterReceiver(this.mUsbReceiver); this.mUsbReceiver = null; } catch (Exception e) { Log.e(POCKETDUINO, e.getMessage()); } } } }