/* * Tim Redfern 2011 * * * number view display * decision: decipher in mcu? * ie - need to range quickly based on this? * decide protocol for setting commands * make a couple of buttons and use these to change */ package com.futureproof.adaptics.electic; import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.view.Menu; import android.view.Window; import android.widget.CheckBox; import android.widget.RadioGroup; import android.widget.TextView; import android.widget.Toast; /** * This is the main Activity that displays the current chat session. */ public class Electic extends Activity { // Debugging private static final String TAG = "Electic"; private static final boolean D = true; // Message types sent from the BluetoothChatService Handler public static final int MESSAGE_STATE_CHANGE = 1; public static final int MESSAGE_READ = 2; public static final int MESSAGE_WRITE = 3; public static final int MESSAGE_DEVICE_NAME = 4; public static final int MESSAGE_TOAST = 5; // Key names received from the BluetoothChatService Handler public static final String DEVICE_NAME = "device_name"; public static final String TOAST = "toast"; // Intent request codes private static final int REQUEST_CONNECT_DEVICE = 1; private static final int REQUEST_ENABLE_BT = 2; // Layout Views private TextView mTitle; // Name of the connected device private String mConnectedDeviceName = null; // Local Bluetooth adapter private BluetoothAdapter mBluetoothAdapter = null; // Member object for the chat services private AdapticsBluetooth adapBT = null; //electic UI elements TextView sadcReadout; TextView fadcReadout; TextView sadcReadout1; TextView fadcReadout1; CheckBox PMINbox; CheckBox PMAXbox; CheckBox alarmBox; RadioGroup sampleSpeedGroup; int SAMPLESPEED2 = R.id.rb_2; int SAMPLESPEED05 = R.id.rb_05; int SAMPLESPEED01 = R.id.rb_01; int sampleSpeed = SAMPLESPEED2; short ASIGNbit = (short) Integer.parseInt("10000000", 2); short BSIGNbit = (short) Integer.parseInt("1000000", 2); short PMAXbit = (short) Integer.parseInt("100000", 2); short PMINbit = (short) Integer.parseInt("10000", 2); short ALARMbit = (short) Integer.parseInt("1", 2); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if(D) Log.e(TAG, "+++ ON CREATE +++"); // Set up the window layout requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); setContentView(R.layout.main); getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title); // Set up the custom title mTitle = (TextView) findViewById(R.id.title_left_text); mTitle.setText(R.string.app_name); mTitle = (TextView) findViewById(R.id.title_right_text); // Get local Bluetooth adapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); // If the adapter is null, then Bluetooth is not supported if (mBluetoothAdapter == null) { Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show(); finish(); return; } } @Override public void onStart() { super.onStart(); if(D) Log.e(TAG, "++ ON START ++"); // If BT is not on, request that it be enabled. // setupChat() will then be called during onActivityResult if (!mBluetoothAdapter.isEnabled()) { Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableIntent, REQUEST_ENABLE_BT); // Otherwise, setup the chat session } else { if (adapBT == null) setupUI(); } } @Override public synchronized void onResume() { super.onResume(); if(D) Log.e(TAG, "+ ON RESUME +"); // Performing this check in onResume() covers the case in which BT was // not enabled during onStart(), so we were paused to enable it... // onResume() will be called when ACTION_REQUEST_ENABLE activity returns. if (adapBT != null) { // Only if the state is STATE_NONE, do we know that we haven't started already if (adapBT.getState() == AdapticsBluetooth.STATE_NONE) { // Start the Bluetooth chat services adapBT.start(); } } } private void setupUI() { Log.d(TAG, "setupUI()"); //initialise electic UI elements sadcReadout=(TextView) findViewById(R.id.sadcText); fadcReadout=(TextView) findViewById(R.id.fadcText); sadcReadout1=(TextView) findViewById(R.id.sadcText1); fadcReadout1=(TextView) findViewById(R.id.fadcText1); PMAXbox=(CheckBox) findViewById(R.id.pmaxBox); PMINbox=(CheckBox) findViewById(R.id.pminBox); alarmBox=(CheckBox) findViewById(R.id.alarmBox); sampleSpeedGroup = (RadioGroup) findViewById(R.id.samplespeed_group); sampleSpeedGroup.check(sampleSpeed); sadcReadout.setText("0".toCharArray(), 0, 1); fadcReadout.setText("0".toCharArray(), 0, 1); sadcReadout1.setText("0".toCharArray(), 0, 1); fadcReadout1.setText("0".toCharArray(), 0, 1); PMAXbox.setChecked(false); PMINbox.setChecked(false); alarmBox.setChecked(false); sampleSpeedGroup.setOnCheckedChangeListener( new RadioGroup.OnCheckedChangeListener() { public void onCheckedChanged(RadioGroup group, int checkedId) { setSampleSpeed(checkedId==SAMPLESPEED2?1:checkedId==SAMPLESPEED05?2:3); } }); // Initialize the service to perform bluetooth connections adapBT = new AdapticsBluetooth(this, mHandler); } @Override public synchronized void onPause() { super.onPause(); if(D) Log.e(TAG, "- ON PAUSE -"); } @Override public void onStop() { super.onStop(); if(D) Log.e(TAG, "-- ON STOP --"); } @Override public void onDestroy() { super.onDestroy(); // Stop the Bluetooth chat services if (adapBT != null) adapBT.stop(); if(D) Log.e(TAG, "--- ON DESTROY ---"); } /* private void ensureDiscoverable() { if(D) Log.d(TAG, "ensure discoverable"); if (mBluetoothAdapter.getScanMode() != BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) { Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300); startActivity(discoverableIntent); } } */ // The Handler that gets information back from the BluetoothChatService private final Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case MESSAGE_STATE_CHANGE: if(D) Log.i(TAG, "MESSAGE_STATE_CHANGE: " + msg.arg1); switch (msg.arg1) { case AdapticsBluetooth.STATE_CONNECTED: mTitle.setText(R.string.title_connected_to); mTitle.append(mConnectedDeviceName); break; case AdapticsBluetooth.STATE_CONNECTING: mTitle.setText(R.string.title_connecting); break; // case AdapticsBluetooth.STATE_LISTEN: case AdapticsBluetooth.STATE_NONE: mTitle.setText(R.string.title_not_connected); break; } break; case MESSAGE_READ: byte[] readBuf = (byte[]) msg.obj; // construct a string from the valid bytes in the buffer /* * figure out how to decode data * data has been checked at this point - message constructed * */ long sadc = (ubyte64(readBuf[4]))+(ubyte64(readBuf[3])<<8)+(ubyte64(readBuf[2])<<16)+(ubyte64(readBuf[1])<<24); int fadc = ubyte32(readBuf[6])+(ubyte32(readBuf[5])<<8); //reverse byte order long sadc1=0; for (int i=0;i<18;i++){ sadc1+=((sadc&(((long)0x01)<>i)<<(17-i); } int fadc1=0; for (int i=0;i<10;i++){ fadc1+=((fadc&(((long)0x01)<>i)<<(9-i); } if (((short)readBuf[0]&ASIGNbit)>0) { sadc*=-1; sadc1*=-1; } if (((short)readBuf[0]&BSIGNbit)>0) { fadc*=-1; fadc1*=-1; } short status=(short)readBuf[0]; String sadcS=Float.toString(((float)sadc)/6000.0f); String fadcS=Float.toString(((float)fadc)/600.0f); String sadc1S=Float.toString(((float)sadc1)/6000.0f); String fadc1S=Float.toString(((float)fadc1)/600.0f); sadcReadout.setText(sadcS.toCharArray(), 0, sadcS.length()); fadcReadout.setText(fadcS.toCharArray(), 0, fadcS.length()); sadcReadout1.setText(sadc1S.toCharArray(), 0, sadc1S.length()); fadcReadout1.setText(fadc1S.toCharArray(), 0, fadc1S.length()); PMAXbox.setChecked(((short)readBuf[0]&PMAXbit)>0); PMINbox.setChecked(((short)readBuf[0]&PMINbit)>0); alarmBox.setChecked(((short)readBuf[0]&ALARMbit)>0); Log.i(TAG, "++++RECEIVED: "+readBuf[0]+" "+readBuf[1]+" "+readBuf[2]+" "+readBuf[3]+" "+readBuf[4]+" "+readBuf[5]+" "+readBuf[6]+" AS: "+status+" "+sadc+" "+fadc); //String readMessage = new String(readBuf, 0, msg.arg1); break; case MESSAGE_DEVICE_NAME: // save the connected device's name mConnectedDeviceName = msg.getData().getString(DEVICE_NAME); Toast.makeText(getApplicationContext(), "Connected to " + mConnectedDeviceName, Toast.LENGTH_SHORT).show(); break; case MESSAGE_TOAST: Toast.makeText(getApplicationContext(), msg.getData().getString(TOAST), Toast.LENGTH_SHORT).show(); break; } } }; public void onActivityResult(int requestCode, int resultCode, Intent data) { if(D) Log.d(TAG, "onActivityResult " + resultCode); switch (requestCode) { case REQUEST_CONNECT_DEVICE: // When DeviceListActivity returns with a device to connect if (resultCode == Activity.RESULT_OK) { connectDevice(data); } break; case REQUEST_ENABLE_BT: // When the request to enable Bluetooth returns if (resultCode == Activity.RESULT_OK) { // Bluetooth is now enabled, so set up a chat session setupUI(); } else { // User did not enable Bluetooth or an error occured Log.d(TAG, "BT not enabled"); Toast.makeText(this, R.string.bt_not_enabled_leaving, Toast.LENGTH_SHORT).show(); finish(); } } } private void connectDevice(Intent data) { // Get the device MAC address String address = data.getExtras() .getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS); // Get the BLuetoothDevice object BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address); // Attempt to connect to the device adapBT.connect(device); } @Override public boolean onCreateOptionsMenu(Menu menu) { /* MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.option_menu, menu); return true; */ Intent serverIntent = new Intent(this, DeviceListActivity.class); startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE); return true; } /* @Override public boolean onOptionsItemSelected(MenuItem item) { Intent serverIntent = null; switch (item.getItemId()) { case R.id.connect_scan: // Launch the DeviceListActivity to see devices and do scan serverIntent = new Intent(this, DeviceListActivity.class); startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE); return true; case R.id.insecure_connect_scan: // Launch the DeviceListActivity to see devices and do scan serverIntent = new Intent(this, DeviceListActivity.class); startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE); return true; case R.id.discoverable: // Ensure this device is discoverable by others ensureDiscoverable(); return true; } return false; } */ private void setSampleSpeed(int speedCode) { // Check that we're actually connected before trying anything if (adapBT.getState() != AdapticsBluetooth.STATE_CONNECTED) { Toast.makeText(this, R.string.not_connected, Toast.LENGTH_SHORT).show(); return; } byte[] message=new byte[1]; message[0]=(byte) speedCode; adapBT.write(message); } private int ubyte32(byte b){ int i=(int) b; if (i<0) i+=128; return i; } private long ubyte64(byte b){ long l=(long) b; if (l<0) l+=128; return l; } }