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Code Issues Releases Wiki Activity

initial support for MGB (SWAN) scales

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This commit is contained in:
DreamNik
2017-11-05 14:31:07 +03:00
parent eacdb3d2c5
commit d7c8b6658a
2 changed files with 232 additions and 1 deletions
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4
android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
View File

@@ -38,7 +38,7 @@ public abstract class BluetoothCommunication {
BT_CONNECTION_LOST, BT_NO_DEVICE_FOUND, BT_UNEXPECTED_ERROR, BT_SCALE_MESSAGE
};
public enum BT_MACHINE_STATE {BT_INIT_STATE, BT_CMD_STATE, BT_CLEANUP_STATE}
public enum BT_DEVICE_ID {CUSTOM_OPENSCALE, MI_SCALE_V1, SANITAS_SBF70, MEDISANA_BS444, DIGOO_DGS038H, EXCELVANT_CF369BLE, YUNMAI_MINI}
public enum BT_DEVICE_ID {CUSTOM_OPENSCALE, MI_SCALE_V1, SANITAS_SBF70, MEDISANA_BS444, DIGOO_DGS038H, EXCELVANT_CF369BLE, YUNMAI_MINI,MGB}
protected Context context;
@@ -91,6 +91,8 @@ public abstract class BluetoothCommunication {
return new BluetoothExcelvanCF369BLE(context);
case YUNMAI_MINI:
return new BluetoothYunmaiMini(context);
case MGB:
return new BluetoothMGB(context);
}
return null;

229
android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothMGB.java Normal file
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@@ -0,0 +1,229 @@
/* Copyright (C) 2017 DreamNik <dreamnik@mail.ru>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package com.health.openscale.core.bluetooth;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCharacteristic;
import android.content.Context;
import com.health.openscale.core.OpenScale;
import com.health.openscale.core.datatypes.ScaleData;
import com.health.openscale.core.datatypes.ScaleUser;
import java.util.Calendar;
import java.util.Date;
import java.util.UUID;
public class BluetoothMGB extends BluetoothCommunication {
static final UUID uuid_service = UUID.fromString("0000ffb0-0000-1000-8000-00805f9b34fb");
static final UUID uuid_char_cfg = UUID.fromString("0000ffb1-0000-1000-8000-00805f9b34fb");
static final UUID uuid_char_ctrl = UUID.fromString("0000ffb2-0000-1000-8000-00805f9b34fb");
static final UUID uuid_desc_ctrl = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
private Calendar now;
private ScaleUser user;
private ScaleData measurement;
private byte[] packet_buf;
private int packet_pos;
private int popInt( ){
return packet_buf[packet_pos++] & 0xFF;
}
private float popFloat( ){
int r = popInt();
r = popInt() | (r<<8);
return r * 0.1f;
}
private void writeCfg( int b2 , int b3 , int b4 , int b5 ){
byte[] buf = new byte[8];
buf[0] = (byte)0xAC;
buf[1] = (byte)0x02;
buf[2] = (byte)b2;
buf[3] = (byte)b3;
buf[4] = (byte)b4;
buf[5] = (byte)b5;
buf[6] = (byte)0xCC;
buf[7] = (byte)( ( buf[2] + buf[3] + buf[4] + buf[5] + buf[6] ) & 0xFF );
writeBytes( uuid_service , uuid_char_cfg , buf );
}
public BluetoothMGB( Context context ){
super(context);
}
@Override
public String deviceName() {
return "SWAN";
}
@Override
public String defaultDeviceName() {
return "SWAN";
}
@Override
public boolean checkDeviceName(String btDeviceName) {
if (btDeviceName.startsWith("SWAN")) {
return true;
}
return false;
}
@Override
boolean nextInitCmd(int stateNr) {
switch (stateNr) {
case 0:
setNotificationOn( uuid_service , uuid_char_ctrl , uuid_desc_ctrl );
now = Calendar.getInstance();
user = OpenScale.getInstance(context).getSelectedScaleUser();
break;
case 1:
writeCfg( 0xF7 , 0 , 0 , 0 );
break;
case 2:
writeCfg( 0xFA , 0 , 0 , 0 );
break;
case 3:
writeCfg( 0xFB , (user.isMale() ? 1 : 2) , user.getAge() , user.body_height );
break;
case 4:
writeCfg( 0xFD , now.get( Calendar.YEAR ) - 2000 , now.get( Calendar.MONTH ) - Calendar.JANUARY + 1 , now.get( Calendar.DAY_OF_MONTH ) );
break;
case 5:
writeCfg( 0xFC , now.get( Calendar.HOUR_OF_DAY ) , now.get( Calendar.MINUTE ) , now.get( Calendar.SECOND ) );
break;
case 6:
writeCfg( 0xFE , 6 , 1 , 0 );
break;
default:
return false;
}
return true;
}
@Override
boolean nextBluetoothCmd(int stateNr) {
return false;
}
@Override
boolean nextCleanUpCmd(int stateNr) {
return false;
}
@Override
public void onBluetoothDataChange(BluetoothGatt bluetoothGatt, BluetoothGattCharacteristic gattCharacteristic) {
packet_buf = gattCharacteristic.getValue();
packet_pos = 0;
if( packet_buf == null || packet_buf.length <= 0 ){
return;
}
if( packet_buf.length != 20 ){
return;
}
int hdr_1 = popInt();
int hdr_2 = popInt();
int hdr_3 = popInt();
if( hdr_1 == 0xAC && hdr_2 == 0x02 && hdr_3 == 0xFF ){
measurement = new ScaleData();
popInt(); //unknown =00
popInt(); //unknown =02
popInt(); //unknown =21
popInt(); //Year
popInt(); //Month
popInt(); //Day
popInt(); //Hour
popInt(); //Minute
popInt(); //Second
measurement.setDateTime( new Date() );
measurement.setWeight( popFloat() );
popFloat(); //BMI
measurement.setFat( popFloat() );
popInt(); //unknown =00
popInt(); //unknown =00
}else
if( hdr_1 == 0x01 && hdr_2 == 0x00 ){
measurement.setMuscle( popFloat() );
popFloat(); //BMR
measurement.setBone( popFloat() );
measurement.setWater( popFloat() );
popInt(); // Age
popFloat();// protein rate
popInt(); // unknown =00
popInt(); // unknown =01
popInt(); // unknown =1b
popInt(); // unknown =a5
popInt(); // unknown =02
popInt(); // unknown =47;48;4e;4b;42
addScaleData( measurement );
// Visceral fat?
// Standart weight?
// WeightControl?
// Body fat?
// Muscle weight?
}
}
}