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Code Issues Releases Wiki Activity

added support for Yunmai SE scale

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This commit is contained in:
OliE
2017-10-31 19:05:26 +01:00
parent 896985152a
commit 5556d20cc4
2 changed files with 171 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, MI_SCALE_V2}
public enum BT_DEVICE_ID {CUSTOM_OPENSCALE, MI_SCALE_V1, MI_SCALE_V2, SANITAS_SBF70, MEDISANA_BS444, DIGOO_DGS038H, EXCELVANT_CF369BLE, YUNMAI_MINI, YUNMAI_SE}
protected Context context;
@@ -93,6 +93,8 @@ public abstract class BluetoothCommunication {
return new BluetoothExcelvanCF369BLE(context);
case YUNMAI_MINI:
return new BluetoothYunmaiMini(context);
case YUNMAI_SE:
return new BluetoothYunmaiSE(context);
}
return null;

168
android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothYunmaiSE.java Normal file
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@@ -0,0 +1,168 @@
/* Copyright (C) 2017 olie.xdev <olie.xdev@googlemail.com>
*
* 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 android.content.SharedPreferences;
import android.preference.PreferenceManager;
import com.health.openscale.core.OpenScale;
import com.health.openscale.core.datatypes.ScaleData;
import com.health.openscale.core.datatypes.ScaleUser;
import java.util.Date;
import java.util.Random;
import java.util.UUID;
public class BluetoothYunmaiSE extends BluetoothCommunication {
private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000ffe0-0000-1000-8000-00805f9b34fb");
private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe4-0000-1000-8000-00805f9b34fb");
private final UUID WEIGHT_CMD_SERVICE = UUID.fromString("0000ffe5-0000-1000-8000-00805f9b34fb");
private final UUID WEIGHT_CMD_CHARACTERISTIC = UUID.fromString("0000ffe9-0000-1000-8000-00805f9b34fb");
private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
public BluetoothYunmaiSE(Context context) {
super(context);
}
@Override
public String deviceName() {
return "Yunmai SE";
}
@Override
public String defaultDeviceName() {
return "YUNMAI-ISSE-US";
}
@Override
public boolean checkDeviceName(String btDeviceName) {
if (btDeviceName.startsWith("YUNMAI-ISSE")) {
return true;
}
return false;
}
@Override
boolean nextInitCmd(int stateNr) {
switch (stateNr) {
case 0:
int user_id = getUniqueNumber();
final ScaleUser selectedUser = OpenScale.getInstance(context).getSelectedScaleUser();
byte sex = selectedUser.isMale() ? (byte)0x01 : (byte)0x02;
byte display_unit = selectedUser.scale_unit == 0 ? (byte) 0x01 : (byte) 0x02;
byte[] user_add_or_query = new byte[]{(byte)0x0d, (byte)0x12, (byte)0x10, (byte)0x01, (byte)0x00, (byte) 0x00, (byte) ((user_id & 0xFF00) >> 8), (byte) ((user_id & 0xFF) >> 0), (byte)selectedUser.body_height, (byte)sex, (byte) selectedUser.getAge(), (byte) 0x55, (byte) 0x5a, (byte) 0x00, (byte)0x00, (byte) display_unit, (byte) 0x03, (byte) 0x00 };
user_add_or_query[17] = xor_checksum(user_add_or_query);
writeBytes(WEIGHT_CMD_SERVICE, WEIGHT_CMD_CHARACTERISTIC, user_add_or_query);
break;
case 1:
long unix_time = new Date().getTime() / 1000;
byte[] set_time = new byte[]{(byte)0x0d, (byte) 0x0d, (byte) 0x11, (byte)((unix_time & 0xFF000000) >> 32), (byte)((unix_time & 0xFF0000) >> 16), (byte)((unix_time & 0xFF00) >> 8), (byte)((unix_time & 0xFF) >> 0), (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00};
set_time[12] = xor_checksum(set_time);
writeBytes(WEIGHT_CMD_SERVICE, WEIGHT_CMD_CHARACTERISTIC, set_time);
break;
case 2:
setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
break;
case 3:
byte[] magic_bytes = new byte[]{(byte)0x0d, (byte)0x05, (byte)0x13, (byte)0x00, (byte)0x16};
writeBytes(WEIGHT_CMD_SERVICE, WEIGHT_CMD_CHARACTERISTIC, magic_bytes);
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) {
final byte[] data = gattCharacteristic.getValue();
if (data != null && data.length > 0) {
// if finished weighting?
if (data[3] == 0x02) {
parseBytes(data);
}
}
}
private void parseBytes(byte[] weightBytes) {
long unix_timestamp = ((weightBytes[5] & 0xFF) << 24) | ((weightBytes[6] & 0xFF) << 16) | ((weightBytes[7] & 0xFF) << 8) | (weightBytes[8] & 0xFF);
Date btDate = new Date();
btDate.setTime(unix_timestamp*1000);
float weight = (float) (((weightBytes[13] & 0xFF) << 8) | (weightBytes[14] & 0xFF)) / 100.0f;
ScaleData scaleBtData = new ScaleData();
final ScaleUser selectedUser = OpenScale.getInstance(context).getSelectedScaleUser();
scaleBtData.setConvertedWeight(weight, selectedUser.scale_unit);
scaleBtData.setDateTime(btDate);
addScaleData(scaleBtData);
}
private int getUniqueNumber() {
int uniqueNumber;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
uniqueNumber = prefs.getInt("uniqueNumber", 0x00);
if (uniqueNumber == 0x00) {
Random r = new Random();
uniqueNumber = r.nextInt(65535 - 100 + 1) + 100;
prefs.edit().putInt("uniqueNumber", uniqueNumber).commit();
}
int userId = prefs.getInt("selectedUserId", -1);
return uniqueNumber + userId;
}
private byte xor_checksum(byte[] data) {
byte checksum = 0x00;
for (int i=0; i<data.length-1; i++) {
checksum ^= data[i];
}
return checksum;
}
}