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Code Issues Releases Wiki Activity

Use real values in scale set up #352

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This commit is contained in:
Erik Johansson
2018-11-20 13:49:44 +01:00
parent 451e5a16f4
commit 38e91f94f9
1 changed files with 48 additions and 17 deletions
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65
android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothInlife.java
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@@ -34,6 +34,23 @@ public class BluetoothInlife extends BluetoothCommunication {
private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = BluetoothGattUuid.fromShortCode(0xfff1);
private final UUID WEIGHT_CMD_CHARACTERISTIC = BluetoothGattUuid.fromShortCode(0xfff2);
private final byte START_BYTE = 0x02;
private final byte END_BYTE = (byte)0xaa;
private int getActivityLevel(ScaleUser scaleUser) {
switch (scaleUser.getActivityLevel()) {
case SEDENTARY:
case MILD:
break;
case MODERATE:
case HEAVY:
return 1;
case EXTREME:
return 2;
}
return 0;
}
public BluetoothInlife(Context context) {
super(context);
}
@@ -51,14 +68,15 @@ public class BluetoothInlife extends BluetoothCommunication {
BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
break;
case 1:
byte level = 1;
byte sex = 0; // Male, 1 = female
byte userId = 0;
byte age = 30;
byte height = (byte)156;
byte[] data = {(byte)0x02, (byte)0xd2, level, sex, userId, age, height,
0, 0, 0, 0, 0, 0, (byte)0xaa};
data[data.length - 2] = xorChecksum(data, 1, 6);
ScaleUser scaleUser = OpenScale.getInstance().getSelectedScaleUser();
byte level = (byte)(getActivityLevel(scaleUser) + 1);
byte sex = (byte)scaleUser.getGender().toInt();
byte userId = (byte)scaleUser.getId();
byte age = (byte)scaleUser.getAge();
byte height = (byte)scaleUser.getBodyHeight();
byte[] data = {START_BYTE, (byte)0xd2, level, sex, userId, age, height,
0, 0, 0, 0, 0, 0, END_BYTE};
data[data.length - 2] = xorChecksum(data, 1, data.length - 3);
writeBytes(WEIGHT_SERVICE, WEIGHT_CMD_CHARACTERISTIC, data);
break;
@@ -87,29 +105,38 @@ public class BluetoothInlife extends BluetoothCommunication {
return;
}
if (data[0] != (byte)0x02 || data[data.length - 1] != (byte)0xaa) {
if (data[0] != START_BYTE || data[data.length - 1] != END_BYTE) {
Timber.d("Wrong start or end byte");
return;
}
if (data[1] != (byte)0xdd) {
Timber.d("Measurement not done yet");
if (xorChecksum(data, 1, data.length - 2) != 0) {
Timber.d("Invalid checksum");
return;
}
float weight = Converters.fromUnsignedInt16Be(data, 2) / 10.0f;
if (data[1] == (byte)0xd8) {
Timber.d("Current weight %.2f kg", weight);
return;
}
if (data[1] != (byte)0xdd) {
Timber.d("Unknown command 0x%02x", data[1]);
return;
}
float lbm = Converters.fromUnsignedInt24Be(data, 4) / 1000.0f;
final ScaleUser selectedUser = OpenScale.getInstance().getSelectedScaleUser();
switch (selectedUser.getActivityLevel()) {
case SEDENTARY:
case MILD:
switch (getActivityLevel(selectedUser)) {
case 0:
break;
case MODERATE:
case 1:
lbm *= 1.0427f;
break;
case HEAVY:
case EXTREME:
case 2:
lbm *= 1.0958f;
break;
}
@@ -128,5 +155,9 @@ public class BluetoothInlife extends BluetoothCommunication {
measurement.setBone(bone);
addScaleData(measurement);
byte[] done = {START_BYTE, (byte)0xd4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, END_BYTE};
done[done.length - 2] = xorChecksum(done, 1, done.length - 3);
writeBytes(WEIGHT_SERVICE, WEIGHT_CMD_CHARACTERISTIC, done);
}
}