mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-09-07 23:16:09 +02:00
156 lines
4.7 KiB
Java
156 lines
4.7 KiB
Java
/* Copyright (C) 2015-2024 Andreas Shimokawa, Carsten Pfeiffer, Sergey
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Trofimov
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.service.devices.miband;
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import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst;
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import nodomain.freeyourgadget.gadgetbridge.util.CheckSums;
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public class DeviceInfo extends AbstractInfo {
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public final String deviceId;
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public final int profileVersion;
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/**
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* Mi Band firmware version identifier
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*/
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public final int fwVersion;
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public final int hwVersion;
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public final int feature;
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public final int appearance;
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/**
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* Heart rate firmware version identifier
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*/
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public final int fw2Version;
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private boolean test1AHRMode;
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private boolean isChecksumCorrect(byte[] data) {
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int crc8 = CheckSums.getCRC8(new byte[]{data[0], data[1], data[2], data[3], data[4], data[5], data[6]});
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return (data[7] & 255) == (crc8 ^ data[3] & 255);
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}
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public DeviceInfo(byte[] data) {
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super(data);
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if ((data.length == 16 || data.length == 20) && isChecksumCorrect(data)) {
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deviceId = String.format("%02X%02X%02X%02X%02X%02X%02X%02X", data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]);
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profileVersion = getInt(data, 8);
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fwVersion = getInt(data, 12);
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hwVersion = data[6] & 255;
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appearance = data[5] & 255;
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feature = data[4] & 255;
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if (data.length == 20) {
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int s = 0;
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for (int i = 0; i < 4; ++i) {
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s |= (data[16 + i] & 255) << i * 8;
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}
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fw2Version = s;
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} else {
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fw2Version = -1;
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}
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} else {
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deviceId = "crc error";
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profileVersion = -1;
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fwVersion = -1;
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hwVersion = -1;
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feature = -1;
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appearance = -1;
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fw2Version = -1;
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}
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}
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public static int getInt(byte[] data, int from, int len) {
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int ret = 0;
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for (int i = 0; i < len; ++i) {
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ret |= (data[from + i] & 255) << i * 8;
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}
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return ret;
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}
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private int getInt(byte[] data, int from) {
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return getInt(data, from, 4);
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}
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public int getFirmwareVersion() {
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return fwVersion;
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}
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public int getHeartrateFirmwareVersion() {
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if (test1AHRMode) {
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return fwVersion;
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}
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return fw2Version;
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}
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public int getProfileVersion() {
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return profileVersion;
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}
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public void setTest1AHRMode(boolean enableTestMode) {
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test1AHRMode = enableTestMode;
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}
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public boolean supportsHeartrate() {
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return isMili1S() || (test1AHRMode && isMili1A());
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}
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@Override
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public String toString() {
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return "DeviceInfo{" +
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"deviceId='" + deviceId + '\'' +
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", profileVersion=" + profileVersion +
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", fwVersion=" + fwVersion +
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", hwVersion=" + hwVersion +
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", feature=" + feature +
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", appearance=" + appearance +
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", fw2Version (hr)=" + fw2Version +
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'}';
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}
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public boolean isMili1() {
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return hwVersion == 2 || (feature == 0 && appearance == 0 && hwVersion == 8 && fw2Version == -1);
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}
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public boolean isMili1A() {
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return feature == 5 && appearance == 0 || feature == 0 && hwVersion == 208;
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}
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public boolean isMili1S() {
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// TODO: this is probably not quite correct, but hopefully sufficient for early 1S support
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return (feature == 4 && appearance == 0) || hwVersion == 4;
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}
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public boolean isAmazFit() {
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return hwVersion == 6;
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}
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public String getHwVersion() {
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if (isMili1()) {
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return MiBandConst.MI_1;
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}
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if (isMili1A()) {
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return MiBandConst.MI_1A;
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}
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if (isMili1S()) {
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return MiBandConst.MI_1S;
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}
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if (isAmazFit()) {
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return MiBandConst.MI_AMAZFIT;
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}
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return "?";
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}
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}
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