Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.hdmi; |
| 18 | |
Jungshik Jang | 61f4fbd | 2014-08-06 19:21:12 +0900 | [diff] [blame] | 19 | import android.hardware.hdmi.HdmiDeviceInfo; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 20 | import android.util.Slog; |
| 21 | |
| 22 | import com.android.internal.util.Preconditions; |
| 23 | import com.android.server.hdmi.HdmiControlService.DevicePollingCallback; |
| 24 | |
| 25 | import java.io.UnsupportedEncodingException; |
| 26 | import java.util.ArrayList; |
| 27 | import java.util.List; |
| 28 | |
| 29 | /** |
| 30 | * Feature action that handles device discovery sequences. |
| 31 | * Device discovery is launched when TV device is woken from "Standby" state |
| 32 | * or enabled "Control for Hdmi" from disabled state. |
| 33 | * |
| 34 | * <p>Device discovery goes through the following steps. |
| 35 | * <ol> |
| 36 | * <li>Poll all non-local devices by sending <Polling Message> |
| 37 | * <li>Gather "Physical address" and "device type" of all acknowledged devices |
| 38 | * <li>Gather "OSD (display) name" of all acknowledge devices |
| 39 | * <li>Gather "Vendor id" of all acknowledge devices |
| 40 | * </ol> |
Yuncheol Heo | 4635038 | 2014-12-03 22:29:45 +0900 | [diff] [blame] | 41 | * We attempt to get OSD name/vendor ID up to 5 times in case the communication fails. |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 42 | */ |
Jungshik Jang | b509c2e | 2014-08-07 13:45:01 +0900 | [diff] [blame] | 43 | final class DeviceDiscoveryAction extends HdmiCecFeatureAction { |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 44 | private static final String TAG = "DeviceDiscoveryAction"; |
| 45 | |
| 46 | // State in which the action is waiting for device polling. |
| 47 | private static final int STATE_WAITING_FOR_DEVICE_POLLING = 1; |
| 48 | // State in which the action is waiting for gathering physical address of non-local devices. |
| 49 | private static final int STATE_WAITING_FOR_PHYSICAL_ADDRESS = 2; |
| 50 | // State in which the action is waiting for gathering osd name of non-local devices. |
| 51 | private static final int STATE_WAITING_FOR_OSD_NAME = 3; |
| 52 | // State in which the action is waiting for gathering vendor id of non-local devices. |
| 53 | private static final int STATE_WAITING_FOR_VENDOR_ID = 4; |
| 54 | |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 55 | /** |
| 56 | * Interface used to report result of device discovery. |
| 57 | */ |
| 58 | interface DeviceDiscoveryCallback { |
| 59 | /** |
| 60 | * Called when device discovery is done. |
| 61 | * |
| 62 | * @param deviceInfos a list of all non-local devices. It can be empty list. |
| 63 | */ |
Jungshik Jang | 61f4fbd | 2014-08-06 19:21:12 +0900 | [diff] [blame] | 64 | void onDeviceDiscoveryDone(List<HdmiDeviceInfo> deviceInfos); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | // An internal container used to keep track of device information during |
| 68 | // this action. |
| 69 | private static final class DeviceInfo { |
| 70 | private final int mLogicalAddress; |
| 71 | |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 72 | private int mPhysicalAddress = Constants.INVALID_PHYSICAL_ADDRESS; |
Jinsuk Kim | 2b15201 | 2014-07-25 08:22:26 +0900 | [diff] [blame] | 73 | private int mPortId = Constants.INVALID_PORT_ID; |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 74 | private int mVendorId = Constants.UNKNOWN_VENDOR_ID; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 75 | private String mDisplayName = ""; |
Jungshik Jang | 61f4fbd | 2014-08-06 19:21:12 +0900 | [diff] [blame] | 76 | private int mDeviceType = HdmiDeviceInfo.DEVICE_INACTIVE; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 77 | |
| 78 | private DeviceInfo(int logicalAddress) { |
| 79 | mLogicalAddress = logicalAddress; |
| 80 | } |
| 81 | |
Jungshik Jang | 61f4fbd | 2014-08-06 19:21:12 +0900 | [diff] [blame] | 82 | private HdmiDeviceInfo toHdmiDeviceInfo() { |
| 83 | return new HdmiDeviceInfo(mLogicalAddress, mPhysicalAddress, mPortId, mDeviceType, |
Jinsuk Kim | 2b15201 | 2014-07-25 08:22:26 +0900 | [diff] [blame] | 84 | mVendorId, mDisplayName); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 85 | } |
| 86 | } |
| 87 | |
| 88 | private final ArrayList<DeviceInfo> mDevices = new ArrayList<>(); |
| 89 | private final DeviceDiscoveryCallback mCallback; |
| 90 | private int mProcessedDeviceCount = 0; |
Yuncheol Heo | 4635038 | 2014-12-03 22:29:45 +0900 | [diff] [blame] | 91 | private int mTimeoutRetry = 0; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 92 | |
| 93 | /** |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 94 | * Constructor. |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 95 | * |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 96 | * @param source an instance of {@link HdmiCecLocalDevice}. |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 97 | */ |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 98 | DeviceDiscoveryAction(HdmiCecLocalDevice source, DeviceDiscoveryCallback callback) { |
| 99 | super(source); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 100 | mCallback = Preconditions.checkNotNull(callback); |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | boolean start() { |
| 105 | mDevices.clear(); |
| 106 | mState = STATE_WAITING_FOR_DEVICE_POLLING; |
| 107 | |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 108 | pollDevices(new DevicePollingCallback() { |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 109 | @Override |
| 110 | public void onPollingFinished(List<Integer> ackedAddress) { |
| 111 | if (ackedAddress.isEmpty()) { |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 112 | Slog.v(TAG, "No device is detected."); |
Jungshik Jang | ad2eefe | 2014-06-30 10:25:20 +0900 | [diff] [blame] | 113 | wrapUpAndFinish(); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 114 | return; |
| 115 | } |
| 116 | |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 117 | Slog.v(TAG, "Device detected: " + ackedAddress); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 118 | allocateDevices(ackedAddress); |
| 119 | startPhysicalAddressStage(); |
| 120 | } |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 121 | }, Constants.POLL_ITERATION_REVERSE_ORDER |
Jinsuk Kim | 5fba96d | 2014-07-11 11:51:34 +0900 | [diff] [blame] | 122 | | Constants.POLL_STRATEGY_REMOTES_DEVICES, HdmiConfig.DEVICE_POLLING_RETRY); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 123 | return true; |
| 124 | } |
| 125 | |
| 126 | private void allocateDevices(List<Integer> addresses) { |
| 127 | for (Integer i : addresses) { |
| 128 | DeviceInfo info = new DeviceInfo(i); |
| 129 | mDevices.add(info); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | private void startPhysicalAddressStage() { |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 134 | Slog.v(TAG, "Start [Physical Address Stage]:" + mDevices.size()); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 135 | mProcessedDeviceCount = 0; |
| 136 | mState = STATE_WAITING_FOR_PHYSICAL_ADDRESS; |
| 137 | |
| 138 | checkAndProceedStage(); |
| 139 | } |
| 140 | |
| 141 | private boolean verifyValidLogicalAddress(int address) { |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 142 | return address >= Constants.ADDR_TV && address < Constants.ADDR_UNREGISTERED; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | private void queryPhysicalAddress(int address) { |
| 146 | if (!verifyValidLogicalAddress(address)) { |
| 147 | checkAndProceedStage(); |
| 148 | return; |
| 149 | } |
| 150 | |
| 151 | mActionTimer.clearTimerMessage(); |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 152 | |
| 153 | // Check cache first and send request if not exist. |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 154 | if (mayProcessMessageIfCached(address, Constants.MESSAGE_REPORT_PHYSICAL_ADDRESS)) { |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 155 | return; |
| 156 | } |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 157 | sendCommand(HdmiCecMessageBuilder.buildGivePhysicalAddress(getSourceAddress(), address)); |
Jinsuk Kim | 5fba96d | 2014-07-11 11:51:34 +0900 | [diff] [blame] | 158 | addTimer(mState, HdmiConfig.TIMEOUT_MS); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | private void startOsdNameStage() { |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 162 | Slog.v(TAG, "Start [Osd Name Stage]:" + mDevices.size()); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 163 | mProcessedDeviceCount = 0; |
| 164 | mState = STATE_WAITING_FOR_OSD_NAME; |
| 165 | |
| 166 | checkAndProceedStage(); |
| 167 | } |
| 168 | |
| 169 | private void queryOsdName(int address) { |
| 170 | if (!verifyValidLogicalAddress(address)) { |
| 171 | checkAndProceedStage(); |
| 172 | return; |
| 173 | } |
| 174 | |
| 175 | mActionTimer.clearTimerMessage(); |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 176 | |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 177 | if (mayProcessMessageIfCached(address, Constants.MESSAGE_SET_OSD_NAME)) { |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 178 | return; |
| 179 | } |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 180 | sendCommand(HdmiCecMessageBuilder.buildGiveOsdNameCommand(getSourceAddress(), address)); |
Jinsuk Kim | 5fba96d | 2014-07-11 11:51:34 +0900 | [diff] [blame] | 181 | addTimer(mState, HdmiConfig.TIMEOUT_MS); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | private void startVendorIdStage() { |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 185 | Slog.v(TAG, "Start [Vendor Id Stage]:" + mDevices.size()); |
| 186 | |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 187 | mProcessedDeviceCount = 0; |
| 188 | mState = STATE_WAITING_FOR_VENDOR_ID; |
| 189 | |
| 190 | checkAndProceedStage(); |
| 191 | } |
| 192 | |
| 193 | private void queryVendorId(int address) { |
| 194 | if (!verifyValidLogicalAddress(address)) { |
| 195 | checkAndProceedStage(); |
| 196 | return; |
| 197 | } |
| 198 | |
| 199 | mActionTimer.clearTimerMessage(); |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 200 | |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 201 | if (mayProcessMessageIfCached(address, Constants.MESSAGE_DEVICE_VENDOR_ID)) { |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 202 | return; |
| 203 | } |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 204 | sendCommand( |
| 205 | HdmiCecMessageBuilder.buildGiveDeviceVendorIdCommand(getSourceAddress(), address)); |
Jinsuk Kim | 5fba96d | 2014-07-11 11:51:34 +0900 | [diff] [blame] | 206 | addTimer(mState, HdmiConfig.TIMEOUT_MS); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 207 | } |
| 208 | |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 209 | private boolean mayProcessMessageIfCached(int address, int opcode) { |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 210 | HdmiCecMessage message = getCecMessageCache().getMessage(address, opcode); |
Jungshik Jang | e81e108 | 2014-06-05 15:37:59 +0900 | [diff] [blame] | 211 | if (message != null) { |
| 212 | processCommand(message); |
| 213 | return true; |
| 214 | } |
| 215 | return false; |
| 216 | } |
| 217 | |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 218 | @Override |
| 219 | boolean processCommand(HdmiCecMessage cmd) { |
| 220 | switch (mState) { |
| 221 | case STATE_WAITING_FOR_PHYSICAL_ADDRESS: |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 222 | if (cmd.getOpcode() == Constants.MESSAGE_REPORT_PHYSICAL_ADDRESS) { |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 223 | handleReportPhysicalAddress(cmd); |
| 224 | return true; |
| 225 | } |
| 226 | return false; |
| 227 | case STATE_WAITING_FOR_OSD_NAME: |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 228 | if (cmd.getOpcode() == Constants.MESSAGE_SET_OSD_NAME) { |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 229 | handleSetOsdName(cmd); |
| 230 | return true; |
| 231 | } |
| 232 | return false; |
| 233 | case STATE_WAITING_FOR_VENDOR_ID: |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 234 | if (cmd.getOpcode() == Constants.MESSAGE_DEVICE_VENDOR_ID) { |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 235 | handleVendorId(cmd); |
| 236 | return true; |
| 237 | } |
| 238 | return false; |
| 239 | case STATE_WAITING_FOR_DEVICE_POLLING: |
| 240 | // Fall through. |
| 241 | default: |
| 242 | return false; |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | private void handleReportPhysicalAddress(HdmiCecMessage cmd) { |
| 247 | Preconditions.checkState(mProcessedDeviceCount < mDevices.size()); |
| 248 | |
| 249 | DeviceInfo current = mDevices.get(mProcessedDeviceCount); |
| 250 | if (current.mLogicalAddress != cmd.getSource()) { |
| 251 | Slog.w(TAG, "Unmatched address[expected:" + current.mLogicalAddress + ", actual:" + |
| 252 | cmd.getSource()); |
| 253 | return; |
| 254 | } |
| 255 | |
| 256 | byte params[] = cmd.getParams(); |
Yuncheol Heo | 75a77e7 | 2014-07-09 18:27:53 +0900 | [diff] [blame] | 257 | current.mPhysicalAddress = HdmiUtils.twoBytesToInt(params); |
Jinsuk Kim | 2b15201 | 2014-07-25 08:22:26 +0900 | [diff] [blame] | 258 | current.mPortId = getPortId(current.mPhysicalAddress); |
Yuncheol Heo | 75a77e7 | 2014-07-09 18:27:53 +0900 | [diff] [blame] | 259 | current.mDeviceType = params[2] & 0xFF; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 260 | |
Jinsuk Kim | bcfa067 | 2014-08-11 11:56:58 +0900 | [diff] [blame] | 261 | tv().updateCecSwitchInfo(current.mLogicalAddress, current.mDeviceType, |
| 262 | current.mPhysicalAddress); |
| 263 | |
Yuncheol Heo | 75a77e7 | 2014-07-09 18:27:53 +0900 | [diff] [blame] | 264 | increaseProcessedDeviceCount(); |
| 265 | checkAndProceedStage(); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 266 | } |
| 267 | |
Jinsuk Kim | 2b15201 | 2014-07-25 08:22:26 +0900 | [diff] [blame] | 268 | private int getPortId(int physicalAddress) { |
| 269 | return tv().getPortId(physicalAddress); |
| 270 | } |
| 271 | |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 272 | private void handleSetOsdName(HdmiCecMessage cmd) { |
| 273 | Preconditions.checkState(mProcessedDeviceCount < mDevices.size()); |
| 274 | |
| 275 | DeviceInfo current = mDevices.get(mProcessedDeviceCount); |
| 276 | if (current.mLogicalAddress != cmd.getSource()) { |
| 277 | Slog.w(TAG, "Unmatched address[expected:" + current.mLogicalAddress + ", actual:" + |
| 278 | cmd.getSource()); |
| 279 | return; |
| 280 | } |
| 281 | |
| 282 | String displayName = null; |
| 283 | try { |
| 284 | displayName = new String(cmd.getParams(), "US-ASCII"); |
| 285 | } catch (UnsupportedEncodingException e) { |
| 286 | Slog.w(TAG, "Failed to decode display name: " + cmd.toString()); |
| 287 | // If failed to get display name, use the default name of device. |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 288 | displayName = HdmiUtils.getDefaultDeviceName(current.mLogicalAddress); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 289 | } |
| 290 | current.mDisplayName = displayName; |
| 291 | increaseProcessedDeviceCount(); |
| 292 | checkAndProceedStage(); |
| 293 | } |
| 294 | |
| 295 | private void handleVendorId(HdmiCecMessage cmd) { |
| 296 | Preconditions.checkState(mProcessedDeviceCount < mDevices.size()); |
| 297 | |
| 298 | DeviceInfo current = mDevices.get(mProcessedDeviceCount); |
| 299 | if (current.mLogicalAddress != cmd.getSource()) { |
| 300 | Slog.w(TAG, "Unmatched address[expected:" + current.mLogicalAddress + ", actual:" + |
| 301 | cmd.getSource()); |
| 302 | return; |
| 303 | } |
| 304 | |
| 305 | byte[] params = cmd.getParams(); |
Yuncheol Heo | 75a77e7 | 2014-07-09 18:27:53 +0900 | [diff] [blame] | 306 | int vendorId = HdmiUtils.threeBytesToInt(params); |
| 307 | current.mVendorId = vendorId; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 308 | increaseProcessedDeviceCount(); |
| 309 | checkAndProceedStage(); |
| 310 | } |
| 311 | |
| 312 | private void increaseProcessedDeviceCount() { |
| 313 | mProcessedDeviceCount++; |
Yuncheol Heo | 4635038 | 2014-12-03 22:29:45 +0900 | [diff] [blame] | 314 | mTimeoutRetry = 0; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | private void removeDevice(int index) { |
| 318 | mDevices.remove(index); |
| 319 | } |
| 320 | |
| 321 | private void wrapUpAndFinish() { |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 322 | Slog.v(TAG, "---------Wrap up Device Discovery:[" + mDevices.size() + "]---------"); |
Jungshik Jang | 61f4fbd | 2014-08-06 19:21:12 +0900 | [diff] [blame] | 323 | ArrayList<HdmiDeviceInfo> result = new ArrayList<>(); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 324 | for (DeviceInfo info : mDevices) { |
Jungshik Jang | 61f4fbd | 2014-08-06 19:21:12 +0900 | [diff] [blame] | 325 | HdmiDeviceInfo cecDeviceInfo = info.toHdmiDeviceInfo(); |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 326 | Slog.v(TAG, " DeviceInfo: " + cecDeviceInfo); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 327 | result.add(cecDeviceInfo); |
| 328 | } |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 329 | Slog.v(TAG, "--------------------------------------------"); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 330 | mCallback.onDeviceDiscoveryDone(result); |
| 331 | finish(); |
Jinsuk Kim | 7fa3a66 | 2014-11-07 15:20:24 +0900 | [diff] [blame] | 332 | // Process any commands buffered while device discovery action was in progress. |
| 333 | tv().processAllDelayedMessages(); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | private void checkAndProceedStage() { |
| 337 | if (mDevices.isEmpty()) { |
| 338 | wrapUpAndFinish(); |
| 339 | return; |
| 340 | } |
| 341 | |
| 342 | // If finished current stage, move on to next stage. |
| 343 | if (mProcessedDeviceCount == mDevices.size()) { |
| 344 | mProcessedDeviceCount = 0; |
| 345 | switch (mState) { |
| 346 | case STATE_WAITING_FOR_PHYSICAL_ADDRESS: |
| 347 | startOsdNameStage(); |
| 348 | return; |
| 349 | case STATE_WAITING_FOR_OSD_NAME: |
| 350 | startVendorIdStage(); |
| 351 | return; |
| 352 | case STATE_WAITING_FOR_VENDOR_ID: |
| 353 | wrapUpAndFinish(); |
| 354 | return; |
| 355 | default: |
| 356 | return; |
| 357 | } |
| 358 | } else { |
Yuncheol Heo | 4635038 | 2014-12-03 22:29:45 +0900 | [diff] [blame] | 359 | sendQueryCommand(); |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | private void sendQueryCommand() { |
| 364 | int address = mDevices.get(mProcessedDeviceCount).mLogicalAddress; |
| 365 | switch (mState) { |
| 366 | case STATE_WAITING_FOR_PHYSICAL_ADDRESS: |
| 367 | queryPhysicalAddress(address); |
| 368 | return; |
| 369 | case STATE_WAITING_FOR_OSD_NAME: |
| 370 | queryOsdName(address); |
| 371 | return; |
| 372 | case STATE_WAITING_FOR_VENDOR_ID: |
| 373 | queryVendorId(address); |
| 374 | default: |
| 375 | return; |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 376 | } |
| 377 | } |
| 378 | |
| 379 | @Override |
| 380 | void handleTimerEvent(int state) { |
| 381 | if (mState == STATE_NONE || mState != state) { |
| 382 | return; |
| 383 | } |
| 384 | |
Yuncheol Heo | 4635038 | 2014-12-03 22:29:45 +0900 | [diff] [blame] | 385 | if (++mTimeoutRetry < HdmiConfig.TIMEOUT_RETRY) { |
| 386 | sendQueryCommand(); |
| 387 | return; |
| 388 | } |
| 389 | mTimeoutRetry = 0; |
Jungshik Jang | 8b308d9 | 2014-05-29 21:52:28 +0900 | [diff] [blame] | 390 | Slog.v(TAG, "Timeout[State=" + mState + ", Processed=" + mProcessedDeviceCount); |
Jungshik Jang | cc5ef8c | 2014-05-27 13:27:36 +0900 | [diff] [blame] | 391 | removeDevice(mProcessedDeviceCount); |
| 392 | checkAndProceedStage(); |
| 393 | } |
| 394 | } |