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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.onewire.internal.device;
  14
  15 import static org.openhab.binding.onewire.internal.OwBindingConstants.*;
  16
  17 import java.util.BitSet;
  18
  19 import javax.measure.quantity.Dimensionless;
  20 import javax.measure.quantity.Frequency;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.openhab.binding.onewire.internal.OwException;
  24 import org.openhab.binding.onewire.internal.SensorId;
  25 import org.openhab.binding.onewire.internal.config.BAE091xAnalogConfiguration;
  26 import org.openhab.binding.onewire.internal.config.BAE091xPIOConfiguration;
  27 import org.openhab.binding.onewire.internal.config.BAE091xPWMConfiguration;
  28 import org.openhab.binding.onewire.internal.handler.OwBaseThingHandler;
  29 import org.openhab.binding.onewire.internal.handler.OwserverBridgeHandler;
  30 import org.openhab.binding.onewire.internal.owserver.OwserverDeviceParameter;
  31 import org.openhab.core.library.types.DecimalType;
  32 import org.openhab.core.library.types.OnOffType;
  33 import org.openhab.core.library.types.QuantityType;
  34 import org.openhab.core.library.unit.Units;
  35 import org.openhab.core.thing.Channel;
  36 import org.openhab.core.thing.type.ChannelTypeUID;
  37 import org.openhab.core.types.Command;
  38 import org.openhab.core.types.State;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  * The {@link BAE0910} class defines a BAE0910 device
  44  *
  45  * @author Jan N. Klug - Initial contribution
  46  */
  47 @NonNullByDefault
  48 public class BAE0910 extends AbstractOwDevice {
  49     private static final int OUTC_OUTEN = 4;
  50     private static final int OUTC_DS = 3;
  51
  52     private static final int PIOC_PIOEN = 4;
  53     private static final int PIOC_DS = 3;
  54     private static final int PIOC_PD = 2;
  55     private static final int PIOC_PE = 1;
  56     private static final int PIOC_DD = 0;
  57
  58     private static final int ADCC_ADCEN = 4;
  59     private static final int ADCC_10BIT = 3;
  60     @SuppressWarnings("unused") // for future use
  61     private static final int ADCC_OFS = 2;
  62     @SuppressWarnings("unused")
  63     private static final int ADCC_GRP = 1;
  64     @SuppressWarnings("unused")
  65     private static final int ADCC_STP = 0;
  66
  67     private static final int TPMC_POL = 7;
  68     private static final int TPMC_INENA = 5;
  69     private static final int TPMC_PWMDIS = 4;
  70     private static final int TPMC_PS2 = 2;
  71     private static final int TPMC_PS1 = 1;
  72     private static final int TPMC_PS0 = 0;
  73
  74     private final Logger logger = LoggerFactory.getLogger(BAE0910.class);
  75     private final OwserverDeviceParameter pin1CounterParameter = new OwserverDeviceParameter("/counter");
  76     private final OwserverDeviceParameter pin2OutParameter = new OwserverDeviceParameter("/out");
  77     private final OwserverDeviceParameter pin6PIOParameter = new OwserverDeviceParameter("/pio");
  78     private final OwserverDeviceParameter pin7AnalogParameter = new OwserverDeviceParameter("/adc");
  79     private final OwserverDeviceParameter outcParameter = new OwserverDeviceParameter("/outc");
  80     private final OwserverDeviceParameter piocParameter = new OwserverDeviceParameter("/pioc");
  81     private final OwserverDeviceParameter adccParameter = new OwserverDeviceParameter("/adcc");
  82     private final OwserverDeviceParameter tpm1cParameter = new OwserverDeviceParameter("/tpm1c");
  83     private final OwserverDeviceParameter tpm2cParameter = new OwserverDeviceParameter("/tpm2c");
  84     private final OwserverDeviceParameter period1Parameter = new OwserverDeviceParameter("/period1");
  85     private final OwserverDeviceParameter period2Parameter = new OwserverDeviceParameter("/period2");
  86     private final OwserverDeviceParameter duty1Parameter = new OwserverDeviceParameter("/duty1");
  87     private final OwserverDeviceParameter duty2Parameter = new OwserverDeviceParameter("/duty2");
  88     private final OwserverDeviceParameter duty3Parameter = new OwserverDeviceParameter("/duty3");
  89     private final OwserverDeviceParameter duty4Parameter = new OwserverDeviceParameter("/duty4");
  90
  91     private final BitSet outcRegister = new BitSet(8);
  92     private final BitSet piocRegister = new BitSet(8);
  93     private final BitSet adccRegister = new BitSet(8);
  94     private final BitSet tpm1cRegister = new BitSet(8);
  95     private final BitSet tpm2cRegister = new BitSet(8);
  96
  97     private double resolution1 = 8; // in µs
  98     private double resolution2 = 8; // in µs
  99
 100     public BAE0910(SensorId sensorId, OwBaseThingHandler callback) {
 101         super(sensorId, callback);
 102     }
 103
 104     @Override
 105     public void configureChannels() {
 106     }
 107
 108     public void configureChannels(OwserverBridgeHandler bridgeHandler) throws OwException {
 109         outcRegister.clear();
 110         piocRegister.clear();
 111         adccRegister.clear();
 112         tpm1cRegister.clear();
 113         tpm2cRegister.clear();
 114
 115         if (enabledChannels.contains(CHANNEL_PWM_FREQ1)) {
 116             Channel channel = callback.getThing().getChannel(CHANNEL_PWM_FREQ1);
 117             if (channel != null) {
 118                 BAE091xPWMConfiguration channelConfig = channel.getConfiguration().as(BAE091xPWMConfiguration.class);
 119                 tpm1cRegister.set(TPMC_POL, channelConfig.reversePolarity);
 120                 tpm1cRegister.set(TPMC_PS2, (channelConfig.prescaler & 4) == 4);
 121                 tpm1cRegister.set(TPMC_PS1, (channelConfig.prescaler & 2) == 2);
 122                 tpm1cRegister.set(TPMC_PS0, (channelConfig.prescaler & 1) == 1);
 123                 resolution1 = 0.0625 * (1 << channelConfig.prescaler);
 124             } else {
 125                 throw new OwException("trying to configure pwm but frequency channel is missing");
 126             }
 127         }
 128
 129         if (enabledChannels.contains(CHANNEL_PWM_FREQ2)) {
 130             Channel channel = callback.getThing().getChannel(CHANNEL_PWM_FREQ2);
 131             if (channel != null) {
 132                 BAE091xPWMConfiguration channelConfig = channel.getConfiguration().as(BAE091xPWMConfiguration.class);
 133                 tpm2cRegister.set(TPMC_POL, channelConfig.reversePolarity);
 134                 tpm2cRegister.set(TPMC_PS2, (channelConfig.prescaler & 4) == 4);
 135                 tpm2cRegister.set(TPMC_PS1, (channelConfig.prescaler & 2) == 2);
 136                 tpm2cRegister.set(TPMC_PS0, (channelConfig.prescaler & 1) == 1);
 137                 resolution2 = 0.0625 * (1 << channelConfig.prescaler);
 138             } else {
 139                 throw new OwException("trying to configure pwm but frequency channel is missing");
 140             }
 141         }
 142
 143         // Pin 2
 144         if (enabledChannels.contains(CHANNEL_DIGITAL2)) {
 145             outcRegister.set(OUTC_DS);
 146             outcRegister.set(OUTC_OUTEN);
 147         }
 148
 149         // Pin 6
 150         if (enabledChannels.contains(CHANNEL_DIGITAL6)) {
 151             piocRegister.set(PIOC_PIOEN);
 152             piocRegister.set(PIOC_DS);
 153             Channel channel = callback.getThing().getChannel(CHANNEL_DIGITAL6);
 154             if (channel != null) {
 155                 BAE091xPIOConfiguration channelConfig = channel.getConfiguration().as(BAE091xPIOConfiguration.class);
 156                 piocRegister.set(PIOC_DD, channelConfig.mode.equals("output"));
 157                 switch (channelConfig.pulldevice) {
 158                     case "pullup" -> {
 159                         piocRegister.set(PIOC_PE);
 160                         piocRegister.clear(PIOC_PD);
 161                     }
 162                     case "pulldown" -> {
 163                         piocRegister.set(PIOC_PE);
 164                         piocRegister.set(PIOC_PD);
 165                     }
 166                     default -> {
 167                     }
 168                 }
 169             } else {
 170                 throw new OwException("trying to configure pin 6 but channel is missing");
 171             }
 172         }
 173
 174         // Pin 7
 175         if (enabledChannels.contains(CHANNEL_VOLTAGE)) {
 176             adccRegister.set(ADCC_ADCEN);
 177             Channel channel = callback.getThing().getChannel(CHANNEL_VOLTAGE);
 178             if (channel != null) {
 179                 BAE091xAnalogConfiguration channelConfig = channel.getConfiguration()
 180                         .as(BAE091xAnalogConfiguration.class);
 181                 adccRegister.set(ADCC_10BIT, channelConfig.hires);
 182             } else {
 183                 throw new OwException("trying to configure pin 7 but channel is missing");
 184             }
 185         }
 186
 187         if (enabledChannels.contains(CHANNEL_DIGITAL7)) {
 188             tpm2cRegister.set(TPMC_PWMDIS);
 189         }
 190
 191         // Pin 8
 192         if (enabledChannels.contains(CHANNEL_DIGITAL8)) {
 193             tpm1cRegister.set(TPMC_PWMDIS);
 194             Channel channel = callback.getThing().getChannel(CHANNEL_DIGITAL8);
 195             if (channel != null) {
 196                 if ((new ChannelTypeUID(BINDING_ID, "bae-in")).equals(channel.getChannelTypeUID())) {
 197                     tpm1cRegister.set(TPMC_INENA);
 198                 }
 199             } else {
 200                 throw new OwException("trying to configure pin 8 but channel is missing");
 201             }
 202         }
 203
 204         // write configuration
 205         bridgeHandler.writeBitSet(sensorId, outcParameter, outcRegister);
 206         bridgeHandler.writeBitSet(sensorId, piocParameter, piocRegister);
 207         bridgeHandler.writeBitSet(sensorId, adccParameter, adccRegister);
 208         bridgeHandler.writeBitSet(sensorId, tpm1cParameter, tpm1cRegister);
 209         bridgeHandler.writeBitSet(sensorId, tpm2cParameter, tpm2cRegister);
 210
 211         isConfigured = true;
 212     }
 213
 214     @Override
 215     public void refresh(OwserverBridgeHandler bridgeHandler, Boolean forcedRefresh) throws OwException {
 216         if (isConfigured) {
 217             logger.trace("refresh of sensor {} started", sensorId);
 218             // Counter
 219             if (enabledChannels.contains(CHANNEL_COUNTER)) {
 220                 State counterValue = bridgeHandler.readDecimalType(sensorId, pin1CounterParameter);
 221                 callback.postUpdate(CHANNEL_COUNTER, counterValue);
 222             }
 223
 224             // Digital Pins
 225             if (enabledChannels.contains(CHANNEL_DIGITAL2)) {
 226                 BitSet value = bridgeHandler.readBitSet(sensorId, pin2OutParameter);
 227                 callback.postUpdate(CHANNEL_DIGITAL2, OnOffType.from(value.get(0)));
 228             }
 229             if (enabledChannels.contains(CHANNEL_DIGITAL6)) {
 230                 BitSet value = bridgeHandler.readBitSet(sensorId, pin6PIOParameter);
 231                 callback.postUpdate(CHANNEL_DIGITAL6, OnOffType.from(value.get(0)));
 232             }
 233             if (enabledChannels.contains(CHANNEL_DIGITAL7)) {
 234                 BitSet value = bridgeHandler.readBitSet(sensorId, tpm2cParameter);
 235                 callback.postUpdate(CHANNEL_DIGITAL7, OnOffType.from(value.get(TPMC_POL)));
 236             }
 237             if (enabledChannels.contains(CHANNEL_DIGITAL8)) {
 238                 BitSet value = bridgeHandler.readBitSet(sensorId, tpm1cParameter);
 239                 callback.postUpdate(CHANNEL_DIGITAL8, OnOffType.from(value.get(TPMC_POL)));
 240             }
 241
 242             // Analog
 243             if (enabledChannels.contains(CHANNEL_VOLTAGE)) {
 244                 State analogValue = bridgeHandler.readDecimalType(sensorId, pin7AnalogParameter);
 245                 callback.postUpdate(CHANNEL_VOLTAGE, new QuantityType<>((DecimalType) analogValue, Units.VOLT));
 246             }
 247
 248             // PWM
 249             int period1 = 0;
 250             int period2 = 0;
 251             if (enabledChannels.contains(CHANNEL_PWM_FREQ1)) {
 252                 period1 = ((DecimalType) bridgeHandler.readDecimalType(sensorId, period1Parameter)).intValue();
 253                 double frequency = (period1 > 0) ? 1 / (period1 * resolution1 * 1e-6) : 0;
 254                 callback.postUpdate(CHANNEL_PWM_FREQ1, new QuantityType<>(frequency, Units.HERTZ));
 255             }
 256             if (enabledChannels.contains(CHANNEL_PWM_FREQ2)) {
 257                 period2 = ((DecimalType) bridgeHandler.readDecimalType(sensorId, period2Parameter)).intValue();
 258                 double frequency = (period2 > 0) ? 1 / (period2 * resolution2 * 1e-6) : 0;
 259                 callback.postUpdate(CHANNEL_PWM_FREQ2, new QuantityType<>(frequency, Units.HERTZ));
 260             }
 261             if (enabledChannels.contains(CHANNEL_PWM_DUTY1)) {
 262                 int dutyValue = ((DecimalType) bridgeHandler.readDecimalType(sensorId, duty1Parameter)).intValue();
 263                 double duty = (period1 > 0 && dutyValue <= period1) ? 100 * dutyValue / period1 : 100;
 264                 callback.postUpdate(CHANNEL_PWM_DUTY1, new QuantityType<>(duty, Units.PERCENT));
 265             }
 266             if (enabledChannels.contains(CHANNEL_PWM_DUTY2)) {
 267                 int dutyValue = ((DecimalType) bridgeHandler.readDecimalType(sensorId, duty2Parameter)).intValue();
 268                 double duty = (period2 > 0 && dutyValue <= period2) ? 100 * dutyValue / period2 : 100;
 269                 callback.postUpdate(CHANNEL_PWM_DUTY2, new QuantityType<>(duty, Units.PERCENT));
 270             }
 271             if (enabledChannels.contains(CHANNEL_PWM_DUTY3)) {
 272                 int dutyValue = ((DecimalType) bridgeHandler.readDecimalType(sensorId, duty3Parameter)).intValue();
 273                 double duty = (period1 > 0 && dutyValue <= period1) ? 100 * dutyValue / period1 : 100;
 274                 callback.postUpdate(CHANNEL_PWM_DUTY3, new QuantityType<>(duty, Units.PERCENT));
 275             }
 276             if (enabledChannels.contains(CHANNEL_PWM_DUTY4)) {
 277                 int dutyValue = ((DecimalType) bridgeHandler.readDecimalType(sensorId, duty4Parameter)).intValue();
 278                 double duty = (period2 > 0 && dutyValue <= period2) ? 100 * dutyValue / period2 : 100;
 279                 callback.postUpdate(CHANNEL_PWM_DUTY4, new QuantityType<>(duty, Units.PERCENT));
 280             }
 281         }
 282     }
 283
 284     public boolean writeChannel(OwserverBridgeHandler bridgeHandler, String channelId, Command command) {
 285         try {
 286             BitSet value = new BitSet(8);
 287             switch (channelId) {
 288                 case CHANNEL_DIGITAL2 -> {
 289                     // output
 290                     if (!outcRegister.get(OUTC_OUTEN)) {
 291                         return false;
 292                     }
 293                     value.set(0, command.equals(OnOffType.ON));
 294                     bridgeHandler.writeBitSet(sensorId, pin2OutParameter, value);
 295                 }
 296                 case CHANNEL_DIGITAL6 -> {
 297                     // not input, pio
 298                     if (!piocRegister.get(PIOC_DD) || !piocRegister.get(PIOC_PIOEN)) {
 299                         return false;
 300                     }
 301                     value.set(0, command.equals(OnOffType.ON));
 302                     bridgeHandler.writeBitSet(sensorId, pin6PIOParameter, value);
 303                 }
 304                 case CHANNEL_DIGITAL7 -> {
 305                     // not pwm, not analog
 306                     if (!tpm2cRegister.get(TPMC_PWMDIS) || adccRegister.get(ADCC_ADCEN)) {
 307                         return false;
 308                     }
 309                     tpm2cRegister.set(TPMC_POL, command.equals(OnOffType.ON));
 310                     bridgeHandler.writeBitSet(sensorId, tpm2cParameter, tpm2cRegister);
 311                 }
 312                 case CHANNEL_DIGITAL8 -> {
 313                     // not input, not pwm
 314                     if (tpm1cRegister.get(TPMC_INENA) || !tpm1cRegister.get(TPMC_PWMDIS)) {
 315                         return false;
 316                     }
 317                     tpm1cRegister.set(TPMC_POL, command.equals(OnOffType.ON));
 318                     bridgeHandler.writeBitSet(sensorId, tpm1cParameter, tpm1cRegister);
 319                 }
 320                 case CHANNEL_PWM_FREQ1 -> {
 321                     if (command instanceof QuantityType<?>) {
 322                         bridgeHandler.writeDecimalType(sensorId, period1Parameter,
 323                                 convertFrequencyToPeriod(command, resolution1));
 324                     }
 325                 }
 326                 case CHANNEL_PWM_FREQ2 -> {
 327                     if (command instanceof QuantityType<?>) {
 328                         bridgeHandler.writeDecimalType(sensorId, period2Parameter,
 329                                 convertFrequencyToPeriod(command, resolution2));
 330                     }
 331                 }
 332                 case CHANNEL_PWM_DUTY1 -> {
 333                     if (command instanceof QuantityType<?>) {
 334                         bridgeHandler.writeDecimalType(sensorId, duty1Parameter, calculateDutyCycle(command,
 335                                 (DecimalType) bridgeHandler.readDecimalType(sensorId, period1Parameter)));
 336                     }
 337                 }
 338                 case CHANNEL_PWM_DUTY2 -> {
 339                     if (command instanceof QuantityType<?>) {
 340                         bridgeHandler.writeDecimalType(sensorId, duty2Parameter, calculateDutyCycle(command,
 341                                 (DecimalType) bridgeHandler.readDecimalType(sensorId, period2Parameter)));
 342                     }
 343                 }
 344                 case CHANNEL_PWM_DUTY3 -> {
 345                     if (command instanceof QuantityType<?>) {
 346                         bridgeHandler.writeDecimalType(sensorId, duty3Parameter, calculateDutyCycle(command,
 347                                 (DecimalType) bridgeHandler.readDecimalType(sensorId, period1Parameter)));
 348                     }
 349                 }
 350                 case CHANNEL_PWM_DUTY4 -> {
 351                     if (command instanceof QuantityType<?>) {
 352                         bridgeHandler.writeDecimalType(sensorId, duty4Parameter, calculateDutyCycle(command,
 353                                 (DecimalType) bridgeHandler.readDecimalType(sensorId, period2Parameter)));
 354                     }
 355                 }
 356                 default -> throw new OwException("unknown or invalid channel");
 357             }
 358             return true;
 359         } catch (OwException e) {
 360             logger.info("could not write {} to {}: {}", command, channelId, e.getMessage());
 361             return false;
 362         }
 363     }
 364
 365     public static OwSensorType getDeviceSubType(OwserverBridgeHandler bridgeHandler, SensorId sensorId)
 366             throws OwException {
 367         OwserverDeviceParameter deviceTypeParameter = new OwserverDeviceParameter("/device_type");
 368
 369         String subDeviceType = bridgeHandler.readString(sensorId, deviceTypeParameter);
 370         return switch (subDeviceType) {
 371             case "2" -> OwSensorType.BAE0910;
 372             case "3" -> OwSensorType.BAE0911;
 373             default -> OwSensorType.UNKNOWN;
 374         };
 375     }
 376
 377     private DecimalType convertFrequencyToPeriod(Command command, double resolution) throws OwException {
 378         @SuppressWarnings("unchecked")
 379         QuantityType<Frequency> fHz = ((QuantityType<Frequency>) command).toUnit(Units.HERTZ);
 380         if (fHz == null) {
 381             throw new OwException("could not convert command to frequency");
 382         }
 383         double f = fHz.doubleValue();
 384         int period = 0;
 385         if (f > 0) {
 386             period = (int) Math.min(Math.round(1 / (f * resolution * 1e-6)), 65535);
 387         }
 388         return new DecimalType(period);
 389     }
 390
 391     private DecimalType calculateDutyCycle(Command command, DecimalType period) throws OwException {
 392         @SuppressWarnings("unchecked")
 393         double dutyCycle = ((QuantityType<Dimensionless>) command).doubleValue();
 394         int dutyValue = 0;
 395         if (dutyCycle > 0 && dutyCycle <= 100) {
 396             dutyValue = (int) Math.round(dutyCycle / 100.0 * period.intValue());
 397         } else if (dutyCycle > 100) {
 398             dutyValue = 65535;
 399         }
 400         return new DecimalType(dutyValue);
 401     }
 402 }