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<!-- Attention authors: Do not edit directly. Please add your changes to the appropriate source repository -->
<h1 id="davis-binding">Davis Binding</h1>
<p>The openHAB Davis binding supports reading data from Davis weather stations. Most Davis weather stations should be supported.</p>
<p>The binding is based on the <a href="http://www.google.at/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCQQFjAA&url=http%3A%2F%2Fwww.davisnet.com%2Fsupport%2Fweather%2Fdownload%2FVantageSerialProtocolDocs_v261.pdf&ei=yns1VLO9B9Pe7Ab9hYDgDQ&usg=AFQjCNEUP_O6jjV3tHaxc7_faaLKWAtw2g&sig2=0YuJy45Qmk76RlffOqayuA&bvm=bv.76943099,d.ZGU">Serial Communication Reference Manual</a> from Davis.</p>
<h2 id="binding-configuration">Binding Configuration</h2>
<p>The binding can be configured in the file <code class="highlighter-rouge">services/davis.cfg</code>.</p>
<table>
<thead>
<tr>
<th>Property</th>
<th>Default</th>
<th style="text-align: center">Required</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>port</td>
<td> </td>
<td style="text-align: center">Yes</td>
<td>The serial port of the Weather station</td>
</tr>
<tr>
<td>refresh</td>
<td>10000</td>
<td style="text-align: center">No</td>
<td>The refresh interval (in milliseconds)</td>
</tr>
</tbody>
</table>
<h2 id="item-configuration">Item Configuration</h2>
<p>Item bindings should conform to this format:</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>davis="<value-key>"
</code></pre></div></div>
<p>The following table defines the allowable values for <code class="highlighter-rouge"><value-key></code>.</p>
<table>
<thead>
<tr>
<th>Value-Key</th>
</tr>
</thead>
<tbody>
<tr>
<td>bar_trend</td>
</tr>
<tr>
<td>barometer</td>
</tr>
<tr>
<td>console_battery_voltage</td>
</tr>
<tr>
<td>dew_point</td>
</tr>
<tr>
<td>firmware_date</td>
</tr>
<tr>
<td>firmware_version</td>
</tr>
<tr>
<td>heat_index</td>
</tr>
<tr>
<td>inside_humidity</td>
</tr>
<tr>
<td>inside_temp</td>
</tr>
<tr>
<td>last_15min_rain</td>
</tr>
<tr>
<td>last_24h_rain</td>
</tr>
<tr>
<td>last_hour_rain</td>
</tr>
<tr>
<td>outside_humidity</td>
</tr>
<tr>
<td>outside_temp</td>
</tr>
<tr>
<td>rain_rate</td>
</tr>
<tr>
<td>receivers</td>
</tr>
<tr>
<td>rx_count_consecutive</td>
</tr>
<tr>
<td>rx_count_crc</td>
</tr>
<tr>
<td>rx_count_missed</td>
</tr>
<tr>
<td>rx_count_resync</td>
</tr>
<tr>
<td>rx_count_total</td>
</tr>
<tr>
<td>solar_radiation</td>
</tr>
<tr>
<td>station_type</td>
</tr>
<tr>
<td>thsw_index</td>
</tr>
<tr>
<td>time</td>
</tr>
<tr>
<td>transmitter_battery_status</td>
</tr>
<tr>
<td>uv</td>
</tr>
<tr>
<td>wind_chill</td>
</tr>
<tr>
<td>wind_direction</td>
</tr>
<tr>
<td>wind_direction_10min__gust</td>
</tr>
<tr>
<td>wind_speed</td>
</tr>
<tr>
<td>wind_speed_10min_avg</td>
</tr>
<tr>
<td>wind_speed_10min_avg_hires</td>
</tr>
<tr>
<td>wind_speed_10min_gust_hires</td>
</tr>
<tr>
<td>wind_speed_2min_avg_hires</td>
</tr>
</tbody>
</table>
<h2 id="examples">Examples</h2>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>String StationType "StationType: [%s]" { davis="station_type" }
Number Receivers "Receivers: [%.0f]" { davis="receivers" }
Number TransmitterBattery "Transmitter Battery [%.1f]" { davis="transmitter_battery_status" }
Number ConsoleBattVoltage "Console Battery [%.2f V]" { davis="console_battery_voltage" }
DateTime Date "Date [%1$tA, %1$td.%1$tm.%1$tY]" { davis="time" }
Number InsideTemp "Inside Temp [%.1f °C ]" { davis="inside_temp" }
Number OutsideTemp "Outside Temp [%.1f °C ]" { davis="outside_temp" }
Number DewPoint "Dew Point [%.1f °C ]" { davis="dew_point" }
Number HeatIndex "Heat Index [%.1f °C ]" { davis="heat_index" }
Number WindChill "Wind Chill [%.1f °C ]" { davis="wind_chill" }
Number THSWIndex "THSW Index[%.1f °C ]" { davis="thsw_index" }
Number InsideHumidity "Inside Humidity [%.0f %% ]" { davis="inside_humidity" }
Number OutsideHumidity "Outside Humidity [%.0f %% ]" { davis="outside_humidity" }
String BarTrend "Barometer Trend [%s]" { davis="bar_trend" }
Number Barometer "Barometer [%.0f hPa]" { davis="barometer" }
Number WindSpeed "Wind Speed [%.1f km/h]" { davis="wind_speed" }
Number WindSpeed10minAvg "Wind Speed 10min Avg [%.1f km/h]" { davis="wind_speed_10min_avg" }
Number WindDirection "Wind Direction [%.0f °]" { davis="wind_direction" }
Number WindSpeed10minHiRes "Wind Speed 10min Avg HiRes [%.1f km/h]" { davis="wind_speed_10min_avg_hires" }
Number WindSpeed2minHiRes "Wind Speed 10min Avg HiRes [%.1f km/h]" { davis="wind_speed_2min_avg_hires" }
Number WindSpeed10minGustHiRes "Wind Speed 10min Avg HiRes [%.1f km/h]" { davis="wind_speed_10min_gust_hires" }
Number WindDirectionGust "Wind Direction Gust [%.0f °]" { davis="wind_direction_10min__gust" }
Number RainRate "Rain Rate [%.1f mm/h ]" { davis="rain_rate" }
Number Rain15min "Rain Rate [%.1f mm/h ]" { davis="last_15min_rain" }
Number Rainlast1h "Rain Rate [%.1f mm/h ]" { davis="last_hour_rain" }
Number Rainlast24h "Rain Rate [%.1f mm/h ]" { davis="last_24h_rain" }
Number UVIndex "UV Index [%.1f ]" { davis="uv" }
Number Solar "Solar Radiation [%.0f W/m²]" { davis="solar_radiation" }
String firmware_date "Firmware Date: [%s]" { davis="firmware_date" }
String firmware_version "Firmware Version: [%s]" { davis="firmware_version" }
String rx_total "RX Packets total: [%s]" { davis="rx_count_total" }
String rx_missed "RX Packets missed: [%s]" { davis="rx_count_missed" }
String rx_resync "RX Resyncs: [%s]" { davis="rx_count_resync" }
String rx_consec "RX Packets received in a row without error: [%s]" { davis="rx_count_consecutive" }
String rx_crc "RX Packets CRC failes: [%s]" { davis="rx_count_crc" }
</code></pre></div></div>
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