Allow faster sensor reading intervals, down to 1 second (#848)

code/espurna/config/sensors.h

@@ -5,13 +5,13 @@
 #define SENSOR_DEBUG                        0               // Debug sensors
 
 #define SENSOR_READ_INTERVAL                6               // Read data from sensors every 6 seconds
-#define SENSOR_READ_MIN_INTERVAL            6               // Minimum read interval
+#define SENSOR_READ_MIN_INTERVAL            1               // Minimum read interval
 #define SENSOR_READ_MAX_INTERVAL            3600            // Maximum read interval
 #define SENSOR_INIT_INTERVAL                10000           // Try to re-init non-ready sensors every 10s
 
 #define SENSOR_REPORT_EVERY                 10              // Report every this many readings
 #define SENSOR_REPORT_MIN_EVERY             1               // Minimum every value
-#define SENSOR_REPORT_MAX_EVERY             12              // Maximum
+#define SENSOR_REPORT_MAX_EVERY             60              // Maximum
 
 #define SENSOR_USE_INDEX                    0               // Use the index in topic (i.e. temperature/0)
                                                             // even if just one sensor (0 for backwards compatibility)

code/html/index.html

@@ -1159,23 +1159,30 @@
                                 <div class="pure-g">
                                     <label class="pure-u-1 pure-u-lg-1-4">Read interval</label>
                                     <select class="pure-u-1 pure-u-lg-1-4" name="snsRead">
+                                        <option value="1">1 second</option>
                                         <option value="6">6 seconds</option>
                                         <option value="10">10 seconds</option>
                                         <option value="15">15 seconds</option>
                                         <option value="30">30 seconds</option>
                                         <option value="60">1 minute</option>
                                         <option value="300">5 minutes</option>
+                                        <option value="600">10 minutes</option>
+                                        <option value="900">15 minutes</option>
+                                        <option value="1800">30 minutes</option>
+                                        <option value="3600">60 minutes</option>
                                     </select>
                                     <div class="pure-u-0 pure-u-lg-1-2"></div>
                                     <div class="pure-u-0 pure-u-lg-1-4"></div>
                                     <div class="pure-u-1 pure-u-lg-3-4 hint">
-                                        Select the interval between readings. These will be filtered and averaged for the report. The default and recommended value is 6 seconds.
+                                        Select the interval between readings. These will be filtered and averaged for the report.
+                                        Please mind some sensors do not have fast refresh intervals. Check the sensor datasheet to know the minimum read interval.
+                                        The default and recommended value is 6 seconds.
                                     </div>
                                 </div>
 
                                 <div class="pure-g">
                                     <label class="pure-u-1 pure-u-lg-1-4">Report every</label>
-                                    <div class="pure-u-1 pure-u-lg-1-4"><input name="snsReport" class="pure-u-1" type="number" min="1" step="1" max="12" /></div>
+                                    <div class="pure-u-1 pure-u-lg-1-4"><input name="snsReport" class="pure-u-1" type="number" min="1" step="1" max="60" /></div>
                                     <div class="pure-u-0 pure-u-lg-1-2"></div>
                                     <div class="pure-u-0 pure-u-lg-1-4"></div>
                                     <div class="pure-u-1 pure-u-lg-3-4 hint">