v5.12.0e - Add command PowerDelta

5.12.0e
 * Add command PowerDelta 0..100 (percentage) to Energy
monitoring devices to report on active power load change (#2157)

sonoff/_releasenotes.ino

@@ -5,6 +5,7 @@
  * Add additional time offset to Wifi Retry based on device mac address (#2089)
  * Add command Color6 RRGGBB for Clock hour marker color and command Rotation pixels for Clock rotation (#2092)
  * Add HTML language header in local language (#2123)
+ * Add command PowerDelta 0..100 (percentage) to Energy monitoring devices to report on active power load change (#2157)
  * Fix MAX31850 higher temperatures (#1269)
  *
  * 5.12.0d

sonoff/i18n.h

@@ -275,6 +275,7 @@
 // Commands xdrv_03_energy.ino
 #define D_CMND_POWERLOW "PowerLow"
 #define D_CMND_POWERHIGH "PowerHigh"
+#define D_CMND_POWERDELTA "PowerDelta"
 #define D_CMND_VOLTAGELOW "VoltageLow"
 #define D_CMND_VOLTAGEHIGH "VoltageHigh"
 #define D_CMND_CURRENTLOW "CurrentLow"
@@ -359,6 +360,7 @@ enum UnitNames {
   UNIT_MILLISECOND,
   UNIT_MINUTE,
   UNIT_PPM,
+  UNIT_PERCENTAGE,
   UNIT_PRESSURE,
   UNIT_SECOND,
   UNIT_SECTORS,
@@ -376,6 +378,7 @@ const char kUnitNames[] PROGMEM =
   D_UNIT_MILLISECOND "|"
   D_UNIT_MINUTE "|"
   D_UNIT_PARTS_PER_MILLION "|"
+  "%|"
   D_UNIT_PRESSURE "|"
   D_UNIT_SECOND "|"
   D_UNIT_SECTORS "|"

sonoff/settings.h

@@ -149,9 +149,7 @@ struct SYSCFG {
   uint8_t       ledstate;                  // 2FB
   uint8_t       param[PARAM8_SIZE];        // 2FC was domoticz_in_topic until 5.1.6
   char          state_text[4][11];         // 313
-
+  uint8_t       energy_power_delta;        // 33F
-  byte          free_33F[1];               // 33F
-
   uint16_t      domoticz_update_timer;     // 340
   uint16_t      pwm_range;                 // 342
 

sonoff/settings.ino

@@ -509,6 +509,7 @@ void SettingsDefaultSet2()
 //    Settings.domoticz_switch_idx[i] = 0;
   }
 
+  Settings.energy_power_delta = 80;
   Settings.energy_power_calibration = HLW_PREF_PULSE;
   Settings.energy_voltage_calibration = HLW_UREF_PULSE;
   Settings.energy_current_calibration = HLW_IREF_PULSE;
@@ -889,6 +890,7 @@ void SettingsDelta()
     }
     if (Settings.version < 0x050C0005) {
       Settings.light_rotation = 0;
+      Settings.energy_power_delta = 80;
       char fingerprint[60];
       memcpy(fingerprint, Settings.mqtt_fingerprint, sizeof(fingerprint));
       char *p = fingerprint;

sonoff/sonoff.h

@@ -71,11 +71,12 @@ typedef unsigned long power_t;              // Power (Relay) type
 //#define PWM_FREQ               910          // 100..1000 Hz led refresh (iTead value)
 #define PWM_FREQ               880          // 100..1000 Hz led refresh (BN-SZ01 value)
 
-#define MAX_POWER_HOLD         10           // Time in SECONDS to allow max agreed power (Pow)
+#define DEFAULT_POWER_DELTA    80           // Power change percentage
-#define MAX_POWER_WINDOW       30           // Time in SECONDS to disable allow max agreed power (Pow)
+#define MAX_POWER_HOLD         10           // Time in SECONDS to allow max agreed power
-#define SAFE_POWER_HOLD        10           // Time in SECONDS to allow max unit safe power (Pow)
+#define MAX_POWER_WINDOW       30           // Time in SECONDS to disable allow max agreed power
-#define SAFE_POWER_WINDOW      30           // Time in MINUTES to disable allow max unit safe power (Pow)
+#define SAFE_POWER_HOLD        10           // Time in SECONDS to allow max unit safe power
-#define MAX_POWER_RETRY        5            // Retry count allowing agreed power limit overflow (Pow)
+#define SAFE_POWER_WINDOW      30           // Time in MINUTES to disable allow max unit safe power
+#define MAX_POWER_RETRY        5            // Retry count allowing agreed power limit overflow
 
 #define STATES                 20           // State loops per second
 #define SYSLOG_TIMER           600          // Seconds to restore syslog_level

sonoff/xdrv_03_energy.ino

@@ -29,12 +29,14 @@
 enum EnergyHardware { ENERGY_NONE, ENERGY_HLW8012, ENERGY_CSE7766, ENERGY_PZEM004T };
 
 enum EnergyCommands {
+  CMND_POWERDELTA,
   CMND_POWERLOW, CMND_POWERHIGH, CMND_VOLTAGELOW, CMND_VOLTAGEHIGH, CMND_CURRENTLOW, CMND_CURRENTHIGH,
   CMND_POWERCAL, CMND_POWERSET, CMND_VOLTAGECAL, CMND_VOLTAGESET, CMND_CURRENTCAL, CMND_CURRENTSET,
   CMND_ENERGYRESET, CMND_MAXENERGY, CMND_MAXENERGYSTART,
   CMND_MAXPOWER, CMND_MAXPOWERHOLD, CMND_MAXPOWERWINDOW,
   CMND_SAFEPOWER, CMND_SAFEPOWERHOLD, CMND_SAFEPOWERWINDOW };
 const char kEnergyCommands[] PROGMEM =
+  D_CMND_POWERDELTA "|"
   D_CMND_POWERLOW "|" D_CMND_POWERHIGH "|" D_CMND_VOLTAGELOW "|" D_CMND_VOLTAGEHIGH "|" D_CMND_CURRENTLOW "|" D_CMND_CURRENTHIGH "|"
   D_CMND_POWERCAL "|" D_CMND_POWERSET "|" D_CMND_VOLTAGECAL "|" D_CMND_VOLTAGESET "|" D_CMND_CURRENTCAL "|" D_CMND_CURRENTSET "|"
   D_CMND_ENERGYRESET "|" D_CMND_MAXENERGY "|" D_CMND_MAXENERGYSTART "|"
@@ -44,6 +46,7 @@ const char kEnergyCommands[] PROGMEM =
 float energy_voltage = 0;         // 123.1 V
 float energy_current = 0;         // 123.123 A
 float energy_power = 0;           // 123.1 W
+float energy_power_last = 0;
 float energy_power_factor = 0;    // 0.12
 float energy_daily = 0;           // 12.123 kWh
 float energy_total = 0;           // 12345.12345 kWh
@@ -679,6 +682,13 @@ void EnergyMarginCheck()
     }
   }
 
+  if (!jsonflg && Settings.energy_power_delta) {
+    float diff = abs(energy_power_last - energy_power);
+    float max_power = (energy_power_last > energy_power) ? energy_power_last : energy_power;
+    energy_power_last = energy_power;
+    if (((diff / max_power) * 100) > Settings.energy_power_delta) EnergyMqttShow();
+  }
+
 #if FEATURE_POWER_LIMIT
   // Max Power
   if (Settings.energy_max_power_limit) {
@@ -768,7 +778,14 @@ boolean EnergyCommand()
   unsigned long nvalue = 0;
 
   int command_code = GetCommandCode(command, sizeof(command), XdrvMailbox.topic, kEnergyCommands);
-  if (CMND_POWERLOW == command_code) {
+  if (CMND_POWERDELTA == command_code) {
+    if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload < 101)) {
+      Settings.energy_power_delta = (1 == XdrvMailbox.payload) ? DEFAULT_POWER_DELTA : XdrvMailbox.payload;
+    }
+    nvalue = Settings.energy_power_delta;
+    unit = UNIT_PERCENTAGE;
+  }
+  else if (CMND_POWERLOW == command_code) {
     if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload < 3601)) {
       Settings.energy_min_power = XdrvMailbox.payload;
     }