Filter off-limits in HLW8012 readings

code/espurna/config/hardware.h

@@ -58,7 +58,7 @@
     #define LED1_PIN_INVERSE    0
     #define BUTTON1_PIN         4
     #define BUTTON1_RELAY       1
-    #define BUTTON1_MODE        BUTTON_SWITCH
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
     #define ENABLE_POW          1
 
 // -----------------------------------------------------------------------------

code/espurna/config/sensors.h

@@ -118,8 +118,10 @@
 #define POW_ENERGY_TOPIC        "energy"
 #define POW_UPDATE_INTERVAL     5000
 #define POW_REPORT_EVERY        12
-#define POW_MIN_POWER           10
+#define POW_MIN_POWER           5
+#define POW_MAX_POWER           2500
 #define POW_MIN_CURRENT         0.05
+#define POW_MAX_CURRENT         10
 
 //--------------------------------------------------------------------------------
 // Internal power montior

code/espurna/pow.ino

@@ -96,25 +96,25 @@ void powReset() {
 
 unsigned int getActivePower() {
     unsigned int power = hlw8012.getActivePower();
-    if (power < POW_MIN_POWER) power = 0;
+    if (POW_MIN_POWER > power || power > POW_MAX_POWER) power = 0;
     return power;
 }
 
 unsigned int getApparentPower() {
     unsigned int power = hlw8012.getApparentPower();
-    if (power < POW_MIN_POWER) power = 0;
+    if (POW_MIN_POWER > power || power > POW_MAX_POWER) power = 0;
     return power;
 }
 
 unsigned int getReactivePower() {
     unsigned int power = hlw8012.getReactivePower();
-    if (power < POW_MIN_POWER) power = 0;
+    if (POW_MIN_POWER > power || power > POW_MAX_POWER) power = 0;
     return power;
 }
 
 double getCurrent() {
     double current = hlw8012.getCurrent();
-    if (current < POW_MIN_CURRENT) current = 0;
+    if (POW_MIN_CURRENT > current || current > POW_MAX_CURRENT) power = 0;
     return current;
 }