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Implement plausibility check for values before publishing

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bzi 2019-02-28 20:42:39 +01:00
parent f8d57832cd
commit 7208a6d324
1 changed files with 16 additions and 8 deletions
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24
envisens/envisens_esp_fw/envisens_esp_fw.ino
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@ -22,7 +22,7 @@
#define DIFF_TEMP 0.3 // sensor has only 0.5°C accuracy, triggering on less is ludicrous #define DIFF_TEMP 0.3 // sensor has only 0.5°C accuracy, triggering on less is ludicrous
#define DIFF_HMID 2.5 // humidity doesn't change that much anyways #define DIFF_HMID 2.5 // humidity doesn't change that much anyways
#define DIFF_HEAT 0.2 // this one's actually quite active #define DIFF_HEAT 0.2 // this one's actually quite active
#define DIFF_AIRQ 5 #define DIFF_AIRQ 3 // this one hardly changes
float hmid = 0; // humidity float hmid = 0; // humidity
float hmid_r = 0; // humidity float hmid_r = 0; // humidity
@ -95,26 +95,34 @@ void reconnect() {
} }
} }
bool checkBound(float newValue, float prevValue, float maxDiff) { bool checkVariation(float newValue, float prevValue, float maxDiff) {
return !isnan(newValue) && return !isnan(newValue) &&
(newValue < prevValue - maxDiff || newValue > prevValue + maxDiff); (newValue < prevValue - maxDiff || newValue > prevValue + maxDiff);
} }
bool checkPlausibility(float newValue, float prevValue, float maxDiff) {
return (newValue < prevValue + (maxDiff * 10) || newValue > prevValue - (maxDiff * 10));
}
long lastMsg = 0; long lastMsg = 0;
long lastSent = 0; long lastSent = 0;
bool published = false; bool published = false;
bool forcePublish = false; bool forcePublish = false;
bool publish (String desc, char *topic, float val, float &val_r, int diff, bool force){ bool publish (String desc, char *topic, float val, float &val_r, int diff, bool force){
if (checkBound(val, val_r, 0.3) or force) { bool retval = false;
val_r = val; if (checkVariation(val, val_r, diff) or force) {
Serial.print("New " + desc + ": "); val_r = val;
Serial.println(String(val).c_str()); Serial.print("New " + desc + ": ");
Serial.println(String(val).c_str());
if (checkPlausibility(val, val_r, diff) or force) {
client.publish(topic, String(val).c_str(), true); client.publish(topic, String(val).c_str(), true);
return true; retval = true;
} else { } else {
return false; Serial.println("** ERROR: Value out of bounds, not published **");
} }
}
return retval;
} }
void loop() { void loop() {