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| author | Qrius <[email protected]> | 2024-12-12 19:57:28 +0100 |
|---|---|---|
| committer | Qrius <[email protected]> | 2024-12-12 19:57:28 +0100 |
| commit | 0c587af8de3f160a0136dc145fcd5eded72f02d1 (patch) | |
| tree | 178299912c8b02ad1a00f010fa725579acccde19 /hydroponics_broker.ino | |
| parent | ecbf17105fcea50742ae156704d21c5e4ff5a843 (diff) | |
| download | hydroponics_broker-master.tar.gz hydroponics_broker-master.zip | |
Diffstat (limited to 'hydroponics_broker.ino')
| -rw-r--r-- | hydroponics_broker.ino | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/hydroponics_broker.ino b/hydroponics_broker.ino index a22bd42..a2e0b43 100644 --- a/hydroponics_broker.ino +++ b/hydroponics_broker.ino @@ -10,11 +10,11 @@ #define SENSOR_SAMPLE_INTERVAL 5000 #define MQTT_PUSH_INTERVAL 60000 -#define SAMPLE_HISTORY_N 60 // 60*5s => 5m running average +#define SAMPLE_HISTORY_N 20 // 60*5s => 5m running average #define PIN_ONEWIRE 4 #define PIN_TDS 34 #define VREF 3.3 -float ec_calibration = 1.0f; +float ec_calibration = 0.98f; #define CTEMP temperatures[sensors_current_i] #define CTDS tds[sensors_current_i] @@ -67,11 +67,11 @@ const char *serverIndex PROGMEM = "div {display:flex;gap:1em;}" "</style></head>" "<body>" - "<div><strong>Sensors</strong><span>Initialized: <em>%d</em></span><span>Last sample: <em>%dms</em> ago</span></div><hr>" + "<div><strong>Sensors</strong><span>Initialized: <em>%d</em></span><span>Last sample: <em>%.1fs</em> ago</span></div><hr>" "<div><strong>Temperature</strong><span><em>%.1fC</em> ~ <em>%.1fC</em></span><span>MQTT: <em>%d</em></span></div><hr>" "<div><strong>TDS</strong><span><em>%.0f</em> ~ <em>%.0f</em></span><span>MQTT: <em>%d</em></span></div><hr>" "<div><strong>EC</strong><span><em>%.1f</em> ~ <em>%.1f</em></span><span>MQTT: <em>%d</em></span></div><hr>" - "<div><strong>MQTT</strong><span>Last <em>%dms</em> ago</span></div><hr>" + "<div><strong>MQTT</strong><span>Last <em>%.1fs</em> ago</span></div><hr>" "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>" "</body>" "</html>"; @@ -135,11 +135,11 @@ void setup() { char buffer[strlen(serverIndex)+64]; sprintf( buffer, serverIndex, - sensors_initialized, now - lastSensorSample, + sensors_initialized, (now - lastSensorSample)/1000, CTEMP, temperatures_average, temperature_mqtt_last_publish_status, CTDS, tds_average, tds_mqtt_last_publish_status, CEC, ec_average, ec_mqtt_last_publish_status, - now - lastMqttPublish + (now - lastMqttPublish)/1000 ); server.send(200, "text/html", buffer); }); @@ -190,7 +190,8 @@ void updateSensorValues() { temperatures_total -= CTEMP; CTEMP = sensors.getTempCByIndex(0); temperatures_total += CTEMP; - temperatures_average = temperatures_total / SAMPLE_HISTORY_N; + //temperatures_average = temperatures_total / SAMPLE_HISTORY_N; + temperatures_average = getMedianNum(temperatures, SAMPLE_HISTORY_N); // TDS 1/EC 1 ec_total -= CEC; @@ -286,3 +287,26 @@ int getMedianNum(int bArray[], int iFilterLen){ } return bTemp; } + +float fgetMedianNum(float bArray[], int iFilterLen){ + float bTab[iFilterLen]; + for (byte i = 0; i<iFilterLen; i++) + bTab[i] = bArray[i]; + int i, j, bTemp; + for (j = 0; j < iFilterLen - 1; j++) { + for (i = 0; i < iFilterLen - j - 1; i++) { + if (bTab[i] > bTab[i + 1]) { + bTemp = bTab[i]; + bTab[i] = bTab[i + 1]; + bTab[i + 1] = bTemp; + } + } + } + if ((iFilterLen & 1) > 0){ + bTemp = bTab[(iFilterLen - 1) / 2]; + } + else { + bTemp = (bTab[iFilterLen / 2] + bTab[iFilterLen / 2 - 1]) / 2; + } + return bTemp; +} |