Some ESP experiments; Raspi: Only write into the average table if avg values not zero

ESP8266/sensornode/sensornode.ino

@@ -3,6 +3,11 @@
 #include "aREST.h"
 #include <climits>
 
+//If the debug macro is enabled, there's a freeMemory routine
+//Check if this resolves the crashes...
+#define DEBUG_MODE 1
+
+
 //DHT settings:
 #define DHTPIN 14     // what digital pin we're connected to
 
@@ -13,12 +18,6 @@
 #define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
 //#define DHTTYPE DHT21   // DHT 21 (AM2301)
 
-// Connect pin 1 (on the left) of the sensor to +5V
-// NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1
-// to 3.3V instead of 5V!
-// Connect pin 2 of the sensor to whatever your DHTPIN is
-// Connect pin 4 (on the right) of the sensor to GROUND
-// Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor
 
 // Initialize DHT sensor.
 // Note that older versions of this library took an optional third parameter to
@@ -43,9 +42,12 @@ float temperature;
 float humidity;
 
 
-
 //milli counter
 unsigned long millitotal = 0;
+float millicounter = 0;
+
+//Temp variables
+float h, t;
 
 //First measurement
 bool firstmeasurement = true;
@@ -86,14 +88,14 @@ void setup() {
 
 void loop() {
   // Wait a few seconds between measurements.
-  float millicounter = millis();
+  millicounter = millis();
   
   if (millicounter >= millitotal) {
     // Reading temperature or humidity takes about 250 milliseconds!
     // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
-    float h = dht.readHumidity();
+    h = dht.readHumidity();
     // Read temperature as Celsius (the default)
-    float t = dht.readTemperature();
+    t = dht.readTemperature();
     
     // Check if any reads failed and exit early (to try again).
     if (isnan(h) || isnan(t)) {

README.md

@@ -27,10 +27,7 @@ and
 CREATE TABLE average_stats (id MEDIUMINT NOT NULL AUTO_INCREMENT, humidity FLOAT NOT NULL, temperature FLOAT NOT NULL, gm3 float not null, isoutside int not null, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (id) );
 ```
 
-
-
-
-Show all entries in table: `select * from stats;`
+Show all entries in table: `select * from stats;` or `select * from average_stats;`
 
 ### Compile & Install
 

RaspberryPi/main.c

@@ -116,10 +116,10 @@ int main(void) {
     float avgOutsideHumidity = avhum_in / outCount;
     
     //Insert the results into the database
-    if (isfinite(avgInsideHumidity) && isfinite(avgInsideTemperature)) {
+    if (isfinite(avgInsideHumidity) && isfinite(avgInsideTemperature) && avgInsideHumidity != 0 && avgInsideTemperature != 0) {
         insertDataAverages(avgInsideTemperature, avgInsideHumidity, absoluteHumidityFloat(avgInsideTemperature, avgInsideHumidity), 0);
     }
-    if (isfinite(avgOutsideHumidity) && isfinite(avgOutsideTemperature)) {
+    if (isfinite(avgOutsideHumidity) && isfinite(avgOutsideTemperature) && avgOutsideHumidity != 0 && avgOutsideTemperature != 0) {
         insertDataAverages(avgOutsideTemperature, avgOutsideHumidity, absoluteHumidityFloat(avgOutsideTemperature, avgOutsideHumidity), 1);
     }