flow sensor calibration

include/flow.h

@@ -20,7 +20,7 @@ void flow_setup() {
 }
 
 void flow_loop(unsigned long loopmillis) {
-     if (loopmillis>=last_read_flow+READINTERVAL_FLOW) {
+  if (loopmillis>=last_read_flow+READINTERVAL_FLOW) {
     flow=flow_counter*1000.0/(loopmillis-last_read_flow)/2.0; //Frequency [Hz]
     flow/=flow_factor; //[L/min]
   

src/main.cpp

@@ -85,18 +85,19 @@ void loop() {
   flag_print=false;
 
   
-  ec_loop(loopmillis);
+  
+  //ec_loop(loopmillis);
   
 
-  temperature_loop(loopmillis);
+  //temperature_loop(loopmillis);
 
   
-  waterlevel_loop(loopmillis);
+  //waterlevel_loop(loopmillis);
 
 
   flow_loop(loopmillis);
 
-  sm_loop(loopmillis);
+  //sm_loop(loopmillis);
  
 
   static bool getReading=false;
@@ -108,8 +109,42 @@ void loop() {
     digitalWrite(PIN_LED,HIGH);
   }
 
+  static bool started=false;
+  static bool ended=false;
+  static unsigned long started_time=0;
+  static unsigned long ended_time=0;
 
-  if (loopmillis>last_print+2000) { 
+  
+  if (flow_counter_sum>10 && !started && !ended) { //start
+    started=true;
+    started_time=millis();
+    Serial.println("Started!");
+  }
+  static uint32_t last_flow_counter_sum=0;
+  if (loopmillis>last_print+1000) { //test check
+    last_print=loopmillis;
+    if (started && !ended) {
+      Serial.println(flow_counter_sum-last_flow_counter_sum);
+      if (flow_counter_sum-last_flow_counter_sum<=2){ //stopped
+        ended=true;
+        ended_time=millis();
+        Serial.println("Ended!");
+      }
+      
+      last_flow_counter_sum=flow_counter_sum;
+      
+    } 
+    if (ended) {
+      Serial.println("counts,time");
+      Serial.print(flow_counter_sum);
+      Serial.print(",");
+      Serial.print((ended_time-started_time)/1000.0);
+      Serial.println();
+      delay(10000);
+    }
+  }
+  
+  if (loopmillis>last_print+2000 && 1==2) { 
     //if (ec_flag_measurement_available && getReading) {
     if (ec_flag_measurement_available) {
       last_print=loopmillis;
@@ -119,6 +154,7 @@ void loop() {
 
 
       Serial.print(millis()/1000.0,2); Serial.print(",");
+      /*
       Serial.print(getMeanf(tempCmean_reservoir,TEMPMEAN_SIZE)); Serial.print(",");
       //Serial.print(getMean(sm_mean,SM_SIZE)); Serial.print(",");
       
@@ -127,6 +163,8 @@ void loop() {
       Serial.print(ec_adc_adjusted); //Serial.print(",");
       //Serial.print(ec); Serial.print(",");
       //Serial.print(ec25);
+      */
+
       
       
       Serial.println();