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-rw-r--r--learning_examples/DSM501A-example-ehh-unreliable/DSM501A-example-ehh.ino65
1 files changed, 0 insertions, 65 deletions
diff --git a/learning_examples/DSM501A-example-ehh-unreliable/DSM501A-example-ehh.ino b/learning_examples/DSM501A-example-ehh-unreliable/DSM501A-example-ehh.ino
deleted file mode 100644
index 7852763..0000000
--- a/learning_examples/DSM501A-example-ehh-unreliable/DSM501A-example-ehh.ino
+++ /dev/null
@@ -1,65 +0,0 @@
-#include<string.h>
-#define PM1PIN 18 //DSM501A input D6 on ESP8266
-#define PM25PIN 14 // ???? what
-byte buff[2];
-unsigned long durationPM1;
-unsigned long durationPM25;
-unsigned long starttime;
-unsigned long endtime;
-unsigned long sampletime_ms = 30000;
-unsigned long lowpulseoccupancyPM1 = 0;
-unsigned long lowpulseoccupancyPM25 = 0;
-
-
-int i=0;
-void setup()
-{
- Serial.begin(9600);
- Serial.println("Starting please wait 30s");
- pinMode(PM1PIN,INPUT);
- pinMode(PM25PIN,INPUT);
- starttime = millis();
-}
-
-float calculateConcentration(long lowpulseInMicroSeconds, long durationinSeconds){
-
- float ratio = (lowpulseInMicroSeconds/1000000.0)/30.0*100.0; //Calculate the ratio
- float concentration = 0.001915 * pow(ratio,2) + 0.09522 * ratio - 0.04884;//Calculate the mg/m3
- Serial.print("lowpulseoccupancy:");
- Serial.print(lowpulseInMicroSeconds);
- Serial.print(" ratio:");
- Serial.print(ratio);
- Serial.print(" Concentration:");
- Serial.println(concentration);
- return concentration;
-}
-
-void loop()
-{
- durationPM1 = pulseIn(PM1PIN, LOW);
- durationPM25 = pulseIn(PM25PIN, LOW);
-
- lowpulseoccupancyPM1 += durationPM1;
- lowpulseoccupancyPM25 += durationPM25;
-
- endtime = millis();
- if ((endtime-starttime) > sampletime_ms) //Only after 30s has passed we calcualte the ratio
- {
- /*
- ratio1 = (lowpulseoccupancy/1000000.0)/30.0*100.0; //Calculate the ratio
- Serial.print("ratio1: ");
- Serial.println(ratio1);
-
- concentration = 0.001915 * pow(ratio1,2) + 0.09522 * ratio1 - 0.04884;//Calculate the mg/m3
- */
- float conPM1 = calculateConcentration(lowpulseoccupancyPM1,30);
- float conPM25 = calculateConcentration(lowpulseoccupancyPM25,30);
- Serial.print("PM1 ");
- Serial.print(conPM1);
- Serial.print(" PM25 ");
- Serial.println(conPM25);
- lowpulseoccupancyPM1 = 0;
- lowpulseoccupancyPM25 = 0;
- starttime = millis();
- }
-}