Diff: T_H_soil.cpp

Revision:

59:6d48aee9f7d5

Child:

60:8b65fdf54d56

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/T_H_soil.cpp	Mon Oct 08 21:36:02 2018 +0000
@@ -0,0 +1,54 @@
+#include "T_H_soil.h"
+
+bool initSoilTemp(DS1820& probe, PinName pin)
+{
+    //check that a DS1820 is connected at its port and init it
+    return probe.unassignedProbe(pin);
+}
+
+float getSoilTemperature(DS1820& probe)
+{
+    bool wait(true);// if true, waits up to 750ms before returning
+    //return the ms_delay until the conversion will complete (=0 if wait == true)
+    int ms_delay = probe.convertTemperature(wait, DS1820::this_device);
+    if(ms_delay > 0)
+        wait_ms(ms_delay);
+        
+    //grab and return the conversion result
+    return probe.temperature();
+}
+
+float getSoilHumidity(AnalogIn& probe, float& airValue, float& waterValue, bool adaptiveCalibration)
+{
+        float HumidSensorVal = probe.read();
+        float onePercent = (airValue - waterValue)/100;
+        float humidityPercentage = 100-(HumidSensorVal-waterValue)/onePercent;
+        if(humidityPercentage < 0 && adaptiveCalibration)// in case its drier than we expected at max
+        {
+            humidityPercentage = 0;
+            airValue = HumidSensorVal;
+        }
+        else if(humidityPercentage > 100 && adaptiveCalibration)// in case its wetter than we expected at max
+        {
+            humidityPercentage = 100;
+            waterValue = HumidSensorVal;
+        }
+    return humidityPercentage;
+}
+/*
+int main() {
+    if(probe.unassignedProbe(PA_5))
+            pc.printf("unassigned Probe");
+    float airH = 0.77, waterH = 0.38;
+    float onePercent = (airH - waterH)/100;
+    while(1) {
+            
+        probe.convertTemperature(true, DS1820::this_device);
+        /*while(temp == DS1820::invalid_conversion)
+            temp = probe.temperature();
+        float temp = probe.temperature();
+        
+        
+        pc.printf("Soil ## T:%.2foC ## H:.2%f | calcH :%.2f%% ##\r\n", temp, humidSensor.read(), humidityPercentage);
+        wait(1);
+    }*/