From: Steven Baltakatei Sandoval <baltakatei@gmail.com>
Date: Sat, 2 Oct 2021 03:00:10 +0000 (+0000)
Subject: fix(examples/a):Change display scale from kg/kg to g/kg
X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02-2.git/commitdiff_plain/eba03e3f2ea5a98a2e7bae4d229e0117fe619d9a?ds=inline

fix(examples/a):Change display scale from kg/kg to g/kg

- Note: [g water vapor / g dry air]
---

diff --git a/examples/all-in-one-enviro-mini-bk.py b/examples/all-in-one-enviro-mini-bk.py
index 8913cef..88c3475 100755
--- a/examples/all-in-one-enviro-mini-bk.py
+++ b/examples/all-in-one-enviro-mini-bk.py
@@ -99,7 +99,7 @@ def display_text(variable, data, unit):
 # Displays data and text on the 0.96" LCD
 def display_text2(variable, data, unit, values):
     # Scale the values for the variable between 0 and 1
-    print('DEBUG:len(values[' + str(variable) + ']):' + str(len(values[variable])))
+    #print('DEBUG:len(values[' + str(variable) + ']):' + str(len(values[variable])))
     #print('DEBUG:values[' + str(variable) + ']:' + str(values[variable]))
     vmin = min(values[variable])
     vmax = max(values[variable])
@@ -256,7 +256,7 @@ def pollSensors():
     #         now_temp_tuple (°C)
     #         now_pressure_tuple (hPa)
     #         now_humidity_tuple (%)
-    #         now_humidity_abs_tuple (g water vapor / kg dry air)
+    #         now_humidity_abs_gkg_tuple (g water vapor / kg dry air)
     #         now_illuminance_tuple (lux)
     # Depends: time, bme280, ltr559, get_cpu_temperature(), rel_to_abs()
 
@@ -264,7 +264,7 @@ def pollSensors():
     global now_temp_tuple
     global now_pressure_tuple
     global now_humidity_tuple
-    global now_humidity_abs_tuple
+    global now_humidity_abs_gkg_tuple
     global now_illuminance_tuple
     # Initialize
     cpu_temps = []
@@ -287,8 +287,9 @@ def pollSensors():
     # Calculate absolute humidity reading
     raw_temp_k = 273.15 + raw_temp; # convert sensor temp from degC to K
     now_pressure_pa = now_pressure * 100; # convert sensor pressure from hPa to Pa
-    now_humidity_abs = rel_to_abs(raw_temp_k,now_pressure_pa,now_humidity); # calc abs humidity
-    now_humidity_abs_tuple = (time.time_ns(), 'g/kg', now_humidity_abs);
+    now_humidity_abs = rel_to_abs(raw_temp_k, now_pressure_pa, now_humidity); # calc kg/kg abs humidity
+    now_humidity_abs_gkg = now_humidity_abs * 1000;
+    now_humidity_abs_gkg_tuple = (time.time_ns(), 'g/kg', now_humidity_abs_gkg);
     # Get light reading
     proximity = ltr559.get_proximity() # get proximity reading
     if proximity < 10:
@@ -386,7 +387,7 @@ def updateBuffer():
     global now_temp_tuple
     global now_pressure_tuple
     global now_humidity_tuple
-    global now_humidity_abs_tuple
+    global now_humidity_abs_gkg_tuple
     global now_illuminance_tuple
     global varLenBuffer
     global fixLenBuffer
@@ -400,7 +401,7 @@ def updateBuffer():
     #print('DEBUG:now_temp_tuple:' + str(now_temp_tuple))
     #print('DEBUG:now_pressure_tuple:' + str(now_pressure_tuple))
     #print('DEBUG:now_humidity_tuple:' + str(now_humidity_tuple))
-    #print('DEBUG:now_humidity_abs_tuple:' + str(now_humidity_abs_tuple))
+    #print('DEBUG:now_humidity_abs_gkg_tuple:' + str(now_humidity_abs_gkg_tuple))
     #print('DEBUG:now_illuminance_tuple:' + str(now_illuminance_tuple))    
 
     # Append new sensor tuples to varying-length buffer
@@ -411,7 +412,7 @@ def updateBuffer():
     ## Relative Humidity
     varLenBuffer[variables[2]].append(now_humidity_tuple)
     ## Absolute Humidity
-    varLenBuffer[variables[3]].append(now_humidity_abs_tuple)
+    varLenBuffer[variables[3]].append(now_humidity_abs_gkg_tuple)
     ## Illuminance
     varLenBuffer[variables[4]].append(now_illuminance_tuple)
     #print('DEBUG:varLenBuffer:' + str(varLenBuffer))
@@ -535,7 +536,15 @@ try:
             now_pressure = bme280.get_pressure() # get hPa from BME280 sensor
             now_pressure_pa = now_pressure * 100; # convert sensor pressure from hPa to Pa
             now_humidity = bme280.get_humidity() # get % relative humidity from BME280 sensor
-            data = rel_to_abs(raw_temp_k,now_pressure_pa,now_humidity); # calc abs humidity
+            now_humidity_abs = rel_to_abs(raw_temp_k,now_pressure_pa,now_humidity); # calc [kg water / kg dry air] abs humidity
+            now_humidity_abs_gkg = now_humidity_abs * 1000; # convert kg/kg to g/kg abs humidity
+            data = now_humidity_abs_gkg;
+            # print('DEBUG:raw_temp:' + str(raw_temp));
+            # print('DEBUG:raw_temp_k:' + str(raw_temp_k));
+            # print('DEBUG:now_pressure:' + str(now_pressure));
+            # print('DEBUG:now_pressure_pa:' + str(now_pressure_pa));
+            # print('DEBUG:now_humidity:' + str(now_humidity));
+            # print('DEBUG:now_humidity_abs_gkg:' + str(data));
             display_text2(variables[mode],data,unit,fixLenBuffer)
             
         if mode == 4: