REDME.md

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+# Show output on terminal #
+`minicom -b 115200 -o -D /dev/cu.usbmodem3301`
+

grow_system.py

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+import time
+from moisture_sensor import MoistureSensor
+
+
+class GrowSystem:
+
+    moisture_sensor = None
+
+    most_recent_values = {}
+
+    def __init__(self, settings):
+        print("hello from GrowSystem")
+        print(settings)
+        if not self.moisture_sensor:
+            self.moisture_sensor = MoistureSensor(settings['moisture_sensor'])
+
+    def start(self):
+        print("Start reading sensors ...")
+        while True:
+            self.moisture_sensor.read()
+            self.most_recent_values['moisture_sensor'] = self.moisture_sensor.most_recent_value
+            print(self.most_recent_values)
+            time.sleep(1)
+

main.py

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-# This is a sample Python script.
+# GrowSystem
+# Author: Maik Müller (maik@muelleronlineorg)
 
-# Press ⌃R to execute it or replace it with your code.
-# Press Double ⇧ to search everywhere for classes, files, tool windows, actions, and settings.
-
-
-def print_hi(name):
-    # Use a breakpoint in the code line below to debug your script.
-    print(f'Hi, {name}')  # Press ⌘F8 to toggle the breakpoint.
+# WIP!
+# This file should do only:
+# - provide constants for settings
+# - eventually necessary system settings
+# - Call base class, permitting the configured constants
+from grow_system import GrowSystem
 
+settings = {
+    'wlan_ssid': 'Oppa-95.lan',
+    'wlan_pw': '95%04-MM',
+    'led_pin_int': 15,
+    'moisture_sensor': {
+        'pin_int': 26
+    },
+    'pump_pin_int': 24
+}
 
 # Press the green button in the gutter to run the script.
 if __name__ == '__main__':
-    print_hi('PyCharm')
+    print("Start grow system")
+    gs = GrowSystem(settings)
+    gs.start()
 
-# See PyCharm help at https://www.jetbrains.com/help/pycharm/
+    # See PyCharm help at https://www.jetbrains.com/help/pycharm/

moisture_sensor.py

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+# Moisture Sensor Class
+from machine import ADC, Pin
+
+
+class MoistureSensor:
+    moisture_sensor_pin_int = -1
+
+    moisture_sensor = None
+
+    most_recent_value = -1
+
+    def __init__(self, moisture_sensor_data):
+        self.moisture_sensor_pin_int = moisture_sensor_data['pin_int']
+        print("Hello from moisture sensor. Sensor pin is: " + str(self.moisture_sensor_pin_int))
+        self.moisture_sensor = ADC(Pin(self.moisture_sensor_pin_int))
+
+    def read(self):
+        self.most_recent_value = self.moisture_sensor.read_u16()
+
+
+

notes/code_sample_moisture_sensor.txt

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+from machine import Pin, ADC
+import time
+import network
+import urequests
+import statistics
+import secrets
+sensor = ADC(Pin(26))
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+wlan.connect(secrets.SSID, secrets.PASSWORD)
+time.sleep(5)
+print(wlan.isconnected())
+readings = []
+try:
+   while True:
+       for i in range(5):
+           reading = sensor.read_u16()
+           readings.append(reading)
+           print(readings)
+           time.sleep(1)
+       median_value = statistics.median(readings)
+       if median_value < 400:
+           urequests.get("https://api.telegram.org/bot"+secrets.API+"/sendMessage?text=Gary is thirsty&chat_id="+secrets.ID)
+           print("Message Sent")
+       else:
+           print("Gary has enough water")
+       time.sleep(3600)
+except OSError:
+   print("@"*68)
+   print("@ Cannot connect to the Wi-Fi, please check your SSID and PASSWORD @")
+print("@"*68)

wlan.py

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+import machine
+import network
+import time
+
+# network.country('DE')
+
+
+class WlanClient:
+
+    ssid = ''
+    pw = ''
+    wlan = network.WLAN(network.STA_IF)
+    # Status-LED
+    led_onboard = machine.Pin('LED', machine.Pin.OUT)
+    led_onboard.value(False)
+
+    def __init__(self, ssid, pw):
+        self.ssid = ssid
+        self.pw = pw
+
+    def connect(self):
+        if not self.isConnected():
+            print('No WLAN connected. Connecting ...')
+            self.wlan.active(True)
+            self.wlan.connect(self.ssid, self.pw)
+            for i in range(10):
+                if self.wlan.status() < 0 or self.wlan.status() >= 3:
+                    break
+                led_value = self.led_onboard.value() == 1
+                self.led_onboard.value(led_value)
+
+    def isConnected(self):
+        return self.wlan.isconnected()