activation working so far

classes/http_request.py

@@ -0,0 +1,72 @@
+import json
+import ure as re
+
+
+class HttpRequest:
+    
+    METHOD = {
+        "GET": "GET",
+        "POST": "POST"
+        }
+    
+    method = ''
+    path = ''
+    raw_content = ''
+    headers = {}
+    
+    def __init__(self, request):
+        self.original_request = request
+        # self.method = method
+        # self.path = path
+        # self.headers = headers
+        # self.raw_content = content
+        print("http request initialized")
+        self.parse_request(request)
+        
+    def parse_request(self, request):
+        # Split the request into lines
+        lines = request.decode().split('\r\n')
+        
+        # Extract method, path, and HTTP version from the first line
+        self.method, self.path, _ = lines[0].split()
+
+        # Parse headers
+        for line in lines[1:]:
+            if not line:
+                break  # Empty line indicates end of headers
+            key, value = line.split(': ', 1)
+            self.headers[key] = value
+        
+        # Content is assumed to be in the last line
+        self.raw_content = lines[-1]
+        
+    def get_content_json(self):
+        # Parse the POST request content into a dictionary
+        parsed_content = {}
+        pairs = self.raw_content.split('&')
+        for pair in pairs:
+            key, value = pair.split('=')
+            parsed_content[key] = value
+
+        # Encode the values in the dictionary
+        encoded_content = {}
+        for key, value in parsed_content.items():
+            encoded_value = re.sub(r'%([0-9A-Fa-f]{2})', lambda m: chr(int(m.group(1), 16)), value)
+            encoded_content[key] = encoded_value
+        
+        return encoded_content
+        
+    def __str__(self):
+     return {
+         "method": self.method,
+         "headers": self.headers,
+         "content": self.raw_content,
+         "content_json": self.get_content_json()
+         }
+
+    
+    
+    
+
+
+

config/app.py

@@ -0,0 +1 @@
+api_url = 'https://growsystem.muellerdev.kozow.com/api/'

dev_pi_pico_2405041205/ambilight_sensor.py

@@ -0,0 +1,34 @@
+from sensors import Sensors
+from machine import Pin, I2C
+from utime import sleep
+from lib.bh1750 import BH1750
+
+
+class AmbilightSensor(Sensors):
+
+
+    most_recent_values = []
+
+    def __init__(self, settings):
+        super().__init__(settings)
+        print(settings) # TODO remove
+        self.sensor_pin_int = settings['pin_int']
+        # self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
+        self.sensor = BH1750(I2C(0, sda=Pin(settings['pin_int_sda']), scl=Pin(settings['pin_int_scl'])))
+
+    def read(self):
+        try:
+            measurement = self.sensor.luminance(BH1750.ONCE_HIRES_1)
+            print("ambilight ..")
+            print(measurement)
+            self.most_recent_values = [
+                {
+                    'type': 'ambilight',
+                    'value': measurement,
+                    'unit': '-'
+                },
+            ]
+        except OSError:
+            print('Ambilight Error reading temperature/humidity. Check wires')
+            print()
+

dev_pi_pico_2405041205/bh1750.py

@@ -0,0 +1,62 @@
+"""
+Micropython BH1750 ambient light sensor driver.
+* https://github.com/PinkInk/upylib/tree/master/bh1750
+"""
+
+from utime import sleep_ms
+
+
+class BH1750():
+    """Micropython BH1750 ambient light sensor driver."""
+
+    PWR_OFF = 0x00
+    PWR_ON = 0x01
+    RESET = 0x07
+
+    # modes
+    CONT_LOWRES = 0x13
+    CONT_HIRES_1 = 0x10
+    CONT_HIRES_2 = 0x11
+    ONCE_HIRES_1 = 0x20
+    ONCE_HIRES_2 = 0x21
+    ONCE_LOWRES = 0x23
+
+    # default addr=0x23 if addr pin floating or pulled to ground
+    # addr=0x5c if addr pin pulled high
+    def __init__(self, bus, addr=0x23):
+        self.bus = bus
+        self.addr = addr
+        self.off()
+        self.reset()
+
+    def off(self):
+        """Turn sensor off."""
+        self.set_mode(self.PWR_OFF)
+
+    def on(self):
+        """Turn sensor on."""
+        self.set_mode(self.PWR_ON)
+
+    def reset(self):
+        """Reset sensor, turn on first if required."""
+        self.on()
+        self.set_mode(self.RESET)
+
+    def set_mode(self, mode):
+        """Set sensor mode."""
+        self.mode = mode
+        self.bus.writeto(self.addr, bytes([self.mode]))
+
+    def luminance(self, mode):
+        """Sample luminance (in lux), using specified sensor mode."""
+        # continuous modes
+        if mode & 0x10 and mode != self.mode:
+            self.set_mode(mode)
+        # one shot modes
+        if mode & 0x20:
+            self.set_mode(mode)
+        # earlier measurements return previous reading
+        sleep_ms(24 if mode in (0x13, 0x23) else 180)
+        data = self.bus.readfrom(self.addr, 2)
+        factor = 2.0 if mode in (0x11, 0x21) else 1.0
+        return (data[0]<<8 | data[1]) / (1.2 * factor)

dev_pi_pico_2405041205/device_info.py

@@ -3,10 +3,45 @@ import network
 
 class DeviceInfo:
     
+    # Device Infos
     name = "Dev Device 1"
     
     token = "PC]-0Bmp83h7F5#U!D6KJ(A&"
     
+    server_url = 'api.growsystem.muelleronline.org'
+    
+    wlan_ssid = 'Oppa-95.lan'
+    wlan_pw = '95%04-MM'
+
+    sensors = [
+        {
+            'type': 'moisture',
+            'pin_int': 26
+        },
+        {
+            'type': 'ambilight',
+            'pin_int': 8, # for compatibility only
+            'pin_int_sda': 8,
+            'pin_int_scl': 9
+        },
+        
+        
+       # {
+       #     'type': 'dht22',
+       #     'pin_int': 15
+       #     }
+        ]
+    
+    engines = [
+        {
+            'type': 'pump',
+            'pins': [15]
+            }
+        ]
+    
+    read_secs = 5
+    # Device Infos End
+    
     wlan = network.WLAN(network.STA_IF)
     
     def get_macaddress(self):

dev_pi_pico_2405041205/dht22.py

@@ -1,32 +1,33 @@
+from sensors import Sensors
 from dht import DHT22
 from machine import ADC, Pin
 
 
-class TemperatureHumiditySensor:
+class TemperatureHumiditySensor(Sensors):
-    dht22_sensor_pin_int = -1
 
-    dht22_sensor = None
+    sensor = None
 
     most_recent_values = []
 
     def __init__(self, settings):
-        print("Hello from dht22 sensor  class")
+        super().__init__(settings)
+        print("Initialize dht22 sensor. Sensor pin is: " + str(settings['pin_int']))
         print(settings)
-        self.dht22_sensor_pin_int = settings['pin_int']
+        self.sensor_pin_int = settings['pin_int']
-        self.dht22_sensor = DHT22(Pin(self.dht22_sensor_pin_int, Pin.IN, Pin.PULL_UP))
+        self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
 
     def read(self):
         try:
-            self.dht22_sensor.measure()
+            self.sensor.measure()
             self.most_recent_values = [
                 {
                     'type': 'temperature',
-                    'value': self.dht22_sensor.temperature(),
+                    'value': self.sensor.temperature(),
                     'unit': 'C'
                 },
                 {
                     'type': 'humidity',
-                    'value': self.dht22_sensor.humidity(),
+                    'value': self.sensor.humidity(),
                     'unit': '%'
                 }
             ]

dev_pi_pico_2405041205/engine.py

@@ -0,0 +1,23 @@
+from machine import Pin
+
+
+class Engine():
+    
+    pins = []
+    
+    engine = None
+    
+    def __init__(self, engine):
+        print("Hello from Engine parent class")
+        print(engine)
+        self.pins = engine['pins']
+        self.engine = Pin(self.pins[0], Pin.OUT)
+        
+    def on(self):
+        print("engine on")
+        self.engine.value(1)
+        
+    def off(self):
+        print("engine off")
+        self.engine.value(0)
+

dev_pi_pico_2405041205/grow_system.py

@@ -0,0 +1,96 @@
+import time
+from moisture_sensor import MoistureSensor
+from dht22 import TemperatureHumiditySensor
+from ambilight_sensor import AmbilightSensor
+from pump import Pump
+from sensor_data_manager import SensorDataManager
+from grow_system_api import GrowSystemApi
+from device_info import DeviceInfo
+
+
+class GrowSystem:
+
+    grow_system_api = GrowSystemApi()
+    
+    # moisture_sensor = None
+    # temperature_humidity_sensor = None
+
+    sensors = []
+    
+    engines = []
+
+    most_recent_values = []
+    
+    sensor_data_manager = None
+    
+    device_id = None
+    
+    device_info = DeviceInfo()
+
+    def __init__(self, settings):
+        # Init sensors
+        for sensor in self.device_info.sensors:
+            print("")
+            print("Initialize sensor:")
+            print(sensor)
+            sensor_type = sensor['type']
+            if sensor_type == 'moisture':
+                print("Found sensor of type moisture")
+                self.sensors.append(MoistureSensor(sensor))
+            elif sensor_type == 'dht22':
+                print("Found sensor of type DHT22")
+                self.sensors.append(TemperatureHumiditySensor(sensor))
+            elif sensor_type == 'ambilight':
+                print("Found sensor of type GY302/BH1750")
+                self.sensors.append(AmbilightSensor(sensor))
+            else:
+                print("No sensor type configured for: " + sensor['type'])
+                
+        # Init engines
+        for engine in self.device_info.engines:
+            print("")
+            print("Initialize engine:")
+            print(engine)
+            engine_type = engine['type']
+            if engine_type == 'pump':
+                print("Found egine of type pump")
+                self.engines.append(Pump(engine))
+                self.engines[0].on()
+                time.sleep(15)
+                self.engines[0].off()
+                
+            
+        #if not self.moisture_sensor:
+        #    self.moisture_sensor = MoistureSensor(settings['moisture_sensor'])
+
+        #if not self.temperature_humidity_sensor:
+        #    self.temperature_humidity_sensor = TemperatureHumiditySensor(settings['temperature_humidity_sensor'])
+
+    def start(self):
+        print("Say the server hello...")
+        result = self.grow_system_api.say_hello()
+        message = result['message']
+                
+        if message != 'OK':
+            print("Device not activated. Stopping")
+            return
+        
+        self.device_id = result['data']['device_id']
+        self.sensor_data_manager = SensorDataManager(self.device_id)
+        
+        print("Start reading sensors ...")
+        while True:
+            # Reset data
+            self.most_recent_values = []
+            
+            for sensor in self.sensors:
+                print("Read sensor of type " + sensor.type + " at pin " + str(sensor.sensor_pin_int))
+                sensor.read()
+                for measurement in sensor.most_recent_values:
+                    print(f"Got {measurement['value']} {measurement['unit']} ({measurement['type']})")
+                self.most_recent_values = self.most_recent_values + sensor.most_recent_values
+
+            self.sensor_data_manager.handleData(self.most_recent_values)
+            
+            time.sleep(self.device_info.read_secs)
+

dev_pi_pico_2405041205/grow_system_api.py

@@ -9,18 +9,20 @@ class GrowSystemApi:
     
     device_info = DeviceInfo()
     
-    base_url = 'api.growsystem.muellerdev.kozow.com'
+    base_url = ''
+    
+    def __init__(self):
+        self.base_url = self.device_info.server_url
          
     def say_hello(self):
-        data = self._get_device_data()
+        response = self.http_client.post(self.base_url + "/api/device", self._get_device_data())
-        response = self.http_client.post(self.base_url + "/api/device", data)
+        print(response.text)
         jsonResult = json.loads(response.text)
         print(jsonResult)
         return jsonResult;
     
     def send_measurements(self, device_id, data):
         url = self.base_url + "/api/device/" + str(device_id) + "/sensor-log"
-        print(url)
         response = self.http_client.post(url, data)
         return json.loads(response.text)
             

dev_pi_pico_2405041205/http_client.py

@@ -0,0 +1,35 @@
+import urequests
+import json
+
+class HTTPClient:
+    def __init__(self):
+        pass
+
+    def get(self, url):
+        url = 'https://' + url
+        try:
+            # headers = {'Content-Type': 'application/json'}
+            response = urequests.get(url)
+            if response.status_code == 200:
+                print("Data sent, got response")
+                return response
+            else:
+                print("Failed to get data. Status code:", response.status_code)
+        except Exception as e:
+            print("Exception occurred:", e)
+            
+    def post(self, url, data):
+        url = 'https://' + url
+        try:
+            headers = {'Content-Type': 'application/json', 'Accept': 'application/json, text/plain, */*'}
+            json_data = json.dumps(data)
+            print("Send post request to: " + url)
+            response = urequests.post(url, data=json_data, headers=headers)
+            if response.status_code == 200:
+                return response
+            else:
+                print("Failed to send data. Status code:", response.status_code)
+                print(response.text)
+        except Exception as e:
+            print("Exception occurred:", e)
+            

dev_pi_pico_2405041205/main.py

@@ -0,0 +1,57 @@
+# GrowSystem
+# Author: Maik Müller (maik@muelleronlineorg)
+
+# WIP!
+# This file should do only:
+# - provide constants for settings
+# - eventually necessary system settings
+# - init wlan connection
+# - Call base class, permitting the configured constants
+import network
+import urequests
+from grow_system import GrowSystem
+from wlan import WlanClient
+from http_client import HTTPClient
+from device_info import DeviceInfo
+
+
+settings = {
+    'wlan_ssid': 'Oppa-95.lan',
+    'wlan_pw': '95%04-MM',
+    'moisture_sensor': {
+        'pin_int': 26
+    },
+    'temperature_humidity_sensor': {
+        'pin_int': 15
+    },
+    'pump_pin_int': 24
+}
+
+
+def wlan_scan():
+    # Client-Betrieb
+    wlan = network.WLAN(network.STA_IF)
+    # WLAN-Interface aktivieren
+    wlan.active(True)
+    # WLANs ausgeben 
+    found_wlans = wlan.scan()
+    return found_wlans
+
+
+# Press the green button in the gutter to run the script.
+if __name__ == '__main__':
+    #print(wlan_scan())
+    print("Connect WLAN")
+    wlanClient = WlanClient(settings['wlan_ssid'], settings['wlan_pw'])
+    wlanClient.connect()
+    print("")
+    
+    di = DeviceInfo()
+    print("Device Infos:")
+    print(di.get_all_device_infos())
+    print("")
+    
+    print("Start grow system")
+    gs = GrowSystem(settings)
+    gs.start()
+

dev_pi_pico_2405041205/moisture_sensor.py

@@ -0,0 +1,39 @@
+# Moisture Sensor Class
+from sensors import Sensors
+from machine import ADC, Pin
+
+
+class MoistureSensor(Sensors):
+    
+    sensor = None
+
+    most_recent_values = []
+    
+    min_raw_value = None
+    max_raw_value = None
+
+    def __init__(self, sensor_data, min_raw_value=300, max_raw_value=65535):
+        super().__init__(sensor_data)
+        print("Initialize moisture sensor. Sensor pin is: " + str(sensor_data['pin_int']))
+        self.sensor_pin_int = sensor_data['pin_int']
+        self.min_raw_value = min_raw_value
+        self.max_raw_value = max_raw_value
+        self.sensor = ADC(Pin(self.sensor_pin_int))
+
+    def read(self):
+        self.most_recent_values = [
+            {
+                'type': 'moisture',
+                'value': self.convert_to_moisture_percentage(self.sensor.read_u16()),
+                'unit': '%'
+            },
+        ]
+
+    def normalize_sensor_value(self, raw_value):
+        return (raw_value - self.min_raw_value) / (self.max_raw_value - self.min_raw_value)
+
+    def convert_to_moisture_percentage(self, raw_value):
+        normalized_value = self.normalize_sensor_value(raw_value)
+        return round(100 - normalized_value * 100, 1)
+    
+    

dev_pi_pico_2405041205/pump.py

@@ -0,0 +1,7 @@
+from engine import Engine
+
+
+class Pump(Engine):
+    
+    def __init__(self, engine):
+        super().__init__(engine)

dev_pi_pico_2405041205/sensor_data_manager.py

@@ -1,19 +1,20 @@
 from grow_system_api import GrowSystemApi
+# from device_info import DeviceInfo
 
 
 class SensorDataManager:
     
-    grow_system_api = None
+    device_info = None
     
-    base_url = 'api.growsystem.muellerdev.kozow.com'
+    grow_system_api = None
     
     device_id = None
     
     def __init__(self, device_id):
         self.grow_system_api = GrowSystemApi()
+        # self.device_info = DeviceInfo()
         self.device_id = device_id
             
     def handleData(self, data):
         jsonResponse = self.grow_system_api.send_measurements(self.device_id, data)
-        print("---- Response: -----")
+        print("Response message: " + jsonResponse['message'])
-        print(jsonResponse)

dev_pi_pico_2405041205/sensors.py

@@ -0,0 +1,13 @@
+class Sensors:
+    # this is a parent class for the Sensor classes
+    sensor_pin_int = -1
+    
+    sensor = None
+    
+    type = "unset"
+    
+    def __init__(self, settings):
+        self.type = settings['type']
+        print("Initialize " + self.type + " sensor. Sensor pin is: " + str(settings['pin_int']))
+    
+    

grow_system.py

@@ -1,58 +0,0 @@
-import time
-from moisture_sensor import MoistureSensor
-from dht22 import TemperatureHumiditySensor
-from sensor_data_manager import SensorDataManager
-from grow_system_api import GrowSystemApi
-
-
-class GrowSystem:
-
-    grow_system_api = GrowSystemApi()
-    
-    moisture_sensor = None
-    temperature_humidity_sensor = None
-
-    most_recent_values = []
-    
-    sensor_data_manager = None
-    
-    device_id = None
-
-    def __init__(self, settings):       
-        if not self.moisture_sensor:
-            self.moisture_sensor = MoistureSensor(settings['moisture_sensor'])
-
-        if not self.temperature_humidity_sensor:
-            self.temperature_humidity_sensor = TemperatureHumiditySensor(settings['temperature_humidity_sensor'])
-
-    def start(self):
-        print("Say the server hello...")
-        result = self.grow_system_api.say_hello()
-        message = result['message']
-                
-        if message != 'OK':
-            print("Device not activated. Stopping")
-            return
-        
-        self.device_id = result['data']['device_id']
-        self.sensor_data_manager = SensorDataManager(self.device_id)
-        
-        print("Start reading sensors ...")
-        while True:
-            # Reset data
-            self.most_recent_values = []
-            # Moisture Sensor
-            self.moisture_sensor.read()
-            self.most_recent_values = self.most_recent_values + self.moisture_sensor.most_recent_value
-
-            # Temperature and Humidity Sensor
-            self.temperature_humidity_sensor.read()
-            self.most_recent_values = self.most_recent_values + self.temperature_humidity_sensor.most_recent_values
-            
-            print("Most recent bla")
-            print(self.most_recent_values)
-            
-            self.sensor_data_manager.handleData(self.most_recent_values)
-            
-            time.sleep(5)
-

gs/classes/http_request.py

@@ -0,0 +1,72 @@
+import json
+import ure as re
+
+
+class HttpRequest:
+    
+    METHOD = {
+        "GET": "GET",
+        "POST": "POST"
+        }
+    
+    method = ''
+    path = ''
+    raw_content = ''
+    headers = {}
+    
+    def __init__(self, request):
+        self.original_request = request
+        # self.method = method
+        # self.path = path
+        # self.headers = headers
+        # self.raw_content = content
+        print("http request initialized")
+        self.parse_request(request)
+        
+    def parse_request(self, request):
+        # Split the request into lines
+        lines = request.decode().split('\r\n')
+        
+        # Extract method, path, and HTTP version from the first line
+        self.method, self.path, _ = lines[0].split()
+
+        # Parse headers
+        for line in lines[1:]:
+            if not line:
+                break  # Empty line indicates end of headers
+            key, value = line.split(': ', 1)
+            self.headers[key] = value
+        
+        # Content is assumed to be in the last line
+        self.raw_content = lines[-1]
+        
+    def get_content_json(self):
+        # Parse the POST request content into a dictionary
+        parsed_content = {}
+        pairs = self.raw_content.split('&')
+        for pair in pairs:
+            key, value = pair.split('=')
+            parsed_content[key] = value
+
+        # Encode the values in the dictionary
+        encoded_content = {}
+        for key, value in parsed_content.items():
+            encoded_value = re.sub(r'%([0-9A-Fa-f]{2})', lambda m: chr(int(m.group(1), 16)), value)
+            encoded_content[key] = encoded_value
+        
+        return encoded_content
+        
+    def __str__(self):
+     return {
+         "method": self.method,
+         "headers": self.headers,
+         "content": self.raw_content,
+         "content_json": self.get_content_json()
+         }
+
+    
+    
+    
+
+
+

gs/config/app.py

@@ -0,0 +1 @@
+api_url = 'https://growsystem.muellerdev.kozow.com/api/'

gs/config/device_config.py

@@ -0,0 +1 @@
+sensors = [{"pin_int_sda": 8, "type": "ambilight", "pin_int": 8, "pin_int_scl": 9}, {"pin_int": 15, "type": "dht22"}, {"pin_int": 26, "type": "moisture"}]

gs/config/initial_config.py

@@ -0,0 +1 @@
+config = {"pin": "1234", "password": "95%04-MM", "ssid": "Oppa-95.lan"}

gs/device_info.py

@@ -0,0 +1,78 @@
+import network
+import json
+
+
+class DeviceInfo:
+    
+    # Device Infos
+    name = "Dev Device 1"
+    
+    token = "PC]-0Bmp83h7F5#U!D6KJ(A&"
+    
+    #server_url = 'api.growsystem.muelleronline.org'
+    server_url = 'api.growsystem.muellerdev.kozow.com'
+    
+    wlan_ssid = 'Oppa-95.lan'
+    wlan_pw = '95%04-MM'
+
+    sensors = [
+        {
+            'type': 'moisture',
+            'pin_int': 26
+        },
+        {
+            'type': 'ambilight',
+            'pin_int': 8, # for compatibility only
+            'pin_int_sda': 8,
+            'pin_int_scl': 9
+        },
+        
+        
+       # {
+       #     'type': 'dht22',
+       #     'pin_int': 15
+       #     }
+        ]
+    
+    engines = [
+        {
+            'type': 'pump',
+            'pins': [15]
+            }
+        ]
+    
+    read_secs = 5
+    # Device Infos End
+    
+    wlan = network.WLAN(network.STA_IF)
+    
+    def get_macaddress(self):
+        return self._format_mac(self.wlan.config('mac').hex())
+    
+    def get_ipaddress(self):
+        return self.wlan.ifconfig()[0]
+    
+    def get_all_device_infos(self):
+        return {
+            'name': self.name,
+            'mac_address': self.get_macaddress(),
+            'ip_address': self.get_ipaddress(),
+            'token': self.token}
+    
+    def config(self):
+        return self._loadConfig()
+    
+    def _format_mac(self, mac):
+    # Split the MAC address into pairs of two characters each
+        pairs = [mac[i:i+2] for i in range(0, len(mac), 2)]
+    # Join the pairs with colons to create the formatted MAC address
+        formatted_mac = ":".join(pairs)
+        return formatted_mac
+    
+    def _loadConfig(self):
+        with open('/gs/config/sensors.py', 'r') as file:
+            json_content = file.read()
+        return json.loads(json_content)
+        
+    
+    

gs/grow_system_api.py

@@ -0,0 +1,56 @@
+from gs.http_client import HTTPClient
+from gs.device_info import DeviceInfo
+from gs.wlan_client import WlanClient
+import json
+import gs.config.initial_config as ic
+
+
+class GrowSystemApi:
+     
+    http_client = HTTPClient()
+    
+    device_info = DeviceInfo()
+    
+    base_url = ''
+    
+    def __init__(self):
+        self.base_url = self.device_info.server_url
+        self.connect_wifi(ic.config['ssid'], ic.config['password'])
+        
+        # config = self.device_info.config()
+        # print("Config:", config)
+        # print("Test", config['test'])
+        
+    def activate(self, config):
+        data = self._get_device_data()
+        data.update({
+            'user_id': 1,
+            'pin': config['pin']
+            })
+        print("activate ...", data)
+        response = self.http_client.post(self.base_url + "/api/device/activate", data)
+        return self._get_json_encoded(response.text)
+         
+    def say_hello(self):
+        response = self.http_client.post(self.base_url + "/api/device", self._get_device_data())
+        print(response.text)
+        jsonResult = json.loads(response.text)
+        print(jsonResult)
+        return jsonResult;
+    
+    def send_measurements(self, device_id, data):
+        url = self.base_url + "/api/device/" + str(device_id) + "/sensor-log"
+        response = self.http_client.post(url, data)
+        return json.loads(response.text)
+            
+    def _get_device_data(self):
+        return self.device_info.get_all_device_infos()
+    
+    def _get_json_encoded(self, text):
+        return json.loads(text)
+    
+    def connect_wifi(self, ssid, password):
+        print("Connect WLAN")
+        self.wlan_client = WlanClient(ssid, password)
+        self.wlan_client.connect()
+    

gs/growsystem.py

@@ -0,0 +1,62 @@
+from gs.setup import Setup
+import os
+import ujson
+
+
+class GrowSystem:
+    
+    version = "1.0"
+    
+    initial_config = None
+    
+    def __init__(self):
+        print("Initialize Growsystem", self.version)
+        
+        if not self._is_initial_config_existing():
+            print("No config existing. Start setup ...")
+            self._setup()
+            return
+        
+        from gs.grow_system_api import GrowSystemApi as GSA
+        self.gsapi = GSA()
+        
+        if self._is_config_existing():
+            print("Skip Setup. Config existing.")
+        elif self._is_initial_config_existing():
+            print("Initial config only existing (no base config). Start activation ...")
+            self._activate()
+
+    def _setup(self):
+        setup = Setup()
+        setup.setup_pico()
+        
+    def _activate(self):
+        print("Start activation!")
+        import gs.config.initial_config as ic
+        self.initial_config = ic.config
+        device_config = self.gsapi.activate(self.initial_config)
+        #print("Device Config:", device_config['data'])
+        sensors = device_config['data']['sensors']
+        sensor_configs = []
+        for sensor in sensors:
+            sensor_configs.append(sensor['config'])
+            print(sensor['config'])
+        with open("/gs/config/device_config.py", "w") as f:
+            f.write("sensors = " + ujson.dumps(sensor_configs))
+        
+    def _is_config_existing(self):
+        return self._is_file_existing('/gs/config/config.py')
+    
+    def _is_initial_config_existing(self):
+        return self._is_file_existing('/gs/config/initial_config.py')
+        
+    def _is_file_existing(self, filepath):
+        try:
+            f = open(filepath, "r")
+            f.close()
+            # continue with the file.
+            return True
+        except OSError:  # open failed
+           # handle the file open cas
+            return False
+

gs/http_client.py

@@ -0,0 +1,35 @@
+import urequests
+import json
+
+class HTTPClient:
+    def __init__(self):
+        pass
+
+    def get(self, url):
+        url = 'https://' + url
+        try:
+            # headers = {'Content-Type': 'application/json'}
+            response = urequests.get(url)
+            if response.status_code == 200:
+                print("Data sent, got response")
+                return response
+            else:
+                print("Failed to get data. Status code:", response.status_code)
+        except Exception as e:
+            print("Exception occurred:", e)
+            
+    def post(self, url, data):
+        url = 'https://' + url
+        try:
+            headers = {'Content-Type': 'application/json', 'Accept': 'application/json, text/plain, */*'}
+            json_data = json.dumps(data)
+            print("Send post request to: " + url)
+            response = urequests.post(url, data=json_data, headers=headers)
+            if response.status_code == 200:
+                return response
+            else:
+                print("Failed to send data. Status code:", response.status_code)
+                print(response.text)
+        except Exception as e:
+            print("Exception occurred:", e)
+            

gs/little_apache.py

@@ -0,0 +1,110 @@
+import socket
+from gs.classes.http_request import HttpRequest
+
+
+class LittleApache():
+    
+    available_wifis = []
+    keep_webserver_alive = True
+    
+    
+    def __init__(self, net):
+        self.net = net
+        addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+        self.s = socket.socket()
+        self.s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self.s.bind(addr)
+        self.s.listen()
+        # print('Listening on', addr)
+        
+    def start(self):
+        print("Webserver started. Connect to: " + self.net.ifconfig()[0])
+        print(self.net.ifconfig())
+        
+        while self.keep_webserver_alive:
+            try:
+                conn, addr = self.s.accept()
+                #print('Got a connection from', addr)
+                
+                # Receive and parse the request
+                request = conn.recv(1024)
+                # print("Request (RAW)", request)
+                http_request = HttpRequest(request)
+                self.http_request = http_request
+                request = str(request)
+                # print('Request content = %s' % request)
+                #try:
+                #    request = request.split()[1]
+                #    print('Request:', request)
+                #except IndexError:
+                #    pass
+                response = self.response(http_request)  
+                # Send the HTTP response and close the connection
+                conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
+                conn.send(response)
+                conn.close()
+            except OSError as e:
+                conn.close()
+                print('Connection closed')
+        return self
+            
+    def response(self, request: HttpRequest):
+        #print("Webpage: ", request)
+        print("Request method: ", request.method, "Request path: ", request.path)
+        
+        header = f"""
+            <!DOCTYPE html>
+            <html>
+            <head>
+                <title>Growsystem</title>
+                <meta name="viewport" content="width=device-width, initial-scale=1">
+            </head>
+            <body>
+            """
+        
+        footer = f"""
+            </body>
+            </html>
+            """
+        
+        body = ""
+        
+        if self.is_path_match(request, '/test1'):
+            body = f"""
+            <div>Test 1!!!</div>
+            """
+        elif (self.is_path_match(request, '') or self.is_path_match(request, '/')):        
+            options = []    
+            for w in self.available_wifis:
+                options.append('<option value="{}">{}</option>'.format(w, w))  
+            body = """
+            <h1>Setup Pico</h1>
+        <form method="post" action="save">
+        SSID: <select name="ssid">{}</select><br>
+        Password: <input type="password" name="password"><br>
+        PIN: <input type="text" name="pin" maxlength="4"><br>
+        <input type="submit" value="Submit">
+        </form>            
+            """
+            body = body.format(''.join(options))
+        elif self.is_path_match(request, '/save', 'POST'):
+            print("Save config path: ", request)
+            self.keep_webserver_alive = False
+            body = """
+            <h1>Setup Pico</h1>
+            <div>Setup abgeschlossen. Bitte ein paar Sekunden warten, dann neu starten.</div>          
+            """
+        else:
+            body = f"""
+            <div>Unknown page</div>
+            """
+        
+        html = ''
+        html_arr = [header, body, footer]
+        html = html.join(html_arr)
+        return str(html)
+    
+    def is_path_match(self, request, path, method='GET'):
+        return path == request.path and method == request.method
+
+            

gs/setup.py

@@ -0,0 +1,84 @@
+import network
+import ujson
+import ure as re
+import usocket as socket
+import time
+from gs.little_apache import LittleApache
+
+
+class Setup:
+    
+    wlans = []
+        
+    def __init__(self):
+        self.ap_ssid = "Growsystem  1.0"
+        self.ap_password = "password"
+        self.wlans = []
+        self.selected_ssid = ""
+        self.wlan_password = ""
+        self.pin = ""
+
+    def scan_wlans(self):
+        print("Scan for WiFis")
+        wlan = network.WLAN(network.STA_IF)
+        wlan.active(True)
+        self.wlans = [w[0].decode() for w in wlan.scan()]
+        print("Detected WiFis: ", self.wlans)
+        wlan.active(False)
+
+    def start_ap_mode(self):
+        wlan = network.WLAN(network.STA_IF)
+        wlan.active(False)
+        wlan_config = {
+            "ssid": self.ap_ssid,
+            "pw": self.ap_password
+            }
+        print("Switch to ap mode with data:", wlan_config)
+        ap = network.WLAN(network.AP_IF)
+        ap.config(essid=self.ap_ssid, password=self.ap_password)
+        ap.active(True)
+        self.net = ap
+        print("Connect with your browser to:", ap.ifconfig()[0])
+
+    def stop_ap_mode(self):
+        print("Stop ap mode")
+        ap = network.WLAN(network.AP_IF)
+        ap.active(False)
+
+    def get_initial_config_webserver(self):
+        self.la = LittleApache(self.net)
+        self.la.available_wifis = self.wlans
+        self.la.start()
+        config = self.la.http_request.get_content_json()
+        print("start webserver end:", config)
+        return config
+
+    def save_config(self, config):
+        config = {
+            "ssid": config['ssid'],
+            "password": config['password'],
+            "pin": config['pin']
+        }
+        print("Save config:", config)
+        with open("/gs/config/initial_config.py", "w") as f:
+            f.write("config = " + ujson.dumps(config))
+
+    def switch_to_client_mode(self):
+        print("Switch to client mode")
+        ap = network.WLAN(network.AP_IF)
+        ap.active(False)
+        wlan = network.WLAN(network.STA_IF)
+        wlan.active(True)
+        wlan.connect(self.selected_ssid, self.wlan_password)
+        while not wlan.isconnected():
+            time.sleep(1)
+        print("Connected to", self.selected_ssid)
+
+    def setup_pico(self):
+        self.scan_wlans()
+        self.start_ap_mode()
+        config = self.get_initial_config_webserver()
+        self.save_config(config)
+        # self.stop_ap_mode()
+        # self.switch_to_client_mode()
+

gs/wlan_client.py

@@ -0,0 +1,40 @@
+import machine
+import network
+import time
+# network.country('DE')
+
+
+class WlanClient:
+
+    ssid = ''
+    pw = ''
+    wlan = None
+    # Status-LED
+    led_onboard = machine.Pin('LED', machine.Pin.OUT)
+    led_onboard.value(False)
+
+    def __init__(self, ssid, pw):
+        # print("Hello from wlan class")
+        self.ssid = ssid
+        self.pw = pw
+        self.wlan = network.WLAN(network.STA_IF)
+
+    def connect(self):
+        if not self.is_connected():
+            print('No WLAN connected. Connecting ...' + self.ssid + ' ' + self.pw)
+            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
+                time.sleep(1)
+                # led_value = self.led_onboard.value() == 1
+                # self.led_onboard.value(led_value)
+        if self.wlan.isconnected():
+            net_config = self.wlan.ifconfig()
+            print("NetConfig:")
+            print(net_config)
+
+    def is_connected(self):
+        return self.wlan.isconnected()
+

main.py

@@ -1,59 +1,12 @@
-# GrowSystem
+## Only start grow system
-# Author: Maik Müller (maik@muelleronlineorg)
+from gs.growsystem import GrowSystem
-
+from time import sleep
-# WIP!
-# This file should do only:
-# - provide constants for settings
-# - eventually necessary system settings
-# - init wlan connection
-# - Call base class, permitting the configured constants
-import network
-import urequests
-from grow_system import GrowSystem
-from wlan import WlanClient
-from http_client import HTTPClient
-from device_info import DeviceInfo
 
 
-settings = {
-    'wlan_ssid': 'Oppa-95.lan',
-    'wlan_pw': '95%04-MM',
-    'moisture_sensor': {
-        'pin_int': 26
-    },
-    'temperature_humidity_sensor': {
-        'pin_int': 15
-    },
-    'pump_pin_int': 24
-}
-
-
-def wlan_scan():
-    # Client-Betrieb
-    wlan = network.WLAN(network.STA_IF)
-    # WLAN-Interface aktivieren
-    wlan.active(True)
-    # WLANs ausgeben
-    found_wlans = wlan.scan()
-    return found_wlans
-
-
-# Press the green button in the gutter to run the script.
 if __name__ == '__main__':
-    #print(wlan_scan())
+    gs = GrowSystem()
-    print("Connect WLAN")
-    wlanClient = WlanClient(settings['wlan_ssid'], settings['wlan_pw'])
-    wlanClient.connect()
-    print("---------------------------------------")
-    print("")
     
-    di = DeviceInfo()
+    while True:
-    print("Device Infos:")
+        print("Keep running in main.py")
-    print(di.get_all_device_infos())
+        sleep(5)
-    print("---------------------------------------")
-    print("")
-    
-    print("Start grow system")
-    gs = GrowSystem(settings)
-    gs.start()
         

moisture_sensor.py

@@ -1,24 +0,0 @@
-# Moisture Sensor Class
-from machine import ADC, Pin
-
-
-class MoistureSensor:
-    moisture_sensor_pin_int = -1
-
-    moisture_sensor = None
-
-    most_recent_value = []
-
-    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 = [
-                            {
-                    'type': 'moisture',
-                    'value': self.moisture_sensor.read_u16(),
-                    'unit': 'unknown'
-                },
-            ]

old_version/ambilight_sensor.py

@@ -0,0 +1,34 @@
+from sensors import Sensors
+from machine import Pin, I2C
+from utime import sleep
+from lib.bh1750 import BH1750
+
+
+class AmbilightSensor(Sensors):
+
+
+    most_recent_values = []
+
+    def __init__(self, settings):
+        super().__init__(settings)
+        print(settings) # TODO remove
+        self.sensor_pin_int = settings['pin_int']
+        # self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
+        self.sensor = BH1750(I2C(0, sda=Pin(settings['pin_int_sda']), scl=Pin(settings['pin_int_scl'])))
+
+    def read(self):
+        try:
+            measurement = self.sensor.luminance(BH1750.ONCE_HIRES_1)
+            print("ambilight ..")
+            print(measurement)
+            self.most_recent_values = [
+                {
+                    'type': 'ambilight',
+                    'value': measurement,
+                    'unit': '-'
+                },
+            ]
+        except OSError:
+            print('Ambilight Error reading temperature/humidity. Check wires')
+            print()
+

old_version/bh1750.old_1/__init__.py

@@ -0,0 +1 @@
+from .bh1750 import BH1750

old_version/bh1750.old_1/bh1750.py

@@ -0,0 +1,118 @@
+# https://github.com/flrrth/pico-bh1750
+
+import math
+
+from micropython import const
+from utime import sleep_ms
+
+
+class BH1750:
+    """Class for the BH1750 digital Ambient Light Sensor
+
+    The datasheet can be found at https://components101.com/sites/default/files/component_datasheet/BH1750.pdf
+    """
+    
+    MEASUREMENT_MODE_CONTINUOUSLY = const(1)
+    MEASUREMENT_MODE_ONE_TIME = const(2)
+    
+    RESOLUTION_HIGH = const(0)
+    RESOLUTION_HIGH_2 = const(1)
+    RESOLUTION_LOW = const(2)
+    
+    MEASUREMENT_TIME_DEFAULT = const(69)
+    MEASUREMENT_TIME_MIN = const(31)
+    MEASUREMENT_TIME_MAX = const(254)
+
+    def __init__(self, address, i2c):
+        self._address = address
+        self._i2c = i2c
+        self._measurement_mode = BH1750.MEASUREMENT_MODE_ONE_TIME
+        self._resolution = BH1750.RESOLUTION_HIGH
+        self._measurement_time = BH1750.MEASUREMENT_TIME_DEFAULT
+        
+        self._write_measurement_time()
+        self._write_measurement_mode()
+        
+    def configure(self, measurement_mode: int, resolution: int, measurement_time: int):
+        """Configures the BH1750.
+
+        Keyword arguments:
+        measurement_mode -- measure either continuously or once
+        resolution -- return measurements in either high, high2 or low resolution
+        measurement_time -- the duration of a single measurement
+        """
+        if measurement_time not in range(BH1750.MEASUREMENT_TIME_MIN, BH1750.MEASUREMENT_TIME_MAX + 1):
+            raise ValueError("measurement_time must be between {0} and {1}"
+                             .format(BH1750.MEASUREMENT_TIME_MIN, BH1750.MEASUREMENT_TIME_MAX))
+        
+        self._measurement_mode = measurement_mode
+        self._resolution = resolution
+        self._measurement_time = measurement_time
+        
+        self._write_measurement_time()
+        self._write_measurement_mode()
+    
+    def _write_measurement_time(self):
+        buffer = bytearray(1)
+        
+        high_bit = 1 << 6 | self._measurement_time >> 5
+        low_bit = 3 << 5 | (self._measurement_time << 3) >> 3
+                
+        buffer[0] = high_bit
+        self._i2c.writeto(self._address, buffer)
+        
+        buffer[0] = low_bit
+        self._i2c.writeto(self._address, buffer)
+        
+    def _write_measurement_mode(self):
+        buffer = bytearray(1)
+                
+        buffer[0] = self._measurement_mode << 4 | self._resolution
+        self._i2c.writeto(self._address, buffer)
+        sleep_ms(24 if self._measurement_time == BH1750.RESOLUTION_LOW else 180)
+        
+    def reset(self):
+        """Clear the illuminance data register."""
+        self._i2c.writeto(self._address, bytearray(b'\x07'))
+    
+    def power_on(self):
+        """Powers on the BH1750."""
+        self._i2c.writeto(self._address, bytearray(b'\x01'))
+
+    def power_off(self):
+        """Powers off the BH1750."""
+        self._i2c.writeto(self._address, bytearray(b'\x00'))
+
+    @property
+    def measurement(self) -> float:
+        """Returns the latest measurement."""
+        if self._measurement_mode == BH1750.MEASUREMENT_MODE_ONE_TIME:
+            self._write_measurement_mode()
+            
+        buffer = bytearray(2)
+        self._i2c.readfrom_into(self._address, buffer)
+        lux = (buffer[0] << 8 | buffer[1]) / (1.2 * (BH1750.MEASUREMENT_TIME_DEFAULT / self._measurement_time))
+        
+        if self._resolution == BH1750.RESOLUTION_HIGH_2:
+            return lux / 2
+        else:
+            return lux
+    
+    def measurements(self) -> float:
+        """This is a generator function that continues to provide the latest measurement. Because the measurement time
+        is greatly affected by resolution and the configured measurement time, this function attemts to calculate the
+        appropriate sleep time between measurements.
+
+        Example usage:
+
+        for measurement in bh1750.measurements():  # bh1750 is an instance of this class
+            print(measurement)
+        """
+        while True:
+            yield self.measurement
+            
+            if self._measurement_mode == BH1750.MEASUREMENT_MODE_CONTINUOUSLY:
+                base_measurement_time = 16 if self._measurement_time == BH1750.RESOLUTION_LOW else 120
+                sleep_ms(math.ceil(base_measurement_time * self._measurement_time / BH1750.MEASUREMENT_TIME_DEFAULT))
+                
+

old_version/device_info.py

@@ -0,0 +1,69 @@
+import network
+
+
+class DeviceInfo:
+    
+    # Device Infos
+    name = "Dev Device 1"
+    
+    token = "PC]-0Bmp83h7F5#U!D6KJ(A&"
+    
+    server_url = 'api.growsystem.muelleronline.org'
+    
+    wlan_ssid = 'Oppa-95.lan'
+    wlan_pw = '95%04-MM'
+
+    sensors = [
+        {
+            'type': 'moisture',
+            'pin_int': 26
+        },
+        {
+            'type': 'ambilight',
+            'pin_int': 8, # for compatibility only
+            'pin_int_sda': 8,
+            'pin_int_scl': 9
+        },
+        
+        
+       # {
+       #     'type': 'dht22',
+       #     'pin_int': 15
+       #     }
+        ]
+    
+    engines = [
+        {
+            'type': 'pump',
+            'pins': [15]
+            }
+        ]
+    
+    read_secs = 5
+    # Device Infos End
+    
+    wlan = network.WLAN(network.STA_IF)
+    
+    def get_macaddress(self):
+        return self._format_mac(self.wlan.config('mac').hex())
+    
+    def get_ipaddress(self):
+        return self.wlan.ifconfig()[0]
+    
+    def get_all_device_infos(self):
+        return {
+            'name': self.name,
+            'mac_address': self.get_macaddress(),
+            'ip_address': self.get_ipaddress(),
+            'token': self.token}
+    
+    def _format_mac(self, mac):
+    # Split the MAC address into pairs of two characters each
+        pairs = [mac[i:i+2] for i in range(0, len(mac), 2)]
+    # Join the pairs with colons to create the formatted MAC address
+        formatted_mac = ":".join(pairs)
+        return formatted_mac
+    
+    
+    
+    

old_version/dht22.py

@@ -0,0 +1,36 @@
+from sensors import Sensors
+from dht import DHT22
+from machine import ADC, Pin
+
+
+class TemperatureHumiditySensor(Sensors):
+
+    sensor = None
+
+    most_recent_values = []
+
+    def __init__(self, settings):
+        super().__init__(settings)
+        print("Initialize dht22 sensor. Sensor pin is: " + str(settings['pin_int']))
+        print(settings)
+        self.sensor_pin_int = settings['pin_int']
+        self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
+
+    def read(self):
+        try:
+            self.sensor.measure()
+            self.most_recent_values = [
+                {
+                    'type': 'temperature',
+                    'value': self.sensor.temperature(),
+                    'unit': 'C'
+                },
+                {
+                    'type': 'humidity',
+                    'value': self.sensor.humidity(),
+                    'unit': '%'
+                }
+            ]
+        except OSError:
+            print('DHT22 Error reading temperature/humidity. Check wires')
+            print()

old_version/engine.py

@@ -0,0 +1,23 @@
+from machine import Pin
+
+
+class Engine():
+    
+    pins = []
+    
+    engine = None
+    
+    def __init__(self, engine):
+        print("Hello from Engine parent class")
+        print(engine)
+        self.pins = engine['pins']
+        self.engine = Pin(self.pins[0], Pin.OUT)
+        
+    def on(self):
+        print("engine on")
+        self.engine.value(1)
+        
+    def off(self):
+        print("engine off")
+        self.engine.value(0)
+

old_version/grow_system.py

@@ -0,0 +1,96 @@
+import time
+from moisture_sensor import MoistureSensor
+from dht22 import TemperatureHumiditySensor
+from ambilight_sensor import AmbilightSensor
+from pump import Pump
+from sensor_data_manager import SensorDataManager
+from grow_system_api import GrowSystemApi
+from device_info import DeviceInfo
+
+
+class GrowSystem:
+
+    grow_system_api = GrowSystemApi()
+    
+    # moisture_sensor = None
+    # temperature_humidity_sensor = None
+
+    sensors = []
+    
+    engines = []
+
+    most_recent_values = []
+    
+    sensor_data_manager = None
+    
+    device_id = None
+    
+    device_info = DeviceInfo()
+
+    def __init__(self, settings):
+        # Init sensors
+        for sensor in self.device_info.sensors:
+            print("")
+            print("Initialize sensor:")
+            print(sensor)
+            sensor_type = sensor['type']
+            if sensor_type == 'moisture':
+                print("Found sensor of type moisture")
+                self.sensors.append(MoistureSensor(sensor))
+            elif sensor_type == 'dht22':
+                print("Found sensor of type DHT22")
+                self.sensors.append(TemperatureHumiditySensor(sensor))
+            elif sensor_type == 'ambilight':
+                print("Found sensor of type GY302/BH1750")
+                self.sensors.append(AmbilightSensor(sensor))
+            else:
+                print("No sensor type configured for: " + sensor['type'])
+                
+        # Init engines
+        for engine in self.device_info.engines:
+            print("")
+            print("Initialize engine:")
+            print(engine)
+            engine_type = engine['type']
+            if engine_type == 'pump':
+                print("Found egine of type pump")
+                self.engines.append(Pump(engine))
+                self.engines[0].on()
+                time.sleep(15)
+                self.engines[0].off()
+                
+            
+        #if not self.moisture_sensor:
+        #    self.moisture_sensor = MoistureSensor(settings['moisture_sensor'])
+
+        #if not self.temperature_humidity_sensor:
+        #    self.temperature_humidity_sensor = TemperatureHumiditySensor(settings['temperature_humidity_sensor'])
+
+    def start(self):
+        print("Say the server hello...")
+        result = self.grow_system_api.say_hello()
+        message = result['message']
+                
+        if message != 'OK':
+            print("Device not activated. Stopping")
+            return
+        
+        self.device_id = result['data']['device_id']
+        self.sensor_data_manager = SensorDataManager(self.device_id)
+        
+        print("Start reading sensors ...")
+        while True:
+            # Reset data
+            self.most_recent_values = []
+            
+            for sensor in self.sensors:
+                print("Read sensor of type " + sensor.type + " at pin " + str(sensor.sensor_pin_int))
+                sensor.read()
+                for measurement in sensor.most_recent_values:
+                    print(f"Got {measurement['value']} {measurement['unit']} ({measurement['type']})")
+                self.most_recent_values = self.most_recent_values + sensor.most_recent_values
+
+            self.sensor_data_manager.handleData(self.most_recent_values)
+            
+            time.sleep(self.device_info.read_secs)
+

old_version/grow_system_api.py

@@ -0,0 +1,38 @@
+from http_client import HTTPClient
+from device_info import DeviceInfo
+import json
+
+
+class GrowSystemApi:
+     
+    http_client = HTTPClient()
+    
+    device_info = DeviceInfo()
+    
+    base_url = ''
+    
+    def __init__(self):
+        self.base_url = self.device_info.server_url
+        
+    def activate(self, config):
+        response = self.http_client.post(self.base_url + "/api/device/activate", self._get_device_data())
+        return self_get_json_encoded(response.text)
+         
+    def say_hello(self):
+        response = self.http_client.post(self.base_url + "/api/device", self._get_device_data())
+        print(response.text)
+        jsonResult = json.loads(response.text)
+        print(jsonResult)
+        return jsonResult;
+    
+    def send_measurements(self, device_id, data):
+        url = self.base_url + "/api/device/" + str(device_id) + "/sensor-log"
+        response = self.http_client.post(url, data)
+        return json.loads(response.text)
+            
+    def _get_device_data(self):
+        return self.device_info.get_all_device_infos()
+    
+    def _get_json_encoded(self, text):
+        return json.loads(text)
+    

old_version/http_client.py

@@ -0,0 +1,35 @@
+import urequests
+import json
+
+class HTTPClient:
+    def __init__(self):
+        pass
+
+    def get(self, url):
+        url = 'https://' + url
+        try:
+            # headers = {'Content-Type': 'application/json'}
+            response = urequests.get(url)
+            if response.status_code == 200:
+                print("Data sent, got response")
+                return response
+            else:
+                print("Failed to get data. Status code:", response.status_code)
+        except Exception as e:
+            print("Exception occurred:", e)
+            
+    def post(self, url, data):
+        url = 'https://' + url
+        try:
+            headers = {'Content-Type': 'application/json', 'Accept': 'application/json, text/plain, */*'}
+            json_data = json.dumps(data)
+            print("Send post request to: " + url)
+            response = urequests.post(url, data=json_data, headers=headers)
+            if response.status_code == 200:
+                return response
+            else:
+                print("Failed to send data. Status code:", response.status_code)
+                print(response.text)
+        except Exception as e:
+            print("Exception occurred:", e)
+            

old_version/lib/bh1750.py

@@ -0,0 +1,62 @@
+"""
+Micropython BH1750 ambient light sensor driver.
+* https://github.com/PinkInk/upylib/tree/master/bh1750
+"""
+
+from utime import sleep_ms
+
+
+class BH1750():
+    """Micropython BH1750 ambient light sensor driver."""
+
+    PWR_OFF = 0x00
+    PWR_ON = 0x01
+    RESET = 0x07
+
+    # modes
+    CONT_LOWRES = 0x13
+    CONT_HIRES_1 = 0x10
+    CONT_HIRES_2 = 0x11
+    ONCE_HIRES_1 = 0x20
+    ONCE_HIRES_2 = 0x21
+    ONCE_LOWRES = 0x23
+
+    # default addr=0x23 if addr pin floating or pulled to ground
+    # addr=0x5c if addr pin pulled high
+    def __init__(self, bus, addr=0x23):
+        self.bus = bus
+        self.addr = addr
+        self.off()
+        self.reset()
+
+    def off(self):
+        """Turn sensor off."""
+        self.set_mode(self.PWR_OFF)
+
+    def on(self):
+        """Turn sensor on."""
+        self.set_mode(self.PWR_ON)
+
+    def reset(self):
+        """Reset sensor, turn on first if required."""
+        self.on()
+        self.set_mode(self.RESET)
+
+    def set_mode(self, mode):
+        """Set sensor mode."""
+        self.mode = mode
+        self.bus.writeto(self.addr, bytes([self.mode]))
+
+    def luminance(self, mode):
+        """Sample luminance (in lux), using specified sensor mode."""
+        # continuous modes
+        if mode & 0x10 and mode != self.mode:
+            self.set_mode(mode)
+        # one shot modes
+        if mode & 0x20:
+            self.set_mode(mode)
+        # earlier measurements return previous reading
+        sleep_ms(24 if mode in (0x13, 0x23) else 180)
+        data = self.bus.readfrom(self.addr, 2)
+        factor = 2.0 if mode in (0x11, 0x21) else 1.0
+        return (data[0]<<8 | data[1]) / (1.2 * factor)

old_version/main.py

@@ -0,0 +1,63 @@
+# GrowSystem
+# Author: Maik Müller (maik@muelleronlineorg)
+
+# WIP!
+# This file should do only:
+# - first start check and actions if not configured
+# - provide constants for settings
+# - eventually necessary system settings
+# - init wlan connection
+# - Call base class, permitting the configured constants
+import network
+import urequests
+from grow_system import GrowSystem
+from wlan import WlanClient
+from http_client import HTTPClient
+from device_info import DeviceInfo
+from setup import Setup
+
+
+settings = {
+    'wlan_ssid': 'Oppa-95.lan',
+    'wlan_pw': '95%04-MM',
+    'moisture_sensor': {
+        'pin_int': 26
+    },
+    'temperature_humidity_sensor': {
+        'pin_int': 15
+    },
+    'pump_pin_int': 24
+}
+
+
+def wlan_scan():
+    # Client-Betrieb
+    wlan = network.WLAN(network.STA_IF)
+    # WLAN-Interface aktivieren
+    wlan.active(True)
+    # WLANs ausgeben 
+    found_wlans = wlan.scan()
+    return found_wlans
+
+
+# Press the green button in the gutter to run the script.
+if __name__ == '__main__':
+    pico_setup = Setup()
+    pico_setup.setup_pico()
+    
+    if false:
+    #print(wlan_scan())
+        print("Connect WLAN")
+        wlanClient = WlanClient(settings['wlan_ssid'], settings['wlan_pw'])
+        wlanClient.connect()
+        print("")
+    
+        di = DeviceInfo()
+        print("Device Infos:")
+        print(di.get_all_device_infos())
+        print("")
+    
+        print("Start grow system")
+        gs = GrowSystem(settings)
+        gs.start()
+

old_version/moisture_sensor.py

@@ -0,0 +1,39 @@
+# Moisture Sensor Class
+from sensors import Sensors
+from machine import ADC, Pin
+
+
+class MoistureSensor(Sensors):
+    
+    sensor = None
+
+    most_recent_values = []
+    
+    min_raw_value = None
+    max_raw_value = None
+
+    def __init__(self, sensor_data, min_raw_value=300, max_raw_value=65535):
+        super().__init__(sensor_data)
+        print("Initialize moisture sensor. Sensor pin is: " + str(sensor_data['pin_int']))
+        self.sensor_pin_int = sensor_data['pin_int']
+        self.min_raw_value = min_raw_value
+        self.max_raw_value = max_raw_value
+        self.sensor = ADC(Pin(self.sensor_pin_int))
+
+    def read(self):
+        self.most_recent_values = [
+            {
+                'type': 'moisture',
+                'value': self.convert_to_moisture_percentage(self.sensor.read_u16()),
+                'unit': '%'
+            },
+        ]
+
+    def normalize_sensor_value(self, raw_value):
+        return (raw_value - self.min_raw_value) / (self.max_raw_value - self.min_raw_value)
+
+    def convert_to_moisture_percentage(self, raw_value):
+        normalized_value = self.normalize_sensor_value(raw_value)
+        return round(100 - normalized_value * 100, 1)
+    
+    

old_version/pump.py

@@ -0,0 +1,7 @@
+from engine import Engine
+
+
+class Pump(Engine):
+    
+    def __init__(self, engine):
+        super().__init__(engine)

old_version/sensor_data_manager.py

@@ -0,0 +1,20 @@
+from grow_system_api import GrowSystemApi
+# from device_info import DeviceInfo
+
+
+class SensorDataManager:
+    
+    device_info = None
+    
+    grow_system_api = None
+    
+    device_id = None
+    
+    def __init__(self, device_id):
+        self.grow_system_api = GrowSystemApi()
+        # self.device_info = DeviceInfo()
+        self.device_id = device_id
+            
+    def handleData(self, data):
+        jsonResponse = self.grow_system_api.send_measurements(self.device_id, data)
+        print("Response message: " + jsonResponse['message'])

old_version/sensors.py

@@ -0,0 +1,13 @@
+class Sensors:
+    # this is a parent class for the Sensor classes
+    sensor_pin_int = -1
+    
+    sensor = None
+    
+    type = "unset"
+    
+    def __init__(self, settings):
+        self.type = settings['type']
+        print("Initialize " + self.type + " sensor. Sensor pin is: " + str(settings['pin_int']))
+    
+    

old_version/setup.py

@@ -0,0 +1,113 @@
+import network
+import ujson
+import ure as re
+import usocket as socket
+import time
+
+class Setup:
+    def __init__(self):
+        self.ap_ssid = "Growsystem"
+        self.ap_password = "12345678"
+        self.wlans = []
+        self.selected_ssid = ""
+        self.wlan_password = ""
+        self.pin = ""
+        self.html = """
+        <html>
+        <head><title>Pico Setup</title></head>
+        <body>
+        <h1>Setup Pico</h1>
+        <form method="post">
+        SSID: <select name="ssid">{}</select><br>
+        Password: <input type="password" name="password"><br>
+        PIN: <input type="text" name="pin" maxlength="4"><br>
+        <input type="submit" value="Submit">
+        </form>
+        </body>
+        </html>
+        """
+
+    def scan_wlans(self):
+        print("Scan WLANs")
+        wlan = network.WLAN(network.STA_IF)
+        wlan.active(True)
+        self.wlans = [w[0].decode() for w in wlan.scan()]
+        print("Found:", self.wlans)
+        wlan.active(False)
+
+    def start_ap_mode(self):
+        self.ap = network.WLAN(network.AP_IF)
+        self.ap.active(True)
+        while self.ap.active() == False:
+            pass
+        self.ap.config(essid=self.ap_ssid, password=self.ap_password)
+        print("AP SSID:", self.ap.config("essid"))
+        # print("AP Password:", self.ap.config("password"))
+
+    def stop_ap_mode(self):
+        ap = network.WLAN(network.AP_IF)
+        ap.active(False)
+
+    def start_webserver(self):
+        addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+        s = socket.socket()
+        s.bind(addr)
+        s.listen(1)
+        print("Listening on", addr)
+        while True:
+            conn, addr = s.accept()
+            print("Got a connection from", addr)
+            request = conn.recv(1024)
+            print("Content =", request)
+            conn.send("HTTP/1.1 200 OK\n")
+            conn.send("Content-Type: text/html\n")
+            conn.send("Connection: close\n\n")
+            conn.sendall(self.html.format(''.join(['<option value="{}">{}</option>'.format(w, w) for w in self.wlans])))
+            conn.close()
+
+    def parse_request(self, request):
+        request = request.decode()
+        ssid_match = re.search("ssid=([^&]+)", request)
+        if ssid_match:
+            self.selected_ssid = ssid_match.group(1)
+        password_match = re.search("password=([^&]+)", request)
+        if password_match:
+            self.wlan_password = password_match.group(1)
+        pin_match = re.search("pin=([^&]+)", request)
+        if pin_match:
+            self.pin = pin_match.group(1)
+
+    def save_config(self):
+        config = {
+            "ssid": self.selected_ssid,
+            "password": self.wlan_password,
+            "pin": self.pin
+        }
+        with open("initial_config.py", "w") as f:
+            f.write("config = " + ujson.dumps(config))
+
+    def switch_to_client_mode(self):
+        ap = network.WLAN(network.AP_IF)
+        ap.active(False)
+        wlan = network.WLAN(network.STA_IF)
+        wlan.active(True)
+        wlan.connect(self.selected_ssid, self.wlan_password)
+        while not wlan.isconnected():
+            time.sleep(1)
+        print("Connected to", self.selected_ssid)
+
+    def setup_pico(self):
+        print("Start PICO setup")
+        self.scan_wlans()
+        self.start_ap_mode()
+        self.start_webserver()
+        while True:
+            conn, addr = self.s.accept()
+            request = conn.recv(1024)
+            self.parse_request(request)
+            self.save_config()
+            conn.close()
+            break  # Assuming only one request is handled
+        self.stop_ap_mode()
+        self.switch_to_client_mode()
+

old_version/wlan.py

@@ -0,0 +1,39 @@
+import machine
+import network
+import time
+# network.country('DE')
+
+
+class WlanClient:
+
+    ssid = ''
+    pw = ''
+    wlan = None
+    # Status-LED
+    led_onboard = machine.Pin('LED', machine.Pin.OUT)
+    led_onboard.value(False)
+
+    def __init__(self, ssid, pw):
+        # print("Hello from wlan class")
+        self.ssid = ssid
+        self.pw = pw
+        self.wlan = network.WLAN(network.STA_IF)
+
+    def connect(self):
+        if not self.is_connected():
+            print('No WLAN connected. Connecting ...' + self.ssid + ' ' + self.pw)
+            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
+                time.sleep(1)
+                # led_value = self.led_onboard.value() == 1
+                # self.led_onboard.value(led_value)
+        if self.wlan.isconnected():
+            net_config = self.wlan.ifconfig()
+            print("NetConfig:")
+            print(net_config)
+
+    def is_connected(self):
+        return self.wlan.isconnected()

teststuff/main.py

@@ -0,0 +1,50 @@
+import network
+import time
+import socket
+
+ssid="Growsystem"
+password="12345678"
+
+def web_page():
+  html = """<html><head><meta name="viewport" content="width=device-width, initial-scale=1"></head>
+            <body><h1>Hello World</h1></body></html>
+         """
+  return html
+
+# if you do not see the network you may have to power cycle
+# unplug your pico w for 10 seconds and plug it in again
+def ap_mode(ssid, password):
+    """
+        Description: This is a function to activate AP mode
+
+        Parameters:
+
+        ssid[str]: The name of your internet connection
+        password[str]: Password for your internet connection
+
+        Returns: Nada
+    """
+    # Just making our internet connection
+    ap = network.WLAN(network.AP_IF)
+    ap.config(essid=ssid, password=password)
+    ap.active(True)
+
+    while ap.active() == False:
+        pass
+    print('AP Mode Is Active, You can Now Connect')
+    print('IP Address To Connect to:: ' + ap.ifconfig()[0])
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)   #creating socket object
+    s.bind(('', 80))
+    s.listen(5)
+
+    while True:
+      conn, addr = s.accept()
+      print('Got a connection from %s' % str(addr))
+      request = conn.recv(1024)
+      print('Content = %s' % str(request))
+      response = web_page()
+      conn.send(response)
+      conn.close()
+
+ap_mode('Growsystem95','PASSWORD')