Merge pull request 'bugfix/logic_failure_in_init' (#4) from bugfix/logic_failure_in_init into main

Reviewed-on: #4

README.md

@@ -1,2 +0,0 @@
-# GrowSystem
-

REDME.md

@@ -1,3 +0,0 @@
-# Show output on terminal #
-`minicom -b 115200 -o -D /dev/cu.usbmodem3301`
-

dht22.py

@@ -1,32 +0,0 @@
-from dht import DHT22
-from machine import ADC, Pin
-
-
-class TemperatureHumiditySensor:
-    dht22_sensor_pin_int = -1
-
-    dht22_sensor = None
-
-    most_recent_values = {}
-
-    def __init__(self, settings):
-        print("Hello from dht22 sensor  class")
-        print(settings)
-        self.dht22_sensor_pin_int = settings['pin_int']
-        self.dht22_sensor = DHT22(Pin(self.dht22_sensor_pin_int, Pin.IN, Pin.PULL_UP))
-
-    def read(self):
-        try:
-            self.dht22_sensor.measure()
-            self.most_recent_values = {
-                'temperature': {
-                    'value': self.dht22_sensor.temperature(),
-                    'unit': '°C'},
-                'humidity': {
-                    'value': self.dht22_sensor.humidity(),
-                    'unit': '%'
-                }
-            }
-        except OSError:
-            print('DHT22 Error reading temperature/humidity. Check wires')
-            print()

grow_system.py

@@ -1,35 +0,0 @@
-import time
-from moisture_sensor import MoistureSensor
-from dht22 import TemperatureHumiditySensor
-
-
-class GrowSystem:
-
-    moisture_sensor = None
-    temperature_humidity_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'])
-
-        if not self.temperature_humidity_sensor:
-            self.temperature_humidity_sensor = TemperatureHumiditySensor(settings['temperature_humidity_sensor'])
-
-    def start(self):
-        print("Start reading sensors ...")
-        while True:
-            # Moisture Sensor
-            self.moisture_sensor.read()
-            self.most_recent_values['moisture_sensor'] = self.moisture_sensor.most_recent_value
-
-            # Temperature and Humidity Sensor
-            self.temperature_humidity_sensor.read()
-            self.most_recent_values['temperature_humidity_sensor'] = self.temperature_humidity_sensor.most_recent_values
-
-            print(self.most_recent_values)
-            time.sleep(1)
-

gs/classes/a_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']))
+    
+    

gs/classes/http_request.py

@@ -0,0 +1,73 @@
+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)
+            print("encoding ...", key, value, encoded_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/classes/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']))
+    
+    

gs/classes/sensors/ambilight_sensor.py

@@ -0,0 +1,35 @@
+from gs.classes.a_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()
+
+

gs/classes/sensors/dht22.py

@@ -0,0 +1,37 @@
+from gs.classes.a_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()
+

gs/classes/sensors/moisture_sensor.py

@@ -0,0 +1,39 @@
+# Moisture Sensor Class
+from gs.classes.a_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)
+    
+    

gs/config/app.py

@@ -0,0 +1,4 @@
+dev_api_url = 'api.growsystem.muellerdev.kozow.com'
+api_url = 'api.growsystem.muellerdev.kozow.com'
+read_secs = 15 * 60
+token = "dummy"

gs/config/examples/device_config.json

@@ -0,0 +1 @@
+{"sensors": [{"pin_int": 15, "type": "dht22"}, {"pin_int": 26, "type": "moisture"}], "device_id": 9, "name": "Fulltest1", "token": "uStIrOgScrpbUr0Y", "user_id": 1}

gs/config/examples/initial_config.py

@@ -0,0 +1 @@
+config = {"ssid": "Oppa-95.lan", "user_id": "1", "password": "95%04-MM", "pin": 9534}

gs/device_info.py

@@ -0,0 +1,66 @@
+import network
+import json
+
+
+class DeviceInfo:
+    
+    wlan = network.WLAN(network.STA_IF)
+        
+    app_version = "1.0.0"
+    
+    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.get_name(),
+            'mac_address': self.get_macaddress(),
+            'ip_address': self.get_ipaddress(),
+            'token': self.get_token()}
+    
+    def config(self, filepath=None):
+        return self._loadJsonConfig(filepath)
+    
+    def app_config(self):
+        import gs.config.app as app_config
+        return app_config
+        
+    def server_url(self):
+        return self.app_config().api_url
+    
+    def get_token(self):
+        return self.config()['token'] if self.config() and self.config()['token'] else ''
+    
+    def get_name(self):
+        return self.config()['name'] if self.config() and self.config()['name'] else ''
+    
+    def get_device_id(self):
+        return self.config()['device_id'] if self.config() and self.config()['device_id'] else ''
+    
+    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 _loadJsonConfig(self, filepath=None):
+        filepath = filepath if filepath else '/gs/config/device_config.json'
+        try:
+            file = open(filepath, "r")
+            json_content = file.read()
+            return json.loads(json_content)
+        except OSError:  # open failed
+            print("File not found: ", filepath)
+            return None
+        
+        #with open(filepath, 'r') as file:
+        #    json_content = file.read()
+        #return json.loads(json_content)
+    
+        
+    
+    

gs/exceptions/not_subscriptable_error.py

@@ -0,0 +1,2 @@
+class NotSubscriptableError(Exception):
+    pass

gs/grow_system_api.py

@@ -0,0 +1,69 @@
+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
+import helper.token_helper as th
+
+
+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):
+        print("ACtivate config:", 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)
+        print("REsponse ...", response.content)
+        return self._get_json_encoded(response.text)
+    
+    def update_device_info(self, config):
+        device_id = self.device_info.get_device_id()
+
+        token = self.device_info.get_token()
+
+        print("update device info. Token ...", token)
+        url = self.base_url + "/api/device/" + str(device_id) + "/update-device-info/" + token
+        response = self.http_client.get(url)
+        print("Device Info Update Response ...", response.text)
+        return self._get_json_encoded(response.text)
+           
+    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)
+        try:
+            return json.loads(response.text)
+        except ValueError as e:
+            print("JSON Value error raised after sending measurements")
+        except Exception as e:
+            print("Exception raised while sending measurements", e)
+        return response
+            
+    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 +1,110 @@
+from gs.device_info import DeviceInfo
+import os
+import ujson
+import machine
+import time
+from gs.grow_system_api import GrowSystemApi
+from gs.classes.sensors.ambilight_sensor import AmbilightSensor
+from gs.classes.sensors.dht22 import TemperatureHumiditySensor
+from gs.classes.sensors.moisture_sensor import MoistureSensor
+import gs.config.initial_config as ic
+import helper.token_helper as th
+
+class GrowSystem:
+    
+    version = "1.0.0.1"
+    
+    initial_config = None
+    
+    device_info = DeviceInfo()
+    
+    sensors = []
+    
+    def __init__(self):
+        print("Initialize Growsystem", self.version)
+        self.initial_config = ic
+        self.gsapi = GrowSystemApi()
+    
+    def start(self):
+        from gs.device_info import DeviceInfo
+        di = DeviceInfo()
+        from gs.sensor_data_manager import SensorDataManager
+        self.sensor_data_manager = SensorDataManager(di.get_device_id())
+
+        self._initialize_sensors()
+        print("Start reading sensors ...")
+        
+        read_secs = self.device_info.app_config().read_secs
+        print("Reading and sending every " + str(read_secs) + " seconds")
+        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(read_secs)
+        
+    def activate(self):
+        print("Start activation!")
+        
+        self.initial_config = ic.config
+        device_config = self.gsapi.activate(self.initial_config)
+        print("Device Config:", device_config['data'], device_config['data']['token'])
+        th.write_token(device_config['data']['token'])
+        self.write_device_infos(device_config['data'])
+            
+    def update_device_info(self):
+        print("Start Device Info Update!")
+        self.initial_config = ic.config
+        device_config = self.gsapi.update_device_info(self.initial_config)
+        print("Device Config:", device_config['data'])
+        self.write_device_infos(device_config['data'])
+        
+    def write_device_infos(self, device_config):
+        print("Function received data:", device_config)
+        if True:
+            sensors = device_config['sensors']
+            sensor_configs = []
+            for sensor in sensors:
+                sensor_configs.append(sensor['config'])
+                print(sensor['config'])
+            device_configs = {
+                'name': device_config['name'],
+                'device_id': device_config['id'],
+                'token': device_config['token'],
+                'user_id': device_config['user_id'],
+                'sensors': sensor_configs
+                }
+            print("Update device_config.json with:", device_configs)
+            with open("/gs/config/device_config.json", "w") as f:
+                f.write(ujson.dumps(device_configs))
+                f.close()
+        
+    def _initialize_sensors(self):
+        # Init sensors
+        sensors = self.device_info.config()['sensors']
+        for sensor in 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'])
+                
+

gs/http_client.py

@@ -0,0 +1,38 @@
+import urequests
+import json
+
+class HTTPClient:
+    def __init__(self):
+        pass
+
+    def get(self, url):
+        url = 'https://' + url
+        try:
+            # headers = {'Content-Type': 'application/json'}
+            print("GET request to: ", url)
+            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)
+                return response
+        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:
+                print("Request OK (200)")
+            else:
+                print("Failed to send data.", response.status_code, response.text)
+            return response
+        except Exception as e:
+            print("Exception raised:", e)
+            return None
+            

gs/sensor_data_manager.py

@@ -0,0 +1,24 @@
+from gs.grow_system_api import GrowSystemApi
+# from device_info import DeviceInfo
+from gs.exceptions.not_subscriptable_error import NotSubscriptableError
+
+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):
+        json_response = self.grow_system_api.send_measurements(self.device_id, data)
+        try:
+            print("Response message: " + json_response['message'])
+        except TypeError as e:
+            print("The response is no json data", e, json_response)
+

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()
+

helper/file_helper.py

@@ -0,0 +1,36 @@
+config_path = '/gs/config/'
+
+def is_config_existing():
+    return is_file_existing(config_path + 'device_config.json')
+
+def is_initial_config_existing():
+    return is_file_existing(config_path + 'initial_config.py')
+    
+def is_file_existing(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
+    
+def replace_value(filepath, prop, newvalue):
+    with open(filepath, 'r') as file:
+        config_lines = file.readlines()
+        file.close()
+
+# Parse the config data into a dictionary
+    config_dict = {}
+    for line in config_lines:
+        if '=' in line:
+            key, value = line.strip().split('=')
+            config_dict[key.strip()] = value.strip()
+# Add or Update the value of the property
+    config_dict[prop] = newvalue
+
+# Write the modified data back to the file
+    with open(filepath, 'w') as file:
+        for key, value in config_dict.items():
+            file.write(f"{key} = {value}\n")

helper/token_helper.py

@@ -0,0 +1,9 @@
+import helper.file_helper as fh
+
+app_config_path = '/gs/config/app.py'
+
+def write_token(token):
+    print("Write new token: " + token)
+    fh.replace_value(app_config_path, 'token', '"' + token + '"')
+    #with open(app_config_path, "a") as app_config:
+    #    app_config.write(token)

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)

main.py

@@ -1,29 +1,51 @@
-# GrowSystem
-# Author: Maik Müller (maik@muelleronlineorg)
+## Only start grow system
+from time import sleep
+import helper.file_helper as fh
 
-# 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
+if False:
+    if not self._is_initial_config_existing():
+        print("No config existing. Start setup ...")
+        self._setup()
+        return
+
+        from gs.sensor_data_manager import SensorDataManager
+        self.sensor_data_manager = SensorDataManager(self.device_info.get_device_id())
+        from gs.grow_system_api import GrowSystemApi as GSA
+        self.gsapi = GSA()
+
+        if self._is_config_existing():
+            print("Skip Setup. Config existing.")
+            self._initialize_sensors()
+        elif self._is_initial_config_existing():
+            print("Initial config only existing (no base config). Start activation ...")
+            self._activate()
+            
+            
+def setup():
+    from setup.setup import Setup
+    setup = Setup()
+    setup.setup_pico()
+    machine.reset
 
-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
-}
 
-# Press the green button in the gutter to run the script.
 if __name__ == '__main__':
-    print("Start grow system")
-    gs = GrowSystem(settings)
+    # 1) Check and in case of update Growsystem
+    # 2) Check if initial_config is existing -> Setup if not
+    
+    if not fh.is_initial_config_existing():
+         setup()
+    else:
+        from gs.growsystem import GrowSystem
+        gs = GrowSystem()
+        # 3) if device info exists update Device Info else activate
+        if fh.is_config_existing():
+            gs.update_device_info()
+        else:
+            gs.activate()
+    # 4) Start growsystem
         gs.start()
     
-    # See PyCharm help at https://www.jetbrains.com/help/pycharm/
+    while True:
+        print("Keep running in main.py")
+        sleep(5)
+        

moisture_sensor.py

@@ -1,21 +0,0 @@
-# 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

@@ -1,31 +0,0 @@
-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)

setup/little_apache.py

@@ -0,0 +1,180 @@
+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 = """
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Growsystem Setup</title>
+    <style>
+body {{
+    font-family: Arial, sans-serif;
+    background-color: #f2f2f2;
+    margin: 0;
+    padding: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100vh;
+}}
+
+form {{
+    background-color: #fff;
+    padding: 20px;
+    border-radius: 10px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    max-width: 400px;
+    width: 100%;
+}}
+
+h1 {{
+    text-align: center;
+    color: #333;
+}}
+
+input[type="submit"] {{
+    background-color: #4CAF50;
+    color: white;
+    padding: 10px 20px;
+    border: none;
+    border-radius: 5px;
+    cursor: pointer;
+    font-size: 16px;
+}}
+
+input[type="submit"]:hover {{
+    background-color: #45a049;
+}}
+
+input[type="text"],
+input[type="password"],
+input[type="number"],
+select {{
+    width: 100%;
+    padding: 10px;
+    margin: 5px 0;
+    border: 1px solid #ccc;
+    border-radius: 5px;
+    box-sizing: border-box;
+}}
+    </style>
+</head>
+<body>
+    <h1>Growsystem Setup</h1>
+    <form method="post" action="save">
+        <label for="ssid">SSID:</label><br>
+        <select name="ssid" id="ssid">
+            {}
+        </select><br>
+        <label for="password">Password:</label><br>
+        <input type="password" name="password" id="password"><br><br>
+        <label for="user_id">ID:</label><br>
+        <input type="number" name="user_id" id="user_id"><br>
+        <label for="pin">PIN:</label><br>
+        <input type="number" name="pin" id="pin" maxlength="4"><br>
+        <input type="submit" value="Submit">
+    </form>
+</body>
+</html>
+"""
+            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
+
+            
+

setup/setup.py

@@ -0,0 +1,87 @@
+import network
+import ujson
+import ure as re
+import usocket as socket
+import time
+from setup.little_apache import LittleApache
+
+
+class Setup:
+    
+    wlans = []
+        
+    def __init__(self):
+        print("Start Pico Setup")
+        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'],
+            "user_id": config['user_id']
+        }
+        print("Save initial 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()
+
+

wlan.py

@@ -1,33 +0,0 @@
-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()