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/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

@@ -1 +1,2 @@
-api_url = 'https://growsystem.muellerdev.kozow.com/api/'
+api_url = 'api.growsystem.muellerdev.kozow.com'
+read_secs = 1 * 60

gs/config/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/device_config.py

@@ -1 +0,0 @@
-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

@@ -1 +1 @@
-config = {"pin": "1234", "password": "95%04-MM", "ssid": "Oppa-95.lan"}
+config = {"ssid": "Oppa-95.lan", "user_id": "1", "password": "95%04-MM", "pin": 9534}

gs/device_info.py

@@ -4,48 +4,10 @@ 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)
         
+    app_version = "1.0.0"
+    
     def get_macaddress(self):
         return self._format_mac(self.wlan.config('mac').hex())
     
@@ -54,13 +16,29 @@ class DeviceInfo:
     
     def get_all_device_infos(self):
         return {
-            'name': self.name,
+            'name': self.get_name(),
             'mac_address': self.get_macaddress(),
             'ip_address': self.get_ipaddress(),
-            'token': self.token}
+            'token': self.get_token()}
     
-    def config(self):
+    def config(self, filepath=None):
-        return self._loadConfig()
+        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
@@ -69,10 +47,20 @@ class DeviceInfo:
         formatted_mac = ":".join(pairs)
         return formatted_mac
     
-    def _loadConfig(self):
+    def _loadJsonConfig(self, filepath=None):
-        with open('/gs/config/sensors.py', 'r') as file:
+        filepath = filepath if filepath else '/gs/config/device_config.json'
+        try:
+            file = open(filepath, "r")
             json_content = file.read()
-        return json.loads(json_content)
+            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

@@ -14,7 +14,7 @@ class GrowSystemApi:
     base_url = ''
     
     def __init__(self):
-        self.base_url = self.device_info.server_url
+        self.base_url = self.device_info.server_url()
         self.connect_wifi(ic.config['ssid'], ic.config['password'])
         
         # config = self.device_info.config()
@@ -22,6 +22,7 @@ class GrowSystemApi:
         # print("Test", config['test'])
         
     def activate(self, config):
+        print("ACtivate config:", config)
         data = self._get_device_data()
         data.update({
             'user_id': 1,
@@ -29,6 +30,7 @@ class GrowSystemApi:
             })
         print("activate ...", data)
         response = self.http_client.post(self.base_url + "/api/device/activate", data)
+        print("REsponse ...", response)
         return self._get_json_encoded(response.text)
          
     def say_hello(self):
@@ -41,7 +43,13 @@ class GrowSystemApi:
     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)
+        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()

gs/growsystem.py

@@ -1,6 +1,13 @@
 from gs.setup import Setup
+from gs.device_info import DeviceInfo
+from gs.sensor_data_manager import SensorDataManager
 import os
 import ujson
+import machine
+import time
+from gs.classes.sensors.ambilight_sensor import AmbilightSensor
+from gs.classes.sensors.dht22 import TemperatureHumiditySensor
+from gs.classes.sensors.moisture_sensor import MoistureSensor
 
 
 class GrowSystem:
@@ -9,6 +16,10 @@ class GrowSystem:
     
     initial_config = None
     
+    device_info = DeviceInfo()
+    
+    sensors = []
+    
     def __init__(self):
         print("Initialize Growsystem", self.version)
         
@@ -22,13 +33,37 @@ class GrowSystem:
         
         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 start(self):
+        self.sensor_data_manager = SensorDataManager(self.device_info.get_device_id())
+        
+        print("Start reading sensors ...")
+        
+        read_secs = self.device_info.app_config().read_secs
+        
+        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 _setup(self):
         setup = Setup()
         setup.setup_pico()
+        machine.reset
         
     def _activate(self):
         print("Start activation!")
@@ -36,16 +71,27 @@ class GrowSystem:
         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 = []
+        if True:
-        for sensor in sensors:
+            sensors = device_config['data']['sensors']
-            sensor_configs.append(sensor['config'])
+            sensor_configs = []
-            print(sensor['config'])
+            for sensor in sensors:
-        with open("/gs/config/device_config.py", "w") as f:
+                sensor_configs.append(sensor['config'])
-            f.write("sensors = " + ujson.dumps(sensor_configs))
+                print(sensor['config'])
+            device_configs = {
+                'name': device_config['data']['name'],
+                'device_id': device_config['data']['id'],
+                'token': device_config['data']['token'],
+                'user_id': device_config['data']['user_id'],
+                'sensors': sensor_configs
+                }
+            with open("/gs/config/device_config.json", "w") as f:
+                f.write(ujson.dumps(device_configs))
+            if self._is_config_existing():
+                machine.reset
         
     def _is_config_existing(self):
-        return self._is_file_existing('/gs/config/config.py')
+        return self._is_file_existing('/gs/config/device_config.json')
     
     def _is_initial_config_existing(self):
         return self._is_file_existing('/gs/config/initial_config.py')
@@ -60,3 +106,24 @@ class GrowSystem:
            # handle the file open cas
             return False
         
+    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

@@ -26,10 +26,11 @@ class HTTPClient:
             print("Send post request to: " + url)
             response = urequests.post(url, data=json_data, headers=headers)
             if response.status_code == 200:
-                return response
+                print("Request OK (200)")
             else:
-                print("Failed to send data. Status code:", response.status_code)
+                print("Failed to send data.", response.status_code, response.text)
-                print(response.text)
+            return response
         except Exception as e:
-            print("Exception occurred:", e)
+            print("Exception raised:", e)
+            return None
             

gs/little_apache.py

@@ -81,8 +81,9 @@ class LittleApache():
             <h1>Setup Pico</h1>
         <form method="post" action="save">
         SSID: <select name="ssid">{}</select><br>
-        Password: <input type="password" name="password"><br>
+        Password: <input type="password" name="password"><br><br>
-        PIN: <input type="text" name="pin" maxlength="4"><br>
+        ID: <input type="number" name="user_id"/><br/>
+        PIN: <input type="number" name="pin" maxlength="4"><br>
         <input type="submit" value="Submit">
         </form>            
             """

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/setup.py

@@ -57,9 +57,10 @@ class Setup:
         config = {
             "ssid": config['ssid'],
             "password": config['password'],
-            "pin": config['pin']
+            "pin": config['pin'],
+            "user_id": config['user_id']
         }
-        print("Save config:", config)
+        print("Save initial config:", config)
         with open("/gs/config/initial_config.py", "w") as f:
             f.write("config = " + ujson.dumps(config))
 

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

@@ -5,6 +5,7 @@ from time import sleep
 
 if __name__ == '__main__':
     gs = GrowSystem()
+    gs.start()
     
     while True:
         print("Keep running in main.py")