118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
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#!/usr/bin/python
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# -*- coding:utf-8 -*-
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import RPi.GPIO as GPIO
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import minimalmodbus
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import serial
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import time
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import random
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import paho.mqtt.client as mqtt
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# Modbus Configuration
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mb_address = 1
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sensy_boi = minimalmodbus.Instrument('/dev/ttyUSB0', mb_address)
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sensy_boi.serial.baudrate = 9600
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sensy_boi.serial.bytesize = 8
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sensy_boi.serial.parity = minimalmodbus.serial.PARITY_NONE
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sensy_boi.serial.stopbits = 1
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sensy_boi.serial.timeout = 0.5
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sensy_boi.mode = minimalmodbus.MODE_RTU
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# GPIO Setup
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(17, GPIO.IN)
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# MQTT Configuration
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broker_address = "65.108.199.212" # IP or hostname
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port = 1883
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topic = "iiot"
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def on_publish(client, userdata, result):
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print("Data published!")
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def send_at(command, expected_response, timeout):
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ser.write((command + '\r\n').encode())
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time.sleep(timeout)
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rec_buff = ser.read(ser.inWaiting()).decode()
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if expected_response in rec_buff:
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print(rec_buff)
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return True
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else:
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print(f"{command} ERROR: {rec_buff}")
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return False
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def get_gps_position():
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print("Initializing GPS...")
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if send_at("AT+CGPS=1,1", "OK", 1):
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while True:
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if send_at("AT+CGPSINFO", "+CGPSINFO: ", 1):
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if ",,,,,," in rec_buff:
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print("GPS not acquired")
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break
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else:
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print(f"Error getting GPS data: {rec_buff}")
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send_at("AT+CGPS=0", "OK", 1)
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break
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time.sleep(1.5)
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def power_on(power_key):
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print('SIM7600X is starting...')
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GPIO.setup(power_key, GPIO.OUT)
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GPIO.output(power_key, GPIO.HIGH)
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time.sleep(2)
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GPIO.output(power_key, GPIO.LOW)
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time.sleep(20)
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ser.flushInput()
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print('SIM7600X is ready')
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def power_down(power_key):
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print('SIM7600X is logging off...')
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GPIO.output(power_key, GPIO.HIGH)
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time.sleep(3)
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GPIO.output(power_key, GPIO.LOW)
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time.sleep(18)
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print('Goodbye')
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def write_to_influxdb(measurement, tags, fields):
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point = influxdb_client.Point(measurement).tag(**tags).field(**fields)
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write_api = client.write_api(write_options=SYNCHRONOUS)
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write_api.write(bucket=bucket, record=point)
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def read_sensor_data():
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try:
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client = mqtt.Client("iiot")
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client.on_publish = on_publish
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client.connect(broker_address, port)
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while True:
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if GPIO.input(17) == GPIO.HIGH:
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data = sensy_boi.read_registers(0, 2, 3)
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humidity = data[0] / 10
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temperature = data[1] / 10
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print("-------------------------------------")
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print(f"Temperature: {temperature}°C")
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print(f"Humidity: {humidity}%")
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print("-------------------------------------")
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payload = f"Temperature: {temperature}°C, Humidity: {humidity}%"
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client.publish(topic, payload)
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# Prepare data for InfluxDB
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measurement_name = "sensor_data"
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location_tag = "your_location" # Replace with actual location
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fruit_tag = "your_fruit" # Replace with actual fruit
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id_tag = "your_id" # Replace with actual ID
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write_to_influxdb(
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measurement=measurement_name,
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tags={
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"location": location_tag,
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"fruit": fruit_tag,
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"id": id_tag,
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},
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fields={
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"temperature": temperature, # Corrected variable name
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"humidity": humidity, # Add humidity field if needed
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}
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)
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