lot_manager/ceshi.py

import serial
import time
import struct
import json
import paho.mqtt.client as mqtt

from api import add
from db.models.log_data_model import LOT_DATA


def hex_to_float(hex_str):
    hex_int = int(hex_str, 16)
    return struct.unpack('!f', struct.pack('!I', hex_int))[0]


def print_json(data):
    print(json.dumps(data, sort_keys=True, indent=4, separators=(', ', ': '), ensure_ascii=False))


def run_with_client():
    temp_send = '06 03 01 F4 00 02 85 B2 '  # 温湿度查询指令
    co2_send = '06 03 01 F7 00 02 75 B2 '  # 二氧化碳查询指令
    pressure_send = '06 03 01 F9 00 02 14 71 '  # 气压查询指令
    sun_send = '06 03 01 FA 00 02 E4 71 '  # 光照查询指令

    soil_send = '02 03 00 00 00 04 44 3A'  # 土壤查询指令
    danlinjia_send = '02 03 00 04 00 03 44 39'  # 氮磷钾查询指令

    rainfall_send = '03 03 00 00 00 01 85 E8'  # 雨量查询指令

    windspeed_send = '04 03 00 00 00 02 C4 5E'  # 风速查询指令
    winddirection_send = '05 03 00 00 00 02 C5 8F'  # 风向查询指令

    ser = serial.Serial("/dev/ttyS2", 9600)

    # 发送的数据转为2进制b'\x01\x03\x00\x00\x00\x02\xc4\x0b'
    temp_send = bytes.fromhex(temp_send)
    co2_send = bytes.fromhex(co2_send)
    pressure_send = bytes.fromhex(pressure_send)
    sun_send = bytes.fromhex(sun_send)
    soil_send = bytes.fromhex(soil_send)
    danlinjia_send = bytes.fromhex(danlinjia_send)
    rainfall_send = bytes.fromhex(rainfall_send)
    windspeed_send = bytes.fromhex(windspeed_send)
    winddirection_send = bytes.fromhex(winddirection_send)

    while True:
        #  if ser.is_open:
        ser.write(temp_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        tempbuffer_data = ser.in_waiting
        if tempbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(tempbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            airtemp_data = int(return_data_hex[6:10], 16) / 10
            airhumi_data = int(return_data_hex[10:14], 16) / 10
            time.sleep(5)

        ser.write(co2_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        co2buffer_data = ser.in_waiting
        if co2buffer_data:
            return_data = ser.read(co2buffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            co2_data = int(return_data_hex[6:10], 16)
            time.sleep(5)

        ser.write(pressure_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        pressurebuffer_data = ser.in_waiting
        if pressurebuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(pressurebuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            pressure_data = int(return_data_hex[6:10], 16) / 10
            time.sleep(5)

        ser.write(sun_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        sunbuffer_data = ser.in_waiting
        if sunbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(sunbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            sun_data = int(return_data_hex[6:14], 16)
            time.sleep(5)

        # print('send soil directives')
        ser.write(soil_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        soilbuffer_data = ser.in_waiting
        # print(buffer_data, 'buffer_data')
        if soilbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(soilbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            humidity_data = int(return_data_hex[6:10], 16) / 10
            temperature_data = int(return_data_hex[10:14], 16) / 10
            electrical_data = int(return_data_hex[14:18], 16) / 10
            PH_data = int(return_data_hex[18:22], 16) / 10
            time.sleep(5)

        # print('send danlinjia directives')
        ser.write(danlinjia_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        danlinjiabuffer_data = ser.in_waiting
        # print(buffer_data, 'buffer_data')
        if danlinjiabuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(danlinjiabuffer_data)
            # print('返回的数据2进制:', return_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # # 对返回的数据进行解析，获取温度和湿度数据
            dan_data = int(return_data_hex[6:10], 16) / 10
            lin_data = int(return_data_hex[10:14], 16) / 10
            jia_data = int(return_data_hex[14:18], 16) / 10
            time.sleep(5)

        # print('send rainfall directives')
        ser.write(rainfall_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        rainfallbuffer_data = ser.in_waiting
        # print(buffer_data, 'buffer_data')
        if rainfallbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(rainfallbuffer_data)
            # print('返回的数据2进制:', return_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # print('返回的数据转换为16进制:', return_data_hex)
            # # 对返回的数据进行解析，获取温度和湿度数据
            # print("当前雨量值为：", int(return_data_hex[6:10], 16)/10)#单位mm
            rainfall_data = int(return_data_hex[6:10], 16) / 10
            time.sleep(5)

        ser.write(windspeed_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        windspeedbuffer_data = ser.in_waiting
        # print(buffer_data, 'buffer_data')
        if windspeedbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(windspeedbuffer_data)
            # print('返回的数据2进制:', return_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # print('返回的数据转换为16进制:', return_data_hex)
            # print("当前风速为：", int(return_data_hex[6:10], 16)/10)#单位mm
            speedwind_data = int(return_data_hex[6:10], 16) / 10
            time.sleep(5)

        # print('send winddirection directives')
        ser.write(winddirection_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        winddirectionbuffer_data = ser.in_waiting
        # print(buffer_data, 'buffer_data')
        if winddirectionbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(winddirectionbuffer_data)
            # print('返回的数据2进制:', return_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # print('返回的数据转换为16进制:', return_data_hex)
            # print("当前风向为：", int(return_data_hex[10:14], 16))#单位mm
            winddirection_data = int(return_data_hex[10:14], 16)
            time.sleep(5)
            # print('{"name":"%d","name1":"%d"}', 123,456)
        # data = [{'ngvhgv': airtemp_data}, {'nvjgvjvj':airhumi_data}]
        data = {'ambient_temperature': airtemp_data,
                'ambient_humidity': airhumi_data,
                'carbon_dioxide': co2_data,
                'ambient_air_pressure': pressure_data,
                'ambient_lighting': sun_data,
                'soil_moisture': humidity_data,
                'soil_temperature': temperature_data,
                'soil_conductivity': electrical_data,
                'soil_PH': PH_data,
                'soil_potassium_phosphate_nitrogen': dan_data,
                'soil_potassium_phosphate_phosphorus': lin_data,
                'soil_potassium_phosphate_potassium': jia_data,
                'rainfall': rainfall_data,
                'wind_speed': speedwind_data,
                'wind_direction': winddirection_data,
                'create_time': int(time.time())
                }
        t = LOT_DATA(**data)
        # TODO 判断数据是否正常
        # 发送给服务器
        client.publish('demo', payload=json.dumps(data, ensure_ascii=False), qos=0)
        add(t)


def run_no_client():
    temp_send = '06 03 01 F4 00 02 85 B2 '  # 温湿度查询指令
    co2_send = '06 03 01 F7 00 02 75 B2 '  # 二氧化碳查询指令
    pressure_send = '06 03 01 F9 00 02 14 71 '  # 气压查询指令
    sun_send = '06 03 01 FA 00 02 E4 71 '  # 光照查询指令

    soil_send = '02 03 00 00 00 04 44 3A'  # 土壤查询指令
    danlinjia_send = '02 03 00 04 00 03 44 39'  # 氮磷钾查询指令

    rainfall_send = '03 03 00 00 00 01 85 E8'  # 雨量查询指令

    windspeed_send = '04 03 00 00 00 02 C4 5E'  # 风速查询指令
    winddirection_send = '05 03 00 00 00 02 C5 8F'  # 风向查询指令

    ser = serial.Serial("/dev/ttyS2", 9600)

    # 发送的数据转为2进制b'\x01\x03\x00\x00\x00\x02\xc4\x0b'
    temp_send = bytes.fromhex(temp_send)
    co2_send = bytes.fromhex(co2_send)
    pressure_send = bytes.fromhex(pressure_send)
    sun_send = bytes.fromhex(sun_send)
    soil_send = bytes.fromhex(soil_send)
    danlinjia_send = bytes.fromhex(danlinjia_send)
    rainfall_send = bytes.fromhex(rainfall_send)
    windspeed_send = bytes.fromhex(windspeed_send)
    winddirection_send = bytes.fromhex(winddirection_send)

    while True:
        ser.write(temp_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        tempbuffer_data = ser.in_waiting
        if tempbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(tempbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            airtemp_data = int(return_data_hex[6:10], 16) / 10
            airhumi_data = int(return_data_hex[10:14], 16) / 10
            time.sleep(5)

        ser.write(co2_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        co2buffer_data = ser.in_waiting
        if co2buffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(co2buffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            co2_data = int(return_data_hex[6:10], 16)
            time.sleep(5)

        ser.write(pressure_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        pressurebuffer_data = ser.in_waiting
        if pressurebuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(pressurebuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            pressure_data = int(return_data_hex[6:10], 16) / 10
            time.sleep(5)

        ser.write(sun_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        sunbuffer_data = ser.in_waiting
        if sunbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(sunbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            sun_data = int(return_data_hex[6:14], 16)
            time.sleep(5)

        ser.write(soil_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        soilbuffer_data = ser.in_waiting
        if soilbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(soilbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # 对返回的数据进行解析，获取温度和湿度数据
            humidity_data = int(return_data_hex[6:10], 16) / 10
            temperature_data = int(return_data_hex[10:14], 16) / 10
            electrical_data = int(return_data_hex[14:18], 16) / 10
            PH_data = int(return_data_hex[18:22], 16) / 10
            time.sleep(5)

        ser.write(danlinjia_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        danlinjiabuffer_data = ser.in_waiting
        if danlinjiabuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(danlinjiabuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # # 对返回的数据进行解析，获取温度和湿度数据
            dan_data = int(return_data_hex[6:10], 16) / 10
            lin_data = int(return_data_hex[10:14], 16) / 10
            jia_data = int(return_data_hex[14:18], 16) / 10
            time.sleep(5)

        ser.write(rainfall_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        rainfallbuffer_data = ser.in_waiting
        if rainfallbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(rainfallbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            # # 对返回的数据进行解析，获取温度和湿度数据
            rainfall_data = int(return_data_hex[6:10], 16) / 10
            time.sleep(5)

        ser.write(windspeed_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        windspeedbuffer_data = ser.in_waiting
        if windspeedbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(windspeedbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            speedwind_data = int(return_data_hex[6:10], 16) / 10
            time.sleep(5)

        ser.write(winddirection_send)
        time.sleep(1)
        # 获取返回的缓冲data,获取的是buffer_data的长度    9
        winddirectionbuffer_data = ser.in_waiting
        if winddirectionbuffer_data:
            # 返回的数据为2进制：b'\x01\x03\x04\x01\x08\x022\xfa\xb8'
            return_data = ser.read(winddirectionbuffer_data)
            # 二进制转换为16进制：010304010802307b79
            return_data_hex = str(return_data.hex())
            winddirection_data = int(return_data_hex[10:14], 16)
            time.sleep(5)
        data = {'ambient_temperature': airtemp_data,
                'ambient_humidity': airhumi_data,
                'carbon_dioxide': co2_data,
                'ambient_air_pressure': pressure_data,
                'ambient_lighting': sun_data,
                'soil_moisture': humidity_data,
                'soil_temperature': temperature_data,
                'soil_conductivity': electrical_data,
                'soil_PH': PH_data,
                'soil_potassium_phosphate_nitrogen': dan_data,
                'soil_potassium_phosphate_phosphorus': lin_data,
                'soil_potassium_phosphate_potassium': jia_data,
                'rainfall': rainfall_data,
                'wind_speed': speedwind_data,
                'wind_direction': winddirection_data}
        data = LOT_DATA(**data, create_time=int(time.time()))
        # TODO 判断数据是否正常
        add(data)


times = 3


def on_connect(client, userdata, flags, rc):
    global times
    from threading import Thread
    if rc == 0:
        # print("连接成功，执行数据推送和本地存储")
        nt1 = Thread(target=t1)
        nt1.start()
    else:
        if times != 0:
            times -= 1
            client.reconnect()
        else:
            # print("3次失败，执行本地存储")
            nt2 = Thread(target=t2)
            nt2.start()


def t2():
    run_no_client()


def t1():
    run_with_client()


client = mqtt.Client(transport="websockets")
client.username_pw_set("demo", "123456")
# Specify callback function
client.on_connect = on_connect
# Establish a connection
client.connect('ceshi-mqtt.lihaink.cn', 8083)
# Publish a message
client.loop_forever()