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import time
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import serial
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import struct
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import modbus_tk.defines as cst
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from app.lib import StaticData
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from app.lib.StaticData import DeviceStatus
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from app.lib.Utils import Utils
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from modbus_tk import modbus_rtu
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from app.conf.Setting import settings
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from app.lib.Log import logger
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'''
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下位机地址定义
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'''
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EXPERIMENT = 801 #试验操作地址位
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STATUS_ADDR_BEGIN =3701 #获取状态信息地址位
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ELECT_SWITCH =102 #电磁阀
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'''
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工作模式定义
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'''
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STATUS_ADDR_LENGTH =24 #获取状态长度
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State_dict={
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"0": "空闲",
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"1": "升温阶段",
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"2": "结果判定中",
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}
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class Status(object):
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'''
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状态数据结构
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'''
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status: int = None #状态 0 1 2
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status_text: str = None #状态
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temp1: str = None #铜炉中心温度
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temp2: str = None #加热铜块温度
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temp3: str = None #样品温度
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temp4: str = None #自燃温度
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sy_work_time: str = None
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switch_state = None
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result = None
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def keys(self):
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return ["status", "status_text", "temp1", "temp2", "temp3", "temp4", "sy_work_time", "switch_state", "result"]
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def __getitem__(self, key):
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return getattr(self,key)
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class ModbusConnection(object):
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'''
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Modbus连接管理器
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'''
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def __init__(self):
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try:
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self.serial =serial.Serial(port=settings.PORT,baudrate=settings.BAUDRATE, bytesize=settings.BYTESIZE, stopbits=settings.STOPBITS)
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self.master = modbus_rtu.RtuMaster(self.serial)
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self.master.set_timeout(1.0)
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except Exception as e:
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logger.error(f"连接串口异常: {e}")
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def parser_status(self,data_bytes):
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'''
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解析状态
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'''
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channel1_status =struct.unpack('>H', data_bytes[0:2])[0]
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channel2_status =struct.unpack('>H', data_bytes[2:4])[0]
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channel3_status =struct.unpack('>H', data_bytes[4:6])[0]
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channel4_status =struct.unpack('>H', data_bytes[6:8])[0]
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channel5_status =struct.unpack('>H', data_bytes[8:10])[0]
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channel1_voltage =float(int(struct.unpack('>H', data_bytes[10:12])[0]) /10) #电压 /10获取小数
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channel2_voltage =float(int(struct.unpack('>H', data_bytes[12:14])[0]) /10)
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channel3_voltage =float(int(struct.unpack('>H', data_bytes[14:16])[0]) /10)
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channel4_voltage =float(int(struct.unpack('>H', data_bytes[16:18])[0]) /10)
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channel5_voltage =float(int(struct.unpack('>H', data_bytes[18:20])[0]) /10)
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channel1_electricity =float(int(struct.unpack('>H', data_bytes[20:22])[0]) /10) #电流
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channel2_electricity =float(int(struct.unpack('>H', data_bytes[22:24])[0]) /10)
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channel3_electricity =float(int(struct.unpack('>H', data_bytes[24:26])[0]) /10)
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channel4_electricity =float(int(struct.unpack('>H', data_bytes[26:28])[0]) /10)
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channel5_electricity =float(int(struct.unpack('>H', data_bytes[28:30])[0]) /10)
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channel1_temperature =float(int(struct.unpack('>H', data_bytes[30:32])[0]) /10) #温度
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channel2_temperature =float(int(struct.unpack('>H', data_bytes[32:34])[0]) /10)
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channel3_temperature =float(int(struct.unpack('>H', data_bytes[34:36])[0]) /10)
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channel4_temperature =float(int(struct.unpack('>H', data_bytes[36:38])[0]) /10)
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channel5_temperature =float(int(struct.unpack('>H', data_bytes[38:40])[0]) /10)
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zfm_temperature =float(int(struct.unpack('>H', data_bytes[40:42])[0]) /10) # 蒸发皿温度
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xt_temperature =float(int(struct.unpack('>H', data_bytes[42:44])[0]) /10) # 箱体温度
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kzzt_temperature =int(struct.unpack('>H', data_bytes[44:46])[0]) # 温度控制状态
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exception_status =int(struct.unpack('>H', data_bytes[46:48])[0]) # 异常状态1 bit0--继电器通讯失败 bit2--加热功能异常 bit3--制冷功能异常
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StaticData.DeviceStatus.zfm_temperature = zfm_temperature
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StaticData.DeviceStatus.xt_temperature = xt_temperature
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StaticData.DeviceStatus.kzzt_temperature = kzzt_temperature
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StaticData.DeviceStatus.exception_status = exception_status
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for item in StaticData.ChannelDatas:
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if item.name == '通道一':
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item.status = channel1_status
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item.voltage = channel1_voltage
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item.electricity = channel1_electricity
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item.temperature = channel1_temperature
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elif item.name == '通道二':
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item.status = channel2_status
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item.voltage = channel2_voltage
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item.electricity = channel2_electricity
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item.temperature = channel2_temperature
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elif item.name == '通道三':
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item.status = channel3_status
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item.voltage = channel3_voltage
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item.electricity = channel3_electricity
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item.temperature = channel3_temperature
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elif item.name == '通道四':
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item.status = channel4_status
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item.voltage = channel4_voltage
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item.electricity = channel4_electricity
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item.temperature = channel4_temperature
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elif item.name == '通道五':
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item.status = channel5_status
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item.voltage = channel5_voltage
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item.electricity = channel5_electricity
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item.temperature = channel5_temperature
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return None
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# def parser_status(self,data_bytes):
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# '''
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# 解析状态
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# '''
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# status.status =struct.unpack('>H', data_bytes[0:2])[0]
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#
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# status.temp1 = round(struct.unpack('>f', data_bytes[8:10] + data_bytes[6:8])[0],2)
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# status.temp2 = round(struct.unpack('>f', data_bytes[12:14] + data_bytes[10:12])[0],2)
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# status.temp3 = round(struct.unpack('>f', data_bytes[16:18] + data_bytes[14:16])[0],2)
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# status.temp4 = round(struct.unpack('>f', data_bytes[20:22] + data_bytes[18:20])[0],2)
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#
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# status.sy_work_time = round(struct.unpack('>f', data_bytes[24:26] + data_bytes[22:24])[0],2)
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# status.switch_state = struct.unpack('>H', data_bytes[26:28])[0]
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# status.result = struct.unpack('>H', data_bytes[28:30])[0]
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# return status
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def Experiment(self,**kwargs_):
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'''
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试验操作
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'''
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channel_dict = {'通道一':1, '通道二':10, '通道三':100, '通道四':1000, '通道五':10000 ,'全部': 11111}
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channel_list = kwargs_["channel_list"]
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channel = 0
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for name in channel_list:
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channel += channel_dict.get(name)
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work_time = int(kwargs_["work_time"] * 60)
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place_holding = struct.pack('>H', int(0))#0 占位符
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d_work_status = struct.pack('>H', 1)#1开始试验0停止试验
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d_sy_time = struct.pack('>H', work_time) # 实验时间
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channel_list = struct.pack('>H', int(channel)) # 通道有效位 00111就代表前3个通道有效 关闭时通道位也传1 模式传0
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temperature = struct.pack('>H', int(float(kwargs_["temperature"]) * 10)) # 目标温度 比如511，就是51.1度
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temperature_control = struct.pack('>H', int(kwargs_["temperature_control"] or 0)) # 是否开启控温 0关闭 1开启
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output = (
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d_work_status
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+ d_sy_time
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+ channel_list
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+ temperature
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+ temperature_control
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)
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print(f'开始实验参数::::::::::{d_work_status},{d_sy_time},{channel_list},{temperature},{temperature_control}')
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vl_output = Utils.bytes_to_int_list(output)
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try:
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res = self.master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, starting_address=EXPERIMENT, output_value=vl_output) # [11,12,13,12]
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except Exception as e:
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print(f'试验操作异常: {e}')
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res = None
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print(f'开始实验返回值:::::::::::::{res}')
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return res
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# def Experiment(self,**kwargs_):
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# '''
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# 试验操作
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# '''
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# place_holding = struct.pack('>H', int(0))#0 占位符
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# d_work_status = struct.pack('>H', int(kwargs_["work_status"]))#1开始试验2停止试验
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# elect_switch = struct.pack('>H', int(kwargs_["elect_switch"]))
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#
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# d_natural_temp = struct.pack('>f', float(kwargs_["natural_temp"]))
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# d_sy_time = struct.pack('>f', float(kwargs_["max_work_time"] or 30))
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#
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# output = (
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# d_work_status
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# + elect_switch
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# + place_holding
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# + d_natural_temp[2:] + d_natural_temp[:2]
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# + place_holding + place_holding
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# + d_sy_time[2:] + d_sy_time[:2]
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# )
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# vl_output = Utils.bytes_to_int_list(output)
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# try:
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# res = self.master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, starting_address=EXPERIMENT, output_value=vl_output) # [11,12,13,12]
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# except Exception as e:
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# print(f'试验操作异常: {e}')
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# res = None
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# return res
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def StopExperiment(self, **kwargs_):
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'''
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停止试验操作
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'''
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channel_dict = {'通道一':1, '通道二':10, '通道三':100, '通道四':1000, '通道五':10000 ,'全部': 11111}
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channel_list = kwargs_["channel_list"]
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d_work_status = struct.pack('>H', 0)#1开始试验0停止试验
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channel_list = struct.pack('>H', int(channel_dict.get(channel_list[0]))) # 通道有效位 00111就代表前3个通道有效 关闭时通道位也传1 模式传0 00001 一通道 00010 二通道 00100 三通道 01000 四通道 10000 五通道
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print(f'结束实验参数::::::::::{d_work_status},{channel_list}')
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try:
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res = self.master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, starting_address=(EXPERIMENT+2), output_value=Utils.bytes_to_int_list(channel_list))
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time.sleep(0.2)
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res = self.master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, starting_address=EXPERIMENT, output_value=Utils.bytes_to_int_list(d_work_status))
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except Exception as e:
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res = None
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print(f'结束实验返回值:::::::::::::{res}')
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return res
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def Send_Mes(self,Addr,status):
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'''
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Addr 地址位
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'''
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d_0 = struct.pack('>H', status)
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output = (d_0)
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vl_output = Utils.bytes_to_int_list(output)
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try:
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res =self.master.execute(1, cst.WRITE_MULTIPLE_REGISTERS,starting_address=Addr, output_value=vl_output)
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except Exception as e:
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print(e)
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res = None
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return res
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def get_status(self):
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'''
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获取状态
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'''
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try:
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status = self.master.execute(
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1,
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cst.READ_INPUT_REGISTERS,
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STATUS_ADDR_BEGIN,
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STATUS_ADDR_LENGTH
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)
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except Exception as e:
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logger.error(f"获取状态异常: {e}")
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return None
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print('status:::::::::::::',status) # [12,4,4]
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print(':int_list_to_bytes:::::',status) # [0xdd,0xll]
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print('parser_status:::::::::::::',self.parser_status(Utils.int_list_to_bytes(status))) #
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return self.parser_status(Utils.int_list_to_bytes(status))
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modbus_obj = ModbusConnection()
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# 获取状态
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modbus_obj.get_status()
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# 开始实验
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# kwargs_={}
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# kwargs_["work_status"] = 1
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# kwargs_["elect_switch"] = 0
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# kwargs_["natural_temp"] = 40
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# kwargs_["max_work_time"] = 30
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#
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# modbus_obj.Experiment(**kwargs_)
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