first commit

cnt_collector_232.py

@@ -0,0 +1,277 @@
+import sys, os, time, json
+import serial
+import paho.mqtt.client as mqtt
+import argparse
+
+if os.system("lsmod | grep max7301") == 0:
+    os.system("rmmod gpio-max7301")
+    os.system("rmmod gpio-max730x")
+    os.system("rmmod gpio-pisosr")
+    os.system("insmod /lib/modules/5.4.31/extra/max3109test.ko")
+
+serial_MFC = serial.Serial('/dev/ttyMAX0', baudrate=115200, bytesize=8,
+                           parity='N', stopbits=1, timeout=0.5)
+
+serial_TEMP = serial.Serial('/dev/ttyMAX3', baudrate=9600, bytesize=8,
+                           parity='N', stopbits=1, timeout=0.5)
+
+serial_WINDER = serial.Serial('/dev/ttyMAX2', baudrate=9600, bytesize=8,
+                           parity='N', stopbits=1, timeout=0.5)
+
+parser = argparse.ArgumentParser()
+parser.add_argument('-config',help='')
+args = parser.parse_args()
+
+ROOT_PATH = f'/usr/local/sdt/app/{args.config}'
+
+with open(f'{ROOT_PATH}/connect_info.json') as f:
+    info = json.load(f)
+
+MQTT_TOPIC = info['mqtt']['topic']
+# MQTT_TOPIC = "/axrcnt/device-test/S0NQ0R223090003"
+MQTT_ID = info['mqtt']['id']
+MQTT_PW = info['mqtt']['pw']
+MQTT_HOST_IP = info['mqtt']['host_ip']
+MQTT_PORT = info['mqtt']['port']
+
+mqtt_client = mqtt.Client(info['mqtt']['assetCode'])
+mqtt_client.username_pw_set(MQTT_ID, MQTT_PW)
+
+def MFC_Read_Flow(client):
+    command_hex = '235246310D' # '#RF1'
+    command_bytes = bytes.fromhex(command_hex)
+
+    client.write(command_bytes)
+    time.sleep(0.02)
+    ch1 = client.readline()
+    # print(ch1)
+    ch1 = str(ch1, 'utf-8')
+    # print(ch1)
+    if ch1 != '':        
+        ch1 = float(ch1[:-1])
+    else:
+        ch1 = None
+    time.sleep(0.02)
+
+    command_hex = '235246320D' # '#RF2'
+    command_bytes = bytes.fromhex(command_hex)
+
+    client.write(command_bytes)
+    time.sleep(0.02)
+    ch2 = client.readline()
+    # print(ch2)
+    ch2 = str(ch2, 'utf-8')
+    # print(ch2)
+    if ch2 != '':
+        ch2 = float(ch2[:-1])
+    else:
+        ch2 = None
+    
+    time.sleep(0.02)
+
+    data = {
+        "assetCode": info['mqtt']['assetCode'],
+        "timestamp": int(time.time()),
+        "dataType": "DATA",
+        "data": {
+        }
+    }
+
+    if ch1 != None:
+        data['data']['hydrogen1'] = ch1
+    
+    if ch2 != None:
+        data['data']['hydrogen2'] = ch2
+
+    # print(f'MFC: {data}')
+    Publish_mqtt(data)
+
+def MFC_Write(client, cmd, ch, subcmd=None, value=None):
+    send_data = ['#', 'S']
+    if cmd == 'SetPoint':
+        send_data.append('S')
+    elif cmd == 'SetFlow':
+        send_data.append('F')
+    
+    if ch == 'hydrogen1':
+        send_data.append('1')
+    else: # ch == 'hydrogen2
+        send_data.append('2')
+
+    if subcmd != None:
+        send_data.append(' ')
+        if subcmd == 'On':
+            send_data.append('1')
+        else: # subcmd = 'Off'
+            send_data.append('0')
+    
+    if value != None:
+        send_data.append(' ')
+        send_data.append(value)
+
+    send_data.append('\r')
+    send_data = ''.join(send_data)
+    send_data = send_data.encode()
+
+    send_data_hex = send_data.hex()
+    send_data_hex = bytes.fromhex(send_data_hex)
+
+    client.write(send_data_hex)
+    time.sleep(0.02)
+
+    result = client.readline()
+
+def Temp_Hum_Press_Read(client):
+    ch1_temp, ch1_humi, ch1_pres, ch2_temp, ch2_humi = None, None, None, None, None
+    command_hex = '410030305A53300D'
+    command_bytes = bytes.fromhex(command_hex)
+    
+    client.write(command_bytes)
+    time.sleep(0.3)
+    ch1 = client.readline()
+    #time.sleep(0.02)  
+    # print(f'Receive: 00 {ch1}')
+    parts = ch1.split()
+    if len(parts) > 7:
+        if b'\xf8C' in parts[2]:
+            ch1_temp = float(parts[2][:-2])
+        else:
+            ch1_temp = None
+        
+        if b'RH%' in parts[3]:
+            ch1_humi = float(parts[3][:-3])
+        else:
+            ch1_humi = None
+        
+        if b'hPa' in parts[7]:
+            ch1_pres = float(parts[7][:-3])
+    
+    #time.sleep(5)
+
+    command_hex = '410030315A53300D'
+    command_bytes = bytes.fromhex(command_hex)
+
+    client.write(command_bytes)
+    time.sleep(0.3)
+    ch2 = client.readline()
+    #time.sleep(0.02)
+    # print(f'Receive: 01 {ch2}')
+    parts = ch2.split()
+
+    if len(parts) > 7:
+        if b'\xf8C' in parts[2]:
+            ch2_temp = float(parts[2][:-2])
+        else:
+            ch2_temp = None
+        
+        if b'RH%' in parts[3]:
+            ch2_humi = float(parts[3][:-3])
+        else:
+            ch2_humi = None
+
+    data = {
+        "assetCode":info['mqtt']['assetCode'],
+        "timestamp": int(time.time()),
+        "dataType": "DATA",
+        "data": {
+        }
+    }
+    if ch1_temp != None:
+        data['data']['tempOn'] = ch1_temp
+    
+    if ch1_humi != None:
+        data['data']['humiOn'] = ch1_temp
+    
+    if ch1_pres != None:
+        data['data']['presOn'] = ch1_pres
+    
+    if ch2_temp != None:
+        data['data']['tempSb'] = ch2_temp
+    
+    if ch2_humi != None:
+        data['data']['humiSb'] = ch2_humi
+
+    # print(data)
+
+    Publish_mqtt(data)
+
+def Set_WinderSpeed(client, value):
+    return 0
+
+def Publish_mqtt(data):
+    send_mqtt_data = json.dumps(data, indent=4)
+
+    while True:
+        try:
+            mqtt_client.connect(host=MQTT_HOST_IP, port=MQTT_PORT)
+            break
+        except:
+            continue
+        
+    mqtt_client.publish(topic=MQTT_TOPIC, payload=send_mqtt_data)
+
+    while True:
+        try:
+            mqtt_client.disconnect()
+            break
+        except:
+            continue
+
+def Command_Read():
+    with open(f'{ROOT_PATH}/control.json', 'r', encoding='UTF-8') as f:
+        cmd = json.load(f)
+    
+    # print(cmd)
+    if cmd['type'] != 'null':
+        if 'start' in cmd['type']:
+            if cmd['cmd']['hydrogen1'] != 'null':
+                MFC_Write(client=serial_MFC, ch='hydrogen1', cmd='SetPoint', value=cmd['cmd']['hydrogen1'])
+                MFC_Write(client=serial_MFC, ch='hydrogen1', cmd='SetFlow', subcmd='On')
+                
+            if cmd['cmd']['hydrogen2'] != 'null':
+                MFC_Write(client=serial_MFC, ch='hydrogen2', cmd='SetPoint', value=cmd['cmd']['hydrogen2'])
+                MFC_Write(client=serial_MFC, ch='hydrogen2', cmd='SetFlow', subcmd='On')
+            
+            if cmd['cmd']['speedRol'] != 'null':
+                Set_WinderSpeed(serial_WINDER, value=cmd['cmd']['speedRol'])
+        
+        elif 'change' in cmd['type']:
+            if cmd['cmd']['hydrogen1'] != 'null':
+                MFC_Write(client=serial_MFC, ch='hydrogen1', cmd='SetPoint', value=cmd['cmd']['hydrogen1'])
+            
+            if cmd['cmd']['hydrogen2'] != 'null':
+                MFC_Write(client=serial_MFC, ch='hydrogen2', cmd='SetPoint', value=cmd['cmd']['hydrogen2'])
+
+            if cmd['cmd']['speedRol'] != 'null':
+                Set_WinderSpeed(serial_WINDER, value=cmd['cmd']['speedRol'])
+
+        else: # 'stop' in cmd['type]
+            MFC_Write(client=serial_MFC, ch='hydrogen1', cmd='SetFlow', subcmd='Off')
+            MFC_Write(client=serial_MFC, ch='hydrogen2', cmd='SetFlow', subcmd='Off')
+            Set_WinderSpeed(serial_WINDER, value=cmd['cmd']['speedRol'])
+
+        cmd = {
+            'type': 'null',
+            'cmd': {
+                'hydrogen1': 'null',
+                'hydrogen2': 'null',
+                'speedRol': 'null'
+            } 
+        }
+        with open(f'{ROOT_PATH}/control.json', 'w') as f:
+            json.dump(cmd, f)
+
+while True:
+    start = time.time()
+
+    Command_Read()
+    
+    MFC_Read_Flow(serial_MFC)
+
+    Temp_Hum_Press_Read(serial_TEMP)
+
+    end = time.time()
+    diff = end - start
+    # print(diff)
+    if diff < 3:
+        time.sleep(3 - diff)

cnt_collector_232.service

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+[Unit]
+Description=cnt_collector_232
+
+[Service]
+ExecStart=/usr/bin/python3 /usr/local/sdt/app/cnt_collector_232/cnt_collector_232.py -config cnt_collector_232
+Restart=always
+RestartSec=10
+
+[Install]
+WantedBy=multi-user.target

connect_info.json

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+{
+	"mqtt":{
+		"topic":"/axrcnt/device-data/S0NQ0R223090003",
+		"id":"sdt",
+		"pw":"251327",
+		"host_ip":"13.209.39.139",
+		"port":32259,
+    "assetCode" : "S0NQ0R223090003"
+	}
+}

control.json

@@ -0,0 +1,8 @@
+{
+    "type": "null",
+    "cmd": {
+        "hydrogen1": "null",
+        "hydrogen2": "null",
+        "speedRol": "null"
+    } 
+}

install.sh

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+#!/bin/bash
+
+set -e
+
+sudo sed -i "s/appName/$1/g" /usr/local/sdt/app/$1/cnt_collector_232.service
+sudo cp /usr/local/sdt/app/$1/cnt_collector_232.service /etc/systemd/system/$1.service
+sudo systemctl start $1
+sudo systemctl enable $1
+