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{ {
"appId": "81a695f0-a990-43c8-998f-2ba1bf9c6005", "appId": "81a695f0-a990-43c8-998f-2ba1bf9c6005",
"modbus-server": { "modbus-server": {
"address": "172.17.16.202", "address": "172.17.16.202",
"port": 5020 "port": 5020
}, },
"tcp-server": { "tcp-server": {
"address": "172.17.16.201", "address": "172.17.16.201",
"port": 24 "port": 24
}, },
"volume-water": 542 "volume-water": 542
} }

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{ {
"device": { "device": {
"setzero": { "setzero": {
"action": "Off" "action": "Off"
}, },
"measure": { "measure": {
"action": "On" "action": "On",
}, "duration": 20
"mixed": { },
"action": "Off" "mixed": {
}, "action": "Off",
"pure": { "duration": 15
"action": "Off", },
"duration": 1.5 "pure": {
}, "action": "Off",
"enter":{ "duration": 15
"action": "Off" },
}, "vent": {
"vent": { "action": "Off",
"action": "On" "duration": 30
}, },
"motor": { "motor": {
"action": "Off" "action": "Off"
}, }
"main": { },
"action": "Off", "type": "manual"
"duration": 1.5 }
}
},
"working-time":{
"step0": 5,
"step1": 10,
"step2": 6,
"step3": 7,
"step4": 20,
"step5": 10,
"step6": 6,
"step7": 6,
"step8": 10,
"step9": 0.5
},
"maintenance": {
"clean": {
"duration": 20,
"time": 25
}
},
"type": "manual"
}

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version: bwc/v2 # bwc 버전 정보입니다. version: bwc/v2 # bwc 버전 정보입니다.
spec: spec:
appName: sampyo-dio-app # 앱의 이름입니다. appName: sampyo-dio-app # 앱의 이름입니다.
runFile: main.py # 앱의 실행 파일입니다. runFile: main.py # 앱의 실행 파일입니다.
env: env:
bin: python3 # 앱을 실행할 바이너라 파일 종류입니다.(장비에 따라 다르므로 확인 후 정의해야 합니다.) bin: python3 # 앱을 실행할 바이너라 파일 종류입니다.(장비에 따라 다르므로 확인 후 정의해야 합니다.)
virtualEnv: base # 사용할 가상환경 이름입니다. virtualEnv: base # 사용할 가상환경 이름입니다.
package: requirements.txt # 설치할 Python 패키지 정보 파일입니다.(기본 값은 requirement.txt 입니다.) package: requirements.txt # 설치할 Python 패키지 정보 파일입니다.(기본 값은 requirement.txt 입니다.)
stackbase: stackbase:
tagName: v0.0.49 # Stackbase(gitea)에 릴리즈 태그명 입니다. tagName: v0.0.14 # Stackbase(gitea)에 릴리즈 태그명 입니다.
repoName: sampyo-dio # Stackbase(gitea)에 저장될 저장소 이릅니다. repoName: sampyo-dio # Stackbase(gitea)에 저장될 저장소 이릅니다.

877
main.py
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import json import json
import time import time
import argparse import argparse
import sys, signal import sys, signal
import gpiod import gpiod
from pymodbus.client import ModbusTcpClient from pymodbus.client import ModbusTcpClient
# import AWSIoTPythonSDK.MQTTLib as AWSIoTPyMQTT # import AWSIoTPythonSDK.MQTTLib as AWSIoTPyMQTT
import sdtcloudnodeqmqtt import sdtcloudnodeqmqtt
import pytz import pytz
from datetime import datetime from datetime import datetime
import threading, socket import threading, socket
import uuid import uuid
def Motor(chip, status, action): def Motor(chip, status, action):
if action == 'On': if action == 'On':
status[0] = 1 status[0] = 1
else: # action == 'Off' else: # action == 'Off'
status[0] = 0 status[0] = 0
chip.set_values(status) chip.set_values(status)
def Valve_Vent(chip, status, action): def Valve_Vent(chip, status, action):
if action == 'On': if action == 'On':
status[1] = 1 status[1] = 1
else: # action == 'Off' else: # action == 'Off'
status[1] = 0 status[1] = 0
chip.set_values(status) chip.set_values(status)
def Valve_MixedWater(chip, status, action): def Valve_MixedWater(chip, status, action):
if action == 'On': if action == 'On':
status[2] = 1 status[2] = 1
else: # action == 'Off' else: # action == 'Off'
status[2] = 0 status[2] = 0
chip.set_values(status) chip.set_values(status)
def Valve_PureWater(chip, status, action, duration=7): def Valve_PureWater(chip, status, action):
global pure_valve_status if action == 'On':
status[3] = 1
status[2] = 0 else: # action == 'Off'
status[3] = 0 status[3] = 0
chip.set_values(status)
time.sleep(0.05) chip.set_values(status)
if pure_valve_status != 0 and action == 'Off': def Measure_Weight(client):
status[2] = 0 # print('In')
status[3] = 1 val = 0
chip.set_values(status) try:
time.sleep(7) result = client.read_holding_registers(1, 1)
pure_valve_status = 0 if result.isError():
elif pure_valve_status == 0 and action == 'On': print(f'Error: {result}')
status[2] = 1 else:
status[3] = 0 val = result.registers[0]
chip.set_values(status) val -= 1000
time.sleep(duration) val /= 1000
if duration >= 7: print(f'value: {val}')
pure_valve_status = 2 except Exception as e:
elif duration < 7: pass
pure_valve_status = 1
return val
status[2] = 0
status[3] = 0 def Calculate_Concentration(weight):
chip.set_values(status) global data, volume_water
time.sleep(0.05) data['data']['weight'] = weight
result = (float(weight) * volume_water * 128.5) - 126.11 # 1000 / 531 = 1.883239171
def Valve_EnterWater(chip, status, action): data['data']['concentration'] = result
if action == 'On': # print(f'{weight}, {result}')
status[4] = 1
else: # action == 'Off' def Set_Zero(client):
status[4] = 0 client.write_coil(1, 1)
chip.set_values(status) def Command_Read():
with open('./control.json', 'r') as f:
def Valve_MainWater(chip, status, action, duration=7): cmd = json.load(f)
global main_valve_status
if cmd['type'] == 'auto':
status[5] = 0
status[6] = 0 Valve_Vent(chip=output_lines, status=status, action='Off')
chip.set_values(status) Motor(chip=output_lines, status=status, action='Off')
time.sleep(0.05)
mixed_duration = int(cmd['device']['mixed']['duration'])
if main_valve_status != 0 and action == 'Off': pure_duration = int(cmd['device']['pure']['duration'])
status[5] = 0 vent_duration = int(cmd['device']['vent']['duration'])
status[6] = 1 measure_duration = int(cmd['device']['vent']['duration'])
chip.set_values(status)
time.sleep(7) time.sleep(5)
main_valve_status = 0 start = Measure_Weight(client=client)
elif main_valve_status == 0 and action == 'On': time.sleep(5)
status[5] = 1
status[6] = 0 # input mixed water
chip.set_values(status) Valve_MixedWater(chip=output_lines, status=status, action='On')
time.sleep(duration) time.sleep(mixed_duration)
if duration >= 7: Valve_MixedWater(chip=output_lines, status=status, action='Off')
main_valve_status = 2 time.sleep(measure_duration)
elif duration < 7:
main_valve_status = 1 # measure weight
end = Measure_Weight(client=client)
status[5] = 0 time.sleep(1)
status[6] = 0
chip.set_values(status) Calculate_Concentration(weight=(float(end)-float(start)))
time.sleep(0.05)
# vent mixed water
def Measure_Weight(client): Valve_Vent(chip=output_lines, status=status, action='On')
# print('in') time.sleep(0.5)
val = 0 Motor(chip=output_lines, status=status, action='On')
try: time.sleep(vent_duration)
result = client.read_holding_registers(1, 1) Motor(chip=output_lines, status=status, action='Off')
if not result: time.sleep(0.5)
print(f'Error: {result}') Valve_Vent(chip=output_lines, status=status, action='Off')
else: time.sleep(0.5)
val = result.registers[0]
val -= 1000 # input pure water
val /= 1000 Valve_PureWater(chip=output_lines, status=status, action='On')
# print(f'value: {val}') time.sleep(pure_duration)
except Exception as e: Valve_PureWater(chip=output_lines, status=status, action='Off')
print(f'Measure_Weight Error: {e}') time.sleep(0.5)
pass
# vent pure water
return float(val) Valve_Vent(chip=output_lines, status=status, action='On')
time.sleep(0.5)
def Calculate_Concentration(weight): Motor(chip=output_lines, status=status, action='On')
global data, volume_water time.sleep(vent_duration)
data['data']['weight'] = weight Motor(chip=output_lines, status=status, action='Off')
result = (float(weight) * volume_water * 128.5) - 126.11 # 1000 / 531 = 1.883239171 time.sleep(0.5)
data['data']['concentration'] = result Valve_Vent(chip=output_lines, status=status, action='Off')
# print(f'{weight}, {result}') time.sleep(1)
def Set_Zero(client): return 1
client.write_coil(1, 1)
else: # cmd['type'] == 'manual'
def Command_Read(): Motor(chip=output_lines, status=status, action=cmd['device']['motor']['action'])
global client, main_valve_status Valve_Vent(chip=output_lines, status=status, action=cmd['device']['vent']['action'])
Valve_MixedWater(chip=output_lines, status=status, action=cmd['device']['mixed']['action'])
with open('./control.json', 'r') as f: Valve_PureWater(chip=output_lines, status=status, action=cmd['device']['pure']['action'])
cmd = json.load(f) if cmd['device']['measure']['action'] == 'On':
result = Measure_Weight(client=client)
if cmd['type'] == 'auto': Calculate_Concentration(result)
main_duration = float(cmd['device']['main']['duration']) return 1
pure_duration = float(cmd['device']['pure']['duration'])
step0_duration = float(cmd['working-time']['step0']) if cmd['device']['setzero']['action'] == 'On':
step1_duration = float(cmd['working-time']['step1']) Set_Zero(client=client)
step2_duration = float(cmd['working-time']['step2'])
step3_duration = float(cmd['working-time']['step3']) return 0
step4_duration = float(cmd['working-time']['step4'])
step5_duration = float(cmd['working-time']['step5']) def runAction():
step6_duration = float(cmd['working-time']['step6']) # Write the app's actions in the "runAction" function.
step7_duration = float(cmd['working-time']['step7'])
step8_duration = float(cmd['working-time']['step8']) # Connect MQTT Broker
step9_duration = float(cmd['working-time']['step9']) # You have to rename client id. There are special rules.
# Client Name: "device-app-*"
# For Example
# Step 0. Mesure init weight before starting the sequence # 1. device-app-test -> Good
time.sleep(step0_duration) # 2. device-app-light-app -> Good
start = Measure_Weight(client=client) # 3. device-test-app -> Bad
sdtcloud = sdtcloudnodeqmqtt.sdtcloudnodeqmqtt()
# Step 1. Vent pured water before input mixed water mqttClient1 = sdtcloud.setClient(f"device-app-1{uuid.uuid1()}") # parameter is client ID(string)
# Target valve status: [Motor: Off, Vent: On, Pure: Off, Enter: On, Main: On] mqttClient2 = sdtcloud.setClient(f"device-app-2{uuid.uuid1()}") # parameter is client ID(string)
Valve_EnterWater(chip=output_lines, status=status, action='On') mqttClient3 = sdtcloud.setClient(f"device-app-3{uuid.uuid1()}") # parameter is client ID(string)
time.sleep(0.5) mqttClient4 = sdtcloud.setClient(f"device-app-4{uuid.uuid1()}") # parameter is client ID(string)
Valve_Vent(chip=output_lines, status=status, action='On') mqttClient5 = sdtcloud.setClient(f"device-app-5{uuid.uuid1()}") # parameter is client ID(string)
time.sleep(0.5) mqttlist = [mqttClient1, mqttClient2, mqttClient3, mqttClient4, mqttClient5]
Valve_MainWater(chip=output_lines, status=status, action='On', duration=main_duration)
time.sleep(step1_duration) # If you have config's value, please make config.json file.
# - Project Code's variable: projectCode(string)
# Step 2. Empty the remaining pure water # - Asset Code's variable: assetCode(string)
# Target valve status: [Motor: Off, Vent: On, Pure: Off, Enter: Off, Main: On] # - You may need it to create a topic.
Valve_EnterWater(chip=output_lines, status=status, action='Off')
time.sleep(step2_duration)
cnt = 0
# Step 3. Input the mixed water while True:
# Target valve status: [Motor: Off, Vent: Off, Pure: Off, Enter: On, Main: On] start = time.time()
Valve_Vent(chip=output_lines, status=status, action='Off') result = Command_Read()
time.sleep(0.5)
Valve_EnterWater(chip=output_lines, status=status, action='On') if result:
time.sleep(step3_duration) data['timestamp'] = int(time.time() * 1000)
sdtcloud.pubMessage(mqttlist[cnt], data)
# Step 4. Mesure the weight cnt += 1
# Target valve status: [Motor: Off, Vent: Off, Pure: Off, Enter: Off, Main: Off] if cnt == 5:
Valve_EnterWater(chip=output_lines, status=status, action='Off') cnt = 0
time.sleep(0.5)
Valve_MainWater(chip=output_lines, status=status, action='Off') end = time.time()
time.sleep(step4_duration) diff = end - start
end = Measure_Weight(client=client) if diff < 3:
time.sleep(1) time.sleep(3 - diff)
Calculate_Concentration(weight=(float(end)-float(start))) def handle_client(conn, ip, port):
global data
# Step 5. Drain the mixed water and add pure water. while True:
# Target valve status: [Motor: Off, Vent: On, Pure: On, Enter: On, Main: Off] try:
Valve_EnterWater(chip=output_lines, status=status, action='On') recv = conn.recv(100)
time.sleep(0.5) if not recv:
Valve_Vent(chip=output_lines, status=status, action='On') # print(f"Connection with {addr} was reset. Waiting for new connection.")
time.sleep(0.5) break
Valve_PureWater(chip=output_lines, status=status, action='On', duration=pure_duration)
time.sleep(step5_duration) message = recv.decode().strip()
# Step 6. Drain mixed water if message[:3] != 'STX' or message[-3:] != 'ETX':
# Target valve status: [Motor: Off, Vent: On, Pure: On, Enter: Off, Main: Off] err_msg = 'STXERRORETX'
Valve_EnterWater(chip=output_lines, status=status, action='Off') conn.sendall(err_msg.encode("utf8"))
time.sleep(step6_duration) else:
if message[3] == 'R': # Transfer data from SDT to Sampyo
# Step 7. Input pure water and clean now = datetime.now(pytz.timezone('Asia/Seoul'))
# Target valve status: [Motor: On, Vent: Off, Pure: On, Enter: On, Main: Off] time_str = now.strftime('%Y%m%d%H%M%S')
Valve_EnterWater(chip=output_lines, status=status, action='On')
time.sleep(0.5) h_weight = float(data['data']['weight'])
Valve_Vent(chip=output_lines, status=status, action='Off') h_concentration = float(data['data']['concentration'])
time.sleep(0.5) data_weight = '{:.3f}'.format(h_weight)
Motor(chip=output_lines, status=status, action='On') data_concent = '{:.3f}'.format(h_concentration)
time.sleep(step7_duration)
send_msg = 'STX' + time_str + '|' + data_weight + '|' + data_concent + 'ETX'
# Step 8. Drain pure Water
# Target valve status: [Motor: On, Vent: On, Pure: Off, Enter: Off, Main: Off] try:
Valve_EnterWater(chip=output_lines, status=status, action='Off') with open('./control.json', 'r') as f:
time.sleep(0.5) cmd = json.load(f)
Valve_Vent(chip=output_lines, status=status, action='On')
time.sleep(0.5) cmd['device']['measure']['action'] = 'On'
Valve_PureWater(chip=output_lines, status=status, action='Off')
time.sleep(step8_duration) with open('./control.json', 'w') as f:
json.dump(cmd, f, indent=4)
# Step 9. Stop moter
# Target valve status: [Motor: Off, Vent: On, Pure: Off, Enter: Off, Main: Off] conn.sendall(send_msg.encode("utf8"))
Motor(chip=output_lines, status=status, action='Off') except Exception as e:
time.sleep(step9_duration) err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
return 1
elif message[3] == 'S': # Start measurement
elif cmd['type'] == 'clean': try:
clean_system() with open('./control.json', 'r') as f:
time.sleep(3) cmd = json.load(f)
else: # cmd['type'] == 'manual' cmd['type'] = 'auto'
Motor(chip=output_lines, status=status, action=cmd['device']['motor']['action'])
Valve_Vent(chip=output_lines, status=status, action=cmd['device']['vent']['action']) with open('./control.json', 'w') as f:
# Valve_MixedWater(chip=output_lines, status=status, action=cmd['device']['mixed']['action']) json.dump(cmd, f, indent=4)
# Valve_PureWater(chip=output_lines, status=status, action=cmd['device']['pure']['action'])
Valve_EnterWater(chip=output_lines, status=status, action=cmd['device']['enter']['action']) send_msg = 'STXOKETX'
conn.sendall(send_msg.encode("utf8"))
if cmd['device']['pure']['duration'] == 0: except Exception as e:
Valve_PureWater(chip=output_lines, status=status, action=cmd['device']['pure']['action']) err_msg = 'STXERRORETX'
else: conn.sendall(err_msg.encode("utf8"))
Valve_PureWater(chip=output_lines, status=status, action=cmd['device']['pure']['action'], duration=cmd['device']['pure']['duration'])
elif message[3] == 'T': # Stop measurement
try:
if cmd['device']['main']['duration'] == 0: with open('./control.json', 'r') as f:
Valve_MainWater(chip=output_lines, status=status, action=cmd['device']['main']['action']) cmd = json.load(f)
else:
Valve_MainWater(chip=output_lines, status=status, action=cmd['device']['main']['action'], duration=cmd['device']['main']['duration']) cmd['type'] = 'manual'
cmd['device']['measure']['action'] = 'Off'
if cmd['device']['measure']['action'] == 'On': with open('./control.json', 'w') as f:
result = Measure_Weight(client=client) json.dump(cmd, f, indent=4)
Calculate_Concentration(result)
return 1 send_msg = 'STXOKETX'
conn.sendall(send_msg.encode("utf8"))
if cmd['device']['setzero']['action'] == 'On': except Exception as e:
Set_Zero(client=client) err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
return 0
else:
def clean_system(): err_msg = 'STXERRORETX'
global main_valve_status conn.sendall(err_msg.encode("utf8"))
with open('./control.json', 'r') as f: except ConnectionResetError:
cmd = json.load(f) # print("Connection with " + ip + ":" + port + " was reset. Waiting for new connection.")
break
clean_duration = int(cmd['maintenance']['clean']['duration'])
# print("Closing the connection")
if cmd['type'] == 'clean':
Valve_EnterWater(chip=output_lines, status=status, action='Off') def start_server(addr, port):
time.sleep(0.5) host = addr # "25.7.57.1"
port = port # 5000
Valve_MainWater(chip=output_lines, status=status, action='On')
time.sleep(0.5) soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
Valve_PureWater(chip=output_lines, status=status, action='On') soc.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
time.sleep(clean_duration)
try:
Valve_MainWater(chip=output_lines, status=status, action='Off') soc.bind((host, port))
time.sleep(0.5) except:
sys.exit()
Valve_EnterWater(chip=output_lines, status=status, action='On')
time.sleep(0.5) soc.listen(1) # Only one connection at a time.
Valve_Vent(chip=output_lines, status=status, action='On')
time.sleep(clean_duration) while True:
conn, addr = soc.accept()
Valve_PureWater(chip=output_lines, status=status, action='Off') ip, port = str(addr[0]), str(addr[1])
time.sleep(0.5) print("Connected with " + ip + ":" + port)
Valve_Vent(chip=output_lines, status=status, action='Off')
time.sleep(0.5) client_handler = threading.Thread(target=handle_client, args=(conn, ip, port))
Valve_EnterWater(chip=output_lines, status=status, action='Off') client_handler.start()
time.sleep(0.5)
soc.close()
def runAction():
# Write the app's actions in the "runAction" function. def exit_handler(signum, frame):
Motor(chip=output_lines, status=status, action='Off')
# Connect MQTT Broker Valve_Vent(chip=output_lines, status=status, action='Off')
# You have to rename client id. There are special rules. Valve_MixedWater(chip=output_lines, status=status, action='Off')
# Client Name: "device-app-*" Valve_PureWater(chip=output_lines, status=status, action='Off')
# For Example
# 1. device-app-test -> Good client.close()
# 2. device-app-light-app -> Good
# 3. device-test-app -> Bad sys.exit(0)
global data
sdtcloud = sdtcloudnodeqmqtt.sdtcloudnodeqmqtt() if __name__ == "__main__":
mqttClient1 = sdtcloud.setClient(f"device-app-1{uuid.uuid1()}") # parameter is client ID(string) output_chip = gpiod.chip('gpiochip11')
mqttClient2 = sdtcloud.setClient(f"device-app-2{uuid.uuid1()}") # parameter is client ID(string) config = gpiod.line_request()
mqttClient3 = sdtcloud.setClient(f"device-app-3{uuid.uuid1()}") # parameter is client ID(string) config.consumer = 'output'
mqttClient4 = sdtcloud.setClient(f"device-app-4{uuid.uuid1()}") # parameter is client ID(string) config.request_type = gpiod.line_request.DIRECTION_OUTPUT
mqttClient5 = sdtcloud.setClient(f"device-app-5{uuid.uuid1()}") # parameter is client ID(string)
mqttlist = [mqttClient1, mqttClient2, mqttClient3, mqttClient4, mqttClient5] output_lines = output_chip.get_lines([0, 1, 2, 3, 4, 5, 6, 7])
output_lines.request(config, default_vals=[0, 0, 0, 0, 0, 0, 0, 0])
# If you have config's value, please make config.json file.
# - Project Code's variable: projectCode(string) status = [0, 0, 0, 0, 0, 0, 0, 0]
# - Asset Code's variable: assetCode(string)
# - You may need it to create a topic. signal.signal(signal.SIGINT, exit_handler)
cnt = 0 with open('./config.json', encoding='UTF-8') as f:
clean_flag = 0 jsonData = json.load(f)
while True:
start = time.time() volume_water = 1000.0 / float(jsonData['volume-water'])
result = Command_Read()
modbus_addr = jsonData['modbus-server']['address']
if result: modbus_port = jsonData['modbus-server']['port']
data['timestamp'] = int(time.time() * 1000)
sdtcloud.pubMessage(mqttlist[cnt], data) client = ModbusTcpClient(modbus_addr, modbus_port)
cnt += 1
if cnt == 5: data = {
cnt = 0 "timestamp": 0,
"data":{
end = time.time() "weight": 0,
"concentration": 0
try: }
now = datetime.now(pytz.timezone('Asia/Seoul')) }
time_str = now.strftime('%H')
time_int = int(time_str) ## Get ProjectCode and AssetCode
with open('./control.json', 'r') as f: ## Execution main funcion
cmd = json.load(f) operation_thread = threading.Thread(target=runAction, args=())
operation_thread.start()
if time_int == int(cmd['maintenance']['clean']['time']):
if clean_flag < 3: tcp_addr = jsonData['tcp-server']['address']
clean_flag += 1 tcp_port = jsonData['tcp-server']['port']
clean_system() ## Execution TCP/IP server
else: start_server(addr=tcp_addr, port=tcp_port)
clean_flag = 0
except:
pass
diff = end - start
if diff < 3:
time.sleep(3 - diff)
def handle_client(conn, ip, port):
global data
while True:
try:
recv = conn.recv(100)
if not recv:
# print(f"Connection with {addr} was reset. Waiting for new connection.")
break
message = recv.decode().strip()
if message[:3] != 'STX' or message[-3:] != 'ETX':
err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
else:
if message[3] == 'R': # Transfer data from SDT to Sampyo
now = datetime.now(pytz.timezone('Asia/Seoul'))
time_str = now.strftime('%Y%m%d%H%M%S')
h_weight = float(data['data']['weight'])
h_concentration = float(data['data']['concentration'])
data_weight = '{:.3f}'.format(h_weight)
data_concent = '{:.3f}'.format(h_concentration)
send_msg = 'STX' + time_str + '|' + data_weight + '|' + data_concent + 'ETX'
try:
with open('./control.json', 'r') as f:
cmd = json.load(f)
cmd['device']['measure']['action'] = 'On'
with open('./control.json', 'w') as f:
json.dump(cmd, f, indent=4)
conn.sendall(send_msg.encode("utf8"))
except Exception as e:
err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
elif message[3] == 'S': # Start measurement
try:
with open('./control.json', 'r') as f:
cmd = json.load(f)
cmd['type'] = 'auto'
with open('./control.json', 'w') as f:
json.dump(cmd, f, indent=4)
send_msg = 'STXOKETX'
conn.sendall(send_msg.encode("utf8"))
except Exception as e:
err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
elif message[3] == 'C': # Clean sequence
try:
with open('./control.json', 'r') as f:
cmd = json.load(f)
cmd['type'] = 'clean'
with open('./control.json', 'w') as f:
json.dump(cmd, f, indent=4)
send_msg = 'STXOKETX'
conn.sendall(send_msg.encode("utf8"))
except Exception as e:
err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
elif message[3] == 'T': # Stop measurement
try:
with open('./control.json', 'r') as f:
cmd = json.load(f)
cmd['type'] = 'manual'
cmd['device']['measure']['action'] = 'Off'
with open('./control.json', 'w') as f:
json.dump(cmd, f, indent=4)
send_msg = 'STXOKETX'
conn.sendall(send_msg.encode("utf8"))
except Exception as e:
err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
else:
err_msg = 'STXERRORETX'
conn.sendall(err_msg.encode("utf8"))
except ConnectionResetError:
# print("Connection with " + ip + ":" + port + " was reset. Waiting for new connection.")
break
# print("Closing the connection")
def start_server(addr, port):
host = addr # "172.17.16.201"
port = port # 5000
soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
soc.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
try:
soc.bind((host, port))
except:
sys.exit()
soc.listen(1) # Only one connection at a time.
while True:
conn, addr = soc.accept()
ip, port = str(addr[0]), str(addr[1])
print("Connected with " + ip + ":" + port)
client_handler = threading.Thread(target=handle_client, args=(conn, ip, port))
client_handler.start()
soc.close()
def exit_handler(signum, frame):
Motor(chip=output_lines, status=status, action='Off')
Valve_Vent(chip=output_lines, status=status, action='Off')
# Valve_MixedWater(chip=output_lines, status=status, action='Off')
Valve_PureWater(chip=output_lines, status=status, action='Off')
Valve_EnterWater(chip=output_lines, status=status, action='Off')
Valve_MainWater(chip=output_lines, status=status, action='Off')
client.close()
sys.exit(0)
if __name__ == "__main__":
output_chip = gpiod.chip('gpiochip11')
config = gpiod.line_request()
config.consumer = 'output'
config.request_type = gpiod.line_request.DIRECTION_OUTPUT
output_lines = output_chip.get_lines([0, 1, 2, 3, 4, 5, 6, 7])
output_lines.request(config, default_vals=[0, 0, 0, 0, 0, 0, 0, 0])
status = [0, 0, 0, 0, 0, 0, 0, 0]
signal.signal(signal.SIGINT, exit_handler)
main_valve_status = 0
pure_valve_status = 0
Valve_MainWater(chip=output_lines, status=status, action='Off')
Valve_PureWater(chip=output_lines, status=status, action='Off')
with open('./config.json', encoding='UTF-8') as f:
jsonData = json.load(f)
volume_water = 1000.0 / float(jsonData['volume-water'])
modbus_addr = jsonData['modbus-server']['address']
modbus_port = jsonData['modbus-server']['port']
client = ModbusTcpClient(modbus_addr, modbus_port)
data = {
"timestamp": 0,
"data":{
"weight": 0,
"concentration": 0
}
}
## Get ProjectCode and AssetCode
## Execution main funcion
operation_thread = threading.Thread(target=runAction, args=())
operation_thread.start()
tcp_addr = jsonData['tcp-server']['address']
tcp_port = jsonData['tcp-server']['port']
## Execution TCP/IP server
start_server(addr=tcp_addr, port=tcp_port)