added serial_relay.py and listen2relay.service, for reading the tritium monitor by raspberry pi

Listen2Arduino.py

@@ -24,6 +24,7 @@ print(token)
 ser = serial.Serial('/dev/ttyACM0', 9600, timeout=1)
 ser.reset_input_buffer()
 
+tri_file = "/home/pi03/TRI_reading.txt"
 outFile = "/home/pi03/data.txt"
 
 # cmd='curl -s -XPOST "http://fsunuc.physics.fsu.edu:8086/write?db=interlock" --data-binary @/home/pi02/data.txt'
@@ -35,10 +36,10 @@ input_normal= [
    OPEN, 	#// 1 Reset switch
    CLOSED,	#// 2 Emergency source trip switch
    CLOSED,	#// 3 Cage door contact
-   CLOSED,  #// 4 Fume hood flow switch
+   OPEN,  #// 4 Fume hood flow switch
    OPEN,	   #// 5 Vacuum condition - gnd
    CLOSED,	#// 6 Tritium monitor
-   OPEN,	   #// 7 Control Room Emergency Switch
+   CLOSED,	   #// 7 Control Room Emergency Switch
    CLOSED,	#// 8 Power failure
    CLOSED,	#// 9 Coolant flow - gnd
    OPEN,	   #//10 Vacuum condition - mid
@@ -117,12 +118,20 @@ while True:
 
       for key, value in format_value.items():
          # print(f"{key} value={value}")
+         if key != "Tritium" :
             point.field(key, float(value))
+         else:
+            with open(tri_file, 'r') as file:
+               tri_reading = file.read()
+            point.field("Tritium", float(tri_reading))
 
       with open(outFile, "w") as file:
          for key, value in format_value.items():
+            if key == "Tritium":
+               file.write(f"Tritium value={tri_reading}\n")
+            elif key == "Vaccum" or key == "SubPump" :
                file.write(f"{key} value={value}\n")
-            if key == "State" :
+            elif key == "State" :
                if value == "0" or value == "1":
                   file.write(f"preaccl value=1\n")
                   file.write(f"valve1 value=1\n")

listen2relay.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Listening tritium monitor output
+After=network.target  # Adjust the target as needed
+
+[Service]
+ExecStart=/home/pi03/Multi-SNICS_Interlock/serial_relay.py
+#WorkingDirectory=/home/pi02/Multi-SNICS_Interlock/  # Optional, set the working directory
+#Restart=always
+#StartLimitIntervalSec=10
+#StartLimitBurst=5
+
+[Install]
+WantedBy=multi-user.target

serial_relay.py

@@ -0,0 +1,46 @@
+#!/usr/bin/python
+
+import serial
+import RPi.GPIO as GPIO
+import time
+import random
+
+#Open serial port
+ser = serial.Serial('/dev/ttyUSB0',baudrate=9600,timeout =1)
+
+GPIO.setmode(GPIO.BCM)
+# init list with pin numbers
+pinList = [17]
+# loop through pins and set mode and state to 'high'
+for i in pinList:
+    GPIO.setup(i, GPIO.OUT)
+
+#text file for saving the reading
+file_path = '/home/pi03/TRI_reading.txt'
+
+try:
+    while True:
+        #Read ASCII data from serial port
+        data = ser.readline().decode('ascii').strip()
+        if data:
+            try:
+               reading = (int(data[3:8],16)-160)*0.3
+               print("Received:", data, ":", data[3:8], "=", int(data[3:8],16),":",round(reading))
+               #write to file
+               with open(file_path, 'w') as file:
+                  file.write(str(round(reading)))
+               if reading >50:
+                  GPIO.output(17, GPIO.LOW)
+                  #print ("ON")
+               else:
+                  GPIO.output(17, GPIO.HIGH)
+                  #print ("OFF")
+            except :
+               os.putenv('TRI_reading', 'no_data')
+except KeyboardInterrupt:
+    #Close serial port on Crt+C
+    ser.close()
+    #print ("Quit")
+
+# Reset GPIO settings
+GPIO.cleanup()

statusDisplay/display.cpp

@@ -22,7 +22,7 @@ const std::string error_txt[16] = {
     "Fume Hood Flow",   //3  
     "Vacuum Gauge 2",   //4  
     "Tritium Monitor",  //5   
-    "error: port map",  //6   
+    "Control Room Emergency Switch",  //6   
     "Bldg Power Fail",  //7   
     "Coolant Flow 2",   //8  
     "Vacuum Gauge 1",   //9