LTE modem - UDP

examples/LTE modem/README.md

@@ -44,6 +44,7 @@ Data frame will send to MQTT every 5 seconds.
 2. **Open Serial Studio and configure MQTT**:
 
    - Set the **Host**: 127.0.0.1
+   - Set the **Port**: 1883
    - Set the **Topic**: lte
    - Set the **Mode**: Subscriber
    - Set the **Keep Alive**: 600
@@ -57,3 +58,20 @@ Data frame will send to MQTT every 5 seconds.
 4. Use **Project editor** to configure dashboard.  
 
 ![Project Editor](doc/project_editor.png)
+
+
+## UDP Socket
+Solution with UDP Socket looks much simpler than MQTT.
+
+Run in terminal:  
+`python lte_udp.py`
+
+### Serial Studio Configuration for UDP Socket
+
+   - Set the **DEVICE SETUP**: I/O Interface: Network Socket
+   - Set the **Socket type**: UDP
+   - Set the **Remote address**: 127.0.0.1
+   - Set the **Local port**: 5005
+   - Set the **Ignore data delimeters**: True
+   - Click **Connect**  
+![Serial Studio Quick Plot](doc/udp.png)

examples/LTE modem/lte_udp.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+
+import requests
+import time
+import datetime
+import xml.etree.ElementTree as ET
+import re
+import socket
+
+# -------------------------- CONFIGURATION --------------------------------
+
+url_api = 'http://192.168.9.1/api/device/signal' # Address modem API
+cycle_time = 5                                   # Pause between data frame
+udp_ip = '127.0.0.1'                             # UDP target IP
+udp_port = 5005                                  # UDP target port
+
+# -------------------------------------------------------------------------
+
+def get_value(marker):
+    string = tree.find(marker).text
+    value = re.search(r'(\-|)(\d+)(\.?)(\d*)', string).group(0)
+    # print('string=', string, ' value=', value)
+    return value
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+while True:
+    xml_data = requests.get(url_api).text
+    tree = ET.XML(xml_data)
+
+    cell = str(get_value('cell_id'))
+    rsrq = int(float(get_value('rsrq')))
+    rsrp = int(get_value('rsrp'))
+    rssi = int(get_value('rssi'))
+    sinr = int(get_value('sinr'))
+
+    pci = int(get_value('pci'))
+    mode = int(get_value('mode'))
+    ulbandwidth = int(get_value('ulbandwidth'))
+    dlbandwidth = int(get_value('dlbandwidth'))
+    band = int(get_value('band'))
+    ulfrequency = int(get_value('ulfrequency'))
+    dlfrequency = int(get_value('dlfrequency'))
+
+    print(f'{datetime.datetime.now().strftime("%H-%M-%S")} CELL={cell} RSRQ={rsrq} RSRP={rsrp} RSSI={rssi} SINR={sinr}')
+    data_frame = f'{rsrq},{rsrp},{rssi},{sinr},{cell}'
+    # print(frame)
+    sock.sendto(data_frame.encode('utf-8'), (udp_ip, udp_port))
+
+    time.sleep(cycle_time)

examples/README.md

@@ -15,9 +15,9 @@ Some examples also include Serial Studio project files (`*.json`) to simplify th
   - **Screenshot**: Example view in Serial Studio.
   
 ### 2. LTE modem
-- **Description**: This example reads data of signal from LTE modem and transmits it over MQTT.
+- **Description**: This example reads data of signal from LTE modem and transmits it over MQTT or UDP Socket.
 - **Contents**:
-  - **lte_mqtt.py**: Python script for parsing data of signal from LTE modem API and send it over MQTT.
+  - **lte_mqtt.py**: Python script for parsing data of signal from LTE modem API and send it over MQTT or UDP Socket.
   - **README.md**: Setup and usage instructions.
   - **Screenshot**: Example view in Serial Studio.