Add scripts to get bascule values.

This commit refs #9284

scripts/bascule_tcp_server.sample.py

@@ -0,0 +1,48 @@
+import socket
+import serial
+
+TCP_HOST = ''
+TCP_PORT = 5000
+
+COM_PORT = 'COM1'
+COM_BAUD = 9600
+
+
+def get_bascule_value():
+    '''Read from serial'''
+    with serial.Serial(COM_PORT, COM_BAUD, timeout=0,
+            parity=serial.PARITY_NONE, rtscts=1) as conn:
+        value = conn.readline() or b'0.0'
+    print("[+] Reading from bascule: {0}".format(value))
+    return value
+
+
+def server(host=TCP_HOST, port=TCP_PORT):
+    '''Runs a listener tcp socker server'''
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        sock.bind((host, port))
+        sock.listen(10)
+        print("[+] Listening on {0}:{1}".format(host, port))
+
+        while True:
+            conn, addr = sock.accept()
+            print("[+] Connecting by {0}:{1}".format(addr[0], addr[1]))
+
+            while True:
+                request = conn.recv(4096)
+
+                if not request:
+                    print("[-] Not Received")
+                    break
+
+                print("[+] Received", repr(request.decode('utf-8')))
+
+                response = get_bascule_value()
+                conn.sendall(response)
+                print("[+] Sending to {0}:{1}".format(addr[0], addr[1]))
+            conn.close()
+
+
+if __name__ == "__main__":
+    server()

scripts/bascule_tcp_serverv.sample2.py

@@ -0,0 +1,54 @@
+import socket
+import serial
+
+TCP_HOST = ''
+TCP_PORT = 5000
+
+COM_PORT = 'COM1'
+COM_BAUD = 9600
+
+
+def get_bascule_value():
+    '''Read from serial'''
+    with serial.Serial(COM_PORT, COM_BAUD, timeout=50,
+            parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
+            bytesize=serial.EIGHTBITS) as conn:
+        # need to send signal and get an stable measure
+        value = '\x02!'
+        while value[1] != 'I':
+            conn.write(b'$')
+            value = conn.read(12).decode('utf-8')
+
+    print("[+] Reading from bascule: {0}".format(value[2:]))
+    return value and value[2:-2].encode('utf-8') or b'0.0'
+
+
+def server(host=TCP_HOST, port=TCP_PORT):
+    '''Runs a listener tcp socker server'''
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        sock.bind((host, port))
+        sock.listen(10)
+        print("[+] Listening on {0}:{1}".format(host, port))
+
+        while True:
+            conn, addr = sock.accept()
+            print("[+] Connecting by {0}:{1}".format(addr[0], addr[1]))
+
+            while True:
+                request = conn.recv(4096)
+
+                if not request:
+                    print("[-] Close connection")
+                    break
+
+                print("[+] Received", repr(request.decode('utf-8')))
+
+                response = get_bascule_value()
+                conn.sendall(response)
+                print("[+] Sending to {0}:{1}".format(addr[0], addr[1]))
+            conn.close()
+
+
+if __name__ == "__main__":
+    server()