Add pyusb to gf.py

diff --git a/.local/bin/gf.py b/.local/bin/gf.py
index 79fcfdeea17e99bab6054cb0224584ead605ea2c..5944122eb86b9a5d4c65c17eccd06150476c5475 100755 (executable)
--- a/.local/bin/gf.py
+++ b/.local/bin/gf.py
@@ -3,13 +3,15 @@
 # section: environment {{{1
 #####################################################
 import gf_config as gf
-#import serial
+import usb.core
+import usb.util
+import serial
+from serial.tools import list_ports
+import io
 import fileinput
 import matplotlib.pyplot as plt
-import numpy as pl
 from datetime import datetime,date,time
 
-
 # section: debugging {{{1
 ######################################################
 
@@ -34,6 +36,25 @@ def dbg_speed(ids5,val5,ts,sa):
       speed[ids5[i]-67]=speed[ids5[i]-67]+[val5[i]/254]
   return td,master,speed
 
+# section: serial_ports {{{1
+######################################################
+def serial_ports():
+# A list contains a tuple with the port number, description and hardware address
+  ports=list(list_ports.comports())
+  # return the port if 'USB' is in the description
+  result=[]
+  print("Available ports:")
+  for p in ports:
+    print(repr(p.device),repr(p.description),repr(p.serial_number))
+    if p.vid==0x0403 or p.vid==None:
+      try:
+        s = serial.Serial(p.device)
+        s.close()
+        result.append(p)
+      except (OSError, serial.SerialException):
+        pass
+  return result
+
 # section: checkcrc {{{1
 ######################################################
 def checkcrc(line):
@@ -347,10 +368,43 @@ def process_telegram(line):
 
 # section: main {{{1
 ######################################################
-for line in fileinput.input():
-  print("====================================================================")
+
+lsusb=serial_ports()
+ser=serial.Serial()
+ser.port=lsusb[0].device
+ser.baudrate=9600
+ser.parity=serial.PARITY_NONE
+ser.stopbits=serial.STOPBITS_ONE
+ser.bytesize=serial.EIGHTBITS
+ser.timeout=0
+ser.open()
+print("Connected to",repr(ser.portstr))
+
+dev=usb.core.find(idVendor=0x0403)
+if dev is None:
+  dev=usb.core.find(idVendor=0x0403)
+print(dev)
+#print("-----------------------------")
+#dev.set_configuration()
+#cfg=dev.get_active_configuration()
+#print(cfg)
+
+#io=io.TextIOWrapper(io.BufferedRWPair(ser,ser,1),
+#                     newline='\r',
+#                     line_buffering=True)
+#
+#line = []
+#while True:
+#  line=sio.readline()
 #  print(line)
-  process_telegram(line)
+#
+ser.close()
+
+#for line in fileinput.input():
+#  print("====================================================================")
+##  print(line)
+#  process_telegram(line)
+#
 
 # section: plot {{{1
 ######################################################