Merge branch 'master' of git.c3pb.de:fxk8y/Bell

scripting/ftdi.py

 #!/usr/bin/env nix-shell
 #!nix-shell -i python -p less -p "python3.withPackages (p: with p; [pyftdi pyyaml])" --pure
 
-
+import random
 from time import sleep
 from pyftdi.eeprom import FtdiEeprom
 from pyftdi.ftdi import Ftdi, FtdiError
@@ -41,7 +41,15 @@ ftdi.set_cbus_direction(0b1111, 0b1111)
 
 frame = 0
 while True:
-  ftdi.set_cbus_gpio(frame & 0b1111)
+
+  # counter
+  # ftdi.set_cbus_gpio( frame & 0b1111 )
+
+  # random bits
+  # ftdi.set_cbus_gpio( random.randint(0, 15) & 0b1111 )
+
+  # single random bit
+  ftdi.set_cbus_gpio( 1 << random.randint(0, 3) )
 
   frame += 1
   sleep(0.04)