conf template and bugfixs

ethertools/dac3.py

@@ -165,7 +165,7 @@ class DAC(object):
         return self.readresp("d")
 
     def prepare(self):
-        self.conn.sendall('p')
+        self.conn.sendall(b'p')
         return self.readresp('p')
 
     def stop(self):

ethertools/talk3.py

@@ -1,4 +1,17 @@
 #!/usr/bin/env python
+
+'''
+
+Improved dac.py and talk.py (by Jacob Potter). Pimped by Sam Neurohack.
+
+- python3 
+- works with nannou visualisers
+- can talk to a given etherdream knowing it's IP.
+
+v0.1.0
+
+'''
+
 #
 # j4cDAC test code
 #
@@ -17,6 +30,19 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import dac3 as dac
+import argparse
+import sys
+
+argsparser = argparse.ArgumentParser(description="Draw a square on a laser via Etherdream DAC")
+
+argsparser.add_argument("-i","--ip",help="Etherdream IP (default : first etherdream broadcast received",default="True",type=str)
+
+
+
+args        = argsparser.parse_args()
+etherIP     = args.ip
+
+
 
 class SquarePointStream(object):
     '''
@@ -88,8 +114,14 @@ class NullPointStream(object):
         return [(0, 0, 0, 0, 0)] * n
 
 #dac.find_dac()
+if etherIP == "True":
+    print("Waiting for the first DAC broadcast...")
+    d = dac.DAC(dac.find_first_dac())
 
-d = dac.DAC(dac.find_first_dac())
-#d = dac.DAC("192.168.1.43")
+else:
+    print("Using Etherdream :", etherIP)
+    d = dac.DAC(etherIP)
 
+
+print("Sending points...")
 d.play_stream(SquarePointStream())