light9 Changeset - 1382cb43a3ca

Changeset - 1382cb43a3ca

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Drew Perttula - 9 years ago 2016-05-14 23:56:02
drewp@bigasterisk.com

dmxserver -d udmx to talk to the first udmx usb adapter found
Ignore-this: 9495a02620509bbd03271b47f9ab3282

1 file changed with 5 insertions and 1 deletions:

light9/io/__init__.py

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light9/io/__init__.py

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@@ @@ -19,102 +19,106 @@ class BaseIO: @@
         print "IO: %s is going dummy" % self.__name__
         self.dummy=1
         # you might override this to close ports, etc
     def isdummy(self):
         return self.dummy
     def __repr__(self):
         if self.dummy:
             return "<dummy %s instance>" % self.__name__
         else:
             return "<live %s instance>" % self.__name__
     # the derived class will have more methods to do whatever it does,
     # and they should return dummy values if self.dummy==1.
 class ParportDMX(BaseIO):
     def __init__(self, dimmers=68):
         BaseIO.__init__(self)
         self.__name__='ParportDMX'
         self.dimmers = dimmers
     def golive(self):
         BaseIO.golive(self)
         import parport
         self.parport = parport
         self.parport.getparport()
     def sendlevels(self, levels):
         if self.dummy:
             return
         levels = list(levels) + [0]
         # if levels[14] > 0: levels[14] = 100 # non-dim
         self.parport.outstart()
         for p in range(1, self.dimmers + 2):
             self.parport.outbyte(levels[p-1]*255 / 100)
 class UsbDMX(BaseIO):
     def __init__(self, dimmers=72, port='/dev/dmx0'):
         BaseIO.__init__(self)
         self.__name__ = "UsbDMX"
         self.port = port
         self.out = None
         self.dimmers = dimmers
     def _dmx(self):
         if self.out is None:
             if self.port == 'udmx':
                 from udmx import Udmx
                 self.out = Udmx()
                 self.out.write = self.out.SendDMX
             else:
             sys.path.append("dmx_usb_module")
             from dmx import Dmx
             self.out = Dmx(self.port)
         return self.out
     def sendlevels(self, levels):
         if self.dummy:
             return
         # I was outputting on 76 and it was turning on the light at
         # dmx75. So I added the 0 byte.
         packet = '\x00' + ''.join([chr(int(lev * 255 / 100))
                                   for lev in levels]) + "\x55"
         self._dmx().write(packet)
 class SerialPots(BaseIO):
     """
     this is a dummy object (that returns zeros forever) until you call startup()
     which makes it bind to the port, etc
     """
     def __init__(self):
         # no init here- call getport() to actually initialize
         self.dummy=1
         self.__name__='SerialPots' # i thought this was automatic!
     def golive(self):
         """
         ls -l /dev/i2c-0
         crw-rw-rw-    1 root     root      89,   0 Jul 11 12:27 /dev/i2c-0
         """
         import serport
         self.serport = serport
         self.f = open("/dev/i2c-0","rw")
         # this is for a chip with A0,A1,A2 lines all low:
         port = 72
         from fcntl import *
         I2C_SLAVE = 0x0703  #/* Change slave address                 */
         ioctl(self.f,I2C_SLAVE,port)
         self.dummy=0
     def godummy(self):
         BaseIO.godummy(self)
         self.f.close()
     def getlevels(self):
         if self.dummy:
             return (0,0,0,0)
         else:
             return self.serport.read_all_adc(self.f.fileno())

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