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Author Topic: Getting a Doremi server to control a Dolby DMA8 Plus Harold Hallikainen Jedi Master Film Handler Posts: 906 From: Denver, CO, USA Registered: Aug 2009 posted 11-16-2011 10:34 PM                        I just looked in the Film Tech warehouse for the DMA8 plus manual and could not find it. If you have one, that should supply the ascii string and any control characters required. I'd start by telnetting to the DMA8 plus on the appropriate port and try typing in the command. That'll give you a good understanding of what it accepts and does not accept (though any issues due to the Doremi quick connect and disconnect won't be revealed). Also, here's a script I wrote to test the USL JSD-100 command interpreter: #! /bin/bash for(( ; ; )) do for ((i=1;i<11;i++)) do sleep 5 printf "jsd100.sys.input_mode\t$i\r" | nc -i 1 192.168.1.159 10001 echo "Selected button $i" done done nc is "net cat." The "-i 1" adds a 1 second delay before sending data and after sending data. The trick is that Doremi does not have that delay. I had to revise the JSD-100 firmware to work without the delay (currently shipping code handles this fine). Anyway, I'd start with the manual and a telnet terminal. Good luck! Harold  |  IP: Logged System Notices Forum Watchdog / Soup Nazi Posts: 215 Registered: Apr 2004 posted 11-01-2013 10:44 AM                 It has been 715 days since the last post.  |  IP: Logged Stephen Furley Film God Posts: 3059 From: Coulsdon, Croydon, England Registered: May 2002 posted 11-01-2013 10:44 AM                     I started this thread six years ago, but never got round to doing it due to the complications of the ownership of the equipment at the time. The council now own all of the equipment, and are allowing me to do more or less what I want with it before the cinema re-opens. To recap, this was a DSN installation; the digital equipment was removed, but has now been re-installed by AAM. I want to get the 'sound to digital' cue on the Doremi to pulse the DMA8+ to 'Digital 1 mode. In his original reply Pete suggested connecting to the Wallbox installed by AAM. I've never looked inside this; is it obvious what to connect to? I have the DMA8+ manual, which shows that a dry contact between pins 1 and 5 of the Digital Media Automation connector is required to select the Digital 1 input. Does the wallbox contain relays to provide this contact? When I last looked I found the place in the Doremi software where exactly what each of the automation cues does can be configured. I can't remember where it was now, but I'm sure I can find it again. As an alternative, is it now possible to get the Doremi to control the DMA8+, and other equipment, over Ethernet?  |  IP: Logged Stefan Vogels Film Handler Posts: 48 From: Aarle-Rixtel, Noord-Brabant, Netherlands Registered: Jan 2010 posted 11-01-2013 12:56 PM                     Indeed the doremi can control either a cp650, cp750 or a DMA8+ over ethernet.  |  IP: Logged Carsten Kurz Film God Posts: 4340 From: Cologne, NRW, Germany Registered: Aug 2009 posted 11-01-2013 01:49 PM                     Both is possible, but nevertheless, under the new conditions you should try to find documentation about that wallbox and how the DOREMI GPIOs are wired. - Carsten  |  IP: Logged Bajsic Bojan Expert Film Handler Posts: 190 From: Ljubljana, Si, Eu Registered: Aug 2008 posted 11-01-2013 05:37 PM                     If it is possible, could you then please write the exact syntax you use in the Doremi macros for controlling the dma8+ that actually works? That would be very helpful.  |  IP: Logged Stefan Vogels Film Handler Posts: 48 From: Aarle-Rixtel, Noord-Brabant, Netherlands Registered: Jan 2010 posted 11-01-2013 06:29 PM                     \wdma8plus.sys.input_mode dig_1\r\n\w \wdma8plus.sys.input_mode dig_2\r\n\w \wdma8plus.sys.input_mode dig_3\r\n\w \wdma8plus.sys.input_mode dig_4\r\n\w \wdma8plus.sys.input_mode film\r\n\w Port= 61412 Protocol = tcp Here ya go!  |  IP: Logged Stephen Furley Film God Posts: 3059 From: Coulsdon, Croydon, England Registered: May 2002 posted 11-01-2013 07:13 PM                     dma8plus.sys.input_mode dig_1 makes sense, that's the string which is given in the manual, as is the port number to send it to, and this worked when I typed it from a laptop a couple of weeks ago via Ethernet. I'm guessing that \r makes the Doremi send a carriage return, and \n a newline, but what's the \w? The Ethernet port on the DMA has never been used before, and the IP address is not on the same network as the Doremi. I don't have the DMA setup software, but I should be able to change the address via the serial port. Something which I didn't check when I typed the command manually was that when the DMA is commanded to go to Digital 1 mode by this means it will in turn pulse the CP into format 10, as it does when the Digital 1 button is pressed, without me having to send a contact closure to the CP to switch it separately.  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 11-01-2013 07:52 PM                     Get the software and don't try to set it up via serial (or Ethernet). The factory default Ethernet is 192.168.1.131...but you can't bank on it (ping it and find out). Also, you want to be on the latest firmware on the DMA8 Plus...it will make software MUCH more reliable...especially if you change the Ethernet.  |  IP: Logged Harold Hallikainen Jedi Master Film Handler Posts: 906 From: Denver, CO, USA Registered: Aug 2009 posted 11-01-2013 09:55 PM                        \w is "wait." on the Doremi. So, the server sets up the TCP connection, waits, sends the command, then waits, then tears down the connection. I'm not sure, but I think the wait is about a second. Harold  |  IP: Logged Stephen Furley Film God Posts: 3059 From: Coulsdon, Croydon, England Registered: May 2002 posted 11-02-2013 07:12 AM                     Harold, That makes sense, thank you. Steve, I'd be happy to use the DMA8+ setup software, but it seems to be just about impossible to obtain. I wasn't there when the unit was installed, but I did go in after work on the same day for a first opportunity to hear the digital system for a few minutes between shows, which were then still all on film. There was a manual and various packaging material, and I think some cables, but no software. I'm pretty sure it wasn't supplied with the unit. Dolby don't seem to want to supply it to projectionists, only to suitably qualified technicians and partners. I did try calling Dolby at the time, but they wouldn't let me have it. Even chiefs seem to have difficulty obtaining it; at least the few that I've spoken to do; a lowly relief projectionist doesn't stand a chance. I can understand Dolby not wanting people who don't know what they're doing to screw up the settings, but in that case why not lock down the more advanced options and allow normal users access to the more basic ones? It's necessary to use the software, or serial or Ethernet connection, to do something as basic as turning the matrix decoder on or off when fed with a 2-channel PCM stream, hardly something which should need a qualified cinema technician to do. After the digital equipment was returned to the cinema it was re-installed and set up by an AAM technician a few weeks ago. I am guessing that this would have included installing updated software, but I don't know for sure. What is the current version for the DMA8+? I can understand not using an Ethernet connection to set the IP address and subnet mask, but why do you advise against doing it via the serial port? If I can't get hold of the setup software then that's the only way that I can do it, and I can't see that it can do any harm, or is there some problem which I'm unaware of?  |  IP: Logged

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