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Intro and VT Pro Problems
greynolds@xxxxxxx.xxx
9/02/99
#21
Before I get into my problems, I figured I would introduce myself:
I'm both the programmer and end user of my own Crestron system. My system consists of a ST-1500C touch screen, a ST-CP control processor, 1 ST-CS (current sensor), 1 ST-PC (power controller), a couple of ST-SPL's (IR splitters), and a bunch of ST-IRP's. The system currently is only used to control my home theater system, but will eventually be expanded to control lighting and other items in the house. I'm using the current version of VisionTools Pro (version 1.2.4) to program my system, as my system is pretty simple for now. SIMPL Windows isn't a reasonable option for me - mostly because proper documentation and/or training isn't available to me as an end user (and it would be overkill for my current needs). My day job is software development, primarily writing C++ Windows applications using Microsoft's Visual C++. I've been doing this full time since graduating from college around 9 years ago. Enough with the introduction and on to my problems that will hopefully generate some discussion on this list (and help solve my problem if I'm lucky). The problems are listed in order of decreasing importance to me. 1) I sometimes have trouble getting my touch panel and ST-CP to communicate properly. The symptom when this happens is that the RF light on the ST-CP will blink rather than stay on constantly if I press and hold a button on the touch screen. For most purposes, this isn't a big problem, but some functions on my devices require an extended press. Example 1: One of my VCR's has 2 fast forward / rewind speeds. Press the button once and the VCR will go into a "slow" fast forward mode. Press and hold the button for a few seconds, and the VCR will go into a "fast" fast forward mode. However, when the communication between the touch panel and the ST-CP is not working properly, the VCR gets multiple "slow" fast forward commands which will usually put the VCR back into play mode. Example 2: The volume control for my preamp accelerates after it has been held down for a few seconds. When the communications aren't working properly, the ST-CP will think that it received a bunch of individual volume up commands and continue to raise the volume for several seconds after I release the button. This case has the potential to damage my speakers, as the volume control can go crazy when this happens. The ST-CP and the touch panel have been sent to Crestron for testing and they were unable to reproduce the problem. The dealer that sent the equipment to Crestron also checked the units with me present after they came back from Crestron and they worked fine. The only conclusion we have collectively been able to come up with is RF interference from something in the neighborhood. Does anyone know what would be on a frequency that would interfere with the Crestron equipment? This problem only happens occasionally, but often enough to be very annoying. I don't have a clue how to track down the source of RF interference, and neither does the dealer (who is not the dealer I purchased the equipment from - that's another story...). 2) I have a series of macros defined in my VT Pro project that will do things such as turn my system on configured for a given device (VCR1, VCR2, DVD, LD, etc.), turn my entire system off, and select various cable TV channels. Aside from the macros being very limited in VT Pro, my biggest problem with these is that the system off macro behaves strangely sometimes. Most of my devices have discrete power on and power off commands available, so that my need for current sensors is pretty minimal. However, my TV is one of the devices that doesn't have discrete commands. If the TV_OFF command is in the middle of the macro, the TV will shut off in the appropriate order. However, it will come back on a few seconds later and then shut back off in another few seconds. It's as though the ST-CP or ST-CS is getting confused. If I move the TV_OFF command to the end of the macro, the TV shuts off and stays off. This problem has been relayed to Crestron support through email, but never responded to. This problem isn't a show stopper by any stretch, but I'd like to understand what is going on here. 3) I found a bug in VT Pro where certain bitmap width/height ratios won't display properly on a touch panel. This was reported to Crestron and it is now acknowledged as a known problem in the VT Pro release notes. I haven't taken the time to figure out what ratios cause problems, and they haven't given me any further information to work with. I found this problem while creating bitmaps for my favorite cable channels. I'm not really looking for feedback on this, but thought it might help others to know that the problem exists. -- Geoffrey Reynolds |
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