MythTV is UP AND RUNNING! Changing Channels via Serial Cable

It is official – I am a MythTV user.  Well…let’s ammend that:  I am in the possession of a fully installed and functional MythTV backend server.  There were two things wrong with the Channel Changer program: I didn’t know that the current directory is not in your path.  SO–just because you are in the same directory as a binary file, it can still be “unfound.”  When I typed in /usr/local/bin/channel to define the path explicitly it worked–I should have tried that.  I probably would have, but I was pressed for time that day. Once I could get the channel binary to work, then I faced a different issue.  By using the -p switch on the channel changer program, the individual serial ports can be...

MythTV Makes Me Cry – Motorola DCT2xxx Serial Port

It shouldn’t be this hard.  Unlike peeling an onion, I feel more like I’m slicing a bushel of them.  <sniff>  Ok, I’m better now.  I was just feeling a little fragile there for a moment… Allow me to make with the status. First, the Cable box is connected back up, along with a serial cable to COM1.  Inside MythTV Backend Setup, I set the input pretune to channel 4 (which is what the cable box requires).  Going just that far, I can start the Myth frontend and watch Live TV, but I have to change the channel manually by pushing the buttons on the front of the cable box. Ok. So, obviously I need something to send a signal out COM1 and into the Motorola serial port that tells it to change the channel.  Doesn’t...