This page outlines how to use serial I/O to issue commands to a TV display through a BrightSign player. Once a player and TV have been connected by RS-232 through DB9, USB, or 3.5mm serial cables, presentations can deliver commands as scheduled through BrightAuthor. Proper use of this document requires knowledge of BrightSign player serial port configuration.
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Create an Interactive presentation in BrightAuthor.
Open the media state or event where you want to send the command.
Click the Advanced tab.
Click Add Command and set the command to Send – Serial Bytes.
Set the Port to 0 (standard case for most serial devices).
Note title Note A USB-serial device (such as a GPS receiver) will enumerate on port 2. Additional USB-serial devices will enumerate on ports 3, 4, 5, etc. The enumeration order will remain consistent between reboots as long as the USB-serial devices are connected to the same player/hub ports. The enumeration order can be retrieved using the "usblist" command at the brightsign>shell prompt; otherwise, it will need to be determined by testing the setup.Enter the command in the Bytes field. Use a comma to separate each byte.
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Create an Interactive presentation in BrightAuthor.
Open the media state or event where you want to send the command.
Click on the Advanced tab.
Click Add Command and set the command to Send – Serial String (EOL).
Set the Port to 0 (standard case for most serial devices).
Note title Note A USB-serial device (such as a GPS receiver) will enumerate on port 2. Additional USB-serial devices will enumerate on ports 3, 4, 5, etc. The enumeration order will remain consistent between reboots as long as the USB-serial devices are connected to the same player/hub ports. The enumeration order can be retrieved using the "usblist" command at the
brightsign>shell prompt; otherwise, it will need to be determined by testing the setup.Enter the command in the String field.
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