Hi All, I am trying to connect to /dev/tty.USA28Xb2P1.1 which is a Keyspan USB to Serial adapter. I have had success using the screen utility, #screen /dev/tty.USA28Xb2P1.1 but I would like to use PHP to create a web interface to a microcontroller.
I have attempted fopen with no luck: > $port = "/dev/tty.USA28Xb2P1.1"; > > $p = fopen($port, 'r+'); > $read = fread($p, filesize($port)); > fclose($p); > > echo $read; > > $p = fopen($port, 'r+'); > fwrite($p, "A"); > fclose($p); I have tried SerProxy but cannot get a connection through telnet. I have also tried LibSerial but could only find version 0.5.2 which does not yet support PHP apparently... I have read about IOKit but I am not sure it will get me where I want to be. Any help would be greatly appreciated. Thank you! Corey
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