FUNCTION CGIIN AS STRING

CGIIN functions like a serial channel to the web server.  When someone accesses the webpage that creates a CGI event (like a button push, or text entry) that data will be sent to a buffer that can be read from the BASIC program.

If no GET request has been made the string returned will also be an empty string. 

When the ARMweb is accessed from a webpage, if the webpage contains a ? in the address, data following the ? is passed to the CGIIN routine.  There is only one 256 byte buffer available, and that buffer will be available until it is read by a CGIIN, or anopther CGI request is made.  CGI events are only processed when the user's BASIC program is running.

This function requires version 7.36 of the firmware.