====== eportIn ======

''u8 eportIn (u16 eportNumber)''
|eportNumber : The expansion port number from which to read | 
|returns the input state of eportNumber  |

Reads the input state of the given expansion port, eportNumber. If the voltage on the port is less than the
module's Off Level, portIn returns 0 (Off). If the voltage on the port is greater the module's On Level,
portIn returns 1 (On).

<code c>
u8 i = eportIn(0x10);    // Reads the input state of port 0x10 and stores the result in variable i
</code>

[[MOACON:index#System_Library:|go MOACON home]]