PEP CP380, Manual

Page: 51 / 68

CP380 Function Reference
ID 19313, Rev. 0100 Page 5 - 9 ® PEP Modular Computers GmbH
Parameters
Returns
If the function is successfully executed, a '1' is returned. If an error occurs, a '0' is
returned. The cause of the error can be determined with the function
_me9xGetDrvErrMess
.
<BoardNumber>
Board number for 1., 2., 3...16 installed CP380-I,
CP380-O or CP380-I/O; possible values: 0…15
<PortNo>
Port name; possible values:
<PortNo>
Description
PORTA (00hex) Input port A
PORTB (01hex) Input port B
PORTC (02hex) (only bits C2 and C4 sig-
nificant; the other bits of
port C are not available)
<Value>
Pointer to an integer value which contains the input
byte; for ports A and B only the lower 8 bits are signifi-
cant; for port C the bits C2 and C4 are significant.