F_CXNaviSwitch

F_CXNaviSwitch 1:

The function F_CXNaviSwitch converts the value of the CX1100-Navigation-Switch in to an Enum-value of the Type E_CX1100_NaviSwitch.

FUNCTION F_CXNaviSwitch : E_CX1100_NaviSwitch

VAR_INPUT
    iCX1100_IN : USINT
END_VAR

E_CX1100_NaviSwitch: Value of the CX1100 Input 'IN'

Enum E_CX1100_NaviSwitch

TYPE E_CX1100_NaviSwitch : (
    e_CX1100_NaviSwitch_IDLE        := 0,
    e_CX1100_NaviSwitch_MIDDLE          := 16,

    (* clockwise in 45 degree steps *)
    e_CX1100_NaviSwitch_TOP         := 1,
    e_CX1100_NaviSwitch_TOPRIGHT    := 9,
    e_CX1100_NaviSwitch_RIGHT           := 8,
    e_CX1100_NaviSwitch_BOTTOMRIGHT     := 10,
    e_CX1100_NaviSwitch_BOTTOM          := 2,
    e_CX1100_NaviSwitch_BOTTOMLEFT  := 6,
    e_CX1100_NaviSwitch_LEFT        := 4,
    e_CX1100_NaviSwitch_TOPLEFT     := 5,

    (* clockwise in 45 degree steps with middle switch pressed *)
    e_CX1100_NaviSwitch_MIDDLE_TOP      := 17,
    e_CX1100_NaviSwitch_MIDDLE_TOPRIGHT         := 25,
    e_CX1100_NaviSwitch_MIDDLE_RIGHT        := 24,
    e_CX1100_NaviSwitch_MIDDLE_BOTTOMRIGHT  := 26,
    e_CX1100_NaviSwitch_MIDDLE_BOTTOM           := 18,
    e_CX1100_NaviSwitch_MIDDLE_BOTTOMLEFT   := 22,
    e_CX1100_NaviSwitch_MIDDLE_LEFT     := 20,
    e_CX1100_NaviSwitch_MIDDLE_TOPLEFT          := 21
END_VAR

Other values than defined in the enum (f.i. 11) are reported as "*** INVALID: value ***" in Online Mode (f.i. "*** INVALID: 11 ***"). The function F_CXNaviSwitch returns the invalid value (f.i. 11).