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  1. #1
    25+ Posting Member lasseh's Avatar
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    Localiser capture (SIOC)

    Hello. Hope you're all enjoying the summer out there!

    I'm trying to get an annunciator to illuminate when my aircraft is capturing a localiser, and so far I've learned that the offsets I'm going to use are 0C4A bit 1 for the localiser tuned in, and then 0C48 to adjust when the localiser is actually captured. But which bit-number am I going to use for the needle?

    I've tried to write a script here:
    ---------------------------------------------------------------------
    Var 0001, name loc_tuned, Link FSUIPC_INOUT, Offset $0C4A, Length 1
    {
    IF &loc_tuned = 1
    {
    &loc_tuned_ind = 1
    }
    IF &loc_tuned = 0
    {
    &loc_tuned_ind = 0
    }
    }

    Var 0002, name loc_tuned_ind, Link IOCARD_OUT, Device 1, Output 41
    --------------------------------------------------------------------

    This light up the LED when the localiser is tuned in at the NAV1 radio as anticipated. But how do I implement the needle offset, so that the LED will only illuminate when the localiser is tuned in, AND captured?

    Thanks!
    Lasse

  2. #2
    2000+ Poster - Never Leaves the Sim kiek's Avatar
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    Re: Localiser capture (SIOC)

    Hi Lasse,

    Here example SIOC code to display the GS needle and Localiser needle values -if alive- at four digit
    displays (most left digit blank or minus and then 3 digit value), and two leds for GS alive and loc
    tuned in indicators.

    You have to update the digit and output numbers to your hardware.
    I have not tested it, but this is how one should do it in SIOC...

    Code:
    // Glide-slope
    
    Var 1 name gs_alive Link FSUIPC_IN Offset $0C4C Length 1
    {  
      CALL &OUTGS
    }
    
    Var 2 name gs Link FSUIPC_IN Offset $0C49 Length 1
    {
      CALL &OUTGS
    }
    
    Var 3 name  OUTGS LINK SUBRUTINE
    {
      IF &gs_alive = 1
      {
            gs_ind = 1
            &D_gs = &gs
            IF &gs < 0
            {
              D_gss = -999998  // minus sign
            }
            ELSE
            {
              D_gss = -999999  // blank
            }
      }  ELSE
      {
            gs_ind = 0
            &D_gs = -999999  // blank
            &D_gss = -999999  // blank
      }
    }
    
    Var 4 name D_gs Link IOCARD_DISPLAY Digit 1 Numbers 3
    Var 5 name D_gss Link IOCARD_DISPLAY Digit 4 Numbers 1
    Var 6 name gs_ind Link IOCARD_OUT Device 1 Output 40
    
    
    // Localiser 
    
    Var 10 name loc_tuned Link FSUIPC_IN Offset $0C4A Length 1
    {
      &loc_tuned_in = TESTBIT &loc_tuned 1
    }
    
    Var 11 name loc_tuned_in
    {
      CALL &OUTLOC
    }
    
    Var 12 name loc Link FSUIPC_IN Offset $0C48 Length 1
    {
      CALL &OUTLOC
    }
    
    Var 13 name  OUTLOC LINK SUBRUTINE
    {
      IF &loc_tuned_in = 1
      {
            loc_tuned_ind = 1
            &D_LOC = &loc
            IF &loc < 0
            {
              D_locs = -999998  // minus sign
            }
            ELSE
            {
              D_locs = -999999  // blank
            }
      }
      ELSE
      {
            loc_tuned_ind = 0
            &D_loc = -999999  // blank
            &D_locs = -999999  // blank
      }
    }
    
    Var 14 name D_loc Link IOCARD_DISPLAY Digit 5 Numbers 3
    Var 15 name D_locs Link IOCARD_DISPLAY Digit 8 Numbers 1
    Var 16 name loc_tuned_ind Link IOCARD_OUT Device 1 Output 41
    Rgrs,
    nico
    Last edited by kiek; 08-03-2012 at 03:33 AM.