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  1. #1
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    SIOC "IF" Question

    Hiya everyone,

    Quick SIOC Question here:

    If I want to have two "IFs" in a scipt (ie only light LED 5 if switch 1 is ON AND switch 2 is ON) how would I do it?

    as always, I had a little try... But it doesn't work. The problem lies obvious in line 9:

    Code:
    Var 9888, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate
    {
      L0 = V9888 // FSUIPC L0 = v9888
      L0 = ABS L0     // L0 not signed 
      L2 = L0    
      IF L0 >= 3    // First sector
      {
        &Chain1 = 1     // 1 selected
      {
        &REF = 1
      }
      }
      ELSE     // Is a greater value
      {
        &REF = 0 //  Off
      }
    }
    
    Var 7675, name REF, Link IOCARD_OUT, Output 4 // REF LED
    
    Var 7645, name Chain1, Link IOCARD_SW, Input 23
    Could someone please tell me how to do it?

    Cheers,

    Jack

  2. #2
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    Re: SIOC "IF" Question

    Jack

    But you do not have 2 IF`s in your attempt. There are two ways in SIOC to make something happen on the value of two variables

    IF Variable one = 1
    {
    IF Variable two = 1
    {
    LED = 1
    }
    }

    OR

    C0 = variable 1
    C1 = variable 2
    IF C0 AND C1
    {
    LED = 1
    }


    David

  3. #3
    150+ Forum Groupie pdpo's Avatar
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    Re: SIOC "IF" Question

    Hi all,

    Davids first suggestion will work and is a good way to do it.
    Suggestion 2 is ever better but be carefull with it , I would write it like this to be more clear

    C0 = variable one = 1
    C1 = variable two = 1
    IF C0 AND C1
    {
    LED = 1
    }

    so when variable one equals 1 the C0 will become one, same for C1, then the AND function will see that both C0 and C1 are true (1) and if thats the case the led will turn on

    Greetings Peter
    FS9+PM+AST+opencockpits

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    Re: SIOC "IF" Question

    Very sorry Lads, I figured this out for myself but not before I switched of the PC last night!

    Thanks for your suggestions anyway, especially suggestion 2 as it looks interesting.

    However! Please don't disregard this thread, I am designing a SIoc script and I'd like to ask (once complete) if it achieves what i want it to do.

    Jack

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    Re: SIOC "IF" Question

    I am far from an expert on SIOC as I am just starting to use it with IOCards but shouldn't the last line not have the ampersand (ie. the & symbol) removed so that it reads

    Var 7645, name Chain1, Link IOCARD_SW, Input 23

    Cheers, Dave
    Dave Kemp
    FS9-BU0836X-GoFlight 166-TH2GO-WideFS-FSUIPC-Opencockpits

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    Re: SIOC "IF" Question

    Hi Dave,

    that's correct, but the symbol is no logner there (it was removed when I figured out the IF ELSE constructs).

    Okay, I now need you guys to do another favour for me. I have engineered my own weather radar system using SIOC and FSUIPC Offsets. The System is designed to work with an IOCard interafced "DECCA" Panel. You won't understand unless you see a photo of the panel:



    Before you read the script, note the following:

    - The "LI" (Lights) Switch is NOT interfaced

    - The "Chain" (Rotary) Switch has numbers running from 1-5

    - The "OFF/REF/OP" Switch is a three-way rotary switch, with OFF position not being wired (so just 2 terminals wired)

    - REF (Orange) and OP (Green) Are two LEDs

    - This has come from a real aircraft

    I would like the SIOC Script to do the following:

    - If Precipitation Rate is more than 3, REF Light illumnates

    - If Turbulence Rate is more than 3, OP Light Illuminates

    - REF Light ONLY illuminates if the above condition is met and the Knob is set to "REF" or "OP"

    - OP Light ONLY illuminates if the above condition is met and the Knob is set to "OP"

    - The "Chain" Knob controls the cloud level. For example, if it is turned to 2, precipitation and turbulence reports will ONLY be given for cloud level 2 (this is controlled using appropriate Offsets)

    - If the Mode Knob is set to OFF, then nothing happens (nothing lights up)

    Thanks for reading, and please tell me if the script will do what I want:

    Code:
    Var 7675, name REF, Link IOCARD_OUT, Output 4 // REF LED
    Var 7002, name OP, Link IOCARD_OUT, Output 5 // OP LED
    Var 9991, name OPSW, Link IOCARD_SW, Input 29, Type I // OP SW
    Var 8881, name REFSW, Link IOCARD_SW, Input 28, Type I // REF SW
    Var 9090, name Chain5, Link IOCARD_SW, Input 20 // Chain 5 Selector
    Var 7890, name Chain4, Link IOCARD_SW, Input 26 // Chain 4 Selector
    Var 7665, name Chain3, Link IOCARD_SW, Input 25 // Chain 3 Selector
    Var 7605, name Chain2, Link IOCARD_SW, Input 24 // Chain 2 Selector
    Var 7645, name Chain1, Link IOCARD_SW, Input 23 // Chain 1 Selector
    Var 9888, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (1)
    {
      L0 = V9888 // FSUIPC L0 = v9888  
      IF L0 >= 3    // First sector
      {
        IF &Chain1 = 1     // 1 selected
     {
        IF &REFSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 9889, Link FSUIPC_IN, Offset $CE9D, Length 4 // Cloud Precipitation Rate (2)
    
    {
      L0 = V9889 // FSUIPC L0 = v9889  
      IF L0 >= 3    // First sector
      {
        IF &Chain2 = 1     // 1 selected
     {
        IF &REFSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 9819, Link FSUIPC_IN, Offset $CEAD, Length 4 // Cloud Precipitation Rate (3)
    
    {
      L0 = V9819 // FSUIPC L0 = v9819  
      IF L0 >= 3    // First sector
      {
        IF &Chain3 = 1     // 1 selected
     {
        IF &REFSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 9829, Link FSUIPC_IN, Offset $CEBD, Length 4 // Cloud Precipitation Rate (4)
    
    {
      L0 = V9829 // FSUIPC L0 = v9829  
      IF L0 >= 3    // First sector
      {
        IF &Chain4 = 1     // 1 selected
     {
        IF &REFSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 3829, Link FSUIPC_IN, Offset $CECD, Length 4 // Cloud Precipitation Rate (5)
    
    {
     L0 = V3829 // FSUIPC L0 = v3829  
      IF L0 >= 3    // First sector
      {
        IF &Chain5 = 1     // 1 selected
     {
        IF &REFSW = 1
     { 
        &REF = 1
      }
     }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    }
    
    Var 1746, Link FSUIPC_IN, Offset $CE88, Length 4 // Cloud Turbulence Rate (1)
    
    {
      L0 = V1746 // FSUIPC L0 = v1746  
      IF L0 >= 3    // First sector
      {
        IF &Chain1 = 1     // 1 selected
     {
        IF &OPSW = 1
    {
    &OP = 1
      }
     }
      ELSE     // Otherwise
      {
        &OP = 0 //  Off
      }
    }
    }
    
    Var 3889, Link FSUIPC_IN, Offset $CE98, Length 4 // Cloud Turbulence Rate (2)
    
    {
      L0 = v3889 // FSUIPC L0 = v3889  
      IF L0 >= 3    // First sector
      {
        IF &Chain2 = 1     // 2 selected
     {
        IF &OPSW = 1
    {
    &OP = 1
      }
     }
      ELSE     // Otherwise
      {
        &OP = 0 //  Off
      }
    }
    }
    
    Var 3391, Link FSUIPC_IN, Offset $CEA8, Length 4 // Cloud Turbulence Rate (3)
    
    {
      L0 = V3391 // FSUIPC L0 = v3391  
      IF L0 >= 3    // First sector
      {
        IF &Chain3 = 1     // 3 selected
     {
        IF &OPSW
    {
        &OP = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &OP = 0 //  Off
      }
    }
    
    Var 9716, Link FSUIPC_IN, Offset $CEB8, Length 4 // Cloud Turbulence Rate (4)
    
    {
      L0 = V9716 // FSUIPC L0 = v9716  
      IF L0 >= 3    // First sector
      {
        IF &Chain4 = 1     // 4 selected
     {
        IF &OPSW = 1
    {
    &OP = 1    
      }
     }
    }
      ELSE     // Otherwise
      {
        &OP = 0 //  Off
      }
    }
    
    Var 1019, Link FSUIPC_IN, Offset $CEC8, Length 4 // Cloud Turbulence Rate (5)
    
    {
      L0 = V1019 // FSUIPC L0 = v1019  
      IF L0 >= 3    // First sector
      {
        IF &Chain5 = 1     // 5 selected
     {
        IF &OPSW = 1
    {
        &OP = 1
      }
     }
      ELSE     // Otherwise
      {
        &OP = 0 //  Off
      }
    }
    }
    
    Var 5678, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (1)
    
    {
      L0 = V5678 // FSUIPC L0 = v5678  
      IF L0 >= 3    // First sector
      {
        IF &Chain1 = 1     // 1 selected
     {
        IF &OPSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 5679, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (2)
    
    {
      L0 = V5679 // FSUIPC L0 = v5679  
      IF L0 >= 3    // First sector
      {
        IF &Chain2 = 1     // 2 selected
     {
        IF &OPSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 5680, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (3)
    
    {
      L0 = V5680 // FSUIPC L0 = v5680  
      IF L0 >= 3    // First sector
      {
        IF &Chain3 = 1     // 3 selected
     {
        IF &OPSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 5681, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (4)
    
    {
      L0 = V5681 // FSUIPC L0 = v5681  
      IF L0 >= 3    // First sector
      {
        IF &Chain4 = 1     // 4 selected
     {
        IF &OPSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    
    Var 5682, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (5)
    {
      L0 = V5682 // FSUIPC L0 = v5682  
      IF L0 >= 3    // First sector
      {
        IF &Chain5 = 1     // 5 selected
     {
        IF &OPSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    Thank you so much if you managed to stay awake during all that!

  7. #7
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    Re: SIOC "IF" Question

    Jack

    For a script of this size and with so many conditions you would be better advised to run it and track what happens using IOCPConsole etc. You know how you programmed it !

    Regards

    David

  8. #8
    500+ This must be a daytime job Boeing 747 Flyer's Avatar
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    Re: SIOC "IF" Question

    Hi David,

    If it helps I'd like to "chop up" the script a bit then. this is because I'd rather get it sorted before my Master card arrives, giving me maximum time for testing.

    First question: I've put the structure:

    Code:
    {
      L0 = V9888 // FSUIPC L0 = v9888  
      IF L0 >= 3    // First sector
      {
        IF &Chain1 = 1     // 1 selected
     {
        IF &REFSW = 1
     { 
        &REF = 1
      }
     }
    }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    Twice, the only difference the second time being that switch &OPSW is used to control LED &REF instead.

    The question is, have I created a "contradictary paradox" here? I have used the same script for &REFSW and &OPSW to control the same LED (ie EITHER switch can control the LED). However, I have put at the end of each script ELSE &REF (LED) = 0 (OFF). This is contradictary because, for example, if the switch &OPSW was on, the LED should be lit. However, the script also says that if Switch &REF is off, the LED should be off. So, in short, the LED should in theory be ON and OFF at the same time.

    How do I rectify this problem?

  9. #9
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    Re: SIOC "IF" Question

    Jack

    If I understand you correctly, then if either of two switches is on then the led should be on subject to further tests - else the led should be off
    If you amend the example I and pdpo gave earlier in this thread then you can test if either switch is on

    C0 = variable one = 1
    C1 = variable two = 1
    IF C0 OR C1
    {
    Insert here your further tests for conditions to turn on the LED
    }

    ELSE
    {
    LED = off
    }

    I cannot emphasise more strongly about using IOCPConsole to troubleshoot your code. That way you can see what is happening and recode accordingly

    David

  10. #10
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    Re: SIOC "IF" Question

    Hi David,

    How does this look (basic example):

    Code:
    Var 7675, name REF, Link IOCARD_OUT, Output 4 // REF LED
    Var 9991, name OPSW, Link IOCARD_SW, Input 29, Type I // OP SW
    Var 8881, name REFSW, Link IOCARD_SW, Input 28, Type I // REF SW
    Var 7645, name Chain1, Link IOCARD_SW, Input 23 // Chain 1 Selector
    Var 9888, Link FSUIPC_IN, Offset $CE8D, Length 4 // Cloud Precipitation Rate (1)
    {
      C0 = V9991 = 1
      C1 = V8881 = 1
        IF C0 OR C1
      {
        L0 = V9888 // FSUIPC L0 = v9888  
      IF L0 >= 3    // First sector
       {
        IF &Chain1 = 1     // 1 selected
        {
        &REF = 1
        }
       }
      }
      ELSE     // Otherwise
      {
        &REF = 0 //  Off
      }
    }
    It compiles okay, can't test with IOCPConsole atm because my MasterCard hasn't arrived!

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