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'[SX] Invalid number of parameters error'
2005\12\05@105008 by DJFXn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DJFX wrote:

Here is the code that I am working with.  Every time I try to compile it I get an error "Invalid number of parameters" because of the 3 conditions in the IF statement.  Any help in correcting this problem would be greatly appreciated.


' -------------------------------------------------------------------------
' Device Settings
' -------------------------------------------------------------------------
DEVICE          SX28, OSCXT2, TURBO, STACKX, OPTIONX
FREQ            4_000_000

' -------------------------------------------------------------------------
' IO Pins
' -------------------------------------------------------------------------

Gas         VAR RB.6  
Flow        VAR RB.5
Temp        VAR RB.4

Solenoid    VAR RC.0
Fan         VAR RC.1
Alarm       VAR RC.2

' -------------------------------------------------------------------------
' Main
' -------------------------------------------------------------------------
PROGRAM Start
Start:

IF Gas = 1 AND Flow = 0 AND Temp = 0 THEN Check

LOW RC.0   'Solenoid
HIGH RC.1  'Fan
HIGH RC.2  'Alarm
GOTO Start

Check:
HIGH RC.0  'Solenoid
LOW  RC.1  'Fan
LOW  RC.2  'Alarm
GOTO Start
---------- End of Message ----------

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2005\12\05@110529 by Jon Williamsn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Jon Williams wrote:

SX/B only allows one operator per line -- remember, we keep things very simple so you can see what's going on underneath.  Here's another way to solve that problem:

Start:

 LOW Solenoid
 LOW Fan
 LOW Alarm

Main:

 temp1 = RB & %01110000
 IF temp1 = 0 THEN
   Solenoid = 1
   Fan = 0
   Alarm = 0
 ELSE
   Solenoid = 0
   Fan = 1
   Alarm = 1
 ENDIF
---------- End of Message ----------

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2005\12\05@124335 by DJFXn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DJFX wrote:

For this code we are running LED's that represent our Solenoid, Fan and Alarm.  The output I get is when I push any of the button's our Alarm and Fan LED's turn on.  What I need is that only when gas, RB.6 is high the Alarm and Fan LED's turn on.  If RB.6 is high and RB.5 or RB.4 are high, my Alarm and Fan LED's should turn off.

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2005\12\05@130147 by Johnson Rodn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Johnson Rod wrote:

do one binary operation per line and store the value in a temporary variable; in this case i used tempBit.

tempBit = flow OR temp
tempBit = tempBit AND gas if tempBit = 1 then...  
else...
endif
---------- End of Message ----------

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2005\12\05@132305 by DJFXn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DJFX wrote:

When I do this I get an error message: "BYTE Parameter Expected "Flow" and the same for Temp and Gas.

---------- End of Message ----------

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2005\12\05@142630 by DJFXn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DJFX wrote:

Hi anyone I need help again!!!  This time my error displays UNKNOWN COMMAND "LED".  I think this time I have the logic correct.  Pleas if anyone can help me I will realy acpreciate it  Here is my code.  It activates when and only if (gas = 1 and flow =0 and temp = 0.  

' -------------------------------------------------------------------------
' Program Description
' -------------------------------------------------------------------------
' -------------------------------------------------------------------------
' Device Settings
' -------------------------------------------------------------------------
DEVICE          SX28, OSC4MHZ, TURBO, STACKX, OPTIONX
FREQ            4_000_000

' -------------------------------------------------------------------------
' IO Pins
' -------------------------------------------------------------------------
Gas         VAR RC.1  
Flow        VAR RC.2
Temp        VAR RC.3

Solenoid    VAR RB.0
Fan         VAR RB.1
Alarm       VAR RB.2 tempbit            VAR bit
temp2       VAR bit
temp1            VAR BYTE
' -------------------------------------------------------------------------
' Main
' -------------------------------------------------------------------------
Start:
 LOW Solenoid
 LOW Fan
 LOW Alarm

Main:
tempbit = Flow OR Temp
if tempbit = 0 THEN
   temp2 = tempbit OR Gas
else
end if
IF temp2 = 1 THEN
   Solenoid = 0
   Fan = 1
   Alarm = 1
 ELSE
   Solenoid = 1
   Fan = 0
   Alarm = 0
 ENDIF
 GOTO Main
---------- End of Message ----------

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2005\12\05@145142 by beann/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote:

SX/B does not allow AND or OR with bit variables. Mainly because the SX assembly language doesn't either.

Your making it too hard on yourself. Try this:

---------- End of Message ----------

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2005\12\05@152118 by DJFXn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DJFX wrote:

Well I tried it and it works!!!!  I want to thank all you guys for the help.  You don't know how much I appreciate it.  Thank you again.

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2005\12\05@201758 by Jon Williamsn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Jon Williams wrote:

And sorry I lead you astray momentarily, DJ -- I was in the California office this morning and it a rush to get to my plane....  I'm safely back in Big D now.

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2005\12\06@131410 by DJFXn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DJFX wrote:

Now that worked but now I modified it and it doesn't work.  Here is the new code:

' -------------------------------------------------------------------------
' Program Description
' -------------------------------------------------------------------------
' -------------------------------------------------------------------------
' Device Settings
' -------------------------------------------------------------------------
DEVICE SX28, OSC4MHZ, TURBO, STACKX, OPTIONX
FREQ 4_000_000
' -------------------------------------------------------------------------
' IO Pins
' -------------------------------------------------------------------------
Gas VAR RC.1
Flow VAR RC.2
Temp VAR RC.3
Solenoid VAR RB.0
Fan VAR RB.1
Alarm1 VAR RB.2
Alarm2 VAR RB.3

temp0 VAR Byte
temp3 VAR Byte

' -------------------------------------------------------------------------
' Main
' -------------------------------------------------------------------------
Start:
 LOW Solenoid
 LOW Fan
 LOW Alarm1
 LOW Alarm2

Main:
 temp0 = Flow + Temp
 temp0 = temp0 + ~Gas
' temp0 can ONLY be 0 if Flow=0, Temp=0, and Gas=1 alarm dange level
 temp3 = Flow & Temp
 temp3 = temp3 &  Gas
' temp1 can ONLY be 1 if Flow=1, Temp=1, and Gas=1 alarm dang level rising
 
 
 IF temp0 = 0 THEN
   Solenoid = 0
   Fan = 1
   Alarm1 = 1
   Alarm2 = 0
IF temp3 = 1 THEN
    Solenoid = 1
    Fan = 0
    Alarm1 = 0
    Alarm2 = 1
 ENDIF
   Solenoid = 1
   Fan = 0
   Alarm1 = 0
   Alarm2 = 0
 ENDIF

 
 GOTO Main

Any Help is greatly appreciated.

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2005\12\06@135101 by Jon Williamsn/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Jon Williams wrote:

You might consider this:

 temp3 = RC & %00001110    ' mask unused bits
 temp3 = temp3 >> 1        ' remove unused zero-bit

 IF temp3 = %000 THEN
   ' do something
 ENDIF

 IF temp3 = %001 THEN
   ' do something else
 ENDIF

 IF temp3 = %010 THEN
   ' do yet something else
 ENDIF

 ' more IF-THEN structures (like above) as required

It may seem a little verbose but I think it's cleaner and less error-prone that what you're currently attempting.

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2005\12\06@152927 by beann/a

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote:

Dude,
 You CANNOT use AND or OR with bit variables. That means "&" and "|" too.
 You also have your IF...ENDIF boogered up.

 Just add the bit together like this:

 temp3 = Flow + Temp
 temp3 = temp3 +  Gas
' temp3 can ONLY be 3 if Flow=1, Temp=1, and Gas=1 alarm dang level rising
 IF temp3 = 3 THEN
   ' whatever
 ENDIF
 Keep working on it, and keep posting. We'll steer you in the right direction.

Bean.

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