Curtis 1238SE - Page 131

10 — VEHICLE CONTROL LANGUAGE (VCL)
pg. 127
Return to TOC Curtis 1232E/34E/36E/38E & 1232SE/34SE/36SE/38SE Manual, os 31 – May 2017
MAP_TWO_POINTS( )
is function interpolates values between two points, Y1 and Y2; based upon an X input parameter.
Interpolating based on X1 and X2.
Typical Usage:
1. Calculate a value framed between two X-axis points projected across two Y
points, where the functions’ output is the value of the Y-axis intersection.
2. Extend the 7 pair limitation of the Setup_Map function by the use of
multiple If, If Else statements on segments of an XY array.
Syntax:
Map_Two_Points(X,X1,X2,Y1,Y2)
Parameters:
X
Input.
X1
Input point X1.
X2
Input point X2.
Y1
Output point Y1.
Y2
Output point Y2.
Returns:
n Mapped value.
Error Codes: None.
Example: Convert a controller value, such as Steer_Angle, to a voltage.
The input (X) is the Steer_Angle variable, where X1-X2 is an
angle between 0 and 90 Degrees. The output is the interpolated
value across Y-axis points in Volts.
Enable the expansion of the Setup_Map(16) function beyond the
seven (7) point-pair by the use of multiple If, If Else statements
on segments of a two point XY array. For Example:
If(X < 1)
{
Y = Map_2_Points(X, X1, X2, Y1, Y2)
}
Else If(0<= X <= 1)
{
Y = Map_two_Points(X, X1, X2, Y1, Y2)
}
Else If(1< X <= 2)
{
Y = Map_Two_Points(X, X1, X2, Y1, Y2)
}
Else If(2< X <= 3)
{
Y = Map_Two_Points(X, X1, X2, Y1, Y2)
}
Etc.