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15 mathematical operations – Rice Lake iRite IDE User Manual

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Programming Reference - API Reference

75

StartTimer

Starts timer T (1–32). For one-shot timers, this function must be called each time the timer is used. Continuous
timers are started only once; they do not require another call to StartTimer unless stopped by a call to the
StopTimer function.

Method Signature:
function StartTimer (T : Integer) : Syscode;

Parameters:

[in]

T

Timer number

SysCode values returned:

SysInvalidTimer

The timer specified by

T

a not valid timer.

SysOK

The function completed successfully.

StopTimer

Stops timer T (1–32).

Method Signature:
function StopTimer (T : Integer) : Syscode;

Parameters:

[in]

T

Timer number

SysCode values returned:

SysInvalidTimer

The timer specified by

T

a not valid timer.

SysOK

The function completed successfully.

5.15 Mathematical Operations

Abs

Returns the absolute value of x.

Method Signature:
function Abs (x : Real) : Real;

ATan

Returns a value between –

/2 and /2, representing the arctangent of x in radians.

Method Signature:
function Atan (x : Real) : Real;

Ceil

Returns the smallest integer greater than or equal to x.

Method Signature:
function Ceil (x : Real) : Integer;

Cos

Returns the cosine of x. x must be specified in radians.

Method Signature:
function Cos (x : Real) : Real;

Exp

Returns the value of e

x

.

Method Signature:
function Exp (x : Real) : Real;

Log

Returns the value of log

e

(x).

Method Signature:
function Log (x : Real) : Real;

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