---
name: "knob2float"
section: "9"
platform: "linux"
package: "linuxcnc-uspace"
version: "1:2.9.4-2+deb13u1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/knob2float"
---

# knob2float(9)

Convert counts (probably from an encoder) to a float value

## NAME

knob2float - Convert counts (probably from an encoder) to a float value

## SYNOPSIS

**loadrt knob2float \[count=*N*\|names=*name1*\[,*name2...*\]\]**

## FUNCTIONS

- **knob2float.***N* (requires a floating-point thread)

  ## PINS

- **knob2float.*N*.counts s32 in**

  Counts

- **knob2float.*N*.enable bit in**

  When TRUE, output is controlled by count, when FALSE, output is fixed

- **knob2float.*N*.scale float in**

  Amount of output change per count

- **knob2float.*N*.out float out**

  Output value

## PARAMETERS

- **knob2float.*N*.max-out float rw (default: *1.0*)**

  Maximum output value, further increases in count will be ignored

- **knob2float.*N*.min-out float rw (default: *0.0*)**

  Minimum output value, further decreases in count will be ignored

## AUTHOR

John Kasunich

## LICENSE

GPL