Pigpiox

v0.1.2

Pigpiox v0.1.2 Pigpiox.Pwm View Source

Build and send waveforms with pigpiod.

Link to this section Summary

Functions

get_pwm_dutycycle(pin)

Get the current dutycycle for a specific PWM GPIO pin

get_pwm_frequency(pin)

Get the current frequency for a specific PWM GPIO pin

gpio_pwm(pin, level)

Sets up a specific pin as a software PWM and sets the current dutycycle

hardware_pwm(pin, freq, level)

Sets the current dutycycle and fequency for the hardware PWM on a specific GPIO pin

set_pwm_dutycycle()
set_pwm_frequency(pin, freq)

Set the current frequency for a specific PWM GPIO pin

Link to this section Functions

Link to this function get_pwm_dutycycle(pin) View Source 
get_pwm_dutycycle(pin :: integer) ::
  {:ok, integer} |
  {:error, atom}

Get the current dutycycle for a specific PWM GPIO pin

Link to this function get_pwm_frequency(pin) View Source 
get_pwm_frequency(pin :: integer) ::
  {:ok, integer} |
  {:error, atom}

Get the current frequency for a specific PWM GPIO pin

Link to this function gpio_pwm(pin, level) View Source 
gpio_pwm(pin :: integer, level :: integer) ::
  :ok |
  {:error, atom}

Sets up a specific pin as a software PWM and sets the current dutycycle

Link to this function hardware_pwm(pin, freq, level) View Source 
hardware_pwm(pin :: integer, freq :: integer, level :: integer) ::
  :ok |
  {:error, atom}

Sets the current dutycycle and fequency for the hardware PWM on a specific GPIO pin

Link to this function set_pwm_frequency(pin, freq) View Source 
set_pwm_frequency(pin :: integer, freq :: integer) ::
  :ok |
  {:error, atom}

Set the current frequency for a specific PWM GPIO pin