Sha256: d67a2a1ea99f3b4e6f73bd854cc7c6feeda5c13c0ef494a6c720f85c8cf9c852
Contents?: true
Size: 886 Bytes
Versions: 8
Compression:
Stored size: 886 Bytes
Contents
#frozen_string_literal: true
module FFI::WiringPi::SoftPwm
extend FFI::Library
ffi_lib 'wiringPi'
attach_function :soft_pwm_create, :softPwmCreate, [:int, :int, :int], :int
attach_function :soft_pwm_write, :softPwmWrite, [:int, :int], :void
class Pin
def initialize(pin, initial_state = 0, range = 100)
raise ArgumentError, 'Range should be Integer > 0' unless range.is_a?(Integer) && range > 0
raise ArgumentError, 'State should be within the range' unless initial_state.is_a?(Integer) && (0..range).cover?(initial_state)
@pin = pin
@range = range
FFI::WiringPi::SoftPwm.soft_pwm_create pin, initial_state, range
end
def write(value)
raise ArgumentError, 'Value should be within the range' unless value.is_a?(Integer) && (0..@range).cover?(value)
FFI::WiringPi::SoftPwm.soft_pwm_write @pin, value
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems