Sha256: 9d25d24bfec1c1a97ddb4bcd0315eefbf7369b4cd87d1eea5759caa43df382bc
Contents?: true
Size: 752 Bytes
Versions: 8
Compression:
Stored size: 752 Bytes
Contents
module Denko
class Board
# CMD = 17
def tone(pin, frequency, duration=nil)
raise ArgumentError, "Tone cannot generate frequencies lower than 31Hz" if frequency < 31
raise ArgumentError, "Tone duration cannot be more than 65535 milliseconds" if (duration && (duration > 0xFFFF))
# Pack the frequency and optional duration as binary.
aux = pack(:uint16, frequency)
aux << pack(:uint16, duration) if duration
write Message.encode command: 17,
pin: pin,
value: duration ? 1 : 0,
aux_message: aux
end
# CMD = 18
def no_tone(pin)
write Message.encode command: 18, pin: pin
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems