Some LM Ambient questions

[gjniewenhuijse]

2. Try this:

Code:

function beep(freq, time)
  local path = '/sys/class/pwm/pwmchip0/pwm1/'
  io.writefile(path .. 'enable', 1)
 
  local period = math.floor(10 ^ 9 / freq)   
  local cycle = math.floor(period / 2)

  io.writefile(path .. 'period', period)
  io.writefile(path .. 'duty_cycle', cycle)

  os.sleep(time)

  io.writefile(path .. 'enable', 0)
end

-- 700hz for 1/10 second
beep(700, 0.1)

Is this code still working? because my ambient doesn't beep
And is it also possible to control the buzzer volume from this script?