class HWTest:
def __init__(self):
test_mode = False
self.e = Events(( 'Platform', 'CtrlTurn', 'CtrlPress', 'VolKnob', 'Audio', 'RemotePress', 'Streamer'))
""" Setup the event callbacks """
self.e.VolKnob += self.VolumeChange # when the volume knob, remote or switch is changed
self.e.CtrlTurn += self.SourceChange # when the control knob, remote or switch is pressed
self.e.CtrlPress += self.defaultAction # when when the control knob is pressed start the menu options
self.e.Platform += self.PlatformAction # when the system detects a change to be acted on , eg Shutdown
self.e.RemotePress += self.RemoteAction # when the remote controller is pressed
self.e.Audio += self.AudioAction # respond to a new sample, or audio silence
self.e.Streamer += self.StreamerAction # respond to a new sample, or audio silence
self.platform = Platform(self.e)
if test_mode:
self.display = self.platform.internaldisplay # this is used in test modes
else:
self.display = self.platform.frontdisplay
self.platform.powerAudio('on')
def defaultAction(self,e):
print("HWTest.defaultAction> event", e)
def VolumeChange(self, e='startVol'):
print("VolumeChange> event", e)
if e == 'vol_change':
self.platform.detectVolChange()
elif e =='mute':
self.platform.mute() #mute the audio board
elif e =='unmute':
self.platform.unmute() #unmute the audio board
def RemoteAction(self, e):
print("RemoteAction: received event<%s>" % e)
if e == 'volume_up':
self.platform.volumeUp()
elif e =='volume_down':
self.platform.volumeDown()
elif e =='mute':
self.platform.toggleMute()
elif e == 'shutdown':
self.PlatformAction('shutdown')
elif e =='forward':
self.events.CtrlTurn('clockwise')
elif e =='back':
self.events.CtrlTurn('anticlockwise')
elif e =='stop':
self.events.CtrlPress('down')
elif e =='pause':
self.platform.streamerpause()
elif e =='play':
self.platform.streamerplay()
else:
print("Controller.RemoteAction> unknown event <%s>" % e)
def SourceChange(self, e):
print("SourceChange> event", e)
if e == 'clockwise':
self.platform.nextSource()
elif e == 'anticlockwise':
self.platform.prevSource()
def AudioAction(self, e):
print("AudioAction> event ",e)
if e == 'silence_detected':
self.platform.mute()
elif e == 'signal_detected':
self.platform.unmute()
elif e == 'capture':
# if self.audioready>0:
# print("Controller.AudioAction> %d sample buffer underrun, dump old data " % self.audioready)
self.platform.process()
self.audioready +=1
def PlatformAction(self, e='error'):
print("PlatformAction> event ", e)
def StreamerAction(self, e):
print("Controller.StreamerAction> event ", e)
if e == 'new_track' or e == 'start':
print("Controller.StreamerAction> new track - pop up display ", e)
elif e == 'stop':
print("Controller.StreamerAction> track stopped - display nothing new")
self.platform.clear_track()
elif e =='trackNotified':
print("Controller.StreamerAction> track notification timeout")
""" use the platform API to test each of the HW functions """
def main(self):
logic = self.platform.sourceLogic()
chlogic = self.platform.chLogic()
status = self.platform.readAudioBoardState()
chchanged = True # display status first time around
while True:
line = GetLine()
if line:
print("pressed>",line)
if line == "q":
return
elif line >= "0" and line <= "5":
ch = int(line)
print("Channel=", ch, " source=", logic[ch])
self.platform.setSource(logic[ch])
chchanged = True
elif line == "g":
self.platform.gain(not status['gain'])
chchanged = True
elif line == "m":
self.platform.volKnobEvent(RotaryEncoder.BUTTONDOWN)
chchanged = True
elif line == "s":
print("AudioBoard>", self.platform.readAudioBoardState())
chchanged = True
self.display.draw_status(self.platform.volume_db, \
self.platform.activeSourceText, \
self.platform.chid, \
self.platform.muteState, self.platform.gainState, self.platform.phonesdetectState) # this will just be the diagnostics in time
time.sleep(0.005)
