def RenewMedia(
val=None
): # boolean, return value True indicates "preset load in progress",
try: # setting optional input to any value except False or "n*" forces a reload of same sample set
if val and str(
val)[0].upper() != "N": # using yes/no is also allowed :-)
gv.basename = "None" # start from scratch
gv.LoadSamples() # perform the loading
return gv.ActuallyLoading
except:
return True
def Preset(val=None): # 0-127
try:
if val != None:
if val >= 0 and val <= 127:
if gv.PRESET != val:
gv.PRESET = val
gv.LoadSamples()
return gv.ActuallyLoading
return gv.PRESET
except:
return 0
def Preset(val=None): # 0-127
try:
if val != None:
if val >= 0 and val <= 127:
if gv.PRESET != val:
if gv.getindex(val, gv.presetlist) > -1:
gv.PRESET = val
gv.LoadSamples()
else:
print("Preset %d does not exist, ignored" % val)
#else: print ("Preset %d already loaded" %val)
return gv.ActuallyLoading
return gv.PRESET
except:
return 0
def DefinitionTxt(val=None): # contains definition.txt
try:
if val != None:
if gv.DefinitionTxt != val:
gv.DefinitionTxt = val
fname = gv.samplesdir + gv.presetlist[gv.getindex(
gv.PRESET, gv.presetlist)][1] + "/" + gv.SAMPLESDEF
gp.samples2write()
with open(fname, 'w') as definitionfile:
definitionfile.write(gv.DefinitionTxt)
gp.samples2read()
gv.basename = "None" # do a renew to sync the update
gv.LoadSamples()
return gv.ActuallyLoading
return gv.DefinitionTxt
except:
return "** Error **"
def DefinitionTxt(val=None): # contains definition.txt
try:
if val != None:
if gv.DefinitionTxt != val:
gv.DefinitionTxt = val
fname = gv.samplesdir + gv.presetlist[gv.getindex(
gv.PRESET, gv.presetlist)][1] + "/" + gv.SAMPLESDEF
if gv.rootprefix == "":
subprocess.call(
['mount', '-vo', 'remount,rw', gv.samplesdir])
with open(fname, 'w') as definitionfile:
definitionfile.write(gv.DefinitionTxt)
if gv.rootprefix == "":
subprocess.call(
['mount', '-vo', 'remount,ro', gv.samplesdir])
gv.basename = "None" # do a renew to sync the update
gv.LoadSamples()
return gv.ActuallyLoading
return gv.DefinitionTxt
except:
return "** Error **"
def LoadSamples(self):
gv.ActuallyLoading = True # safety first, as these processes run in parallel
gv.LoadSamples() # perform the loading
self.do_GET() # answer the browser
def Buttons():
global lastbuttontime, buttfunc, button_functions, BUT_incr, BUT_decr, BUT_sel, button_disp
GPIO.setmode(GPIO.BCM)
GPIO.setup(BUT_incr, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(BUT_decr, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(BUT_sel, GPIO.IN, pull_up_down=GPIO.PUD_UP)
lastbuttontime = time.time()
print 'Started buttons via GPIO: Increment=%d, Decrement=%d, Select=%d' % (
BUT_incr, BUT_decr, BUT_sel)
while True:
now = time.time()
if (now - lastbuttontime) > 0.2:
if not GPIO.input(BUT_decr):
lastbuttontime = now
if buttfunc == 0:
x = gv.getindex(gv.PRESET, gv.presetlist) - 1
if x < 0: x = len(gv.presetlist) - 1
gv.PRESET = gv.presetlist[x][0]
gv.LoadSamples()
elif buttfunc == 1:
gv.volume -= 5
if gv.volume < 0: gv.volume = 0
gv.setvolume(gv.volume)
Button_display()
elif buttfunc == 2:
gv.MIDI_CHANNEL -= 1
if gv.MIDI_CHANNEL < 1: gv.MIDI_CHANNEL = 16
Button_display()
elif buttfunc == 3:
if not gv.midi_mute:
gv.midi_mute = True
gv.display("** MIDI muted **")
else:
gv.midi_mute = False
Button_display()
elif buttfunc == 4:
gv.currscale = 0 # scale and chord mode are mutually exclusive
gv.currchord -= 1
if gv.currchord < 0: gv.currchord = len(gv.chordname) - 1
Button_display()
elif buttfunc == 5:
gv.currchord = 0 # scale and chord mode are mutually exclusive
gv.currscale -= 1
if gv.currscale < 0: gv.currscale = len(gv.scalename) - 1
Button_display()
elif not GPIO.input(BUT_incr):
lastbuttontime = now
gv.midi_mute = False
if buttfunc == 0:
x = gv.getindex(gv.PRESET, gv.presetlist) + 1
if x >= len(gv.presetlist): x = 0
gv.PRESET = gv.presetlist[x][0]
gv.LoadSamples()
elif buttfunc == 1:
gv.volume += 5
if gv.volume > 100: gv.volume = 100
gv.setvolume(gv.volume)
Button_display()
elif buttfunc == 2:
gv.MIDI_CHANNEL += 1
if gv.MIDI_CHANNEL > 16: gv.MIDI_CHANNEL = 1
Button_display()
elif buttfunc == 3:
gv.basename = "None"
gv.LoadSamples()
#Button_display() # loadsamples also displays
elif buttfunc == 4:
gv.currscale = 0 # scale and chord mode areLoadSamples mutually exclusive
gv.currchord += 1
if gv.currchord >= len(gv.chordname): gv.currchord = 0
Button_display()
elif buttfunc == 5:
gv.churrchord = 0 # scale and chord mode are mutually exclusive
gv.currscale += 1
if gv.currscale >= len(gv.scalename): gv.currscale = 0
Button_display()
elif not GPIO.input(BUT_sel):
lastbuttontime = now
buttfuncmax = len(button_functions)
buttfunc += 1
if buttfunc >= len(button_functions): buttfunc = 0
if not gv.USE_ALSA_MIXER:
if button_disp[buttfunc] == "V": buttfunc += 1
#use if above gets complex: if buttfunc >= len(button_functions): buttfunc=0
gv.midi_mute = False
Button_display()
time.sleep(0.02)