def init_analog_controls(self):
for c in ANALOG_CONTROL:
control = AnalogMidiControl.AnalogMidiControl(
self.spi, c[0], c[1], c[2], self.midi_channel, self.midiout,
c[3])
self.analog_controls.append(control)
key = format("%d:%d" % (self.midi_channel, c[2]))
self.controllers[
key] = control # Controller.Controller(self.midi_channel, c[1], Controller.Type.ANALOG)
def __init__(self, mod, midiout, refresh_callback):
super(Pistomp, self).__init__(mod, midiout, refresh_callback)
if Pistomp.__single:
raise Pistomp.__single
Pistomp.__single = self
GPIO.setmode(GPIO.BCM)
self.spi = spidev.SpiDev()
self.spi.open(0, 1) # Bus 0, CE1
self.spi.max_speed_hz = 1000000 # TODO match with LCD or don't specify
self.mod = mod
self.midiout = midiout
# if test sentinel file exists execute hardware test
script_dir = os.path.dirname(os.path.realpath(__file__))
self.test_sentinel = os.path.join(script_dir, ".hardware_tests_passed")
if not os.path.isfile(self.test_sentinel):
self.test_pass = False
self.test()
# Create Relay object(s)
#self.relay = Relay.Relay(RELAY_RESET_PIN, RELAY_SET_PIN)
self.relay = Relay.Relay(RELAY_SET_PIN, RELAY_RESET_PIN)
# Create Footswitches
for f in FOOTSW:
fs = Footswitch.Footswitch(f[0], f[1], f[2], f[3], self.midi_channel, self.midiout,
refresh_callback=self.refresh_callback)
self.footswitches.append(fs)
self.reinit(None)
# Initialize Analog inputs
for c in ANALOG_CONTROL:
control = AnalogMidiControl.AnalogMidiControl(self.spi, c[0], c[1], c[2], self.midi_channel,
self.midiout, c[3])
self.analog_controls.append(control)
key = format("%d:%d" % (self.midi_channel, c[2]))
self.controllers[key] = control # Controller.Controller(self.midi_channel, c[1], Controller.Type.ANALOG)
# Initialize Encoders
top_enc = Encoder.Encoder(TOP_ENC_PIN_D, TOP_ENC_PIN_CLK, callback=mod.top_encoder_select)
self.encoders.append(top_enc)
bot_enc = Encoder.Encoder(BOT_ENC_PIN_D, BOT_ENC_PIN_CLK, callback=mod.bot_encoder_select)
self.encoders.append(bot_enc)
control = AnalogSwitch.AnalogSwitch(self.spi, TOP_ENC_SWITCH_CHANNEL, ENC_SW_THRESHOLD,
callback=mod.top_encoder_sw)
self.analog_controls.append(control)
control = AnalogSwitch.AnalogSwitch(self.spi, BOT_ENC_SWITCH_CHANNEL, ENC_SW_THRESHOLD,
callback=mod.bottom_encoder_sw)
self.analog_controls.append(control)
def create_analog_controls(self, cfg):
if cfg is None or (Token.HARDWARE
not in cfg) or (Token.ANALOG_CONTROLLERS
not in cfg[Token.HARDWARE]):
return
midi_channel = self.__get_real_midi_channel(cfg)
cfg_c = cfg[Token.HARDWARE][Token.ANALOG_CONTROLLERS]
if cfg_c is None:
return
for c in cfg_c:
if Util.DICT_GET(c, Token.DISABLE) is True:
continue
adc_input = Util.DICT_GET(c, Token.ADC_INPUT)
midi_cc = Util.DICT_GET(c, Token.MIDI_CC)
threshold = Util.DICT_GET(c, Token.THRESHOLD)
control_type = Util.DICT_GET(c, Token.TYPE)
if adc_input is None:
logging.error("Analog control specified without %s" %
Token.ADC_INPUT)
continue
if midi_cc is None:
logging.error("Analog control specified without %s" %
Token.MIDI_CC)
continue
if threshold is None:
threshold = 16 # Default, 1024 is full scale
control = AnalogMidiControl.AnalogMidiControl(
self.spi, adc_input, threshold, midi_cc, midi_channel,
self.midiout, control_type, c)
self.analog_controls.append(control)
key = format("%d:%d" % (midi_channel, midi_cc))
self.controllers[key] = control
def test(self):
self.mod.lcd.erase_all()
self.mod.lcd.draw_title("Hardware test...", None, False, False)
failed = 0
try:
GPIO.setmode(GPIO.BCM)
# TODO kinda lame that the instantiations of hardware objects here must match those in __init__
# except with different callbacks
# Footswitches
for f in FOOTSW:
self.mod.lcd.draw_info_message("Press Footswitch %d" %
int(f[0] + 1))
fs = Footswitch.Footswitch(f[0],
f[1],
f[2],
f[3],
self.midi_channel,
self.midiout,
refresh_callback=self.test_passed)
self.test_pass = False
timeout = 1000 # 10 seconds
initial_value = GPIO.input(f[2])
while self.test_pass is False and timeout > 0:
fs.poll()
new_value = GPIO.input(f[2]) # Verify that LED pin toggles
if new_value is not initial_value:
break
time.sleep(0.01)
timeout = timeout - 1
del fs
if timeout > 0:
self.mod.lcd.draw_info_message("Passed")
else:
self.mod.lcd.draw_info_message("Failed")
failed = failed + 1
time.sleep(1.2)
# Encoder rotary
encoders = [[
"Turn the PBoard Knob", TOP_ENC_PIN_D, TOP_ENC_PIN_CLK
], ["Turn the Effect Knob", BOT_ENC_PIN_D, BOT_ENC_PIN_CLK]]
for e in encoders:
enc = Encoder.Encoder(e[1], e[2], callback=self.test_passed)
self.mod.lcd.draw_info_message(e[0])
self.test_pass = False
timeout = 1000
while self.test_pass is False and timeout > 0:
enc.read_rotary()
time.sleep(0.01)
timeout = timeout - 1
del enc
if timeout > 0:
self.mod.lcd.draw_info_message("Passed")
else:
self.mod.lcd.draw_info_message("Failed")
failed = failed + 1
time.sleep(1.2)
# Encoder switches
encoders = [["Press the PBoard Knob", TOP_ENC_SWITCH_CHANNEL],
["Press the Effect Knob", BOT_ENC_SWITCH_CHANNEL]]
for e in encoders:
enc = AnalogSwitch.AnalogSwitch(self.spi,
e[1],
ENC_SW_THRESHOLD,
callback=self.test_passed)
self.mod.lcd.draw_info_message(e[0])
self.test_pass = False
timeout = 1000
while self.test_pass is False and timeout > 0:
enc.refresh()
time.sleep(0.01)
timeout = timeout - 1
del enc
if timeout > 0:
self.mod.lcd.draw_info_message("Passed")
else:
self.mod.lcd.draw_info_message("Failed")
failed = failed + 1
time.sleep(1.2)
# Analog Knobs
self.mod.lcd.draw_info_message("Turn the Tweak knob")
c = ANALOG_CONTROL[0]
control = AnalogMidiControl.AnalogMidiControl(
self.spi, c[0], c[1], c[2], self.midi_channel, self.midiout,
c[3])
self.test_pass = False
timeout = 1000
initial_value = control.readChannel()
while self.test_pass is False and timeout > 0:
time.sleep(0.01)
pot_adjust = abs(control.readChannel() - initial_value)
if pot_adjust > c[1]:
break
timeout = timeout - 1
del control
if timeout > 0:
self.mod.lcd.draw_info_message("Passed")
else:
self.mod.lcd.draw_info_message("Failed")
failed = failed + 1
time.sleep(1.2)
if failed > 0:
self.mod.lcd.draw_info_message("%d control(s) failed" % failed)
time.sleep(3)
else:
# create sentinel file so test procedure is skipped next boot
f = Path(self.test_sentinel)
f.touch()
self.mod.lcd.draw_info_message("Restarting...")
time.sleep(1.2)
except KeyboardInterrupt:
return
finally:
self.mod.lcd.cleanup()
GPIO.cleanup()
sys.exit()