Improved GUI

Fix volume computation

.gitignore

@@ -5,3 +5,4 @@ venv
 # PyInstaller
 build
 dist
+__pycache__

README.md

@@ -7,6 +7,10 @@ License: [GPLv3+](LICENSE)
 
 Language: [Python](https://python.org) 3
 
+Dependencies:
+
+- [Unicode Power Symbol](https://unicodepowersymbol.com/) Copyright (c) 2013 Joe Loughry licensed under MIT
+
 ### Features
 
 #### Target hardware
@@ -74,12 +78,11 @@ Language: [Python](https://python.org) 3
 
 ##### Windows executable
 
-- [ ] Find a way to make it resident in the task bar with a nice icon, like soundcard control panel
+- [x] Find a way to make it resident in the task bar with a nice icon, like soundcard control panel
  - [x] [RBTray](https://sourceforge.net/projects/rbtray/files/latest/download)
- - [x] [MinimizeToTray](https://github.com/sandwichdoge/MinimizeToTray/releases/latest)
  - [ ] The Pythonic Way
 - [ ] Handle shutdown to power off the device
-- [ ] PyInstaller
+- [y] PyInstaller
 - [ ] VST plugin? (Not required if MIDI input is implemented but would be neat to have in the monitoring section of a
  DAW)
  - [ ] See [PyVST](https://pypi.org/project/pyvst/)

config.py

@@ -1,9 +1,14 @@
 from telnetlib import TELNET_PORT
 
+DEBUG = False
+
+GUI = True
+
+# TODO: override at build time
+BUILD_DATE = '<source>'
+
 RECEIVER_IP = '192.168.1.24'
 RECEIVER_PORT = TELNET_PORT
-GUI = True
-DEBUG = True
 
 VOL_PRESET_1 = '-30.0dB'
 VOL_PRESET_2 = '-24.0dB'

denon/communication.py

@@ -52,24 +52,24 @@ def lineReceived(self, line):
  state = False
  if receiver.parameter_code == 'ON':
  state = True
- self.factory.app.set_mute_button(state)
+ self.factory.app.update_volume_mute(state)
 
  # VOLUME
  if receiver.command_code == 'MV':
  if receiver.subcommand_code is None:
- self.factory.app.set_volume(receiver.parameter_label)
+ self.factory.app.update_volume(receiver.parameter_label)
 
  # POWER
  if receiver.command_code == 'PW':
  state = True
  if receiver.parameter_code == 'STANDBY':
  state = False
- self.factory.app.set_power_button(state)
+ self.factory.app.update_power(state)
 
  # SOURCE
  if receiver.command_code == 'SI':
  source = receiver.parameter_code
- self.factory.app.set_source(source)
+ self.factory.app.update_source(source)
 
  def connectionMade(self):
  if self.factory.gui:
@@ -100,7 +100,6 @@ def get_mute(self):
  self.sendLine('MU?'.encode('ASCII'))
 
  def set_mute(self, state):
- self.logger.debug("Entering mute callback")
  if state:
  self.sendLine('MUON'.encode('ASCII'))
  else:

denon/dn500av.py

@@ -78,25 +78,48 @@ def srange(start, stop, step, length):
 MASTER_VOLUME_ZERODB_REF = 80
 
 
-def compute_master_volume_label(value):
+def compute_master_volume_label(value, zerodb_ref=MASTER_VOLUME_ZERODB_REF):
  """Convert Master Volume ASCII value to dB"""
  # TODO: Handle absolute values
- label = ''
+ label = '---.-dB'
  if int(value[:2]) < MASTER_VOLUME_MIN or int(value[:2]) > MASTER_VOLUME_MAX:
  logger.error("Master volume value %s out of bounds (%s-%s)", value, MASTER_VOLUME_MIN, MASTER_VOLUME_MAX)
  # Quirks
  if value == '99':
- label = "-∞dB"
+ result = "-∞dB"
  elif value == '995':
- label = "-80.5dB"
- else:
+ result = "-80.5dB"
+ elif len(value) == 2:
  # General case
+ result = str(float(value) - zerodb_ref)
+ elif len(value) == 3:
+ # Handle undocumented special case for half dB
+
+ # Hardcode values around 0 because of computing sign uncertainty
  # FIXME: test '985' which seems invalid
- if len(value) == 2:
- label = str(float(value) - MASTER_VOLUME_ZERODB_REF) + "dB"
- if len(value) == 3:
- # Handle undocumented special case for half dB
- label = str(int(value[:2]) - MASTER_VOLUME_ZERODB_REF) + ".5" + "dB"
+ if value == str((zerodb_ref - 1)) + '5':
+ result = "-0.5"
+ elif value == str(zerodb_ref) + '5':
+ result = "0.5"
+ else:
+ value = int(value[:2]) # Drop the third digit
+ offset = 0
+ if value < zerodb_ref:
+ offset = 1
+ logger.debug("Add offset %i to dB calculation with value %i5", offset, value)
+ result = str(int(value + offset - zerodb_ref)) + ".5"
+ else:
+ raise ValueError
+
+ # Format label with fixed width like the actual display:
+ # [ NEG SIGN or EMPTY ] [ DIGIT er EMPTY ] [ DIGIT ] [ DOT ] [ DIGIT ] [ d ] [ B ]
+ label = "%s%s%s.%sdB" % (
+ result[0] if result[0] == '-' else " ",
+ " " if len(result) <= 3 or result[-4] == '-' else result[-4],
+ result[-3],
+ result[-1])
+
+ logger.debug(label)
  return label
 
 
@@ -734,7 +757,7 @@ def parse_response(self, status_command):
  self.logger.error("Command unknown: %s", status_command)
  return
  else:
- self.logger.info("Found command %s: %s", self.command_code, self.command_label)
+ self.logger.info("Parsed command %s: %s", self.command_code, self.command_label)
 
  # Trim command from status command stream
  status_command = status_command[len(self.command_code):]
@@ -757,7 +780,7 @@ def parse_response(self, status_command):
  self.logger.debug("Subcommand unknown. Probably a parameter: %s", status_command)
  self.subcommand_code = None
  else:
- self.logger.info("Found subcommand %s: %s", self.subcommand_code, self.subcommand_label)
+ self.logger.info("Parsed subcommand %s: %s", self.subcommand_code, self.subcommand_label)
  # Trim subcommand from status command stream
  status_command = status_command[
  len(self.subcommand_code) + 1:] # Subcommands have a space before the parameter
@@ -778,7 +801,7 @@ def parse_response(self, status_command):
 
  # Handle unexpected leftovers
  if status_command:
- self.logger.error("unexpected unparsed data found: %s", status_command)
+ self.logger.error("Unexpected unparsed data found: %s", status_command)
 
  if self.subcommand_label:
  self.response = "%s, %s: %s" % (self.command_label, self.subcommand_label, self.parameter_label)
@@ -793,7 +816,7 @@ class DN500AVFormat():
 
  def __init__(self, logger=None):
  self.logger = logger
- self.mv_reverse_params = new_dict = dict([(value, key) for key, value in mv_params.items()])
+ self.mv_reverse_params = dict([(value, key) for key, value in mv_params.items()])
 
  def get_raw_volume_value_from_db_value(self, value):
  self.logger.debug('value: %s', value)

denonremote.spec

@@ -4,11 +4,15 @@ from kivy_deps import sdl2, glew
 
 block_cipher = None
 
+added_files = [
+ ( 'Unicode_IEC_symbol.ttf', '.' ),
+ ('assets', 'assets')
+]
 
 a = Analysis(['main.py'],
  pathex=['G:\\raph\\Documents\\GitHub\\denonremote'],
  binaries=[],
- datas=[],
+ datas=added_files,
  hiddenimports=[],
  hookspath=[],
  runtime_hooks=[],