def writeToSerial(self, data):
if serialDebug:
ansi.stdout(
"{style.bold.fg.black}Arduino <- RPi :{style.none} {data!r}",
data=data
)
self.serial.write(data)
def readFromSerial(self):
data = self.serial.readline()
if serialDebug:
ansi.stdout(
"{style.bold.fg.black} Arduino -> RPi:{style.none} {data!r}",
data=data
)
return data
def displayFileStarted(sampleGen):
print()
ansi.stdout(
"Playing audio file: {style.fg.blue}{file.currentFilename}{style.none}\n"
"{style.bold.fg.black}channels:{style.none} {file.channels}"
" {style.bold.fg.black}sample rate:{style.none} {file.samplerate} Hz"
" {style.bold.fg.black}duration:{style.none} {file.duration} s",
file=sampleGen
)
def getData(self):
ansi.stdout(
"{cursor.col.0}{clear.line.all}Current time:"
" {style.bold}{file.elapsedTime: >7.2f}{style.none} / {file.duration: <7.2f}",
file=self.sampleGen,
suppressNewline=True
)
# fill the chunk with audio data from the stream source
return self.sampleGen.nextChunk()
def queueNextSound(self, event=None):
chunk = sampleGen.nextChunk()
chunk.play()
ansi.stdout(
"{cursor.col.0}{clear.line.all}Current time:"
" {style.bold}{file.elapsedTime: >7.2f}{style.none} / {file.duration: <7.2f}",
file=sampleGen,
suppressNewline=True
)
def queueNextSound(self, event=None):
if self.debug:
ansi.stdout(
"{cursor.col.0}{clear.line.all}Current time:"
" {style.bold}{file.elapsedTime: >7.2f}{style.none} / {file.duration: <7.2f}",
file=self.sampleGen,
suppressNewline=True
)
chunk = self.sampleGen.nextChunk()
if self.pcm:
self.pcm.write(chunk)
def _onSongChanged(self, tags, songInfo):
print()
ansi.stdout(
"Analyzing audio file: {style.fg.blue}{file.currentFilename}{style.none}\n"
"{style.bold.fg.black}channels:{style.none} {file.channels}"
" {style.bold.fg.black}sample rate:{style.none} {file.samplerate} Hz"
" {style.bold.fg.black}duration:{style.none} {file.duration} s",
file=self.sampleGen
)
try:
self.messageQueue.put_nowait(('songChange', self.sampleGen.currentFilename, songInfo))
except QueueFull:
ansi.error("Message queue to light process full! Continuing...")
self.csv.writerow([
'{} Hz'.format(f)
for f in self.analyzer.fftFrequencies(self.sampleGen.samplerate)
])
