def read_dsp_data(self):
if self.volume_register is None:
self.dspdata = None
self.dspvol = None
return False
dspdata = self.spi.read(self.volume_register,
self.volume_register_length)
if dspdata != self.dspdata:
# Convert to percent and round to full percent
vol = round(amplification2percent(self.dsp.decimal_val(dspdata)))
if vol < 0:
vol = 0
elif vol > 100:
vol = 100
logging.debug("DSP volume changed from {}% to {}%".format(
self.dspvol, vol))
self.dspvol = vol
self.dspdata = dspdata
return True
else:
return False
def cmd_get_limit(self):
vol = self.dsptk.get_limit()
if vol is not None:
print("Limit: {:.4f} / {:.0f}% / {:.0f}db".format(
vol, amplification2percent(vol), amplification2decibel(vol)))
else:
print("Profile doesn't support volume limit")
sys.exit(1)
