def testConversion(self):
return
for mul in [-2, -1, -.8, -.3, 0.1, 0.3, 0.331, 0.6, 0.9, 1, 1.2]:
for d in [
0.0001, 0.1234, 0.5, 0.51, 0.52, 0.53, 0.7, 1, 1.1, 1.2,
1.22, 2.9, 0
]:
val = mul * d
print(val)
print(Adau145x.decimal_repr(val))
self.assertAlmostEqual(
val, Adau145x.decimal_val(Adau145x.decimal_repr(val)), 5)
def __init__( self, filename=None ):
self.dsp = Adau145x()
self.doc = None
self.filename = filename
self.eeprom = DummyEepromWriter( self.dsp )
if filename is not None:
self.read_from_file( filename )
def replace_in_memory_block(data, startaddr, replace_dict):
"""
Replace memory cells in memory write commands in an XML profile
This function won't be applied to EEPROM write commands!
"""
cell_len = Adau145x.cell_len(startaddr)
assert len(data) % cell_len == 0
endaddr = startaddr + len(data) / cell_len
for repl_addr in replace_dict.keys():
if repl_addr >= startaddr and repl_addr <= endaddr:
content = replace_dict[repl_addr]
if len(content) != cell_len:
logging.error(
"Cell %s: content len is %s but cell len is %s, ignoring",
repl_addr, len(content), cell_len)
continue
assert len(content) == cell_len
address_offset = (repl_addr - startaddr) * cell_len
logging.debug("replacing memory at address {} by {}", repl_addr,
content)
data[address_offset:address_offset + len(content)] = content
def main():
global sigmatcp
if len(sys.argv) > 1:
if "-v" in sys.argv:
logging.basicConfig(format='%(levelname)s: %(name)s - %(message)s',
level=logging.DEBUG,
force=True)
else:
logging.basicConfig(format='%(levelname)s: %(name)s - %(message)s',
level=logging.INFO,
force=True)
signal.signal(signal.SIGUSR1, stop_playback)
sigmatcp = SigmaTCPClient(Adau145x(), "127.0.0.1")
while True:
time.sleep(1)
if stopped:
logging.debug("stopped")
continue
if (spdifactive()):
silenceloop()
else:
logging.debug("no SPDIF lock, sleeping")
def __init__(self,
ip="127.0.0.1",
dsp=Adau145x()):
self.dsp = dsp
self.ip = ip
self.sigmatcp = SigmaTCPClient(self.dsp, self.ip)
self.resetgpio = None
def testValues(self):
# Known good representations (calculated in SigmaStudio)
known_good = {
0x80000000: -128,
0xFF000000: -1,
0: 0,
0x40000000: 64,
0x1000000: 1,
0x10000: 0.00390625,
}
for b in known_good:
f = known_good[b]
self.assertEqual(b, Adau145x.decimal_repr(f),
"float -> int failed for {}/{}".format(b, f))
self.assertEqual(f, Adau145x.decimal_val(b),
"int -> float failed for {}/{}".format(b, f))
def __init__(self, filename, fs=48000, dsp=Adau145x()):
self.values = {}
self.fs = fs
self.dsp = dsp
with open(filename) as settingsfile:
for line in settingsfile:
if len(line.strip()) == 0 or line.startswith("#"):
continue
try:
(attrib, value) = line.split(":", maxsplit=1)
except:
logging.error("can't parse line %s", line)
continue
attrib = attrib.strip()
if attrib.lower().startswith("iir"):
value = self.parse_biquad(value)
else:
value = self.parse_value(value.strip())
self.values[attrib] = value
def get_updates(self, xmlprofile):
replace = {}
for attribute in self.values:
(addr, length) = xmlprofile.get_addr_length(attribute)
if addr is None and attribute.startswith("0x"):
# if it's not a setting form the profile, it might be
# a memory address
try:
addr = int(attribute, 16)
length = 1
except:
logging.error("can't parse address %s", addr)
addr = None
if addr is None:
continue
val = self.values[attribute]
word_length = Adau145x.cell_len(addr)
memory = self.param_to_bytes(val, length, word_length=word_length)
if len(memory) <= self.dsp.cell_len(addr):
replace[addr] = memory
else:
# Split long replaced into single words
assert len(memory) % word_length == 0
while len(memory) > 0:
cellvalue = memory[0:word_length]
replace[addr] = cellvalue
addr += 1
memory = memory[word_length:]
return replace
