def get_clock_src(self):
plugs = self.__get_clock_plugs()
dst = plugs['input']
src = AvcCcm.get_signal_source(self.fcp, dst)
addr = AvcCcm.parse_signal_addr(plugs['output'])
if AvcCcm.compare_addrs(src, addr):
return 'Internal'
for name, addr in self.__CLOCK_SRCS.items():
if AvcCcm.compare_addrs(src, AvcCcm.parse_signal_addr(addr)):
return name
raise OSError('Unexpected state of device.')
def get_avail_connections(cls, fcp, unit_plug_list, subunit_plug_list):
src_candidates = {}
dst_candidates = {}
avail = {}
for seqid, info in unit_plug_list.items():
data = info['data']
addr = AvcCcm.get_unit_signal_addr(data['unit-type'], data['plug'])
if info['dir'] == 'output':
target = dst_candidates
else:
target = src_candidates
target[seqid] = addr
for seqid, info in subunit_plug_list.items():
data = info['data']
addr = AvcCcm.get_subunit_signal_addr(data['subunit-type'],
data['subunit-id'],
data['plug'])
# Inverse direction against plugs of unit.
if info['dir'] == 'output':
target = src_candidates
else:
target = dst_candidates
target[seqid] = addr
for dst_seqid, dst_addr in dst_candidates.items():
try:
curr_src_info = AvcCcm.get_signal_source(fcp, dst_addr)
except Exception:
curr_src_info = None
for src_seqid, src_addr in src_candidates.items():
try:
AvcCcm.ask_signal_source(fcp, src_addr, dst_addr)
except Exception:
continue
if dst_seqid not in avail:
avail[dst_seqid] = []
src_info = AvcCcm.parse_signal_addr(src_addr)
avail[dst_seqid].append((src_seqid, src_info == curr_src_info))
return avail
def get_clock_source(self):
dst = AvcCcm.get_subunit_signal_addr('music', 0, 1)
curr = AvcCcm.get_signal_source(self.unit.fcp, dst)
for name, addr in self.__clocks.items():
if AvcCcm.compare_addrs(curr, AvcCcm.parse_signal_addr(addr)):
return name