def _parse_signal_sources(self):
srcs = []
candidates = []
# This is internal clock source.
for i, plug in self.subunit_plugs['music']['output'].items():
if plug['type'] == 'Sync':
addr = AvcCcm.get_subunit_signal_addr('music', 0, i)
candidates.append((addr, plug))
# External source is available.
for i, plug in self.unit_plugs['external']['input'].items():
if plug['type'] in ('Sync', 'Digital', 'Clock'):
addr = AvcCcm.get_unit_signal_addr('external', i)
candidates.append((addr, plug))
# SYT-match is available, but not practical.
for i, plug in self.unit_plugs['isoc']['input'].items():
if plug['type'] == 'Sync':
addr = AvcCcm.get_unit_signal_addr('isoc', i)
candidates.append((addr, plug))
# BeBoBv3 has.
# Inquire these are able to connect to destination.
for params in candidates:
addr = params[0]
plug = params[1]
try:
AvcCcm.ask_signal_source(self.fcp, addr,
self.signal_destination)
except:
continue
srcs.append(params)
return srcs
def _parse_signal_sources(self, fcp):
srcs = {}
candidates = {}
# This is internal clock source.
for i, plug in enumerate(self.subunit_plugs['music']['output']):
if plug['type'] == 'Sync':
addr = AvcCcm.get_subunit_signal_addr('music', 0, i)
candidates[plug['name']] = addr
# External source is available.
for i, plug in enumerate(self.unit_plugs['external']['input']):
if plug['type'] in ('Sync', 'Digital', 'Clock'):
addr = AvcCcm.get_unit_signal_addr('external', i)
candidates[plug['name']] = addr
# SYT-match is available, but not practical.
for i, plug in enumerate(self.unit_plugs['isoc']['input']):
if plug['type'] == 'Sync':
addr = AvcCcm.get_unit_signal_addr('isoc', i)
candidates[plug['name']] = addr
# Inquire these are able to connect to destination.
for key, src in candidates.items():
try:
AvcCcm.ask_signal_source(fcp, src, self.signal_destination)
except:
continue
srcs[key] = src
return srcs
def _parse_signal_sources(self, fcp):
srcs = {}
candidates = {}
# This is internal clock source.
for i, plug in enumerate(self.subunit_plugs['music']['output']):
if plug['type'] == 'Sync':
addr = AvcCcm.get_subunit_signal_addr('music', 0, i)
candidates[plug['name']] = addr
# External source is available.
for i, plug in enumerate(self.unit_plugs['external']['input']):
if plug['type'] in ('Sync', 'Digital', 'Clock'):
addr = AvcCcm.get_unit_signal_addr('external', i)
candidates[plug['name']] = addr
# SYT-match is available, but not practical.
for i, plug in enumerate(self.unit_plugs['isoc']['input']):
if plug['type'] == 'Sync':
addr = AvcCcm.get_unit_signal_addr('isoc', i)
candidates[plug['name']] = addr
# Inquire these are able to connect to destination.
for key, src in candidates.items():
try:
AvcCcm.ask_signal_source(fcp, src, self.signal_destination)
except:
continue
srcs[key] = src
return srcs
def _parse_signal_destination(self):
dst = []
for i, plug in self.subunit_plugs['music']['input'].items():
if plug['type'] == 'Sync':
dst = AvcCcm.get_subunit_signal_addr('music', 0, i)
return dst
def get_clock_source(self):
dst = AvcCcm.get_subunit_signal_addr('music', 0, 1)
curr = AvcCcm.get_signal_source(self.fcp, dst)
for name, addr in self._clocks[self._id].items():
if AvcCcm.compare_addrs(curr, AvcCcm.parse_signal_addr(addr)):
return name
def set_clock_source(self, src):
dst = AvcCcm.get_subunit_signal_addr('music', 0, 1)
addr = self._clocks[self._id][src]
AvcCcm.set_signal_source(self.fcp, addr, dst)
def _parse_signal_destination(self, fcp):
dst = []
for i, plug in enumerate(self.subunit_plugs['music']['input']):
if plug['type'] == 'Sync':
dst = AvcCcm.get_subunit_signal_addr('music', 0, i)
return dst
#!/usr/bin/env python3
from gi.repository import Hinawa
from ta1394.general import AvcGeneral
from ta1394.ccm import AvcCcm
path = '/dev/fw{0}'.format(argv[1])
unit = Hinawa.FwUnit(path)
unit.listen()
fcp = Hinawa.FwFcp()
fcp.listen(unit)
clk_dst = AvcCcm.get_subunit_signal_addr('music', 0, 17)
# Sync to cycle start packet in IEEE 1394 bus, generally OHCI 1394
# host controller generates the packet, thus in fact the device
# synchronizes to cycle of the controller.
clk_csp_src = AvcCcm.get_subunit_signal_addr('music', 0, 17)
# Word clock input.
clk_word_src = AvcCcm.get_unit_signal_addr('external', 17)
# Some digital signals to optical interface.
clk_opt_src = AvcCcm.get_unit_signal_addr('external', 18)
# Retrieve current source
curr_src = AvcCcm.get_signal_source(fcp, clk_dst)
# The curr_src may be one of the above sources.
# Check avail or not
# If not, exception raises.
AvcCcm.ask_signal_source(fcp, clk_csp_src)