srenblad/artiq
1
0
Fork 0
forked from M-Labs/artiq
Code Pull Requests Activity

comm_analyzer: add WaveformManager, WaveformChannel

Browse Source
This commit is contained in:
Simon Renblad 2024-01-08 14:42:28 +08:00 committed by Sébastien Bourdeauducq
parent 6c0ff9a912
commit b215df2d25
1 changed files with 136 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

192
artiq/coredevice/comm_analyzer.py
View File

@ -34,6 +34,13 @@ class ExceptionType(Enum):
i_overflow = 0b100001
class WaveformType(Enum):
ANALOG = 0
BIT = 1
VECTOR = 2
LOG = 3
def get_analyzer_dump(host, port=1382):
sock = socket.create_connection((host, port))
try:
@ -150,6 +157,12 @@ class VCDChannel:
integer_cast = struct.unpack(">Q", struct.pack(">d", x))[0]
self.set_value("{:064b}".format(integer_cast))
def set_log(self, log_message):
value = ""
for c in log_message:
value += "{:08b}".format(ord(c))
self.set_value(value)
class VCDManager:
def __init__(self, fileobj):
@ -160,15 +173,15 @@ class VCDManager:
def set_timescale_ps(self, timescale):
self.out.write("$timescale {}ps $end\n".format(round(timescale)))
def get_channel(self, name, width):
def get_channel(self, name, width, ty):
code = next(self.codes)
self.out.write("$var wire {width} {code} {name} $end\n"
.format(name=name, code=code, width=width))
return VCDChannel(self.out, code)
@contextmanager
def scope(self, name):
self.out.write("$scope module {} $end\n".format(name))
def scope(self, scope, name):
self.out.write("$scope module {}/{} $end\n".format(scope, name))
yield
self.out.write("$upscope $end\n")
@ -177,11 +190,66 @@ class VCDManager:
self.out.write("#{}\n".format(time))
self.current_time = time
def set_end_time(self, time):
pass
class WaveformManager:
def __init__(self):
self.current_time = 0
self.channels = list()
self.current_scope = ""
self.trace = {"timescale": 1, "stopped_x": None, "logs": dict(), "data": dict()}
def set_timescale_ps(self, timescale):
self.trace["timescale"] = int(timescale)
def get_channel(self, name, width, ty):
if ty == WaveformType.LOG:
data = self.trace["logs"][self.current_scope + name] = list()
else:
data = self.trace["data"][self.current_scope + name] = list()
channel = WaveformChannel(data, self.current_time)
self.channels.append(channel)
return channel
@contextmanager
def scope(self, scope, name):
old_scope = self.current_scope
self.current_scope = scope + "/"
yield
self.current_scope = old_scope
def set_time(self, time):
for channel in self.channels:
channel.set_time(time)
def set_end_time(self, time):
self.trace["stopped_x"] = time
class WaveformChannel:
def __init__(self, data, current_time):
self.data = data
self.current_time = current_time
def set_value(self, value):
self.data.append((self.current_time, value))
def set_value_double(self, x):
self.data.append((self.current_time, x))
def set_time(self, time):
self.current_time = time
def set_log(self, log_message):
self.data.append((self.current_time, log_message))
class TTLHandler:
def __init__(self, vcd_manager, name):
def __init__(self, manager, name):
self.name = name
self.channel_value = vcd_manager.get_channel("ttl/" + name, 1)
self.channel_value = manager.get_channel("ttl/" + name, 1, ty=WaveformType.BIT)
self.last_value = "X"
self.oe = True
@ -206,11 +274,11 @@ class TTLHandler:
class TTLClockGenHandler:
def __init__(self, vcd_manager, name, ref_period):
def __init__(self, manager, name, ref_period):
self.name = name
self.ref_period = ref_period
self.channel_frequency = vcd_manager.get_channel(
"ttl_clkgen/" + name, 64)
self.channel_frequency = manager.get_channel(
"ttl_clkgen/" + name, 64, ty=WaveformType.ANALOG)
def process_message(self, message):
if isinstance(message, OutputMessage):
@ -221,8 +289,8 @@ class TTLClockGenHandler:
class DDSHandler:
def __init__(self, vcd_manager, onehot_sel, sysclk):
self.vcd_manager = vcd_manager
def __init__(self, manager, onehot_sel, sysclk):
self.manager = manager
self.onehot_sel = onehot_sel
self.sysclk = sysclk
@ -231,11 +299,11 @@ class DDSHandler:
def add_dds_channel(self, name, dds_channel_nr):
dds_channel = dict()
with self.vcd_manager.scope("dds/{}".format(name)):
with self.manager.scope("dds", name):
dds_channel["vcd_frequency"] = \
self.vcd_manager.get_channel(name + "/frequency", 64)
self.manager.get_channel(name + "/frequency", 64, ty=WaveformType.ANALOG)
dds_channel["vcd_phase"] = \
self.vcd_manager.get_channel(name + "/phase", 64)
self.manager.get_channel(name + "/phase", 64, ty=WaveformType.ANALOG)
dds_channel["ftw"] = [None, None]
dds_channel["pow"] = None
self.dds_channels[dds_channel_nr] = dds_channel
@ -285,10 +353,10 @@ class DDSHandler:
class WishboneHandler:
def __init__(self, vcd_manager, name, read_bit):
def __init__(self, manager, name, read_bit):
self._reads = []
self._read_bit = read_bit
self.stb = vcd_manager.get_channel("{}/{}".format(name, "stb"), 1)
self.stb = manager.get_channel(name + "/stb", 1, ty=WaveformType.BIT)
def process_message(self, message):
self.stb.set_value("1")
@ -318,16 +386,17 @@ class WishboneHandler:
class SPIMasterHandler(WishboneHandler):
def __init__(self, vcd_manager, name):
def __init__(self, manager, name):
self.channels = {}
with vcd_manager.scope("spi/{}".format(name)):
super().__init__(vcd_manager, name, read_bit=0b100)
self.scope = "spi"
with manager.scope("spi", name):
super().__init__(manager, name, read_bit=0b100)
for reg_name, reg_width in [
("config", 32), ("chip_select", 16),
("write_length", 8), ("read_length", 8),
("write", 32), ("read", 32)]:
self.channels[reg_name] = vcd_manager.get_channel(
"{}/{}".format(name, reg_name), reg_width)
self.channels[reg_name] = manager.get_channel(
"{}/{}".format(name, reg_name), reg_width, ty=WaveformType.VECTOR)
def process_write(self, address, data):
if address == 0:
@ -352,11 +421,12 @@ class SPIMasterHandler(WishboneHandler):
class SPIMaster2Handler(WishboneHandler):
def __init__(self, vcd_manager, name):
def __init__(self, manager, name):
self._reads = []
self.channels = {}
with vcd_manager.scope("spi2/{}".format(name)):
self.stb = vcd_manager.get_channel("{}/{}".format(name, "stb"), 1)
self.scope = "spi2"
with manager.scope("spi2", name):
self.stb = manager.get_channel(name + "/stb", 1, ty=WaveformType.BIT)
for reg_name, reg_width in [
("flags", 8),
("length", 5),
@ -364,8 +434,8 @@ class SPIMaster2Handler(WishboneHandler):
("chip_select", 8),
("write", 32),
("read", 32)]:
self.channels[reg_name] = vcd_manager.get_channel(
"{}/{}".format(name, reg_name), reg_width)
self.channels[reg_name] = manager.get_channel(
"{}/{}".format(name, reg_name), reg_width, ty=WaveformType.VECTOR)
def process_message(self, message):
self.stb.set_value("1")
@ -413,11 +483,12 @@ def _extract_log_chars(data):
class LogHandler:
def __init__(self, vcd_manager, vcd_log_channels):
self.vcd_channels = dict()
for name, maxlength in vcd_log_channels.items():
self.vcd_channels[name] = vcd_manager.get_channel("log/" + name,
maxlength*8)
def __init__(self, manager, log_channels):
self.channels = dict()
for name, maxlength in log_channels.items():
self.channels[name] = manager.get_channel("logs/" + name,
maxlength * 8,
ty=WaveformType.LOG)
self.current_entry = ""
def process_message(self, message):
@ -425,15 +496,12 @@ class LogHandler:
self.current_entry += _extract_log_chars(message.data)
if len(self.current_entry) > 1 and self.current_entry[-1] == "\x1D":
channel_name, log_message = self.current_entry[:-1].split("\x1E", maxsplit=1)
vcd_value = ""
for c in log_message:
vcd_value += "{:08b}".format(ord(c))
self.vcd_channels[channel_name].set_value(vcd_value)
self.channels[channel_name].set_log(log_message)
self.current_entry = ""
def get_vcd_log_channels(log_channel, messages):
vcd_log_channels = dict()
def get_log_channels(log_channel, messages):
log_channels = dict()
log_entry = ""
for message in messages:
if (isinstance(message, OutputMessage)
@ -442,13 +510,13 @@ def get_vcd_log_channels(log_channel, messages):
if len(log_entry) > 1 and log_entry[-1] == "\x1D":
channel_name, log_message = log_entry[:-1].split("\x1E", maxsplit=1)
l = len(log_message)
if channel_name in vcd_log_channels:
if vcd_log_channels[channel_name] < l:
vcd_log_channels[channel_name] = l
if channel_name in log_channels:
if log_channels[channel_name] < l:
log_channels[channel_name] = l
else:
vcd_log_channels[channel_name] = l
log_channels[channel_name] = l
log_entry = ""
return vcd_log_channels
return log_channels
def get_single_device_argument(devices, module, cls, argument):
@ -475,7 +543,7 @@ def get_dds_sysclk(devices):
("AD9914",), "sysclk")
def create_channel_handlers(vcd_manager, devices, ref_period,
def create_channel_handlers(manager, devices, ref_period,
dds_sysclk, dds_onehot_sel):
channel_handlers = dict()
for name, desc in sorted(devices.items(), key=itemgetter(0)):
@ -483,11 +551,11 @@ def create_channel_handlers(vcd_manager, devices, ref_period,
if (desc["module"] == "artiq.coredevice.ttl"
and desc["class"] in {"TTLOut", "TTLInOut"}):
channel = desc["arguments"]["channel"]
channel_handlers[channel] = TTLHandler(vcd_manager, name)
channel_handlers[channel] = TTLHandler(manager, name)
if (desc["module"] == "artiq.coredevice.ttl"
and desc["class"] == "TTLClockGen"):
channel = desc["arguments"]["channel"]
channel_handlers[channel] = TTLClockGenHandler(vcd_manager, name, ref_period)
channel_handlers[channel] = TTLClockGenHandler(manager, name, ref_period)
if (desc["module"] == "artiq.coredevice.ad9914"
and desc["class"] == "AD9914"):
dds_bus_channel = desc["arguments"]["bus_channel"]
@ -495,14 +563,14 @@ def create_channel_handlers(vcd_manager, devices, ref_period,
if dds_bus_channel in channel_handlers:
dds_handler = channel_handlers[dds_bus_channel]
else:
dds_handler = DDSHandler(vcd_manager, dds_onehot_sel, dds_sysclk)
dds_handler = DDSHandler(manager, dds_onehot_sel, dds_sysclk)
channel_handlers[dds_bus_channel] = dds_handler
dds_handler.add_dds_channel(name, dds_channel)
if (desc["module"] == "artiq.coredevice.spi2" and
desc["class"] == "SPIMaster"):
channel = desc["arguments"]["channel"]
channel_handlers[channel] = SPIMaster2Handler(
vcd_manager, name)
manager, name)
return channel_handlers
@ -512,11 +580,21 @@ def get_message_time(message):
def decoded_dump_to_vcd(fileobj, devices, dump, uniform_interval=False):
vcd_manager = VCDManager(fileobj)
decoded_dump_to_target(vcd_manager, devices, dump, uniform_interval)
def decoded_dump_to_waveform_data(devices, dump, uniform_interval=False):
manager = WaveformManager()
decoded_dump_to_target(manager, devices, dump, uniform_interval)
return manager.trace
def decoded_dump_to_target(manager, devices, dump, uniform_interval):
ref_period = get_ref_period(devices)
if ref_period is not None:
if not uniform_interval:
vcd_manager.set_timescale_ps(ref_period*1e12)
manager.set_timescale_ps(ref_period*1e12)
else:
logger.warning("unable to determine core device ref_period")
ref_period = 1e-9 # guess
@ -526,6 +604,8 @@ def decoded_dump_to_vcd(fileobj, devices, dump, uniform_interval=False):
dds_sysclk = 3e9 # guess
if isinstance(dump.messages[-1], StoppedMessage):
m = dump.messages[-1]
end_time = get_message_time(m)
messages = dump.messages[:-1]
else:
logger.warning("StoppedMessage missing")
@ -533,20 +613,20 @@ def decoded_dump_to_vcd(fileobj, devices, dump, uniform_interval=False):
messages = sorted(messages, key=get_message_time)
channel_handlers = create_channel_handlers(
vcd_manager, devices, ref_period,
manager, devices, ref_period,
dds_sysclk, dump.dds_onehot_sel)
vcd_log_channels = get_vcd_log_channels(dump.log_channel, messages)
log_channels = get_log_channels(dump.log_channel, messages)
channel_handlers[dump.log_channel] = LogHandler(
vcd_manager, vcd_log_channels)
manager, log_channels)
if uniform_interval:
# RTIO event timestamp in machine units
timestamp = vcd_manager.get_channel("timestamp", 64)
timestamp = manager.get_channel("timestamp", 64, ty=WaveformType.VECTOR)
# RTIO time interval between this and the next timed event
# in SI seconds
interval = vcd_manager.get_channel("interval", 64)
slack = vcd_manager.get_channel("rtio_slack", 64)
interval = manager.get_channel("interval", 64, ty=WaveformType.ANALOG)
slack = manager.get_channel("rtio_slack", 64, ty=WaveformType.ANALOG)
vcd_manager.set_time(0)
manager.set_time(0)
start_time = 0
for m in messages:
start_time = get_message_time(m)
@ -560,11 +640,11 @@ def decoded_dump_to_vcd(fileobj, devices, dump, uniform_interval=False):
if t >= 0:
if uniform_interval:
interval.set_value_double((t - t0)*ref_period)
vcd_manager.set_time(i)
manager.set_time(i)
timestamp.set_value("{:064b}".format(t))
t0 = t
else:
vcd_manager.set_time(t)
manager.set_time(t)
channel_handlers[message.channel].process_message(message)
if isinstance(message, OutputMessage):
slack.set_value_double(