ChTheo/RFG_stm32_ADC_receiver_GUI
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New tty parser: accepts binary format. Enable arg: --bin

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This commit is contained in:
Theodor Chikin
2026-02-17 18:51:12 +03:00
parent 34d151aef1
commit 8b1d424cbe
5 changed files with 171 additions and 65 deletions
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BIN
calib_envelope.npy
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Binary file not shown.

9
rfg_adc_plotter/gui/matplotlib_backend.py
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@ -89,7 +89,14 @@ def run_matplotlib(args):
q: Queue[SweepPacket] = Queue(maxsize=1000)
stop_event = threading.Event()
reader = SweepReader(args.port, args.baud, q, stop_event, fancy=bool(args.fancy))
reader = SweepReader(
args.port,
args.baud,
q,
stop_event,
fancy=bool(args.fancy),
bin_mode=bool(getattr(args, "bin_mode", False)),
)
reader.start()
max_sweeps = int(max(10, args.max_sweeps))

9
rfg_adc_plotter/gui/pyqtgraph_backend.py
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@ -106,7 +106,14 @@ def run_pyqtgraph(args):
q: Queue[SweepPacket] = Queue(maxsize=1000)
stop_event = threading.Event()
reader = SweepReader(args.port, args.baud, q, stop_event, fancy=bool(args.fancy))
reader = SweepReader(
args.port,
args.baud,
q,
stop_event,
fancy=bool(args.fancy),
bin_mode=bool(getattr(args, "bin_mode", False)),
)
reader.start()
max_sweeps = int(max(10, args.max_sweeps))

120
rfg_adc_plotter/io/sweep_reader.py
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@ -24,6 +24,7 @@ class SweepReader(threading.Thread):
out_queue: "Queue[SweepPacket]",
stop_event: threading.Event,
fancy: bool = False,
bin_mode: bool = False,
):
super().__init__(daemon=True)
self._port_path = port_path
@ -32,11 +33,17 @@ class SweepReader(threading.Thread):
self._stop = stop_event
self._src: Optional[SerialLineSource] = None
self._fancy = bool(fancy)
self._bin_mode = bool(bin_mode)
self._max_width: int = 0
self._sweep_idx: int = 0
self._last_sweep_ts: Optional[float] = None
self._n_valid_hist = deque()
@staticmethod
def _u16_to_i16(v: int) -> int:
"""Преобразование 16-bit слова в знаковое значение."""
return v - 0x10000 if (v & 0x8000) else v
def _finalize_current(self, xs, ys, channels: Optional[set]):
if not xs:
return
@ -135,21 +142,12 @@ class SweepReader(threading.Thread):
except Exception:
pass
def run(self):
xs: list = []
ys: list = []
def _run_ascii_stream(self, chunk_reader: SerialChunkReader):
xs: list[int] = []
ys: list[int] = []
cur_channel: Optional[int] = None
cur_channels: set = set()
cur_channels: set[int] = set()
try:
self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0)
sys.stderr.write(f"[info] Открыл порт {self._port_path} ({self._src._using})\n")
except Exception as e:
sys.stderr.write(f"[error] {e}\n")
return
try:
chunk_reader = SerialChunkReader(self._src)
buf = bytearray()
while not self._stop.is_set():
data = chunk_reader.read_available()
@ -205,11 +203,99 @@ class SweepReader(threading.Thread):
if len(buf) > 1_000_000:
del buf[:-262144]
finally:
try:
self._finalize_current(xs, ys, cur_channels)
except Exception:
pass
def _run_binary_stream(self, chunk_reader: SerialChunkReader):
xs: list[int] = []
ys: list[int] = []
cur_channel: Optional[int] = None
cur_channels: set[int] = set()
waiting_channel = False
waiting_first_point = False
point_word: Optional[int] = None
value_word: Optional[int] = None
buf = bytearray()
while not self._stop.is_set():
data = chunk_reader.read_available()
if data:
buf += data
else:
time.sleep(0.0005)
continue
usable = len(buf) & ~1
if usable == 0:
continue
i = 0
while i < usable:
w = int(buf[i]) | (int(buf[i + 1]) << 8)
i += 2
if waiting_channel:
cur_channel = int(w)
cur_channels.add(cur_channel)
waiting_channel = False
waiting_first_point = True
continue
if w == 0xFFFF:
self._finalize_current(xs, ys, cur_channels)
xs.clear()
ys.clear()
cur_channel = None
cur_channels.clear()
waiting_channel = True
waiting_first_point = False
point_word = None
value_word = None
continue
if point_word is None:
if waiting_first_point and (w == 0x0A0A or w == 0x000A):
continue
point_word = int(w)
waiting_first_point = False
continue
if value_word is None:
value_word = int(w)
continue
is_point_end = (w == 0x000A) or ((w & 0x00FF) == 0x0A) or ((w >> 8) == 0x0A)
if is_point_end:
if cur_channel is not None:
cur_channels.add(cur_channel)
xs.append(point_word)
ys.append(self._u16_to_i16(value_word))
point_word = None
value_word = None
del buf[:usable]
if len(buf) > 1_000_000:
del buf[:-262144]
self._finalize_current(xs, ys, cur_channels)
def run(self):
try:
self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0)
sys.stderr.write(f"[info] Открыл порт {self._port_path} ({self._src._using})\n")
except Exception as e:
sys.stderr.write(f"[error] {e}\n")
return
try:
chunk_reader = SerialChunkReader(self._src)
if self._bin_mode:
self._run_binary_stream(chunk_reader)
else:
self._run_ascii_stream(chunk_reader)
finally:
try:
if self._src is not None:
self._src.close()

6
rfg_adc_plotter/main.py Normal file → Executable file
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@ -77,6 +77,12 @@ def build_parser() -> argparse.ArgumentParser:
default="projector",
help="Тип нормировки: projector (по огибающим в [-1000,+1000]) или simple (raw/calib)",
)
parser.add_argument(
"--bin",
dest="bin_mode",
action="store_true",
help="Бинарный протокол: 16-bit поток, 0xFFFF+канал для старта свипа, точки point,value,'\\n'",
)
return parser