diff --git a/stub/01-dds-generator-rp2040-circuitpython.py b/stub/01-dds-generator-rp2040-circuitpython.py
index 2083556..deb8ce5 100644
--- a/stub/01-dds-generator-rp2040-circuitpython.py
+++ b/stub/01-dds-generator-rp2040-circuitpython.py
@@ -194,8 +194,13 @@ def cmd_sweep_parts(a):
     n = max(2, int(parts[2]))
     dwell = max(0.01, int(parts[3]) / 1000.0)
     ratio = (f1 / f0) ** (1.0 / (n - 1))
-    state.update(sweep=True, sweep_f0=f0, sweep_ratio=ratio,
-                 sweep_idx=0, sweep_n=n, sweep_dwell=dwell, sweep_t0=0.0)
+    state["sweep"] = True
+    state["sweep_f0"] = f0
+    state["sweep_ratio"] = ratio
+    state["sweep_idx"] = 0
+    state["sweep_n"] = n
+    state["sweep_dwell"] = dwell
+    state["sweep_t0"] = 0.0
     cmd_f(str(int(round(f0))))
     print("OK SWEEP")
 
@@ -211,7 +216,7 @@ def handle(line, phase):
     line = line.strip()
     if not line:
         return False, phase
-    parts = line.split(maxsplit=1)
+    parts = line.split(None, 1)   # позиционно: sep=None, maxsplit=1 (в CP нет kwargs!)
     cmd = parts[0].upper()
     a = parts[1] if len(parts) > 1 else ""
     if cmd == "F":