From 6ad9df81e6aa9a0df2f1cd4dd697b1c9682f398b Mon Sep 17 00:00:00 2001
From: toros <toros@itphx.loc>
Date: Tue, 8 Sep 2026 23:42:36 +0500
Subject: [PATCH] =?UTF-8?q?fix(core):=20SerialConsole.read=20=D1=83=D1=81?=
 =?UTF-8?q?=D1=82=D0=BE=D0=B9=D1=87=D0=B8=D0=B2=20=D0=BA=20'readiness=20to?=
 =?UTF-8?q?=20read=20but=20no=20data'=20=D0=BD=D0=B0=20RPi/USB-serial?=
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pyserial на Raspberry Pi временами кидает SerialException (readiness but no data)
на простоях порта — читаем как пустоту и продолжаем, а не роняем WS-консоль.
---
 atxpi/core/hardware.py |  7 ++++++-
 atxpi/webui/server.py  | 15 ++++++++++-----
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/atxpi/core/hardware.py b/atxpi/core/hardware.py
index 1ea6a3e..bb6cd41 100644
--- a/atxpi/core/hardware.py
+++ b/atxpi/core/hardware.py
@@ -96,7 +96,12 @@ class SerialConsole(ConsoleBackend):
         if not self._ser:
             raise RuntimeError("консоль не открыта")
         self._ser.timeout = timeout
-        return self._ser.read(4096)
+        try:
+            return self._ser.read(4096)
+        except Exception:
+            # Raspberry Pi + USB-serial: на простоях порт может сообщать
+            # "readiness to read but no data" — это не фатально, читаем дальше.
+            return b""
 
 
 def make_power() -> PowerBackend:
diff --git a/atxpi/webui/server.py b/atxpi/webui/server.py
index efeef39..b45571b 100644
--- a/atxpi/webui/server.py
+++ b/atxpi/webui/server.py
@@ -158,13 +158,18 @@ async def ws_console(ws: WebSocket):
     await ws.send_bytes(("\r\nATXPI console ready. driver=%s\r\n" % DRIVER).encode())
 
     async def reader():
-        try:
-            while True:
+        while True:
+            try:
                 data = await asyncio.to_thread(console.read, 0.25)
-                if data:
+            except Exception as e:
+                log.warning("console.read error: %s", e)
+                break
+            if data:
+                try:
                     await ws.send_bytes(data)
-        except Exception:
-            pass
+                except Exception as e:
+                    log.warning("ws handle_console send error: %s", e)
+                    break
 
     read_task = asyncio.create_task(reader())
     try: