From 2a5174c5d1bbcce59bf15f0820fd40295005d254 Mon Sep 17 00:00:00 2001
From: rsformoso <rsformoso@gmail.com>
Date: Thu, 9 Jul 2026 10:39:35 +0800
Subject: [PATCH] Flush buffer after each command

---
 run_scan.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/run_scan.py b/run_scan.py
index eb93f2b..d2b59d1 100644
--- a/run_scan.py
+++ b/run_scan.py
@@ -116,6 +116,19 @@ def rotate_stand(ser):
     await_completion(ser, "Waiting")
 
 
+def flush_buffer(ser):
+    """
+    Reads all currently stored bytes from the serial port until the buffer is empty.
+
+    Args:
+        ser (serial.Serial): The active serial connection to the Arduino.
+    """
+    while ser.in_waiting > 0:
+        line_bytes = ser.readline().decode("utf-8").strip()
+        line_str = line_bytes.decode("utf-8").strip()
+        print(f"[SERIAL] {line_str}")
+
+
 def await_completion(ser, s):
     """
     Blocks the execution of the script until a specific confirmation
@@ -132,6 +145,7 @@ def await_completion(ser, s):
     while True:
         line_bytes = ser.readline()
         line_str = line_bytes.decode("utf-8").strip()
+        print(f"[SERIAL] {line_str}")
 
         if not line_str:
             raise SerialTimeoutError
@@ -141,6 +155,8 @@ def await_completion(ser, s):
 
         time.sleep(0.1)
 
+    flush_buffer(ser)
+
 
 def main():
     with serial.Serial(ARDUINO_PORT, BAUD_RATE, timeout=TIMEOUT) as ser: