gonzopi

commit e0670ba502eabcefaa4dd8655a048082757d53e0
parent f82ee7ebc0329c8aa185c3247fd28f9fbd8b7e6a
Author: rbckman <rob@tarina.org>
Date:   Fri,  7 Feb 2025 03:23:16 +0000

not eat all cpu

Diffstat:
M
extras/slidereader.py
 | 
4
+++-
M
gonzopi.py
 | 
2
+-

2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/extras/slidereader.py b/extras/slidereader.py
@@ -1,6 +1,7 @@
 import serial
 import serial.tools.list_ports
 import time
+import select
 
 def list_serial_ports():
     # Get a list of all serial ports
@@ -28,7 +29,8 @@ def listen_serial_port(serial_port):
     # Read data from the serial port
     try:
         while True:
-            if ser.in_waiting > 0:  # Check if there is data waiting to be read
+            ready, _, _ = select.select([ser], [], [], 1)  # 1 second timeout
+            if ready:
                 received_data = ser.readline().decode('utf-8').strip()  # Read a line and decode
                 print(f"Received: {received_data}")
     except KeyboardInterrupt:
diff --git a/gonzopi.py b/gonzopi.py
@@ -2858,7 +2858,7 @@ def slide_menu(slidecommander):
         elif pressed == 'middle' and menu[selected] == 'PAN:':
             send_serial_port(slidecommander,'p'+str(pan))
         elif pressed == 'middle' and menu[selected] == 'START':
-            os.system('pkill slidereader.py')
+            os.system('pkill -9 slidereader.py')
             time.sleep(1)
             slidereader = Popen(['python3', gonzopifolder+'/extras/slidereader.py'])
         elif pressed == 'middle' and menu[selected] == 'TILT:':