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camtest: super stable and simple

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This commit is contained in:
Thomas Farstrike
2025-05-16 10:22:46 +02:00
parent 9eac473884
commit a518909cfe
1 changed files with 21 additions and 24 deletions
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internal_filesystem/apps/com.example.camtest/assets/camtest.py
+21 -24
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@@ -72,7 +72,6 @@ def qrdecode_one():
def close_button_click(e):
print("Close button clicked")
th.remove_event_cb(try_capture)
show_launcher()
@@ -122,8 +121,8 @@ def qr_button_click(e):
else:
stop_qr_decoding()
def try_capture(event, data):
print("capturing camera frame")
def try_capture(event):
#print("capturing camera frame")
global current_cam_buffer, image_dsc, image, use_webcam
try:
if use_webcam:
@@ -235,6 +234,20 @@ def init_cam():
def check_running(timer):
if lv.screen_active() != appscreen:
print("camtest.py lost foreground, cleaning up...")
check_running_timer.delete()
if capture_timer:
capture_timer.delete()
if use_webcam:
webcam.deinit(cam)
elif cam:
cam.deinit()
print("camtest.py cleanup done.")
appscreen = lv.screen_active()
build_ui()
@@ -251,27 +264,11 @@ else:
print(f"camtest.py: webcam exception: {e}")
if cam:
print("Camera initialized, changing UI")
print("Camera initialized, continuing...")
check_running_timer = lv.timer_create(check_running, 500, None)
qr_button.remove_flag(lv.obj.FLAG.HIDDEN)
snap_button.remove_flag(lv.obj.FLAG.HIDDEN)
status_label_cont.add_flag(lv.obj.FLAG.HIDDEN)
import task_handler
th.add_event_cb(try_capture, task_handler.TASK_HANDLER_STARTED)
def check_running(timer):
if lv.screen_active() != appscreen:
print("camtest.py lost foreground, cleaning up...")
check_running_timer.delete()
if cam:
th.remove_event_cb(try_capture)
if use_webcam:
webcam.deinit(cam)
elif cam:
cam.deinit()
print("camtest.py cleanup done.")
check_running_timer = lv.timer_create(check_running, 1000, None)
capture_timer = lv.timer_create(try_capture, 100, None)
else:
print("No camera found, stopping camtest.py")