cputest: simplify

internal_filesystem/apps/com.example.cputest/assets/cputest.py

@@ -16,6 +16,7 @@ import os
 import _thread
 
 keeprunning = True
+summary = "Running 3 CPU tests...\n\n"
 
 # Configuration
 TEST_DURATION = 5000  # Duration of each test (ms)
@@ -53,7 +54,6 @@ def stress_test_thread():
     #
     time.sleep_ms(TEST_SPACING)
     print("\nStarting SHA-256 stress test (1KB data)...")
-    global summary
     summary += "Busy loop with SHA-256 (1KB): "
     iterations = 0
     start_time = time.ticks_ms()
@@ -68,10 +68,6 @@ def stress_test_thread():
     summary += "\nAll tests completed."
 
 
-def update_status_cb(timer):
-    status.set_text(summary)
-
-
 def janitor_cb(timer):
     global keeprunning
     if lv.screen_active() != appscreen:
@@ -82,15 +78,11 @@ def janitor_cb(timer):
 
 appscreen = lv.screen_active()
 janitor = lv.timer_create(janitor_cb, 500, None)
-update_status_timer = lv.timer_create(update_status_cb, 200, None)
+update_status_timer = lv.timer_create(lambda timer: status.set_text(summary), 200, None)
 
 status = lv.label(appscreen)
 status.align(lv.ALIGN.TOP_LEFT, 5, 10)
-status.set_style_text_color(lv.color_hex(0xFFFFFF), 0)
-
-summary = "Running 3 CPU tests...\n\n"
 status.set_text(summary)
 
 _thread.stack_size(12*1024)
 _thread.start_new_thread(stress_test_thread, ())
-