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Launcher app script

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This commit is contained in:
Thomas Farstrike
2025-04-20 09:54:34 +02:00
parent 6835024465
commit d5bfc7247a
1 changed files with 38 additions and 15 deletions
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appstore.py
+38 -15
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@@ -2,7 +2,6 @@ import lvgl as lv
from machine import Pin, SPI
import st7789
import lcd_bus
#from micropython import const
import machine
import task_handler
import cst816s
@@ -415,6 +414,8 @@ def execute_script(script_source, is_file, lvgl_obj):
script_globals = {
'lv': lv,
'subwindow': lvgl_obj,
'run_app': run_app,
'app1_script': app1_script
}
if is_file:
print(f"Thread {thread_id}: reading script from file: {script_source}")
@@ -427,14 +428,28 @@ def execute_script(script_source, is_file, lvgl_obj):
print(f"Thread {thread_id}: error ", e)
def run_app(scriptname,is_file):
# Start the event loop in a background thread
gc.collect()
print("Free memory before loop:", gc.mem_free())
try:
# 168KB maximum at startup but 136KB after loading display, drivers, LVGL gui etc so let's go for 128KB for now, still a lot...
# But then no additional threads can be created. So 32KB seems like a good balance, allowing for 4 threads in apps...
subwindow.clean()
_thread.stack_size(32768)
_thread.start_new_thread(execute_script, (scriptname, False, subwindow))
print("Event loop started in background thread")
except Exception as e:
print("Error starting event loop thread:", e)
# Child script buffer: updates label, adds button and slider
script_buffer = """
app1_script = """
import time
print("Child coroutine: Creating UI")
# Label
label = lv.label(subwindow)
label.set_text("Child: 0")
label.set_style_text_font(lv.font_montserrat_12, 0)
label.align(lv.ALIGN.TOP_MID, 0, 10)
# Button
button = lv.button(subwindow)
@@ -442,7 +457,6 @@ button.set_size(80, 40)
button.align(lv.ALIGN.CENTER, 0, 0)
button_label = lv.label(button)
button_label.set_text("Quit")
button_label.set_style_text_font(lv.font_montserrat_12, 0)
# Slider
slider = lv.slider(subwindow)
slider.set_range(0, 100)
@@ -471,15 +485,24 @@ print("Child coroutine: Exiting")
"""
# Start the event loop in a background thread
gc.collect()
print("Free memory before loop:", gc.mem_free())
try:
# 168KB maximum at startup but 136KB after loading display, drivers, LVGL gui etc so let's go for 128KB for now, still a lot...
# But then no additional threads can be created. So 32KB seems like a good balance, allowing for 4 threads in apps...
_thread.stack_size(32768)
_thread.start_new_thread(execute_script, (script_buffer, False, subwindow))
print("Event loop started in background thread")
except Exception as e:
print("Error starting event loop thread:", e)
launcher_script = """
print("Launcher script running")
# Button
button = lv.button(subwindow)
button.set_size(80, 40)
button.align(lv.ALIGN.LEFT_MID, 0, 0)
button_label = lv.label(button)
button_label.set_text("App1")
# Button callback
def button_cb(e):
print("App1 button clicked")
run_app(app1_script,False)
button.add_event_cb(button_cb, lv.EVENT.CLICKED, None)
print("Launcher script exiting")
"""
#run_app(app1_script,False)
run_app(launcher_script,False)