Stocks (#2)

* Opening Bell

Introducing the Stock Ticker Feature

* Update stock_manager.py

Assume folder exists

* Update stock_manager.py

removing logos to focus on function for now

* Update stock_manager.py

parse yahoo scripts

* Update stock_manager.py

stock query update

* Update stock_manager.py

slow down stock display

* Update display_controller.py

adjust screen flow

* Update stock_manager.py

shipping features

* Update stock_manager.py

stock refresh in the background

* Customize Display timings

customize display timings

* Update stock_manager.py

stock font size change

* Sizing and Spacing

CHanged font sizing on chart and clock spacing

* Update clock.py

Date format changes

* Update stock_manager.py

actually read stocks from config file

* Update stock_manager.py

add config manager

* readme update

readme update and formatting for better flow

* Update .gitignore

rename reference folder

* Update config.json

changed default stocks to test update implementation

* Stock News

Stock news Ticker

* Update config.json

increase scroll speed

* Scroll Performance

Tuning news scrolling performance

* updating scroll direction

orienting scroll direction

* News tuning

removed test files and increased scroll speed

* Create test_news_manager.py

need a test script to call upon

* Update test_news_manager.py

test script tuning

* troubleshooting test script

* Update test_news_manager.py

* Update config.json

scroll speed increases

* Update config.json

scroll tuning

* Update config.json

speeding up

* Update config.json

still making text faster

* Update config.json

Trying to tune scrolling

* Update config.json

testing crazy parameters

* Update test_news_manager.py

remove sleep delay

* scroll tuning

scroll tuning

* scroll logging and debugging

FPS counter and debug messages

* Update config.json

matrix speed tuning

* Update news_manager.py

News separator

* Update news_manager.py

separator character change

* Stock News manager Rename

rename stock news ticker to enable other news in the future

* Update display_controller.py

load config update

* Update stock_manager.py

remove redundant import

* Stock news settings

Stock news has more granular control

* Stock news joins the lineup

Stock News added to the display controller and drawing display instead of image

* Optimize scrolling text performance for news ticker

* Adjust matrix settings to reduce artifacting while maintaining performance

* changed float to integer

* Fix news ticker performance with simplified scrolling mechanism

* Fix stock news scrolling in test environment: - Optimize display manager settings for smooth scrolling - Add proper display initialization and cleanup in test script - Implement timing control to prevent display buffer overflow - Ensure consistent 1ms delay between updates for smooth scrolling

* Optimize stock news scrolling for better performance: - Use pre-rendered text image for efficient scrolling - Implement cropping and pasting for smoother animation - Remove unnecessary display operations and delays

* Optimize stock news display performance: - Cache text image to reduce rendering overhead - Improve frame creation and update logic - Optimize text wrapping for smoother scrolling - Remove unnecessary display clears

* Optimize stock news display in controller: - Remove global sleep delay - Allow news display to run at full speed - Keep slower update rates for other displays

---------

Signed-off-by: Chuck <33324927+ChuckBuilds@users.noreply.github.com>

src/display_manager.py

@@ -36,18 +36,18 @@ class DisplayManager:
         options.parallel = hardware_config.get('parallel', 1)
         options.hardware_mapping = hardware_config.get('hardware_mapping', 'adafruit-hat-pwm')
         
-        # Optimize display settings for chained panels
+        # Balance performance and stability
         options.brightness = 100
-        options.pwm_bits = 11
-        options.pwm_lsb_nanoseconds = 200  # Increased for better stability
+        options.pwm_bits = 10  # Increased from 8 for better color depth
+        options.pwm_lsb_nanoseconds = 150  # Increased for better stability
         options.led_rgb_sequence = 'RGB'
         options.pixel_mapper_config = ''
         options.row_address_type = 0
         options.multiplexing = 0
-        options.disable_hardware_pulsing = False  # Enable hardware pulsing for better sync
+        options.disable_hardware_pulsing = False  # Re-enable hardware pulsing for stability
         options.show_refresh_rate = False
-        options.limit_refresh_rate_hz = 60  # Reduced refresh rate for stability
-        options.gpio_slowdown = 2  # Increased slowdown for better stability
+        options.limit_refresh_rate_hz = 90  # Reduced from 120Hz for better stability
+        options.gpio_slowdown = 2  # Increased for better stability
         
         # Initialize the matrix
         self.matrix = RGBMatrix(options=options)
@@ -94,14 +94,11 @@ class DisplayManager:
             # Copy the current image to the offscreen canvas
             self.offscreen_canvas.SetImage(self.image)
             
-            # Wait for the next vsync before swapping
-            self.matrix.SwapOnVSync(self.offscreen_canvas)
+            # Swap buffers immediately
+            self.matrix.SwapOnVSync(self.offscreen_canvas, False)
             
             # Swap our canvas references
             self.offscreen_canvas, self.current_canvas = self.current_canvas, self.offscreen_canvas
-            
-            # Small delay to ensure stable refresh
-            time.sleep(0.001)
         except Exception as e:
             logger.error(f"Error updating display: {e}")