rick/LEDMatrix
1
0
Fork 0
mirror of https://github.com/ChuckBuilds/LEDMatrix.git synced 2026-04-10 21:03:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

Stocks (#2)

Browse Source 
* 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>
This commit is contained in:
Chuck
2025-04-11 11:10:50 -05:00
committed by GitHub
parent b4c2fff9a8
commit 3d662baf54
5 changed files with 76 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
config/config.json
View File

@@ -57,7 +57,7 @@
"enabled": true,
"update_interval": 300,
"scroll_speed": 1,
"scroll_delay": 0.0001,
"scroll_delay": 0.001,
"max_headlines_per_symbol": 1,
"headlines_per_rotation": 2
}

9
src/display_controller.py
View File

@@ -113,12 +113,13 @@ class DisplayController:
logger.info(f"Switching display to: {self.current_display} {self.weather_mode if self.current_display == 'weather' else ''}")
self.last_switch = current_time
self.force_clear = True
self.display_manager.clear() # Ensure clean transition
self.display_manager.clear()
# Display current screen
try:
if self.current_display == 'clock' and self.config.get('clock', {}).get('enabled', False):
self.clock.display_time(force_clear=self.force_clear)
time.sleep(self.update_interval)
elif self.current_display == 'weather' and self.config.get('weather', {}).get('enabled', False):
if self.weather_mode == 'current':
self.weather.display_weather(force_clear=self.force_clear)
@@ -126,9 +127,12 @@ class DisplayController:
self.weather.display_hourly_forecast(force_clear=self.force_clear)
else: # daily
self.weather.display_daily_forecast(force_clear=self.force_clear)
time.sleep(self.update_interval)
elif self.current_display == 'stocks' and self.config.get('stocks', {}).get('enabled', False):
self.stocks.display_stocks(force_clear=self.force_clear)
time.sleep(self.update_interval)
elif self.current_display == 'stock_news' and self.config.get('stock_news', {}).get('enabled', False):
# For news, we want to update as fast as possible without delay
self.news.display_news()
except Exception as e:
logger.error(f"Error updating display: {e}")
@@ -138,9 +142,6 @@ class DisplayController:
# Reset force clear flag after use
self.force_clear = False
# Sleep between updates
time.sleep(self.update_interval)
except KeyboardInterrupt:
print("\nDisplay stopped by user")
finally:

19
src/display_manager.py
View File

@@ -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}")

68
src/stock_news_manager.py
View File

@@ -26,6 +26,9 @@ class StockNewsManager:
self.news_data = {}
self.current_news_group = 0 # Track which group of headlines we're showing
self.scroll_position = 0
self.cached_text_image = None # Cache for the text image
self.cached_text = None # Cache for the text string
# Get scroll settings from config with faster defaults
self.scroll_speed = self.stock_news_config.get('scroll_speed', 1)
@@ -205,39 +208,60 @@ class StockNewsManager:
separator = " - " # Visual separator between news items
news_text = separator.join(news_texts)
# Clear the display
self.display_manager.clear()
# Only create new text image if the text has changed
if news_text != self.cached_text:
self.cached_text = news_text
self.cached_text_image = self._create_text_image(news_text)
self.scroll_position = 0 # Reset scroll position for new text
# Calculate text width for scrolling
bbox = self.display_manager.draw.textbbox((0, 0), news_text, font=self.display_manager.small_font)
text_width = bbox[2] - bbox[0]
# Calculate scroll position
if not self.cached_text_image:
return
text_width = self.cached_text_image.width
text_height = self.cached_text_image.height
display_width = self.display_manager.matrix.width
total_width = text_width + display_width
# Update scroll position
self.scroll_position = (self.scroll_position + self.scroll_speed) % total_width
# Draw the text at the current scroll position
self.display_manager.draw_text(
news_text,
x=display_width - self.scroll_position,
y=None, # Center vertically
color=(255, 255, 255),
small_font=True
)
# Update the display
self.display_manager.update_display()
# Calculate the visible portion of the text
visible_width = min(display_width, text_width - self.scroll_position)
if visible_width > 0:
# Create a new blank image for this frame
frame_image = Image.new('RGB', (display_width, text_height), (0, 0, 0))
# Crop and paste in one operation
if self.scroll_position + visible_width <= text_width:
# Normal case - text is still scrolling in
visible_portion = self.cached_text_image.crop((
self.scroll_position, 0,
self.scroll_position + visible_width, text_height
))
frame_image.paste(visible_portion, (0, 0))
else:
# Wrapping case - text is wrapping around
first_part_width = text_width - self.scroll_position
first_part = self.cached_text_image.crop((
self.scroll_position, 0,
text_width, text_height
))
second_part = self.cached_text_image.crop((
0, 0,
visible_width - first_part_width, text_height
))
frame_image.paste(first_part, (0, 0))
frame_image.paste(second_part, (first_part_width, 0))
# Update the display with the new frame
self.display_manager.image = frame_image
self.display_manager.update_display()
# If we've completed a full scroll, move to the next group
if self.scroll_position == 0:
self.current_news_group = (self.current_news_group + 1) % ((total_headlines + headlines_per_rotation - 1) // headlines_per_rotation)
# Small delay to control scroll speed
time.sleep(self.scroll_delay)
# Log frame rate
self._log_frame_rate()

16
test_stock_news_manager.py
View File

@@ -10,6 +10,9 @@ print(f"Current working directory: {os.getcwd()}")
def main():
"""Test the StockNewsManager class directly."""
display_manager = None
try:
# Load configuration
config_manager = ConfigManager()
@@ -27,6 +30,13 @@ def main():
# Initialize display manager
display_manager = DisplayManager(display_config)
# Clear the display and show a test pattern
display_manager.clear()
display_manager.update_display()
time.sleep(1) # Give time to see the test pattern
# Initialize news manager with the loaded config
news_manager = StockNewsManager(config, display_manager)
@@ -43,6 +53,12 @@ def main():
import traceback
traceback.print_exc()
finally:
if display_manager:
# Clear the display before exiting
display_manager.clear()
display_manager.update_display()
display_manager.cleanup()
print("Test completed")
if __name__ == "__main__":