General • badger 2040 usb serial data?

Code:

import badger2040import sysimport time# Initialize the Badger 2040badger = badger2040.Badger2040()# Expected image size (296x128 pixels, 1-bit, 4736 bytes)IMAGE_SIZE = 4736# Function to display an image from bytesdef display_image(image_data):    try:        print("Attempting to display image...")        badger.clear()        badger.set_image(image_data)        badger.update()        print("Display updated successfully")    except Exception as e:        print("Error displaying image:", e)        badger.set_pen(15)  # White background        badger.clear()        badger.set_pen(0)  # Black text        badger.text("Error displaying image!", 10, 60, 1)        badger.update()# Function to display waiting messagedef display_waiting():    badger.set_pen(15)  # White background    badger.clear()    badger.set_pen(0)  # Black text    badger.text("Waiting for image", 10, 60, 1)    badger.update()# Flush serial buffer to clear stray datadef flush_serial():    try:        while sys.stdin.buffer.read(1):            pass  # Read and discard any available bytes    except:        pass# Main loopwhile True:    # Display waiting message    display_waiting()        # Flush serial buffer to avoid stray data    flush_serial()        # Buffer to store incoming image data    image_data = bytearray()        # Read data from USB serial with timeout    start_time = time.ticks_ms()    print("Waiting for serial data...")    while len(image_data) < IMAGE_SIZE:        try:            char = sys.stdin.buffer.read(1)            if char:                image_data.append(char[0])                print(f"Received {len(image_data)}/{IMAGE_SIZE} bytes")            else:                time.sleep(0.01)  # Brief delay if no data        except KeyboardInterrupt:            print("Interrupted by user")            break        except Exception as e:            print("Serial read error:", e)            break                # Timeout after 10 seconds (10000 ms)        if time.ticks_ms() - start_time > 10000:            print("Timeout waiting for serial data")            break        # Check if we received a complete image    if len(image_data) == IMAGE_SIZE:        print("Full image received, displaying...")        display_image(image_data)        time.sleep(2)  # Wait for display to settle    else:        print(f"Incomplete image: {len(image_data)} bytes received")        badger.set_pen(15)        badger.clear()        badger.set_pen(0)        badger.text("Incomplete image!", 10, 60, 1)        badger.update()        # Delay to prevent CPU overload    time.sleep(0.1)

Code:

import serialimport time# serial port (e.g., 'COM3' on Windows, '/dev/ttyACM0' on Linux)port = '/dev/ttyACM0'ser = serial.Serial(port, 115200, timeout=1)# Load a 1-bit image (must be exactly 4736 bytes)with open('image.raw', 'rb') as f:    image_data = f.read()    if len(image_data) != 4736:        print(f"Error: Image is {len(image_data)} bytes, expected 4736")        ser.close()        exit(1)# Send the image data in chunks to avoid buffer overrunsprint("Sending image...")chunk_size = 128  # Send 128 bytes at a timefor i in range(0, len(image_data), chunk_size):    ser.write(image_data[i:i + chunk_size])    ser.flush()  # Ensure data is sent    time.sleep(0.05)  # Small delay to avoid overwhelming receiver    print(f"Sent {i + chunk_size}/{len(image_data)} bytes")print("Image sent")time.sleep(2)  # Wait for receiver to processser.close()