96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
# Standalone MicroPython Voice Animation: Error Alert
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# Exposes run(text="", frames=...) and runs automatically if executed directly.
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import time
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try:
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import board_config
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display = getattr(board_config, 'display_instance', None)
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except Exception:
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board_config = None
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display = None
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def draw_center_text(d, msg, y, w, scale=1, c=1):
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char_w = 8 * scale
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x = max(0, (w - len(msg) * char_w) // 2)
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if hasattr(d, 'text_large') and scale > 1:
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try:
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d.text_large(msg, x, y, scale, c)
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return
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except Exception:
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pass
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d.text(msg, x, y, c)
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def run(text="", frames=100):
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if not display:
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print("board_config.display_instance is not available. Skipping animation.")
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return
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width = getattr(display, 'width', 400)
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height = getattr(display, 'height', 300)
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cx, cy = width // 2, height // 2
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label = text if text else "ERROR OCCURRED"
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frame = 0
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try:
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while True:
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if frames is not None and frames > 0 and frame >= frames:
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break
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display.clear(0)
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# Blink animation state
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# Flashes between standard warning symbol and high-contrast double border
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blink_state = (frame // 4) % 2
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# Base warning triangle dimensions
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ty_top = cy - 40
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ty_bottom = cy + 30
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tx_left = cx - 45
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tx_right = cx + 45
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if blink_state == 0:
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# Draw single bold warning triangle
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display.line(cx, ty_top, tx_left, ty_bottom, 1)
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display.line(cx, ty_top, tx_right, ty_bottom, 1)
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display.line(tx_left, ty_bottom, tx_right, ty_bottom, 1)
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else:
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# Draw double thick warning triangle for "flashing" impact
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display.line(cx, ty_top - 3, tx_left - 4, ty_bottom + 2, 1)
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display.line(cx, ty_top - 3, tx_right + 4, ty_bottom + 2, 1)
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display.line(tx_left - 4, ty_bottom + 2, tx_right + 4, ty_bottom + 2, 1)
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display.line(cx, ty_top, tx_left, ty_bottom, 1)
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display.line(cx, ty_top, tx_right, ty_bottom, 1)
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display.line(tx_left, ty_bottom, tx_right, ty_bottom, 1)
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# Draw Exclamation mark inside the triangle
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# Exclamation bar
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display.fill_rect(cx - 3, cy - 15, 6, 22, 1)
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# Exclamation dot
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display.fill_rect(cx - 3, cy + 13, 6, 6, 1)
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# Draw warning stripes on the left and right edges of the screen
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stripe_y = (frame * 3) % 20
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for sy in range(-20, height + 20, 20):
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# Left stripe
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display.line(5, sy + stripe_y, 15, sy + stripe_y + 10, 1)
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# Right stripe
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display.line(width - 15, sy + stripe_y, width - 5, sy + stripe_y + 10, 1)
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# Draw centered text label at the bottom
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draw_center_text(display, label, height - 30, width, scale=1, c=1)
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display.show()
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frame += 1
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try:
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time.sleep_ms(60)
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except AttributeError:
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time.sleep(0.06)
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except KeyboardInterrupt:
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print("Animation interrupted by user.")
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if __name__ in ('__main__', '__name__'):
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run()
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