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remove try/except, check for 'DISPLAY' in dir(board)

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This commit is contained in:
Liz 2024-03-04 10:15:03 -05:00
parent 6965241cbb
commit 2d4f747dad
1 changed files with 21 additions and 27 deletions
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48
CircuitPython_DVI_Hello_World/code.py
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@ -7,7 +7,6 @@ import gc
import math
from random import randint
import time
import supervisor
import displayio
import picodvi
import board
@ -23,35 +22,30 @@ from adafruit_display_shapes.roundrect import RoundRect
from adafruit_display_shapes.triangle import Triangle
from adafruit_display_shapes.line import Line
displayio.release_displays()
# check for DVI Feather with built-in display
if 'DISPLAY' in dir(board):
display = board.DISPLAY
# check for DVI Feather
if 'CKP' in dir(board):
try:
fb = picodvi.Framebuffer(320, 240,
clk_dp=board.CKP, clk_dn=board.CKN,
red_dp=board.D0P, red_dn=board.D0N,
green_dp=board.D1P, green_dn=board.D1N,
blue_dp=board.D2P, blue_dn=board.D2N,
color_depth=8)
except MemoryError as e:
print("Error:\n", str(e))
time.sleep(5)
supervisor.reload()
# check for DVI feather without built-in display
elif 'CKP' in dir(board):
displayio.release_displays()
fb = picodvi.Framebuffer(320, 240,
clk_dp=board.CKP, clk_dn=board.CKN,
red_dp=board.D0P, red_dn=board.D0N,
green_dp=board.D1P, green_dn=board.D1N,
blue_dp=board.D2P, blue_dn=board.D2N,
color_depth=8)
display = framebufferio.FramebufferDisplay(fb)
# otherwise assume Pico
else:
try:
fb = picodvi.Framebuffer(320, 240,
clk_dp=board.GP12, clk_dn=board.GP13,
red_dp=board.GP10, red_dn=board.GP11,
green_dp=board.GP8, green_dn=board.GP9,
blue_dp=board.GP6, blue_dn=board.GP7,
color_depth=8)
except MemoryError as e:
print("Error:\n", str(e))
time.sleep(5)
supervisor.reload()
display = framebufferio.FramebufferDisplay(fb)
displayio.release_displays()
fb = picodvi.Framebuffer(320, 240,
clk_dp=board.GP12, clk_dn=board.GP13,
red_dp=board.GP10, red_dn=board.GP11,
green_dp=board.GP8, green_dn=board.GP9,
blue_dp=board.GP6, blue_dn=board.GP7,
color_depth=8)
display = framebufferio.FramebufferDisplay(fb)
bitmap = displayio.Bitmap(display.width, display.height, 3)