mirror of
https://github.com/pimoroni/st7735-python.git
synced 2025-01-05 22:40:25 +03:00
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
# Copyright (c) 2014 Adafruit Industries
|
|
# Author: Tony DiCola
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
# THE SOFTWARE.
|
|
import time
|
|
import math
|
|
import sys
|
|
|
|
from PIL import Image
|
|
from PIL import ImageDraw
|
|
import ST7735 as ST7735
|
|
|
|
SPI_SPEED_MHZ = 10 # Higher speed = higher framerate
|
|
|
|
if len(sys.argv) > 1:
|
|
SPI_SPEED_MHZ = int(sys.argv[1])
|
|
|
|
print("""
|
|
framerate.py - Test LCD framerate.
|
|
|
|
If you're using Breakout Garden, plug the 0.96" LCD (SPI)
|
|
breakout into the rear slot.
|
|
|
|
Running at: {}MHz
|
|
""".format(SPI_SPEED_MHZ))
|
|
|
|
# Create ST7735 LCD display class.
|
|
disp = ST7735.ST7735(
|
|
port=0,
|
|
cs=0,
|
|
dc=9,
|
|
backlight=18,
|
|
rotation=90,
|
|
spi_speed_hz=SPI_SPEED_MHZ * 1000000
|
|
)
|
|
|
|
WIDTH = disp.width
|
|
HEIGHT = disp.height
|
|
STEPS = WIDTH * 2
|
|
images = []
|
|
|
|
for step in range(STEPS):
|
|
image = Image.new("RGB", (WIDTH, HEIGHT), (0, 0, 128))
|
|
draw = ImageDraw.Draw(image)
|
|
|
|
if step % 2 == 0:
|
|
draw.rectangle((79, 0, 159, 79), (0, 128, 0))
|
|
else:
|
|
draw.rectangle((0, 0, 79, 79), (0, 128, 0))
|
|
|
|
f = math.sin((float(step) / STEPS) * math.pi)
|
|
offset_left = int(f * WIDTH)
|
|
draw.ellipse((offset_left, 35, offset_left + 10, 45), (255, 0, 0))
|
|
|
|
images.append(image)
|
|
|
|
count = 0
|
|
time_start = time.time()
|
|
|
|
while True:
|
|
disp.display(images[count % len(images)])
|
|
count += 1
|
|
time_current = time.time() - time_start
|
|
if count % 120 == 0:
|
|
print("Time: {:8.3f}, Frames: {:6d}, FPS: {:8.3f}".format(
|
|
time_current,
|
|
count,
|
|
count / time_current))
|