mirror of
https://github.com/pimoroni/st7735-python.git
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85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
# Copyright (c) 2014 Adafruit Industries
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# Author: Tony DiCola
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import math
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import sys
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import time
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from PIL import Image, ImageDraw
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import ST7735 as ST7735
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SPI_SPEED_MHZ = 10 # Higher speed = higher framerate
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if len(sys.argv) > 1:
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SPI_SPEED_MHZ = int(sys.argv[1])
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print("""
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framerate.py - Test LCD framerate.
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If you're using Breakout Garden, plug the 0.96" LCD (SPI)
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breakout into the rear slot.
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Running at: {}MHz
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""".format(SPI_SPEED_MHZ))
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# Create ST7735 LCD display class.
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disp = ST7735.ST7735(
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port=0,
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cs=ST7735.BG_SPI_CS_FRONT, # BG_SPI_CSB_BACK or BG_SPI_CS_FRONT
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dc=9,
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backlight=19, # 18 for back BG slot, 19 for front BG slot.
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rotation=90,
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spi_speed_hz=SPI_SPEED_MHZ * 1000000
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)
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WIDTH = disp.width
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HEIGHT = disp.height
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STEPS = WIDTH * 2
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images = []
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for step in range(STEPS):
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image = Image.new("RGB", (WIDTH, HEIGHT), (0, 0, 128))
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draw = ImageDraw.Draw(image)
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if step % 2 == 0:
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draw.rectangle((79, 0, 159, 79), (0, 128, 0))
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else:
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draw.rectangle((0, 0, 79, 79), (0, 128, 0))
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f = math.sin((float(step) / STEPS) * math.pi)
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offset_left = int(f * WIDTH)
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draw.ellipse((offset_left, 35, offset_left + 10, 45), (255, 0, 0))
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images.append(image)
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count = 0
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time_start = time.time()
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while True:
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disp.display(images[count % len(images)])
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count += 1
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time_current = time.time() - time_start
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if count % 120 == 0:
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print("Time: {:8.3f}, Frames: {:6d}, FPS: {:8.3f}".format(
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time_current,
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count,
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count / time_current))
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