kopia lustrzana https://github.com/pimoroni/pimoroni-pico
65 wiersze
1.5 KiB
Python
65 wiersze
1.5 KiB
Python
import gc
|
|
import time
|
|
from picographics import PicoGraphics, DISPLAY_PICO_DISPLAY, PEN_RGB332
|
|
|
|
# PEN_RGB332 is an 8 bit, fixed 256 colour palette which conserves your RAM.
|
|
# Try switching the pen_type to PEN_RGB565 (16 bit, 65K colour) and see the difference!
|
|
|
|
display = PicoGraphics(DISPLAY_PICO_DISPLAY, pen_type=PEN_RGB332, rotate=0)
|
|
|
|
# set up constants for drawing
|
|
WIDTH, HEIGHT = display.get_bounds()
|
|
|
|
BLACK = display.create_pen(0, 0, 0)
|
|
|
|
|
|
def free(full=False):
|
|
# Calculates RAM usage
|
|
gc.collect()
|
|
F = gc.mem_free()
|
|
A = gc.mem_alloc()
|
|
T = F + A
|
|
P = '{0:.2f}%'.format(F / T * 100)
|
|
if not full:
|
|
return P
|
|
else:
|
|
return (f"Total RAM \n{T} bytes \nUnused RAM \n{F} bytes \n({P} free)")
|
|
|
|
|
|
def hsv_to_rgb(h, s, v):
|
|
# From CPython Lib/colorsys.py
|
|
if s == 0.0:
|
|
return v, v, v
|
|
i = int(h * 6.0)
|
|
f = (h * 6.0) - i
|
|
p = v * (1.0 - s)
|
|
q = v * (1.0 - s * f)
|
|
t = v * (1.0 - s * (1.0 - f))
|
|
i = i % 6
|
|
if i == 0:
|
|
return v, t, p
|
|
if i == 1:
|
|
return q, v, p
|
|
if i == 2:
|
|
return p, v, t
|
|
if i == 3:
|
|
return p, q, v
|
|
if i == 4:
|
|
return t, p, v
|
|
if i == 5:
|
|
return v, p, q
|
|
|
|
|
|
h = 0
|
|
|
|
while True:
|
|
h += 1
|
|
r, g, b = [int(255 * c) for c in hsv_to_rgb(h / 360.0, 1.0, 1.0)] # rainbow magic
|
|
display.set_pen(BLACK)
|
|
RAINBOW = display.create_pen(r, g, b) # Create pen with converted HSV value
|
|
display.set_pen(RAINBOW)
|
|
display.set_font("bitmap8")
|
|
display.text(free(full=True), 0, 0, WIDTH, 3)
|
|
display.update()
|
|
time.sleep(1.0 / 60)
|