def compute_time(fb):
gtime = time.ticks_us
tft = pyb.SCREEN()
blit = tft.show
t0 = gtime()
blit(fb)
t1 = gtime()
dt = time.ticks_diff(t1, t0)
return dt
def intro(step):
_bksize = 160 * 128 * 2
tft = pyb.SCREEN()
fbuf = bytearray(_bksize)
fb = framebuf.FrameBuffer(fbuf, 160, 128, framebuf.RGB565)
r = range(0, 6535, step)
blit = tft.show
with open("badapple.dat", "rb") as f:
for nb in r:
f.readinto(fbuf)
blit(fb)
def intro(step=1):
_bksize = 80 * 128
tft = pyb.SCREEN()
fbuf = bytearray(_bksize)
fb = framebuf.FrameBuffer(fbuf, 160, 128, framebuf.PAL16, 160,
framebuf.PAL16_ADAPTIVE_GS)
r = range(0, 6535, step)
blit = tft.show
with open("anim/badapple_PAL16.dat", "rb") as f:
for nb in r:
f.readinto(fbuf)
blit(fb)
def display_gif(filename):
fbuf = bytearray(160 * 128 * 2)
tft = pyb.SCREEN()
fb = framebuf.FrameBuffer(fbuf, 160, 128, framebuf.RGB565, 160)
img = image.Image(fb)
gtime = time.ticks_us
gif = img.loadgif
dt = []
for i in range(0, 20):
t0 = gtime()
gif(filename, None)
t1 = gtime()
dt.append(time.ticks_diff(t1, t0))
tft.show(fb)
avg_dt = (sum(dt) / len(dt)) / 1000
fbuf = None
fb = None
img = None
gc.collect()
return avg_dt
def display_p256_py(filename):
fbuf = bytearray(160 * 128)
tft = pyb.SCREEN()
fb = framebuf.FrameBuffer(fbuf, 160, 128, framebuf.PAL256, 160,
framebuf.PAL256_884)
gtime = time.ticks_us
dt = []
for i in range(0, 20):
t0 = gtime()
with open("images/test.p256", "rb") as f:
f.readinto(fbuf)
t1 = gtime()
dt.append(time.ticks_diff(t1, t0))
tft.show(fb)
avg_dt = (sum(dt) / len(dt)) / 1000
fbuf = None
fb = None
img = None
gc.collect()
return avg_dt
def display(filename, fn, fb_size, fb_mode, fb_pal):
fbuf = bytearray(fb_size)
tft = pyb.SCREEN()
fb = framebuf.FrameBuffer(fbuf, 160, 128, fb_mode, 160, fb_pal)
img = image.Image(fb)
gtime = time.ticks_us
im_call = fn
dt = []
for i in range(0, 20):
t0 = gtime()
im_call(filename)
t1 = gtime()
dt.append(time.ticks_diff(t1, t0))
tft.show(fb)
avg_dt = (sum(dt) / len(dt)) / 1000
fbuf = None
fb = None
img = None
gc.collect()
return avg_dt
def display_p256(filename):
fbuf = bytearray(160 * 128)
tft = pyb.SCREEN()
fb = framebuf.FrameBuffer(fbuf, 160, 128, framebuf.PAL256, 160,
framebuf.PAL256_884)
img = image.Image(fb)
gtime = time.ticks_us
p256 = img.loadp256
dt = []
for i in range(0, 20):
t0 = gtime()
p256(filename)
t1 = gtime()
dt.append(time.ticks_diff(t1, t0))
tft.show(fb)
avg_dt = (sum(dt) / len(dt)) / 1000
fbuf = None
fb = None
img = None
gc.collect()
return avg_dt
# main.py -- put your code here!
import pyb
import framebuf
fbuf = bytearray(160*128*2)
fb = framebuf.FrameBuffer(fbuf, 160, 128, framebuf.RGB565)
tft = pyb.SCREEN()
fb.fill(0)
#fb.text('Hello Micropython!', 10, 50, 2)
tft.show(fb)
fb.loadbmp('nut.bmp')
tft.show(fb)