def rms_difference(p1, p2): # p1 and p2 are two filenames of picture
img1 = bmp.bmp(p1)
img2 = bmp.bmp(p2)
d1 = img1.reverse_data
d2 = img2.reverse_data
n1 = img1.bi_width
m1 = img1.bi_height
n2 = img2.bi_width
m2 = img2.bi_height
if m1 != m2 or n1 != n2:
print('sizes of pic1 and pic2 are different')
m = min(m1, m2)
n = min(n1, n2)
diff = 0
for i in range(m):
for j in range(n):
diff += abs(d1[i][j][0] - d2[i][j][0])**2
diff += abs(d1[i][j][1] - d2[i][j][1])**2
diff += abs(d1[i][j][2] - d2[i][j][2])**2
rms = (diff / float(m * n))**0.5
return rms
lcd_gfx.drawTrie(42, 2, 21, 23, 63, 23, d, 1)
d.display()
time.sleep(1)
d.clear()
lcd_gfx.drawFillRect(10, 12, 20, 20, d, 1)
d.display()
time.sleep(1)
d.clear()
lcd_gfx.drawCircle(70, 24, 20, d, 1)
d.display()
time.sleep(1)
d.clear()
bmp.bmp('icon.bmp', d)
d.display()
time.sleep(5)
d.clear()
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.p_string('HHHHHHHHHHHAHHHHHHHHH')
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.p_string('HHHHHHHHHHHHHHHHHHHHH')
d.display()
time.sleep(5)
import time
import lcd_gfx
from bmp import bmp
import machine
import ST7735
spi = machine.SPI(2, baudrate=8000000, polarity=0, phase=0)
d = ST7735.ST7735(spi, rst='Y4', ce='Y5', dc='Y3')
d.reset()
d.begin()
d._bground = 0xffff
d.fill_screen(d._bground)
d.set_rotation(0)
bmp('flower64x48.bmp', d, 10, 10, 1)
d.set_rotation(1)
bmp('flower64x48.bmp', d, 10, 10, 1)
d.set_rotation(2)
bmp('flower64x48.bmp', d, 10, 10, 1)
d.set_rotation(3)
bmp('flower64x48.bmp', d, 10, 10, 1)
d._color = 0
d.set_rotation(0)
d.p_string(10, 10, 'Hello World')
d._color = 0xf800 #红色