kopia lustrzana https://github.com/russhughes/st7789py_mpy
67 wiersze
1.5 KiB
Python
67 wiersze
1.5 KiB
Python
"""
|
|
ttgo_fonts.py
|
|
|
|
Smoothly scrolls all font characters up the screen on the LILYGO® TTGO
|
|
T-Display. Only works with fonts with heights that are even multiples of
|
|
the screen height, (i.e. 8 or 16 pixels high)
|
|
|
|
"""
|
|
import utime
|
|
import random
|
|
from machine import Pin, SPI
|
|
import st7789py as st7789
|
|
|
|
# choose a font
|
|
|
|
# import vga1_8x8 as font
|
|
# import vga2_8x8 as font
|
|
# import vga1_8x16 as font
|
|
# import vga2_8x16 as font
|
|
# import vga1_16x16 as font
|
|
# import vga1_bold_16x16 as font
|
|
# import vga2_16x16 as font
|
|
import vga2_bold_16x16 as font
|
|
|
|
def main():
|
|
tft = st7789.ST7789(
|
|
SPI(2, baudrate=30000000, polarity=1, phase=1, sck=Pin(18), mosi=Pin(19)),
|
|
135,
|
|
240,
|
|
reset=Pin(23, Pin.OUT),
|
|
cs=Pin(5, Pin.OUT),
|
|
dc=Pin(16, Pin.OUT),
|
|
backlight=Pin(4, Pin.OUT),
|
|
rotation=0)
|
|
|
|
last_line = tft.height - font.HEIGHT
|
|
tfa = 40
|
|
tfb = 40
|
|
tft.vscrdef(tfa, 240, tfb)
|
|
|
|
tft.fill(st7789.BLUE)
|
|
scroll = 0
|
|
character = 0
|
|
while True:
|
|
tft.fill_rect(0,scroll, tft.width, 1, st7789.BLUE)
|
|
|
|
if scroll % font.HEIGHT == 0:
|
|
tft.text(
|
|
font,
|
|
'\\x{:02x}= {:s} '.format(character, chr(character)),
|
|
0,
|
|
(scroll + last_line) % tft.height,
|
|
st7789.WHITE,
|
|
st7789.BLUE)
|
|
|
|
character = character +1 if character < 256 else 0
|
|
|
|
tft.vscsad(scroll+tfa)
|
|
scroll +=1
|
|
|
|
if scroll == tft.height:
|
|
scroll = 0
|
|
|
|
utime.sleep(0.01)
|
|
|
|
main()
|