def left_scroll(from_char, to_char, font = cp437_FONT):
for i in range(8):
time.sleep(0.1)
for col in range(8):
if col + i < 8:
data = font[from_char][col + i]
else:
data = font[to_char][col + i - 8]
send_byte(col + 1, data)
def render():
for col in range(8):
send_byte(col + 1, gfxbuf[col])
import max7219.led as led
import max7219.transitions as tr
import time
from max7219.led import send_byte
led.init()
#led.show_message("X",tr.up_scroll)
while True:
for col in range(8):
send_byte(col+1,0xFF) #0x81
time.sleep(0.2)
for col in range(8):
send_byte(col+1,0x81)
time.sleep(0.2)
def render():
for col in range(8):
send_byte(col + 1, gfxbuf[col])
def up_scroll(from_char, to_char, font = cp437_FONT):
for i in range(7,-1,-1):
time.sleep(0.1)
for col in range(8):
data = (font[from_char][col] >> (8 - i) | font[to_char][col] << i) & 0xFF
send_byte(col + 1, data)