| from machine import Pin, SPI
import network, ntptime, time
SSID = "Wi-Fiネットワーク名"
PASSWORD = "パスワード"
BLACK = 0x0000
spi = SPI(
0,
baudrate=10000000,
polarity=1,
phase=1,
sck=Pin(18),
mosi=Pin(19),
miso=None
)
dc = Pin(21, Pin.OUT)
rst = Pin(20, Pin.OUT)
cs = Pin(17, Pin.OUT)
# ---- SPI立ち上がり安定化 ----
def spi_warmup():
cs(0); dc(1)
spi.write(b"\x00")
cs(1)
time.sleep_ms(2)
def cmd(c):
cs(0); dc(0)
spi.write(bytearray([c]))
cs(1)
def data(d):
cs(0); dc(1)
spi.write(bytearray([d]))
cs(1)
def reset_display():
rst(0); time.sleep_ms(80)
rst(1); time.sleep_ms(150)
def init():
cmd(0x11); time.sleep_ms(120)
cmd(0x36); data(0xC0)
cmd(0x3A); data(0x55)
cmd(0x21)
cmd(0x29); time.sleep_ms(20)
def init_stable():
spi_warmup()
reset_display()
time.sleep_ms(60)
init()
time.sleep_ms(60)
init()
def window(x0, y0, x1, y1):
cmd(0x2A)
data(x0 >> 8); data(x0 & 255)
data(x1 >> 8); data(x1 & 255)
cmd(0x2B)
data(y0 >> 8); data(y0 & 255)
data(y1 >> 8); data(y1 & 255)
cmd(0x2C)
def fill(color):
window(0, 0, 239, 319)
hi = color >> 8
lo = color & 255
buf = bytearray(512)
for i in range(0, 512, 2):
buf[i] = hi
buf[i+1] = lo
pixels = 240 * 320
cs(0); dc(1)
for _ in range(pixels // 256):
spi.write(buf)
cs(1)
def draw_raw_135x240(filename, x, y):
w = 135
h = 240
window(x, y, x + w - 1, y + h - 1)
cs(0); dc(1)
with open(filename, "rb") as f:
while True:
chunk = f.read(512)
if not chunk:
break
spi.write(chunk)
cs(1)
# ===== Wi-Fi / NTP =====
def connect_wifi():
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.config(pm=0xa11140)
wlan.connect(SSID, PASSWORD)
print("Connecting Wi-Fi...")
while not wlan.isconnected():
time.sleep(0.1)
print("Connected:", wlan.ifconfig())
def sync_time():
ntptime.host = "ntp.nict.jp"
for _ in range(5):
try:
ntptime.settime()
print("NTP synced")
return
except:
time.sleep(1)
print("NTP failed")
JST = 9 * 3600
def get_digits():
t = time.localtime(time.time() + JST)
h, m, s = t[3], t[4], t[5]
return {
"H10": h // 10,
"H1": h % 10,
"M10": m // 10,
"M1": m % 10,
"S10": s // 10,
"S1": s % 10
}
center_x = (240 - 135) // 2
center_y = (320 - 240) // 2 + 36
def show_digit(d):
if d is None:
draw_raw_135x240("digit_blank.raw", center_x, center_y)
else:
draw_raw_135x240(f"digit{d}.raw", center_x, center_y)
sequence = [
("H10", 0.7),
("H1", 0.7),
("BLANK", 0.3),
("M10", 0.7),
("M1", 0.7),
("BLANK", 0.3),
("S10", 0.7),
("S1", 0.7),
("BLANK", 0.8),
]
def main():
print("INIT...")
init_stable()
fill(BLACK)
draw_raw_135x240("digit0.raw", center_x, center_y)
print("INIT DONE")
connect_wifi()
sync_time()
while True:
digits = get_digits()
for kind, dur in sequence:
if kind == "BLANK":
show_digit(None)
else:
show_digit(digits[kind])
time.sleep(dur)
main() |
