def render():
rgb.clear()
rgb.background((0, 0, 0))
for x, y in snake:
rgb.pixel((255, 255, 255), (x, y))
rgb.pixel((0, 255, 200), food)
def draw_text():
global l, color
rgb.clear()
if l:
rgb.pixel((0, 150, 0), (REFRESH_RATE, 7)) # green for new data
for i, d in enumerate(l):
rgb.text(d, colors[color][i], (ceil(31 / len(l)) * i, 0))
else:
rgb.text('E Data')
def connect_wifi():
rgb.pixel((255, 255, 0), (31, 0)) # yellow connecting to wifi
if not wifi.status():
wifi.connect()
if wifi.wait():
rgb.pixel((0, 255, 0), (31, 0)) # green for wifi
rgb.framerate(20)
else:
rgb.clear()
rgb.framerate(20)
data, frames = icon_no_wifi
rgb.image(data, (12, 0), (8, 8))
time.sleep(3)
rgb.clear()
machine.reboot()
def disconnect_wifi():
if wifi.status():
wifi.disconnect()
rgb.pixel((255, 0, 0), (31, 0)) # red for no wifi
global action
if pressed:
action = defines.BTN_DOWN
buttons.register(defines.BTN_B, input_B)
buttons.register(defines.BTN_UP, input_up)
buttons.register(defines.BTN_DOWN, input_down)
gc.collect()
while True:
if tick < REFRESH_RATE:
gc.collect()
sleep(0.1)
rgb.pixel((150, 150, 0), (int(round(tick)), 7))
tick += 1
continue
else:
tick = 0
try:
connect_wifi()
print('retrieving result')
result = urequests.get(WEATHER_API_SERVER)
disconnect_wifi()
if result.status_code == 200:
rgb.pixel((0, 255, 0), (31, 7)) # green for new data
try:
print(gc.mem_free())
weather = result.json()
def draw_error(e):
rgb.clear()
rgb.pixel((255, 0, 0), (REFRESH_RATE, 7)) # red for error
rgb.text('E {}'.format(e))
if not wifi.status():
if not uinterface.connect_wifi():
system.reboot()
rgb.text('Hi!')
# main loop
count = REFRESH_RATE - 1 # start fast
while True:
if not wifi.status():
if not uinterface.connect_wifi():
system.reboot()
if count < REFRESH_RATE and stat == old_stat:
gc.collect()
sleep(0.1)
rgb.pixel((150, 150, 0), (count, 7)) # refresh counter
count += 1
continue
else:
count = 0
old_stat = stat
if stat == 0: # generator
try:
r = urequests.post(
"https://dashboard.eventinfra.org/api/datasources/proxy/1/render",
data=
'target=infra.ACT_PWR_1_generator_tot_kva&target=infra.ACT_PWR_2_generator_tot_kva&target=infra.ACT_PWR_3_generator_tot_kva&from=-3min&until=now&format=json&maxDataPoints=768'
)
except:
draw_error('req')
continue