def test():
color = divoom_image.BMP_BLUE
SYMBOL = "BTCUSDT"
json_url = urllib.urlopen("https://www.binance.com/api/v3/ticker/24hr?symbol="+SYMBOL)
data = json.loads(json_url.read())
if float(data["priceChange"]) < 0:
arrow = u"\u2193"
color = divoom_image.BMP_RED
elif float(data["priceChange"]) == 0:
arrow = u"\u2194"
else:
arrow = u"\u2191"
color = divoom_image.BMP_GREEN
TEXT = arrow+str(int(round(float(data["lastPrice"]))))
img = divoom_image.draw_text_to_image(text=TEXT, color=color, size=(70, 10))
sliced_images = divoom_image.horizontal_slices(img)
# create divoom packages
raw_data_packages = []
# thing.create_off_package() #brightness
for img in sliced_images:
raw_data_packages.append(divoom_image.to_divoom_data(img))
# create BT divoom packages
pkgs = thing.create_animation_packages(raw_data_packages, 1)
for i in range(0, len(pkgs)):
dev.send(pkgs[i])
def draw_text(self, text="HELLO WORLD"):
img = divoom_image.draw_text_to_image(text=text, color=divoom_image.BMP_YELLOW, size=(70, 10))
sliced_images = divoom_image.horizontal_slices(img)
# create divoom packages
raw_data_packages = []
for img in sliced_images:
raw_data_packages.append(divoom_image.to_divoom_data(img))
# create BT divoom packages
pkgs = self.protocol.create_animation_packages(raw_data_packages, 1)
for i in range(0, len(pkgs)):
self.device.send(pkgs[i])
def show_text(self, txt, speed=20, font=None):
"""
Display text & scroll, call is blocking
"""
if (type(txt) is not list) or (len(txt)==0) or (type(txt[0]) is not tuple):
raise Exception("a list of tuple is expected")
im = draw_multiple_to_image(txt, font)
slices = horizontal_slices(im)
for i, s in enumerate(slices):
#s.save("./debug/%s.bmp"%i)
self.set_static_image(build_img(s))
time.sleep(1.0/speed)
def hello_world():
img = divoom_image.draw_text_to_image(text="HELLO WORLD",
color=divoom_image.BMP_YELLOW,
size=(70, 10))
sliced_images = divoom_image.horizontal_slices(img)
# create divoom packages
raw_data_packages = []
for img in sliced_images:
raw_data_packages.append(divoom_image.to_divoom_data(img))
# create BT divoom packages
pkgs = thing.create_animation_packages(raw_data_packages, 1)
for i in range(0, len(pkgs)):
dev.send(pkgs[i])
def show_text2(self, txt, font=None):
"""
Use dynamic_image_message to display scolling text
Cannot go faster than 1fps
"""
if (type(txt) is not list) or (len(txt)==0) or (type(txt[0]) is not tuple):
raise Exception("a list of tuple is expected")
imgs = []
im = divoom_image.draw_multiple_to_image(txt, font)
slices = horizontal_slices(im)
for i, s in enumerate(slices):
# s.save("./debug/%s.bmp"%i)
imgs.append(build_img(s))
print len(imgs)
self.set_dynamic_images(imgs)