def main():
device = get_device()
print("Testing basic canvas graphics...")
for _ in range(2):
with canvas(device) as draw:
primitives(device, draw)
time.sleep(5)
print("Testing contrast (dim/bright cycles)...")
for _ in range(5):
for level in range(255, -1, -10):
device.contrast(level)
time.sleep(0.1)
time.sleep(0.5)
for level in range(0, 255, 10):
device.contrast(level)
time.sleep(0.1)
time.sleep(1)
print("Testing display ON/OFF...")
for _ in range(5):
time.sleep(0.5)
device.hide()
time.sleep(0.5)
device.show()
print("Testing clear display...")
time.sleep(2)
device.clear()
print("Testing screen updates...")
time.sleep(2)
for x in range(40):
with canvas(device) as draw:
now = datetime.datetime.now()
draw.text((x, 4), str(now.date()), fill="white")
draw.text((10, 16), str(now.time()), fill="white")
time.sleep(0.1)
def main():
img_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
'images', 'S.png'))
logo = Image.open(img_path).convert("RGBA")
fff = Image.new(logo.mode, logo.size, (255,) * 4)
background = Image.new("RGBA", device.size, "white")
posn = ((device.width - logo.width) // 2, 0)
while True:
for angle in range(0, 360, 1000):
rot = logo.rotate(0, resample=Image.BILINEAR)
img = Image.composite(rot, fff, rot)
background.paste(img, posn)
device.display(background.convert(device.mode))
if __name__ == "__main__":
try:
device = get_device()
main()
except KeyboardInterrupt:
pass
def show(device):
# use custom font
font_path = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'fonts',
'code2000.ttf')) # 导入字体文件
font2 = ImageFont.truetype(font_path, 20) #设置字体类型和字体大小
# 开始输出
with canvas(device) as draw:
# draw.text((x,y),"输出内容",font=字体,fill=颜色)
# 这3行基本占满了128*64的oled屏幕
draw.text((0, 0), "一二三四五", font=font2, fill="white")
draw.text((0, 22), "六七八九十", font=font2, fill="white")
draw.text((0, 44), "Hello World", font=font2, fill="white")
def main():
# 如果不写在循环里，执行完程序就退出了，就看不到内容
while True:
show(device)
time.sleep(5)
if __name__ == "__main__":
try:
device = get_device() # 获取并输出设备信息 demo_opts.get_device()
main()
except KeyboardInterrupt: # ctrl+c退出
pass
(histogramTime[timePlusOne], histogramData[timePlusOne],
histogramTime[htime], histogramData[htime]),
fill="orange")
histogramData.pop(len(histogramTime) - 1)
draw.rectangle((minHistLenght, maxHistHeight, minHistLenght + 27,
maxHistHeight + 13),
fill="black",
outline="white")
draw.text((minHistLenght + 2, maxHistHeight + 2),
"{0:.2f}".format(READ_ADC[0]),
fill="white")
if READ_ADC[0] > peak[0]:
peak.insert(0, READ_ADC[0])
if __name__ == "__main__":
device = get_device(actual_args=["--i2c-address", "0x3D"])
device2 = get_device(actual_args=["--i2c-address", "0x3C"])
histogramData, histogramTime = init_histogram()
liste = [0, 0]
global HIST_VALUES
HIST_VALUES = zeros(128)
while True:
main(device, histogramData, histogramTime, liste)
mainhist(device2)
time.sleep(REFRESH_INTERVAL)
def test_get_device_config_file_missing():
"""
Loading a missing config file throws an error.
"""
with pytest.raises(IOError):
get_device(['-f', 'foo'])
def increase_population():
blue_pilled_population.append(
[randint(0, device.width), 0,
gauss(1.2, 0.6)])
while True:
clock += 1
with regulator:
with canvas(device, dither=True) as draw:
for person in blue_pilled_population:
x, y, speed = person
for rgb in wrd_rgb:
if 0 <= y < device.height:
draw.point((x, y), fill=rgb)
y -= 1
person[1] += speed
if clock % 5 == 0 or clock % 3 == 0:
increase_population()
while len(blue_pilled_population) > max_population:
blue_pilled_population.pop(0)
if __name__ == "__main__":
try:
matrix(get_device())
except KeyboardInterrupt:
pass
def __init__(self):
self.font = make_font("miscfs_.ttf", 12)
self.device = get_device()
self.term = terminal(self.device, self.font)
def __init__(self):
self.device = get_device()
def kill():
device = get_device()
show(device)
