def barcode_displayer(displayed_code: str) -> None:
try:
epd = epd2in9.EPD()
epd.init(epd.lut_full_update)
epd.Clear(0xFF)
ean = barcode.get('code39', displayed_code, writer = barcode.writer.ImageWriter())
image = ean.render()
epd.display(epd.getbuffer(image.resize((epd.height, epd.width))))
time.sleep(1)
except IOError as e:
logging.info(e)
except KeyboardInterrupt:
logging.info("ctrl + c:")
epd2in9.epdconfig.module_exit()
exit()
except Exception as e:
logging.info(str(e))
finally:
epd.Clear(0xFF)
def close_epd(channel):
global loop
loop = False
logging.info("Clear...")
epd = epd2in9.EPD()
epd.init(epd.lut_full_update)
epd.Clear(0xFF)
GPIO.remove_event_detect(channel)
def __init__(self):
# Initialise epd
self.epd = epd2in9.EPD()
self.epd.init(self.epd.lut_full_update)
self.epd.Clear(0XFF)
self.midpoint = (self.epd.height // 2, self.epd.width // 2)
self.font = ImageFont.truetype('Font.ttc', 36)
def __init__(self, queue):
self.queue = queue
self.epd = epd2in9.EPD()
self.epd.init(self.epd.lut_full_update)
self.epd.Clear(0xFF)
self.smol_font = ImageFont.truetype('DejaVuSansMono.ttf', 10)
self.medium_font = ImageFont.truetype('DejaVuSansMono.ttf', 16)
self.large_font = ImageFont.truetype('DejaVuSansMono.ttf', 34)
self.pressures = np.array([])
def updateScreen():
logging.info(">> updating screen")
global current_height
logging.info("collect data")
data = Data()
logging.info("clear screen")
epd = epd2in9.EPD()
MAX_W, MAX_H = epd.width, epd.height
epd.init(epd.lut_full_update)
logging.info("write data to screen")
image = Image.new('1', (epd.width, epd.height), 255)
draw = ImageDraw.Draw(image)
writeInfo(draw, 'Time:', data.time)
writeInfo(draw, 'Uptime:', data.uptime)
writeInfo(draw, 'Online:', data.connectionStatus)
writeInfo(draw, 'IP:', data.ip)
writeInfo(draw, 'Temp:', "{:.2f}C".format(data.temp))
writeInfo(draw, 'Humidity:', "{:.2f}%".format(data.humidity))
writePowerLevels(draw, data.powerLevel1.title, data.powerLevel1.voltage,
data.powerLevel1.power, data.powerLevel1.current,
data.powerLevel1.shunt_voltage)
writePowerLevels(draw, data.powerLevel2.title, data.powerLevel2.voltage,
data.powerLevel2.power, data.powerLevel2.current,
data.powerLevel2.shunt_voltage)
writePowerLevels(draw, data.powerLevel3.title, data.powerLevel3.voltage,
data.powerLevel3.power, data.powerLevel3.current,
data.powerLevel3.shunt_voltage)
image = image.transpose(Image.ROTATE_180)
epd.display(epd.getbuffer(image))
epd.sleep()
current_height = 0
logging.info("<< screen updated")
def showtime():
global loop
loop = True
logging.basicConfig(level=logging.DEBUG)
GPIO.add_event_detect(TouchPin,
GPIO.RISING,
callback=close_epd,
bouncetime=200)
try:
logging.info("epd2in9 Demo")
epd = epd2in9.EPD()
logging.info("init and Clear")
epd.init(epd.lut_full_update)
epd.Clear(0xFF)
font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
epd.init(epd.lut_partial_update)
epd.Clear(0xFF)
# 24h update
time_image = Image.new('1', (epd.height, epd.width), 255)
time_draw = ImageDraw.Draw(time_image)
#paste image
logging.info("4.read bmp file on window")
bmp1 = Image.open(os.path.join(picdir, '789.bmp'))
bmp = Image.open(os.path.join(picdir, '2in13d.bmp'))
bmp.thumbnail((106, 52))
bmp1.thumbnail((130.9, 56.28))
time_image.paste(bmp1, (241, 75))
time_image.paste(bmp, (142, 92))
time_draw.line([(135, epd.height - 10), (epd.height - 10, epd.width)],
fill=0,
width=3)
#date,week,time
time_now = datetime.datetime.now()
date_string = time_now.strftime('%Y-%m-%d')
week_string = [
u'MONDAY', u'TUESDAY', u'WEDNESDAY', u'THUESDAY', u'FRIDAY',
u'SATURDAY', u'SUNDAY'
][time_now.isoweekday() - 1]
time_draw.text((10, 70), date_string, font=font18, fill=0)
time_draw.text((10, 95), week_string, font=font18, fill=0)
#畫直線
time_draw.line([(135, 0), (135, epd.height)], fill=0, width=3)
while loop:
#溫溼度計
temp, hum = getDHTdata()
temp_val = str(temp)
hum_val = str(hum)
time_draw.rectangle((195, 85, 235, 20), fill=255)
time_draw.text((144, 19),
"Temp: " + temp_val + " *C",
font=font18,
fill=0)
time_draw.text((144, 55),
"Hum : " + hum_val + " %",
font=font18,
fill=0)
newimage_1 = time_image.crop([195, 85, 235, 20])
time_image.paste(newimage_1, (144, 19))
num = 0
# partial update
logging.info("5.show time")
while (num < 9 and loop):
time_draw.rectangle((10, 10, 120, 50), fill=0)
time_draw.text((10, 15),
time.strftime('%H:%M:%S'),
font=font24,
fill=255)
newimage_3 = time_image.crop([10, 10, 120, 50])
time_image.paste(newimage_3, (10, 15))
epd.display(epd.getbuffer(time_image))
num = num + 1
logging.info("Clear...")
epd.init(epd.lut_full_update)
epd.Clear(0xFF)
#logging.info("Goto Sleep...")
#epd.sleep()
except IOError as e:
logging.info(e)
except KeyboardInterrupt:
logging.info("ctrl + c:")
epd2in9.epdconfig.module_exit()
exit()
import os
import time
import random
from PIL import Image
dir = '/home/pi/code/e-paper'
import sys
sys.path.append(dir)
from waveshare_epd import epd2in9
path = '/home/pi/code/e-paper/calendar/bmps'
epd = epd2in9.EPD()
epd.init(lut=epd.lut_full_update)
images = os.listdir(path)
images_order = [int(os.path.splitext(img)[0].split("-")[1]) for img in images]
images_ordered = [images[index] for index in images_order]
images_ordered.append(images_ordered[0])
for img in images_ordered[1:]:
print(img)
epd.init(lut=epd.lut_full_update)
time.sleep(1)
epd.reset()
time.sleep(1)
img = Image.open(os.path.join(path, img))
epd.display(epd.getbuffer(img))
time.sleep(60)
def main_func():
#host_file_url = "https://ralph.bakerlab.org/stats/host.gz"
host_file_url = "https://boinc.bakerlab.org/rosetta/stats/host.gz"
print("Downloading")
r = requests.get(host_file_url, stream=True)
with open("/home/pi/download.gz", "wb") as data:
total_length = int(r.headers.get('content-length'))
for chunk in progress.bar(r.iter_content(chunk_size=1024),
expected_size=(total_length / 1024) + 1):
if chunk:
data.write(chunk)
print("Decompressing")
with open('/home/pi/download.xml',
'wb') as f_out, gzip.open('/home/pi/download.gz', 'rb') as f_in:
shutil.copyfileobj(f_in, f_out)
print("Parsing")
arm_count = 0
credit = 0.0
arm_flag = 0
tree = ET.iterparse("/home/pi/download.xml", events=("start", "end"))
is_first = True
for event, elem in tree:
if elem.tag == "total_credit" and event == "end":
tcredit = float(elem.text)
elem.clear()
if elem.tag == "p_vendor" and event == "end" and elem.text == "ARM":
arm_flag = 1
elem.clear()
elif elem.tag == "p_vendor" and event == "end" and elem.text != "ARM":
arm_flag = 0
elem.clear()
if arm_flag == 1 and elem.tag == "os_name" and event == "end" and elem.text != "Android":
arm_count = arm_count + 1
credit = credit + tcredit
print(elem.text)
elem.clear()
if elem.tag == "host" and event == "end":
elem.clear()
if elem.tag == "hosts" and event == "end":
elem.clear()
print("Non Android ARM machine count = %s" % arm_count)
print("Combined Credit = %f" % credit)
logging.basicConfig(level=logging.DEBUG)
try:
logging.info("epd2in9 Demo")
epd = epd2in9.EPD()
logging.info("init and Clear")
epd.init(epd.lut_full_update)
epd.Clear(0xFF)
font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
logging.info("1.Drawing on the Horizontal image...")
Himage = Image.new('1', (epd.height, epd.width),
255) # 255: clear the frame
draw = ImageDraw.Draw(Himage)
draw.text((10, 0), "Linux-Aarch64 Machines:", font=font24, fill=0)
draw.text((10, 20), str(arm_count), font=font24, fill=0)
draw.text((10, 50), "Linux-Aarch64 Credits:", font=font24, fill=0)
draw.text((10, 70), str("%.1f" % credit), font=font24, fill=0)
epd.display(epd.getbuffer(Himage))
except IOError as e:
logging.info(e)