def update_display(self):
ip_addr = ni.ifaddresses('eth0')[ni.AF_INET][0]['addr']
now = time()
if now < self.display_expiry:
im = Image.new('1', (84, 48))
draw = ImageDraw.Draw(im)
draw.text((0, 5), self.latest_raw_val, font=disp_font, fill=1)
draw.text((0, 0), ip_addr, font=disp_font_sm, fill=1)
draw.text((5, 36), "mm to surface", font=disp_font_sm, fill=1)
lcd.show_image(im)
# clean up
del draw
del im
lcd.set_contrast(disp_contrast_on)
else:
lcd.set_contrast(disp_contrast_off)
lcd.cls()
#lcd.init()
# New b-w image
im = Image.new('1', (84,48))
# New drawable on image
draw = ImageDraw.Draw(im)
lcd.cls()
lcd.backlight(0)
rTitle = str(ch[int(recent['channel']['channelId'])][1])
rAddress = str(ch[int(recent['channel']['channelId'])][0])
song = recent['title']
title = recent['artistName']
draw.text((0,-2), rTitle, fill=1, font=font)
draw.text((0,10), rAddress, fill=1, font=font)
draw.text((0,20), song, fill=1, font=font)
draw.text((0,30), title, fill=1, font=font)
# Copy it to the display
lcd.show_image(im)
# clean up
del draw
del im
if isHolding :
lcd.text(" Hold ")
else:
tea.test(ch[int(recent['channel']['channelId'])][0])
GPIO.cleanup()
## Generate an image with PIL and put on the display
# load an available True Type font
font = ImageFont.truetype(
"/usr/share/fonts/truetype/freefont/FreeSansBold.ttf", 14)
# New b-w image
im = Image.new('1', (84, 48))
# New drawable on image
draw = ImageDraw.Draw(im)
# Full screen and half-screen ellipses
draw.ellipse((0, 0, im.size[0] - 1, im.size[1] - 1), outline=1)
draw.ellipse((im.size[0] / 4, im.size[1] / 4, im.size[0] / 4 * 3 - 1,
im.size[1] / 4 * 3 - 1),
outline=1)
# Some simple text for a test (first with TT font, second with default
draw.text((10, 10), "hello", font=font, fill=1)
draw.text((10, 24), "world", fill=1)
# Check what happens when text exceeds width (clipped)
draw.text((0, 0), "ABCabcDEFdefGHIghi", fill=1)
# Copy it to the display
lcd.show_image(im)
# clean up
del draw
del im
time.sleep(10)
except KeyboardInterrupt:
pass
finally:
lcd.cls()
lcd.backlight(OFF)