# Setup SPI bus using hardware SPI:
spi = board.SPI()
# Create the ST7789 display: adjust x / y offsets depending on rotation and your screen (often by 80)
display = st7789.ST7789(spi,
cs=cs_pin,
dc=dc_pin,
rst=reset_pin,
x_offset=0,
y_offset=0,
rotation=0,
baudrate=BAUDRATE)
# Main loop:
while True:
# Fill the screen red, green, blue, then black:
for color in ((255, 0, 0), (0, 255, 0), (0, 0, 255)):
display.fill(color565(color))
# Clear the display
display.fill(0)
# Draw a red pixel in the center.
display.pixel(display.width // 2, display.height // 2, color565(255, 0, 0))
# Pause 2 seconds.
time.sleep(2)
# Clear the screen a random color
display.fill(
color565(random.randint(0, 255), random.randint(0, 255),
random.randint(0, 255)))
# Pause 2 seconds.
time.sleep(2)
display = st7789.ST7789(board.SPI(),
cs=cs_pin,
dc=dc_pin,
rst=reset_pin,
baudrate=BAUDRATE,
width=135,
height=240,
x_offset=53,
y_offset=40)
backlight = digitalio.DigitalInOut(board.D22)
backlight.switch_to_output()
backlight.value = True
buttonA = digitalio.DigitalInOut(board.D23)
buttonB = digitalio.DigitalInOut(board.D24)
buttonA.switch_to_input()
buttonB.switch_to_input()
# Main loop:
while True:
if buttonA.value and buttonB.value:
backlight.value = False # turn off backlight
else:
backlight.value = True # turn on backlight
if buttonB.value and not buttonA.value: # just button A pressed
display.fill(color565(255, 0, 0)) # red
if buttonA.value and not buttonB.value: # just button B pressed
display.fill(color565(0, 0, 255)) # blue
if not buttonA.value and not buttonB.value: # none pressed
display.fill(color565(0, 255, 0)) # green
# these setup the code for our buttons and the backlight and tell the pi to treat the GPIO pins as digitalIO vs analogIO
backlight = digitalio.DigitalInOut(board.D22)
backlight.switch_to_output()
backlight.value = True
buttonA = digitalio.DigitalInOut(board.D23)
buttonB = digitalio.DigitalInOut(board.D24)
buttonA.switch_to_input()
buttonB.switch_to_input()
# get a color from the user
screenColor = None
while not screenColor:
try:
# get a color from the user and convert it to RGB
screenColor = color565(*list(webcolors.name_to_rgb(input('Type the name of a color and hit enter: '))))
except ValueError:
# catch colors we don't recognize and go again
print("whoops I don't know that one")
# Main loop:
while True:
if buttonA.value and buttonB.value:
backlight.value = False # turn off backlight
else:
backlight.value = True # turn on backlight
if buttonB.value and not buttonA.value: # just button A pressed
display.fill(screenColor) # set the screen to the users color
if buttonA.value and not buttonB.value: # just button B pressed
display.fill(color565(255, 255, 255)) # set the screen to white
if not buttonA.value and not buttonB.value: # none pressed
display.fill(color565(0, 255, 0)) # green
CPU = subprocess.check_output(cmd, shell=True).decode("utf-8")
cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%s MB %.2f%%\", $3,$2,$3*100/$2 }'"
MemUsage = subprocess.check_output(cmd, shell=True).decode("utf-8")
cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%d GB %s\", $3,$2,$5}'"
Disk = subprocess.check_output(cmd, shell=True).decode("utf-8")
cmd = "cat /sys/class/thermal/thermal_zone0/temp | awk \'{printf \"CPU Temp: %.1f C\", $(NF-0) / 1000}\'" # pylint: disable=line-too-long
Temp = subprocess.check_output(cmd, shell=True).decode("utf-8")
# Write four lines of text.
y = top
draw.text((x, y), IP, font=font, fill="#FFFFFF")
y += font.getsize(IP)[1]
draw.text((x, y), CPU, font=font, fill="#FFFF00")
y += font.getsize(CPU)[1]
draw.text((x, y), MemUsage, font=font, fill="#00FF00")
y += font.getsize(MemUsage)[1]
draw.text((x, y), Disk, font=font, fill="#6060FF")
y += font.getsize(Disk)[1]
draw.text((x, y), Temp, font=font, fill="#FF60FF")
y += font.getsize(Temp)[1]
# strDiff = "" + diff
# draw.text( (x, y), strDiff, font=font, fill="#FFFFFF" )
# iDiffX = diff * 200
iDiffX = 200
draw.fill(color565(250, 100, 100))
# Display image.
disp.image(image, rotation)
time.sleep(0.2)
# ----------------------------------------------------------------------
# Test leds (-O flag)
# ----------------------------------------------------------------------
if rpi.OutputDisplay:
if first: print('Test OutputDisplay')
print('a, b, repeat', rpi.buttonA.value, rpi.buttonB.value, repeat)
if rpi.buttonA.value and rpi.buttonB.value:
rpi.backlight.value = False # turn off backlight
repeat -= 1
if repeat == 0: print('break, repeat = 0') # Stop no powerdown
else:
rpi.backlight.value = True # turn on backlight
if rpi.buttonB.value and not rpi.buttonA.value: # just button A pressed
rpi.st7789.fill(color565(255, 0, 0)) # red
if rpi.buttonA.value and not rpi.buttonB.value: # just button B pressed
rpi.st7789.fill(color565(0, 0, 255)) # blue
if not rpi.buttonA.value and not rpi.buttonB.value: # none pressed
rpi.st7789.fill(color565(0, 255, 0)) # green
# ----------------------------------------------------------------------
# Stop for next button press
# ----------------------------------------------------------------------
first = False
time.sleep(.25)
ShutdownIfRequested()
def __enter__(self):
self.display.fill(color565(0, 0, 0))
self.display.init()
self.display.rotation = 180
self.backlight_pin.value = True
return self
cs_pin = digitalio.DigitalInOut(board.CE0)
dc_pin = digitalio.DigitalInOut(board.D25)
reset_pin = None
BAUDRATE = 64000000 # The pi can be very fast!
# Create the ST7789 display:
display = st7789.ST7789(board.SPI(),
cs=cs_pin,
dc=dc_pin,
rst=reset_pin,
baudrate=BAUDRATE,
rotation=90,
width=240,
height=240,
y_offset=80)
display.fill(color565(100, 0, 0))
backlight = digitalio.DigitalInOut(board.D22)
backlight.switch_to_output()
backlight.value = True
buttonA = digitalio.DigitalInOut(board.D23)
buttonB = digitalio.DigitalInOut(board.D24)
buttonA.switch_to_input()
buttonB.switch_to_input()
if display.rotation % 180 == 90:
width = display.height
height = display.width
else:
width = display.width
height = display.height
with open(r'/etc/pizerotimer.yml') as file:
config = yaml.load(file, Loader=yaml.FullLoader)
# date/times in database will be UTC - need this for determining "local"
# start of week.
local_tz = pytz.timezone(config['options']['local_tz'])
# Database Setup
conn = sqlite3.connect(config['options']['database'])
db = conn.cursor()
database_setup()
# Setup screen
(r, g, b) = config['colors']['background_under_threshold'].split(',')
background_under_threshold = color565(int(r), int(g), int(b))
(r, g, b) = config['colors']['background_over_threshold'].split(',')
background_over_threshold = color565(int(r), int(g), int(b))
(r, g, b) = config['colors']['status_bar_color'].split(',')
status_bar_color = color565(int(r), int(g), int(b))
(r, g, b) = config['colors']['status_bar_outline_color'].split(',')
status_bar_outline_color = color565(int(r), int(g), int(b))
(r, g, b) = config['colors']['foreground_color'].split(',')
foreground_color = color565(int(r), int(g), int(b))
(r, g, b) = config['colors']['active_day_color'].split(',')
active_day_color = color565(int(r), int(g), int(b))
(r, g, b) = config['colors']['inactive_day_color'].split(',')
inactive_day_color = color565(int(r), int(g), int(b))
test_color = color565(0, 0, 0)
background_color = background_under_threshold
turn_on_backlight()
