import st7036
ROWS = 3
COLS = 16
lcd = st7036.st7036(register_select_pin=25, reset_pin=12)
lcd.clear()
def write(value):
"""Write a string to the current cursor position.
Args:
value (string): The string to write
"""
lcd.write(value)
def clear():
"""Clears the display and resets the cursor."""
lcd.clear()
def set_contrast(contrast):
"""Sets the display contrast.
Args:
contrast (int): contrast value
Raises:
TypeError: if contrast is not an int
ValueError: if contrast is not in the range 0..0x3F
from sys import exit
try:
import st7036
except ImportError:
exit(
"This library requires the st7036 module\nInstall with: sudo pip install st7036"
)
ROWS = 3
COLS = 16
lcd = st7036.st7036(register_select_pin=25)
lcd.clear()
def write(value):
"""Write a string to the current cursor position.
Args:
value (string): The string to write
"""
lcd.write(value)
def clear():
"""Clears the display and resets the cursor."""
lcd.clear()
def set_contrast(contrast):
import st7036
ROWS = 3
COLS = 16
lcd = st7036.st7036(register_select_pin=25)
lcd.clear()
def write(value):
"""Write a string to the current cursor position.
Args:
value (string): The string to write
"""
lcd.write(value)
def clear():
"""Clears the display and resets the cursor."""
lcd.clear()
def set_contrast(contrast):
"""Sets the display contrast.
Args:
contrast (int): contrast value
Raises:
TypeError: if contrast is not an int
ValueError: if contrast is not in the range 0..0x3F
"""
lcd.set_contrast(contrast)
camera.capture(IMG_PATH_ORIGINAL + ".tmp.jpg")
os.rename(IMG_PATH_ORIGINAL + ".tmp.jpg", IMG_PATH_ORIGINAL)
print("Trying to parse license plate...")
parseLicensePlate(IMG_PATH_ORIGINAL)
cv2.destroyAllWindows()
alpr.unload()
##### MAIN ENTRY
print("Started license plate recognition script")
lcd = st7036.st7036(register_select_pin=22,
rows=1,
columns=8,
spi_chip_select=0)
lcd.set_display_mode()
lcd.set_contrast(40)
lcd.clear()
time.sleep(1)
try:
_thread.start_new_thread(start_license_plate, ())
_thread.start_new_thread(start_webserver, ())
except:
print("Error: Could not start threads!")
while True:
time.sleep(50)
pass
