def __init__(self): self.lines = 6 self.line_len = 14 self.empty_line = ' ' self.control = NokiaSPI() self.control.cls()
class NokiaLCD:
def __init__(self):
self.lines = 6
self.line_len = 14
self.empty_line = ' '
self.control = NokiaSPI()
self.control.cls()
def loadImage(self, image_path='/home/lcd-daemon/images/raspi.bmp', line=''):
if os.path.isfile(image_path):
self.control.load_bitmap(image_path, True)
if len(line) > 0:
if line.len() > 14:
raise ValueError('Image message to long')
else:
self.control.text(line)
else:
self.control.cls()
self.control.text('IMG ERROR 404:')
self.control.text(self.empty_line)
self.control.text('The image was ')
self.control.text('not found... ')
self.control.text(self.empty_line)
self.control.text(self.empty_line)
# IOError
raise IOError('Image "' + image_path + '" not found')
def screenMessage(self, message=[], wait=1):
message_lines = len(message)
if message_lines < 1:
raise ValueError('Empty message')
else:
# Message validation
for num_line in range(0,message_lines):
if len(message[num_line]) > self.line_len:
raise ValueError("Line " + str(num_line) + " is too long")
#Message printing
self.control.cls()
count = 1
for line in message:
if count > self.lines:
time.sleep(wait)
self.control.cls()
count = 1
while len(line) < self.line_len:
line += ' '
self.control.text(line)
count = count + 1
def ledLight(self,power=1):
if power > 0:
self.control.led(255)
else:
self.control.led(0)
def ledLightProgressive(self,power=1):
if power > 0:
for i in range(0,255):
self.control.led(i)
time.sleep(0.025)
self.control.led(255)
else:
for i in range(255,0,-1):
self.control.led(i)
time.sleep(0.025)
self.control.led(0)
def clear(self):
self.control.cls()
