def __init__(self, settings):
self.m_bStop = True
self.m_lastInitAttempt = 0
self.m_initRetryInterval = INIT_RETRY_INTERVAL
self.m_used = True
self.lcd = lcd()
self.tnsocket = None
self.m_timeLastSockAction = time.time()
self.m_timeSocketIdleTimeout = 2
self.m_strLineText = [None] * MAX_ROWS
self.m_strLineType = [None] * MAX_ROWS
self.m_bstrLineIcon = [None] * MAX_ROWS
self.m_strDigits = [None] * MAX_BIGDIGITS
self.m_iProgressBarWidth = 0
self.m_iProgressBarLine = -1
self.m_bstrIconName = b"BLOCK_FILLED"
self.m_iBigDigits = int(8) # 12:45:78 / colons count as digit
self.m_iOffset = 1
self.m_bstrSetLineCmds = ""
self.m_cExtraIcons = None
self.m_iColumns = 20 #test
self.m_iRows = 4 #test
# self.m_iColumns = int(settings.getColumns())
# self.m_iRows = int(lcdinfo.getRows())
LcdBase.__init__(self, settings)
def lcdControlProc(lcd_child_conn):
p = current_process()
logger = logging.getLogger("ispresso").getChild("lcdControlProc")
logger.info('Starting:' + p.name + ":" + str(p.pid))
lcd = lcddriver.lcd()
last_line1 = ""
last_line2 = ""
while (True):
time.sleep(0.25)
while lcd_child_conn.poll():
try:
line1, line2, duration = lcd_child_conn.recv()
if line1 is not None:
if last_line1 != line1:
lcd.lcd_display_string(line1.ljust(16), 1)
last_line1 = line1
time.sleep(duration)
if line2 is not None:
if last_line2 != line2:
lcd.lcd_display_string(line2.ljust(16), 2)
last_line2 = line2
time.sleep(duration)
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
logger.error(''.join('!! ' + line
for line in traceback.format_exception(
exc_type, exc_value, exc_traceback)))
subprocess.call(['i2cdetect', '-y', '1'])
try:
lcd = None
time.sleep(0.1)
lcd = lcddriver.lcd()
time.sleep(0.1)
except:
logger.error(
"Trying to re-initialize the LCD by nulling it out and re-instantiating. Couldln't pull it off :("
)
continue
def lcdControlProc(lcd_child_conn):
p = current_process()
logger = logging.getLogger("ispresso").getChild("lcdControlProc")
logger.info("Starting:" + p.name + ":" + str(p.pid))
lcd = lcddriver.lcd()
while True:
time.sleep(0.25)
while lcd_child_conn.poll():
try:
line1, line2, duration = lcd_child_conn.recv()
if line1 is not None:
lcd.lcd_display_string(line1.ljust(16), 1)
time.sleep(duration)
if line2 is not None:
lcd.lcd_display_string(line2.ljust(16), 2)
time.sleep(duration)
except:
lcd.lcd_clear()
exc_type, exc_value, exc_traceback = sys.exc_info()
logger.error(
"".join("!! " + line for line in traceback.format_exception(exc_type, exc_value, exc_traceback))
)
def printTime():
display.lcd_clear()
PrintTime()
def printLocation():
display.lcd_clear()
PrintLocation()
def printStatus():
display.lcd_clear()
PrintServerStatus()
display = lcddriver.lcd()
try:
kp = keypad(columnCount=3)
while True:
print("writing to LCD display")
digit = None
while digit == None:
digit = kp.getKey()
print(digit)
if (digit == 1):
printStatus()
elif (digit == 2):
printLocation()
elif (digit == 6):
#!/usr/bin/env python
import time
from lcd import lcddriver
from i2clibraries import i2c_lcd_smbus
lcd1 = lcddriver.lcd()
lcd2 = i2c_lcd_smbus.i2c_lcd(0x3F, 1, 2, 1, 0, 4, 5, 6, 7, 3)
lcd2.command(lcd2.CMD_Display_Control | lcd2.OPT_Enable_Display)
lcd2.backLightOn()
def writeLcd1(message):
lcd1.lcd_display_string(str(message), (message % 2) + 1)
def writeLcd2(message):
lcd2.setPosition((message % 2) + 1, 0)
lcd2.writeString(str(message))
if __name__ == "__main__":
for count in [10 ** 2, 10 ** 3]:
_start = time.time()
for ii in xrange(0, count):
#!/usr/bin/env python
# loading the class
from lcd import lcddriver
import random
import time
import sys
# lcd start
lcd = lcddriver.lcd()
# this command clears the display (captain obvious)
lcd.lcd_clear()
#open quotes file.
file = open("./quotes.txt","r")
lines = file.readlines()
def loadLCD(content):
lcd_rows = 4
current_row = 1
max_row_length = 19
line_text = ''
word_arr = content.split()
for word in word_arr:
if len(word) + len(line_text) < 20:
if line_text != '':
line_text += ' '
line_text += word
#!/usr/bin/python
from lcd import lcddriver
import time
lcd = lcddriver.lcd()
lcd.lcd_display_string("HI THERE", 1)
time.sleep(5) # sleep 5 seconds
lcd.lcd_clear()
lcd = None
def __init__(self):
self.display = lcd()
#!/usr/bin/env python
import time
from lcd import lcddriver
from i2clibraries import i2c_lcd_smbus
lcd1 = lcddriver.lcd()
lcd2 = i2c_lcd_smbus.i2c_lcd(0x3f, 1, 2, 1, 0, 4, 5, 6, 7, 3)
lcd2.command(lcd2.CMD_Display_Control | lcd2.OPT_Enable_Display)
lcd2.backLightOn()
def writeLcd1(message):
lcd1.lcd_display_string(str(message), (message % 2) + 1)
def writeLcd2(message):
lcd2.setPosition((message % 2) + 1, 0)
lcd2.writeString(str(message))
if __name__ == '__main__':
for count in [10**2, 10**3]:
_start = time.time()
for ii in xrange(0, count):
