def ScreenOutput(TopLine, BottomLine):
wiringpi2.lcdClear(lcdHandle)
wiringpi2.lcdPosition(lcdHandle, lcdCol, lcdRow)
wiringpi2.lcdPrintf(lcdHandle, TopLine)
wiringpi2.lcdPosition(lcdHandle, lcdCol, lcdRow + 1)
wiringpi2.lcdPrintf(lcdHandle, BottomLine)
def lcdloop():
"""LCD display handler"""
while(1):
wiringpi.lcdHome(LCD_HANDLE)
IO.delay(2)
LCD_LOCK.acquire()
try:
lcd_one = LCD_ONE
lcd_two = LCD_TWO
finally:
LCD_LOCK.release()
# Only printable chars, no tabs nor newlines
lcd_one = filter( lambda x: 32 <= ord(x) <= 126, lcd_one)
lcd_two = filter( lambda x: 32 <= ord(x) <= 126, lcd_two)
line_one = lcd_one[0:16]
line_two = lcd_two[0:16]
wiringpi.lcdPosition (LCD_HANDLE, 0, 0)
IO.delay(2)
wiringpi.lcdPuts(LCD_HANDLE, line_one.ljust(16))
IO.delay(2)
wiringpi.lcdPosition (LCD_HANDLE, 0, 1)
IO.delay(2)
wiringpi.lcdPuts(LCD_HANDLE, line_two.ljust(16))
time.sleep(5)
def processSensor(dataIn):
officeData = json.loads(dataIn)
wiringpi.lcdPosition(display, 0, 0)
now = datetime.datetime.now().strftime("%m/%d/%y %I:%M%p")
wiringpi.lcdPuts(display, now)
if 'temperatureF' in officeData:
out = "%2dF" % (officeData['temperatureF'])
wiringpi.lcdPosition(display, 0, 1)
wiringpi.lcdPuts(display, out)
else:
print "Temp missing"
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(officeData)
if 'pressure' in officeData:
out = "%4dMb" % (officeData['pressure'])
wiringpi.lcdPosition(display, 4, 1)
wiringpi.lcdPuts(display, out)
else:
print "Pressure missing"
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(officeData)
if 'lux' in officeData:
wiringpi.lcdPosition(display, 11, 1)
out = "%3dLx" % (officeData['lux'])
wiringpi.lcdPuts(display, out)
else:
print "lux missing"
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(officeData)
def write(self, lcd_one, lcd_two):
"""Write to the display Only printable chars, no tabs nor newlines"""
lcd_one = filter(lambda x: 32 <= ord(x) <= 126, lcd_one)
lcd_two = filter(lambda x: 32 <= ord(x) <= 126, lcd_two)
line_one = lcd_one[0:self.chars]
line_two = lcd_two[0:self.chars]
wiringpi.lcdPosition(self.lcd, 0, 0)
self.io.delay(2)
wiringpi.lcdPuts(self.lcd, line_one.ljust(self.chars))
self.io.delay(2)
wiringpi.lcdPosition(self.lcd, 0, 1)
self.io.delay(2)
wiringpi.lcdPuts(self.lcd, line_two.ljust(self.chars))
def write(self, lcd_one, lcd_two):
"""Write to the display Only printable chars, no tabs nor newlines"""
lcd_one = filter( lambda x: 32 <= ord(x) <= 126, lcd_one)
lcd_two = filter( lambda x: 32 <= ord(x) <= 126, lcd_two)
line_one = lcd_one[0:self.chars]
line_two = lcd_two[0:self.chars]
wiringpi.lcdPosition (self.lcd, 0, 0)
self.io.delay(2)
wiringpi.lcdPuts(self.lcd, line_one.ljust(self.chars))
self.io.delay(2)
wiringpi.lcdPosition (self.lcd, 0, 1)
self.io.delay(2)
wiringpi.lcdPuts(self.lcd, line_two.ljust(self.chars))
def showSensors():
global lcdFD
global datas
while True:
threadLock.acquire()
lst = datas
threadLock.release()
for x in xrange(0, len(lst)):
wiringpi.lcdClear(lcdFD)
data1 = lst[x]
wiringpi.lcdPosition(lcdFD, 0, 0)
wiringpi.lcdPrintf(lcdFD, "%s:" % (data1["name"]))
wiringpi.lcdPosition(lcdFD, 0, 1)
wiringpi.lcdPrintf(lcdFD, "%s%s" % (data1["data"], data1["symbol"]))
time.sleep(5)
def showSensors():
global lcdFD
global datas
while True:
threadLock.acquire()
lst = datas
threadLock.release()
for x in xrange(0, len(lst)):
wiringpi.lcdClear(lcdFD)
data1 = lst[x]
wiringpi.lcdPosition(lcdFD, 0,0)
wiringpi.lcdPrintf(lcdFD,"%s:"%(data1["name"]))
wiringpi.lcdPosition(lcdFD, 0,1)
wiringpi.lcdPrintf(lcdFD,"%s%s"%(data1["data"],data1["symbol"]))
time.sleep(5)
def lcdloop():
"""LCD display handler"""
depeche = 0
while(1):
wiringpi.lcdHome(LCD_HANDLE)
IO.delay(2)
LCD_LOCK.acquire()
try:
key = LCD_ROTATOR.keys()[depeche]
if len(LCD_ROTATOR[key]):
lcd_one = LCD_ROTATOR[key][0]
if len(LCD_ROTATOR[key]) > 1:
lcd_two = LCD_ROTATOR[key][1]
else:
lcd_two = ""
depeche = (depeche + 1) % len(LCD_ROTATOR)
except TypeError:
pass
finally:
LCD_LOCK.release()
# Only printable chars, no tabs nor newlines
lcd_one = filter( lambda x: 32 <= ord(x) <= 126, lcd_one)
lcd_two = filter( lambda x: 32 <= ord(x) <= 126, lcd_two)
line_one = lcd_one[0:16]
line_two = lcd_two[0:16]
wiringpi.lcdPosition (LCD_HANDLE, 0, 0)
IO.delay(2)
wiringpi.lcdPuts(LCD_HANDLE, line_one.ljust(16))
IO.delay(2)
wiringpi.lcdPosition (LCD_HANDLE, 0, 1)
IO.delay(2)
wiringpi.lcdPuts(LCD_HANDLE, line_two.ljust(16))
time.sleep(5)
def printLCD(line0="", line1=""):
wiringpi2.lcdPosition(lcd, 0, 0)
wiringpi2.lcdPrintf(lcd, line0 + BNK)
wiringpi2.lcdPosition(lcd, 0, 1)
wiringpi2.lcdPrintf(lcd, line1 + BNK)
wiringpi.digitalWrite(E, OFF)
wiringpi.digitalWrite(F, OFF)
wiringpi.digitalWrite(G, OFF)
wiringpi.digitalWrite(H, OFF)
wiringpi.digitalWrite(ONE, OFF)
wiringpi.digitalWrite(TWO, OFF)
wiringpi.digitalWrite(THR, OFF)
wiringpi.digitalWrite(FOU, OFF)
wiringpi.digitalWrite(FIV, OFF)
wiringpi.digitalWrite(SIX, OFF)
wiringpi.digitalWrite(SEV, OFF)
wiringpi.digitalWrite(EIG, OFF)
wiringpi.digitalWrite(WHI, OFF)
wiringpi.digitalWrite(BLA, OFF)
# LCD_RS = 83
# LCD_EN = 84
# LCD_D4 = 85
# LCD_D5 = 86
# LCD_D6 = 87
# LCD_D7 = 88
lcd = wiringpi.lcdInit(2, 16, 4, LCD_RS, LCD_EN, LCD_D4, LCD_D5, LCD_D6, LCD_D7, 0, 0, 0, 0)
wiringpi.lcdHome(lcd)
wiringpi.lcdClear(lcd)
wiringpi.lcdPosition(lcd, 0, 0)
wiringpi.lcdPuts(lcd, "oh yeah!")
wiringpi.lcdPosition(lcd, 0, 1)
wiringpi.lcdPuts(lcd, "it works!")
# stop it trashing the CPU
time.sleep(0.1)
elapsed_time = 0
if GPIO.event_detected(buttonPin):
start_time = time.time()
while (GPIO.input(buttonPin)):
time.sleep(0.2)
elapsed_time = time.time() - start_time
if (elapsed_time > shutdown):
logging.info('Shutting down... (Elapsed time: ' + str(elapsed_time)[:4] + ')')
os.system("kill $(pgrep -f RPizeBox.py)")
wp.lcdClear(lcd)
wp.lcdPosition(lcd, 0, 0)
wp.lcdPuts(lcd,shutdownMessage[0][:16])
wp.lcdPosition(lcd, 0, 1)
wp.lcdPuts(lcd,shutdownMessage[1][:16])
os.system("shutdown -h now +1")
break
#ignore knocks but reboot if proper press
if (elapsed_time > accidental and elapsed_time <= shutdown):
logging.info('Rebooting... (Elapsed time: ' + str(elapsed_time)[:4] + ")")
os.system("kill $(pgrep -f RPizeBox.py)")
wp.lcdClear(lcd)
wp.lcdPosition(lcd, 0, 0)
wp.lcdPuts(lcd,rebootMessage[0][:16])
wp.lcdPosition(lcd, 0, 1)
wp.lcdPuts(lcd,rebootMessage[1][:16])
######################### reset/reboot button #########################
# Best used in another script since it takes 30s to initialise
#
os.chdir(os.path.dirname(os.path.realpath(__file__)))
os.system("python buttonWatch.py &")
########################### 16 x 2 display ############################
# set up the 16x2 display - 4 bit to save pins - apparently slower but marginal
# https://projects.drogon.net/raspberry-pi/wiringpi/lcd-library/
wp.wiringPiSetup();
lcd = wp.lcdInit (2, 16, 4, 11,10 , 0,1,2,3,0,0,0,0)
wp.lcdClear(lcd) # clear the lcd
wp.lcdPosition(lcd, 0, 0) # cursor to start of row
################################# LMS ################################
# connect to the LMS
sc = Server(hostname=getExternalIP("eth0"), port=RPizeBox.scPort, username=RPizeBox.scUser, password=RPizeBox.scPassword)
# log in to the LMS server - can't do much until that has happened.
while RPizeBox.loggedin != True:
try:
sc.connect() #throws ugly error if LMS not there
RPizeBox.loggedin = sc.logged_in
logging.debug('Success: Logged in to LMS.')
except:
logging.debug('LMS not there. Trying again in %i seconds.' % RPizeBox.logInWait)
wp.lcdPosition(lcd, 0, 0)
wp.lcdPuts(lcd,welcomeMessage[0][:16])
# stop it trashing the CPU
time.sleep(0.1)
elapsed_time = 0
if GPIO.event_detected(buttonPin):
start_time = time.time()
while (GPIO.input(buttonPin)):
time.sleep(0.2)
elapsed_time = time.time() - start_time
if (elapsed_time > shutdown):
logging.info('Shutting down... (Elapsed time: ' +
str(elapsed_time)[:4] + ')')
os.system("kill $(pgrep -f RPizeBox.py)")
wp.lcdClear(lcd)
wp.lcdPosition(lcd, 0, 0)
wp.lcdPuts(lcd, shutdownMessage[0][:16])
wp.lcdPosition(lcd, 0, 1)
wp.lcdPuts(lcd, shutdownMessage[1][:16])
os.system("shutdown -h now +1")
break
#ignore knocks but reboot if proper press
if (elapsed_time > accidental and elapsed_time <= shutdown):
logging.info('Rebooting... (Elapsed time: ' +
str(elapsed_time)[:4] + ")")
os.system("kill $(pgrep -f RPizeBox.py)")
wp.lcdClear(lcd)
wp.lcdPosition(lcd, 0, 0)
wp.lcdPuts(lcd, rebootMessage[0][:16])
wp.lcdPosition(lcd, 0, 1)
def lcd_update(string, row):
string = string[0:16]
string = string.ljust(16)
wiringpi2.lcdPosition(lcdHandle, lcdCol, lcdRow + row)
wiringpi2.lcdPuts(lcdHandle, string)
def draw_lcd(lcd_line1, lcd_line2):
wiringpi2.lcdClear(lcdHandle)
wiringpi2.lcdPosition(lcdHandle, lcdCol, lcdRow)
wiringpi2.lcdPrintf(lcdHandle, lcd_line1[:LCD_COL])
wiringpi2.lcdPosition(lcdHandle, lcdCol, lcdRow + 1)
wiringpi2.lcdPrintf(lcdHandle, lcd_line2[:LCD_COL])
def printlcd(self):
if conf.lcdput.empty() == True:
strstatus = ['off' for i in range(len(self.valve_ob))]
for r in range(len(self.valve_ob)):
if int(self.valve_ob[r].read('valve')) == 1:
strstatus[r] = 'on '
else:
strstatus[r] = 'off'
stringLCD0 = ''.join(['1-', strstatus[0], ' 2-', strstatus[1]])
stringLCD1 = ''.join(['3-', strstatus[2], ' 4-', strstatus[3]])
stringLCD2 = ''
stringLCD3 = datetime.now().strftime('%H:%M:%S %d-%m')
if (tm.time() - self.timeclear) > 10:
wpi.lcdHome(self.lcd_ob)
tm.sleep(0.005)
wpi.lcdClear(self.lcd_ob)
tm.sleep(0.005)
self.timeclear = tm.time()
# conf.lcd = wpi.lcdInit(
# 4, 16, 4,
# conf.RS, conf.E, conf.DB4, conf.DB5, conf.DB6, conf.DB7,
# 0,0,0,0
# )
# self.lcd_ob = conf.lcd
wpi.lcdPosition(self.lcd_ob, 0, 0)
tm.sleep(0.005)
wpi.lcdPuts(self.lcd_ob, stringLCD0)
tm.sleep(0.005)
wpi.lcdPosition(self.lcd_ob, 0, 1)
tm.sleep(0.005)
wpi.lcdPuts(self.lcd_ob, stringLCD1)
tm.sleep(0.005)
wpi.lcdPosition(self.lcd_ob, -4, 2)
tm.sleep(0.005)
wpi.lcdPuts(self.lcd_ob, stringLCD2)
tm.sleep(0.005)
wpi.lcdPosition(self.lcd_ob, -4, 3)
tm.sleep(0.005)
wpi.lcdPuts(self.lcd_ob, stringLCD3)
tm.sleep(0.005)
elif conf.lcdput.get() == 'restart':
wpi.lcdHome(self.lcd_ob)
tm.sleep(0.005)
wpi.lcdClear(self.lcd_ob)
tm.sleep(0.005)
wpi.lcdPosition(self.lcd_ob, 0, 0)
tm.sleep(0.005)
wpi.lcdPuts(self.lcd_ob, 'RIAVVIO')
tm.sleep(0.005)
wpi.lcdPosition(self.lcd_ob, 0, 1)
while True:
wpi.lcdPuts(self.lcd_ob, '*')
tm.sleep(0.5)
else:
pass