def make_connect(thread_index): global lcd, DoorbellIO cherrypy.thread_data.conn = db.make_connect() lcd = i2c_lcd_smbus.i2c_lcd(0x3f, 1, 2, 1, 0, 4, 5, 6, 7, 3) cherrypy.thread_data.lcd = lcd GPIO.setmode(GPIO.BCM) GPIO.setup(DoorbellIO, GPIO.IN, pull_up_down=GPIO.PUD_UP) GPIO.add_event_detect(DoorbellIO, GPIO.FALLING, callback=TurnOnDisplay, bouncetime=1000) UpdateLCD() TurnOnDisplay(DoorbellIO)
def __init__(self):
# Configuration parameters
# I2C Address, Port, Enable pin, RW pin, RS pin, Data 4 pin, Data 5 pin, Data 6 pin, Data 7 pin, Backlight pin (optional)
logger.info("Starting")
try:
self.lcd = i2c_lcd_smbus.i2c_lcd(0x27,1, 2, 1, 0, 4, 5, 6, 7, 3)
# If you want to disable the cursor, uncomment the following line
self.lcd.command(self.lcd.CMD_Display_Control | self.lcd.OPT_Enable_Display)
self.lcd.backLightOn()
except IOError:
self.lcd = None # communication error with screen; giveup
logger.info("Cant connect to LCD screen")
self.isLighted=True
self.lastDisplayTime=time.time()
self.timer = self.initializeTimer()
self.pos=0
import os
import psutil
def get_temperature():
try:
s = subprocess.check_output(["/opt/vc/bin/vcgencmd", "measure_temp"])
return float(s.split('=')[1][:-3])
except:
return 0
def get_cpu_usage():
try:
return psutil.cpu_percent(interval=.5)
except:
return 0
lcd = i2c_lcd_smbus.i2c_lcd(0x27, 1, 2, 1, 0, 4, 5, 6, 7, 3)
lcd.command(lcd.CMD_Display_Control | lcd.OPT_Enable_Display)
lcd.backLightOn()
while True:
node = "#0"
temperature = str(get_temperature()) + chr(223) + "C"
cpu = str(get_cpu_usage()) + "%"
lcd.setPosition(1, 0)
lcd.writeString(node + " " + temperature + " " + cpu + " ")
time.sleep(2)
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import sys
import time
import binascii
import Adafruit_MPR121.MPR121 as MPR121
from i2clibraries import i2c_lcd_smbus
# Configuration parameters
# I2C Address, Port, Enable pin, RW pin, RS pin, Data 4 pin, Data 5 pin, Data 6 pin, Data 7 pin, Backlight pin (optional)
lcd = i2c_lcd_smbus.i2c_lcd(0x27,1, 2, 1, 0, 4, 5, 6, 7, 3)
# If you want to disable the cursor, uncomment the following line
lcd.command(lcd.CMD_Display_Control | lcd.OPT_Enable_Display)
lcd.backLightOn()
print 'Adafruit MPR121 Capacitive Touch Sensor Test'
# Create MPR121 instance.
cap = MPR121.MPR121()
import serial
def dump(sdev):
a=""
while True:
#!/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
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):
