def main():
while True:
output = ("%s %3.1f%s" % ("ambient", read_sensor(sensors["ambient"]), chr(0xb0) + "C"),
"%s %3.1f%s" % ("basking", read_sensor(sensors["white"]), chr(0xb0) + "C"),
"%s %3.1f%s" % ("in hide", read_sensor(sensors["black"]), chr(0xb0) + "C")
)
t = time.strftime("%H:%M", time.localtime())
gotnet = network_on()
if not gotnet:
t += " (no net)"
for s in output:
lcd.lcd_init()
#print s
time.sleep(0.1) # Give the screen time to wake up
lcd.lcd_string(s)
lcd.lcd_byte(lcd.LCD_LINE_2, lcd.LCD_CMD)
lcd.lcd_string(t)
time.sleep(10)
if not gotnet:
call("/bin/sync") # Write pending data to SD card
call("/usr/bin/sudo /sbin/reboot -f")
# 21/27 is rev1/rev2 board
# LCD_D6 = 21
LCD_D6 = 27
LCD_D7 = 22
GPIO.setmode(GPIO.BCM) # Use BCM GPIO numbers
GPIO.setup(LCD_E, GPIO.OUT) # E
GPIO.setup(LCD_RS, GPIO.OUT) # RS
GPIO.setup(LCD_D4, GPIO.OUT) # DB4
GPIO.setup(LCD_D5, GPIO.OUT) # DB5
GPIO.setup(LCD_D6, GPIO.OUT) # DB6
GPIO.setup(LCD_D7, GPIO.OUT) # DB7
# Initialise display
lcd.lcd_init()
# 28-0000043e37d7 white
# 28-00000457d048 black
# 28-0000048be4e7 ambient
sensors = {"white": "28-0000043e37d7",
"black": "28-00000457d048",
"ambient": "28-0000048be4e7"}
def read_sensor(sensor):
"""Attempt to get temperature readings from compatible sensors."""
tries = 0
while True: