def main():
try:
#model b rev 1.0
bus = seven_segment_i2c.SevenSegmentI2c(0)
#model b rev 2.0
#bus = seven_segment_i2c.SevenSegmentI2c(1)
display = seven_segment_display.SevenSegmentDisplay(bus)
display.clear_display()
enable_colon = False
display_military = False
#store the previous time, so that
#we only update the display when the time
#changes
prev_time = 0
while True:
if display_military:
#24 hour format
h = int(time.strftime("%H", time.localtime()))
else:
#12 hour format
h = int(time.strftime("%I", time.localtime()))
m = time.localtime().tm_min
#time value to write to device
val = h * 100 + m
#make the colon blink every other cycle
enable_colon = not enable_colon
nondigits = []
if enable_colon:
nondigits.append(seven_segment_display.DotEnum.COLON)
display.set_nondigits(nondigits)
if prev_time != val:
display.write_int(val)
#save the current time as previous for the next iteration
#of the loop so we can check if we actually need to update
#the display with the new time
prev_time = val
time.sleep(1)
except IOError as ex:
print ex
import seven_segment_display import seven_segment_i2c bus = seven_segment_i2c.SevenSegmentI2c(1) display = seven_segment_display.SevenSegmentDisplay(bus) display.clear_display() display.set_brightness_level(100) display.clear_display() #display.write_int(99+1) #decimalpt = [0b00000100,0b00100000] #display.set_nondigits(decimalpt)