40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
#!/usr/bin/python
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import time
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import datetime
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from Adafruit_LED_Backpack import SevenSegment
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# ===========================================================================
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# Clock Example
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# ===========================================================================
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segment = SevenSegment.SevenSegment(address=0x70)
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# Initialize the display. Must be called once before using the display.
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segment.begin()
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print "Press CTRL+Z to exit"
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# Continually update the time on a 4 char, 7-segment display
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while(True):
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now = datetime.datetime.now()
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hour = now.hour
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minute = now.minute
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second = now.second
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segment.clear()
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# Set hours
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segment.set_digit(0, int(hour / 10)) # Tens
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segment.set_digit(1, hour % 10) # Ones
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# Set minutes
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segment.set_digit(2, int(minute / 10)) # Tens
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segment.set_digit(3, minute % 10) # Ones
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# Toggle colon
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segment.set_colon(second % 2) # Toggle colon at 1Hz
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# Write the display buffer to the hardware. This must be called to
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# update the actual display LEDs.
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segment.write_display()
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# Wait a quarter second (less than 1 second to prevent colon blinking getting$
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time.sleep(0.25)
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