Example One - Blink¶
examples/qwiic_led_stick_ex1_blink.py¶
1# !/usr/bin/env python
2# ---------------------------------------------------------------------------------
3# qwiic_led_stick_ex1_blink.py
4#
5# This example blinks the entire LED stick.
6# --------------------------------------------------------------------------------
7#
8# Written by Priyanka Makin @ SparkFun Electronics, June 2021
9#
10# This python library supports the SpakrFun Electronics qwiic sensor/
11# board ecosystem on a Raspberry Pi (and compatible) board computers.
12#
13# More information on qwiic is at https://www.sparkfun.com/qwiic
14#
15# Do you like this library? Help support SparkFun by buying a board!
16#
17#==================================================================================
18# Copyright (c) 2019 SparkFun Electronics
19#
20# Permission is hereby granted, free of charge, to any person obtaining a copy
21# of this software and associated documentation files (the "Software"), to deal
22# in the Software without restriction, including without limitation the rights
23# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
24# copies of the Software, and to permit persons to whom the Software is
25# furnished to do so, subject to the following conditions:
26#
27# The above copyright notice and this permission notice shall be included in all
28# copies or substantial portions of the Software.
29#
30# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
31# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
32# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
33# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
34# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
35# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36# SOFTWARE.
37#==================================================================================
38# Example 1
39
40from __future__ import print_function
41import qwiic_led_stick
42import time
43import sys
44
45def run_example():
46
47 print("\nSparkFun Qwiic LED Stick Example 1")
48 my_stick = qwiic_led_stick.QwiicLEDStick()
49
50 if my_stick.begin() == False:
51 print("\nThe Qwiic LED Stick isn't connected to the sytsem. Please check your connection", \
52 file=sys.stderr)
53 return
54 print("\nLED Stick ready!")
55
56 my_stick.set_all_LED_brightness(15)
57
58 while True:
59
60 # Turn on all the LEDs to white
61 my_stick.set_all_LED_color(50, 50, 50)
62 time.sleep(1)
63 # Turn off all LEDs
64 my_stick.LED_off()
65 time.sleep(1)
66
67if __name__ == '__main__':
68 try:
69 run_example()
70 except (KeyboardInterrupt, SystemExit) as exErr:
71 print("\nEnding Example 1")
72 sys.exit(0)