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2025-03-21 16:04:17 +01:00 · 2025-03-21 16:04:17 +01:00 · a5a0434432
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--- a/Software/Python/grove_chainable_rgb_led/individual_led_control.py
+++ b/Software/Python/grove_chainable_rgb_led/individual_led_control.py
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+#!/usr/bin/env python
+#
+# GrovePi Example for using the Grove Chainable RGB LED (http://www.seeedstudio.com/wiki/Grove_-_Chainable_RGB_LED)
+#
+# The GrovePi connects the Raspberry Pi and Grove sensors.  You can learn more about GrovePi here:  http://www.dexterindustries.com/GrovePi
+#
+# Have a question about this example?  Ask on the forums here:  http://www.dexterindustries.com/forum/?forum=grovepi
+#
+'''
+## License
+
+The MIT License (MIT)
+
+GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
+Copyright (C) 2017  Dexter Industries
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+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 time
+import grovepi
+
+# Connect first LED in Chainable RGB LED chain to digital port D7
+# In: CI,DI,VCC,GND
+# Out: CO,DO,VCC,GND
+pin = 7
+
+# I have 10 LEDs connected in series with the first connected to the GrovePi and the last not connected
+# First LED input socket connected to GrovePi, output socket connected to second LED input and so on
+numleds = 4     #If you only plug 1 LED, change 10 to 1
+
+grovepi.pinMode(pin,"OUTPUT")
+time.sleep(1)
+
+# Chainable RGB LED methods
+# grovepi.storeColor(red, green, blue)
+# grovepi.chainableRgbLed_init(pin, numLeds)
+# grovepi.chainableRgbLed_test(pin, numLeds, testColor)
+# grovepi.chainableRgbLed_pattern(pin, pattern, whichLed)
+# grovepi.chainableRgbLed_modulo(pin, offset, divisor)
+# grovepi.chainableRgbLed_setLevel(pin, level, reverse)
+
+# test colors used in grovepi.chainableRgbLed_test()
+testColorBlack = 0   # 0b000 #000000
+testColorBlue = 1    # 0b001 #0000FF
+testColorGreen = 2   # 0b010 #00FF00
+testColorCyan = 3    # 0b011 #00FFFF
+testColorRed = 4     # 0b100 #FF0000
+testColorMagenta = 5 # 0b101 #FF00FF
+testColorYellow = 6  # 0b110 #FFFF00
+testColorWhite = 7   # 0b111 #FFFFFF
+
+# patterns used in grovepi.chainableRgbLed_pattern()
+thisLedOnly = 0
+allLedsExceptThis = 1
+thisLedAndInwards = 2
+thisLedAndOutwards = 3
+
+sleep_time=0.5
+
+#Turns off the led specified by led_num
+def turn_off_led(led_num):
+    grovepi.storeColor(0,0,0)
+    time.sleep(.1)
+    grovepi.chainableRgbLed_pattern(pin, thisLedOnly, led_num)
+    time.sleep(.1)
+  
+#Turns on the led specified by led_num to color set by r,g,b
+def turn_on_led(led_num,r,g,b):
+    grovepi.storeColor(r,g,b)
+    time.sleep(.1)
+    grovepi.chainableRgbLed_pattern(pin, thisLedOnly, led_num)
+    time.sleep(.1)
+    
+try:
+
+    print("Initialise")
+
+    # init chain of leds
+    grovepi.chainableRgbLed_init(pin, numleds)
+    time.sleep(.5)
+    
+    print("1")
+    # turn on led at 0
+    turn_on_led(0,0,255,0)
+    time.sleep(sleep_time)
+
+    # turn on led at 1
+    print("2")
+    turn_off_led(0)
+    turn_on_led(1,0,255,0)
+    time.sleep(sleep_time)
+
+    # turn on led at 2
+    print("3")
+    turn_off_led(1)
+    turn_on_led(2,0,255,0)
+    time.sleep(sleep_time)
+    
+    # turn on led at 3
+    print("4")
+    turn_off_led(2)
+    turn_on_led(3,0,255,0)
+    time.sleep(sleep_time)
+    
+    # turn off all
+    print("Off")
+    grovepi.chainableRgbLed_test(pin, numleds, testColorBlack)
+    time.sleep(sleep_time)
+except KeyboardInterrupt:
+    # reset (all off)
+    grovepi.chainableRgbLed_test(pin, numleds, testColorBlack)
+except IOError:
+    print ("Error")