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ledclass-py
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ledclass-py [2015/04/30 08:39] zoza created |
ledclass-py [2015/04/30 08:40] zoza |
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| - | ====== ledcl ====== | + | ====== ledclass.py ====== |
| + | external functions for different LED behaviours | ||
| + | <code python> | ||
| + | import serial, glob | ||
| + | |||
| + | try: | ||
| + | portled = glob.glob("/dev/arduino-leds")[0] # as assigned in udev rules /etc/udev/rules.d ; http://hackaday.com/2009/09/18/how-to-write-udev-rules/ | ||
| + | except IndexError: | ||
| + | portled = glob.glob("/dev/ttyACM0")[0] # fall back to a default first USB port address | ||
| + | print "portled", portled | ||
| + | serled = serial.Serial(portled, 19200, timeout=1) | ||
| + | |||
| + | def clearAll(): | ||
| + | for j in range(4): | ||
| + | message = ("%d,0,0,0")%(j) | ||
| + | serled.write(message+'\n') | ||
| + | |||
| + | def fadeIn(led, color): | ||
| + | for i in range(255)[::15]: | ||
| + | if color == "red": | ||
| + | r = i | ||
| + | g = 0 | ||
| + | b = 0 | ||
| + | elif color == "green": | ||
| + | r = 0 | ||
| + | g = i | ||
| + | b = 0 | ||
| + | message = (str(led)+",%d,%d,%d")%(r,g,b) | ||
| + | serled.write(message+"\n") | ||
| + | |||
| + | def fadeInRed(led): | ||
| + | for i in range(255)[::15]: | ||
| + | message = (str(led)+",%d,0,0")%(i) | ||
| + | serled.write(message+"\n") | ||
| + | |||
| + | def fadeInGreen(led): | ||
| + | for i in range(255)[::15]: | ||
| + | message = (str(led)+",0,0,%d")%(i) | ||
| + | serled.write(message+"\n") | ||
| + | |||
| + | def fadeInYellow(led): | ||
| + | for i in range(255)[::15]: | ||
| + | message = (str(led)+",%d,0,%d")%(i,i) | ||
| + | serled.write(message+"\n") | ||
| + | |||
| + | def fadeInPurple(led): | ||
| + | for i in range(255)[::15]: | ||
| + | message = (str(led)+",%d,%d,0")%(i,int(i*0.2)) | ||
| + | serled.write(message+"\n") | ||
| + | |||
| + | def fadeInTurq(led): | ||
| + | for i in range(255)[::15]: | ||
| + | message = (str(led)+",0,%d,%d")%(int(i*0.2),i) | ||
| + | serled.write(message+"\n") | ||
| + | |||
| + | # fading OUT functions by colour: | ||
| + | |||
| + | def fadeOutRed(led): | ||
| + | for i in range(255,0,-1)[::25]: | ||
| + | message = (str(led)+",%d,0,0")%(i) | ||
| + | serled.write(message+"\n") | ||
| + | serled.write(str(led)+",0,0,0\n") | ||
| + | |||
| + | def fadeOutGreen(led): | ||
| + | for i in range(255,0,-1)[::25]: | ||
| + | message = (str(led)+",0,0,%d")%(i) | ||
| + | serled.write(message+"\n") | ||
| + | serled.write(str(led)+",0,0,0\n") | ||
| + | def fadeOutYellow(led): | ||
| + | for i in range(255,0,-1)[::25]: | ||
| + | message = (str(led)+",%d,0,%d")%(i,i) | ||
| + | serled.write(message+"\n") | ||
| + | serled.write(str(led)+",0,0,0\n") | ||
| + | |||
| + | def fadeOutPurple(led): | ||
| + | for i in range(255,0,-1)[::25]: | ||
| + | message = (str(led)+",%d,%d,0")%(i,int(i*0.2)) | ||
| + | serled.write(message+"\n") | ||
| + | serled.write(str(led)+",0,0,0\n") | ||
| + | |||
| + | def fadeOutTurq(led): | ||
| + | for i in range(255,0,-1)[::25]: | ||
| + | message = (str(led)+",0,%d,%d")%(int(i*0.2),i) | ||
| + | serled.write(message+"\n") | ||
| + | serled.write(str(led)+",0,0,0\n") | ||
| + | |||
| + | </code> | ||
ledclass-py.txt · Last modified: 2015/04/30 08:40 by zoza
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