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SLX2016.py
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SLX2016.py
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#License: CC0
import RPi.GPIO as GPIO
import time
class SLX2016:
def __init__(self,WR=4,A0=17,A1=18,D0=27,D1=22,D2=23,D3=24,D4=25,D5=5,D6=6,BL=12,CLR=13):
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(0)
GPIO.setup((WR,A0,A1,D0,D1,D2,D3,D4,D5,D6,BL,CLR),GPIO.OUT,initial=1)
(self.WR,self.A0,self.A1,self.D0,self.D1,self.D2,self.D3,self.D4,self.D5,self.D6,self.BL,self.CLR) = (WR,A0,A1,D0,D1,D2,D3,D4,D5,D6,BL,CLR)
self.APins = (A0,A1)
self.DPins = (D0,D1,D2,D3,D4,D5,D6)
def clear(self):
GPIO.output(self.CLR,not 1)
GPIO.output(self.CLR,not 0)
def set_character(self,position,character):
DSetting = ord(character)
self.set_character_ascii(position,DSetting)
def set_character_ascii(self,position,ascii):
ASetting = '{0:02b}'.format(position)
DSetting = '{0:07b}'.format(ascii)[::-1]
for A in range(2):
GPIO.output(int(self.APins[A]),int(ASetting[A]))
GPIO.output(self.WR,not 1)
for D in range(7):
GPIO.output(int(self.DPins[D]),int(DSetting[D]))
GPIO.output(self.WR,not 0)
def set_string(self,string):
self.clear()
padded = string.rjust(4)
for dig in range(4):
self.set_character(3-dig,padded[dig])
def blink(self,interval=0.1):
GPIO.output(self.BL,not 1)
time.sleep(interval)
GPIO.output(self.BL,not 0)
time.sleep(interval)