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KeypadLogic.py
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KeypadLogic.py
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import RPi.GPIO as GPIO
import time
import speaker
def getInput(mic):
GPIO.setmode(GPIO.BOARD)
MATRIX=[['1','2','3'],
['4','5','6'],
['7','8','9'],
['*','0','#']]
#GPIO Pin Numbers
ROW=[16,18,22,24]
COL=[7,5,3]
inputId = []
temp=[]
for j in range(3):
GPIO.setup(COL[j], GPIO.OUT)
GPIO.output(COL[j], 1) #set output as high
for i in range(4):
GPIO.setup(ROW[i], GPIO.IN, pull_up_down=GPIO.PUD_UP) #input set as high
try:
del inputId[:] #clear buffer
while(True):
for j in range(3):
GPIO.output(COL[j], 0)
for i in range(4):
if(GPIO.input(ROW[i]) == 0): # a key is pressed
print MATRIX[i][j]
if(MATRIX[i][j] != '#'): #not the end yet
inputId.append(MATRIX[i][j])
mic.say(MATRIX[i][j])
else:
print inputId
while(GPIO.input(ROW[i]) == 0):
pass
return inputId #break out infinite loop
while(GPIO.input(ROW[i]) == 0):
pass
GPIO.output(COL[j], 1)
time.sleep(0.1)
except KeyboardInterrupt:
GPIO.cleanup()
if __name__ == '__main__':
Speaker = speaker.newSpeaker()
getInput(Speaker)