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Tastenfeld.py

@@ -0,0 +1,98 @@
+import Adafruit_BBIO.GPIO as GPIO
+import time 
+import sys
+
+pin_r1 = "P8_8"
+pin_r2 = "P8_10"
+pin_r3 = "P8_12"
+pin_r4 = "P8_14"
+
+pin_c1 = "P8_16"
+pin_c2 = "P8_17"
+pin_c3 = "P8_18"
+
+GPIO.setup(pin_r1, GPIO.OUT)
+GPIO.setup(pin_r2, GPIO.OUT)
+GPIO.setup(pin_r3, GPIO.OUT)
+GPIO.setup(pin_r4, GPIO.OUT)
+GPIO.setup(pin_c1, GPIO.IN)
+GPIO.setup(pin_c2, GPIO.IN)
+GPIO.setup(pin_c3, GPIO.IN)
+
+GPIO.add_event_detect(pin_c1,GPIO.RISING)
+GPIO.add_event_detect(pin_c2,GPIO.RISING)
+GPIO.add_event_detect(pin_c3,GPIO.RISING)
+
+try:
+    time.sleep(1)
+    print("...")
+    while True:
+        time.sleep(1)
+        # 1. Zeile
+        GPIO.output(pin_r1, GPIO.HIGH)
+        GPIO.output(pin_r2, GPIO.LOW)
+        GPIO.output(pin_r3, GPIO.LOW)
+        GPIO.output(pin_r4, GPIO.LOW)
+        if GPIO.input(pin_c1):
+            print("1")
+            continue
+        if GPIO.input(pin_c2):
+            print("2")
+            continue
+        if GPIO.input(pin_c3):
+            print("3")
+            continue
+        time.sleep(0.1)
+
+        #2.Zeile
+        GPIO.output(pin_r1, GPIO.LOW)
+        GPIO.output(pin_r2, GPIO.HIGH)
+        GPIO.output(pin_r3, GPIO.LOW)
+        GPIO.output(pin_r4, GPIO.LOW)
+        if GPIO.input(pin_c1):
+            print("4")
+            continue
+        if GPIO.input(pin_c2):
+            print("5")
+            continue
+        if GPIO.input(pin_c3):
+            print("6")
+            continue
+        time.sleep(0.1)
+
+        #3.Zeile
+        GPIO.output(pin_r1, GPIO.LOW)
+        GPIO.output(pin_r2, GPIO.LOW)
+        GPIO.output(pin_r3, GPIO.HIGH)
+        GPIO.output(pin_r4, GPIO.LOW)
+        if GPIO.input(pin_c1):
+           print("7")
+           continue
+        if GPIO.input(pin_c2):
+           print("8")
+           continue
+        if GPIO.input(pin_c3):
+           print("9")
+           continue
+        time.sleep(0.1)
+
+        #4.Zeile
+        GPIO.output(pin_r1, GPIO.LOW)
+        GPIO.output(pin_r2, GPIO.LOW)
+        GPIO.output(pin_r3, GPIO.LOW)
+        GPIO.output(pin_r4, GPIO.HIGH)
+        if GPIO.input(pin_c1):
+           print("*")
+           continue
+        if GPIO.input(pin_c2):
+           print("0")
+           continue
+        if GPIO.input(pin_c3):
+           print("#")
+           continue
+        time.sleep(1)
+
+except:
+
+    print("incorrect Eingabe")
+    GPIO.cleanup()