Added numpad

numpadv5.py

@@ -0,0 +1,165 @@
+import mraa
+import time
+# Refer to the pin-out diagram for the GPIO number to silk print mapping
+# in this example the number 2 maps to P10 on LinkIt Smart 7688 board
+#from mraa import Result as r
+
+rowVal = 0
+colVal = 0
+value = ""
+pin1 = mraa.Gpio(24)
+pin2 = mraa.Gpio(26)
+pin3 = mraa.Gpio(30)
+pin4 = mraa.Gpio(32)
+pin5 = mraa.Gpio(34)
+pin6 = mraa.Gpio(23)
+pin7 = mraa.Gpio(25)
+pin8 = mraa.Gpio(27)
+
+pin1.dir(mraa.DIR_IN)
+pin2.dir(mraa.DIR_IN)
+pin3.dir(mraa.DIR_IN)
+pin4.dir(mraa.DIR_IN)
+pin5.dir(mraa.DIR_OUT)
+pin6.dir(mraa.DIR_OUT)
+pin7.dir(mraa.DIR_OUT)
+pin8.dir(mraa.DIR_OUT)
+
+if(pin1 == None):
+    print('Error')
+#ret = pin1.dir(mraa.DIR_IN)
+
+#if(ret!=mraa.SUCCESS):
+#    print('s')
+
+#pin8.write(1)
+#pin1.write(1)
+pin8.write(1)
+pin7.write(1)
+pin6.write(1)
+pin5.write(1)
+pin4.write(0)
+pin3.write(0)
+pin2.write(0)
+pin1.write(0)
+
+result = ""
+while True:
+    if(pin1.read() == 1):
+        rowVal=1
+    if(pin2.read() == 1):
+        rowVal=2
+    if(pin3.read() == 1):
+        rowVal=3
+    if(pin4.read() == 1):
+        rowVal=4
+    if not rowVal == 0:
+        #num = pin.read()
+        pin5.dir(mraa.DIR_IN)
+        pin6.dir(mraa.DIR_IN)
+        pin7.dir(mraa.DIR_IN)
+        pin8.dir(mraa.DIR_IN)
+        pin5.write(0)
+        pin6.write(0)
+        pin7.write(0)
+        pin8.write(0)
+        if rowVal==1:
+            pin1.dir(mraa.DIR_OUT)
+    if(pin3.read() == 1):
+        rowVal=3
+    if(pin4.read() == 1):
+        rowVal=4
+    if not rowVal == 0:
+        #num = pin.read()
+        pin5.dir(mraa.DIR_IN)
+        pin6.dir(mraa.DIR_IN)
+        pin7.dir(mraa.DIR_IN)
+        pin8.dir(mraa.DIR_IN)
+        pin5.write(0)
+        pin6.write(0)
+        pin7.write(0)
+        pin8.write(0)
+        if rowVal==1:
+            pin1.dir(mraa.DIR_OUT)
+            pin1.write(1)
+        if rowVal==2:
+            pin2.dir(mraa.DIR_OUT)
+            pin2.write(1)
+        if rowVal==3:
+            pin3.dir(mraa.DIR_OUT)
+            pin3.write(1)
+        if rowVal==4:
+            pin4.dir(mraa.DIR_OUT)
+            pin4.write(1)
+        if(pin5.read()==1):
+            colVal = 4
+        if(pin6.read()==1):
+            colVal = 3
+        if(pin7.read()==1):
+            colVal = 2
+        if(pin8.read()==1):
+            colVal = 1
+        #print (str(rowVal) + "   " +str(colVal))
+
+    pin1.dir(mraa.DIR_IN)
+    pin2.dir(mraa.DIR_IN)
+    pin3.dir(mraa.DIR_IN)
+    pin4.dir(mraa.DIR_IN)
+    pin5.dir(mraa.DIR_OUT)
+    pin6.dir(mraa.DIR_OUT)
+    pin7.dir(mraa.DIR_OUT)
+    pin8.dir(mraa.DIR_OUT)
+    pin8.write(1)
+    pin7.write(1)
+    pin6.write(1)
+    pin5.write(1)
+    pin4.write(0)
+    pin3.write(0)
+    pin2.write(0)
+    pin1.write(0)
+
+    if(rowVal==1 and colVal ==1):
+        value = "A"
+    if(rowVal==2 and colVal ==1):
+        value = "3"
+    if(rowVal==3 and colVal ==1):
+        value = "2"
+    if(rowVal==4 and colVal ==1):
+        value = "1"
+    if(rowVal==1 and colVal ==2):
+        value = "B"
+    if(rowVal==2 and colVal ==2):
+        value = "6"
+    if(rowVal==3 and colVal ==2):
+        value = "5"
+    if(rowVal==4 and colVal ==2):
+        value = "4"
+    if(rowVal==1 and colVal ==3):
+        value = "C"
+    if(rowVal==2 and colVal ==3):
+        value = "9"
+    if(rowVal==3 and colVal ==3):
+        value = "8"
+    if(rowVal==4 and colVal ==3):
+        value = "7"
+    if(rowVal==1 and colVal ==4):
+        value = "D"
+    if(rowVal==2 and colVal ==4):
+        value = "#"
+    if(rowVal==3 and colVal ==4):
+        value = "0"
+    if(rowVal==4 and colVal ==4):
+        value = "*"
+        break
+
+    if not value == "":
+        print(value)
+    result+=value
+    time.sleep(0.3)
+    colVal=0
+    rowVal=0
+    value=""
+
+print(result)
+
+