format and some fix

read_keys_SH3.py

@@ -1,6 +1,7 @@
 import gpio  # https://github.com/vitiral/gpio
 import time
 
+
 def setup():
     # Bank2 Pin16~PIN21
     gpio.setup(80, gpio.OUT)
@@ -21,7 +22,8 @@ def setup():
     # Bank4 Pin8
     gpio.setup(136, gpio.OUT)
 
-def keyread():
+
+def gpioread():
     keys = []
     for writeport in range(80, 87):
         if writeport == 86:
@@ -34,18 +36,12 @@ def keyread():
         key = ~((key ^ (key >> 1)) & 0x1f ^ (key >> 1)) & 0x7f
         keys.append(key)
         gpio.set(writeport, 0)
-	verify_keys = []
-	for writeport in range(80,87):
-		if writeport == 86:
-			writeport=136
-		gpio.set(writeport,1)
-		time.sleep(0.001)
-		key = 0
-		for readport in range(135,127,-1):
-			key = (key << 1) + gpio.read(readport)
-		key=~((key ^ (key >> 1)) & 0x1f ^ (key >> 1)) & 0x7f
-		verify_keys.append(key)
-		gpio.set(writeport,0)
+    return keys
+
+
+def keyread():
+    keys = readgpio()
+    verify_keys = readgpio()
     if not keys == verify_keys:
         return
     temp = 0
@@ -175,6 +171,7 @@ def keyread():
     if not temp == 0:
         print(f"\nKeys = {', '.join(keys)}")
 
+
 setup()
 while True:
     time.sleep(0.001)