Kenji Arai / Keypad

3x4 keypad library (Extended not only 3x4 but 4x4,4x5 and 5x5 keys)

Dependents:   Keypad_input_OS2 Keypad_input

see /users/kenjiArai/notebook/keypadkey-matrix--control/

Diff: Keypad.cpp

Revision:
1:ed0ad90ad734
Parent:
0:b7249629f337
Child:
2:a3545b56bdd7
--- a/Keypad.cpp	Sat Sep 30 23:17:15 2017 +0000
+++ b/Keypad.cpp	Sat Sep 30 23:26:44 2017 +0000
@@ -11,8 +11,8 @@
 
 #include "Keypad.h"
 
-extern Serial pc;
-extern DigitalOut my_led;
+//extern Serial pc;
+//extern DigitalOut my_led;
 
 Keypad::Keypad(
     PinName kx, PinName ky, PinName kz,
@@ -109,8 +109,6 @@
     return bf_get();
 }
 
-#define BF_SIZE 16
-
 void Keypad::bf_put(char dt)
 {
     uint8_t next = write_addr + 1;