Kenji Arai
test program for keypad(Extended not only 3x4 but 4x4,4x5 and 5x5 keys)
Fork of
study_step0
by 
Team_PjL
see /users/kenjiArai/notebook/keypadkey-matrix--control/
Diff: key_3x4.cpp
- Revision:
- 3:0c888cad9376
- Parent:
- 2:aa6fdecebf2b
- Child:
- 4:0564f82dd0ef
--- a/key_3x4.cpp Mon Apr 06 04:57:04 2020 +0000
+++ b/key_3x4.cpp Mon Apr 13 02:07:09 2020 +0000
@@ -8,7 +8,7 @@
* http://www7b.biglobe.ne.jp/~kenjia/
* https://os.mbed.com/users/kenjiArai/
* Created: September 27th, 2017
- * Revised: April 6th, 2020
+ * Revised: April 13th, 2020
*/
// Pre-selection --------------------------------------------------------------
@@ -25,10 +25,8 @@
// Object ---------------------------------------------------------------------
DigitalOut my_led(LED1);
Serial pc(USBTX,USBRX);
-// X Y Z A B C D OUT(XYZ), IN(ABCD)
-Keypad key(D10, D9, D8, D7, D6, D5, D4);
-// X Y Z A B C D OUT(XYZ), IN(ABCD)
-//Keypad key(D10, D9, D8, D6, D5, D4, D3);
+// X Y Z A B C D OUT(XYZ), IN(ABCD)
+Keypad key(D11, D10, D9, D6, D5, D4, D3);
// RAM ------------------------------------------------------------------------
@@ -50,7 +48,7 @@
uint32_t key_num;
uint32_t counter = 0;
- pc.printf("Start Key-Pad test\r\n");
+ pc.printf("Start Key-Pad test 3x4 keys\r\n");
while(true) {
while ((key_num = key.read()) != 0) {
pc.printf("%2u:[%2d] %c\r\n",