Diff: keypadandlc.cpp

Revision:

0:9b646298bdc9

Child:

1:c57c18e1ca87

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/keypadandlc.cpp	Wed Jan 30 02:34:25 2019 +0000
@@ -0,0 +1,31 @@
+#include "TextLCD.h"
+#include "mbed.h"
+#include "Keypad.h"
+#include <string>
+ // Define your own keypad values
+ char Keytable[] = { '1', '2', '3', 'U',   // r0 U = up
+                     '4', '5', '6', 'D',   // r1 D = down
+                     '7', '8', '9', 'S',   // r2 S = 2nd
+                     'C', '0', ',', 'E'    // r3 C = clear, E = enter
+                   };
+                  // c0   c1   c2   c3
+ 
+ uint32_t Index;
+ 
+ uint32_t cbAfterInput(uint32_t index) {
+     Index = index;
+     return 0;
+ }
+ 
+ int main() {
+                 // r0   r1   r2   r3   c0   c1   c2   c3
+     Keypad keypad(D0, D1, D2, D3, D10, D11, D12, D13);
+     keypad.attach(&cbAfterInput);
+     keypad.start();  // energize the keypad via c0-c3
+ 
+     while (1) {
+         __wfi();
+         printf("Interrupted\r\n");
+         printf("Index:%d => Key:%c\r\n", Index, Keytable[Index]); 
+         }
+}
\ No newline at end of file