Rune Langoy / Mbed 2 deprecated 4x4KeyBoardExample

4x4 Keypad program using polling

Dependencies:   KeypadLib mbed

Embed: (wiki syntax)

« Back to documentation index

Show/hide line numbers main.cpp Source File

main.cpp

00001 #include "mbed.h"
00002 #include "keypad.h"
00003  
00004 Serial pc(USBTX, USBRX); 
00005 
00006  
00007 int main() {
00008                 //  c0   c1   c2   c3  r0   r1   r2   r3    
00009     Keypad keypad( PC_3,PC_2,PA_0,PA_1,PA_4,PB_0,PC_1,PC_0 );
00010        
00011     keypad.enablePullUp();
00012     char key;
00013     pc.printf("Please touch a key on the keypad\n\r");
00014     while (1) 
00015     {
00016          key = keypad.getKey();    
00017          if(key != KEY_RELEASED)
00018          {
00019              pc.printf("%c\r\n",key);
00020              wait(0.6);
00021          }
00022     }
00023 }
Generated on Tue Jul 12 2022 11:28:59 by  doxygen 1.7.2