Diff: main.cpp

Revision:

1:be0aa2900453

Parent:

0:a05c97d07ea7

Child:

2:bac691bab19c

diff -r a05c97d07ea7 -r be0aa2900453 main.cpp
--- a/main.cpp	Wed Apr 12 13:26:04 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,95 +0,0 @@
-#include "mbed.h"
-
-#if defined (TARGET_KL25Z)
-#define ROW0 PTC9
-#define ROW1 PTC8
-#define ROW2 PTA5
-#define ROW3 PTA4
-#define COL0 PTA12
-#define COL1 PTD4
-#define COL2 PTA1
-#define COL3 PTA2
-#endif
-
-#define NUM_COL 4
-#define NUM_ROW 4
-#define NUM_KEY (NUM_COL * NUM_ROW)
-
-int key[ NUM_KEY ] = {
-    0, 0, 0, 0,
-    0, 0, 0, 0,
-    0, 0, 0, 0,
-    0, 0, 0, 0
-} ;
-
-unsigned char key_char[NUM_KEY] = {
-    '1', '4', '7', '*',
-    '2', '5', '8', '0',
-    '3', '6', '9', '#',
-    'A', 'B', 'C', 'D'
-} ; 
-
-
-DigitalIn  *col[NUM_COL] ;
-DigitalOut *row[NUM_ROW] ;
-
-void init_hardware(void)
-{
-    col[3] = new DigitalIn(PTC11, PullUp) ;
-    col[2] = new DigitalIn(PTC10, PullUp) ;
-    col[1] = new DigitalIn(PTC6, PullUp) ;
-    col[0] = new DigitalIn(PTC5, PullUp) ;
-
-    row[3] = new DigitalOut(PTC4, 1) ;
-    row[2] = new DigitalOut(PTC3,  1) ;
-    row[1] = new DigitalOut(PTC0,  1) ;
-    row[0] = new DigitalOut(PTC7,  1) ;
-}
-
-int scan_key(int key[])
-{
-    int r, c ;
-    int count = 0 ;
-
-    for (r = 0 ; r < NUM_ROW ; r++ ) {
-        row[r]->write(0) ;
-        for (c = 0 ; c < NUM_COL ; c++ ) {
-            if (col[c]->read() == 0) {
-                key[r * NUM_COL + c] = 1 ;
-                count++ ;
-            } else {
-                key[r * NUM_COL + c] = 0 ;
-            }
-        }
-        row[r]->write(1)  ;
-    }
-    return(count) ;
-}
-
-void print_key(int key[])
-{
-    int i ;
-    for (i = 0 ; i < NUM_KEY ; i++ ) {
-        if (key[i]) {
-            printf("%c", key_char[i]) ;
-        }
-    }
-}
-    
-int main() {
-    int count ;
-    
-    init_hardware() ;
-    
-    printf("\n=== Matrix Key Test %s ===\n", __DATE__) ;
-    
-    while(1) {
-        count = scan_key(key) ;
-        if (count) {
-            print_key(key) ;
-            fflush(stdout) ;
-            wait(0.2) ;
-        }
-        wait(0.1) ;
-    }
-}