1 #include <stdio.h>

2 #include <ctype.h>

3 #include <assert.h>

4 #include "keyb.h"

5

6 int main(void)

7 {

8 int key;

9

10 /* The argument to kb_init specifies how many keypresses to buffer up.

11 * If you don't need any keypress buffering, pass 0 to disable it.

12 */

13 kb_init(16);

14

15 printf("Press any key to continue ...\n");

16

17 /* example of active polling... The same can be done better by using

18 * kb_wait()

19 */

20 while(!kb_isdown(KB_ANY));

21 kb_getkey(); /* discard the key we just detected */

22

23 printf("Key tester, quit by pressing esc\n");

24 for(;;) {

25 kb_wait(); /* wait for any keypress */

26 key = kb_getkey(); /* get the pressed key */

27 assert(key != -1); /* this should never happen since kb_wait returned */

28

29 if(key == 27) break; /* quit on esc */

30

31 /* if it's a printable character print it along with the key value */

32 if(isprint(key)) {

33 printf("key: %d '%c'\n", key, (char)key);

34 } else {

35 printf("key: %d\n", key);

36 }

37 }

38

39 kb_shutdown();

40 return 0;

41 }