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#include <unistd.h>
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#include <unistd.h>
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#include <kbd.h>
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#include <kbd.h>
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#include <kbd_port.h>
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#include <kbd_port.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <thread.h>
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#include <thread.h>
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#include <bool.h>
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#define SKI_GETCHAR     21
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#define SKI_GETCHAR     21
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#define POLL_INTERVAL       10000
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#define POLL_INTERVAL       10000
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static void *ski_thread_impl(void *arg);
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static void *ski_thread_impl(void *arg);
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static int32_t ski_getchar(void);
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static int32_t ski_getchar(void);
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static volatile bool polling_disabled = false;
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/** Initialize Ski port driver. */
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/** Initialize Ski port driver. */
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int kbd_port_init(void)
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int kbd_port_init(void)
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{
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{
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    thread_id_t tid;
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    thread_id_t tid;
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    int rc;
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    int rc;
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    }
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    }
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    return 0;
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    return 0;
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}
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}
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void kbd_port_yield(void)
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{
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    polling_disabled = true;
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}
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void kbd_port_reclaim(void)
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{
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    polling_disabled = false;
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}
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/** Thread to poll Ski for keypresses. */
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/** Thread to poll Ski for keypresses. */
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static void *ski_thread_impl(void *arg)
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static void *ski_thread_impl(void *arg)
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{
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{
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    int32_t c;
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    int32_t c;
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    (void) arg;
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    (void) arg;
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    while (1) {
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    while (1) {
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        while (1) {
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        while (polling_disabled == false) {
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            c = ski_getchar();
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            c = ski_getchar();
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            if (c == 0)
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            if (c == 0)
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                break;
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                break;
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            kbd_push_scancode(c);
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            kbd_push_scancode(c);
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        }
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        }