31 lines
742 B
C
31 lines
742 B
C
#include <gint/drivers/keydev.h>
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#include <stdbool.h>
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bool keydev_queue_push(keydev_t *d, key_event_t ev);
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/* keydev_process_key(): Process a new key state for events */
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void keydev_process_key(keydev_t *d, int keycode, bool state)
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{
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/* If the key has changed state, push an event */
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int row = (keycode >> 4);
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int col = 0x80 >> (keycode & 0x7);
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int prev = d->state_now[row] & col;
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if(state && !prev)
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{
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key_event_t ev = { 0 };
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ev.time = d->time;
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ev.type = KEYEV_DOWN;
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ev.key = keycode;
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if(keydev_queue_push(d, ev)) d->state_now[row] |= col;
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}
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else if(!state && prev)
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{
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key_event_t ev = { 0 };
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ev.time = d->time;
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ev.type = KEYEV_UP;
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ev.key = keycode;
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if(keydev_queue_push(d, ev)) d->state_now[row] &= ~col;
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}
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}
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