24 lines
520 B
C
24 lines
520 B
C
#include <gint/drivers/keydev.h>
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#include <stdint.h>
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#include <stdarg.h>
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/* keydev_idle(): Check if all keys are released */
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bool keydev_idle(keydev_t *d, ...)
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{
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uint32_t *state = (void *)d->state_queue;
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uint32_t check[3] = { state[0], state[1], state[2] };
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int key;
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va_list args;
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va_start(args, d);
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while((key = va_arg(args, int)))
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{
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int row = (key >> 4);
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int col = 0x80 >> (key & 0x7);
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((uint8_t *)check)[row] &= ~col;
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}
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va_end(args);
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return (check[0] == 0) && (check[1] == 0) && (check[2] == 0);
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}
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