embox

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/**
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 * @file
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 *
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 * @date May 1, 2021
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 * @author Anton Bondarev
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 */
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#include <drivers/input/input_dev.h>
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#include <drivers/ps_keyboard.h>
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static int kbd_state;
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static void kbd_key_serv_press(int state, int flag) {
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	if (state & KBD_KEY_PRESSED) {
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		kbd_state |= flag;
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	} else {
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		kbd_state &= ~flag;
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	}
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}
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int keyboard_scan_code_to_event(uint8_t scan_code, struct input_event *event) {
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	int ret = 0, flag = 0;
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	event->type = event->value = 0;
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	if (scan_code & 0x80) {
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		/* key unpressed */
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		event->type &= ~KBD_KEY_PRESSED;
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	} else {
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		/* key pressed */
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		event->type |= KBD_KEY_PRESSED;
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	}
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	scan_code &= 0x7F;
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	switch(scan_code) {
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	case KEYBOARD_SCAN_CODE_CTRL:
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		flag = KBD_CTRL_PRESSED;
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		break;
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	case KEYBOARD_SCAN_CODE_ALT:
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		flag = KBD_ALT_PRESSED;
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		break;
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	case KEYBOARD_SCAN_CODE_SHIFT:
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		flag = KBD_SHIFT_PRESSED;
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		break;
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	case KEYBOARD_SCAN_CODE_CAPS:
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		flag = KBD_CAPS_PRESSED;
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		break;
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	}
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	kbd_key_serv_press(event->type, flag);
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	event->value = kbd_state | scan_code;
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	return ret;
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}
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