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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2011-03-03 lgnq
*/
#include <rtthread.h>
#include "key.h"
#include "lcd.h"
#ifdef RT_USING_RTGUI
#include <rtgui/event.h>
#include <rtgui/rtgui_server.h>
#endif
static void key_io_init(void)
{
/*Select CPIO function*/
KEY_PFR &= ~KEY_MASK;
/*Set CPIO Pull-Up function*/
KEY_PCR |= KEY_MASK;
/*Make button pins inputs*/
KEY_DDR &= ~KEY_MASK;
}
static void key_thread_entry(void *parameter)
{
#ifdef RT_USING_RTGUI
rt_tick_t next_delay;
rt_uint8_t i;
struct rtgui_event_kbd kbd_event;
key_io_init();
/* init keyboard event */
RTGUI_EVENT_KBD_INIT(&kbd_event);
kbd_event.mod = RTGUI_KMOD_NONE;
kbd_event.unicode = 0;
while (1)
{
next_delay = RT_TICK_PER_SECOND/10;
kbd_event.key = RTGUIK_UNKNOWN;
kbd_event.type = RTGUI_KEYDOWN;
if (KEY_ENTER_GETVALUE() == 0 )
{
for(i=0; ; i++)
{
rt_thread_delay( next_delay );
if (KEY_ENTER_GETVALUE() == 0)
{
if (i>=4)
{
/* HOME key */
kbd_event.key = RTGUIK_HOME;
next_delay = RT_TICK_PER_SECOND/5;
break;
}
}
else
{
kbd_event.key = RTGUIK_RETURN;
break;
}
}
}
if (KEY_DOWN_GETVALUE() == 0)
{
kbd_event.key = RTGUIK_DOWN;
}
if (KEY_UP_GETVALUE() == 0)
{
kbd_event.key = RTGUIK_UP;
}
if (KEY_RIGHT_GETVALUE() == 0)
{
kbd_event.key = RTGUIK_RIGHT;
}
if (KEY_LEFT_GETVALUE() == 0)
{
kbd_event.key = RTGUIK_LEFT;
}
if (kbd_event.key != RTGUIK_UNKNOWN)
{
/* post down event */
rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
}
else
{
kbd_event.type = RTGUI_KEYUP;
rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
}
/* wait next key press */
rt_thread_delay(next_delay);
}
#else
extern struct rt_messagequeue mq;
rt_tick_t next_delay;
struct lcd_msg msg;
msg.type = KEY_MSG;
key_io_init();
while (1)
{
msg.key = NO_KEY;
next_delay = RT_TICK_PER_SECOND/10;
if (KEY_ENTER_GETVALUE() == 0 )
{
msg.key = KEY_ENTER;
}
if (KEY_DOWN_GETVALUE() == 0)
{
msg.key = KEY_DOWN;
}
if (KEY_UP_GETVALUE() == 0)
{
msg.key = KEY_UP;
}
if (KEY_RIGHT_GETVALUE() == 0)
{
msg.key = KEY_RIGHT;
}
if (KEY_LEFT_GETVALUE() == 0)
{
msg.key = KEY_LEFT;
}
rt_mq_send(&mq, &msg, sizeof(msg));
/* wait next key press */
rt_thread_delay(next_delay);
}
#endif
}
static rt_thread_t key_thread;
void rt_hw_key_init(void)
{
key_thread = rt_thread_create("key", key_thread_entry, RT_NULL, 384, 28, 5);
if (key_thread != RT_NULL)
rt_thread_startup(key_thread);
}
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