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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@254 bbd45198-f89e-11dd-88c7-29a3b14d5316

This commit is contained in:
aganhx@gmail.com 2009-12-28 15:31:36 +00:00
parent cf8cb65788
commit da52b36077
1 changed files with 131 additions and 0 deletions
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bsp/mini2440/key.c Normal file
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/*
* File : key.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2007-11-20 Yi.Qiu add rtgui application
* 2008-6-28 Bernard no rtgui init
*/
/**
* @addtogroup mini2440
*/
/*@{*/
#include <rtthread.h>
#include <s3c24x0.h>
#include <rtgui/event.h>
#include <rtgui/rtgui_server.h>
/*
key_enter GPG0
key_down GPG3
key_up GPG5
key_right GPG6
key_left GPG7
key_power GPG11
*/
#define key_enter_GETVALUE() (GPGDAT & (1 << 0))
#define key_down_GETVALUE() (GPGDAT & (1 << 3))
#define key_up_GETVALUE() (GPGDAT & (1 << 5))
#define key_right_GETVALUE() (GPGDAT & (1 << 6))
#define key_left_GETVALUE() (GPGDAT & (1 << 7))
#define key_power_GETVALUE() (GPGDAT & (1 << 11))
static void key_thread_entry(void *parameter)
{
rt_time_t next_delay;
struct rtgui_event_kbd kbd_event;
/* init gpio configuration */
GPGCON = GPGCON & (~((3<<22)|(3<<6)|(3<<0)|(3<<10)|(3<<12)|(3<<14))) |
((2<<22)|(2<<6)|(2<<0)|(2<<10)|(2<<12)|(2<<14));
/* init keyboard event */
RTGUI_EVENT_KBD_INIT(&kbd_event);
kbd_event.mod = RTGUI_KMOD_NONE;
kbd_event.unicode = 0;
while (1)
{
next_delay = 20;
kbd_event.key = RTGUIK_UNKNOWN;
kbd_event.type = RTGUI_KEYDOWN;
if ( key_enter_GETVALUE() == 0 )
{
rt_thread_delay(next_delay);
if (key_enter_GETVALUE() == 0)
{
/* HOME key */
rt_kprintf("key_home\n");
kbd_event.key = RTGUIK_HOME;
}
else
{
rt_kprintf("key_enter\n");
kbd_event.key = RTGUIK_RETURN;
}
}
if ( key_down_GETVALUE() == 0 )
{
rt_kprintf("key_down\n");
kbd_event.key = RTGUIK_DOWN;
}
if ( key_up_GETVALUE() == 0 )
{
rt_kprintf("key_up\n");
kbd_event.key = RTGUIK_UP;
}
if ( key_right_GETVALUE() == 0 )
{
rt_kprintf("key_right\n");
kbd_event.key = RTGUIK_RIGHT;
}
if ( key_left_GETVALUE() == 0 )
{
rt_kprintf("key_left\n");
kbd_event.key = RTGUIK_LEFT;
}
if (kbd_event.key != RTGUIK_UNKNOWN)
{
/* post down event */
rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
next_delay = 10;
/* delay to post up event */
rt_thread_delay(next_delay);
/* post up event */
kbd_event.type = RTGUI_KEYUP;
rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
}
/* wait next key press */
rt_thread_delay(next_delay);
}
}
void rt_hw_key_init()
{
rt_thread_t key_tid;
key_tid = rt_thread_create("key",
key_thread_entry, RT_NULL,
512, 30, 5);
if (key_tid != RT_NULL) rt_thread_startup(key_tid);
}
/*@}*/