165 lines
3.6 KiB
C
165 lines
3.6 KiB
C
/*
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* File : key.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2011, RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2011-03-03 lgnq
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*/
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#include <rtthread.h>
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#include "key.h"
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#include "lcd.h"
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#ifdef RT_USING_RTGUI
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#include <rtgui/event.h>
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#include <rtgui/rtgui_server.h>
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#endif
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static void key_io_init(void)
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{
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/*Select CPIO function*/
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KEY_PFR &= ~KEY_MASK;
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/*Set CPIO Pull-Up function*/
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KEY_PCR |= KEY_MASK;
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/*Make button pins inputs*/
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KEY_DDR &= ~KEY_MASK;
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}
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static void key_thread_entry(void *parameter)
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{
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#ifdef RT_USING_RTGUI
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rt_time_t next_delay;
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rt_uint8_t i;
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struct rtgui_event_kbd kbd_event;
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key_io_init();
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/* init keyboard event */
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RTGUI_EVENT_KBD_INIT(&kbd_event);
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kbd_event.mod = RTGUI_KMOD_NONE;
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kbd_event.unicode = 0;
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while (1)
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{
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next_delay = RT_TICK_PER_SECOND/10;
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kbd_event.key = RTGUIK_UNKNOWN;
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kbd_event.type = RTGUI_KEYDOWN;
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if (KEY_ENTER_GETVALUE() == 0 )
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{
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for(i=0; ; i++)
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{
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rt_thread_delay( next_delay );
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if (KEY_ENTER_GETVALUE() == 0)
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{
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if (i>=4)
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{
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/* HOME key */
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kbd_event.key = RTGUIK_HOME;
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next_delay = RT_TICK_PER_SECOND/5;
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break;
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}
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}
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else
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{
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kbd_event.key = RTGUIK_RETURN;
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break;
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}
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}
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}
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if (KEY_DOWN_GETVALUE() == 0)
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{
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kbd_event.key = RTGUIK_DOWN;
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}
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if (KEY_UP_GETVALUE() == 0)
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{
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kbd_event.key = RTGUIK_UP;
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}
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if (KEY_RIGHT_GETVALUE() == 0)
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{
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kbd_event.key = RTGUIK_RIGHT;
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}
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if (KEY_LEFT_GETVALUE() == 0)
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{
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kbd_event.key = RTGUIK_LEFT;
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}
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if (kbd_event.key != RTGUIK_UNKNOWN)
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{
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/* post down event */
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rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
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}
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else
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{
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kbd_event.type = RTGUI_KEYUP;
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rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
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}
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/* wait next key press */
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rt_thread_delay(next_delay);
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}
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#else
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extern struct rt_messagequeue mq;
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rt_time_t next_delay;
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struct lcd_msg msg;
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msg.type = KEY_MSG;
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key_io_init();
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while (1)
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{
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msg.key = NO_KEY;
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next_delay = RT_TICK_PER_SECOND/10;
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if (KEY_ENTER_GETVALUE() == 0 )
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{
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msg.key = KEY_ENTER;
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}
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if (KEY_DOWN_GETVALUE() == 0)
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{
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msg.key = KEY_DOWN;
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}
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if (KEY_UP_GETVALUE() == 0)
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{
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msg.key = KEY_UP;
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}
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if (KEY_RIGHT_GETVALUE() == 0)
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{
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msg.key = KEY_RIGHT;
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}
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if (KEY_LEFT_GETVALUE() == 0)
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{
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msg.key = KEY_LEFT;
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}
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rt_mq_send(&mq, &msg, sizeof(msg));
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/* wait next key press */
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rt_thread_delay(next_delay);
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}
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#endif
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}
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static rt_thread_t key_thread;
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void rt_hw_key_init(void)
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{
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key_thread = rt_thread_create("key", key_thread_entry, RT_NULL, 384, 28, 5);
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if (key_thread != RT_NULL)
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rt_thread_startup(key_thread);
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}
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