rt-thread/bsp/mb9bf500r/key.h

48 lines
1.3 KiB
C
Raw Normal View History

2013-01-08 22:40:58 +08:00
/*
* File : key.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2011, RT-Thread Develop 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
* 2011-03-06 lgnq
*/
#ifndef __KEY_H__
#define __KEY_H__
#include "mb9bf506r.h"
#define KEY_DOWN (1<<0)
#define KEY_ENTER (1<<1)
#define KEY_LEFT (1<<2)
#define KEY_RIGHT (1<<3)
#define KEY_UP (1<<4)
#define NO_KEY (1<<5)
#define KEY_MASK (KEY_DOWN | KEY_ENTER | KEY_LEFT | KEY_RIGHT | KEY_UP)
#define KEY_PFR (FM3_GPIO->PFR7)
#define KEY_PCR (FM3_GPIO->PCR7)
#define KEY_PDIR (FM3_GPIO->PDIR7)
#define KEY_DDR (FM3_GPIO->DDR7)
#define RT_DEVICE_CTRL_KEY_SCAN 0
#define RT_DEVICE_CTRL_KEY_STATUS 1
#define SET_BIT(byte, bit) ((byte) |= (1<<(bit)))
#define CLR_BIT(byte, bit) ((byte) &= ~(1<<(bit)))
#define TST_BIT(byte, bit) (((byte) & (1<<(bit)))?1:0)
#define KEY_ENTER_GETVALUE() TST_BIT(KEY_PDIR, 1)
#define KEY_DOWN_GETVALUE() TST_BIT(KEY_PDIR, 0)
#define KEY_UP_GETVALUE() TST_BIT(KEY_PDIR, 4)
#define KEY_RIGHT_GETVALUE() TST_BIT(KEY_PDIR, 3)
#define KEY_LEFT_GETVALUE() TST_BIT(KEY_PDIR, 2)
void rt_hw_key_init(void);
#endif