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