/*******************************************************************************************************************
 *File Name   : keyPort.h
 *Description : the file is cpu privatie key port
 *Date        : 2008/06/13
 *Author      : yuanguiyou
 --History:
 ------------------------------------------------------------------------------------------------------------------
 *change info:
 
 *******************************************************************************************************************/
#ifndef KEYPORT_H
#define KEYPORT_H

#define  KEY_PORT_ROW           PORTB      	/* The port address of the keyboard matrix ROWs	*/
#define  KEY_PORT_COL           PINB      		/* The port address of the keyboard matrix COLUMNs	*/
#define  KEY_PORT_CW            DDRB       		/* The port address of the I/O ports control word		*/

/*call by key task*/
void    KeyInitPort(void);		/* Initialize I/O ports							*/
uint8_t KeyGetCol(void);			/* Read COLUMNs							*/
void    KeySelRow(uint8_t ucRow);	/* Select a ROW							*/

#define KeyUpHook()           PORTD &= 0xF7
#define KeyDownHook()         PORTD |= 0x08

#endif