isp1160hal.c

ARM读写U盘驱动软件包源程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                     graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name: ISP1160HAL.c
** Last modified Date: 2005-04-22
** Last Version: 
** Description: 
**
**------------------------------------------------------------------------------------------------------
** Created By: Lishan Zhou
** Created date: 2005-04-22
** Version: 
** Description:
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Description:
**
********************************************************************************************************/

void 			outcommand( unsigned short  data);	
void 			outdata( unsigned short  data);		
unsigned short 	indata(void);						

void 			disable(void);	
void 			enable(void);	

void read_register_burst_char( unsigned short register_address, unsigned char *data, unsigned short length  )
{
	unsigned short	*data_ptr;
	unsigned short	i;

	disable();
	data_ptr = (unsigned short*)data;		
	outcommand( register_address );
	for ( i = 0; i < length; i += 2 )
	{	
		*data_ptr++ = indata();
	}
	enable();
}
	

void write_register_burst_char( unsigned short register_address, unsigned char *data, unsigned short length  )
{
	unsigned short	i;
	unsigned short	*data_ptr;
	disable();
	data_ptr = (unsigned short*)data;
	register_address	|= 0x80;
	outcommand( register_address );
	for ( i = 0; i < length; i += 2 )
	{
		outdata( *data_ptr++ );		
	}
	enable();
}



unsigned long read_register32( unsigned short register_address )
{
	unsigned long		tmp;
	disable();
	outcommand( register_address );
	tmp		 = indata();
	tmp		|= ((unsigned long)indata() << 16);
	enable();
	return ( tmp );
}

void write_register32( unsigned short register_address, unsigned long value )
{
	register_address	|= 0x80;
	disable();
	outcommand( register_address );
	outdata( (unsigned short)(value & 0x0000FFFF) );
	outdata( (unsigned short)(value >> 16)        );
	enable();
}

unsigned short read_register16( unsigned short register_address )
{
	unsigned short	tmp;
	disable();
	outcommand( register_address );
	tmp	= indata();
	enable();
	return ( tmp );
}

void write_register16( unsigned short register_address, unsigned short value )
{
	disable();
	register_address	|= 0x80;
	outcommand( register_address );
	outdata( value );
	enable();
}