dc_comm.c

使用ISP1362芯片的USB_OTG参考设计源代码比较新的版本

/*
**  WASABI-Hot! version 1.2c    (DeviceController sub-unit)
**
**
**      -- copyright (c) 2001-2004 by Philips Japan, Ltd. -- All rights reserved --
**
**
**      ** This code has been made to check/learn                          ** 
**      **                             the ISP1362/ISP1363 functionalities **
**      ** Release 06-Aug-2004                                             **
**
**     HIGASHIYAMA, Ken 
**      
**		Application Laboratory, Mobile and Connectivity
**      Semiconductors Div, Philips Japan Ltd.
**      [e-mail]
**      [phone] 
**
**
*/

#include <stdio.h>
#include <dos.h>

#include		"general.h"

#include	"_dc/dc_comm.h"
#include	"_dc/dc_hal.h"
#include	"_dc/dc_flags.h"


//*********************************************************************************************//
//
//						Device Controller Commands 
//
//*********************************************************************************************//

/*					Write					*/

void Comm( unsigned short command_code)
{
	D13_outport(D13_COMMAND_PORT, command_code);
}

void Comm_w16(unsigned short command_code, unsigned short value)
{
	D13_outport(D13_COMMAND_PORT, command_code);
	D13_outport(D13_DATA_PORT, value);
}

void Comm_w32(unsigned short command_code, unsigned long value)
{
	D13_outport(D13_COMMAND_PORT, command_code);
	D13_outport(D13_DATA_PORT, (unsigned short)value);
	D13_outport(D13_DATA_PORT, (unsigned short)(value>>16));
}
void Comm_w(unsigned short command_code, unsigned short length, unsigned short *buf)
{
	unsigned short i;

	D13_outport(D13_COMMAND_PORT, command_code);
	D13_outport(D13_DATA_PORT, length);

	for (i=1; i<=(length+1)/2; i++, buf++ )
		D13_outport( D13_DATA_PORT, *buf );
}


/*					Read					*/

unsigned short Comm_r16(unsigned short command_code)
{
	unsigned short value;
	
	D13_outport(D13_COMMAND_PORT, command_code);
	value=D13_inport(D13_DATA_PORT);

	return value;
}

unsigned long Comm_r32(unsigned short command_code)
{
	unsigned long value;

	D13_outport(D13_COMMAND_PORT, command_code);
	value=D13_inport(D13_DATA_PORT);
	value |= ( ( (unsigned long) D13_inport( D13_DATA_PORT ) ) <<16 );
	
	return value;

}

unsigned short Comm_r(unsigned short command_code, unsigned short *buf)
{
	unsigned short i, length;
	
	D13_outport(D13_COMMAND_PORT, command_code);
	length=D13_inport(D13_DATA_PORT) & 0x00FF;
	for (i=1; i<=(length+1)/2; i++, buf++ )
		*buf=D13_inport(D13_DATA_PORT);

	return length;
}

unsigned short change_endian(unsigned short value)
{
	unsigned short i;
	
	i=value<<8;
	i |= value>>8;
	
	return i;
}