mirror of https://github.com/ARMmbed/mbed-os.git
				
				
				
			
		
			
				
	
	
		
			86 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
/* mbed Microcontroller Library
 | 
						|
 * Copyright (c) 2006-2017 ARM Limited
 | 
						|
 *
 | 
						|
 * Licensed under the Apache License, Version 2.0 (the "License");
 | 
						|
 * you may not use this file except in compliance with the License.
 | 
						|
 * You may obtain a copy of the License at
 | 
						|
 *
 | 
						|
 *     http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
 *
 | 
						|
 * Unless required by applicable law or agreed to in writing, software
 | 
						|
 * distributed under the License is distributed on an "AS IS" BASIS,
 | 
						|
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						|
 * See the License for the specific language governing permissions and
 | 
						|
 * limitations under the License.
 | 
						|
 */
 | 
						|
#include <string.h>
 | 
						|
 | 
						|
#include "ethernet_api.h"
 | 
						|
#include "cmsis.h"
 | 
						|
#include "mbed_interface.h"
 | 
						|
#include "mbed_toolchain.h"
 | 
						|
#include "mbed_error.h"
 | 
						|
#include "mbed_wait_api.h"
 | 
						|
#include "smsc9220_eth.h"
 | 
						|
 | 
						|
/*----------------------------------------------------------------------------
 | 
						|
  Ethernet Device initialize
 | 
						|
 *----------------------------------------------------------------------------*/
 | 
						|
int ethernet_init()
 | 
						|
{
 | 
						|
    return smsc9220_init();
 | 
						|
}
 | 
						|
 | 
						|
/*----------------------------------------------------------------------------
 | 
						|
  Ethernet Device Uninitialize
 | 
						|
 *----------------------------------------------------------------------------*/
 | 
						|
void ethernet_free()
 | 
						|
{
 | 
						|
    /* Uninitialize function is not implemented in Ethernet driver. */
 | 
						|
}
 | 
						|
 | 
						|
int ethernet_write(const char *data, int size)
 | 
						|
{
 | 
						|
    /* smsc9220 cannot provide the functionality of writing into the tx buffer */
 | 
						|
    /* by chunks, without knowing the full size of the packet in the beginning */
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
int ethernet_send()
 | 
						|
{
 | 
						|
    /* smsc9220 cannot provide the functionality of writing into the tx buffer */
 | 
						|
    /* by chunks, without knowing the full size of the packet in the beginning */
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
int ethernet_receive()
 | 
						|
{
 | 
						|
    return smsc9220_peek_next_packet_size();
 | 
						|
}
 | 
						|
 | 
						|
/* Read from an recevied ethernet packet.*/
 | 
						|
/* After receive returnd a number bigger than 0 it is*/
 | 
						|
/* possible to read bytes from this packet.*/
 | 
						|
/* Read will write up to size bytes into data.*/
 | 
						|
/* It is possible to use read multible times.*/
 | 
						|
/* Each time read will start reading after the last read byte before. */
 | 
						|
int ethernet_read(char *data, int dlen)
 | 
						|
{
 | 
						|
    return smsc9220_receive_by_chunks(data, dlen);
 | 
						|
}
 | 
						|
 | 
						|
void ethernet_address(char *mac)
 | 
						|
{
 | 
						|
    smsc9220_read_mac_address(mac);
 | 
						|
}
 | 
						|
 | 
						|
int ethernet_link(void)
 | 
						|
{
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
void ethernet_set_link(int speed, int duplex)
 | 
						|
{
 | 
						|
    smsc9220_establish_link();
 | 
						|
}
 |