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IP64 bindings for the ENC28j60 Ethernet driver

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This commit is contained in:
Adam Dunkels 2015-04-15 08:30:26 +02:00
parent 9b28486b1a
commit 12beebeec0
2 changed files with 141 additions and 0 deletions
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103
dev/enc28j60/enc28j60-ip64-driver.c Normal file
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/*
* Copyright (c) 2012-2013, Thingsquare, http://www.thingsquare.com/.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "contiki.h"
#include "enc28j60.h"
#include "enc28j60-ip64-driver.h"
#include "ip64.h"
#include "ip64-eth.h"
#include <string.h>
#include <stdio.h>
PROCESS(enc28j60_ip64_driver_process, "ENC28J60 IP64 driver");
/*---------------------------------------------------------------------------*/
static void
init(void)
{
uint8_t eui64[8];
uint8_t macaddr[6];
/* Assume that linkaddr_node_addr holds the EUI64 of this device. */
memcpy(eui64, &linkaddr_node_addr, sizeof(eui64));
/* Mangle the EUI64 into a 48-bit Ethernet address. */
memcpy(&macaddr[0], &eui64[0], 3);
memcpy(&macaddr[3], &eui64[5], 3);
/* In case the OUI happens to contain a broadcast bit, we mask that
out here. */
macaddr[0] = (macaddr[0] & 0xfe);
/* Set the U/L bit, in order to create a locally administered MAC address */
macaddr[0] = (macaddr[0] | 0x02);
memcpy(ip64_eth_addr.addr, macaddr, sizeof(macaddr));
printf("MAC addr %02x:%02x:%02x:%02x:%02x:%02x\n",
macaddr[0], macaddr[1], macaddr[2],
macaddr[3], macaddr[4], macaddr[5]);
enc28j60_init(macaddr);
process_start(&enc28j60_ip64_driver_process, NULL);
}
/*---------------------------------------------------------------------------*/
static int
output(uint8_t *packet, uint16_t len)
{
enc28j60_send(packet, len);
return len;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(enc28j60_ip64_driver_process, ev, data)
{
static int len;
static struct etimer e;
PROCESS_BEGIN();
while(1) {
etimer_set(&e, 1);
PROCESS_WAIT_EVENT();
len = enc28j60_read(ip64_packet_buffer, ip64_packet_buffer_maxlen);
if(len > 0) {
IP64_INPUT(ip64_packet_buffer, len);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
const struct ip64_driver enc28j60_ip64_driver = {
init,
output
};
/*---------------------------------------------------------------------------*/

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dev/enc28j60/enc28j60-ip64-driver.h Normal file
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/*
* Copyright (c) 2012-2013, Thingsquare, http://www.thingsquare.com/.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef ENC28J60_IP64_DRIVER_H
#define ENC28J60_IP64_DRIVER_H
#include "ip64-driver.h"
extern const struct ip64_driver enc28j60_ip64_driver;
#endif /* ENC28J60_IP64_DRIVER_H */