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New Platform: TI CC2538 Development Kit

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This commit adds cpu, platform and example files,
providing support for running Contiki on TI's cc2538 DK
This commit is contained in:
George Oikonomou 2013-01-12 22:44:42 +00:00
parent d5d8de7372
commit 40f49948e6
74 changed files with 13125 additions and 0 deletions
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examples/cc2538dk/udp-ipv6-echo-server/udp-echo-server.c Normal file
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/*
* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.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.
*/
/** \addtogroup cc2538-examples
* @{
*
* \defgroup cc2538-echo-server cc2538dk UDP Echo Server Project
*
* Tests that a node can correctly join an RPL network and also tests UDP
* functionality
* @{
*
* \file
* An example of a simple UDP echo server for the cc2538dk platform
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include <string.h>
#define DEBUG DEBUG_PRINT
#include "net/uip-debug.h"
#include "dev/watchdog.h"
#include "dev/leds.h"
#include "net/rpl/rpl.h"
/*---------------------------------------------------------------------------*/
#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
#define UIP_UDP_BUF ((struct uip_udp_hdr *)&uip_buf[uip_l2_l3_hdr_len])
#define MAX_PAYLOAD_LEN 120
/*---------------------------------------------------------------------------*/
static struct uip_udp_conn *server_conn;
static char buf[MAX_PAYLOAD_LEN];
static uint16_t len;
/*---------------------------------------------------------------------------*/
PROCESS(udp_echo_server_process, "UDP echo server process");
AUTOSTART_PROCESSES(&udp_echo_server_process);
/*---------------------------------------------------------------------------*/
static void
tcpip_handler(void)
{
memset(buf, 0, MAX_PAYLOAD_LEN);
if(uip_newdata()) {
leds_on(LEDS_RED);
len = uip_datalen();
memcpy(buf, uip_appdata, len);
PRINTF("%u bytes from [", len);
PRINT6ADDR(&UIP_IP_BUF->srcipaddr);
PRINTF("]:%u\n", UIP_HTONS(UIP_UDP_BUF->srcport));
uip_ipaddr_copy(&server_conn->ripaddr, &UIP_IP_BUF->srcipaddr);
server_conn->rport = UIP_UDP_BUF->srcport;
uip_udp_packet_send(server_conn, buf, len);
uip_create_unspecified(&server_conn->ripaddr);
server_conn->rport = 0;
}
leds_off(LEDS_RED);
return;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(udp_echo_server_process, ev, data)
{
PROCESS_BEGIN();
PRINTF("Starting UDP echo server\n");
server_conn = udp_new(NULL, UIP_HTONS(0), NULL);
udp_bind(server_conn, UIP_HTONS(3000));
PRINTF("Listen port: 3000, TTL=%u\n", server_conn->ttl);
while(1) {
PROCESS_YIELD();
if(ev == tcpip_event) {
tcpip_handler();
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/