-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
- *
- * -->
- *
- * \author Andrea Righi <arighi@develer.com>
- *
- * \brief lwIP TCP/IP echo server listening on port 80.
- */
-
-#include "hw/hw_led.h"
-
-#include <cfg/debug.h>
-
-#include <cpu/irq.h>
-#include <cpu/power.h>
-
-#include <drv/timer.h>
-#include <drv/ser.h>
-
-#include <kern/proc.h>
-#include <kern/monitor.h>
-
-#include <netif/ethernetif.h>
-
-#include <lwip/ip.h>
-#include <lwip/ip_addr.h>
-#include <lwip/netif.h>
-#include <lwip/tcpip.h>
-#include <lwip/dhcp.h>
-
-static Serial out;
-
-/* Network interface global variables */
-static struct ip_addr ipaddr, netmask, gw;
-static struct netif netif;
-
-static void init(void)
-{
- /* Enable all the interrupts */
- IRQ_ENABLE;
-
- /* Initialize debugging module (allow kprintf(), etc.) */
- kdbg_init();
- /* Initialize system timer */
- timer_init();
- /* Initialize UART0 */
- ser_init(&out, SER_UART0);
- /* Configure UART0 to work at 115.200 bps */
- ser_setbaudrate(&out, 115200);
- /* Initialize LED driver */
- LED_INIT();
-
- /*
- * Kernel initialization: processes (allow to create and dispatch
- * processes using proc_new()).
- */
- proc_init();
-
- /* Initialize TCP/IP stack */
- tcpip_init(NULL, NULL);
-
- /* Bring up the network interface */
- netif_add(&netif, &ipaddr, &netmask, &gw, NULL, ethernetif_init, tcpip_input);
- netif_set_default(&netif);
- netif_set_up(&netif);
-}
-
-static int tot_req;
-
-static NORETURN void monitor_process(void)
-{
- int start = tot_req;
-
- while (1)
- {
- monitor_report();
- kprintf("tot_req=%d [%d reqs/s]\n", tot_req, tot_req - start);
- start = tot_req;
- timer_delay(1000);
- }
-}
-
-int main(void)
-{
- struct netconn *server;
-
- /* Hardware initialization */
- init();
-
- proc_new(monitor_process, NULL, KERN_MINSTACKSIZE * 2, NULL);
-
- dhcp_start(&netif);
- /*
- * Here we wait for an ip address, but it's not strictly
- * necessary. The address is obtained in background and
- * as long as we don't use network functions, we could go
- * on with initialization
- */
- while (!netif.ip_addr.addr)
- timer_delay(200);
- kprintf(">>> dhcp ok: ip = ip = %s (kernel %s)\n",
- ip_ntoa(&netif.ip_addr.addr),
- CONFIG_KERN_PREEMPT ? "preempt" : "coop");
-
- server = netconn_new(NETCONN_TCP);
- netconn_bind(server, IP_ADDR_ANY, 80);
- netconn_listen(server);
-
- while (1)
- {
- struct netconn *client;
- struct netbuf *rx_buf_conn;
- char *rx_buf;
- u16_t len;
-
- client = netconn_accept(server);
- if (!client)
- continue;
-
- tot_req++;
- rx_buf_conn = netconn_recv(client);
- if (rx_buf_conn)
- {
- netbuf_data(rx_buf_conn, (void **)&rx_buf, &len);
- if (rx_buf)
- netconn_write(client, rx_buf, len, NETCONN_COPY);
- netbuf_delete(rx_buf_conn);
- }
- while (netconn_delete(client) != ERR_OK)
- cpu_relax();
- }
-}