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main.c
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/*
* Copyright (C) 2016 - 2019 Xilinx, Inc.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <stdio.h>
#include "xparameters.h"
#include "netif/xadapter.h"
#include "platform_config.h"
#include "xil_printf.h"
#if LWIP_IPV6==1
#include "lwip/ip.h"
#else
#if LWIP_DHCP==1
#include "lwip/dhcp.h"
#endif
#endif
#ifdef XPS_BOARD_ZCU102
#ifdef XPAR_XIICPS_0_DEVICE_ID
int IicPhyReset(void);
#endif
#endif
int main_thread();
void print_echo_app_header();
void echo_application_thread(void *);
void lwip_init();
#if LWIP_IPV6==0
#if LWIP_DHCP==1
extern volatile int dhcp_timoutcntr;
err_t dhcp_start(struct netif *netif);
#endif
#endif
#define THREAD_STACKSIZE 1024
static struct netif server_netif;
struct netif *echo_netif;
#if LWIP_IPV6==1
void print_ip6(char *msg, ip_addr_t *ip)
{
print(msg);
xil_printf(" %x:%x:%x:%x:%x:%x:%x:%x\n\r",
IP6_ADDR_BLOCK1(&ip->u_addr.ip6),
IP6_ADDR_BLOCK2(&ip->u_addr.ip6),
IP6_ADDR_BLOCK3(&ip->u_addr.ip6),
IP6_ADDR_BLOCK4(&ip->u_addr.ip6),
IP6_ADDR_BLOCK5(&ip->u_addr.ip6),
IP6_ADDR_BLOCK6(&ip->u_addr.ip6),
IP6_ADDR_BLOCK7(&ip->u_addr.ip6),
IP6_ADDR_BLOCK8(&ip->u_addr.ip6));
}
#else
void
print_ip(char *msg, ip_addr_t *ip)
{
xil_printf(msg);
xil_printf("%d.%d.%d.%d\n\r", ip4_addr1(ip), ip4_addr2(ip),
ip4_addr3(ip), ip4_addr4(ip));
}
void
print_ip_settings(ip_addr_t *ip, ip_addr_t *mask, ip_addr_t *gw)
{
print_ip("Board IP: ", ip);
print_ip("Netmask : ", mask);
print_ip("Gateway : ", gw);
}
#endif
int main()
{
sys_thread_new("main_thrd", (void(*)(void*))main_thread, 0,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
vTaskStartScheduler();
while(1);
return 0;
}
void network_thread(void *p)
{
struct netif *netif;
/* the mac address of the board. this should be unique per board */
unsigned char mac_ethernet_address[] = { 0x00, 0x0a, 0x35, 0x00, 0x01, 0x02 };
#if LWIP_IPV6==0
ip_addr_t ipaddr, netmask, gw;
#if LWIP_DHCP==1
int mscnt = 0;
#endif
#endif
netif = &server_netif;
xil_printf("\r\n\r\n");
xil_printf("-----lwIP Socket Mode Echo server Demo Application ------\r\n");
#if LWIP_IPV6==0
#if LWIP_DHCP==0
/* initialize IP addresses to be used */
IP4_ADDR(&ipaddr, 192, 168, 1, 10);
IP4_ADDR(&netmask, 255, 255, 255, 0);
IP4_ADDR(&gw, 192, 168, 1, 1);
#endif
/* print out IP settings of the board */
#if LWIP_DHCP==0
print_ip_settings(&ipaddr, &netmask, &gw);
/* print all application headers */
#endif
#if LWIP_DHCP==1
ipaddr.addr = 0;
gw.addr = 0;
netmask.addr = 0;
#endif
#endif
#if LWIP_IPV6==0
/* Add network interface to the netif_list, and set it as default */
if (!xemac_add(netif, &ipaddr, &netmask, &gw, mac_ethernet_address, PLATFORM_EMAC_BASEADDR)) {
xil_printf("Error adding N/W interface\r\n");
return;
}
#else
/* Add network interface to the netif_list, and set it as default */
if (!xemac_add(netif, NULL, NULL, NULL, mac_ethernet_address, PLATFORM_EMAC_BASEADDR)) {
xil_printf("Error adding N/W interface\r\n");
return;
}
netif->ip6_autoconfig_enabled = 1;
netif_create_ip6_linklocal_address(netif, 1);
netif_ip6_addr_set_state(netif, 0, IP6_ADDR_VALID);
print_ip6("\n\rBoard IPv6 address ", &netif->ip6_addr[0].u_addr.ip6);
#endif
netif_set_default(netif);
/* specify that the network if is up */
netif_set_up(netif);
/* start packet receive thread - required for lwIP operation */
sys_thread_new("xemacif_input_thread", (void(*)(void*))xemacif_input_thread, netif,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
#if LWIP_IPV6==0
#if LWIP_DHCP==1
dhcp_start(netif);
while (1) {
vTaskDelay(DHCP_FINE_TIMER_MSECS / portTICK_RATE_MS);
dhcp_fine_tmr();
mscnt += DHCP_FINE_TIMER_MSECS;
if (mscnt >= DHCP_COARSE_TIMER_SECS*1000) {
dhcp_coarse_tmr();
mscnt = 0;
}
}
#else
xil_printf("\r\n");
xil_printf("%20s %6s %s\r\n", "Server", "Port", "Connect With..");
xil_printf("%20s %6s %s\r\n", "--------------------", "------", "--------------------");
print_echo_app_header();
xil_printf("\r\n");
sys_thread_new("echod", echo_application_thread, 0,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
vTaskDelete(NULL);
#endif
#else
print_echo_app_header();
xil_printf("\r\n");
sys_thread_new("echod",echo_application_thread, 0,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
vTaskDelete(NULL);
#endif
return;
}
int main_thread()
{
#if LWIP_DHCP==1
int mscnt = 0;
#endif
#ifdef XPS_BOARD_ZCU102
IicPhyReset();
#endif
/* initialize lwIP before calling sys_thread_new */
lwip_init();
/* any thread using lwIP should be created using sys_thread_new */
sys_thread_new("NW_THRD", network_thread, NULL,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
#if LWIP_IPV6==0
#if LWIP_DHCP==1
while (1) {
vTaskDelay(DHCP_FINE_TIMER_MSECS / portTICK_RATE_MS);
if (server_netif.ip_addr.addr) {
xil_printf("DHCP request success\r\n");
print_ip_settings(&(server_netif.ip_addr), &(server_netif.netmask), &(server_netif.gw));
print_echo_app_header();
xil_printf("\r\n");
sys_thread_new("echod", echo_application_thread, 0,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
break;
}
mscnt += DHCP_FINE_TIMER_MSECS;
if (mscnt >= DHCP_COARSE_TIMER_SECS * 2000) {
xil_printf("ERROR: DHCP request timed out\r\n");
xil_printf("Configuring default IP of 192.168.1.10\r\n");
IP4_ADDR(&(server_netif.ip_addr), 192, 168, 1, 10);
IP4_ADDR(&(server_netif.netmask), 255, 255, 255, 0);
IP4_ADDR(&(server_netif.gw), 192, 168, 1, 1);
print_ip_settings(&(server_netif.ip_addr), &(server_netif.netmask), &(server_netif.gw));
/* print all application headers */
xil_printf("\r\n");
xil_printf("%20s %6s %s\r\n", "Server", "Port", "Connect With..");
xil_printf("%20s %6s %s\r\n", "--------------------", "------", "--------------------");
print_echo_app_header();
xil_printf("\r\n");
sys_thread_new("echod", echo_application_thread, 0,
THREAD_STACKSIZE,
DEFAULT_THREAD_PRIO);
break;
}
}
#endif
#endif
vTaskDelete(NULL);
return 0;
}