void w5500_dhcp_assign()
{
S2E_Packet *value = get_S2E_Packet_pointer();
wiz_NetInfo gWIZNETINFO;
getIPfromDHCP(gWIZNETINFO.ip);
getGWfromDHCP(gWIZNETINFO.gw);
getSNfromDHCP(gWIZNETINFO.sn);
getDNSfromDHCP(gWIZNETINFO.dns);
get_S2E_Packet_value(gWIZNETINFO.mac, value->network_info_common.mac, sizeof(gWIZNETINFO.mac[0]) * 6);
set_S2E_Packet_value(value->network_info_common.local_ip, gWIZNETINFO.ip, sizeof(value->network_info_common.local_ip));
set_S2E_Packet_value(value->network_info_common.gateway, gWIZNETINFO.gw, sizeof(value->network_info_common.gateway));
set_S2E_Packet_value(value->network_info_common.subnet, gWIZNETINFO.sn, sizeof(value->network_info_common.subnet));
set_S2E_Packet_value(value->options.dns_server_ip, gWIZNETINFO.dns, sizeof(value->options.dns_server_ip));
if(value->options.dhcp_use)
gWIZNETINFO.dhcp = NETINFO_DHCP;
else
gWIZNETINFO.dhcp = NETINFO_STATIC;
ctlnetwork(CN_SET_NETINFO, (void*) &gWIZNETINFO);
// display_Net_Info();
// printf("DHCP LEASED TIME : %d sec. \r\n", getDHCPLeasetime());
}
void set_S2E_Packet(wiz_NetInfo *net)
{
set_S2E_Packet_value(s2e_packet.network_info_common.mac, net->mac, sizeof(s2e_packet.network_info_common.mac));
set_S2E_Packet_value(s2e_packet.network_info_common.local_ip, net->ip, sizeof(s2e_packet.network_info_common.local_ip));
set_S2E_Packet_value(s2e_packet.network_info_common.gateway, net->gw, sizeof(s2e_packet.network_info_common.gateway));
set_S2E_Packet_value(s2e_packet.network_info_common.subnet, net->sn, sizeof(s2e_packet.network_info_common.subnet));
set_S2E_Packet_value(s2e_packet.options.dns_server_ip, net->dns, sizeof(s2e_packet.options.dns_server_ip));
if(net->dhcp == NETINFO_STATIC)
s2e_packet.options.dhcp_use = 0;
else
s2e_packet.options.dhcp_use = 1;
}
static void process_set_info(uint8_t sock, Remote_Info *remote_info, WIZnet_Header *wiznet_header)
{
uint16_t len;
uint8_t buffer[sizeof(WIZnet_Header) + sizeof(WIZnet_Set_Info_Reply)];
uint32_t ptr;
WIZnet_Set_Info set_info;
WIZnet_Set_Info_Reply reply;
S2E_Packet *s2e_packet = get_S2E_Packet_pointer();
uint8_t ip[4];
uint16_t port;
getsockopt(sock, SO_REMAINSIZE, &len);
if(len != wiznet_header->length)
return;
recvfrom(sock, (uint8_t *)&set_info, sizeof(WIZnet_Set_Info), ip, &port);
if((wiznet_header->valid & 0x80))
decrypt((wiznet_header->valid & 0x7F), (uint8_t *)&set_info, len);
if(memcmp(set_info.dst_mac_address, s2e_packet->network_info_common.mac, 6))
return;
if(strcmp((char *)set_info.set_pw, (char *)s2e_packet->options.pw_setting))
return;
//update config msg
set_S2E_Packet_value(s2e_packet, &set_info.system_info, sizeof(S2E_Packet));
s2e_packet->fw_ver[0] = MAJOR_VER;
s2e_packet->fw_ver[1] = MINOR_VER;
s2e_packet->fw_ver[2] = MAINTENANCE_VER;
//save to storage
save_S2E_Packet_to_storage();
// reply
wiznet_header->length = sizeof(WIZnet_Set_Info_Reply);
wiznet_header->op_code[1] = WIZNET_REPLY;
memcpy(reply.src_mac_address, s2e_packet->network_info_common.mac, 6);
memcpy(&reply.system_info, s2e_packet, sizeof(S2E_Packet));
if((wiznet_header->valid & 0x80))
encrypt((wiznet_header->valid & 0x7F), (uint8_t *)&reply, sizeof(WIZnet_Set_Info_Reply));
ptr = 0;
memcpy(buffer, wiznet_header, sizeof(WIZnet_Header));
ptr += sizeof(WIZnet_Header);
memcpy(buffer + ptr, (void *)&reply, sizeof(WIZnet_Set_Info_Reply));
ptr += sizeof(WIZnet_Set_Info_Reply);
if(wiznet_header->unicast == 0) {
memset(remote_info->ip, 255, 4);
}
sendto(sock, buffer, ptr, remote_info->ip, remote_info->port);
delay_cnt(100);
NVIC_SystemReset();
}
