static int app_dhcp_main(void)
{
uint32_t timeleft = 15000;
struct dhcpc_state state;
void *dhcp_handle;
int ret;
dhcp_handle = dhcpc_open(NET_DEVNAME);
ret = dhcpc_request(dhcp_handle, &state);
while (ret != OK) {
usleep(10);
//sys_msleep(10);
timeleft -= 10;
if (timeleft <= 0)
break;
}
if (timeleft <= 0) {
dhcpc_close(dhcp_handle);
return -1;
}
netlib_set_ipv4addr(NET_DEVNAME, &state.ipaddr);
netlib_set_ipv4netmask(NET_DEVNAME, &state.netmask);
netlib_set_dripv4addr(NET_DEVNAME, &state.default_router);
printf("IP address : %s ----\n", inet_ntoa(state.ipaddr));
return 1;
}
void Network::init(void)
{
// two timers for tcp/ip
timer_set(&periodic_timer, CLOCK_SECOND / 2); /* 0.5s */
timer_set(&arp_timer, CLOCK_SECOND * 10); /* 10s */
// Initialize the uIP TCP/IP stack.
uip_init();
uip_setethaddr(mac_address);
if (!use_dhcp) { // manual setup of ip
uip_ipaddr_t tip; /* local IP address */
uip_ipaddr(tip, ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
uip_sethostaddr(tip); /* host IP address */
printf("IP Addr: %d.%d.%d.%d\n", ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
uip_ipaddr(tip, ipgw[0], ipgw[1], ipgw[2], ipgw[3]);
uip_setdraddr(tip); /* router IP address */
printf("IP GW: %d.%d.%d.%d\n", ipgw[0], ipgw[1], ipgw[2], ipgw[3]);
uip_ipaddr(tip, ipmask[0], ipmask[1], ipmask[2], ipmask[3]);
uip_setnetmask(tip); /* mask */
printf("IP mask: %d.%d.%d.%d\n", ipmask[0], ipmask[1], ipmask[2], ipmask[3]);
setup_servers();
}else{
#if UIP_CONF_UDP
dhcpc_init(mac_address, sizeof(mac_address));
dhcpc_request();
printf("Getting IP address....\n");
#endif
}
}
//配置网卡硬件，并设置MAC地址
//返回值：0，正常；1，失败；
u8 tapdev_init(void)
{
u32 wait_count;
u8 i, res = 0;
#ifndef DHCP_ENABLE
uip_ipaddr_t ipaddr;
#endif
res = ENC28J60_Init((u8*)Modbus.mac_addr); //初始化ENC28J60
//把IP地址和MAC地址写入缓存区
for (i = 0; i < 6; i++)
{
uip_ethaddr.addr[i] = Modbus.mac_addr[i];
}
//指示灯状态:0x476 is PHLCON LEDA(绿)=links status, LEDB(红)=receive/transmit
//PHLCON：PHY 模块LED 控制寄存器
ENC28J60_PHY_Write(PHLCON, 0x0476);
uip_init(); //uIP初始化
if(Modbus.tcp_type == 0)
{
U8_T temp[4];
uip_ipaddr(ipaddr, Modbus.ip_addr[0], Modbus.ip_addr[1], Modbus.ip_addr[2], Modbus.ip_addr[3]); //设置本地设置IP地址
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, Modbus.getway[0], Modbus.getway[1], Modbus.getway[2], Modbus.getway[3]); //设置网关IP地址(其实就是你路由器的IP地址)
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, Modbus.subnet[0], Modbus.subnet[1], Modbus.subnet[2], Modbus.subnet[3]); //设置网络掩码
uip_setnetmask(ipaddr);
// flag_dhcp_configured = 2;
temp[0] = Modbus.ip_addr[0];
temp[1] = Modbus.ip_addr[1];
temp[2] = Modbus.ip_addr[2];
temp[3] = Modbus.ip_addr[3];
temp[0] |= (255 - Modbus.subnet[0]);
temp[1] |= (255 - Modbus.subnet[1]);
temp[2] |= (255 - Modbus.subnet[2]);
temp[3] |= (255 - Modbus.subnet[3]);
uip_ipaddr(uip_hostaddr_submask,temp[0], temp[1],temp[2] ,temp[3]);
delay_ms(1);
}
else // DHCP
{
// flag_dhcp_configured = 0;
dhcpc_init(Modbus.mac_addr, 6);
dhcpc_request();
}
// printf("res=%u\n\r",res);
return res;
}
void protocol_switcher_app_init(void)
{
telnet_client_init();
siemensTCP_app_init();
specserver_app_init();
webclient_init();
httpd_init();
resolv_init();
#ifndef USE_STATIC_IP
// Initialize the DHCP Client Application.
static struct uip_eth_addr sTempAddr;
uip_getethaddr(sTempAddr);
dhcpc_init(&sTempAddr.addr[0], 6);
dhcpc_request();
#else
uip_ip4addr_t uip_dnsaddr;
uip_ipaddr(uip_dnsaddr, DNS_IP1, DNS_IP2, DNS_IP3, DNS_IP4 );
resolv_conf(uip_dnsaddr);
#endif
}
// Init application
void elua_uip_init( const struct uip_eth_addr *paddr )
{
// Set hardware address
uip_setethaddr( (*paddr) );
// Initialize the uIP TCP/IP stack.
uip_init();
uip_arp_init();
#ifdef BUILD_DHCPC
dhcpc_init( paddr->addr, sizeof( *paddr ) );
dhcpc_request();
#else
elua_uip_conf_static();
#endif
resolv_init();
#ifdef BUILD_CON_TCP
uip_listen( HTONS( ELUA_NET_TELNET_PORT ) );
#endif
}
/****************************************************************************
* Name: dhcp_client_start
****************************************************************************/
int dhcp_client_start(const char *intf)
{
struct dhcpc_state state;
int ret;
void *dhcp_hnd = NULL;
ndbg("[DHCPC] External DHCPC application started\n");
dhcp_hnd = dhcpc_open(intf);
if (dhcp_hnd) {
ret = dhcpc_request(dhcp_hnd, &state);
if (ret != OK) {
ndbg("[DHCPC] get IP address fail\n");
dhcpc_close(dhcp_hnd);
return -1;
}
DHCPC_SET_IP4ADDR(intf, state.ipaddr, state.netmask, state.default_router);
ndbg("[DHCPC] IP address : %s ----\n", inet_ntoa(state.ipaddr));
dhcpc_close(dhcp_hnd);
} else {
ndbg("[DHCPC] Invalid dhcp handle\n");
return -1;
}
return OK;
}
static int tcpecho_netsetup()
{
/* If this task is excecutated as an NSH built-in function, then the
* network has already been configured by NSH's start-up logic.
*/
#ifndef CONFIG_NSH_BUILTIN_APPS
struct in_addr addr;
#if defined(CONFIG_EXAMPLES_TCPECHO_DHCPC) || defined(CONFIG_EXAMPLES_TCPECHO_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
#ifdef CONFIG_EXAMPLES_TCPECHO_DHCPC
struct dhcpc_state ds;
void *handle;
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLES_TCPECHO_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
netlib_setmacaddr("eth0", mac);
#endif
/* Set up our host address */
#ifdef CONFIG_EXAMPLES_TCPECHO_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLES_TCPECHO_IPADDR);
#endif
netlib_set_ipv4addr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLES_TCPECHO_DRIPADDR);
netlib_set_dripv4addr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLES_TCPECHO_NETMASK);
netlib_set_ipv4netmask("eth0", &addr);
#ifdef CONFIG_EXAMPLES_TCPECHO_DHCPC
/* Get the MAC address of the NIC */
netlib_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open(&mac, IFHWADDRLEN);
/* Get an IP address. Note: there is no logic here for renewing the address in this
* example. The address should be renewed in ds.lease_time/2 seconds.
*/
if (!handle)
{
return ERROR;
}
if (dhcpc_request(handle, &ds) != OK)
{
return ERROR;
}
netlib_set_ipv4addr("eth0", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
netlib_set_ipv4netmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
netlib_set_dripv4addr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
netlib_set_ipv4dnsaddr(&ds.dnsaddr);
}
dhcpc_close(handle);
printf("IP: %s\n", inet_ntoa(ds.ipaddr));
#endif /* CONFIG_EXAMPLES_TCPECHO_DHCPC */
#endif /* CONFIG_NSH_BUILTIN_APPS */
return OK;
}
/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(dhcp_process, ev, data)
{
PROCESS_BEGIN();
ctk_window_new(&window, 29, 14, "DHCP client");
CTK_WIDGET_ADD(&window, &requestbutton);
CTK_WIDGET_ADD(&window, &statuslabel);
CTK_WIDGET_ADD(&window, &ipaddrlabel);
CTK_WIDGET_ADD(&window, &ipaddrtextentry);
CTK_WIDGET_ADD(&window, &netmasklabel);
CTK_WIDGET_ADD(&window, &netmasktextentry);
CTK_WIDGET_ADD(&window, &gatewaylabel);
CTK_WIDGET_ADD(&window, &gatewaytextentry);
#if WITH_DNS
CTK_WIDGET_ADD(&window, &dnsserverlabel);
CTK_WIDGET_ADD(&window, &dnsservertextentry);
#endif /* WITH_DNS */
CTK_WIDGET_ADD(&window, &savebutton);
CTK_WIDGET_ADD(&window, &cancelbutton);
CTK_WIDGET_FOCUS(&window, &requestbutton);
ctk_window_open(&window);
/* Allow resolver to set DNS server address. */
process_post(PROCESS_CURRENT(), PROCESS_EVENT_MSG, NULL);
dhcpc_init(uip_ethaddr.addr, sizeof(uip_ethaddr.addr));
while(1) {
PROCESS_WAIT_EVENT();
if(ev == PROCESS_EVENT_MSG) {
makestrings();
ctk_window_redraw(&window);
} else if(ev == tcpip_event) {
dhcpc_appcall(ev, data);
} else if(ev == ctk_signal_button_activate) {
if(data == (process_data_t)&requestbutton) {
dhcpc_request();
set_statustext("Requesting...");
}
if(data == (process_data_t)&savebutton) {
apply_tcpipconfig();
app_quit();
}
if(data == (process_data_t)&cancelbutton) {
app_quit();
}
} else if(
#if CTK_CONF_WINDOWCLOSE
ev == ctk_signal_window_close ||
#endif
ev == PROCESS_EVENT_EXIT) {
app_quit();
}
}
PROCESS_END();
}
void main(void) {
static struct uip_eth_addr eth_addr;
uip_ipaddr_t ipaddr;
cpu_init();
uart_init();
printf("Welcome\n");
spi_init();
enc28j60_comm_init();
printf("Welcome\n");
enc_init(mac_addr);
//
// Configure SysTick for a periodic interrupt.
//
MAP_SysTickPeriodSet(MAP_SysCtlClockGet() / SYSTICKHZ);
MAP_SysTickEnable();
MAP_SysTickIntEnable();
//MAP_IntEnable(INT_GPIOA);
MAP_IntEnable(INT_GPIOE);
MAP_IntMasterEnable();
MAP_SysCtlPeripheralClockGating(false);
printf("int enabled\n");
MAP_GPIOIntTypeSet(GPIO_PORTE_BASE, ENC_INT, GPIO_FALLING_EDGE);
MAP_GPIOPinIntClear(GPIO_PORTE_BASE, ENC_INT);
MAP_GPIOPinIntEnable(GPIO_PORTE_BASE, ENC_INT);
uip_init();
eth_addr.addr[0] = mac_addr[0];
eth_addr.addr[1] = mac_addr[1];
eth_addr.addr[2] = mac_addr[2];
eth_addr.addr[3] = mac_addr[3];
eth_addr.addr[4] = mac_addr[4];
eth_addr.addr[5] = mac_addr[5];
uip_setethaddr(eth_addr);
#define DEFAULT_IPADDR0 10
#define DEFAULT_IPADDR1 0
#define DEFAULT_IPADDR2 0
#define DEFAULT_IPADDR3 201
#define DEFAULT_NETMASK0 255
#define DEFAULT_NETMASK1 255
#define DEFAULT_NETMASK2 255
#define DEFAULT_NETMASK3 0
#undef STATIC_IP
#ifdef STATIC_IP
uip_ipaddr(ipaddr, DEFAULT_IPADDR0, DEFAULT_IPADDR1, DEFAULT_IPADDR2,
DEFAULT_IPADDR3);
uip_sethostaddr(ipaddr);
printf("IP: %d.%d.%d.%d\n", DEFAULT_IPADDR0, DEFAULT_IPADDR1,
DEFAULT_IPADDR2, DEFAULT_IPADDR3);
uip_ipaddr(ipaddr, DEFAULT_NETMASK0, DEFAULT_NETMASK1, DEFAULT_NETMASK2,
DEFAULT_NETMASK3);
uip_setnetmask(ipaddr);
#else
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_sethostaddr(ipaddr);
printf("Waiting for IP address...\n");
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_setnetmask(ipaddr);
#endif
httpd_init();
#ifndef STATIC_IP
dhcpc_init(mac_addr, 6);
dhcpc_request();
#endif
long lPeriodicTimer, lARPTimer;
lPeriodicTimer = lARPTimer = 0;
int i; // = MAP_GPIOPinRead(GPIO_PORTA_BASE, ENC_INT) & ENC_INT;
while(true) {
//MAP_IntDisable(INT_UART0);
MAP_SysCtlSleep();
//MAP_IntEnable(INT_UART0);
//i = MAP_GPIOPinRead(GPIO_PORTA_BASE, ENC_INT) & ENC_INT;
/*while(i != 0 && g_ulFlags == 0) {
i = MAP_GPIOPinRead(GPIO_PORTA_BASE, ENC_INT) & ENC_INT;
}*/
if( HWREGBITW(&g_ulFlags, FLAG_ENC_INT) == 1 ) {
HWREGBITW(&g_ulFlags, FLAG_ENC_INT) = 0;
enc_action();
}
if(HWREGBITW(&g_ulFlags, FLAG_SYSTICK) == 1) {
HWREGBITW(&g_ulFlags, FLAG_SYSTICK) = 0;
lPeriodicTimer += SYSTICKMS;
lARPTimer += SYSTICKMS;
//printf("%d %d\n", lPeriodicTimer, lARPTimer);
}
if( lPeriodicTimer > UIP_PERIODIC_TIMER_MS ) {
lPeriodicTimer = 0;
int l;
for(l = 0; l < UIP_CONNS; l++) {
uip_periodic(l);
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0) {
uip_arp_out();
enc_send_packet(uip_buf, uip_len);
uip_len = 0;
}
}
for(l = 0; l < UIP_UDP_CONNS; l++) {
uip_udp_periodic(l);
if( uip_len > 0) {
uip_arp_out();
enc_send_packet(uip_buf, uip_len);
uip_len = 0;
}
}
}
if( lARPTimer > UIP_ARP_TIMER_MS) {
lARPTimer = 0;
uip_arp_timer();
}
}
}
//*****************************************************************************
//
// This example demonstrates the use of the Ethernet Controller with the uIP
// TCP/IP stack.
//
//*****************************************************************************
int
main(void)
{
uip_ipaddr_t ipaddr;
static struct uip_eth_addr sTempAddr;
long lPeriodicTimer, lARPTimer, lPacketLength;
unsigned long ulUser0, ulUser1;
unsigned long ulTemp;
//
// Set the clocking to run directly from the crystal.
//
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Initialize the OLED display.
//
RIT128x96x4Init(1000000);
RIT128x96x4StringDraw("Ethernet with uIP", 12, 0, 15);
//
// Enable and Reset the Ethernet Controller.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);
SysCtlPeripheralReset(SYSCTL_PERIPH_ETH);
//
// Enable Port F for Ethernet LEDs.
// LED0 Bit 3 Output
// LED1 Bit 2 Output
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);
//
// Configure SysTick for a periodic interrupt.
//
SysTickPeriodSet(SysCtlClockGet() / SYSTICKHZ);
SysTickEnable();
SysTickIntEnable();
//
// Intialize the Ethernet Controller and disable all Ethernet Controller
// interrupt sources.
//
EthernetIntDisable(ETH_BASE, (ETH_INT_PHY | ETH_INT_MDIO | ETH_INT_RXER |
ETH_INT_RXOF | ETH_INT_TX | ETH_INT_TXER | ETH_INT_RX));
ulTemp = EthernetIntStatus(ETH_BASE, false);
EthernetIntClear(ETH_BASE, ulTemp);
//
// Initialize the Ethernet Controller for operation.
//
EthernetInitExpClk(ETH_BASE, SysCtlClockGet());
//
// Configure the Ethernet Controller for normal operation.
// - Full Duplex
// - TX CRC Auto Generation
// - TX Padding Enabled
//
EthernetConfigSet(ETH_BASE, (ETH_CFG_TX_DPLXEN | ETH_CFG_TX_CRCEN |
ETH_CFG_TX_PADEN));
//
// Wait for the link to become active.
//
RIT128x96x4StringDraw("Waiting for Link", 12, 8, 15);
ulTemp = EthernetPHYRead(ETH_BASE, PHY_MR1);
while((ulTemp & 0x0004) == 0)
{
ulTemp = EthernetPHYRead(ETH_BASE, PHY_MR1);
}
RIT128x96x4StringDraw("Link Established", 12, 16, 15);
//
// Enable the Ethernet Controller.
//
EthernetEnable(ETH_BASE);
//
// Enable the Ethernet interrupt.
//
IntEnable(INT_ETH);
//
// Enable the Ethernet RX Packet interrupt source.
//
EthernetIntEnable(ETH_BASE, ETH_INT_RX);
//
// Enable all processor interrupts.
//
IntMasterEnable();
//
// Initialize the uIP TCP/IP stack.
//
uip_init();
#ifdef USE_STATIC_IP
uip_ipaddr(ipaddr, DEFAULT_IPADDR0, DEFAULT_IPADDR1, DEFAULT_IPADDR2,
DEFAULT_IPADDR3);
uip_sethostaddr(ipaddr);
DisplayIPAddress(ipaddr, 18, 24);
uip_ipaddr(ipaddr, DEFAULT_NETMASK0, DEFAULT_NETMASK1, DEFAULT_NETMASK2,
DEFAULT_NETMASK3);
uip_setnetmask(ipaddr);
#else
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_sethostaddr(ipaddr);
DisplayIPAddress(ipaddr, 18, 24);
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_setnetmask(ipaddr);
#endif
//
// Configure the hardware MAC address for Ethernet Controller filtering of
// incoming packets.
//
// For the Ethernet Eval Kits, the MAC address will be stored in the
// non-volatile USER0 and USER1 registers. These registers can be read
// using the FlashUserGet function, as illustrated below.
//
FlashUserGet(&ulUser0, &ulUser1);
if((ulUser0 == 0xffffffff) || (ulUser1 == 0xffffffff))
{
//
// We should never get here. This is an error if the MAC address has
// not been programmed into the device. Exit the program.
//
RIT128x96x4StringDraw("MAC Address", 0, 16, 15);
RIT128x96x4StringDraw("Not Programmed!", 0, 24, 15);
while(1)
{
}
}
//
// Convert the 24/24 split MAC address from NV ram into a 32/16 split MAC
// address needed to program the hardware registers, then program the MAC
// address into the Ethernet Controller registers.
//
sTempAddr.addr[0] = ((ulUser0 >> 0) & 0xff);
sTempAddr.addr[1] = ((ulUser0 >> 8) & 0xff);
sTempAddr.addr[2] = ((ulUser0 >> 16) & 0xff);
sTempAddr.addr[3] = ((ulUser1 >> 0) & 0xff);
sTempAddr.addr[4] = ((ulUser1 >> 8) & 0xff);
sTempAddr.addr[5] = ((ulUser1 >> 16) & 0xff);
//
// Program the hardware with it's MAC address (for filtering).
//
EthernetMACAddrSet(ETH_BASE, (unsigned char *)&sTempAddr);
uip_setethaddr(sTempAddr);
//
// Initialize the TCP/IP Application (e.g. web server).
//
httpd_init();
#ifndef USE_STATIC_IP
//
// Initialize the DHCP Client Application.
//
dhcpc_init(&sTempAddr.addr[0], 6);
dhcpc_request();
#endif
//
// Main Application Loop.
//
lPeriodicTimer = 0;
lARPTimer = 0;
while(true)
{
//
// Wait for an event to occur. This can be either a System Tick event,
// or an RX Packet event.
//
while(!g_ulFlags)
{
}
//
// If SysTick, Clear the SysTick interrupt flag and increment the
// timers.
//
if(HWREGBITW(&g_ulFlags, FLAG_SYSTICK) == 1)
{
HWREGBITW(&g_ulFlags, FLAG_SYSTICK) = 0;
lPeriodicTimer += SYSTICKMS;
lARPTimer += SYSTICKMS;
}
//
// Check for an RX Packet and read it.
//
lPacketLength = EthernetPacketGetNonBlocking(ETH_BASE, uip_buf,
sizeof(uip_buf));
if(lPacketLength > 0)
{
//
// Set uip_len for uIP stack usage.
//
uip_len = (unsigned short)lPacketLength;
//
// Clear the RX Packet event and renable RX Packet interrupts.
//
if(HWREGBITW(&g_ulFlags, FLAG_RXPKT) == 1)
{
HWREGBITW(&g_ulFlags, FLAG_RXPKT) = 0;
EthernetIntEnable(ETH_BASE, ETH_INT_RX);
}
//
// Process incoming IP packets here.
//
if(BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_arp_ipin();
uip_input();
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
//
// Process incoming ARP packets here.
//
else if(BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
}
//
// Process TCP/IP Periodic Timer here.
//
if(lPeriodicTimer > UIP_PERIODIC_TIMER_MS)
{
lPeriodicTimer = 0;
for(ulTemp = 0; ulTemp < UIP_CONNS; ulTemp++)
{
uip_periodic(ulTemp);
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
#if UIP_UDP
for(ulTemp = 0; ulTemp < UIP_UDP_CONNS; ulTemp++)
{
uip_udp_periodic(ulTemp);
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
#endif // UIP_UDP
}
//
// Process ARP Timer here.
//
if(lARPTimer > UIP_ARP_TIMER_MS)
{
lARPTimer = 0;
uip_arp_timer();
}
}
}
int main(void)
{
led_conf();
int i;
uip_ipaddr_t ipaddr;
struct timer periodic_timer, arp_timer;
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
WDTCSR |= _BV(_WD_CHANGE_BIT) | _BV(WDE);
WDTCSR = 0;
network_init();
clock_init();
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
uip_init();
phys_init();
// must be done or sometimes arp doesn't work
uip_arp_init();
_enable_dhcp=eeprom_read_byte(&ee_enable_dhcp);
if ((_enable_dhcp != 1) && (_enable_dhcp != 0))
{ // if the setting is invalid, enable by default
_enable_dhcp = 1;
eeprom_write_byte(&ee_enable_dhcp,_enable_dhcp);
}
eeprom_read_block ((void *)_eth_addr, (const void *)&ee_eth_addr,6);
// if the mac address in eeprom looks good, use it.
if((_eth_addr[0] != 255) && (_eth_addr[0] != 0))
{
my_eth_addr.addr[0] = _eth_addr[0];
my_eth_addr.addr[1] = _eth_addr[1];
my_eth_addr.addr[2] = _eth_addr[2];
my_eth_addr.addr[3] = _eth_addr[3];
my_eth_addr.addr[4] = _eth_addr[4];
my_eth_addr.addr[5] = _eth_addr[5];
}
uip_setethaddr(my_eth_addr);
_enable_dhcp = 1;
if (_enable_dhcp)
{
#ifdef __DHCPC_H__
// setup the dhcp renew timer the make the first request
timer_set(&dhcp_timer, CLOCK_SECOND * 600);
dhcpc_init(&my_eth_addr, 6);
dhcpc_request();
#endif
}
else
{
eeprom_read_block ((void *)_ip_addr, (const void *)&ee_ip_addr,4);
eeprom_read_block ((void *)_net_mask,(const void *)&ee_net_mask,4);
eeprom_read_block ((void *)_gateway, (const void *)&ee_gateway,4);
// if the IP looks good in flash, use it
if ((_ip_addr[0] != 255) && (_ip_addr[0] != 0))
{
uip_ipaddr(ipaddr, _ip_addr[0], _ip_addr[1], _ip_addr[2], _ip_addr[3]);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, _gateway[0], _gateway[1], _gateway[2], _gateway[3]);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, _net_mask[0], _net_mask[1], _net_mask[2], _net_mask[3]);
uip_setnetmask(ipaddr);
}
else
{ // ip in flash didn't look good... use default
uip_ipaddr(ipaddr, UIP_IPADDR0, UIP_IPADDR1, UIP_IPADDR2, UIP_IPADDR3);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, UIP_DRIPADDR0, UIP_DRIPADDR1, UIP_DRIPADDR2, UIP_DRIPADDR3);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, UIP_NETMASK0, UIP_NETMASK1, UIP_NETMASK2, UIP_NETMASK3);
uip_setnetmask(ipaddr);
}
}
jsoncmd_init();
while (1) {
uip_len = network_read();
if(uip_len > 0) {
if(BUF->type == htons(UIP_ETHTYPE_IP))
{
led_on(5);
uip_arp_ipin(); // arp seems to have issues w/o this
uip_input();
if(uip_len > 0)
{
uip_arp_out();
network_send();
}
}
else if(BUF->type == htons(UIP_ETHTYPE_ARP))
{
led_on(4);
uip_arp_arpin(); // this is correct
if(uip_len > 0)
{
network_send();
}
}
}
else if(timer_expired(&periodic_timer))
{
led_off(4);
led_off(5);
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++)
{
uip_periodic(i);
if(uip_len > 0)
{
uip_arp_out();
network_send();
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udp_periodic(i);
if(uip_len > 0)
{
uip_arp_out();
network_send();
}
}
#endif /* UIP_UDP */
if(timer_expired(&arp_timer))
{
timer_reset(&arp_timer);
uip_arp_timer();
}
}
else if (_enable_dhcp && timer_expired(&dhcp_timer))
{
#ifdef __DHCPC_H__
led_on(3);
// for now turn off the led when we start the dhcp process
dhcpc_renew();
timer_reset(&dhcp_timer);
#endif
}
}
return 0;
}
int user_start(int argc, char *argv[])
{
struct in_addr addr;
#if defined(CONFIG_EXAMPLE_UIP_DHCPC) || defined(CONFIG_EXAMPLE_UIP_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
#ifdef CONFIG_EXAMPLE_UIP_DHCPC
void *handle;
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLE_UIP_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xb0;
mac[3] = 0x0b;
mac[4] = 0xba;
mac[5] = 0xbe;
uip_setmacaddr("eth0", mac);
#endif
/* Set up our host address */
#ifdef CONFIG_EXAMPLE_UIP_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLE_UIP_IPADDR);
#endif
uip_sethostaddr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLE_UIP_DRIPADDR);
uip_setdraddr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLE_UIP_NETMASK);
uip_setnetmask("eth0", &addr);
#ifdef CONFIG_EXAMPLE_UIP_DHCPC
/* Set up the resolver */
resolv_init();
/* Get the MAC address of the NIC */
uip_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open(&mac, IFHWADDRLEN);
/* Get an IP address. Note: there is no logic here for renewing the address in this
* example. The address should be renewed in ds.lease_time/2 seconds.
*/
printf("Getting IP address\n");
if (handle)
{
struct dhcpc_state ds;
(void)dhcpc_request(handle, &ds);
uip_sethostaddr("eth1", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
uip_setnetmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
uip_setdraddr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
resolv_conf(&ds.dnsaddr);
}
dhcpc_close(handle);
printf("IP: %s\n", inet_ntoa(ds.ipaddr));
}
#endif
#ifdef CONFIG_NET_TCP
printf("Starting webserver\n");
httpd_init();
httpd_listen();
#endif
while(1)
{
sleep(3);
printf("main: Still running\n");
#if CONFIG_NFILE_DESCRIPTORS > 0
fflush(stdout);
#endif
}
return 0;
}
int discover_main(int argc, char *argv[])
{
/* If this task is excecutated as an NSH built-in function, then the
* network has already been configured by NSH's start-up logic.
*/
#ifndef CONFIG_NSH_BUILTIN_APPS
struct in_addr addr;
#if defined(CONFIG_EXAMPLES_DISCOVER_DHCPC) || defined(CONFIG_EXAMPLES_DISCOVER_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
void *handle;
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLES_DISCOVER_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
uip_setmacaddr("eth0", mac);
#endif
/* Set up our host address */
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLES_DISCOVER_IPADDR);
#endif
uip_sethostaddr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLES_DISCOVER_DRIPADDR);
uip_setdraddr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLES_DISCOVER_NETMASK);
uip_setnetmask("eth0", &addr);
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
/* Set up the resolver */
dns_bind();
/* Get the MAC address of the NIC */
uip_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open(&mac, IFHWADDRLEN);
/* Get an IP address. Note: there is no logic here for renewing the address in this
* example. The address should be renewed in ds.lease_time/2 seconds.
*/
printf("Getting IP address\n");
if (handle)
{
struct dhcpc_state ds;
(void)dhcpc_request(handle, &ds);
uip_sethostaddr("eth1", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
uip_setnetmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
uip_setdraddr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
dns_setserver(&ds.dnsaddr);
}
dhcpc_close(handle);
printf("IP: %s\n", inet_ntoa(ds.ipaddr));
}
#endif /* CONFIG_EXAMPLES_DISCOVER_DHCPC */
#endif /* CONFIG_NSH_BUILTIN_APPS */
if (discover_start(NULL) < 0)
{
ndbg("Could not start discover daemon.\n");
return ERROR;
}
return OK;
}
static inline void wlan_bringup(void)
{
#if defined(CONFIG_EXAMPLES_WLAN_DHCPC) || defined(CONFIG_EXAMPLES_WLAN_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
struct in_addr addr;
#ifdef CONFIG_EXAMPLES_WLAN_DHCPC
void *handle;
#endif
/* Many embedded network interfaces must have a software assigned
* MAC
*/
#ifdef CONFIG_EXAMPLES_WLAN_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
uip_setmacaddr("eth0", mac);
#endif
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLES_WLAN_DRIPADDR);
uip_setdraddr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLES_WLAN_NETMASK);
uip_setnetmask("eth0", &addr);
/* Set up our host address */
#ifdef CONFIG_EXAMPLES_WLAN_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLES_WLAN_IPADDR);
#endif
uip_sethostaddr("eth0", &addr);
#ifdef CONFIG_EXAMPLES_WLAN_DHCPC
/* Set up the resolver */
resolv_init();
/* Get the MAC address of the NIC */
uip_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open(&mac, IFHWADDRLEN);
/* Get an IP address. Note: there is no logic here for renewing
* the address in this example. The address should be renewed in
* ds.lease_time/2 seconds.
*/
printf("Getting IP address\n");
if (handle)
{
struct dhcpc_state ds;
(void)dhcpc_request(handle, &ds);
uip_sethostaddr("eth1", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
uip_setnetmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
uip_setdraddr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
resolv_conf(&ds.dnsaddr);
}
dhcpc_close(handle);
printf("IP: %s\n", inet_ntoa(ds.ipaddr));
}
#endif
}
