void init_ethernet(void)
{
enc28j60_comm_init();
UARTprintf("Welcome\n");
enc_init(mac_addr);
systick_init();
lwip_init();
#if !LWIP_DHCP
IP4_ADDR(&gw_g, 10,0,0,1);
IP4_ADDR(&ipaddr_g, 10,0,0,100);
IP4_ADDR(&netmask_g, 255, 255, 255, 0)
#else
IP4_ADDR(&gw_g, 0,0,0,0);
IP4_ADDR(&ipaddr_g, 0,0,0,0);
IP4_ADDR(&netmask_g, 0, 0, 0, 0);
#endif
netif_add(&netif_g, &ipaddr_g, &netmask_g, &gw_g, NULL, enc28j60_init, ethernet_input);
netif_set_default(&netif_g);
#if !LWIP_DHCP
netif_set_up(&netif_g);
#else
dhcp_start(&netif_g);
#endif
}
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();
}
}
}