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 main(void)
{
led_conf();
network_init();
CLKPR = (1<<CLKPCE); //Change prescaler
CLKPR = (1<<CLKPS0); //Use prescaler 2
//clock_prescale_set(2);
enc28j60Write(ECOCON, 1 & 0x7); //Get a 25MHz signal from enc28j60
int i;
uip_ipaddr_t ipaddr;
struct timer periodic_timer, arp_timer;
clock_init();
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
uip_init();
struct uip_eth_addr mac = {UIP_ETHADDR0, UIP_ETHADDR1, UIP_ETHADDR2, UIP_ETHADDR3, UIP_ETHADDR4, UIP_ETHADDR5};
uip_setethaddr(mac);
simple_httpd_init();
// httpd_init();
#ifdef __DHCPC_H__
dhcpc_init(&mac, 6);
#else
uip_ipaddr(ipaddr, 192,168,2,55);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192,168,2,1);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255,255,255,0);
uip_setnetmask(ipaddr);
/* uip_ipaddr(ipaddr, 192,167,0,255);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192,167,0,254);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255,255,0,0);
uip_setnetmask(ipaddr);
*/
#endif /*__DHCPC_H__*/
while(1){
uip_len = network_read();
if(uip_len > 0) {
if(BUF->type == htons(UIP_ETHTYPE_IP)){
uip_arp_ipin();
uip_input();
if(uip_len > 0) {
uip_arp_out();
network_send();
}
}else if(BUF->type == htons(UIP_ETHTYPE_ARP)){
uip_arp_arpin();
if(uip_len > 0){
network_send();
}
}
}else if(timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
led_blink();
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();
}
}
}
return 0;
}
