PROCESS_THREAD(network_process, ev, data) {
PROCESS_BEGIN();
while(1) {
PROCESS_PAUSE();
uip_len = enc28j60_read(uip_buf, UIP_BUFSIZE);
if (uip_len > 0) {
HAL_IWDG_Refresh(&hiwdg);
struct uip_eth_hdr *header = ((struct uip_eth_hdr *)&uip_buf[0]);
uint16_t packetType = header->type;
#ifdef ENC28J60_DEBUG
printf("?receivePacket: len: %d, dest: %02x:%02x:%02x:%02x:%02x:%02x, src: %02x:%02x:%02x:%02x:%02x:%02x, type: %d\n",
uip_len,
header->dest.addr[0], header->dest.addr[1], header->dest.addr[2], header->dest.addr[3], header->dest.addr[4], header->dest.addr[5],
header->src.addr[0], header->src.addr[1], header->src.addr[2], header->src.addr[3], header->src.addr[4], header->src.addr[5],
packetType
);
for (int i = 0; i < uip_len; i++) {
printf("%02x ", uip_buf[i]);
}
printf("\n");
#endif
if (packetType == UIP_HTONS(UIP_ETHTYPE_IP)) {
#ifdef ENC28J60_DEBUG
printf("?readPacket type IP\n");
#endif
uip_arp_ipin();
uip_input();
if (uip_len > 0) {
uip_arp_out();
enc28j60_send(uip_buf, uip_len + sizeof(struct uip_eth_hdr));
}
} else if (packetType == UIP_HTONS(UIP_ETHTYPE_ARP)) {
#ifdef ENC28J60_DEBUG
printf("?readPacket type ARP\n");
#endif
uip_arp_arpin();
if (uip_len > 0) {
enc28j60_send(uip_buf, uip_len + sizeof(struct uip_eth_hdr));
}
}
}
}
PROCESS_END();
}
void
eth_drv_send(uint8_t *packet, uint16_t len)
{
LOG6LBR_PRINTF(PACKET, ETH_OUT, "write: %d\n", len);
LOG6LBR_DUMP_PACKET(ETH_OUT, packet, len);
enc28j60_send(packet, len);
}
int
puts(const char* str)
{
enc28j60_send(str, strlen(str));
return 0;
}
uint8_t enc28j60_tcp_output() {
uip_arp_out();
enc28j60_send(uip_buf, uip_len + sizeof(struct uip_eth_hdr));
return 0;
}
void enc28j60_tick(ENC28J60 *enc28j60) {
uip_len = _enc28j60_receivePacket(enc28j60, ((uint8_t *)uip_buf), UIP_BUFSIZE);
if (uip_len > 0) {
struct uip_eth_hdr *header = ((struct uip_eth_hdr *)&uip_buf[0]);
uint16_t packetType = header->type;
#ifdef ENC28J60_DEBUG
printf("?receivePacket: len: %d, dest: %d.%d.%d.%d, src: %d.%d.%d.%d, type: %d\n",
uip_len,
header->dest.u8[0], header->dest.u8[1], header->dest.u8[2], header->dest.u8[3],
header->src.u8[0], header->src.u8[1], header->src.u8[2], header->src.u8[3],
packetType
);
for (int i = 0; i < uip_len; i++) {
printf("%02x ", uip_buf[i]);
}
printf("\n");
#endif
if (packetType == UIP_HTONS(UIP_ETHTYPE_IP)) {
#ifdef ENC28J60_DEBUG
printf("?readPacket type IP\n");
#endif
uip_arp_ipin();
uip_input();
if (uip_len > 0) {
uip_arp_out();
enc28j60_send(enc28j60);
}
} else if (packetType == UIP_HTONS(UIP_ETHTYPE_ARP)) {
#ifdef ENC28J60_DEBUG
printf("?readPacket type ARP\n");
#endif
uip_arp_arpin();
if (uip_len > 0) {
enc28j60_send(enc28j60);
}
}
}
if (timer_expired(&enc28j60->_enc28j60_periodicTimer)) {
timer_restart(&enc28j60->_enc28j60_periodicTimer);
for (int i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
// If the above function invocation resulted in data that
// should be sent out on the Enc28J60Network, the global variable
// uip_len is set to a value > 0.
if (uip_len > 0) {
uip_arp_out();
enc28j60_send(enc28j60);
}
}
#if UIP_UDP
for (int i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
// If the above function invocation resulted in data that
// should be sent out on the Enc28J60Network, the global variable
// uip_len is set to a value > 0. */
if (uip_len > 0) {
uip_arp_out();
enc28j60_send(enc28j60);
}
}
#endif /* UIP_UDP */
}
}
/*---------------------------------------------------------------------------*/
static int
output(uint8_t *packet, uint16_t len)
{
enc28j60_send(packet, len);
return len;
}
