uint8_t rpl_init(transceiver_type_t trans, uint16_t rpl_address)
{
mutex_init(&rpl_send_mutex);
mutex_init(&rpl_recv_mutex);
if(rpl_address == 0) {
return SIXLOWERROR_ADDRESS;
}
/* initialize routing table */
rpl_clear_routing_table();
init_trickle();
rpl_process_pid = thread_create(rpl_process_buf, RPL_PROCESS_STACKSIZE,
PRIORITY_MAIN - 1, CREATE_STACKTEST,
rpl_process, "rpl_process");
/* INSERT NEW OBJECTIVE FUNCTIONS HERE */
objective_functions[0] = rpl_get_of0();
/* objective_functions[1] = rpl_get_of_ETX() */
sixlowpan_init(trans, rpl_address, 0);
/* Wir benötigen einen Link Local prefix, um unsere entsprechende Addresse im Netz abzufragen */
ipv6_addr_t ll_address;
ipv6_set_ll_prefix(&ll_address);
ipv6_get_saddr(&my_address, &ll_address);
set_rpl_process_pid(rpl_process_pid);
return SUCCESS;
}
void etx_radio(void) {
msg_t m;
radio_packet_t *p;
ieee802154_frame_t frame;
msg_init_queue(msg_que, ETX_RCV_QUEUE_SIZE);
ipv6_addr_t ll_address;
ipv6_addr_t candidate_addr;
ipv6_set_ll_prefix(&ll_address);
ipv6_get_saddr(&candidate_addr, &ll_address);
while (1) {
msg_receive(&m);
if (m.type == PKT_PENDING) {
p = (radio_packet_t*) m.content.ptr;
read_802154_frame(p->data, &frame, p->length);
if (frame.payload[0] == ETX_PKT_OPTVAL) {
//copy to receive buffer
memcpy(etx_rec_buf, &frame.payload[0], frame.payload_len);
//create IPv6 address from radio packet
//we can do the cast here since rpl nodes can only have addr
//up to 8 bits
candidate_addr.uint8[ETX_IPV6_LAST_BYTE] = (uint8_t) p->src;
//handle the beacon
mutex_lock(&etx_mutex);
etx_handle_beacon(&candidate_addr);
mutex_unlock(&etx_mutex,1);
}
p->processing--;
}
else if (m.type == ENOBUFFER) {
puts("Transceiver buffer full");
}
else {
//packet is not for me, whatever
}
}
}