void recv_ieee802154_frame(void)
{
msg_t m;
radio_packet_t *p;
uint8_t hdrlen, length;
ieee802154_frame_t frame;
msg_init_queue(msg_q, RADIO_RCV_BUF_SIZE);
while (1) {
msg_receive(&m);
if (m.type == PKT_PENDING) {
p = (radio_packet_t *) m.content.ptr;
hdrlen = read_802154_frame(p->data, &frame, p->length);
length = p->length - hdrlen;
/* deliver packet to network(6lowpan)-layer */
lowpan_read(frame.payload, length, (ieee_802154_long_t *)&frame.src_addr,
(ieee_802154_long_t *)&frame.dest_addr);
p->processing--;
}
else if (m.type == ENOBUFFER) {
puts("Transceiver buffer full");
}
else {
puts("Unknown packet received");
}
}
}
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
}
}
}
