recv.c
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/*
* Copyright (C) Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#include <stdio.h>
#include "at86rf2xx.h"
#include "od.h"
#include "net/ieee802154.h"
#include "net/netdev.h"
#include "common.h"
#define MAX_LINE (80)
static uint8_t buffer[AT86RF2XX_MAX_PKT_LENGTH];
void recv(netdev_t *dev)
{
uint8_t src[IEEE802154_LONG_ADDRESS_LEN], dst[IEEE802154_LONG_ADDRESS_LEN];
size_t mhr_len, data_len, src_len, dst_len;
netdev_ieee802154_rx_info_t rx_info;
le_uint16_t src_pan, dst_pan;
putchar('\n');
data_len = dev->driver->recv(dev, buffer, sizeof(buffer), &rx_info);
mhr_len = ieee802154_get_frame_hdr_len(buffer);
if (mhr_len == 0) {
puts("Unexpected MHR for incoming packet");
return;
}
dst_len = ieee802154_get_dst(buffer, dst, &dst_pan);
src_len = ieee802154_get_src(buffer, src, &src_pan);
switch (buffer[0] & IEEE802154_FCF_TYPE_MASK) {
case IEEE802154_FCF_TYPE_BEACON:
puts("BEACON");
break;
case IEEE802154_FCF_TYPE_DATA:
puts("DATA");
break;
case IEEE802154_FCF_TYPE_ACK:
puts("ACK");
break;
case IEEE802154_FCF_TYPE_MACCMD:
puts("MACCMD");
break;
default:
puts("UNKNOWN");
break;
}
printf("Dest. PAN: 0x%04x, Dest. addr.: ",
byteorder_ntohs(byteorder_ltobs(dst_pan)));
print_addr(dst, dst_len);
printf("\nSrc. PAN: 0x%04x, Src. addr.: ",
byteorder_ntohs(byteorder_ltobs(src_pan)));
print_addr(src, src_len);
printf("\nSecurity: ");
if (buffer[0] & IEEE802154_FCF_SECURITY_EN) {
printf("1, ");
}
else {
printf("0, ");
}
printf("Frame pend.: ");
if (buffer[0] & IEEE802154_FCF_FRAME_PEND) {
printf("1, ");
}
else {
printf("0, ");
}
printf("ACK req.: ");
if (buffer[0] & IEEE802154_FCF_ACK_REQ) {
printf("1, ");
}
else {
printf("0, ");
}
printf("PAN comp.: ");
if (buffer[0] & IEEE802154_FCF_PAN_COMP) {
puts("1");
}
else {
puts("0");
}
printf("Version: ");
printf("%u, ", (unsigned)((buffer[1] & IEEE802154_FCF_VERS_MASK) >> 4));
printf("Seq.: %u\n", (unsigned)ieee802154_get_seq(buffer));
od_hex_dump(buffer + mhr_len, data_len - mhr_len, 0);
printf("txt: ");
for (int i = mhr_len; i < data_len; i++) {
if ((buffer[i] > 0x1F) && (buffer[i] < 0x80)) {
putchar((char)buffer[i]);
}
else {
putchar('?');
}
if (((((i - mhr_len) + 1) % (MAX_LINE - sizeof("txt: "))) == 1) &&
(i - mhr_len) != 0) {
printf("\n ");
}
}
printf("\n");
printf("RSSI: %u, LQI: %u\n\n", rx_info.rssi, rx_info.lqi);
}
/** @} */