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wireshark: parse snr tag

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This commit is contained in:
Bastian Bloessl
2016-03-01 07:03:50 -08:00
parent 3aefc45eab
commit 396086a6e5
1 changed files with 21 additions and 2 deletions
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lib/wireshark_connector_impl.cc
+21 -2
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@@ -91,6 +91,25 @@ wireshark_connector_impl::handle_pdu(pmt::pmt_t pdu) {
rate = encoding_to_rate(pmt::to_uint64(encoding));
}
int snr = 42;
if(pmt::dict_has_key(dict, pmt::mp("snr"))) {
pmt::pmt_t s = pmt::dict_ref(dict, pmt::mp("snr"), pmt::PMT_NIL);
if(pmt::is_number(s)) {
snr = std::round(pmt::to_double(s));
}
}
uint8_t signal = 0;
uint8_t noise = 0;
if(snr >= 0) {
signal = snr;
noise = 0;
} else {
signal = 0;
noise = -1 * snr;
}
// radiotap header
radiotap_hdr *rhdr = reinterpret_cast<radiotap_hdr*>(d_msg + offset);
rhdr->version = 0;
@@ -99,8 +118,8 @@ wireshark_connector_impl::handle_pdu(pmt::pmt_t pdu) {
rhdr->flags = 0;
rhdr->rate = rate;
rhdr->channel = 178;
rhdr->signal = 42;
rhdr->noise = 23;
rhdr->signal = signal;
rhdr->noise = noise;
rhdr->antenna = 1;
offset += sizeof(struct radiotap_hdr);