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Radiosonde RX now understands Meteomodem's M10 correctly

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This commit is contained in:
furrtek
2017-10-27 18:54:50 +02:00
parent 6e7b2c751f
commit d47f292d3a
11 changed files with 157 additions and 47 deletions
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17
firmware/common/manchester.cpp
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@@ -23,6 +23,10 @@
#include "string_format.hpp"
size_t ManchesterBase::symbols_count() const {
return packet.size() / 2;
}
DecodedSymbol ManchesterDecoder::operator[](const size_t index) const {
const size_t encoded_index = index * 2;
if( (encoded_index + 1) < packet.size() ) {
@@ -34,12 +38,19 @@ DecodedSymbol ManchesterDecoder::operator[](const size_t index) const {
}
}
size_t ManchesterDecoder::symbols_count() const {
return packet.size() / 2;
DecodedSymbol BiphaseMDecoder::operator[](const size_t index) const {
const size_t encoded_index = index * 2;
if( (encoded_index + 1) < packet.size() ) {
const auto value = packet[encoded_index + 0] != packet[encoded_index + 1];
const uint_fast8_t error = encoded_index ? (packet[encoded_index - 1] == packet[encoded_index + 0]) : 0;
return { value, error };
} else {
return { 0, 1 };
}
}
FormattedSymbols format_symbols(
const ManchesterDecoder& decoder
const ManchesterBase& decoder
) {
const size_t payload_length_decoded = decoder.symbols_count();
const size_t payload_length_hex_characters = (payload_length_decoded + 3) / 4;