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POCSAG Processor Rewrite (#1437)

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* WIP Refactoring
* WordExtractor building
* Fix buffer sizes and squelch execute
* Move impls to cpp file
* Baud indicator
* WIP new bit extractor
* New approach for bit extraction.
* Code fit and finish
* Fix case on button
* Cleanup
* Adjust rate miss threshold
* Fix count bits error calculation.
This commit is contained in:
Kyle Reed 2023-09-08 10:41:09 -07:00 • committed by GitHub
parent 9525738118
commit 31e8019642
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 648 additions and 534 deletions
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22
firmware/common/pocsag_packet.hpp
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@ -45,6 +45,10 @@ enum PacketFlag : uint32_t {
TOO_LONG
};
/* Number of codewords in a batch. */
constexpr uint8_t batch_size = 16;
using batch_t = std::array<uint32_t, batch_size>;
class POCSAGPacket {
public:
void set_timestamp(const Timestamp& value) {
@ -55,16 +59,20 @@ class POCSAGPacket {
return timestamp_;
}
void set(const size_t index, const uint32_t data) {
if (index < 16)
void set(size_t index, uint32_t data) {
if (index < batch_size)
codewords[index] = data;
}
uint32_t operator[](const size_t index) const {
return (index < 16) ? codewords[index] : 0;
void set(const batch_t& batch) {
codewords = batch;
}
void set_bitrate(const uint16_t bitrate) {
uint32_t operator[](size_t index) const {
return (index < batch_size) ? codewords[index] : 0;
}
void set_bitrate(uint16_t bitrate) {
bitrate_ = bitrate;
}
@ -72,7 +80,7 @@ class POCSAGPacket {
return bitrate_;
}
void set_flag(const PacketFlag flag) {
void set_flag(PacketFlag flag) {
flag_ = flag;
}
@ -89,7 +97,7 @@ class POCSAGPacket {
private:
uint16_t bitrate_{0};
PacketFlag flag_{NORMAL};
std::array<uint32_t, 16> codewords{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
batch_t codewords{};
Timestamp timestamp_{};
};