Wardrive map improv (#2251)

Added paginator.
Added Flipper SUB file support.

firmware/application/flipper_subfile.cpp

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2024 HTotoo
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "flipper_subfile.hpp"
+
+#include "convert.hpp"
+#include "file_reader.hpp"
+#include "string_format.hpp"
+#include <string_view>
+
+namespace fs = std::filesystem;
+using namespace std::literals;
+
+const std::string_view filetype_name = "Filetype"sv;
+const std::string_view frequency_name = "Frequency"sv;
+const std::string_view latitude_name = "Latitute"sv;
+const std::string_view longitude_name = "Longitude"sv;
+const std::string_view protocol_name = "Protocol"sv;
+const std::string_view preset_name = "Preset"sv;
+const std::string_view te_name = "TE"sv;  // only in BinRAW
+
+/*
+Filetype: Flipper SubGhz Key File
+Version: 1
+Frequency: 433920000
+Preset: FuriHalSubGhzPresetOok650Async
+Latitute: nan
+Longitude: nan
+Protocol: BinRAW
+Bit: 1730
+TE: 495
+Bit_RAW: 1730
+Data_RAW: 02 10 84
+
+te: is the quantization interval, in us.
+bit: all bit counts in file.
+bit_raw: the bits stored in the next data_raw. this 2 can repeat
+data_raw: is an encoded sequence of durations, where each bit in the sequence encodes one TE interval: 1 - high level (there is a carrier), 0 - low (no carrier). For example, TE=100, Bit_RAW=8, Data_RAW=0x37 => 0b00110111, that is, -200 200 -100 300 will be transmitted
+
+
+
+Filetype: Flipper SubGhz RAW File
+Version: 1
+Frequency: 433920000
+Preset: FuriHalSubGhzPresetOok650Async
+Protocol: RAW
+RAW_Data: 5832 -12188 130 -162
+
+raw_data- positive: carrier for n time, negative: no carrier for n time. (us)
+*/
+
+Optional<flippersub_metadata> read_flippersub_file(const fs::path& path) {
+    File f;
+    auto error = f.open(path);
+
+    if (error)
+        return {};
+
+    flippersub_metadata metadata{};
+
+    auto reader = FileLineReader(f);
+    for (const auto& line : reader) {
+        auto cols = split_string(line, ':');
+
+        if (cols.size() != 2)
+            continue;  // Bad line.
+        if (cols[1].length() <= 1) continue;
+        std::string fixed = cols[1].data() + 1;
+        fixed = trim(fixed);
+        if (cols[0] == filetype_name) {
+            if (fixed != "Flipper SubGhz Key File" && fixed != "Flipper SubGhz RAW File") return {};  // not supported
+        } else if (cols[0] == frequency_name)
+            parse_int(fixed, metadata.center_frequency);
+        else if (cols[0] == latitude_name)
+            parse_float_meta(fixed, metadata.latitude);
+        else if (cols[0] == longitude_name)
+            parse_float_meta(fixed, metadata.longitude);
+        else if (cols[0] == protocol_name) {
+            if (fixed == "RAW") metadata.protocol = FLIPPER_PROTO_RAW;
+            if (fixed == "BinRAW") metadata.protocol = FLIPPER_PROTO_BINRAW;
+        } else if (cols[0] == te_name) {
+            metadata.te = atoi(fixed.c_str());
+        } else if (cols[0] == preset_name) {
+            if (fixed.find("FSK") != std::string::npos) {
+                metadata.preset = FLIPPER_PRESET_2FSK;
+            } else if (fixed.find("Ook") != std::string::npos) {
+                metadata.preset = FLIPPER_PRESET_OOK;
+            } else if (fixed.find("Custom") != std::string::npos) {
+                metadata.preset = FLIPPER_PRESET_CUSTOM;
+            }
+
+        } else
+            continue;
+    }
+
+    if (metadata.center_frequency == 0) return {};  // Parse failed.
+
+    return metadata;
+}