Oversample capturing for low bandwidths (#1332)

* draft_low_bit_rate_solution_Capture_App

* second_draft_dynamic_decim

* Add support for Oversample Rate to capture.

---------

Co-authored-by: Brumi-2021 <ea3hqj@gmail.com>

firmware/common/message.hpp

@@ -111,6 +111,7 @@ class Message {
         APRSRxConfigure = 54,
         SpectrumPainterBufferRequestConfigure = 55,
         SpectrumPainterBufferResponseConfigure = 56,
+        OversampleRateConfig = 57,
         MAX
     };
 
@@ -809,6 +810,23 @@ class SamplerateConfigMessage : public Message {
     const uint32_t sample_rate = 0;
 };
 
+/* Controls decimation handling in proc_capture. */
+enum class OversampleRate : uint8_t {
+    Rate8x = 8,
+    Rate16x = 16,
+};
+
+class OversampleRateConfigMessage : public Message {
+   public:
+    constexpr OversampleRateConfigMessage(
+        OversampleRate oversample_rate)
+        : Message{ID::OversampleRateConfig},
+          oversample_rate(oversample_rate) {
+    }
+
+    const OversampleRate oversample_rate{OversampleRate::Rate8x};
+};
+
 class AudioLevelReportMessage : public Message {
    public:
     constexpr AudioLevelReportMessage()