add oscilloscope (time sink) app (#3059)

* POC * submodule * seperate bb * seperate bb * seperate bb * seperate bb * seperate bb * sadly have to reduce history * icon * bring it back * bring it back * bb * format and move bb outside
2026-09-12 01:29:29 +00:00 · 2026-03-03 02:17:02 +08:00
parent f489d43259
commit 9ca36394d0
12 changed files with 911 additions and 3 deletions
@@ -0,0 +1,56 @@
+/*
+ * Copyleft zxkmm (>) 2026
+ *
+ * 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.
+ */
+
+#ifndef __PROC_TIME_SINK_H__
+#define __PROC_TIME_SINK_H__
+
+#include "baseband_processor.hpp"
+#include "baseband_thread.hpp"
+
+#include "message.hpp"
+
+#include <cstddef>
+
+class TimeSinkProcessor : public BasebandProcessor {
+   public:
+    void execute(const buffer_c8_t& buffer) override;
+    void on_message(const Message* const message) override;
+
+   private:
+    bool configured = false;
+    size_t baseband_fs = 20000000;
+
+    void execute_time_domain(const buffer_c8_t& buffer);
+    void set_time_streaming_state(const SpectrumStreamingConfigMessage& message);
+    void update_time_domain();
+    ChannelSpectrum time_domain_spectrum{};
+    ChannelSpectrum fifo_data[1 << ChannelSpectrumConfigMessage::fifo_k]{};
+    ChannelSpectrumFIFO fifo{fifo_data, ChannelSpectrumConfigMessage::fifo_k};
+
+    size_t phase = 0, trigger = 127;
+    bool time_streaming = false;
+    volatile bool time_domain_request_update = false;
+
+    /* NB: Threads should be the last members in the class definition. */
+    BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Receive};
+};
+
+#endif /*__PROC_TIME_SINK_H__*/