Rebased code from new eried repo commits. Changed to to reflect strijar implementation. Fixed previous issue with old ssb-am-tx ui_mictx code.

firmware/baseband/dsp_hilbert.hpp

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2020 Belousov Oleg
+ *
+ * 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 __DSP_HILBERT_H__
+#define __DSP_HILBERT_H__
+
+#include "dsp_sos.hpp"
+#include "dsp_types.hpp"
+
+namespace dsp {
+
+class HilbertTransform {
+public:
+
+	HilbertTransform();
+	void execute(float in, float &out_i, float &out_q);
+
+private:
+	uint8_t			n = 0;
+	SOSFilter<5>	sos_i;
+	SOSFilter<5>	sos_q;
+};
+
+} /* namespace dsp */
+
+#endif/*__DSP_HILBERT_H__*/