Sync with Sharebrained's fw, only Xylos TX works for now

2026-09-10 08:39:29 +00:00 · 2016-07-27 03:03:40 +02:00
parent fdfa7c9776
commit 739956b42b
150 changed files with 17236 additions and 7875 deletions
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ * 
+ * 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 "proc_xylos.hpp"
+
+#include "dsp_iir_config.hpp"
+#include "audio_output.hpp"
+
+#include "portapack_shared_memory.hpp"
+#include "sine_table.hpp"
+#include "event_m4.hpp"
+
+#include <cstdint>
+
+void XylosProcessor::execute(const buffer_c8_t& buffer) {
+	
+	// This is called at 1536000/2048 = 750Hz
+	
+	if( !configured ) {
+		return;
+	}
+	
+	for (size_t i = 0; i<buffer.count; i++) {
+		
+		// Sample generation rate: 1536000/10 = 153kHz
+		if (s >= (5-1)) {
+			s = 0;
+			
+			if (silence) {
+				if (sample_count >= SILENCE) {
+					silence = false;
+					sample_count = CCIR_TONELENGTH;
+				} else {
+					sample_count++;
+				}
+			} else {
+				if (sample_count >= CCIR_TONELENGTH) {
+					if (transmit_done == false) {
+						message.n = byte_pos;	// Inform UI about progress (just as eye candy)
+						shared_memory.application_queue.push(message);
+						digit = xylosdata[byte_pos++];
+					}
+						
+					if ((digit == 0xFF) || (byte_pos >= 21)) {
+						message.n = 25;	// End of message code
+						transmit_done = true;
+						shared_memory.application_queue.push(message);
+					}
+					
+					sample_count = 0;
+				} else {
+					sample_count++;
+				}
+				
+				aphase += ccir_phases[digit];
+			}
+		} else {
+			s++;
+		}
+		
+		if (silence) {
+			re = 0;
+			im = 0;
+		} else {
+			sample = (sine_table_f32[(aphase & 0x03FF0000)>>18]*127); // 255 here before
+			
+			// Audio preview sample generation: 1536000/48000 = 32
+			/*if (as >= 31) {
+				as = 0;
+				audio[ai++] = sample * 128;
+			} else {
+				as++;
+			}*/
+				
+			//FM
+			frq = sample * 1000;	// 500 was here
+			
+			phase = (phase + frq);
+			sphase = phase + (256<<16);
+
+			re = (sine_table_f32[(sphase & 0x03FF0000)>>18]*15);
+			im = (sine_table_f32[(phase & 0x03FF0000)>>18]*15);
+		}
+		
+		buffer.p[i] = {(int8_t)re,(int8_t)im};
+	}
+	
+	//audio_output.write(audio_buffer);
+}
+
+void XylosProcessor::on_message(const Message* const p) {
+	const auto message = *reinterpret_cast<const XylosConfigureMessage*>(p);
+	if (message.id == Message::ID::XylosConfigure) {
+		memcpy(xylosdata, message.ccir_message, 21);
+		byte_pos = 0;
+		digit = 0;
+		sample_count = CCIR_TONELENGTH;
+		as = 0;
+		transmit_done = false;
+		configured = true;
+	}
+}
+
+int main() {
+	EventDispatcher event_dispatcher { std::make_unique<XylosProcessor>() };
+	event_dispatcher.run();
+	return 0;
+}