Completely useless "about" screen

Paved road for talking Xylos RX and logger Added test button for Xylos TX Fixed jammer crashing after loading second time
2026-09-02 12:59:03 +00:00 · 2016-01-30 00:28:05 +01:00
parent 1e71a10346
commit 107c212d88
64 changed files with 3599 additions and 56 deletions
@@ -0,0 +1,73 @@
+/*
+ * 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_playaudio.hpp"
+#include "portapack_shared_memory.hpp"
+#include "sine_table.hpp"
+
+#include <cstdint>
+
+// This is diry :(
+void PlayAudioProcessor::fill_buffer(int8_t * inptr) {
+	memcpy(&audio_fifo[fifo_put], inptr, 1024);
+	fifo_put = (fifo_put + 1024) & 0x0FFF;
+	asked = false;
+}
+
+void PlayAudioProcessor::execute(buffer_c8_t buffer) {
+
+	// This is called at 1536000/2048 = 750Hz
+
+	ai = 0;
+	for (size_t i = 0; i<buffer.count; i++) {
+		// Audio preview sample generation: 1536000/48000 = 32
+		if (as >= 31) {
+			as = 0;
+			sample = audio_fifo[fifo_get];
+			preview_audio_buffer.p[ai++] = sample << 8;
+			fifo_get = (fifo_get + 1) & 0x0FFF;
+			if ((((fifo_put - fifo_get) & 0x0FFF) < 3072) && (asked == false)) {
+				// Ask application to fill up fifo
+				sigmessage.signaltype = 1;
+				shared_memory.application_queue.push(sigmessage);
+				asked = true;
+			}
+		} else {
+			as++;
+		}
+		
+		sample = ((int8_t)audio_fifo[fifo_get] * 4);
+
+		//FM
+		frq = sample * 2000;
+		
+		phase = (phase + frq);
+		sphase = phase + (256<<16);
+
+		re = (sine_table_f32[(sphase & 0x03FF0000)>>18]*127);
+		im = (sine_table_f32[(phase & 0x03FF0000)>>18]*127);
+		
+		buffer.p[i] = {(int8_t)re,(int8_t)im};
+	}
+	
+	fill_audio_buffer(preview_audio_buffer);
+}