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Cleaned up Xylos TX, J/N works again

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This commit is contained in:
furrtek
2016-07-27 05:54:55 +02:00
parent 2177456b7e
commit 79f2134d91
11 changed files with 166 additions and 223 deletions
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26
firmware/baseband/proc_xylos.cpp
View File

@@ -42,7 +42,7 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
for (size_t i = 0; i<buffer.count; i++) {
// Sample generation rate: 1536000/10 = 153kHz
if (s >= (5-1)) {
if (s >= (2-1)) {
s = 0;
if (silence) {
@@ -55,15 +55,15 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
} 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);
if ((digit == 0xFF) || (byte_pos >= 21)) {
message.n = 25; // End of message code
transmit_done = true;
shared_memory.application_queue.push(message);
} else {
message.n = byte_pos; // Inform UI about progress (just as eye candy)
shared_memory.application_queue.push(message);
}
}
sample_count = 0;
@@ -81,7 +81,7 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
re = 0;
im = 0;
} else {
sample = (sine_table_f32[(aphase & 0x03FF0000)>>18]*127); // 255 here before
sample = (sine_table_f32[(aphase & 0x03FC0000)>>18]*127); // 255 here before
// Audio preview sample generation: 1536000/48000 = 32
/*if (as >= 31) {
@@ -92,13 +92,13 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
}*/
//FM
frq = sample * 1000; // 500 was here
frq = sample * 800; // ?
phase = (phase + frq);
sphase = phase + (256<<16);
re = (sine_table_f32[(sphase & 0x03FF0000)>>18]*15);
im = (sine_table_f32[(phase & 0x03FF0000)>>18]*15);
re = (sine_table_f32[(sphase & 0x03FC0000)>>18]*127);
im = (sine_table_f32[(phase & 0x03FC0000)>>18]*127);
}
buffer.p[i] = {(int8_t)re,(int8_t)im};

6
firmware/baseband/proc_xylos.hpp
View File

@@ -31,9 +31,9 @@
#include "audio_output.hpp"
#include "baseband_thread.hpp"
#define CCIR_TONELENGTH (15360*2)-1 // 1536000/10/10
#define PHASEV (436.91/2) // (65536*1024)/1536000*10
#define SILENCE (46080*2)-1 // 400ms
#define CCIR_TONELENGTH (15360*5)-1 // 1536000/10/10
#define PHASEV (436.91/5) // (65536*1024)/1536000*10
#define SILENCE (46080*5)-1 // 400ms
class XylosProcessor : public BasebandProcessor {
public: