portapack-mayhem/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2026-09-11 00:59:28 +00:00
Code Issues Packages Projects Releases 10 Wiki Activity

Added carrier wake up in Xylos TX and cute icons

Browse Source
This commit is contained in:
furrtek
2016-05-27 06:48:04 +02:00
parent 7a90eab407
commit 6a0816ba56
31 changed files with 636 additions and 285 deletions
Download Patch File Download Diff File Expand all files Collapse all files
firmware/baseband-tx/proc_xylos.cpp
+44 -30
View File
@@ -42,47 +42,61 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
if (s >= 9) {
s = 0;
if (sample_count >= CCIR_TONELENGTH) {
if (shared_memory.transmit_done == false) {
message.n = byte_pos; // Inform UI about progress (just as eye candy)
shared_memory.application_queue.push(message);
digit = shared_memory.xylosdata[byte_pos++];
if (silence) {
if (sample_count >= SILENCE) {
silence = false;
sample_count = CCIR_TONELENGTH;
} else {
sample_count++;
}
} else {
if (sample_count >= CCIR_TONELENGTH) {
if (shared_memory.transmit_done == false) {
message.n = byte_pos; // Inform UI about progress (just as eye candy)
shared_memory.application_queue.push(message);
digit = shared_memory.xylosdata[byte_pos++];
}
if (digit == 0xFF) {
message.n = 25; // End of message code
shared_memory.transmit_done = true;
shared_memory.application_queue.push(message);
}
if (digit == 0xFF) {
message.n = 25; // End of message code
shared_memory.transmit_done = true;
shared_memory.application_queue.push(message);
sample_count = 0;
} else {
sample_count++;
}
sample_count = 0;
} else {
sample_count++;
aphase += ccir_phases[digit];
}
aphase += ccir_phases[digit];
} else {
s++;
}
sample = (sine_table_f32[(aphase & 0x03FF0000)>>18]*255);
// Audio preview sample generation: 1536000/48000 = 32
/*if (as >= 31) {
as = 0;
audio[ai++] = sample * 128;
if (silence) {
re = 0;
im = 0;
} else {
as++;
}*/
//FM
frq = sample * 1000; // ~25kHz wide
phase = (phase + frq);
sphase = phase + (256<<16);
sample = (sine_table_f32[(aphase & 0x03FF0000)>>18]*255);
// Audio preview sample generation: 1536000/48000 = 32
/*if (as >= 31) {
as = 0;
audio[ai++] = sample * 128;
} else {
as++;
}*/
//FM
frq = sample * 500; // To check !
phase = (phase + frq);
sphase = phase + (256<<16);
re = (sine_table_f32[(sphase & 0x03FF0000)>>18]*127);
im = (sine_table_f32[(phase & 0x03FF0000)>>18]*127);
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};
}