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POCSAG address filter now ignores alpha messages

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Experimenting with FIFOs for replay...
This commit is contained in:
furrtek 2017-04-19 22:05:16 +01:00
parent a053c0e234
commit 40b49e2072
20 changed files with 120 additions and 69 deletions
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33
firmware/baseband/stream_output.cpp
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@ -40,29 +40,30 @@ StreamOutput::StreamOutput(ReplayConfig* const config) :
}
}
size_t StreamOutput::read(const void* const data, const size_t length) {
const uint8_t* p = static_cast<const uint8_t*>(data);
size_t written = 0;
size_t StreamOutput::read(void* const data, const size_t length) {
uint8_t* p = static_cast<uint8_t*>(data);
size_t read = 0;
while( written < length ) {
while( read < length ) {
if( !active_buffer ) {
// We need an empty buffer...
if( !fifo_buffers_empty.out(active_buffer) ) {
// We need a full buffer...
if( !fifo_buffers_full.out(active_buffer) ) {
// ...but none are available. Samples were dropped.
//active_buffer = nullptr; // Testing ! Jumpstart
creg::m4txevent::assert();
break;
}
}
const auto remaining = length - written;
written += active_buffer->write(&p[written], remaining);
const auto remaining = length - read;
read += active_buffer->read(&p[read], remaining);
//buffer->empty();
if( active_buffer->is_full() ) {
if( !fifo_buffers_full.in(active_buffer) ) {
// FIFO is fuil of buffers, there's no place for this one.
// Bail out of the loop, and try submitting the buffer in the
if( active_buffer->is_empty() ) {
if( !fifo_buffers_empty.in(active_buffer) ) {
// FIFO is completly empty.
// Bail out of the loop, and try retrieving the buffer in the
// next pass.
// This should never happen if the number of buffers is less
// than the capacity of the FIFO.
break;
}
active_buffer = nullptr;
@ -70,7 +71,7 @@ size_t StreamOutput::read(const void* const data, const size_t length) {
}
}
config->baseband_bytes_sent += length;
config->baseband_bytes_received += length;
return written;
return read;
}