Improved close call precision

firmware/baseband-tx/baseband_thread.cpp

@@ -85,7 +85,7 @@ void BasebandThread::run() {
 	const auto baseband_buffer = std::make_unique<std::array<baseband::sample_t, 8192>>();
 	baseband::dma::configure(
 		baseband_buffer->data(),
-		direction()
+		baseband::Direction::Transmit
 	);
 	//baseband::dma::allocate(4, 2048);
 
@@ -98,7 +98,7 @@ void BasebandThread::run() {
 
 	while(true) {
 		// TODO: Place correct sampling rate into buffer returned here:
-		const auto buffer_tmp = baseband::dma::wait_for_rx_buffer();
+		const auto buffer_tmp = baseband::dma::wait_for_tx_buffer();
 		if( buffer_tmp ) {
 			buffer_c8_t buffer {
 				buffer_tmp.p, buffer_tmp.count, baseband_configuration.sampling_rate
@@ -139,8 +139,8 @@ void BasebandThread::disable() {
 
 void BasebandThread::enable() {
 	if( baseband_processor ) {
-		baseband_sgpio.configure(direction());
-		baseband::dma::enable(direction());
+		baseband_sgpio.configure(baseband::Direction::Transmit);
+		baseband::dma::enable(baseband::Direction::Transmit);
 		baseband_sgpio.streaming_enable();
 	}
 }

firmware/baseband-tx/baseband_thread.hpp

@@ -33,12 +33,6 @@ public:
 	Thread* start(const tprio_t priority);
 
 	void on_message(const Message* const message);
-	
-	// This getter should die, it's just here to leak information to code that
-	// isn't in the right place to begin with.
-	baseband::Direction direction() const {
-		return baseband::Direction::Transmit;
-	}
 
 	void wait_for_switch(void);
 

firmware/baseband-tx/proc_xylos.cpp

@@ -30,16 +30,11 @@
 
 #include <cstdint>
 
-// 1990 1131 1201 1275 1357 ...
-
-// 14 13 12 11:
-// 2108 989 2259 931
-
 void XylosProcessor::execute(const buffer_c8_t& buffer) {
 	
 	// This is called at 1536000/2048 = 750Hz
 	
-	ai = 0;
+	// ai = 0;
 	
 	for (size_t i = 0; i<buffer.count; i++) {
 		
@@ -65,7 +60,7 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
 				sample_count++;
 			}
 			
-			aphase += ccir_phases[digit];
+			aphase += ccir_phases[digit];		// DEBUG
 		} else {
 			s++;
 		}
@@ -73,15 +68,15 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
 		sample = (sine_table_f32[(aphase & 0x03FF0000)>>18]*255);
 		
 		// Audio preview sample generation: 1536000/48000 = 32
-		if (as >= 31) {
+		/*if (as >= 31) {
 			as = 0;
 			audio[ai++] = sample * 128;
 		} else {
 			as++;
-		}
+		}*/
 		
 		//FM
-		frq = sample * 300; // ~10kHz wide
+		frq = sample * 1000; // ~10kHz wide
 		
 		phase = (phase + frq);
 		sphase = phase + (256<<16);

firmware/baseband-tx/proc_xylos.hpp

@@ -39,10 +39,10 @@ public:
 	void execute(const buffer_c8_t& buffer) override;
 
 private:
-	int16_t audio_data[64];
+	/*int16_t audio_data[64];
 	
 	std::array<int16_t, 64> audio;
-	/*const buffer_s16_t audio_buffer {
+	const buffer_s16_t audio_buffer {
 		audio.data(),
 		audio.size()
 	};*/
@@ -75,7 +75,7 @@ private:
 	int32_t sample, frq;
 	TXDoneMessage message;
 	
-	AudioOutput audio_output;
+	//AudioOutput audio_output;
 };
 
 #endif