signal_processing_vorlage/software/signal_processing/sine.c

#include "system/task_sine.h"
#include "system/data_channel.h"
#include "system/float_word.h"
#include <math.h>

int task_sine_run( void * data ) {

    // Nachfolgende Anweisungen Schreiben 1024 Mal den Wert 4 in den FIFO für Sinus
	sine_config * task = ( sine_config * ) data;
	uint32_t data_channel_base = task->base.sink;
	data_channel_clear( data_channel_base );

	for( uint32_t i = 0; i < DATA_CHANNEL_DEPTH; i++ ) {
		float_word res;
		res.value = task->amplitude * sin((2 * M_PI / task->samples_per_periode) * i + task->phase );

		data_channel_write( data_channel_base, res.word );
	}

	return 0;
}