signal_processing_vorlage/software/signal_processing/crc.c

#include "system/task_crc.h"
#include "system/data_channel.h"
#include "system/float_word.h"
#include <zlib.h> 				/* c-library for crc32() */

int task_crc_run( void * task ) {

    // TODO

	crc_config * crc = ( crc_config * ) task;
	uint32_t data_channel_base = crc->base.sink;
	data_channel_clear( data_channel_base);

	float_word crc_res;
	float_word crc_input;

	for ( uint32_t i = 0; i < DATA_CHANNEL_DEPTH; ++i )
	{
		data_channel_read(crc->base.sources[0], &crc_input.value);
		
		crc_res.value = crc32(0, (const void*)crc_input.value, sizeof(crc_input.value));
	
	}


	data_channel_write( data_channel_base, crc_res.word );


    return 0;
}