diff --git a/software/signal_processing/crc.c b/software/signal_processing/crc.c
index e214b9e..032914a 100644
--- a/software/signal_processing/crc.c
+++ b/software/signal_processing/crc.c
@@ -1,11 +1,31 @@
 #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;
 }