diff --git a/components/common/crc32/crc32.h b/components/common/crc32/crc32.h
index a04e380..ae185cc 100644
--- a/components/common/crc32/crc32.h
+++ b/components/common/crc32/crc32.h
@@ -15,15 +15,20 @@
 #endif
 
 /**
+ * \brief Initialize CRC32 to use HW acceleration if available
+ */
+void crc32_init(void);
+
+/**
  * \brief Calculate a CRC32 over the provided data
  *
- * \param[in]  	crc		    The starting CRC for previous data
- * \param[in]  	buf  		The buffer to calculate the CRC over
- * \param[in]  	size		Number of bytes in the buffer
+ * \param[in]	crc_prev	The starting CRC for previous data
+ * \param[in]	buf		The buffer to calculate the CRC over
+ * \param[in]	size		Number of bytes in the buffer
  *
  * \return	The calculated CRC32
  */
-uint32_t crc32(uint32_t crc, const unsigned char *buf, size_t size);
+extern uint32_t (*crc32)(uint32_t crc_prev, const uint8_t *buf, size_t size);
 
 #ifdef __cplusplus
 }