1wire: Move onewire_valid_rom to 1wire_crc.h

To let developers use all procedures implemented in the corresponding
.c file when 1wire_crc.h is included.

Signed-off-by: Jiri Vlasak <jvlasak@elektroline.cz>

drivers/1wire/1wire.c

@@ -35,6 +35,7 @@
 #include <nuttx/kmalloc.h>
 #include <nuttx/1wire/1wire_master.h>
 #include <nuttx/1wire/1wire.h>
+#include <nuttx/1wire/1wire_crc.h>
 
 #include "1wire_internal.h"
 

drivers/1wire/1wire_internal.h

@@ -66,10 +66,6 @@ struct onewire_slave_s
  * Public Function Prototypes
  ****************************************************************************/
 
-/* Additional CRC helpers from 1wire_crc.c */
-
-bool onewire_valid_rom(uint64_t rom);
-
 /* Rest are from 1wire.c */
 
 int onewire_addslave(FAR struct onewire_master_s *master,

include/nuttx/1wire/1wire_crc.h

@@ -82,6 +82,22 @@ uint8_t onewire_crc8(FAR const uint8_t *input, uint8_t len);
 uint16_t onewire_crc16(FAR const uint8_t *input, uint16_t len,
                        uint16_t initial_crc);
 
+/****************************************************************************
+ * Name: onewire_valid_rom
+ *
+ * Description:
+ *   Check CRC-8 of received input
+ *
+ * Input Parameters:
+ *   rom   - 64-bit rom code
+ *
+ * Returned Value:
+ *   true if CRC-8 of rom matches
+ *
+ ****************************************************************************/
+
+bool onewire_valid_rom(uint64_t rom);
+
 /****************************************************************************
  * Name: onewire_check_crc16
  *