* @param buf Buffer containing the 15-byte protocol packet. Must not be NULL.
* @param floatval Pointer to a float variable. That variable will contain the
* result value upon parsing success. Must not be NULL.
* @param buf Buffer containing the 15-byte protocol packet. Must not be NULL.
* @param floatval Pointer to a float variable. That variable will contain the
* result value upon parsing success. Must not be NULL.