QN_ERR_BASE
#define QN_ERR_OK QN_ERR_BASE | 0 /* Success */
#define QN_ERR_NOT_SUPPORTED QN_ERR_BASE | 1 /* Command not supported */
#define QN_ERR_INVALID_PARAM QN_ERR_BASE | 2 /* Invalid parameter */
#define QN_ERR_WRONG_NO_PARAM QN_ERR_BASE | 3 /* Wrong number of parameters */
#define QN_ERR_FILE_NOT_FOUND QN_ERR_BASE | 4 /* File not found */
#define QN_ERR_FILE_READ_ERR QN_ERR_BASE | 5 /* File read err */
#define QN_ERR_FILE_WRITE_ERR QN_ERR_BASE | 6 /* File write err */
#define QN_ERR_NO_MEMORY QN_ERR_BASE | 7 /* No Memory */