#define SER_BAUD_230400 0x13
#define SER_BAUD_31250 0x14
#define SER_BAUD_62500 0x15
+#define SER_BAUD_56_875 0x16
/* Data bit settings */
#define SER_BITS_5 0x00
#define SER_ERR_INIT_FAILED 0x08 /* Initialization failed */
#define SER_ERR_INV_IOCTL 0x09 /* IOCTL not supported */
#define SER_ERR_INSTALLED 0x0A /* A driver is already installed */
+#define SER_ERR_NOT_OPEN 0x0B /* Driver is not open */
/* Struct containing parameters for the serial port */
struct ser_params {