harmony 鸿蒙usb_serial_types.h

usb_serial_types.h

Provides the enum variables, structures, and macros used in USB Serial DDK APIs.

Library: libusb_serial.z.so

File to include: <serial/usb_serial_types.h>

System capability: SystemCapability.Driver.SERIAL.Extension

Since: 18

Related module: USB Serial DDK

Name	Description
struct  UsbSerial_Params	Defines the USB serial port parameters for the USB Serial DDK.

Name	Description
typedef struct UsbSerial_DeviceHandle UsbSerial_DeviceHandle	Data structure of the USB serial port device (opaque).
typedef struct UsbSerial_Params _attribute_((aligned(8))) UsbSerial_Params	USB serial port parameters used by the USB Serial DDK.

Name	Description
UsbSerial_DdkRetCode { USB_SERIAL_DDK_NO_PERM = 201, USB_SERIAL_DDK_INVALID_PARAMETER = 401, USB_SERIAL_DDK_SUCCESS = 31600000, USB_SERIAL_DDK_INVALID_OPERATION = 31600001, USB_SERIAL_DDK_INIT_ERROR = 31600002, USB_SERIAL_DDK_SERVICE_ERROR = 31600003, USB_SERIAL_DDK_MEMORY_ERROR = 31600004, USB_SERIAL_DDK_IO_ERROR = 31600005, USB_SERIAL_DDK_DEVICE_NOT_FOUND = 31600006 }	Defines the return codes used by the USB Serial DDK.
UsbSerial_FlowControl { USB_SERIAL_NO_FLOW_CONTROL = 0, USB_SERIAL_SOFTWARE_FLOW_CONTROL = 1, USB_SERIAL_HARDWARE_FLOW_CONTROL = 2 }	Defines the flow control mode for the USB Serial DDK.
UsbSerial_Parity { USB_SERIAL_PARITY_NONE = 0, USB_SERIAL_PARITY_ODD = 1, USB_SERIAL_PARITY_EVEN = 2 }	Defines the enums of the parity parameter used by the USB Serial DDK.