CP2103 datasheet(35/45 Pages) SILABS

35 / 45 page

AN721

Rev. 1.2

Parameters:

1. Handle—Handle to the device to close as returned by CP210x_Open().

2. SerialNumber —Pointer to a buffer returning the Serial Number String value.

3. Length—Pointer to a BYTE value returning the length of the string in characters (not bytes),

NOT including a NULL terminator.

4. ConvertToASCII—Boolean flag that tells the function whether the string needs to be converted

to ASCII before it is returned to the caller. The flag is set to TRUE by default (i.e., the caller is

expecting the string in ASCII format).

Return Value: CP210x_STATUS = CP210x_SUCCESS,



CP210x_INVALID_PARAMETER,



CP210x_INVALID_HANDLE,



CP210x_DEVICE_IO_FAILED

6.1.24. CP210x_GetDeviceVid

Description:

Returns the 2-byte Vendor ID field of the Device Descriptor of a CP210x device.

Supported Devices:

CP2101, CP2102, CP2103, CP2104, CP2105, CP2108

Location:

CP210x Manufacturing DLL

Prototype:

CP210x_STATUS CP210x_GetDeviceVid( HANDLE Handle, LPWORD Vid )

Parameters:

1. Handle—Handle to the device to close as returned by CP210x_Open().

2. VID—Pointer to a 2-byte value that returns the Vendor ID of the CP210x device.

Return Value: CP210x_STATUS = CP210x_SUCCESS,



CP210x_INVALID_PARAMETER,



CP210x_INVALID_HANDLE,



CP210x_DEVICE_IO_FAILED

6.1.25. CP210x_GetDevicePid

Description:

Returns the 2-byte Product ID field of the Device Descriptor of a CP210x device.

Supported Devices:

CP2101, CP2102, CP2103, CP2104, CP2105, CP2108

Location:

CP210x Manufacturing DLL

Prototype:

CP210x_STATUS CP210x_GetDevicePid( HANDLE Handle, LPWORD Pid )

Parameters:

1. Handle—Handle to the device to close as returned by CP210x_Open().

2. PID—Pointer to a 2-byte value that returns the Product ID of the CP210x device.

Return Value: CP210x_STATUS = CP210x_SUCCESS,



CP210x_INVALID_PARAMETER,



CP210x_INVALID_HANDLE,



CP210x_DEVICE_IO_FAILED

CP2103 Datasheet(PDF) 35 Page - Silicon Laboratories

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