CP2103 datasheet(36/45 Pages) SILABS

36 / 45 page

AN721

Rev. 1.2

6.1.26. CP210x_GetSelfPower

Description:

Returns the state of the Self-Powered bit of the Power Attributes field of the Configuration Descrip-

tor of a CP210x device.

Supported Devices:

CP2101, CP2102, CP2103, CP2104, CP2105, CP2108

Location:

CP210x Manufacturing DLL

Prototype:

CP210x_STATUS CP210x_GetSelfPower( HANDLE Handle, LPBOOL SelfPower )

Parameters:

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

2. SelfPower—Pointer to a boolean flag where TRUE means the Self-Powered bit is set, and

FALSE means the Self-Powered bit is cleared.

Return Value: CP210x_STATUS = CP210x_SUCCESS,



CP210x_INVALID_PARAMETER,



CP210x_INVALID_HANDLE,



CP210x_DEVICE_IO_FAILED

6.1.27. CP210x_GetMaxPower

Description:

Returns the 1-byte Max Power field of the Configuration Descriptor of a CP210x device.

Supported Devices:

CP2101, CP2102, CP2103, CP2104, CP2105, CP2108

Location:

CP210x Manufacturing DLL

Prototype:

CP210x_STATUS CP210x_GetMaxPower( HANDLE Handle, LPBYTE MaxPower )

Parameters:

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

2. MaxPower—Pointer to a 1-byte value returning the Maximum power consumption of the

CP210x USB device expressed in 2 mA units.

Return Value: CP210x_STATUS = CP210x_SUCCESS,



CP210x_INVALID_PARAMETER,



CP210x_INVALID_HANDLE,



CP210x_DEVICE_IO_FAILED

6.1.28. CP210x_GetMaxPower

Description:

Returns the 1-byte Max Power field of the Configuration Descriptor of a CP210x device.

Supported Devices:

CP2101, CP2102, CP2103, CP2104, CP2105, CP2108

Location:

CP210x Manufacturing DLL

Prototype:

CP210x_STATUS CP210x_GetMaxPower( HANDLE Handle, LPBYTE MaxPower )

Parameters:

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

2. MaxPower—Pointer to a 1-byte value returning the Maximum power consumption of the

CP210x USB device expressed in 2 mA units.

Return Value: CP210x_STATUS = CP210x_SUCCESS,



CP210x_INVALID_PARAMETER,



CP2103 Datasheet(PDF) 36 Page - Silicon Laboratories

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