CP2114 datasheet(3/54 Pages) SILABS

3 / 54 page

AN433

Rev. 0.5

2. API Functions

The following API functions apply to the CP2110 and CP2114.

Definition

Description

Page #

HidUart_GetNumDevices()

Returns the number of devices connected

HidUart_GetString()

Returns a string for a device by index

HidUart_GetOpenedString()

Returns a string for a device by device object pointer

HidUart_GetIndexedString()

Returns an indexed USB string descriptor by index

(Windows/Linux only)

HidUart_GetOpenedIndexedString() Returns an indexed USB string descriptor by device object

pointer (Windows/Linux only)

HidUart_GetAttributes()

Returns the VID, PID, and release number for a device by

index.

HidUart_GetOpenedAttributes()

Returns the VID, PID, and release number for a device by

device object pointer.

HidUart_Open()

Opens a device and returns a device object pointer

HidUart_Close()

Cancels pending IO and closes a device

HidUart_IsOpened()

Returns the device opened status

HidUart_SetUartEnable()

Enables/disables the UART

HidUart_GetUartEnable()

Gets UART status

HidUart_Read()

Reads a block of data from a device

HidUart_Write()

Writes a block of data to a device

HidUart_FlushBuffers()

Flushes the TX and RX buffers for a device

HidUart_CancelIo()

Cancels pending HID reads and writes (Windows only)

HidUart_SetTimeouts()

Sets read and write block timeouts for a device

HidUart_GetTimeouts()

Gets read and write block timeouts for a device

HidUart_GetUartStatus()

Returns the number of bytes in the device transmit and receive

FIFOs and parity/overrun errors

HidUart_SetUartConfig()

Sets baud rate, parity, flow control, data bits, and stop bits

HidUart_GetUartConfig()

Gets baud rate, parity, flow control, data bits, and stop bits

HidUart_StartBreak()

Starts transmission of the line break for the specified duration

HidUart_StopBreak()

Stops transmission of the line break

HidUart_Reset()

Resets the device with re-enumeration

HidUart_ReadLatch()

Gets the port latch value from a device

CP2114 Datasheet(PDF) 3 Page - Silicon Laboratories

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