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CP2112 Datasheet(PDF) 2 Page - Silicon Laboratories |
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CP2112 Datasheet(HTML) 2 Page - Silicon Laboratories |
2 / 36 page AN496 2 Rev. 0.2 2. API Functions Table 2. API Functions Table Definition Description Page # HidSmbus_GetNumDevices() Returns the number of devices connected 3 HidSmbus_GetString() Returns a string for a device by index 4 HidSmbus_GetOpenedString() Returns a string for a device by device object pointer 5 HidSmbus_GetIndexedString() Returns an indexed USB string descriptor by index (Windows Only) 6 HidSmbus_GetOpenedIndexedString() Returns an indexed USB string descriptor by device object pointer (Windows Only) 6 HidSmbus_GetAttributes() Returns the VID, PID, and release number for a device by index 7 HidSmbus_GetOpenedAttributes() Returns the VID, PID and release number for a device by device object pointer 7 HidSmbus_Open() Opens a device and returns a device object pointer 8 HidSmbus_Close() Cancels pending IO and closes a device 8 HidSmbus_IsOpened() Returns the device opened status 9 HidSmbus_ReadRequest() Initiates a fixed length read request to the desired slave device 9 HidSmbus_AddressReadRequest() Initiates a fixed length read request to the desired slave device specifying the memory address to read 10 HidSmbus_ForceReadResponse() Forces the device to generate and send a read response 11 HidSmbus_GetReadResponse() Returns a read response if available 12 HidSmbus_WriteRequest() Initiates a write request to the desired slave device 13 HidSmbus_TransferStatusRequest() Requests the status of the current read or write request 13 HidSmbus_GetTransferStatusResponse() Returns the status of the current read or write request 14 HidSmbus_CancelTransfer() Cancels the current read or write request 15 HidSmbus_CancelIo() Cancels pending HID reads and writes (Windows Only) 16 HidSmbus_SetTimeouts() Sets the response timeouts for a device 16 HidSmbus_GetTimeouts() Gets the response timeouts for a device 16 HidSmbus_SetSmbusConfig() Sets the bit rate, master address, timeouts, and transfer settings 17 HidSmbus_GetSmbusConfig() Gets the bit rate, master address, timeouts, and transfer settings 18 |
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