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CP2112 Datasheet(PDF) 2 Page - Silicon Laboratories

Part # CP2112
Description  HID USB-TO-SMBUS API SPECIFICATION
Download  36 Pages
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Manufacturer  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

CP2112 Datasheet(HTML) 2 Page - Silicon Laboratories

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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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