AN1603 datasheet(12/21 Pages) STMICROELECTRONICS

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USING THE ST7 USB DEVICE FIRMWARE UPGRADE DEVELOPMENT KIT (DFU-DK)

4.3.10 STDFU_Open

4.3.10.1 Prototype

DWORD STDFU_Open (

DWORD Num,

PHANDLE phDevice);

4.3.10.2 Description

Opens the DFU driver, giving access to its descriptors.

4.3.10.3 Parameters

Num: Number of the selected DFU Device (Given by STDFU_EnumGetNbDevices).

phDevice: handle returned by the function when the driver is successfully opened

4.3.10.4 Returned value

STDFU_NOERROR in case of success, otherwise (Error Code).

4.3.11 STDFU_Close

4.3.11.1 Prototype

DWORD STDFU_Close(PHANDLE phDevice);

4.3.11.2 Description

Closes the DFU driver.

4.3.11.3 Parameters

phDevice: pointer to handle returned by the STDFU_Open function

4.3.11.4 Returned value

STDFU_NOERROR in case of success, otherwise (Error Code).

4.3.12 STDFU_Detach

4.3.12.1 Prototype

DWORD STDFU_Detach (

PHANDLE phDevice,

USHORT wTimeout,

UCHAR DFUInterfaceNumber);

4.3.12.2 Description

Issues a Detach request to the Control Pipe (Endpoint0).

4.3.12.3 Parameters

phDevice: pointer to handle returned by the STDFU_Open function

AN1603 Fiches technique(PDF) 12 Page - STMicroelectronics