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Added new USB_Host_GetDeviceConfiguration() and USB_Host_GetInterfaceAltSetting() functions.

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This commit is contained in:
Dean Camera 2011-11-24 11:33:10 +00:00
parent 7f8dbb4908
commit e915d968a5
5 changed files with 71 additions and 11 deletions
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29
LUFA/Drivers/USB/Core/HostStandardReq.h
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@ -130,6 +130,19 @@
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
*/
uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber);
/** Sends a GET CONFIGURATION standard request to the attached device, to retrieve the currently selected
* device configuration index.
*
* \note After this routine returns, the control pipe will be selected.
*
* \ingroup Group_PipeControlReq
*
* \param[out] ConfigNumber Pointer to a location where the retrieved configuration index should be stored.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
*/
uint8_t USB_Host_GetDeviceConfiguration(uint8_t* const ConfigNumber) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a GET DESCRIPTOR standard request to the attached device, requesting the device descriptor.
* This can be used to easily retrieve information about the device such as its VID, PID and power
@ -206,6 +219,22 @@
uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceIndex,
const uint8_t AltSetting);
/** Retrieves the current alternative setting for the specified interface, via a GET INTERFACE standard request to
* the attached device.
*
* \note After this routine returns, the control pipe will be selected.
*
* \ingroup Group_PipeControlReq
*
* \param[in] InterfaceIndex Index of the interface whose alternative setting is to be altered.
* \param[out] AltSetting Pointer to a location where the retrieved alternative setting value should be stored.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
*/
uint8_t USB_Host_GetInterfaceAltSetting(const uint8_t InterfaceIndex,
uint8_t* const AltSetting) ATTR_NON_NULL_PTR_ARG(2);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Enums: */