diff options
Diffstat (limited to 'LUFA/Drivers/USB/Core/HostStandardReq.h')
-rw-r--r-- | LUFA/Drivers/USB/Core/HostStandardReq.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/LUFA/Drivers/USB/Core/HostStandardReq.h b/LUFA/Drivers/USB/Core/HostStandardReq.h index 3358d2774..caa42e322 100644 --- a/LUFA/Drivers/USB/Core/HostStandardReq.h +++ b/LUFA/Drivers/USB/Core/HostStandardReq.h @@ -104,9 +104,7 @@ */ uint8_t USB_Host_SendControlRequest(void* const BufferPtr); - /** Convenience function. This routine sends a SET CONFIGURATION standard request to the attached - * device, with the given configuration index. This can be used to easily set the device - * configuration without creating and sending the request manually. + /** Sends a SET CONFIGURATION standard request to the attached device, with the given configuration index. * * This routine will automatically update the \ref USB_HostState and \ref USB_Host_ConfigurationNumber * state variables according to the given function parameters and the result of the request. @@ -121,9 +119,9 @@ */ uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber); - /** Convenience function. This routine 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 requirements. + /** 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 + * requirements. * * \note After this routine returns, the control pipe will be selected. * @@ -136,10 +134,9 @@ */ uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr); - /** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached - * device, requesting the string descriptor of the specified index. This can be used to easily - * retrieve string descriptors from the device by index, after the index is obtained from the - * Device or Configuration descriptors. + /** Sends a GET DESCRIPTOR standard request to the attached device, requesting the string descriptor + * of the specified index. This can be used to easily retrieve string descriptors from the device by + * index, after the index is obtained from the Device or Configuration descriptors. * * \note After this routine returns, the control pipe will be selected. * @@ -156,6 +153,20 @@ void* const Buffer, const uint8_t BufferLength); + /** Retrieves the current feature status of the attached device, via a GET STATUS standard request. The + * retrieved feature status can then be examined by masking the retrieved value with the various + * FEATURE_* masks for bus/self power information and remote wakeup support. + * + * \note After this routine returns, the control pipe will be selected. + * + * \ingroup Group_PipeControlReq + * + * \param[out] FeatureStatus Location where the retrieved feature status should be stored. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_GetDeviceStatus(uint8_t* const FeatureStatus); + /** Clears a stall condition on the given pipe, via a CLEAR FEATURE standard request to the attached device. * * \note After this routine returns, the control pipe will be selected. |