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Added new USB_Host_GetDeviceStatus() function for USB Host mode.

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This commit is contained in:
Dean Camera 2011-07-12 04:52:21 +00:00
parent f152ff26c7
commit 065ed4da20
4 changed files with 44 additions and 15 deletions
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2
LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h
View file

@ -183,7 +183,7 @@
/* Switch /SS to input mode after configuration to allow for forced mode changes */
DDRB &= ~(1 << 0);
SPCR = ((1 << SPE) | SPIOptions);
SPCR = ((1 << SPE) | SPIOptions);
}
/** Turns off the SPI driver, disabling and returning used hardware to their default configuration. */

16
LUFA/Drivers/USB/Core/HostStandardReq.c
View file

@ -238,6 +238,22 @@ uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index,
return USB_Host_SendControlRequest(Buffer);
}
uint8_t USB_Host_GetDeviceStatus(uint8_t* const FeatureStatus)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),
.bRequest = REQ_GetFeature,
.wValue = 0,
.wIndex = 0,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(FeatureStatus);
}
uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointAddress)
{
USB_ControlRequest = (USB_Request_Header_t)

31
LUFA/Drivers/USB/Core/HostStandardReq.h
View file

@ -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.

10
LUFA/ManPages/ChangeLog.txt
View file

@ -18,13 +18,14 @@
* - Added support for the Audio class GET STATUS request in the Audio Device Class driver so that it is correctly ACKed when sent by the host
* - Added new EVENT_Audio_Device_StreamStartStop() event to the Audio Device Class driver to detect stream start/stop events
* - Added board driver support for the Busware TUL board
* - Added new Host mode Audio Class driver
* - Added new SPI_GetCurrentMode() function to the SPI peripheral driver
* - Added board hardware driver support for the EVK1100 board
* - Added board hardware driver support for the EVK1104 board
* - Added new Host mode Audio Class driver
* - Added new SPI_GetCurrentMode() function to the SPI peripheral driver
* - Added RingBuffer_GetFreeCount() function to the Ring Buffer driver
* - Added new HID_Host_SetIdlePeriod() function to the HID Host Class driver
* - Added new USB_Host_ConfigurationNumber global variable to indicate the selected configuration in an attached device
* - Added RingBuffer_GetFreeCount() function to the Ring Buffer driver
* - Added new USB_Host_GetDeviceStatus() function to the host standard request function set
* - Library Applications:
* - Added RNDIS device mode to the Webserver project
* - Added new incomplete AndroidAccessoryHost Host LowLevel demo
@ -46,7 +47,8 @@
* - Renamed global state variables that are specific to a certain USB mode to clearly indicate which mode the variable relates to,
* by changing the USB_* prefix to USB_Device_* or USB_Host_*
* - Removed the HOST_STATE_WaitForDeviceRemoval and HOST_STATE_Suspended host state machine states, as these are no longer required
* - Altered the USB_Host_SetDeviceConfiguration() function to update the new USB_Host_ConfigurationNumber global as required
* - Altered the USB_Host_SetDeviceConfiguration() function to update the global Host state machine state and the new
* USB_Host_ConfigurationNumber global as required
* - Library Applications:
* - Modified the Low Level and Class Driver AudioInput and AudioOutput demos to support multiple audio sample rates
* - Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationComplete() event callback for device configuration