|
|
|
@ -52,17 +52,122 @@
|
|
|
|
|
/* Includes: */
|
|
|
|
|
#include "../../../Common/Common.h"
|
|
|
|
|
|
|
|
|
|
/* Preprocessor Checks: */
|
|
|
|
|
#if !defined(__INCLUDE_FROM_USB_DRIVER)
|
|
|
|
|
#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Public Interface - May be used in end-application: */
|
|
|
|
|
/* Enums: */
|
|
|
|
|
/** Enum for the various states of the USB Host state machine. Only some states are
|
|
|
|
|
* implemented in the LUFA library - other states are left to the user to implement.
|
|
|
|
|
*
|
|
|
|
|
* For information on each possible USB host state, refer to the USB 2.0 specification.
|
|
|
|
|
* Several of the USB host states are broken up further into multiple smaller sub-states,
|
|
|
|
|
* so that they can be internally implemented inside the library in an efficient manner.
|
|
|
|
|
*
|
|
|
|
|
* \see \ref USB_HostState, which stores the current host state machine state.
|
|
|
|
|
*/
|
|
|
|
|
enum USB_Host_States_t
|
|
|
|
|
{
|
|
|
|
|
HOST_STATE_WaitForDeviceRemoval = 0, /**< Internally implemented by the library. This state can be
|
|
|
|
|
* used by the library to wait until the attached device is
|
|
|
|
|
* removed by the user - useful for when an error occurs or
|
|
|
|
|
* further communication with the device is not needed. This
|
|
|
|
|
* allows for other code to run while the state machine is
|
|
|
|
|
* effectively disabled.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_WaitForDevice = 1, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that the stack is waiting for an interval to elapse before
|
|
|
|
|
* continuing with the next step of the device enumeration
|
|
|
|
|
* process.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Unattached = 2, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that the host state machine is waiting for a device to be
|
|
|
|
|
* attached so that it can start the enumeration process.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Powered = 3, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that a device has been attached, and the library's internals
|
|
|
|
|
* are being configured to begin the enumeration process.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Powered_WaitForDeviceSettle = 4, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that the stack is waiting for the initial settling period to
|
|
|
|
|
* elapse before beginning the enumeration process.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Powered_WaitForConnect = 5, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that the stack is waiting for a connection event from the USB
|
|
|
|
|
* controller to indicate a valid USB device has been attached to
|
|
|
|
|
* the bus and is ready to be enumerated.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Powered_DoReset = 6, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that a valid USB device has been attached, and that it is
|
|
|
|
|
* will now be reset to ensure it is ready for enumeration.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Powered_ConfigPipe = 7, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that the attached device is currently powered and reset, and
|
|
|
|
|
* that the control pipe is now being configured by the stack.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Default = 8, /**< Internally implemented by the library. This state indicates
|
|
|
|
|
* that the stack is currently retrieving the control endpoint's
|
|
|
|
|
* size from the device, so that the control pipe can be altered
|
|
|
|
|
* to match.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Default_PostReset = 9, /**< Internally implemented by the library. This state indicates that
|
|
|
|
|
* the control pipe is being reconfigured to match the retrieved
|
|
|
|
|
* control endpoint size from the device, and the device's USB bus
|
|
|
|
|
* address is being set.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Default_PostAddressSet = 10, /**< Internally implemented by the library. This state indicates that
|
|
|
|
|
* the device's address has now been set, and the stack is has now
|
|
|
|
|
* completed the device enumeration process. This state causes the
|
|
|
|
|
* stack to change the current USB device address to that set for
|
|
|
|
|
* the connected device, before progressing to the user-implemented
|
|
|
|
|
* \ref HOST_STATE_Addressed state for further communications.
|
|
|
|
|
*
|
|
|
|
|
* \note Do not manually change to this state in the user code.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Addressed = 11, /**< May be implemented by the user project. This state should
|
|
|
|
|
* set the device configuration before progressing to the
|
|
|
|
|
* \ref HOST_STATE_Configured state. Other processing (such as the
|
|
|
|
|
* retrieval and processing of the device descriptor) should also
|
|
|
|
|
* be placed in this state.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Configured = 12, /**< May be implemented by the user project. This state should implement the
|
|
|
|
|
* actual work performed on the attached device and changed to the
|
|
|
|
|
* \ref HOST_STATE_Suspended or \ref HOST_STATE_WaitForDeviceRemoval states as needed.
|
|
|
|
|
*/
|
|
|
|
|
HOST_STATE_Suspended = 15, /**< May be implemented by the user project. This state should be maintained
|
|
|
|
|
* while the bus is suspended, and changed to either the \ref HOST_STATE_Configured
|
|
|
|
|
* (after resuming the bus with the USB_Host_ResumeBus() macro) or the
|
|
|
|
|
* \ref HOST_STATE_WaitForDeviceRemoval states as needed.
|
|
|
|
|
*/
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Architecture Includes: */
|
|
|
|
|
#if (ARCH == ARCH_AVR8)
|
|
|
|
|
#include "AVR8/Host_AVR8.h"
|
|
|
|
|
#elif (ARCH == ARCH_UC3B)
|
|
|
|
|
#include "UC3B/Host_UC3B.h"
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Preprocessor Checks: */
|
|
|
|
|
#if !defined(__INCLUDE_FROM_USB_DRIVER)
|
|
|
|
|
#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/** @} */
|
|
|
|
|