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Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Core/UC3/Host_UC3.h')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Core/UC3/Host_UC3.h | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Core/UC3/Host_UC3.h b/lib/lufa/LUFA/Drivers/USB/Core/UC3/Host_UC3.h new file mode 100644 index 000000000..5338f7208 --- /dev/null +++ b/lib/lufa/LUFA/Drivers/USB/Core/UC3/Host_UC3.h @@ -0,0 +1,363 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Host definitions for the AVR32 UC3B microcontrollers. + * \copydetails Group_Host_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_Host + * \defgroup Group_Host_UC3B Host Management (UC3B) + * \brief USB Host definitions for the AVR32 UC3B microcontrollers. + * + * Architecture specific USB Host definitions for the Atmel 32-bit AVR UC3B microcontrollers. + * + * @{ + */ + +#ifndef __USBHOST_UC3B_H__ +#define __USBHOST_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../StdDescriptors.h" + #include "../Pipe.h" + #include "../USBInterrupt.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* 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: */ + /* Macros: */ + /** Indicates the fixed USB device address which any attached device is enumerated to when in + * host mode. As only one USB device may be attached to the AVR in host mode at any one time + * and that the address used is not important (other than the fact that it is non-zero), a + * fixed value is specified by the library. + */ + #define USB_HOST_DEVICEADDRESS 1 + + #if !defined(HOST_DEVICE_SETTLE_DELAY_MS) || defined(__DOXYGEN__) + /** Constant for the delay in milliseconds after a device is connected before the library + * will start the enumeration process. Some devices require a delay of up to 5 seconds + * after connection before the enumeration process can start or incorrect operation will + * occur. + * + * The default delay value may be overridden in the user project makefile by defining the + * \c HOST_DEVICE_SETTLE_DELAY_MS token to the required delay in milliseconds, and passed to the + * compiler using the -D switch. + */ + #define HOST_DEVICE_SETTLE_DELAY_MS 1000 + #endif + + /* Enums: */ + /** Enum for the error codes for the \ref EVENT_USB_Host_HostError() event. + * + * \see \ref Group_Events for more information on this event. + */ + enum USB_Host_ErrorCodes_t + { + HOST_ERROR_VBusVoltageDip = 0, /**< VBUS voltage dipped to an unacceptable level. This + * error may be the result of an attached device drawing + * too much current from the VBUS line, or due to the + * AVR's power source being unable to supply sufficient + * current. + */ + }; + + /** Enum for the error codes for the \ref EVENT_USB_Host_DeviceEnumerationFailed() event. + * + * \see \ref Group_Events for more information on this event. + */ + enum USB_Host_EnumerationErrorCodes_t + { + HOST_ENUMERROR_NoError = 0, /**< No error occurred. Used internally, this is not a valid + * ErrorCode parameter value for the \ref EVENT_USB_Host_DeviceEnumerationFailed() + * event. + */ + HOST_ENUMERROR_WaitStage = 1, /**< One of the delays between enumeration steps failed + * to complete successfully, due to a timeout or other + * error. + */ + HOST_ENUMERROR_NoDeviceDetected = 2, /**< No device was detected, despite the USB data lines + * indicating the attachment of a device. + */ + HOST_ENUMERROR_ControlError = 3, /**< One of the enumeration control requests failed to + * complete successfully. + */ + HOST_ENUMERROR_PipeConfigError = 4, /**< The default control pipe (address 0) failed to + * configure correctly. + */ + }; + + /* Inline Functions: */ + /** Returns the current USB frame number, when in host mode. Every millisecond the USB bus is active (i.e. not suspended) + * the frame number is incremented by one. + * + * \return Current USB frame number from the USB controller. + */ + static inline uint16_t USB_Host_GetFrameNumber(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t USB_Host_GetFrameNumber(void) + { + return AVR32_USBB_UHFNUM; + } + + #if !defined(NO_SOF_EVENTS) + /** Enables the host mode Start Of Frame events. When enabled, this causes the + * \ref EVENT_USB_Host_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, + * at the start of each USB frame when a device is enumerated while in host mode. + * + * \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Host_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_EnableSOFEvents(void) + { + USB_INT_Enable(USB_INT_HSOFI); + } + + /** Disables the host mode Start Of Frame events. When disabled, this stops the firing of the + * \ref EVENT_USB_Host_StartOfFrame() event when enumerated in host mode. + * + * \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Host_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_DisableSOFEvents(void) + { + USB_INT_Disable(USB_INT_HSOFI); + } + #endif + + /** Resets the USB bus, including the endpoints in any attached device and pipes on the AVR host. + * USB bus resets leave the default control pipe configured (if already configured). + * + * If the USB bus has been suspended prior to issuing a bus reset, the attached device will be + * woken up automatically and the bus resumed after the reset has been correctly issued. + */ + static inline void USB_Host_ResetBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResetBus(void) + { + AVR32_USBB.UHCON.reset = true; + } + + /** Determines if a previously issued bus reset (via the \ref USB_Host_ResetBus() macro) has + * completed. + * + * \return Boolean \c true if no bus reset is currently being sent, \c false otherwise. + */ + static inline bool USB_Host_IsBusResetComplete(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsBusResetComplete(void) + { + return AVR32_USBB.UHCON.reset; + } + + /** Resumes USB communications with an attached and enumerated device, by resuming the transmission + * of the 1MS Start Of Frame messages to the device. When resumed, USB communications between the + * host and attached device may occur. + */ + static inline void USB_Host_ResumeBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResumeBus(void) + { + AVR32_USBB.UHCON.sofe = true; + } + + /** Suspends the USB bus, preventing any communications from occurring between the host and attached + * device until the bus has been resumed. This stops the transmission of the 1MS Start Of Frame + * messages to the device. + * + * \note While the USB bus is suspended, all USB interrupt sources are also disabled; this means that + * some events (such as device disconnections) will not fire until the bus is resumed. + */ + static inline void USB_Host_SuspendBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_SuspendBus(void) + { + AVR32_USBB.UHCON.sofe = false; + } + + /** Determines if the USB bus has been suspended via the use of the \ref USB_Host_SuspendBus() macro, + * false otherwise. While suspended, no USB communications can occur until the bus is resumed, + * except for the Remote Wakeup event from the device if supported. + * + * \return Boolean \c true if the bus is currently suspended, \c false otherwise. + */ + static inline bool USB_Host_IsBusSuspended(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsBusSuspended(void) + { + return AVR32_USBB.UHCON.sofe; + } + + /** Determines if the attached device is currently enumerated in Full Speed mode (12Mb/s), or + * false if the attached device is enumerated in Low Speed mode (1.5Mb/s). + * + * \return Boolean \c true if the attached device is enumerated in Full Speed mode, \c false otherwise. + */ + static inline bool USB_Host_IsDeviceFullSpeed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsDeviceFullSpeed(void) + { + return (AVR32_USBB.USBSTA.speed == AVR32_USBB_SPEED_FULL); + } + + /** Determines if the attached device is currently issuing a Remote Wakeup request, requesting + * that the host resume the USB bus and wake up the device, \c false otherwise. + * + * \return Boolean \c true if the attached device has sent a Remote Wakeup request, \c false otherwise. + */ + static inline bool USB_Host_IsRemoteWakeupSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsRemoteWakeupSent(void) + { + return AVR32_USBB.UHINT.rxrsmi; + } + + /** Clears the flag indicating that a Remote Wakeup request has been issued by an attached device. */ + static inline void USB_Host_ClearRemoteWakeupSent(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ClearRemoteWakeupSent(void) + { + AVR32_USBB.UHINTCLR.rxrsmic = true; + } + + /** Accepts a Remote Wakeup request from an attached device. This must be issued in response to + * a device's Remote Wakeup request within 2ms for the request to be accepted and the bus to + * be resumed. + */ + static inline void USB_Host_ResumeFromWakeupRequest(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResumeFromWakeupRequest(void) + { + AVR32_USBB.UHCON.resume = true; + } + + /** Determines if a resume from Remote Wakeup request is currently being sent to an attached + * device. + * + * \return Boolean \c true if no resume request is currently being sent, \c false otherwise. + */ + static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) + { + return AVR32_USBB.UHCON.resume; + } + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + static inline void USB_Host_HostMode_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_HostMode_On(void) + { + // Not required for UC3B + } + + static inline void USB_Host_HostMode_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_HostMode_Off(void) + { + // Not required for UC3B + } + + static inline void USB_Host_VBUS_Auto_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_Enable(void) + { + AVR32_USBB.USBCON.vbushwc = false; + } + + static inline void USB_Host_VBUS_Manual_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_Enable(void) + { + AVR32_USBB.USBCON.vbushwc = true; + } + + static inline void USB_Host_VBUS_Auto_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_On(void) + { + AVR32_USBB.USBSTASET.vbusrqs = true; + } + + static inline void USB_Host_VBUS_Manual_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_On(void) + { + AVR32_USBB.USBSTASET.vbusrqs = true; + } + + static inline void USB_Host_VBUS_Auto_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_Off(void) + { + AVR32_USBB.USBSTACLR.vbusrqc = true; + } + + static inline void USB_Host_VBUS_Manual_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_Off(void) + { + AVR32_USBB.USBSTACLR.vbusrqc = true; + } + + static inline void USB_Host_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Host_SetDeviceAddress(const uint8_t Address) + { + AVR32_USBB.UHADDR1.uhaddr_p0 = Address; + AVR32_USBB.UHADDR1.uhaddr_p1 = Address; + AVR32_USBB.UHADDR1.uhaddr_p2 = Address; + AVR32_USBB.UHADDR1.uhaddr_p3 = Address; + AVR32_USBB.UHADDR2.uhaddr_p4 = Address; + AVR32_USBB.UHADDR2.uhaddr_p5 = Address; + AVR32_USBB.UHADDR2.uhaddr_p6 = Address; + } + + /* Enums: */ + enum USB_Host_WaitMSErrorCodes_t + { + HOST_WAITERROR_Successful = 0, + HOST_WAITERROR_DeviceDisconnect = 1, + HOST_WAITERROR_PipeError = 2, + HOST_WAITERROR_SetupStalled = 3, + }; + + /* Function Prototypes: */ + void USB_Host_ProcessNextHostState(void); + uint8_t USB_Host_WaitMS(uint8_t MS); + + #if defined(__INCLUDE_FROM_HOST_C) + static void USB_Host_ResetDevice(void); + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + |