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Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h b/lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h new file mode 100644 index 0000000000..759ff350b3 --- /dev/null +++ b/lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h @@ -0,0 +1,266 @@ +/* + 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 Device definitions for the AVR XMEGA microcontrollers. + * \copydetails Group_Device_XMEGA + * + * \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_Device + * \defgroup Group_Device_XMEGA Device Management (XMEGA) + * \brief USB Device definitions for the AVR XMEGA microcontrollers. + * + * Architecture specific USB Device definitions for the Atmel AVR XMEGA microcontrollers. + * + * @{ + */ + +#ifndef __USBDEVICE_XMEGA_H__ +#define __USBDEVICE_XMEGA_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBController.h" + #include "../StdDescriptors.h" + #include "../USBInterrupt.h" + #include "../Endpoint.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 + + #if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)) + #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive. + #endif + + #if (defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)) + #error USE_FLASH_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive. + #endif + + #if (defined(USE_FLASH_DESCRIPTORS) && defined(USE_RAM_DESCRIPTORS)) + #error USE_FLASH_DESCRIPTORS and USE_RAM_DESCRIPTORS are mutually exclusive. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name USB Device Mode Option Masks */ + //@{ + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in low speed (1.5Mb/s) mode. + * + * \note Low Speed mode is not available on all USB AVR models. + * \n + * + * \note Restrictions apply on the number, size and type of endpoints which can be used + * when running in low speed mode - refer to the USB 2.0 specification. + */ + #define USB_DEVICE_OPT_LOWSPEED (1 << 0) + + #if (F_USB > 6000000) + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in full speed (12Mb/s) mode. + */ + #define USB_DEVICE_OPT_FULLSPEED (0 << 0) + #endif + //@} + + #if (!defined(NO_INTERNAL_SERIAL) || defined(__DOXYGEN__)) + /** String descriptor index for the device's unique serial number string descriptor within the device. + * This unique serial number is used by the host to associate resources to the device (such as drivers or COM port + * number allocations) to a device regardless of the port it is plugged in to on the host. Some microcontrollers contain + * a unique serial number internally, and setting the device descriptors serial number string index to this value + * will cause it to use the internal serial number. + * + * On unsupported devices, this will evaluate to \ref NO_DESCRIPTOR and so will force the host to create a pseudo-serial + * number for the device. + */ + #define USE_INTERNAL_SERIAL 0xDC + + /** Length of the device's unique internal serial number, in bits, if present on the selected microcontroller + * model. + */ + #define INTERNAL_SERIAL_LENGTH_BITS (8 * (1 + (offsetof(NVM_PROD_SIGNATURES_t, COORDY1) - offsetof(NVM_PROD_SIGNATURES_t, LOTNUM0)))) + + /** Start address of the internal serial number, in the appropriate address space, if present on the selected microcontroller + * model. + */ + #define INTERNAL_SERIAL_START_ADDRESS offsetof(NVM_PROD_SIGNATURES_t, LOTNUM0) + #else + #define USE_INTERNAL_SERIAL NO_DESCRIPTOR + + #define INTERNAL_SERIAL_LENGTH_BITS 0 + #define INTERNAL_SERIAL_START_ADDRESS 0 + #endif + + /* Function Prototypes: */ + /** Sends a Remote Wakeup request to the host. This signals to the host that the device should + * be taken out of suspended mode, and communications should resume. + * + * Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the + * host computer when the host has suspended all USB devices to enter a low power state. + * + * \note This function should only be used if the device has indicated to the host that it + * supports the Remote Wakeup feature in the device descriptors, and should only be + * issued if the host is currently allowing remote wakeup events from the device (i.e., + * the \ref USB_Device_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP + * compile time option is used, this function is unavailable. + * \n\n + * + * \note The USB clock must be running for this function to operate. If the stack is initialized with + * the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running + * before attempting to call this function. + * + * \see \ref Group_StdDescriptors for more information on the RMWAKEUP feature and device descriptors. + */ + void USB_Device_SendRemoteWakeup(void); + + /* Inline Functions: */ + /** Returns the current USB frame number, when in device mode. Every millisecond the USB bus is active (i.e. enumerated to a host) + * the frame number is incremented by one. + * + * \return Current USB frame number from the USB controller. + */ + static inline uint16_t USB_Device_GetFrameNumber(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline uint16_t USB_Device_GetFrameNumber(void) + { + return ((USB_EndpointTable_t*)USB.EPPTR)->FrameNum; + } + + #if !defined(NO_SOF_EVENTS) + /** Enables the device mode Start Of Frame events. When enabled, this causes the + * \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, + * at the start of each USB frame when enumerated in device mode. + * + * \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Device_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_EnableSOFEvents(void) + { + USB.INTCTRLA |= USB_SOFIE_bm; + } + + /** Disables the device mode Start Of Frame events. When disabled, this stops the firing of the + * \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode. + * + * \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Device_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_DisableSOFEvents(void) + { + USB.INTCTRLA &= ~USB_SOFIE_bm; + } + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Inline Functions: */ + static inline void USB_Device_SetLowSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetLowSpeed(void) + { + USB.CTRLA &= ~USB_SPEED_bm; + } + + static inline void USB_Device_SetFullSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetFullSpeed(void) + { + USB.CTRLA |= USB_SPEED_bm; + } + + static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetDeviceAddress(const uint8_t Address) + { + (void)Address; + + /* No implementation for XMEGA architecture */ + } + + static inline void USB_Device_EnableDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Device_EnableDeviceAddress(const uint8_t Address) + { + USB.ADDR = Address; + } + + static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline bool USB_Device_IsAddressSet(void) + { + return ((USB.ADDR != 0) ? true : false); + } + + static inline void USB_Device_GetSerialString(uint16_t* const UnicodeString) ATTR_NON_NULL_PTR_ARG(1); + static inline void USB_Device_GetSerialString(uint16_t* const UnicodeString) + { + uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask(); + GlobalInterruptDisable(); + + uint8_t SigReadAddress = INTERNAL_SERIAL_START_ADDRESS; + + for (uint8_t SerialCharNum = 0; SerialCharNum < (INTERNAL_SERIAL_LENGTH_BITS / 4); SerialCharNum++) + { + uint8_t SerialByte; + + NVM.CMD = NVM_CMD_READ_CALIB_ROW_gc; + SerialByte = pgm_read_byte(SigReadAddress); + NVM.CMD = 0; + + if (SerialCharNum & 0x01) + { + SerialByte >>= 4; + SigReadAddress++; + } + + SerialByte &= 0x0F; + + UnicodeString[SerialCharNum] = cpu_to_le16((SerialByte >= 10) ? + (('A' - 10) + SerialByte) : ('0' + SerialByte)); + } + + SetGlobalInterruptMask(CurrentGlobalInt); + } + + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + |