--- /dev/null
+/*
+ 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 AVR8 microcontrollers.
+ * \copydetails Group_Device_AVR8
+ *
+ * \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_AVR8 Device Management (AVR8)
+ * \brief USB Device definitions for the AVR8 microcontrollers.
+ *
+ * Architecture specific USB Device definitions for the Atmel 8-bit AVR microcontrollers.
+ *
+ * @{
+ */
+
+#ifndef __USBDEVICE_AVR8_H__
+#define __USBDEVICE_AVR8_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 */
+ //@{
+ #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__)
+ /** 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 - please refer to the USB 2.0 specification.
+ */
+ #define USB_DEVICE_OPT_LOWSPEED (1 << 0)
+ #endif
+
+ /** 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)
+ //@}
+
+ #if (!defined(NO_INTERNAL_SERIAL) && \
+ (defined(USB_SERIES_7_AVR) || defined(USB_SERIES_6_AVR) || \
+ defined(USB_SERIES_4_AVR) || defined(USB_SERIES_2_AVR) || \
+ 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 80
+
+ /** Start address of the internal serial number, in the appropriate address space, if present on the selected microcontroller
+ * model.
+ */
+ #define INTERNAL_SERIAL_START_ADDRESS 0x0E
+ #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.
+ *
+ * \attention 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
+ *
+ * \attention 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 UDFNUM;
+ }
+
+ #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_INT_Enable(USB_INT_SOFI);
+ }
+
+ /** 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_INT_Disable(USB_INT_SOFI);
+ }
+ #endif
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Inline Functions: */
+ #if defined(USB_DEVICE_OPT_LOWSPEED)
+ static inline void USB_Device_SetLowSpeed(void) ATTR_ALWAYS_INLINE;
+ static inline void USB_Device_SetLowSpeed(void)
+ {
+ UDCON |= (1 << LSM);
+ }
+
+ static inline void USB_Device_SetFullSpeed(void) ATTR_ALWAYS_INLINE;
+ static inline void USB_Device_SetFullSpeed(void)
+ {
+ UDCON &= ~(1 << LSM);
+ }
+ #endif
+
+ static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE;
+ static inline void USB_Device_SetDeviceAddress(const uint8_t Address)
+ {
+ UDADDR = (UDADDR & (1 << ADDEN)) | (Address & 0x7F);
+ }
+
+ static inline void USB_Device_EnableDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE;
+ static inline void USB_Device_EnableDeviceAddress(const uint8_t Address)
+ {
+ (void)Address;
+
+ UDADDR |= (1 << ADDEN);
+ }
+
+ static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+ static inline bool USB_Device_IsAddressSet(void)
+ {
+ return (UDADDR & (1 << ADDEN));
+ }
+
+ #if (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
+ 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 = boot_signature_byte_get(SigReadAddress);
+
+ if (SerialCharNum & 0x01)
+ {
+ SerialByte >>= 4;
+ SigReadAddress++;
+ }
+
+ SerialByte &= 0x0F;
+
+ UnicodeString[SerialCharNum] = cpu_to_le16((SerialByte >= 10) ?
+ (('A' - 10) + SerialByte) : ('0' + SerialByte));
+ }
+
+ SetGlobalInterruptMask(CurrentGlobalInt);
+ }
+ #endif
+
+ #endif
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+
projects / qmk_firmware.git / blobdiff