X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/071e02c6b6b4837fa9cf0b6d4c749994e02638d7..82fa9149d705b70fc6d0e53e3d164fe138ce9a8b:/LUFA/Drivers/USB/LowLevel/Device.h diff --git a/LUFA/Drivers/USB/LowLevel/Device.h b/LUFA/Drivers/USB/LowLevel/Device.h index d8e7739b3..3c5d7cf4f 100644 --- a/LUFA/Drivers/USB/LowLevel/Device.h +++ b/LUFA/Drivers/USB/LowLevel/Device.h @@ -1,21 +1,21 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + 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 + 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 + 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 disclaim all warranties with regard to this @@ -50,11 +50,13 @@ #define __USBDEVICE_H__ /* Includes: */ + #include #include #include - #include "../../../Common/Common.h" + #include "../../../Common/Common.h" #include "../HighLevel/StdDescriptors.h" + #include "USBInterrupt.h" #include "Endpoint.h" /* Preprocessor Checks: */ @@ -65,93 +67,52 @@ #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: */ + /** \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\n + * \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 standard. + * when running in low speed mode - refer to the USB 2.0 specification. */ #define USB_DEVICE_OPT_LOWSPEED (1 << 0) #endif - - /** Mask for the Options parameter of the USB_Init() function. This indicates that the + + /** 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) + //@} - /* Pseudo-Function Macros: */ - #if defined(__DOXYGEN__) - /** 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 macro 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_RemoteWakeupEnabled flag is set). When the NO_DEVICE_REMOTE_WAKEUP compile - * time option is used, this macro is unavailable. - * - * \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors. - */ - static inline void USB_Device_SendRemoteWakeup(void); - - /** Indicates if a Remote Wakeup request is being sent to the host. This returns true if a - * remote wakeup is currently being sent, false otherwise. - * - * This can be used in conjunction with the \ref USB_Device_IsUSBSuspended() macro to determine if - * a sent RMWAKEUP request was accepted or rejected by the host. - * - * \note This macro should only be used if the device has indicated to the host that it - * supports the Remote Wakeup feature in the device descriptors. When the NO_DEVICE_REMOTE_WAKEUP - * compile time option is used, this macro is unavailable. - * - * \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors. - * - * \return Boolean true if no Remote Wakeup request is currently being sent, false otherwise - */ - static inline bool USB_Device_IsRemoteWakeupSent(void); - - /** Indicates if the device is currently suspended by the host. Whilst suspended, the device is - * to enter a low power state until resumed by the host. No USB traffic to or from the device - * can occur (except for Remote Wakeup requests) during suspension by the host. - * - * \return Boolean true if the USB communications have been suspended by the host, false otherwise. - */ - static inline bool USB_Device_IsUSBSuspended(void); - - /** 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. - */ - static inline bool USB_Device_EnableSOFEvents(void); - - /** Disables the device mode Start Of Frame events. When disabled, this stop the firing of the - * \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode. - */ - static inline bool USB_Device_DisableSOFEvents(void); - #else - #if !defined(NO_DEVICE_REMOTE_WAKEUP) - #define USB_Device_SendRemoteWakeup() MACROS{ UDCON |= (1 << RMWKUP); }MACROE - - #define USB_Device_IsRemoteWakeupSent() ((UDCON & (1 << RMWKUP)) ? false : true) - #endif - - #define USB_Device_IsUSBSuspended() ((UDINT & (1 << SUSPI)) ? true : false) - - #define USB_Device_EnableSOFEvents() MACROS{ USB_INT_Enable(USB_INT_SOFI); }MACROE - - #define USB_Device_DisableSOFEvents() MACROS{ USB_INT_Disable(USB_INT_SOFI); }MACROE - #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 macro 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_RemoteWakeupEnabled flag is set). When the NO_DEVICE_REMOTE_WAKEUP compile + * time option is used, this macro 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_Descriptors for more information on the RMWAKEUP feature and device descriptors. + */ + void USB_Device_SendRemoteWakeup(void); + /* Type Defines: */ enum USB_Device_States_t { @@ -180,47 +141,107 @@ * resumed. */ }; - + + /* 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. + */ + 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 Not available when the 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 Not available when the 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 + /* Function Prototypes: */ /** Function to retrieve a given descriptor's size and memory location from the given descriptor type value, - * index and language ID. This function MUST be overridden in the user application (added with full, identical + * index and language ID. This function MUST be overridden in the user application (added with full, identical * prototype and name so that the library can call it to retrieve descriptor data. * - * \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the - * lower byte (when more than one descriptor of the given type exists, such as the - * case of string descriptors). The type may be one of the standard types defined - * in the DescriptorTypes_t enum, or may be a class-specific descriptor type value. - * \param[in] wIndex The language ID of the string to return if the wValue type indicates DTYPE_String, - * otherwise zero for standard descriptors, or as defined in a class-specific - * standards. - * \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to - * the address of the descriptor. - * \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory - * space in which the descriptor is stored. This parameter does not exist when one - * of the USE_*_DESCRIPTORS compile time options is used. + * \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the + * lower byte (when more than one descriptor of the given type exists, such as the + * case of string descriptors). The type may be one of the standard types defined + * in the DescriptorTypes_t enum, or may be a class-specific descriptor type value. + * \param[in] wIndex The language ID of the string to return if the wValue type indicates DTYPE_String, + * otherwise zero for standard descriptors, or as defined in a class-specific + * standards. + * \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to + * the address of the descriptor. + * \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory + * space in which the descriptor is stored. This parameter does not exist when one + * of the USE_*_DESCRIPTORS compile time options is used. * * \note By default, the library expects all descriptors to be located in flash memory via the PROGMEM attribute. * If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to - * allow the descriptors to be changed dynamically at runtime) either the USE_RAM_DESCRIPTORS or the + * allow the descriptors to be changed dynamically at runtime) either the USE_RAM_DESCRIPTORS or the * USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D * switch. * - * \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise + * \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise. */ - uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress + uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, + const uint8_t wIndex, + const void** const DescriptorAddress #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS) , uint8_t* MemoryAddressSpace - #endif - ) - ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); + #endif + ) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) - /* Macros: */ - #define USB_Device_SetLowSpeed() MACROS{ UDCON |= (1 << LSM); }MACROE - #define USB_Device_SetFullSpeed() MACROS{ UDCON &= ~(1 << LSM); }MACROE + /* Inline Functions: */ + #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) + 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)); + UDADDR |= (1 << ADDEN); + } + + static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE; + static inline bool USB_Device_IsAddressSet(void) + { + return (UDADDR & (1 << ADDEN)); + } #endif #endif /** @} */ +