diff options
Diffstat (limited to 'tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h')
| -rw-r--r-- | tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h b/tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h deleted file mode 100644 index 25fb73d16f..0000000000 --- a/tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h +++ /dev/null @@ -1,248 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 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 disclaim 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 SPI Peripheral Driver (XMEGA)
- *
- * On-chip SPI driver for the XMEGA microcontrollers.
- *
- * \note This file should not be included directly. It is automatically included as needed by the SPI driver
- * dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- */
-
-/** \ingroup Group_SPI
- * \defgroup Group_SPI_XMEGA SPI Peripheral Driver (XMEGA)
- *
- * \section Sec_ModDescription Module Description
- * Driver for the hardware SPI port(s) available on XMEGA AVR microcontroller models. This
- * module provides an easy to use driver for the setup and transfer of data over the AVR's
- * SPI ports.
- *
- * \note This file should not be included directly. It is automatically included as needed by the SPI driver
- * dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- *
- * \code
- * // Initialize the SPI driver before first use
- * SPI_Init(&SPIC,
- * SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
- * SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
- *
- * // Send several bytes, ignoring the returned data
- * SPI_SendByte(&SPIC, 0x01);
- * SPI_SendByte(&SPIC, 0x02);
- * SPI_SendByte(&SPIC, 0x03);
- *
- * // Receive several bytes, sending a dummy 0x00 byte each time
- * uint8_t Byte1 = SPI_ReceiveByte(&SPIC);
- * uint8_t Byte2 = SPI_ReceiveByte(&SPIC);
- * uint8_t Byte3 = SPI_ReceiveByte(&SPIC);
- *
- * // Send a byte, and store the received byte from the same transaction
- * uint8_t ResponseByte = SPI_TransferByte(&SPIC, 0xDC);
- * \endcode
- *
- * @{
- */
-
-#ifndef __SPI_XMEGA_H__
-#define __SPI_XMEGA_H__
-
- /* Includes: */
- #include "../../../Common/Common.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_SPI_H)
- #error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead.
- #endif
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Macros: */
- #define SPI_USE_DOUBLESPEED SPI_CLK2X_bm
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** \name SPI Prescaler Configuration Masks */
- //@{
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 2. */
- #define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
-
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 4. */
- #define SPI_SPEED_FCPU_DIV_4 0
-
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 8. */
- #define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPI_PRESCALER_gp))
-
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 16. */
- #define SPI_SPEED_FCPU_DIV_16 (1 << SPI_PRESCALER_gp)
-
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 32. */
- #define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (2 << SPI_PRESCALER_gp))
-
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 64. */
- #define SPI_SPEED_FCPU_DIV_64 (2 << SPI_PRESCALER_gp)
-
- /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 128. */
- #define SPI_SPEED_FCPU_DIV_128 (3 << SPI_PRESCALER_gp)
- //@}
-
- /** \name SPI SCK Polarity Configuration Masks */
- //@{
- /** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the rising edge. */
- #define SPI_SCK_LEAD_RISING 0
-
- /** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the falling edge. */
- #define SPI_SCK_LEAD_FALLING SPI_MODE1_bm
- //@}
-
- /** \name SPI Sample Edge Configuration Masks */
- //@{
- /** SPI data sample mode mask for \ref SPI_Init(). Indicates that the data should sampled on the leading edge. */
- #define SPI_SAMPLE_LEADING 0
-
- /** SPI data sample mode mask for \ref SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
- #define SPI_SAMPLE_TRAILING SPI_MODE0_bm
- //@}
-
- /** \name SPI Data Ordering Configuration Masks */
- //@{
- /** SPI data order mask for \ref SPI_Init(). Indicates that data should be shifted out MSB first. */
- #define SPI_ORDER_MSB_FIRST 0
-
- /** SPI data order mask for \ref SPI_Init(). Indicates that data should be shifted out LSB first. */
- #define SPI_ORDER_LSB_FIRST SPI_DORD_bm
- //@}
-
- /** \name SPI Mode Configuration Masks */
- //@{
- /** SPI mode mask for \ref SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
- #define SPI_MODE_SLAVE 0
-
- /** SPI mode mask for \ref SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
- #define SPI_MODE_MASTER SPI_MASTER_bm
- //@}
-
- /* Inline Functions: */
- /** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other
- * SPI routines.
- *
- * \param[in,out] SPI Pointer to the base of the SPI peripheral within the device.
- * \param[in] SPIOptions SPI Options, a mask consisting of one of each of the \c SPI_SPEED_*,
- * \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks.
- */
- static inline void SPI_Init(SPI_t* const SPI,
- const uint8_t SPIOptions)
- {
- SPI->CTRL = (SPIOptions | SPI_ENABLE_bm);
- }
-
- /** Turns off the SPI driver, disabling and returning used hardware to their default configuration.
- *
- * \param[in,out] SPI Pointer to the base of the SPI peripheral within the device.
- */
- static inline void SPI_Disable(SPI_t* const SPI)
- {
- SPI->CTRL &= ~SPI_ENABLE_bm;
- }
-
- /** Retrieves the currently selected SPI mode, once the SPI interface has been configured.
- *
- * \param[in,out] SPI Pointer to the base of the SPI peripheral within the device.
- *
- * \return \ref SPI_MODE_MASTER if the interface is currently in SPI Master mode, \ref SPI_MODE_SLAVE otherwise
- */
- static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI) ATTR_ALWAYS_INLINE;
- static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI)
- {
- return (SPI->CTRL & SPI_MASTER_bm);
- }
-
- /** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
- *
- * \param[in,out] SPI Pointer to the base of the SPI peripheral within the device.
- * \param[in] Byte Byte to send through the SPI interface.
- *
- * \return Response byte from the attached SPI device.
- */
- static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
- const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
- const uint8_t Byte)
- {
- SPI->DATA = Byte;
- while (!(SPI->STATUS & SPI_IF_bm));
- return SPI->DATA;
- }
-
- /** Sends a byte through the SPI interface, blocking until the transfer is complete. The response
- * byte sent to from the attached SPI device is ignored.
- *
- * \param[in,out] SPI Pointer to the base of the SPI peripheral within the device.
- * \param[in] Byte Byte to send through the SPI interface.
- */
- static inline void SPI_SendByte(SPI_t* const SPI,
- const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline void SPI_SendByte(SPI_t* const SPI,
- const uint8_t Byte)
- {
- SPI->DATA = Byte;
- while (!(SPI->STATUS & SPI_IF_bm));
- }
-
- /** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
- * byte from the attached SPI device is returned.
- *
- * \param[in,out] SPI Pointer to the base of the SPI peripheral within the device.
- *
- * \return The response byte from the attached SPI device.
- */
- static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
- static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI)
- {
- SPI->DATA = 0;
- while (!(SPI->STATUS & SPI_IF_bm));
- return SPI->DATA;
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
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