Add missing SVN eol-style property to ensure that source code line endings and converted to the native values on checkout.
This commit is contained in:
Dean Camera
parent
46aea9d4ce
commit
e30be658c9
102 changed files with 2771 additions and 2771 deletions
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@ -1,103 +1,103 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
|
||||
and its documentation for any purpose and without fee is hereby
|
||||
granted, 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,
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||||
arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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* \copydetails Group_Buttons_A3BU_XPLAINED
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*
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* \note This file should not be included directly. It is automatically included as needed by the Buttons driver
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* dispatch header located in LUFA/Drivers/Board/Buttons.h.
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*/
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/** \ingroup Group_Buttons
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* \defgroup Group_Buttons_A3BU_XPLAINED XMEGA A3BU Xplained.
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* \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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*
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* Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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*
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* @{
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*/
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#ifndef __BUTTONS_A3BU_XPLAINED_H__
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#define __BUTTONS_A3BU_XPLAINED_H__
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/* Includes: */
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#include <avr/io.h>
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_BUTTONS_H)
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#error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
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#endif
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** Button mask for the first button on the board. */
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#define BUTTONS_BUTTON1 (1 << 5)
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/** Button mask for the second button on the board. */
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#define BUTTONS_BUTTON2 (1 << 1)
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/** Button mask for the third button on the board. */
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#define BUTTONS_BUTTON3 (1 << 2)
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/* Inline Functions: */
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#if !defined(__DOXYGEN__)
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static inline void Buttons_Init(void)
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{
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PORTE_OUTCLR = BUTTONS_BUTTON1;
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PORTF_OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
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PORTE_PIN5CTRL = PORT_OPC_PULLUP_gc;
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PORTF_PIN1CTRL = PORT_OPC_PULLUP_gc;
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PORTF_PIN2CTRL = PORT_OPC_PULLUP_gc;
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}
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static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Buttons_GetStatus(void)
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{
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return ((~PORTE_IN & BUTTONS_BUTTON1) | (~PORTF_IN & (BUTTONS_BUTTON2 | BUTTONS_BUTTON3)));
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}
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
|
||||
and its documentation for any purpose and without fee is hereby
|
||||
granted, 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,
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||||
arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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* \copydetails Group_Buttons_A3BU_XPLAINED
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*
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* \note This file should not be included directly. It is automatically included as needed by the Buttons driver
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* dispatch header located in LUFA/Drivers/Board/Buttons.h.
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*/
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/** \ingroup Group_Buttons
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* \defgroup Group_Buttons_A3BU_XPLAINED XMEGA A3BU Xplained.
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* \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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*
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* Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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*
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* @{
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*/
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#ifndef __BUTTONS_A3BU_XPLAINED_H__
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#define __BUTTONS_A3BU_XPLAINED_H__
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/* Includes: */
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#include <avr/io.h>
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_BUTTONS_H)
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#error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
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#endif
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** Button mask for the first button on the board. */
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#define BUTTONS_BUTTON1 (1 << 5)
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/** Button mask for the second button on the board. */
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#define BUTTONS_BUTTON2 (1 << 1)
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/** Button mask for the third button on the board. */
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#define BUTTONS_BUTTON3 (1 << 2)
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/* Inline Functions: */
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#if !defined(__DOXYGEN__)
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static inline void Buttons_Init(void)
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{
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PORTE_OUTCLR = BUTTONS_BUTTON1;
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PORTF_OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
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PORTE_PIN5CTRL = PORT_OPC_PULLUP_gc;
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PORTF_PIN1CTRL = PORT_OPC_PULLUP_gc;
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PORTF_PIN2CTRL = PORT_OPC_PULLUP_gc;
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}
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static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Buttons_GetStatus(void)
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{
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return ((~PORTE_IN & BUTTONS_BUTTON1) | (~PORTF_IN & (BUTTONS_BUTTON2 | BUTTONS_BUTTON3)));
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}
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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@ -1,220 +1,220 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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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.
|
||||
|
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The author disclaim all warranties with regard to this
|
||||
software, including all implied warranties of merchantability
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||||
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
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||||
in an action of contract, negligence or other tortious action,
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||||
arising out of or in connection with the use or performance of
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this software.
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||||
*/
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/** \file
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* \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.
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* \copydetails Group_Dataflash_A3BU_XPLAINED
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*
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* \note This file should not be included directly. It is automatically included as needed by the dataflash driver
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* dispatch header located in LUFA/Drivers/Board/Dataflash.h.
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*/
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/** \ingroup Group_Dataflash
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* \defgroup Group_Dataflash_A3BU_XPLAINED XMEGA A3BU Xplained.
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* \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.
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*
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* Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board.
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*
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* @{
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*/
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#ifndef __DATAFLASH_A3BU_XPLAINED_H__
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#define __DATAFLASH_A3BU_XPLAINED_H__
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/* Includes: */
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#include "../../../../Common/Common.h"
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#include "../../../Misc/AT45DB642D.h"
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_DATAFLASH_H)
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#error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.
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#endif
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Macros: */
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#define DATAFLASH_CHIPCS_MASK (1 << 4)
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#define DATAFLASH_CHIPCS_PORT PORTF
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#endif
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** Constant indicating the total number of dataflash ICs mounted on the selected board. */
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#define DATAFLASH_TOTALCHIPS 1
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/** Mask for no dataflash chip selected. */
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#define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK
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/** Mask for the first dataflash chip selected. */
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#define DATAFLASH_CHIP1 0
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/** Internal main memory page size for the board's dataflash ICs. */
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#define DATAFLASH_PAGE_SIZE 1024
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/** Total number of pages inside each of the board's dataflash ICs. */
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#define DATAFLASH_PAGES 8192
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/* Inline Functions: */
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/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
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* The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used.
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*/
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static inline void Dataflash_Init(void)
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{
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DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK;
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DATAFLASH_CHIPCS_PORT.OUTSET = DATAFLASH_CHIPCS_MASK;
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}
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/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
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*
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* \param[in] Byte of data to send to the dataflash
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*
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* \return Last response byte from the dataflash
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*/
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static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
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static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
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{
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// TODO
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return 0;
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}
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/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
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*
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* \param[in] Byte of data to send to the dataflash
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*/
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static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
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static inline void Dataflash_SendByte(const uint8_t Byte)
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{
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// TODO
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}
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/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
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*
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* \return Last response byte from the dataflash
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*/
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static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Dataflash_ReceiveByte(void)
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{
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// TODO
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return 0;
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}
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/** Determines the currently selected dataflash chip.
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*
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* \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
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* or a DATAFLASH_CHIPn mask (where n is the chip number).
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*/
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static inline uint8_t Dataflash_GetSelectedChip(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Dataflash_GetSelectedChip(void)
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{
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return (DATAFLASH_CHIPCS_PORT.OUT & DATAFLASH_CHIPCS_MASK);
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}
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/** Selects the given dataflash chip.
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*
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* \param[in] ChipMask Mask of the Dataflash IC to select, in the form of DATAFLASH_CHIPn mask (where n is
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* the chip number).
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*/
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static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;
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static inline void Dataflash_SelectChip(const uint8_t ChipMask)
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{
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DATAFLASH_CHIPCS_PORT.OUT = ((DATAFLASH_CHIPCS_PORT.OUT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
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}
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/** Deselects the current dataflash chip, so that no dataflash is selected. */
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static inline void Dataflash_DeselectChip(void) ATTR_ALWAYS_INLINE;
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static inline void Dataflash_DeselectChip(void)
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{
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Dataflash_SelectChip(DATAFLASH_NO_CHIP);
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}
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/** Selects a dataflash IC from the given page number, which should range from 0 to
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* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one
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* dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside
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* the total number of pages contained in the boards dataflash ICs, all dataflash ICs
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* are deselected.
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*
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* \param[in] PageAddress Address of the page to manipulate, ranging from
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* 0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
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*/
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static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)
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{
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Dataflash_DeselectChip();
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if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))
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return;
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if (PageAddress & 0x01)
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Dataflash_SelectChip(DATAFLASH_CHIP2);
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else
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Dataflash_SelectChip(DATAFLASH_CHIP1);
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}
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/** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive
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* a new command.
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*/
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static inline void Dataflash_ToggleSelectedChipCS(void)
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{
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uint8_t SelectedChipMask = Dataflash_GetSelectedChip();
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Dataflash_DeselectChip();
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Dataflash_SelectChip(SelectedChipMask);
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}
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/** Spin-loops while the currently selected dataflash is busy executing a command, such as a main
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* memory page program or main memory to buffer transfer.
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*/
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static inline void Dataflash_WaitWhileBusy(void)
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{
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Dataflash_ToggleSelectedChipCS();
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Dataflash_SendByte(DF_CMD_GETSTATUS);
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while (!(Dataflash_ReceiveByte() & DF_STATUS_READY));
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Dataflash_ToggleSelectedChipCS();
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}
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/** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with
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* dataflash commands which require a complete 24-bit address.
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*
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* \param[in] PageAddress Page address within the selected dataflash IC
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* \param[in] BufferByte Address within the dataflash's buffer
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*/
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static inline void Dataflash_SendAddressBytes(uint16_t PageAddress,
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const uint16_t BufferByte)
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{
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PageAddress >>= 1;
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Dataflash_SendByte(PageAddress >> 5);
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Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));
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Dataflash_SendByte(BufferByte);
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}
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#endif
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/** @} */
|
||||
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 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 Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.
|
||||
* \copydetails Group_Dataflash_A3BU_XPLAINED
|
||||
*
|
||||
* \note This file should not be included directly. It is automatically included as needed by the dataflash driver
|
||||
* dispatch header located in LUFA/Drivers/Board/Dataflash.h.
|
||||
*/
|
||||
|
||||
/** \ingroup Group_Dataflash
|
||||
* \defgroup Group_Dataflash_A3BU_XPLAINED XMEGA A3BU Xplained.
|
||||
* \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.
|
||||
*
|
||||
* Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef __DATAFLASH_A3BU_XPLAINED_H__
|
||||
#define __DATAFLASH_A3BU_XPLAINED_H__
|
||||
|
||||
/* Includes: */
|
||||
#include "../../../../Common/Common.h"
|
||||
#include "../../../Misc/AT45DB642D.h"
|
||||
|
||||
/* Preprocessor Checks: */
|
||||
#if !defined(__INCLUDE_FROM_DATAFLASH_H)
|
||||
#error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.
|
||||
#endif
|
||||
|
||||
/* Private Interface - For use in library only: */
|
||||
#if !defined(__DOXYGEN__)
|
||||
/* Macros: */
|
||||
#define DATAFLASH_CHIPCS_MASK (1 << 4)
|
||||
#define DATAFLASH_CHIPCS_PORT PORTF
|
||||
#endif
|
||||
|
||||
/* Public Interface - May be used in end-application: */
|
||||
/* Macros: */
|
||||
/** Constant indicating the total number of dataflash ICs mounted on the selected board. */
|
||||
#define DATAFLASH_TOTALCHIPS 1
|
||||
|
||||
/** Mask for no dataflash chip selected. */
|
||||
#define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK
|
||||
|
||||
/** Mask for the first dataflash chip selected. */
|
||||
#define DATAFLASH_CHIP1 0
|
||||
|
||||
/** Internal main memory page size for the board's dataflash ICs. */
|
||||
#define DATAFLASH_PAGE_SIZE 1024
|
||||
|
||||
/** Total number of pages inside each of the board's dataflash ICs. */
|
||||
#define DATAFLASH_PAGES 8192
|
||||
|
||||
/* Inline Functions: */
|
||||
/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
|
||||
* The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used.
|
||||
*/
|
||||
static inline void Dataflash_Init(void)
|
||||
{
|
||||
DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK;
|
||||
DATAFLASH_CHIPCS_PORT.OUTSET = DATAFLASH_CHIPCS_MASK;
|
||||
}
|
||||
|
||||
/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
|
||||
*
|
||||
* \param[in] Byte of data to send to the dataflash
|
||||
*
|
||||
* \return Last response byte from the dataflash
|
||||
*/
|
||||
static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
|
||||
static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
|
||||
{
|
||||
// TODO
|
||||
return 0;
|
||||
}
|
||||
|
||||
/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
|
||||
*
|
||||
* \param[in] Byte of data to send to the dataflash
|
||||
*/
|
||||
static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
|
||||
static inline void Dataflash_SendByte(const uint8_t Byte)
|
||||
{
|
||||
// TODO
|
||||
}
|
||||
|
||||
/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
|
||||
*
|
||||
* \return Last response byte from the dataflash
|
||||
*/
|
||||
static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
|
||||
static inline uint8_t Dataflash_ReceiveByte(void)
|
||||
{
|
||||
// TODO
|
||||
return 0;
|
||||
}
|
||||
|
||||
/** Determines the currently selected dataflash chip.
|
||||
*
|
||||
* \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
|
||||
* or a DATAFLASH_CHIPn mask (where n is the chip number).
|
||||
*/
|
||||
static inline uint8_t Dataflash_GetSelectedChip(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
|
||||
static inline uint8_t Dataflash_GetSelectedChip(void)
|
||||
{
|
||||
return (DATAFLASH_CHIPCS_PORT.OUT & DATAFLASH_CHIPCS_MASK);
|
||||
}
|
||||
|
||||
/** Selects the given dataflash chip.
|
||||
*
|
||||
* \param[in] ChipMask Mask of the Dataflash IC to select, in the form of DATAFLASH_CHIPn mask (where n is
|
||||
* the chip number).
|
||||
*/
|
||||
static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;
|
||||
static inline void Dataflash_SelectChip(const uint8_t ChipMask)
|
||||
{
|
||||
DATAFLASH_CHIPCS_PORT.OUT = ((DATAFLASH_CHIPCS_PORT.OUT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
|
||||
}
|
||||
|
||||
/** Deselects the current dataflash chip, so that no dataflash is selected. */
|
||||
static inline void Dataflash_DeselectChip(void) ATTR_ALWAYS_INLINE;
|
||||
static inline void Dataflash_DeselectChip(void)
|
||||
{
|
||||
Dataflash_SelectChip(DATAFLASH_NO_CHIP);
|
||||
}
|
||||
|
||||
/** Selects a dataflash IC from the given page number, which should range from 0 to
|
||||
* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one
|
||||
* dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside
|
||||
* the total number of pages contained in the boards dataflash ICs, all dataflash ICs
|
||||
* are deselected.
|
||||
*
|
||||
* \param[in] PageAddress Address of the page to manipulate, ranging from
|
||||
* 0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
|
||||
*/
|
||||
static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)
|
||||
{
|
||||
Dataflash_DeselectChip();
|
||||
|
||||
if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))
|
||||
return;
|
||||
|
||||
if (PageAddress & 0x01)
|
||||
Dataflash_SelectChip(DATAFLASH_CHIP2);
|
||||
else
|
||||
Dataflash_SelectChip(DATAFLASH_CHIP1);
|
||||
}
|
||||
|
||||
/** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive
|
||||
* a new command.
|
||||
*/
|
||||
static inline void Dataflash_ToggleSelectedChipCS(void)
|
||||
{
|
||||
uint8_t SelectedChipMask = Dataflash_GetSelectedChip();
|
||||
|
||||
Dataflash_DeselectChip();
|
||||
Dataflash_SelectChip(SelectedChipMask);
|
||||
}
|
||||
|
||||
/** Spin-loops while the currently selected dataflash is busy executing a command, such as a main
|
||||
* memory page program or main memory to buffer transfer.
|
||||
*/
|
||||
static inline void Dataflash_WaitWhileBusy(void)
|
||||
{
|
||||
Dataflash_ToggleSelectedChipCS();
|
||||
Dataflash_SendByte(DF_CMD_GETSTATUS);
|
||||
while (!(Dataflash_ReceiveByte() & DF_STATUS_READY));
|
||||
Dataflash_ToggleSelectedChipCS();
|
||||
}
|
||||
|
||||
/** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with
|
||||
* dataflash commands which require a complete 24-bit address.
|
||||
*
|
||||
* \param[in] PageAddress Page address within the selected dataflash IC
|
||||
* \param[in] BufferByte Address within the dataflash's buffer
|
||||
*/
|
||||
static inline void Dataflash_SendAddressBytes(uint16_t PageAddress,
|
||||
const uint16_t BufferByte)
|
||||
{
|
||||
PageAddress >>= 1;
|
||||
|
||||
Dataflash_SendByte(PageAddress >> 5);
|
||||
Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));
|
||||
Dataflash_SendByte(BufferByte);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
|
||||
|
|
|
|||
|
|
@ -1,127 +1,127 @@
|
|||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.fourwalledcubicle.com
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||||
|
||||
Permission to use, copy, modify, and distribute this software
|
||||
and its documentation for any purpose and without fee is hereby
|
||||
granted, 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 Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
|
||||
* \copydetails Group_LEDs_A3BU_XPLAINED
|
||||
*
|
||||
* \note This file should not be included directly. It is automatically included as needed by the LEDs driver
|
||||
* dispatch header located in LUFA/Drivers/Board/LEDs.h.
|
||||
*/
|
||||
|
||||
/** \ingroup Group_LEDs
|
||||
* \defgroup Group_LEDs_A3BU_XPLAINED XMEGA A3BU Xplained
|
||||
* \brief Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
|
||||
*
|
||||
* Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef __LEDS_A3BU_XPLAINED_H__
|
||||
#define __LEDS_A3BU_XPLAINED_H__
|
||||
|
||||
/* Includes: */
|
||||
#include <avr/io.h>
|
||||
|
||||
/* Enable C linkage for C++ Compilers: */
|
||||
#if defined(__cplusplus)
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Preprocessor Checks: */
|
||||
#if !defined(__INCLUDE_FROM_LEDS_H)
|
||||
#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
|
||||
#endif
|
||||
|
||||
/* Public Interface - May be used in end-application: */
|
||||
/* Macros: */
|
||||
/** LED mask for the first LED on the board. */
|
||||
#define LEDS_LED1 (1 << 0)
|
||||
|
||||
/** LED mask for the second LED on the board. */
|
||||
#define LEDS_LED2 (1 << 1)
|
||||
|
||||
/** LED mask for all the LEDs on the board. */
|
||||
#define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2)
|
||||
|
||||
/** LED mask for none of the board LEDs. */
|
||||
#define LEDS_NO_LEDS 0
|
||||
|
||||
/* Inline Functions: */
|
||||
#if !defined(__DOXYGEN__)
|
||||
static inline void LEDs_Init(void)
|
||||
{
|
||||
PORTR_DIRSET = LEDS_ALL_LEDS;
|
||||
PORTR_OUTSET = LEDS_ALL_LEDS;
|
||||
}
|
||||
|
||||
static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUTCLR = LEDMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUTSET = LEDMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUT = (PORTR.OUT & ~LEDS_ALL_LEDS) | LEDMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask)
|
||||
{
|
||||
PORTR_OUT = (PORTR.OUT & ~LEDMask) | ActiveMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUTTGL = LEDMask;
|
||||
}
|
||||
|
||||
static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
|
||||
static inline uint8_t LEDs_GetLEDs(void)
|
||||
{
|
||||
return (PORTR_OUT & LEDS_ALL_LEDS);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Disable C linkage for C++ Compilers: */
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
|
||||
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.fourwalledcubicle.com
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||||
|
||||
Permission to use, copy, modify, and distribute this software
|
||||
and its documentation for any purpose and without fee is hereby
|
||||
granted, 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 Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
|
||||
* \copydetails Group_LEDs_A3BU_XPLAINED
|
||||
*
|
||||
* \note This file should not be included directly. It is automatically included as needed by the LEDs driver
|
||||
* dispatch header located in LUFA/Drivers/Board/LEDs.h.
|
||||
*/
|
||||
|
||||
/** \ingroup Group_LEDs
|
||||
* \defgroup Group_LEDs_A3BU_XPLAINED XMEGA A3BU Xplained
|
||||
* \brief Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
|
||||
*
|
||||
* Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef __LEDS_A3BU_XPLAINED_H__
|
||||
#define __LEDS_A3BU_XPLAINED_H__
|
||||
|
||||
/* Includes: */
|
||||
#include <avr/io.h>
|
||||
|
||||
/* Enable C linkage for C++ Compilers: */
|
||||
#if defined(__cplusplus)
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Preprocessor Checks: */
|
||||
#if !defined(__INCLUDE_FROM_LEDS_H)
|
||||
#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
|
||||
#endif
|
||||
|
||||
/* Public Interface - May be used in end-application: */
|
||||
/* Macros: */
|
||||
/** LED mask for the first LED on the board. */
|
||||
#define LEDS_LED1 (1 << 0)
|
||||
|
||||
/** LED mask for the second LED on the board. */
|
||||
#define LEDS_LED2 (1 << 1)
|
||||
|
||||
/** LED mask for all the LEDs on the board. */
|
||||
#define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2)
|
||||
|
||||
/** LED mask for none of the board LEDs. */
|
||||
#define LEDS_NO_LEDS 0
|
||||
|
||||
/* Inline Functions: */
|
||||
#if !defined(__DOXYGEN__)
|
||||
static inline void LEDs_Init(void)
|
||||
{
|
||||
PORTR_DIRSET = LEDS_ALL_LEDS;
|
||||
PORTR_OUTSET = LEDS_ALL_LEDS;
|
||||
}
|
||||
|
||||
static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUTCLR = LEDMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUTSET = LEDMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUT = (PORTR.OUT & ~LEDS_ALL_LEDS) | LEDMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask)
|
||||
{
|
||||
PORTR_OUT = (PORTR.OUT & ~LEDMask) | ActiveMask;
|
||||
}
|
||||
|
||||
static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)
|
||||
{
|
||||
PORTR_OUTTGL = LEDMask;
|
||||
}
|
||||
|
||||
static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
|
||||
static inline uint8_t LEDs_GetLEDs(void)
|
||||
{
|
||||
return (PORTR_OUT & LEDS_ALL_LEDS);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Disable C linkage for C++ Compilers: */
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,248 +1,248 @@
|
|||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 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 \c SPI_Init(). Divides the system clock by a factor of 2. */
|
||||
#define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
|
||||
|
||||
/** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 4. */
|
||||
#define SPI_SPEED_FCPU_DIV_4 0
|
||||
|
||||
/** SPI prescaler mask for \c 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 \c 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 \c 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 \c 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 \c 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 \c SPI_Init(). Indicates that the SCK should lead on the rising edge. */
|
||||
#define SPI_SCK_LEAD_RISING 0
|
||||
|
||||
/** SPI clock polarity mask for \c 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 \c SPI_Init(). Indicates that the data should sampled on the leading edge. */
|
||||
#define SPI_SAMPLE_LEADING 0
|
||||
|
||||
/** SPI data sample mode mask for \c 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 \c SPI_Init(). Indicates that data should be shifted out MSB first. */
|
||||
#define SPI_ORDER_MSB_FIRST 0
|
||||
|
||||
/** SPI data order mask for \c 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 \c SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
|
||||
#define SPI_MODE_SLAVE 0
|
||||
|
||||
/** SPI mode mask for \c 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(const SPI_t* 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(const SPI_t* 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(const SPI_t* SPI) ATTR_ALWAYS_INLINE;
|
||||
static inline uint8_t SPI_GetCurrentMode(const SPI_t* 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(const SPI_t* SPI,
|
||||
const uint8_t Byte) ATTR_ALWAYS_INLINE;
|
||||
static inline uint8_t SPI_TransferByte(const SPI_t* 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(const SPI_t* SPI,
|
||||
const uint8_t Byte) ATTR_ALWAYS_INLINE;
|
||||
static inline void SPI_SendByte(const SPI_t* 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(const SPI_t* SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
|
||||
static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI)
|
||||
{
|
||||
SPI->DATA = 0;
|
||||
while (!(SPI->STATUS & SPI_IF_bm));
|
||||
return SPI->DATA;
|
||||
}
|
||||
|
||||
/* Disable C linkage for C++ Compilers: */
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 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 \c SPI_Init(). Divides the system clock by a factor of 2. */
|
||||
#define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
|
||||
|
||||
/** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 4. */
|
||||
#define SPI_SPEED_FCPU_DIV_4 0
|
||||
|
||||
/** SPI prescaler mask for \c 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 \c 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 \c 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 \c 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 \c 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 \c SPI_Init(). Indicates that the SCK should lead on the rising edge. */
|
||||
#define SPI_SCK_LEAD_RISING 0
|
||||
|
||||
/** SPI clock polarity mask for \c 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 \c SPI_Init(). Indicates that the data should sampled on the leading edge. */
|
||||
#define SPI_SAMPLE_LEADING 0
|
||||
|
||||
/** SPI data sample mode mask for \c 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 \c SPI_Init(). Indicates that data should be shifted out MSB first. */
|
||||
#define SPI_ORDER_MSB_FIRST 0
|
||||
|
||||
/** SPI data order mask for \c 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 \c SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
|
||||
#define SPI_MODE_SLAVE 0
|
||||
|
||||
/** SPI mode mask for \c 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(const SPI_t* 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(const SPI_t* 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(const SPI_t* SPI) ATTR_ALWAYS_INLINE;
|
||||
static inline uint8_t SPI_GetCurrentMode(const SPI_t* 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(const SPI_t* SPI,
|
||||
const uint8_t Byte) ATTR_ALWAYS_INLINE;
|
||||
static inline uint8_t SPI_TransferByte(const SPI_t* 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(const SPI_t* SPI,
|
||||
const uint8_t Byte) ATTR_ALWAYS_INLINE;
|
||||
static inline void SPI_SendByte(const SPI_t* 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(const SPI_t* SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
|
||||
static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI)
|
||||
{
|
||||
SPI->DATA = 0;
|
||||
while (!(SPI->STATUS & SPI_IF_bm));
|
||||
return SPI->DATA;
|
||||
}
|
||||
|
||||
/* Disable C linkage for C++ Compilers: */
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue