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Add drivers for the EVK1101 - begin full port to the AVR32 UC3B line of AVRs.

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This commit is contained in:
Dean Camera 2010-02-22 11:44:34 +00:00
commit aae20139b9
16 changed files with 509 additions and 18 deletions
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99
LUFA/Common/Atomic.h Normal file
View file

@ -0,0 +1,99 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Atomic block header for the 32-bit AVRs, modelled on the 8-bit AVR's util/atomic.h
* header.
*
* \note Do not include this file directly, rather include the Common.h header file instead to gain this file's
* functionality on the 32-bit AVRs.
*/
#ifndef __ATOMIC_H__
#define __ATOMIC_H__
/* Includes: */
#include <avr32/io.h>
#include <stdint.h>
#include <stdbool.h>
/* Public Interface - May be used in end-application: */
/* Macros: */
#define ATOMIC_BLOCK(type) for ( type, __ToDo = __iCliRetVal(); \
__ToDo ; __ToDo = 0 )
#define NONATOMIC_BLOCK(type) for ( type, __ToDo = __iSeiRetVal(); \
__ToDo ; __ToDo = 0 )
#define ATOMIC_RESTORESTATE uint8_t sreg_save \
__attribute__((__cleanup__(__iRestore))) = 0 /* TODO */
#define ATOMIC_FORCEON uint8_t sreg_save \
__attribute__((__cleanup__(__iSeiParam))) = 0
#define NONATOMIC_RESTORESTATE uint8_t sreg_save \
__attribute__((__cleanup__(__iRestore))) = 0 /* TODO */
#define NONATOMIC_FORCEOFF uint8_t sreg_save \
__attribute__((__cleanup__(__iCliParam))) = 0
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Inline Functions: */
static __inline__ uint8_t __iSeiRetVal(void)
{
((avr32_sr_t*)AVR32_SR_T)->gm = true;
return 1;
}
static __inline__ uint8_t __iCliRetVal(void)
{
((avr32_sr_t*)AVR32_SR_T)->gm = false;
return 1;
}
static __inline__ void __iSeiParam(const uint8_t *__s)
{
((avr32_sr_t*)AVR32_SR_T)->gm = true;
__asm__ volatile ("" ::: "memory");
(void)__s;
}
static __inline__ void __iCliParam(const uint8_t *__s)
{
((avr32_sr_t*)AVR32_SR_T)->gm = false;
__asm__ volatile ("" ::: "memory");
(void)__s;
}
static __inline__ void __iRestore(const uint8_t *__s)
{
((avr32_sr_t*)AVR32_SR_T)->gm = *__s;
__asm__ volatile ("" ::: "memory");
}
#endif
#endif

3
LUFA/Common/BoardTypes.h
View file

@ -94,6 +94,9 @@
* such as the Joystick driver, where the removal would adversely affect the code's operation is still disallowed. */
#define BOARD_NONE 10
/** Selects the EVK1101 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
#define BOARD_EVK1101 11
#if !defined(__DOXYGEN__)
#define BOARD_ BOARD_NONE

21
LUFA/Common/Common.h
View file

@ -56,8 +56,17 @@
#define __COMMON_H__
/* Includes: */
#include <avr/io.h>
#if defined(__AVR32__)
#include <avr32/io.h>
#include <stdint.h>
#include "Atomic.h"
#define PROGMEM
#else
#include <avr/io.h>
#endif
#include "FunctionAttributes.h"
#include "BoardTypes.h"
@ -179,6 +188,14 @@
}
}
/* Type Defines: */
#if defined(__AVR32__)
typedef uint32_t uintN_t;
typedef int32_t intN_t;
#else
typedef uint8_t uintN_t;
typedef int8_t intN_t;
#endif
#endif
/** @} */

4
LUFA/Drivers/Board/BUMBLEB/Joystick.h
View file

@ -30,7 +30,7 @@
/** \file
*
* Board specific joystick driver header for the USBKEY. The BUMBLEB third-party board does not include any on-board
* Board specific joystick driver header for the BUMBLEB. The BUMBLEB third-party board does not include any on-board
* peripherals, but does have an officially recommended external peripheral layout for buttons, LEDs and a Joystick.
*
* \note This file should not be included directly. It is automatically included as needed by the joystick driver
@ -40,7 +40,7 @@
/** \ingroup Group_Joystick
* @defgroup Group_Joystick_BUMBLEB BUMBLEB
*
* Board specific joystick driver header for the USBKEY. The BUMBLEB third-party board does not include any on-board
* Board specific joystick driver header for the BUMBLEB. The BUMBLEB third-party board does not include any on-board
* peripherals, but does have an officially recommended external peripheral layout for buttons, LEDs and a Joystick.
*
* \note This file should not be included directly. It is automatically included as needed by the joystick driver

4
LUFA/Drivers/Board/Buttons.h
View file

@ -86,6 +86,8 @@
#include "EVK527/Buttons.h"
#elif (BOARD == BOARD_USER)
#include "Board/Buttons.h"
#elif (BOARD == BOARD_EVK1101)
#include "EVK1101/Buttons.h"
#else
#error The selected board does not contain any GPIO buttons.
#endif
@ -103,7 +105,7 @@
*
* \return Mask indicating which board buttons are currently pressed
*/
static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
static inline uintN_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
#endif
#endif

2
LUFA/Drivers/Board/Dataflash.h
View file

@ -167,6 +167,8 @@
#include "EVK527/Dataflash.h"
#elif (BOARD == BOARD_USER)
#include "Board/Dataflash.h"
#elif (BOARD = BOARD_EVK1101)
#include "EVK1101/Dataflash.h"
#else
#error The selected board does not contain a dataflash IC.
#endif

99
LUFA/Drivers/Board/EVK1101/Buttons.h Normal file
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@ -0,0 +1,99 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Board specific Buttons driver header for the EVK1101.
*
* \note This file should not be included directly. It is automatically included as needed by the Buttons driver
* dispatch header located in LUFA/Drivers/Board/Buttons.h.
*/
/** \ingroup Group_Buttons
* @defgroup Group_Buttons_EVK1101 EVK1101
*
* Board specific Buttons driver header for the EVK1101.
*
* \note This file should not be included directly. It is automatically included as needed by the Buttons driver
* dispatch header located in LUFA/Drivers/Board/Buttons.h.
*
* @{
*/
#ifndef __BUTTONS_EVK1101_H__
#define __BUTTONS_EVK1101_H__
/* Includes: */
#include <avr32/io.h>
#include <stdbool.h>
#include "../../../Common/Common.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_BUTTONS_H)
#error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Button mask for the first button on the board. */
#define BUTTONS_BUTTON1 (1UL << 2)
/** Button mask for the second button on the board. */
#define BUTTONS_BUTTON2 (1UL << 3)
/* Inline Functions: */
#if !defined(__DOXYGEN__)
static inline void Buttons_Init(void)
{
AVR32_GPIO.port[1].gpers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
AVR32_GPIO.port[1].puers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
}
static inline uint32_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
static inline uint32_t Buttons_GetStatus(void)
{
return (~AVR32_GPIO.port[1].pvr & (BUTTONS_BUTTON1 | BUTTONS_BUTTON2));
}
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

117
LUFA/Drivers/Board/EVK1101/Joystick.h Normal file
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@ -0,0 +1,117 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Board specific joystick driver header for the EVK1101.
*
* \note This file should not be included directly. It is automatically included as needed by the joystick driver
* dispatch header located in LUFA/Drivers/Board/Joystick.h.
*/
/** \ingroup Group_Joystick
* @defgroup Group_Joystick_EVK1101 EVK1101
*
* Board specific joystick driver header for the EVK1101.
*
* \note This file should not be included directly. It is automatically included as needed by the joystick driver
* dispatch header located in LUFA/Drivers/Board/Joystick.h.
*
* @{
*/
#ifndef __JOYSTICK_EVK1101_H__
#define __JOYSTICK_EVK1101_H__
/* Includes: */
#include <avr32/io.h>
#include "../../../Common/Common.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_JOYSTICK_H)
#error Do not include this file directly. Include LUFA/Drivers/Board/Joystick.h instead.
#endif
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define JOY_MASK_PA (1 << 13)
#define JOY_MASK_PB ((1 << 6) | (1 << 7) | (1 << 8) | (1 << 9))
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Mask for the joystick being pushed in the left direction. */
#define JOY_LEFT (1UL << 6)
/** Mask for the joystick being pushed in the upward direction. */
#define JOY_UP (1UL << 7)
/** Mask for the joystick being pushed in the right direction. */
#define JOY_RIGHT (1UL << 8)
/** Mask for the joystick being pushed in the downward direction. */
#define JOY_DOWN (1UL << 9)
/** Mask for the joystick being pushed inward. */
#define JOY_PRESS (1UL << 13)
/* Inline Functions: */
#if !defined(__DOXYGEN__)
static inline void Joystick_Init(void)
{
AVR32_GPIO.port[0].gpers = JOY_MASK_PA;
AVR32_GPIO.port[0].puers = JOY_MASK_PA;
AVR32_GPIO.port[1].gpers = JOY_MASK_PB;
AVR32_GPIO.port[1].puers = JOY_MASK_PB;
}
static inline uint32_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
static inline uint32_t Joystick_GetStatus(void)
{
return ((~AVR32_GPIO.port[1].pvr & JOY_MASK_PB) |
(~AVR32_GPIO.port[0].pvr & JOY_MASK_PA));
}
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

138
LUFA/Drivers/Board/EVK1101/LEDs.h Normal file
View file

@ -0,0 +1,138 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Board specific LED driver header for the EVK1101.
*
* \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_EVK1101 EVK1101
*
* Board specific LED driver header for the EVK1101.
*
* \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.
*
* @{
*/
#ifndef __LEDS_EVK1101_H__
#define __LEDS_EVK1101_H__
/* Includes: */
#include <avr32/io.h>
#include "../../../Common/Common.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 (1UL << 7)
/** LED mask for the second LED on the board. */
#define LEDS_LED2 (1UL << 8)
/** LED mask for the third LED on the board. */
#define LEDS_LED3 (1UL << 21)
/** LED mask for the fourth LED on the board. */
#define LEDS_LED4 (1UL << 22)
/** LED mask for all the LEDs on the board. */
#define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2 | LEDS_LED3 | LEDS_LED4)
/** LED mask for the none of the board LEDs */
#define LEDS_NO_LEDS 0
/* Inline Functions: */
#if !defined(__DOXYGEN__)
static inline void LEDs_Init(void)
{
AVR32_GPIO.port[0].gpers = LEDS_ALL_LEDS;
AVR32_GPIO.port[0].oders = LEDS_ALL_LEDS;
AVR32_GPIO.port[0].ovrs = LEDS_ALL_LEDS;
}
static inline void LEDs_TurnOnLEDs(const uint32_t LEDMask)
{
AVR32_GPIO.port[0].ovrc = LEDMask;
}
static inline void LEDs_TurnOffLEDs(const uint32_t LEDMask)
{
AVR32_GPIO.port[0].ovrs = LEDMask;
}
static inline void LEDs_SetAllLEDs(const uint32_t LEDMask)
{
AVR32_GPIO.port[0].ovrs = LEDS_ALL_LEDS;
AVR32_GPIO.port[0].ovrc = LEDMask;
}
static inline void LEDs_ChangeLEDs(const uint32_t LEDMask, const uint32_t ActiveMask)
{
AVR32_GPIO.port[0].ovrs = LEDMask;
AVR32_GPIO.port[0].ovrc = ActiveMask;
}
static inline void LEDs_ToggleLEDs(const uint32_t LEDMask)
{
AVR32_GPIO.port[0].ovrt = LEDMask;
}
static inline uint32_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
static inline uint32_t LEDs_GetLEDs(void)
{
return (AVR32_GPIO.port[0].ovr & LEDS_ALL_LEDS);
}
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

4
LUFA/Drivers/Board/Joystick.h
View file

@ -83,6 +83,8 @@
#include "EVK527/Joystick.h"
#elif (BOARD == BOARD_USER)
#include "Board/Joystick.h"
#elif (BOARD == BOARD_EVK1101)
#include "EVK1101/Joystick.h"
#else
#error The selected board does not contain a joystick.
#endif
@ -100,7 +102,7 @@
* \return Mask indicating the joystick direction - see corresponding board specific Joystick.h file
* for direction masks
*/
static inline uint8_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
static inline uintN_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
#endif
#endif

16
LUFA/Drivers/Board/LEDs.h
View file

@ -84,7 +84,7 @@
static inline void LEDs_SetAllLEDs(const uint8_t LEDMask) {};
static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask) {};
static inline void LEDs_ToggleLEDs(const uint8_t LEDMask) {};
static inline uint8_t LEDs_GetLEDs(void) { return 0; }
static inline uintN_t LEDs_GetLEDs(void) { return 0; }
#elif (BOARD == BOARD_USBKEY)
#include "USBKEY/LEDs.h"
#elif (BOARD == BOARD_STK525)
@ -105,6 +105,8 @@
#include "EVK527/LEDs.h"
#elif (BOARD == BOARD_USER)
#include "Board/LEDs.h"
#elif (BOARD == BOARD_EVK1101)
#include "EVK1101/LEDs.h"
#endif
#if !defined(LEDS_LED1)
@ -134,20 +136,20 @@
*
* \param[in] LEDMask Mask of the board LEDs to manipulate (see board-specific LEDs.h driver file)
*/
static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask);
static inline void LEDs_TurnOnLEDs(const uintN_t LEDMask);
/** Turns off the LEDs specified in the given LED mask.
*
* \param[in] LEDMask Mask of the board LEDs to manipulate (see board-specific LEDs.h driver file)
*/
static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask);
static inline void LEDs_TurnOffLEDs(const uintN_t LEDMask);
/** Turns off all LEDs not specified in the given LED mask, and turns on all the LEDs in the given LED
* mask.
*
* \param[in] LEDMask Mask of the board LEDs to manipulate (see board-specific LEDs.h driver file)
*/
static inline void LEDs_SetAllLEDs(const uint8_t LEDMask);
static inline void LEDs_SetAllLEDs(const uintN_t LEDMask);
/** Turns off all LEDs in the LED mask that are not set in the active mask, and turns on all the LEDs
* specified in both the LED and active masks.
@ -155,20 +157,20 @@
* \param[in] LEDMask Mask of the board LEDs to manipulate (see board-specific LEDs.h driver file)
* \param[in] ActiveMask Mask of whether the LEDs in the LED mask should be turned on or off
*/
static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask);
static inline void LEDs_ChangeLEDs(const uintN_t LEDMask, const uintN_t ActiveMask);
/** Toggles all LEDs in the LED mask, leaving all others in their current states.
*
* \param[in] LEDMask Mask of the board LEDs to manipulate (see board-specific LEDs.h driver file)
*/
static inline void LEDs_ToggleLEDs(const uint8_t LEDMask);
static inline void LEDs_ToggleLEDs(const uintN_t LEDMask);
/** Returns the status of all the board LEDs; set LED masks in the return value indicate that the
* corresponding LED is on.
*
* \return Mask of the board LEDs which are currently turned on
*/
static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
static inline uintN_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
#endif
#endif

6
LUFA/Drivers/Board/Temperature.h
View file

@ -53,7 +53,11 @@
#define __TEMPERATURE_H__
/* Includes: */
#include <avr/pgmspace.h>
#if defined(__AVR32__)
#include <stdint.h>
#else
#include <avr/pgmspace.h>
#endif
#include "../../Common/Common.h"
#include "../Peripheral/ADC.h"

184
LUFA/Drivers/Peripheral/AVRU4U6U7/SPI.h Normal file
View file

@ -0,0 +1,184 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Hardware SPI subsystem driver for the supported USB AVRs models.
*/
/** \ingroup Group_PeripheralDrivers
* @defgroup Group_SPI SPI Driver - LUFA/Drivers/Peripheral/SPI.h
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - None
*
* \section Module Description
* Driver for the hardware SPI port available on most AVR models. This module provides
* an easy to use driver for the setup of and transfer of data over the AVR's SPI port.
*
* @{
*/
#ifndef __SPI_H__
#define __SPI_H__
/* Includes: */
#include <stdbool.h>
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define SPI_USE_DOUBLESPEED (1 << SPE)
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 2. */
#define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 4. */
#define SPI_SPEED_FCPU_DIV_4 0
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 8. */
#define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPR0))
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 16. */
#define SPI_SPEED_FCPU_DIV_16 (1 << SPR0)
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 32. */
#define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (1 << SPR1))
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 64. */
#define SPI_SPEED_FCPU_DIV_64 (SPI_USE_DOUBLESPEED | (1 << SPR1) | (1 << SPR0))
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 128. */
#define SPI_SPEED_FCPU_DIV_128 ((1 << SPR1) | (1 << SPR0))
/** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the rising edge. */
#define SPI_SCK_LEAD_RISING (0 << CPOL)
/** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the falling edge. */
#define SPI_SCK_LEAD_FALLING (1 << CPOL)
/** SPI data sample mode mask for SPI_Init(). Indicates that the data should sampled on the leading edge. */
#define SPI_SAMPLE_LEADING (0 << CPHA)
/** SPI data sample mode mask for SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
#define SPI_SAMPLE_TRAILING (1 << CPHA)
/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
#define SPI_MODE_SLAVE (0 << MSTR)
/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
#define SPI_MODE_MASTER (1 << MSTR)
/* Inline Functions: */
/** Initialises the SPI subsystem, ready for transfers. Must be called before calling any other
* SPI routines.
*
* \param[in] SPIOptions SPI Options, a mask consisting of one of each of the SPI_SPEED_*,
* SPI_SCK_*, SPI_SAMPLE_* and SPI_MODE_* masks
*/
static inline void SPI_Init(const uint8_t SPIOptions)
{
DDRB |= ((1 << 1) | (1 << 2));
PORTB |= ((1 << 0) | (1 << 3));
SPCR = ((1 << SPE) | SPIOptions);
if (SPIOptions & SPI_USE_DOUBLESPEED)
SPSR |= (1 << SPI2X);
else
SPSR &= ~(1 << SPI2X);
}
/** Turns off the SPI driver, disabling and returning used hardware to their default configuration. */
static inline void SPI_ShutDown(void)
{
DDRB &= ~((1 << 1) | (1 << 2));
PORTB &= ~((1 << 0) | (1 << 3));
SPCR = 0;
SPSR = 0;
}
/** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
*
* \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 uint8_t Byte) ATTR_ALWAYS_INLINE;
static inline uint8_t SPI_TransferByte(const uint8_t Byte)
{
SPDR = Byte;
while (!(SPSR & (1 << SPIF)));
return SPDR;
}
/** 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] Byte Byte to send through the SPI interface
*/
static inline void SPI_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
static inline void SPI_SendByte(const uint8_t Byte)
{
SPDR = Byte;
while (!(SPSR & (1 << SPIF)));
}
/** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
* byte from the attached SPI device is returned.
*
* \return The response byte from the attached SPI device
*/
static inline uint8_t SPI_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
static inline uint8_t SPI_ReceiveByte(void)
{
SPDR = 0x00;
while (!(SPSR & (1 << SPIF)));
return SPDR;
}
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

161
LUFA/Drivers/Peripheral/AVRU4U6U7/Serial.h Normal file
View file

@ -0,0 +1,161 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Driver for the USART subsystem on supported USB AVRs.
*/
/** \ingroup Group_PeripheralDrivers
* @defgroup Group_Serial Serial USART Driver - LUFA/Drivers/Peripheral/Serial.h
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/Peripheral/Serial.c
*
* \section Module Description
* Hardware serial USART driver. This module provides an easy to use driver for
* the setup of and transfer of data over the AVR's USART port.
*
* @{
*/
#ifndef __SERIAL_H__
#define __SERIAL_H__
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <stdbool.h>
#include "../../Common/Common.h"
#include "../Misc/TerminalCodes.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
* not set.
*/
#define SERIAL_UBBRVAL(baud) ((((F_CPU / 16) + (baud / 2)) / (baud)) - 1)
/** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
* set.
*/
#define SERIAL_2X_UBBRVAL(baud) ((((F_CPU / 8) + (baud / 2)) / (baud)) - 1)
/* Pseudo-Function Macros: */
#if defined(__DOXYGEN__)
/** Indicates whether a character has been received through the USART.
*
* \return Boolean true if a character has been received, false otherwise
*/
static inline bool Serial_IsCharReceived(void);
#else
#define Serial_IsCharReceived() ((UCSR1A & (1 << RXC1)) ? true : false)
#endif
/* Function Prototypes: */
/** Transmits a given string located in program space (FLASH) through the USART.
*
* \param[in] FlashStringPtr Pointer to a string located in program space
*/
void Serial_TxString_P(const char *FlashStringPtr) ATTR_NON_NULL_PTR_ARG(1);
/** Transmits a given string located in SRAM memory through the USART.
*
* \param[in] StringPtr Pointer to a string located in SRAM space
*/
void Serial_TxString(const char *StringPtr) ATTR_NON_NULL_PTR_ARG(1);
/* Inline Functions: */
/** Initializes the USART, ready for serial data transmission and reception. This initializes the interface to
* standard 8-bit, no parity, 1 stop bit settings suitable for most applications.
*
* \param[in] BaudRate Serial baud rate, in bits per second
* \param[in] DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate
*/
static inline void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed)
{
UCSR1A = (DoubleSpeed ? (1 << U2X1) : 0);
UCSR1B = ((1 << TXEN1) | (1 << RXEN1));
UCSR1C = ((1 << UCSZ11) | (1 << UCSZ10));
DDRD |= (1 << 3);
PORTD |= (1 << 2);
UBRR1 = (DoubleSpeed ? SERIAL_2X_UBBRVAL(BaudRate) : SERIAL_UBBRVAL(BaudRate));
}
/** Turns off the USART driver, disabling and returning used hardware to their default configuration. */
static inline void Serial_ShutDown(void)
{
UCSR1A = 0;
UCSR1B = 0;
UCSR1C = 0;
DDRD &= ~(1 << 3);
PORTD &= ~(1 << 2);
UBRR1 = 0;
}
/** Transmits a given byte through the USART.
*
* \param[in] DataByte Byte to transmit through the USART
*/
static inline void Serial_TxByte(const char DataByte)
{
while (!(UCSR1A & (1 << UDRE1)));
UDR1 = DataByte;
}
/** Receives a byte from the USART.
*
* \return Byte received from the USART
*/
static inline char Serial_RxByte(void)
{
while (!(UCSR1A & (1 << RXC1)));
return UDR1;
}
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

2
LUFA/ManPages/DeviceSupport.txt
View file

@ -20,11 +20,13 @@
* - AT90USB647 (USB Host and Device)
* - AT90USB1286 (USB Device Only)
* - AT90USB1287 (USB Host and Device)
* - AT32UC3B0256 (EXPERIMENTAL)
*
* Currently supported Atmel boards:
* - AT90USBKEY
* - ATAVRUSBRF01
* - EVK527
* - EVK1101 (EXPERIMENTAL)
* - RZUSBSTICK
* - STK525
* - STK526

10
LUFA/Scheduler/Scheduler.h
View file

@ -86,12 +86,16 @@
#define __SCHEDULER_H__
/* Includes: */
#include <avr/io.h>
#if defined(__AVR32__)
#include <avr32/io.h>
#include <stdbool.h>
#else
#include <avr/io.h>
#include <util/atomic.h>
#include <stdbool.h>
#endif
#include "../Common/Common.h"
#include "../Common/Common.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)