board.h

这是在linux下gnu环境中进行norflash测试的代码

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
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 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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 */

//------------------------------------------------------------------------------
/// \dir
/// !Purpose
/// 
/// Definition and functions for using AT91SAM7SE-related features, such
/// has PIO pins, memories, etc.
/// 
/// !Usage
/// -# The code for booting the board is provided by board_cstartup.S and
///    board_lowlevel.c.
/// -# For using board PIOs, board characteristics (clock, etc.) and external
///    components, see board.h.
/// -# For manipulating memories (remapping, SDRAM, etc.), see board_memories.h.
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
/// \unit
/// !Purpose
/// 
/// Definition of AT91SAM7SE-EK characteristics, AT91SAM7SE-dependant PIOs and
/// external components interfacing.
/// 
/// !Usage
/// -# For operating frequency information, see "SAM7SE-EK - Operating frequencies".
/// -# For using portable PIO definitions, see "SAM7SE-EK - PIO definitions".
/// -# Several USB definitions are included here (see "SAM7SE-EK - USB device").
/// -# For external components definitions, see "SAM7SE-EK - External components".
/// -# For memory-related definitions, see "SAM7SE-EK - Memories".
//------------------------------------------------------------------------------

#ifndef BOARD_H 
#define BOARD_H

//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------

#if defined(at91sam7se32)
    #include "at91sam7se32/AT91SAM7SE32.h"
#elif defined(at91sam7se256)
    #include "at91sam7se256/AT91SAM7SE256.h"
#elif defined(at91sam7se512)
    #include "at91sam7se512/AT91SAM7SE512.h"
#else
    #error Board does not support the specified chip.
#endif

//------------------------------------------------------------------------------
//         Definitions
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM7SE-EK - Board Description"
/// This page lists several definition related to the board description
///
/// !Definitions
/// - BOARD_NAME

/// Name of the board.
#define BOARD_NAME "AT91SAM7SE-EK"
/// Board definition.
#define at91sam7seek
/// Family definition.
#define at91sam7se
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM7SE-EK - Operating frequencies"
/// This page lists several definition related to the board operating frequency
/// (when using the initialization done by board_lowlevel.c).
/// 
/// !Definitions
/// - BOARD_MAINOSC
/// - BOARD_MCK

/// Frequency of the board main oscillator.
#define BOARD_MAINOSC           18432000

/// Master clock frequency (when using board_lowlevel.c).
#define BOARD_MCK               48000000
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// ADC
//------------------------------------------------------------------------------
/// ADC clock frequency, at 10-bit resolution (in Hz)
#define ADC_MAX_CK_10BIT         5000000
/// ADC clock frequency, at 8-bit resolution (in Hz)
#define ADC_MAX_CK_8BIT          8000000
/// Startup time max, return from Idle mode (in 祍)
#define ADC_STARTUP_TIME_MAX       20
/// Track and hold Acquisition Time min (in ns)
#define ADC_TRACK_HOLD_TIME_MIN   600


//------------------------------------------------------------------------------
/// \page "SAM7SE-EK - USB device"
/// This page lists constants describing several characteristics (controller
/// type, D+ pull-up type, etc.) of the USB device controller of the chip/board.
/// 
/// !Constants
/// - BOARD_USB_UDP
/// - BOARD_USB_PULLUP_INTERNAL
/// - BOARD_USB_NUMENDPOINTS
/// - BOARD_USB_ENDPOINTS_MAXPACKETSIZE
/// - BOARD_USB_ENDPOINTS_BANKS
/// - BOARD_USB_BMATTRIBUTES

/// Chip has a UDP controller.
#define BOARD_USB_UDP

/// Indicates the D+ pull-up is internal to the USB controller.
#define BOARD_USB_PULLUP_INTERNAL

/// Number of endpoints in the USB controller.
#define BOARD_USB_NUMENDPOINTS                  8

/// Returns the maximum packet size of the given endpoint.
#define BOARD_USB_ENDPOINTS_MAXPACKETSIZE(i)    (((i == 4) || (i == 5)) ? 512 : 64)

/// Returns the number of FIFO banks for the given endpoint.
#define BOARD_USB_ENDPOINTS_BANKS(i)            (((i == 0) || (i == 3)) ? 1 : 2)

/// USB attributes configuration descriptor (bus or self powered, remote wakeup)
#define BOARD_USB_BMATTRIBUTES                  USBConfigurationDescriptor_SELFPOWERED_NORWAKEUP
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM7SE-EK - PIO definitions"
/// This pages lists all the pio definitions contained in board.h. The constants
/// are named using the following convention: PIN_* for a constant which defines
/// a single Pin instance (but may include several PIOs sharing the same
/// controller), and PINS_* for a list of Pin instances.
///
/// !Clocks
/// - PIN_PCK2
/// 
/// !DBGU
/// - PINS_DBGU
/// 
/// !LEDs
/// - PIN_LED_0
/// - PIN_LED_1
/// - PIN_LED_2
/// - PINS_LEDS
/// - LED_DS1
/// - LED_DS2
/// - LED_POWER
/// 
/// !Push buttons
/// - PIN_PUSHBUTTON_1
/// - PIN_PUSHBUTTON_2
/// - PINS_PUSHBUTTONS
/// - PUSHBUTTON_BP1
/// - PUSHBUTTON_BP2
///
/// !Joystick buttons
/// - PIN_JOYSTICK_UP
/// - PIN_JOYSTICK_DOWN
/// - PIN_JOYSTICK_LEFT
/// - PIN_JOYSTICK_RIGHT
/// - PIN_JOYSTICK_LCLIC, PIN_JOYSTICK_PUSH
/// - PIN_JOYSTICK_RCLIC
/// - PINS_JOYSTICK_MOVE, PINS_JOYSTICK_CLIC, PINS_JOYSTICK
/// - JOYSTICK_UP
/// - JOYSTICK_DOWN
/// - JOYSTICK_LEFT
/// - JOYSTICK_RIGHT
/// - JOYSTICK_LCLIC, JOYSTICK_PUSH
/// - JOYSTICK_RCLIC
/// 
/// !USART0
/// - PIN_USART0_RXD
/// - PIN_USART0_TXD
/// - PIN_USART0_SCK
/// 
/// !SPI
/// - PIN_SPI_MISO
/// - PIN_SPI_MOSI
/// - PIN_SPI_SPCK
/// - PINS_SPI
/// - PIN_SPI_NPCS0
/// - PIN_SPI_NPCS1
/// 
/// !SSC
/// - PIN_SSC_TRANSMITTER
///
/// !PWMC
/// - PIN_PWMC_PWM0
/// - PIN_PWMC_PWM1
/// - PIN_PWMC_PWM2
///
/// !ADC
/// - PIN_ADC_ADC0
/// - PIN_ADC_ADC1
/// - PIN_ADC_ADC2
/// - PIN_ADC_ADC3
/// - PINS_ADC
///
/// !TWI
/// - PINS_TWI
/// 
/// !USB
/// - PIN_USB_VBUS

/// Programmable clock output 2 pin definition.
#define PIN_PCK2    {1 << 31, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT}

/// DBGU pins (DTXD and DRXD) definitions.
#define PINS_DBGU  {0x00000600, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}

/// LED #0 pin definition.
#define PIN_LED_0  {1 << 0, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}
/// LED #1 pin definition.
#define PIN_LED_1  {1 << 1, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
/// LED #2 pin definition.
#define PIN_LED_2  {1 << 2, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
/// List of all LEDs pin definitions.
#define PINS_LEDS  PIN_LED_0, PIN_LED_1, PIN_LED_2
/// DS1 LED index.
#define LED_DS1          1
/// DS2 LED index.
#define LED_DS2          2
/// Power LED index.
#define LED_POWER        0 

/// Push button #1 definition.
#define PIN_PUSHBUTTON_1  {1 << 25, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_INPUT, PIO_PULLUP}
/// Push button #2 definition.
#define PIN_PUSHBUTTON_2  {1 << 22, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_INPUT, PIO_PULLUP}
/// List of all push button definitions.
#define PINS_PUSHBUTTONS  PIN_PUSHBUTTON_1, PIN_PUSHBUTTON_2
/// Push button #1 index.
#define PUSHBUTTON_BP1   0
/// Push button #2 index.
#define PUSHBUTTON_BP2   1

// Joystick definition.
/// Joystick UP.
#define PIN_JOYSTICK_UP    {1 << 23, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_INPUT, PIO_PULLUP}
/// Joystick DOWN.
#define PIN_JOYSTICK_DOWN  {1 << 24, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_INPUT, PIO_PULLUP}
/// Joystick LEFT.
#define PIN_JOYSTICK_LEFT  {1 << 27, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_INPUT, PIO_PULLUP}