board.h

本程序是以前程序的升级

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
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 * Copyright (c) 2008, Atmel Corporation
 *
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//------------------------------------------------------------------------------
/// \dir
/// !Purpose
/// 
/// Definition and functions for using AT91SAM7L-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 AT91SAM7L-EK characteristics, AT91SAM7L-dependant PIOs and
/// external components interfacing.
/// 
/// !Usage
/// -# For operating frequency information, see "SAM7L-EK - Operating frequencies".
/// -# For using portable PIO definitions, see "SAM7L-EK - PIO definitions".
//------------------------------------------------------------------------------

#ifndef BOARD_H 
#define BOARD_H

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

#if defined(at91sam7l64)
    #include "at91sam7l64/AT91SAM7L64.h"
#elif defined(at91sam7l128)
    #include "at91sam7l128/AT91SAM7L128.h"
#else
    #error Board does not support the specified chip.
#endif

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

//------------------------------------------------------------------------------
/// \page "SAM7L-EK - Board Description"
/// This page lists several definition related to the board description
///
/// !Definitions
/// - BOARD_NAME

/// Name of the board.
#define BOARD_NAME "AT91SAM7L-EK"
/// Board definition.
#define at91sam7lek
/// Family definition.
#define at91sam7l
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM7L-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_MCK

/// Master clock frequency (when using board_lowlevel.c).
#define BOARD_MCK               (32768 * 915)
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// ADC
//------------------------------------------------------------------------------
/// ADC clock frequency, at 10-bit resolution (in Hz)
#define ADC_MAX_CK_10BIT         6000000
/// ADC clock frequency, at 8-bit resolution (in Hz)
#define ADC_MAX_CK_8BIT         10000000
/// Startup time max, return from Idle mode (in 祍)
#define ADC_STARTUP_TIME_MAX       15
/// Track and hold Acquisition Time min (in ns)
#define ADC_TRACK_HOLD_TIME_MIN   500

//------------------------------------------------------------------------------
/// \page "SAM7L-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.
///  
/// !PCK
/// - PIN_PCK0
/// 
/// !DBGU
/// - PINS_DBGU
/// 
/// !LEDs
/// - PIN_LED_DS1
/// - PIN_LED_DS2
/// - PIN_LED_DS3
/// - PIN_LED_DS4
/// - PINS_LEDS
/// - LED_DS1
/// - LED_DS2
/// - LED_DS3
/// - LED_DS4
///
/// !Push buttons
/// - PIN_PUSHBUTTON_1
/// - PIN_PUSHBUTTON_2
/// - PIN_PUSHBUTTON_3
/// - PIN_PUSHBUTTON_4
/// - PINS_PUSHBUTTONS
/// - PUSHBUTTON_BP1
/// - PUSHBUTTON_BP2
/// - PUSHBUTTON_BP3
/// - PUSHBUTTON_BP4
///
/// !USART
/// - PIN_USART0_TXD_POW
/// 
/// !SPI
/// - PIN_SPI_MOSI
/// - PIN_SPI_MISO
/// - PIN_SPI_SPCK
/// - PIN_SPI_NPCS3
/// - PINS_SPI
/// 
/// !USB
/// - PIN_USB_VBUS
/// - PIN_USB_PULLUP
/// 
/// !Keyboard Matrix
/// - PIN_KBMATRIX_ROW_0
/// - PIN_KBMATRIX_ROW_1
/// - PIN_KBMATRIX_ROW_2
/// - PIN_KBMATRIX_ROW_3
/// - PIN_KBMATRIX_ROW_4
/// - PINS_KBMATRIX_ROWS
/// - PIN_KBMATRIX_COL_0
/// - PIN_KBMATRIX_COL_1
/// - PIN_KBMATRIX_COL_2
/// - PIN_KBMATRIX_COL_3
/// - PIN_KBMATRIX_COL_4
/// - PIN_KBMATRIX_COL_5
/// - PIN_KBMATRIX_COL_6
/// - PINS_KBMATRIX_COLS
/// - PINS_KBMATRIX_WAKEUP
///
/// !PWMC
/// - PIN_PWMC_PWM0
/// - PIN_PWMC_PWM1
/// - PIN_PWMC_PWM2
/// - PIN_PWM_LED0
/// - PIN_PWM_LED1
/// - CHANNEL_PWM_LED0
/// - CHANNEL_PWM_LED1
///
/// !TWI
/// - PINS_TWI

/// PCK0 pin definition.
#define PIN_PCK0  {1 << 23, AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_A, PIO_DEFAULT}

/// DBGU pins (DTXD and DRXD) definitions.
#define PINS_DBGU   {(1<<16)|(1<<17), AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_A, PIO_DEFAULT}

/// LED #0 pin definition.
#define PIN_LED_0  {1 << 7, AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_OUTPUT_1, PIO_DEFAULT}