board.h

Atmel的AT91SAM9263-EK的TFT驱动的源程序

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//------------------------------------------------------------------------------
/// \dir
/// !Purpose
/// 
/// Definition and functions for using AT91SAM9263-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 AT91SAM9263-EK characteristics, AT91SAM9263-dependant PIOs and
/// external components interfacing.
/// 
/// !Usage
/// -# For operating frequency information, see "SAM9263-EK - Operating frequencies".
/// -# For using portable PIO definitions, see "SAM9263-EK - PIO definitions".
/// -# Several USB definitions are included here (see "SAM9263-EK - USB device").
/// -# For external components definitions, see "SAM79263-EK - External components".
/// -# For memory-related definitions, see "SAM79263-EK - Memories".
//------------------------------------------------------------------------------

#ifndef BOARD_H 
#define BOARD_H

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

#if defined(at91sam9263)
    #include "at91sam9263/AT91SAM9263.h"
#else
    #error Board does not support the specified chip.
#endif

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

//------------------------------------------------------------------------------
/// \page "SAM9263-EK - Board Description"
/// This page lists several definition related to the board description.
///
/// !Definitions
/// - BOARD_NAME

/// Name of the board.
#define BOARD_NAME              "AT91SAM9263-EK"
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM9263-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 in Hz of the board main oscillator.
#define BOARD_MAINOSC           16367660
/// Master clock frequency in Hz when using the board default LowLevelInit
#define BOARD_MCK               ((16367660 * 110 / 9) / 2)
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM9263-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                  6

/// Returns the maximum packet size of the given endpoint.
#define BOARD_USB_ENDPOINTS_MAXPACKETSIZE(i)    ((i >= 4) ? 256 : 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 "SAM9263-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.
/// 
/// !DBGU
/// - PINS_DBGU
/// 
/// !LEDs
/// - PIN_LED_0
/// - PIN_LED_1
/// - PIN_LED_2
/// - PINS_LEDS
/// - LED_POWER
/// - LED_DS1
/// - LED_DS2
/// 
/// !Push buttons
/// - PIN_PUSHBUTTON_1
/// - PIN_PUSHBUTTON_2
/// - PINS_PUSHBUTTONS
/// - PUSHBUTTON_BP1
/// - PUSHBUTTON_BP2
/// 
/// !USART0
/// - PIN_USART0_RXD
/// - PIN_USART0_TXD
/// - PIN_USART0_SCK
/// 
/// !SPI0
/// - PIN_SPI0_MISO
/// - PIN_SPI0_MOSI
/// - PIN_SPI0_SPCK
/// - PINS_SPI0
/// - PIN_SPI0_NPCS0
/// - PIN_SPI0_NPCS3
/// 
/// !SSC
/// - PINS_SSC_TX
/// 
/// !AC97
/// - PINS_AC97
/// 
/// !USB
/// - PIN_USB_VBUS
/// 
/// !MCI
/// - PINS_MCI
/// 
/// !PWMC
/// - PIN_PWMC_PWM0
/// - PIN_PWMC_PWM1
///
/// !TWI
/// - PINS_TWI

/// List of all DBGU pin definitions.
#define PINS_DBGU  {(1<<30) | (1<<31), AT91C_BASE_PIOC, AT91C_ID_PIOCDE, PIO_PERIPH_A, PIO_DEFAULT}

/// LED #0 pin definition.
#define PIN_LED_0    {1 << 7, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_OUTPUT_0, PIO_DEFAULT}
/// LED #1 pin definition.
#define PIN_LED_1    {1 << 8, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_OUTPUT_1, PIO_DEFAULT}
/// LED #2 pin definition.
#define PIN_LED_2    {1 << 29, AT91C_BASE_PIOC, AT91C_ID_PIOCDE, PIO_OUTPUT_1, PIO_DEFAULT}
/// List of all LEDs definitions
#define PINS_LEDS  PIN_LED_0, PIN_LED_1, PIN_LED_2
/// Power LED index.
#define LED_POWER    0
/// DS1 LED index.
#define LED_DS1      1
/// DS2 LED index.
#define LED_DS2      2

/// Push button #1 pin definition.
#define PIN_PUSHBUTTON_1  {1 << 4, AT91C_BASE_PIOC, AT91C_ID_PIOCDE, PIO_INPUT, PIO_PULLUP}
/// Push button #2 pin definition.