board.h

ATmel的AT91sam7SE芯片 USB固件开发源代码

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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"

/// Chip family.
#define at91sam7seek
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \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
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \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
/// 
/// !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
///
/// !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

/// USART0 TXD pin definition.
#define PIN_USART0_RXD  {1 << 5, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// USART0 RXD pin definition.
#define PIN_USART0_TXD  {1 << 6, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// SCK0 pin definition
#define PIN_USART0_SCK  {1 << 2, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT}

/// SPI MISO pin definition.
#define PIN_SPI_MISO   {1 << 12, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_PULLUP}
/// SPI MOSI pin definition.
#define PIN_SPI_MOSI   {1 << 13, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// SPI SPCK pin definition.
#define PIN_SPI_SPCK   {1 << 14, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// List of SPI pin definitions (MISO, MOSI & SPCK).
#define PINS_SPI       PIN_SPI_MISO, PIN_SPI_MOSI, PIN_SPI_SPCK
/// SPI chip select 0 pin definition.
#define PIN_SPI_NPCS0  {1 << 11, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// SPI chip select 1 pin definition.
#define PIN_SPI_NPCS1  {1 << 31, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}

/// SSC transmitter pins definition.
#define PINS_SSC_TX  {0x00038000, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}

/// PWMC PWM0 pin definition.
#define PIN_PWMC_PWM0  {1 << 0, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// PWMC PWM0 pin definition.
#define PIN_PWMC_PWM1  {1 << 1, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/// PWMC PWM0 pin definition.
#define PIN_PWMC_PWM2  {1 << 2, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}

/// TWI pins definition.
#define PINS_TWI  {0x00000018, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_OPENDRAIN}

/// USB VBus monitoring pin definition.
#define PIN_USB_VBUS    {1 << 19, AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_INPUT, PIO_DEFAULT}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM7SE-EK - External components"
/// This page lists the definitions related to external on-board components
/// located in the board.h file for the AT91SAM7SE-EK.
/// 
/// !AT45 Dataflash (serial onboard DataFlash)
/// - BOARD_AT45_A_SPI_BASE
/// - BOARD_AT45_A_SPI_ID
/// - BOARD_AT45_A_SPI_PINS
/// - BOARD_AT45_A_SPI
/// - BOARD_AT45_A_NPCS
/// - BOARD_AT45_A_NPCS_PIN
///
/// !AT73C213
/// - BOARD_AT73C213_SPI
/// - BOARD_AT73C213_SPI_ID
/// - BOARD_AT73C213_NPCS
/// - BOARD_AT73C213_SSC
/// - BOARD_AT73C213_SSC_ID

/// Base address of SPI peripheral connected to the dataflash.
#define BOARD_AT45_A_SPI_BASE         AT91C_BASE_SPI
/// Identifier of SPI peripheral connected to the dataflash.
#define BOARD_AT45_A_SPI_ID           AT91C_ID_SPI
/// Pins of the SPI peripheral connected to the dataflash.
#define BOARD_AT45_A_SPI_PINS         PINS_SPI
/// Dataflash SPI peripheral index.
#define BOARD_AT45_A_SPI              0
/// Chip select connected to the dataflash.
#define BOARD_AT45_A_NPCS             0
/// Chip select pin connected to the dataflash.
#define BOARD_AT45_A_NPCS_PIN         PIN_SPI_NPCS0

/// Base address of SPI peripheral to which the DAC is connected.
#define BOARD_AT73C213_SPI          AT91C_BASE_SPI
/// Peripheral ID of the SPI connected to the DAC.
#define BOARD_AT73C213_SPI_ID       AT91C_ID_SPI
/// Chip select value for accessing the DAC with the SPI.
#define BOARD_AT73C213_SPI_NPCS     1
/// Pins required by the SPI interface.
#define BOARD_AT73C213_SPI_PINS     PINS_SPI, PIN_SPI_NPCS1
/// SSC peripheral to which the DAC is connected.
#define BOARD_AT73C213_SSC          AT91C_BASE_SSC
/// Peripheral ID of the SSC connected to the DAC.
#define BOARD_AT73C213_SSC_ID       AT91C_ID_SSC
/// Pins required by the SSC interface.
#define BOARD_AT73C213_SSC_PINS     PINS_SSC_TX
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "SAM7SE-EK - Memories"
/// This page lists definitions related to external on-board memories.
///
/// !Embedded flash
/// - BOARD_FLASH_EFC
///
/// !SDRAM
/// - AT91C_EBI_SDRAM
/// - BOARD_SDRAM_SIZE
/// - PINS_SDRAM
/// 
/// !Nandflash
/// - BOARD_NF_COMMAND_ADDR
/// - BOARD_NF_ADDRESS_ADDR
/// - BOARD_NF_DATA_ADDR
/// - BOARD_NF_CE_PIN
/// - BOARD_NF_RB_PIN
/// - PINS_NANDFLASH
///
/// !NorFlash
/// - BOARD_NORFLASH_ADDR

/// Indicates board has an EFC.
#define BOARD_FLASH_EFC

/// Base address of the SDRAM memory connected to the EBI.
#define AT91C_EBI_SDRAM    ((volatile unsigned char *) 0x20000000)
/// Board SDRAM size
#define BOARD_SDRAM_SIZE   0x04000000
/// List of the pins used by the EBI to connect to the external SDRAM chip.
#define PINS_SDRAM  \
    {0x3F800000, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}, \
    {0x0003FFFF, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_PERIPH_B, PIO_DEFAULT}, \
    {0x0000FFFF, AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_A, PIO_DEFAULT}

/// Nandflash controller peripheral pins definition.
#define PINS_NANDFLASH          {0x001800FF, AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_A, PIO_DEFAULT}, \
                                {0x00060000, AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT}, \
                                BOARD_NF_CE_PIN, \
                                BOARD_NF_RB_PIN
/// Nandflash chip enable pin definition.
#define BOARD_NF_CE_PIN         {1 << 18, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_OUTPUT_1, PIO_DEFAULT}
/// Nandflash ready/busy pin definition.
#define BOARD_NF_RB_PIN         {1 << 19, AT91C_BASE_PIOB, AT91C_ID_PIOB, PIO_INPUT, PIO_PULLUP}
/// Address for transferring command bytes to the nandflash.
#define BOARD_NF_COMMAND_ADDR   0x40400000
/// Address for transferring address bytes to the nandflash.
#define BOARD_NF_ADDRESS_ADDR   0x40200000
/// Address for transferring data bytes to the nandflash.
#define BOARD_NF_DATA_ADDR      0x40000000

/// Address for transferring command bytes to the norflash.
#define BOARD_NORFLASH_ADDR     0x10000000
//------------------------------------------------------------------------------

#endif //#ifndef BOARD_H