board.h

本程序是以前程序的升级

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, Atmel Corporation
 *
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//------------------------------------------------------------------------------
/// \dir
/// !Purpose
/// 
/// Definition and functions for using AT91CAP9-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 AT91CAP9-STK characteristics, AT91CAP9-dependant PIOs and
/// external components interfacing.
/// 
/// !Usage
/// -# For operating frequency information, see "AT91CAP9-STK - Operating frequencies".
/// -# For using portable PIO definitions, see "AT91CAP9-STK - PIO definitions".
/// -# Several USB definitions are included here (see "AT91CAP9-STK - USB device").
/// -# For external components definitions, see "AT91CAP9-STK - External components".
/// -# For memory-related definitions, see "AT91CAP9-STK - Memories".
//------------------------------------------------------------------------------

#ifndef BOARD_H
#define BOARD_H

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

#if defined(at91cap9)
    #include "at91cap9/AT91CAP9.h"
#else
    #error Board does not support the specified chip.
#endif

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

//------------------------------------------------------------------------------
/// \page "AT91CAP9-STK - Board Description"
/// This page lists several definition related to the board description
///
/// !Definitions
/// - BOARD_NAME

/// Name of the board.
#define BOARD_NAME "AT91CAP9-STK"
/// Board definition.
#define at91cap9stk
/// Family definition (already defined).
//#define at91cap9
/// CP15 available
#define CP15_PRESENT
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "AT91CAP9-STK - 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           12000000

/// Master clock frequency (when using board_lowlevel.c).
#define BOARD_MCK               ((12000000 * 50 / 3) / 2)

//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// ADC
//------------------------------------------------------------------------------
/// ADC clock frequency, at 10-bit resolution (in Hz)
#define ADC_MAX_CK_10BIT         5000000
/// Startup time max, return from Idle mode (in 祍)
#define ADC_STARTUP_TIME_MAX       40
/// Track and hold Acquisition Time min (in ns)
#define ADC_TRACK_HOLD_TIME_MIN   500

//------------------------------------------------------------------------------
/// \page "AT91CAP9-STK - 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_UDPHS
/// - BOARD_USB_PULLUP_INTERNAL
/// - BOARD_USB_NUMENDPOINTS
/// - BOARD_USB_ENDPOINTS_MAXPACKETSIZE
/// - BOARD_USB_ENDPOINTS_BANKS

/// Chip has a UDPHS controller.
#define BOARD_USB_UDPHS

/// 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 == 0) ? 64 : 1024)

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

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

//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "AT91CAP9-STK - 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.
///
/// !Programmable clocks
/// - PIN_PCK2
///
/// !DBGU
/// - PINS_DBGU
/// 
/// !LEDs
/// - PIN_LED_0
/// - PIN_LED_1
/// - PINS_LEDS
/// - LED_POWER
/// - LED_DS1
/// - LED_DS2
/// 
/// !Push buttons
/// - PIN_PUSHBUTTON_1
/// - PIN_PUSHBUTTON_2
/// - PINS_PUSHBUTTONS
/// - PUSHBUTTON_BP1
/// - PUSHBUTTON_BP2
/// - JOYSTICK_LEFT
/// - JOYSTICK_RIGHT
/// 
/// !SPI0
/// - PIN_SPI0_MISO
/// - PIN_SPI0_MOSI
/// - PIN_SPI0_SPCK
/// - PINS_SPI0
/// - PIN_SPI0_NPCS0
/// - PIN_SPI0_NPCS1
/// - PIN_SPI0_NPCS2
///
/// !SSC
/// - PINS_SSC_TX
///
/// !PWMC
/// - PIN_PWMC_PWM0
/// - PIN_PWMC_PWM1
/// - PIN_PWM_LED0
/// - PIN_PWM_LED1
/// - CHANNEL_PWM_LED0
/// - CHANNEL_PWM_LED1
///
/// !ADC
/// - PIN_ADC_ADC0
/// - PIN_ADC_ADC1
/// - PIN_ADC_ADC2
/// - PIN_ADC_ADC3
/// - PINS_ADC
///
/// !USB
/// - PIN_USB_VBUS
/// 
/// !MCI
/// - PINS_MCI
/// 
/// !TWI
/// - PINS_TWI

/// PCK0 pin definition.
#define PIN_PCK2  {AT91C_PA15_PCK2, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}

/// List of all DBGU pin definitions.
#define PINS_DBGU   {(1<<30)|(1<<31), AT91C_BASE_PIOC, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}

/// LED #0 pin definition.
#define PIN_LED_0  {AT91C_PIO_PA10, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
/// LED #1 pin definition.
#define PIN_LED_1  {AT91C_PIO_PA14, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
/// List of all LEDs definitions.
#define PINS_LEDS  PIN_LED_0, PIN_LED_1

/// Push button #1 pin definition.
#define PIN_PUSHBUTTON_1  {1 << 9, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_INPUT, PIO_PULLUP}
/// Push button #2 pin definition.
#define PIN_PUSHBUTTON_2  {1 << 8, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_INPUT, PIO_PULLUP}
/// List of push button pin 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
/// Simulated joystick LEFT index.
#define JOYSTICK_LEFT    0
/// Simulated joystick RIGHT index.
#define JOYSTICK_RIGHT   1

/// SPI MISO pin definition.
#define PIN_SPI0_MISO  {AT91C_PA0_SPI0_MISO, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_PULLUP}
/// SPI MOSI pin definition.
#define PIN_SPI0_MOSI  {AT91C_PA1_SPI0_MOSI, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// SPI SPCK pin definition.
#define PIN_SPI0_SPCK  {AT91C_PA2_SPI0_SPCK, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// List of SPI pin definitions (MISO, MOSI & SPCK).
#define PINS_SPI0      PIN_SPI0_MISO, PIN_SPI0_MOSI, PIN_SPI0_SPCK
/// SPI chip select 0 pin definition.
#define PIN_SPI0_NPCS0 {AT91C_PA5_SPI0_NPCS0, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// SPI chip select 1 pin definition.
#define PIN_SPI0_NPCS1 {AT91C_PA3_SPI0_NPCS1, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// SPI chip select 2 pin definition.
#define PIN_SPI0_NPCS2 {AT91C_PA4_SPI0_NPCS2A, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}

/// SSC transmitter pins definition.
#define PINS_SSC_TX  {0x00000007, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}

/// PWMC PWM1 pin definition.
#define PIN_PWMC_PWM1  {1 << 10, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// PWMC PWM2 pin definition.
#define PIN_PWMC_PWM3  {1 << 11, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// PWM pin definition for LED0
#define PIN_PWM_LED0 PIN_PWMC_PWM1
/// PWM pin definition for LED1
#define PIN_PWM_LED1 PIN_PWMC_PWM3
/// PWM channel for LED0
#define CHANNEL_PWM_LED0 1
/// PWM channel for LED1
#define CHANNEL_PWM_LED1 3

/// ADC_AD0 pin definition.
#define PIN_ADC_ADC0  {AT91C_PB13_AD0, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD1 pin definition.
#define PIN_ADC_ADC1  {AT91C_PB14_AD1, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}