text: /*
   * @brief NXP LPCXpresso LPC824 board file
   *
   * @note
   * Copyright(C) NXP Semiconductors, 2012
   * All rights reserved.
   *
   * @par
   * Software that is described herein is for illustrative purposes only
   * which provides customers with programming information regarding the
   * LPC products.  This software is supplied "AS IS" without any warranties of
   * any kind, and NXP Semiconductors and its licensor disclaim any and
   * all warranties, express or implied, including all implied warranties of
   * merchantability, fitness for a particular purpose and non-infringement of
   * intellectual property rights.  NXP Semiconductors assumes no responsibility
   * or liability for the use of the software, conveys no license or rights under any
   * patent, copyright, mask work right, or any other intellectual property rights in
   * or to any products. NXP Semiconductors reserves the right to make changes
   * in the software without notification. NXP Semiconductors also makes no
   * representation or warranty that such application will be suitable for the
   * specified use without further testing or modification.
   *
   * @par
   * Permission to use, copy, modify, and distribute this software and its
   * documentation is hereby granted, under NXP Semiconductors' and its
   * licensor's relevant copyrights in the software, without fee, provided that it
   * is used in conjunction with NXP Semiconductors microcontrollers.  This
   * copyright, permission, and disclaimer notice must appear in all copies of
   * this code.
   */
  
  #ifndef __BOARD_H_
  #define __BOARD_H_
  
  #include "chip.h"
  /* board_api.h is included at the bottom of this file after DEBUG setup */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /** @defgroup BOARD_NXP_LPCXPRESSO_824 NXP LPC824 LPCXpresso board support software API functions
   * @ingroup LPCOPEN_8XX_BOARD_LPCXPRESSO_824
   * The board support software API functions provide some simple abstracted
   * functions used across multiple LPCOpen board examples. See @ref BOARD_COMMON_API
   * for the functions defined by this board support layer.<br>
   * @{
   */
  
  /** @defgroup LPCOPEN_8XX_BOARD_LPCXPRESSO_824_OPTIONS BOARD: LPC824 LPCXpresso board build options
   * This board has options that configure its operation at build-time.<br>
   * @{
   */
  
  /** Define the frequency in Hz, of the main oscillator (from Xtal) 
   * Note that it only takes effect if main oscillator is selected as clock source
   */
  #define MAIN_OSC_XTAL_FREQ_HZ		12000000
  /** Define the frequency in Hz, of the external clock input.
   * Note that it only takes effect if external clock is selected as clock source
   */
  #define EXT_CLOCK_IN_FREQ_HZ		0
  
  //#define USE_IRC_AS_ROOT_CLOCK /*注释掉使用外部晶体 打开定义则是使用内部IRC*/
  
  #define BOARD_LED_CNT 8
  #define BOARD_KEY_CNT 3
  
  typedef enum _enum_boardKeys
  {
  	BOARD_KEY_0 = 0,
  	BOARD_KEY_1 = 1,
  	BOARD_KEY_2 = 2,
  }enum_boardKeys;
  
  // define LED bits (bit <--> pin on port 0) only if in board.c file
  #ifdef  _BOARD_C_
  static const uint8_t ledBits[BOARD_LED_CNT] = {7, 13, 16, 17, 19, 27, 28, 18};
  static const uint8_t cs_keyBits[BOARD_KEY_CNT] = {12, 4 , 1};
  static const uint8_t cs_keyIoConNdce[BOARD_KEY_CNT] = {IOCON_PIO12, IOCON_PIO4, IOCON_PIO1};
  #endif
   
  /** Define DEBUG_ENABLE to enable IO via the DEBUGSTR, DEBUGOUT, and
      DEBUGIN macros. If not defined, DEBUG* functions will be optimized
  	out of the code at build time.
   */
  #define DEBUG_ENABLE
  
  /** Define DEBUG_SEMIHOSTING along with DEBUG_ENABLE to enable IO support
      via semihosting. You may need to use a C library that supports
  	semihosting with this option.
   */
  //#define DEBUG_SEMIHOSTING
  
  /** Board UART used for debug output and input using the DEBUG* macros. This
      is also the port used for Board_UARTPutChar, Board_UARTGetChar, and
  	Board_UARTPutSTR functions. Although you can setup multiple UARTs here,
  	the board code only supoprts UART0 in the Board_UART_Init() fucntion,
  	so be sure to change it there too if not using UART0.
   */
  #define DEBUG_UART LPC_USART1
  
  /**
   * @}
   */
  
  /* Board name */
  #define BOARD_NXP_LPCXPRESSO_824
  
  
  #include "board_api.h"
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __BOARD_H_ */
  