lpc221x.h

lpc-h22xx.zip 一款LPC2214开发板的代码。功能是测试开发板

/*
 * $Revision: 1.2 $
 */

#ifndef __LPC221x
#define __LPC221x


//XTAL frequency in Hz
#define XTALFREQ  14745600
#define CCLK      XTALFREQ*4

//pclk must always be XTALFREQ/4 when using the ROM monitor.
#define PCLKFREQ (CCLK)

void LPC210xSystemInit();

void LPC210xInitVIC();
void LPC210xInitTimerInterrupt(void(*timer_func)());
void LPC210xInitExternalInterrupt0(void(*eint0_func)());
void LPC210xInitExternalInterrupt1(void(*eint1_func)());
void LPC210xInitExternalInterrupt2(void(*eint2_func)());
void LPC210xInitUART0Interrupt(void(*uart1rx_func)(unsigned char),
                               void(*uart1tx_func)());
                               
void LPC210xInitTimer();
void LPC210xStartTimer();

void LPC210xInitEINT0();
void LPC210xInitEINT1();
void LPC210xInitEINT2();
unsigned char EINT0PinIsLow();
unsigned char EINT1PinIsLow();
unsigned char EINT2PinIsLow();

void LPC210xInitPIO();
void LPC210xLedSet(unsigned short led_state);

void LPC210xInitUART0();

//Transmits one byte via UART1
//Note: The UART1 THRE register must be empty before the call to this function.
void LPC210xUART0TxByte(unsigned char byte);

#include "io_macros.h"

/* BCFGx External memory controler */
typedef struct {
  __REG32 IDCY            :4;
  __REG32                 :1;
  __REG32 WST1            :5;
  __REG32 RBLE            :1;
  __REG32 WST2            :5;
  __REG32                 :8;
  __REG32 BUSERR          :1;
  __REG32 WPERR           :1;
  __REG32 WP              :1;
  __REG32 BM              :1;
  __REG32 MW              :2;
  __REG32 AT              :2;
} __bankcfg_bits;

/***************************************************************************
 **
 ** Bank configuration registers
 **
 ***************************************************************************/
__IO_REG32_BIT(BCFG0, 0xFFE00000,__READ_WRITE,__bankcfg_bits);
__IO_REG32_BIT(BCFG1, 0xFFE00004,__READ_WRITE,__bankcfg_bits);
__IO_REG32_BIT(BCFG2, 0xFFE00008,__READ_WRITE,__bankcfg_bits);
__IO_REG32_BIT(BCFG3, 0xFFE0000C,__READ_WRITE,__bankcfg_bits);

#endif // __LPC221x