serial.h

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#include "stdio.h"

#define ARM7_ULCON0     (*(volatile unsigned *)0x03FFD000) //UART channel0 line control register
#define ARM7_UCON0      (*(volatile unsigned *)0x03FFD004) //UART channel0 control register
#define ARM7_USTAT0     (*(volatile unsigned *)0x03FFD008) //UART channel0 status register
#define ARM7_UTXBUF0    (*(volatile unsigned *)0x03FFD00c) //UART channel0 transimit holding register
#define ARM7_URXBUF0    (*(volatile unsigned *)0x03FFD010) //UART channel0 recieve buffer register
#define ARM7_UBRDIV0    (*(volatile unsigned *)0x03FFD014) //Baud rate divisor register0
#define ARM7_BRDCNT0    (*(volatile unsigned *)0x03FFD018)
#define ARM7_BRDCLK0    (*(volatile unsigned *)0x03FFD01c)
 

/*****串口初始化******/

void InitUART(int Baudrate); 
void UART0_SendByte(unsigned char data);