serial.h

关于在ARM芯片4510开发板上的LED试验程序的源码.来测试连接在通用I/O接口上的LED灯的控制程序,利用了4510芯片内部的定时器中中断来实现,LED灯的循环.

#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);