uart_txd.c

NIOS II IDE 编程

#include<stdio.h>
#include<string.h>
int main(void)
{
  char msg[10];
  int i;
  FILE*fp;
  fp=fopen("/dev/uart","w");
  printf("hello to red logic world\n");
  printf("input string press <enter> to exit\n");
  while(fp)
  {
    for(i=0;i<10;i++)
    msg[i]=getchar();
    fprintf(fp,"%s\n",msg);
  }
  fclose(fp);
  return 0;
}