arm uart

weixin_30639719發表於2020-04-05

void uart_putchar(unsigned char k)
{
 while(!(UTRSTAT0&0x04))

  ;  
  UTXH0 = k;
}
unsigned char uart_getchar(void)
{
 unsigned char c;
 while(!(UTRSTAT0&1<<0))

  ;
  c = URXH0;
 return c;
}

 

真是 踏遍鐵鞋無覓處, 害我1天在整啊

轉載於:https://www.cnblogs.com/kwingmei/p/3257248.html

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