发布网友 发布时间:2022-04-21 18:13
共2个回答
热心网友 时间:2022-05-23 16:20
/*------------------------------------------------------------------------------
HELLO.C
Copyright 1995-1999 Keil Software, Inc.
------------------------------------------------------------------------------*/
#include <REG52.H> /* special function register declarations */
/* for the intended 8051 derivative */
#include <stdio.h> /* prototype declarations for I/O functions */
#ifdef MONITOR51 /* Debugging with Monitor-51 needs */
char code reserve [3] _at_ 0x23; /* space for serial interrupt if */
#endif /* Stop Exection with Serial Intr. */
/* is enabled */
/*------------------------------------------------
The main C function. Program execution starts
here after stack initialization.
------------------------------------------------*/
void main (void) {
/*------------------------------------------------
Setup the serial port for 1200 baud at 16MHz.
------------------------------------------------*/
#ifndef MONITOR51
SCON = 0x50; /* SCON: mode 1, 8-bit UART, enable rcvr */
TMOD |= 0x20; /* TMOD: timer 1, mode 2, 8-bit reload */
TH1 = 221; /* TH1: reload value for 1200 baud @ 16MHz */
TR1 = 1; /* TR1: timer 1 run */
TI = 1; /* TI: set TI to send first char of UART */
#endif
/*------------------------------------------------
Note that an embedded program never exits (because
there is no operating system to return to). It
must loop and execute forever.
------------------------------------------------*/
while (1) {
P1 ^= 0x01; /* Toggle P1.0 each time we print */
printf ("Hello World\n"); /* Print "Hello World" */
printf ("中文发送\n"); }
}
这是C51\EXAMPLES\HELLO项目中的文件。中文信息当做字符串可以发送。
超级终端再设好端口号,与单片机的串口正确连接后,就可以了。
热心网友 时间:2022-05-23 16:21
51单片机,先后发送两个字节,即可发出一个汉字。
超级终端,收到后,自然,就能显示出来对应的汉字。