11F04E單片機串口通訊，發送1，回傳數據混亂沒有規則，串口初始化有問題嗎？

ID:722679 · 發表于 2020-4-5 08:54

#include "reg52.h"
#include "intrins.h"
void Usartinit()
{SCON=0x50; TMOD=0X20; TL1 = 0xD7; //設定定時初值
TH1 = 0xFE; //設定定時初值 TR1=1; ES=1; EA=1; }
void main(){ UsartInit();while(1){} }
void Usart() interrupt 4
{unsigned char ReceiveData;ReceiveData=1;RI=0;if(ReceiveData == 1)
{ ReceiveData = ReceiveData + 1;}else{ ReceiveData = ReceiveData + 5;}
SBUF=ReceiveData; while(!TI); TI=0;}

ID:213173 · 發表于 2020-4-5 10:11

void Usart() interrupt 4
{
unsigned char ReceiveData;
RI=0;
ReceiveData=SBUF;//保存接收到的數據
if(ReceiveData == 1)
{
ReceiveData = ReceiveData + 1;
}
else
{
ReceiveData = ReceiveData + 5;
}
SBUF=ReceiveData; //回傳處理后的數據
while(!TI);
TI=0;
}

ID:213173 · 發表于 2020-4-5 10:20

#include "reg52.h"
#include "intrins.h"

void Usartinit()
{
SCON = 0x50;
TMOD = 0x20;
TH1 = 0xfd;//晶振11.0592MHz 波特率9600
TL1 = 0xfd;
TR1 = 1;
ES = 1;
EA = 1;
}
void main()
{
UsartInit();
while(1)
{

}
}
void Usart() interrupt 4
{
unsigned char ReceiveData;
RI=0;
ReceiveData=SBUF;//保存接收到的數據
if(ReceiveData == 1)
{
ReceiveData = ReceiveData + 1;
}
else
{
ReceiveData = ReceiveData + 5;
}
SBUF=ReceiveData;
while(!TI); //回傳處理后的數據
TI=0;
}

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11F04E單片機串口通訊，發送1，回傳數據混亂沒有規則，串口初始化有問題嗎？