求解答：关于蓝牙控制进入单片机串口中断的问题

ID:707564 · 发表于 2020-3-21 18:24

求大神解答:小辈不知道为什么这个程序蓝牙无法触发中断（如果不出意外这个程序的显示为蓝牙触发舵机转动并在oled上显示舵机转动状态）
#include "REG51.h"
#include "led.h"
#include "spi.h"
#include "bmp.h"
sbit SG_PWM=P2^0;
unsigned char count=0;
unsigned char PWM_count=1;
unsigned char  order;
void Timer_Init()
{
  TMOD=0X01;
  TH0=0Xfe;
  TL0=0X0c;    //????????????0.5ms ?0.5ms????????ж?
  ET0=1;
  TR0=1;
  EA=1;
}
void Timer() interrupt 1
{
  TR0=0;
  TH0=0Xfe;
  TL0=0X0c;
  if(count<=PWM_count)
  {
SG_PWM=1;
  }
  else
  {
SG_PWM=0;
  }
  count++;
  if(count>=40)
  {
count=0;
  }
  TR0=1;
}
void InitUART(void)
{
TMOD = 0x20;
SCON = 0x50;
TH1 = 0xF3;
TL1 = TH1;
PCON = 0x80;
EA = 1;
ES = 1;
TR1 = 1;
  }
void UARTInterrupt(void) interrupt 4
{
   LED_Toggle();
   order=SBUF;
  Timer_Init();
switch(order)
{
case '0':
   LED_Toggle();
PWM_count=1;
         count=0;
         EA=1;
         OLED_Clear();
      OLED_Display_GB2312_string(1,0,"顺时针45度");break;
case '1':
LED_Toggle();
PWM_count=0;
         count=0;
         EA=1;
OLED_Clear();
  OLED_Display_GB2312_string(1,0,"顺时针180度"); break;
case '2':
LED_Toggle();
   PWM_count=3;
         count=0;
            EA=1;
   OLED_Clear();
   OLED_Display_GB2312_string(1,0,"顺时针减90度");break;
case '3':
LED_Toggle();
         PWM_count=1;
         count=0;
            EA=1;
            OLED_Clear();
         OLED_Display_GB2312_string(1,0,"顺时针加90度");break;
            default:break;
  RI=0;
   SBUF=order;
  while(!TI)
TI=0;
}
void main(void)
{
float t=0;
Timer_Init();
   InitUART();
OLED_Init();
OLED_ColorTurn(0)
OLED_DisplayTurn(0)
OLED_Clear();

}

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