基于stm32f103ZE单片机的小车蓝牙控制程序

ID:713074 · 发表于 2020-8-6 00:04

//部分代码
//红外遥控函数

#include "IRCtrol.h"
#include "interface.h"

unsigned char ir_rec_flag=0;
unsigned char IRCOM[4];
void Time3Init(void)
{
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
TIM_TimeBaseStructure.TIM_Period = 1;
TIM_TimeBaseStructure.TIM_Prescaler = (72 - 1);//72M / 72 = 1us
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Down;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
}
void DelayUóê±s(vu32 nCount)
{
  u16 TIMCounter = nCount;
  TIM_Cmd(TIM3, ENABLE);
  TIM_SetCounter(TIM3, TIMCounter);
  while (TIMCounter>1)
  {
TIMCounter = TIM_GetCounter(TIM3);
  }
  TIM_Cmd(TIM3, DISABLE);
}
void IRCtrolInit(void)
{
      GPIO_InitTypeDef  GPIO_InitStructure;
      EXTI_InitTypeDef       EXTI_InitStructure
      NVIC_InitTypeDef NVIC_InitStructure

      RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO , ENABLE);
      GPIO_InitStructure.GPIO_Pin = IRIN_PIN；
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz
      GPIO_Init(IRIN_GPIO , &GPIO_InitStructure);

      GPIO_EXTILineConfig(IRIN_PORTSOURCE , IRIN_PINSOURCE);
      EXTI_InitStructure.EXTI_Line = IRIN_EXITLINE;
      EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
      EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt
      EXTI_InitStructure.EXTI_LineCmd = ENABLE
      EXTI_Init(&EXTI_InitStructure);//½«ÅäÖÃoÃμÄ2ÎêyD′èë¼Ä′æÆ÷

      NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
      NVIC_InitStructure.NVIC_IRQChannel =       IRIN_IRQCH;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      Time3Init();
}void DelayIr(unsigned char x)
{
  while(x--)
{
  DelayUs(140);
}
}

void IRIntIsr(void)
{
  unsigned char j,k,N=0;
      DelayIr(15);
      if (IRIN==1)
   {
         return;
      }
               continue_time = 40

  while (!IRIN)
{DelayIr(1);}

for (j=0;j<4;j++)
{
  for (k=0;k<8;k++)
  {
while (IRIN)
   {DelayIr(1);}
while (!IRIN)
   {DelayIr(1);}
   while (IRIN)
   {
DelayIr(1);
N++;
if (N>=30)
      {
      return;}
   }
   IRCOM[j]=IRCOM[j] >> 1;
   if (N>=8) {IRCOM[j] = IRCOM[j] | 0x80;}
   N=0;
  }//end for k
}//end for j

      k = ~IRCOM[3];
if (IRCOM[2] != k)
{
   return; }

                              switch(IRCOM[2])
               {
                     case 0x46: ctrl_comm = COMM_UP;break;
                     case 0x15: ctrl_comm = COMM_DOWN;break;
                     case 0x44: ctrl_comm = COMM_LEFT;break;
                     case 0x43: ctrl_comm = COMM_RIGHT;break;
                     case 0x40: ctrl_comm = COMM_STOP;break;
                     default :  return;
               }
               ir_rec_flag = 1;

}

ID:1041356 · 发表于 2022-8-4 11:04

你好，我在手机app上长按前进的时候，小车只会前进一步，不会持续前进，请问要怎么解决？

ID:74784 · 发表于 2022-8-5 11:37

jane4869 发表于 2022-8-4 11:04
你好，我在手机app上长按前进的时候，小车只会前进一步，不会持续前进，请问要怎么解决？

他的代码有问题。

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