哪位帮我看下dmx512的解码器程序为什么不能进中断

只看该作者 · 2013-9-25 17:42

u16 UDR[3];
u16 u16_data;
u16 DATA_R;
u16 DATA_G;
u16 DATA_B;
u8 RXB8=0;
u8 address=1;
u8 address_counter=0;
u8 counter=0;
u8 start_code=0;
u8 break1=0;

void  Uart_Init()
{
  UART1_DeInit();
  UART1_Init((u32)250000,UART1_WORDLENGTH_9D, UART1_STOPBITS_1, \
  UART1_PARITY_NO,UART1_SYNCMODE_CLOCK_DISABLE,UART1_MODE_RX_ENABLE);

  UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE); //开启接收中断
  UART1_Cmd(ENABLE);
}

int main(void)
{

  /* 系统时钟初始化 */
  SystemClock_Init();
  //CLK->PCKENR1|=0X04;
  //CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);//设置时钟为内部时钟16MHz

  GPIO_Init(GPIOA,GPIO_PIN_3, GPIO_MODE_OUT_PP_HIGH_FAST ); /*!< Output push-pull, high level, 10MHz */
  GPIO_Init(GPIOC,GPIO_PIN_3, GPIO_MODE_OUT_PP_HIGH_FAST );
  GPIO_Init(GPIOC,GPIO_PIN_4, GPIO_MODE_OUT_PP_HIGH_FAST );

  GPIO_WriteLow(GPIOA,GPIO_PIN_3);//高电平点亮
  GPIO_WriteLow(GPIOC,GPIO_PIN_4);
  GPIO_WriteLow(GPIOC,GPIO_PIN_3);

  Uart_Init();
  enableInterrupts();

while(1)//while(!(进入中断的标志=0))
{
  GPIO_WriteHigh(GPIOA,GPIO_PIN_3);

}
}

#pragma vector=20
  __interrupt void UART1_RX_IRQHandler(void)
{
  //static u8 i=0;

  GPIO_WriteLow(GPIOA,GPIO_PIN_3);
  GPIO_WriteHigh(GPIOC,GPIO_PIN_4);

//UART1_ClearITPendingBit(UART1_IT_RXNE);
u16_data=UART1_ReceiveData9();

  RXB8=u16_data&0X0100;
  if(UART1_GetITStatus(UART1_IT_RXNE)!=RESET)
  {
if(!RXB8)
{
   break1=1;
   start_code=0;
   address_counter=0;
   }
if(break1)
{
u16_data=UART1_ReceiveData9();
if((counter==0)&&(u16_data==0))
{
   start_code=1;
}
else if(start_code)
{
   address_counter++;

   if(address_counter==address)
   {
   DATA_R=UART1_ReceiveData9();
   }

   if(address_counter==address+1)
   {
   DATA_G=UART1_ReceiveData9();
   }

   if(address_counter==address+2)
   {
   DATA_B=UART1_ReceiveData9();
   }

   if(address_counter>512)
   {
   address_counter=0;
   break1=0;
   start_code=0;
   }
}
}
}

/* if(UART1_GetITStatus(UART1_IT_RXNE)!=RESET)
  {
if(UART1->CR1&=0X00){n=0;return;}//接收数据的第九位

if((n>=address)&&(n<address+3))
UDR[i]=UART1_ReceiveData9();
i++;
//RXB8=(UDR[i]&0x0008);
UART1_ClearITPendingBit(UART1_IT_RXNE);
  }  */

GPIO_WriteHigh(GPIOC,GPIO_PIN_3);//landeng
}

只看该作者 · 2013-9-25 17:49

中断函数用的是判断第九位数据是否为0作为判断break的标志但是仿真时一直都没有进中断

只看该作者 · 2013-9-25 17:49

有没有弄过dmx512的帮帮忙啊

只看该作者 · 2013-9-26 08:40

只看该作者 · 2013-9-26 14:47

/****************************/
#include <STC12C5410AD.h>
//菜单变量
/****************************/
//#include<reg52.h>
#include < intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit test=P2^0;
sbit dis1=P2^1;
sbit dis2=P2^3;
sbit dis3=P2^7;
sbit dis4=P2^6;
sbit key1=P3^3;
sbit key2=P3^4;
sbit key3=P2^5;
sbit key4=P3^2;
uchar key1PreS;
uchar key2PreS;
uchar key3PreS;
uchar key4PreS;
uint  key1Time;
uint  key2Time;
uint  key3Time;
uint  key4Time;
uchar keyMode; // 0为地址码，１为调光
void key();
void delay(uchar a);
void display(uchar disnum);
void delay5ms(uchar a);
void display_menu(uchar numdis);
uint num=1,num2=0;
uchar i,i1,i2;
uchar code number[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
/**********************************************************************/

//PWM调光变量
/**********************************************************************/
sbit PWM0 = P3^7;//R
sbit PWM1 = P3^5;//G
sbit PWM2 = P2^0;//B
sbit PWM3 = P2^4;//W
uchar off = 1;
uchar i = 255;
//void Delay1ms(unsigned int count);
void STC_PWM(void);    //PWM初始化
void pwm_add();
void pwm_subb();
uchar d1,d2,d3,d4;
/**********************************************************************/

//dmx设置变量
/****************************************/
uchar temp;
uint address=0;
uchar data m[4];//接收数据缓存
uint n;
sbit RE_RXD=P2^2;
void init();
void dmx();
bit  dmxtest;
uchar b1,b2,b3,b4,a1,a2,a3,a4;
/****************************************/

void main()
{
dmxtest=1;
init();
//Delay1ms(5000);
STC_PWM(); //PWM波初始化设置
dis1=1;
dis2=1;
dis3=1;
dis4=1;
key1PreS = key1;
key2PreS = key2;
key3PreS = key3;
key4PreS = key4;
key1Time = 0;
key2Time = 0;
key3Time = 0;
key4Time = 0;
keyMode = 0;
display(num);
while(1)
{
   test=dmxtest;
   b1=m[0];b2=m[1];b3=m[2];b4=m[3];
   if(b1==0)
   {
   CCAP0L=0xff;
   CCAP0H=0xff;
   CCAP1L=0xff;
   CCAP1H=0xff;
   CCAP2L=0xff;
   CCAP2H=0xff;
   CCAP3L=0xff;
   CCAP3H=0xff;
   }
   else
   {
   a1=b1;
   CCAP0L=255-a1;
   CCAP0H=255-a1;
   }
   if(b2==0)
   {
   CCAP1L=0xff;
   CCAP1H=0xff;
   CCAP2L=0xff;
   CCAP2H=0xff;
   CCAP3L=0xff;
   CCAP3H=0xff;
   }
   else
   {
   a2=b2;
   CCAP1L=255-a2;
   CCAP1H=255-a2;
   }
   if(b3==0)
   {
   CCAP2L=0xff;
   CCAP2H=0xff;
   CCAP3L=0xff;
   CCAP3H=0xff;
   }
   else
   {
   a3=b3;
   CCAP2L=255-a3;
   CCAP2H=255-a3;
   }
   if(b4==0)
   {
   CCAP3L=0xff;
   CCAP3H=0xff;
   }
   else
   {
   a4=b4;
   CCAP3L=255-a4;
   CCAP3H=255-a4;
   }
   key();
}
}

void display(uchar disnum)
{
uchar aa,bb,cc,dd;
aa=disnum/1000;
bb=disnum%1000/100;
cc=disnum%100/10;
dd=disnum%10;
dis1 = 0;
P1 = 0xa1;
delay5ms(20);
dis1 = 1;
dis2 = 0;
P1=number[bb];
delay5ms(20);
dis2 = 1;
dis3 = 0;
P1=number[cc];
delay5ms(20);
dis3 = 1;
dis4 = 0;
P1=number[dd];
delay5ms(20);
dis4 = 1;
delay5ms(20);
}

void display_menu(uchar numdis)
{
uchar qin,bai,shi,ge;
qin=numdis/1000;
bai=numdis%1000/100;
shi=numdis%100/10;
ge=numdis%10;
dis1 = 0;
P1=0x83;
delay5ms(20);
dis1 = 1;
dis2 = 0;
P1=number[bai];
delay5ms(20);
dis2 = 1;
dis3 = 0;
P1=number[shi];
delay5ms(20);
dis3 = 1;
dis4 = 0;
P1=number[ge];
delay5ms(20);
dis4 = 1;
delay5ms(20);
}

void key()
{
if(key1 == 0 && key1PreS == 1)//KEY1是否按下，按下的话就切换到调光模式菜单
{
keyMode = 1;//调光模式
}
key1PreS = key1;
if(!key2)
{
if (key2PreS == 1)
{
if (keyMode == 0)
{
num++;
if(num == 255)
{
num = 1;
}
}
else
{
num2++;
            CCAP0L=CCAP0L-1;
            CCAP0H=CCAP0H-1;
if(num2==255)
        {
   num2 = 0;
               CCAP0L=0x00;
               CCAP0H=0x00;
               CCAP3L=0xff;
               CCAP3H=0xff;
        }
}
}
else
{
key2Time++;
if (key2Time == 300)
{
key2Time = 0;
if (keyMode == 0)
{
num++;
if(num == 255)
{
   num = 1;
}
}
else
{
num2++;
if(num == 255)
        {
   num2 = 0;
                  CCAP0L=0x00;
                  CCAP0H=0x00;
                  CCAP3L=0xff;
                  CCAP3H=0xff;
        }
               CCAP0L=CCAP0L-1;
               CCAP0H=CCAP0H-1;
}
}

}
key2Time++;
    }
else
key2Time = 0;
      key2PreS = key2;
if(!key3)
{
if (key3PreS == 1)
{
if (keyMode == 0)
{
num--;
if(num == 1)
{
   num = 255;
}
}
else
{
if(num2 == 0)
        {
   num2 = 255;
               CCAP0L=0xff;
               CCAP0H=0xff;
               CCAP3L=0xff;
               CCAP3H=0xff;
        }
else
            {
   num2--;
               CCAP0L=CCAP0L+1;
               CCAP0H=CCAP0H+1;
               CCAP3L=CCAP3L-1;
               CCAP3H=CCAP3H-1;
            }
}
}
else
{
key3Time++;
if (key3Time == 300)
{
key3Time = 0;
if (keyMode == 0)
{
num--;
if(num == 1)
{
   num = 255;
}
}
else
{
if(num2 == 0)
        {
num2 = 255;
                     CCAP0L=0xff;
                     CCAP0H=0xff;
                     CCAP3L=0xff;
                     CCAP3H=0xff;
        }
else
num2--;
                     CCAP0L=CCAP0L+1;
                     CCAP0H=CCAP0H+1;
                     CCAP3L=CCAP3L-1;
                     CCAP3H=CCAP3H-1;
}
}
}
key3Time++;
    }
else
key3Time = 0;
key3PreS = key3;
if(key4 == 0 && key4PreS == 1)
{
keyMode = 0;
}
key4PreS = key4;
if (keyMode == 0)
{
display(num);
}
else
{
display_menu(num2);
}
}

void delay5ms(uchar a)
{
uint b,c;
for(b=a;b>0;b--)
for(c=10;c>0;c--);
}

/***************************1秒延时子程序start***************************/
void Delay1ms(unsigned int count)
{
unsigned int a,j;
for(a=0;a<count;a++)
for(j=0;j<120;j++);
}

/***************************1秒延时子程序end****************************/

/*****************************************************/
void STC_PWM(void)
{
CCON=0;
CMOD=0x00; //set PCA timer
CL=0x00;
CH=0x00;
CCAP0L=0xff; //设置占空比
CCAP0H=0xff;
CCAPM0=0x42; //设置使用PWM模式
CCAP1L=0xff; //设置占空比
CCAP1H=0xff;
CCAPM1=0x42; //设置使用PWM模式
CCAP2L=0xff; //设置占空比
CCAP2H=0xff;
CCAPM2=0x42; //设置使用PWM模式
CCAP3L=0xff; //设置占空比
CCAP3H=0xff;
CCAPM3=0x42; //设置使用PWM模式
CR=1; //开始PCA 定时器
}
/*****************************************************/

/****************************************************************/

/*void pwm_add()
{
CCAP0L=CCAP0L-1;
CCAP0H=CCAP0H-1;
}

void pwm_subb()
{
CCAP0L=CCAP0L+1;
CCAP0H=CCAP0H+1;
CCAP3L=CCAP3L-1;
CCAP3H=CCAP3H-1;
}*/

void init()
{
PCON=0x00;//工作方式2的波特率加倍
SM0=1;  //串行口工作方式2，9位固定波特率250K ,使用16MHZ晶振
SM1=0;
SM2=0;
REN=1;//允许串行接收状态
IP=0x10; //串行口优行中断级
EA=1;//总中断允许
ES=1;//允许串行口中断
address=1;
RE_RXD=0;
temp=0;
n=0;
}

/***DMX512接收程序***************/
void serial() interrupt 4 using 0
{
RI=0;
dmxtest=0;
if(RB8==0)
  {
SBUF==0;
n=0;
return;
  }
if(n<address)
  {
  n++;
  return;
  }
else if(n>address+3)
  {
  n++;
  return;
  }
else
  {
  m[n-address]=SBUF;
  n++;
  if(n==512)
  dmxtest=0;
  }
}

给个测试通过的给你参考

只看该作者 · 2013-9-26 17:10

kxc2008 发表于 2013-9-26 14:47
/****************************/
#include
//菜单变量

我先是测试用串口接收
用串口助手就能进中断接收怎么连接控制器的时候中断就进不去了呢
你是怎么测试的？？？

只看该作者 · 2014-2-24 11:15

顶起！

哪位帮我看下dmx512的解码器程序为什么不能进中断

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