STM8S103K3的PB口不能输出高电平

只看该作者 · 2016-9-27 20:21

我使用的STM8S103K3, 批号是MYS932，现在发现PB口都不能输出高电平以下是我的程序

#include"iostm8s103k3.h"
#include"compatible.H"
#define _BV(A)       (1<<(A))
//LED1  PD3
//LED2  PD2
//LED3  PD0

#define LED_SA PD_ODR_ODR5
#define LED_SB PD_ODR_ODR6
#define LED_SRCK PD_ODR_ODR2
#define LED_RCK  PD_ODR_ODR3
#define LED_SER  PD_ODR_ODR4
// a BIT5
// b BIT0
// c BIT1
// D BIT3
// E BIT2
// f BIT4
// G BIT7
//DP BIT6
char LED_DATA[10]=
{
0xff-BIT6-BIT7,//0
BIT0+BIT1,//1
0xff-BIT1-BIT4-BIT6,//2
0xff-BIT2-BIT4-BIT6,//3
BIT4+BIT7+BIT0+BIT1,//4
0xff-BIT0-BIT2-BIT6,//5
0xff-BIT0-BIT6,//6
BIT5+BIT0+BIT1,//7
0xff-BIT6,//8
0xff-BIT2-BIT6,//9
};

void delay(long m)
{
  volatile unsigned long i;

  for(i=0;i<m;i++);

}
//把数据送入HC595
void HC_595_input(unsigned char data)
{
  unsigned char i;

for(i=0;i<8;i++)
{
      LED_SRCK=0;//移位寄存器时钟拉低时钟
      if(data&0x80) //最高位判断
      {
            LED_SER=1; //最高位为1，则写1到DS口
      }
      else
      {
            LED_SER=0; //最高位为0，则写0到DS口
      }
      LED_SRCK=1;//移位寄存器时钟拉高时钟
      //delay_1us();
      delay(1);
      data<<=1;
}
}
//数据从595的并行口输出
void HC_595_output(unsigned char data)
{
LED_RCK=0;//存储寄存器时钟拉低时钟
HC_595_input(data);
LED_RCK=1;//存储寄存器时钟拉高时钟
}
/* -------------------------------------------------------------------------- */
/* ROUTINE NAME: TIM_Init                                                    */
/* INPUT/OUTPUT: None.                                                       */
/* DESCRIPTION:  Initialize the TIM4 as LED timebase.                      */
/* -------------------------------------------------------------------------- */
void TIM2_Init(void)
{
  __asm("sim");    //sim是禁止中断
  TIM2_PSCR =0x07;  //设置时钟分频
  TIM2_ARRH = 0x00;  //初值
  TIM2_ARRL = 0xf6;  //100uS,内部16M

  TIM2_IER = 0x01;  //允许中断
  TIM2_CR1 = 0x01;  //开启定时器
  __asm("rim");    //rim是使能中断
}

void GPIO_Init(void)
{
PB_DDR = 0X00;//_BV(0)|_BV(1)|_BV(4)|_BV(5)|_BV(6);
PB_CR1 =  0Xff;//_BV(0)|_BV(1)|_BV(4)|_BV(5)|_BV(6);
PB_CR2 = 0x00;

PC_DDR = 0XFF;//_BV(0)|_BV(1)|_BV(4)|_BV(2)|_BV(3);
PC_CR1 = 0XFF;// _BV(0)|_BV(1)|_BV(4)|_BV(2)|_BV(3);
PC_CR2 = 0x00;

PD_DDR = 0XFF;// _BV(6)|_BV(5)|_BV(0)|_BV(2)|_BV(3);
PD_CR1 = 0XFF;//_BV(6)|_BV(5)|_BV(0)|_BV(2)|_BV(3);
PD_CR2 = 0x00;

PF_DDR = 0XFF;
PF_CR1 = 0XFF;
PF_CR2 = 0x00;

}
void CLK_Init(void)
{
CLK_CKDIVR &= ~0x10;       /* 01: fHSI= fHSI RC output/2. */
// CLK_CKDIVR |= 0x01;          /* 001: fCPU=fMASTER/2. */
}
long test=0;
char test1=100;
char test2=123;
void main( void )
{
char i;
CLK_Init();
GPIO_Init();
TIM2_Init();
while(1)
{
      //PD_ODR|=_BV(6)|_BV(5);
      //PC_ODR=_BV(0)|_BV(1)|_BV(3);
      PC_ODR=0XFF;
      delay(4000);
      test1++;
      test2++;
      //PD_ODR=_BV(2);
      //PC_ODR=_BV(2);
      PC_ODR=0;
      delay(4000);

      //PD_ODR=_BV(0);
      PC_ODR=_BV(4);
      delay(4000);



      //LED_SA=1;
      //LED_SB=1;
      //PB_ODR|=_BV(0);
      PB_ODR=0XFF;
      PF_ODR=0XFF;
      delay(4000);
      PB_ODR=0X00;
      PF_ODR=0X00;
}
}

/*******************************************************************************
  *                         ==中断服务函数函数==
*******************************************************************************/
#pragma vector=TIM2_OVR_UIF_vector
__interrupt void TIM2_UPD_OVF_BRK_IRQHandler(void)
{
char i;
//LED1=~LED1; //翻转管脚电平
      TIM2_SR1 = 0x0E; //中断标志位，它不会自动清零
      if(test>2)
      {
            test=0;
      }


      if(test==1)
      {
            //PD_ODR|=_BV(6);
            LED_RCK=0;//存储寄存器时钟拉低时钟
            for(i=0;i<10;i++)
            {
               HC_595_input(LED_DATA[test1%10]);
            }
            LED_RCK=1;//存储寄存器时钟拉高时钟
            LED_SA=0;
            LED_SB=1;
      }
      else if(test==0)
      {
            LED_RCK=0;//存储寄存器时钟拉低时钟
            for(i=0;i<10;i++)
            {
               HC_595_input(LED_DATA[test2%10]);
            }
            LED_RCK=1;//存储寄存器时钟拉高时钟
            LED_SA=1;
            LED_SB=0;
      }

      test++;
}