请教LED点阵屏程序

zhoumeng5623 · 发表于 2011-10-13 20:53:44

一段LED点阵屏程序，08接口，在51单片机中能左移显示“欢迎光临”4个字，移植到STM32F100C8中不工作，请多指教！

#include "stm32f10x.h"

void GPIO_Config(void);
void NOP();
void loadline(void);
void sendline(void);
void Loopline (void);

unsigned char BUF[];
unsigned char disp[ ];

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : main
* Description    : Main program.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
int main(void)
{
   SystemInit();
   GPIO_Config();
    Loopline();

}

void NOP()
{
;
;
;
;
;
;
;
;

}

//*****************装载一线点阵数据*****************//
void loadline(void)
{
   u8 S;
   u8 word;
   u8 line;
   for(S=0;S<5;S++)    //5：要显示的4个字数+1
   {
      BUF[2*S+1]=disp[word+1+32*S+2*line];
      BUF[2*S]=disp[word+32*S+2*line];
   }
}

//*****************发送一线移动数据*****************//
void sendline(void)
{
u8 S;
u8 P;
u8 inc;
u8 k;
u8 j;
u8 move;
  u8 m;
u8 n;
if(move<8)
     inc=0;
else
      inc=1;
for(S=0+inc;S<8+inc;S++)
{
       if(move<8)
        j=move;
       else
       j=move-8;
        k=(BUF[S+1]>>(8-j))|(BUF[S]<<j);

     for(P=0<8++)
     {

         m=0;
          n=0;
          m=k;
          n=m&0x01;
        if(n==0)
       GPIO_SetBits(GPIOB , GPIO_Pin_11);
       else
      GPIO_ResetBits(GPIOB , GPIO_Pin_11);
     GPIO_SetBits(GPIOA , GPIO_Pin_8);
        NOP();

          GPIO_ResetBits(GPIOA , GPIO_Pin_8);

         k>>=1;           //右移一位
     }
}
}

void Loopline (void)
{
      u8 i;
    u8 w;
   u8 y;
   u8 move;
   u8 word;
    u8 line16;

    move=0;
      word=0;

      while(1)
      {
        while(word<384)    //12*32=384
        {
          while(move<16)
          {
            for(i=0; i<8; i++)
            {
              for(line16=0; line16<16; line16++)
              {
                     GPIO_ResetBits(GPIOA , GPIO_Pin_11);
                    loadline( );
                     sendline( );
                    GPIO_ResetBits(GPIOA , GPIO_Pin_12);
                  GPIO_SetBits(GPIOA , GPIO_Pin_12);

                   w=0;
                     y=0;
                     w=line16;
                     y=w&0x01;
                     if(y==0)
                    GPIO_SetBits(GPIOB , GPIO_Pin_0);
                    else
                    GPIO_ResetBits(GPIOB , GPIO_Pin_0);

                     w=0;
                     y=0;
                     w=line16;
                     y=w&0x02;
                     if(y==0)
                     GPIO_SetBits(GPIOB , GPIO_Pin_1);

                     else
                    GPIO_ResetBits(GPIOB , GPIO_Pin_1);

                     w=0;
                     y=0;
                    w=line16;
                     y=w&0x04;
                     if(y==0)
                     GPIO_SetBits(GPIOB , GPIO_Pin_2);

                     else
                    GPIO_ResetBits(GPIOB , GPIO_Pin_2);

                     w=0;
                     y=0;
                    w=line16;
                     y=w&0x08;
                     if(y==0)
                     GPIO_SetBits(GPIOB , GPIO_Pin_10);

                     else
                    GPIO_ResetBits(GPIOB , GPIO_Pin_10);
                     GPIO_SetBits(GPIOA , GPIO_Pin_11);


              }
            }
            move++;
          }
          move=0;
          word=word+32;   //下一个字
        }
        word=0;
      }
}

unsigned char disp[]=

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,//空白

0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,//空白

0xFE,0xFF,0xFE,0xFF,0xFE,0xC0,0xC0,0xDF,0xDF,0x5D,0xED,0x9D,0xFD,0xEB,0xFD,0xEB,
0xFD,0xF7,0xFD,0xEB,0xFA,0xDB,0xFA,0xDD,0xF7,0x7E,0xEF,0x7F,0x8F,0xBF,0xDF,0xCF,//欢

0xFF,0xFF,0xDE,0x7D,0x81,0x9B,0xDD,0xD7,0xDD,0xDF,0xDD,0xDF,0xDD,0xD0,0xDC,0xD7,
0xDD,0x57,0xD5,0x97,0xED,0xD7,0xFD,0xF7,0xFD,0xF7,0x9D,0xEB,0xC0,0x1D,0xFF,0xFF,//迎

0xFF,0x7F,0xEF,0x7B,0xCF,0x77,0xF7,0x6F,0xFB,0x6F,0xDF,0x7F,0x80,0x00,0xFD,0xDF,
0xFD,0xDF,0xFD,0xDF,0xFD,0xDF,0xFD,0xEF,0xBD,0xEF,0xBD,0xF7,0x83,0xFB,0xFF,0xFD,//光

0xFE,0xF7,0xFE,0xF7,0xDF,0x75,0x80,0x75,0xFF,0xB5,0xFE,0xD5,0xF9,0xE5,0xDB,0xF5,
0x80,0x15,0xDD,0xD5,0xDD,0xD5,0xDD,0xD5,0xDD,0xD5,0xDD,0xD7,0xC0,0x17,0xDF,0xD7,//临

0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,//空白

0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,//空白
};

void GPIO_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |   RCC_APB2Periph_GPIOC |
                         RCC_APB2Periph_GPIOD , ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 |GPIO_Pin_11|GPIO_Pin_12;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_10|GPIO_Pin_11;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}

#ifdef USE_FULL_ASSERT

/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

/* Infinite loop */
while (1)
{
}
}
#endif