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標題: 求助，關于STM32+SPI 2.4寸TFT屏顯示亂碼的問題 [打印本頁]

作者: benclee 時間: 2020-3-29 09:20
標題: 求助，關于STM32+SPI 2.4寸TFT屏顯示亂碼的問題
現象，在TFT屏顯示結果是亂碼。各位大俠是哪里的問題
MAIN.C
#include "delay.h"
#include "sys.h"
#include "lcd.h"
#include "touch.h"
#include "gui.h"
#include "test.h"
#include "DS1302.h"
#include "usart.h"

int main(void)
{
  char buf[] = {"Usart_SendData function!"};
      uart_init(9600);
      SystemInit();
      delay_init(72);
      LCD_Init();
      DS1302_Init();

  //Ñ-»·2aêÔ
      while(1)
      {
            DS1302_GetTime();
            printf("%d\r\n",TimeData .day );
            Show_Str(20,30,BLUE,YELLOW,(u8 *)&TimeData .day ,16,1);
            delay_ms(800);



      }
}
GUI.C中的show_str函數
void Show_Str(u16 x, u16 y, u16 fc, u16 bc, u8 *str,u8 size,u8 mode)
{
      u16 x0=x;
      u8 bHz=0;    //×Ö·û»òÕßÖDÎÄ
while(*str!=0)//êy¾YÎ′½áêø
{
      if(!bHz)
      {
                     if(x>(lcddev.width-size/2)||y>(lcddev.height-size))
                     return;
            if(*str>0x80)bHz=1;
            else
            {
                     if(*str==0x0D)
                     {
                        y+=size;
                                    x=x0;
                        str++;
                     }
                     else
                              {
                                    if(size>16)
                                    {
                                    LCD_ShowChar(x,y,fc,bc,*str,16,mode);
                                    x+=8;
                                    }
                                    else
                                    {
                                    LCD_ShowChar(x,y,fc,bc,*str,size,mode);
                                    x+=size/2;
                                    }
                              }
                              str++;

            }
      }else//ÖDÎÄ
      {
                     if(x>(lcddev.width-size)||y>(lcddev.height-size))
                     return;
         bHz=0;
                     if(size==32)
                     GUI_DrawFont32(x,y,fc,bc,str,mode);
                     else if(size==24)
                     GUI_DrawFont24(x,y,fc,bc,str,mode);
                     else
                     GUI_DrawFont16(x,y,fc,bc,str,mode);

            str+=2;
            x+=size;
      }
}
}
DS1302.C中的DS1302_GETTIME函數
void DS1302_GetTime()
{
DS1302_ReadTime();
TimeData.year=(time_buf[0]>>4)*1000+(time_buf[0]&0x0F)*100+(time_buf[1]>>4)*10+(time_buf[1]&0x0F); //¼ÆËãÄê·Y
TimeData.month=(time_buf[2]>>4)*10+(time_buf[2]&0x0F);  //¼ÆËãÔÂ·Y
TimeData.day=(time_buf[3]>>4)*10+(time_buf[3]&0x0F); //¼ÆËãèÕÆú
TimeData.hour=(time_buf[4]>>4)*10+(time_buf[4]&0x0F); //¼ÆËãD¡ê±
TimeData.minute=(time_buf[5]>>4)*10+(time_buf[5]&0x0F); //¼ÆËã·ÖÖó
TimeData.second=(time_buf[6]>>4)*10+(time_buf[6]&0x0F); //¼ÆËãÃëÖó
TimeData.week=(time_buf[7]&0x0F);                      //¼ÆËãDÇÆú
  //printf("ê±¼ä:%d-%d-%d %d:%d:%d %d \n",TimeData.year,TimeData.month,TimeData.day,TimeData.hour,TimeData.minute,TimeData.second,TimeData.week);
}
DS1302.H中的TIMEDATA結構體
struct TIMEData
{
      u16 year;
      u8  month;
      u8  day;
      u8  hour;
      u8  minute;
      u8  second;
      u8  week;
};
extern struct TIMEData TimeData;

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