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求教各位，我能在屏上顯示正數(shù)，為啥負數(shù)就亂碼呢。幫看看哪里錯了
void Operation_display();//運行顯示
void runing();//運行
void main(void)
{
uchar devid;
DisplayStart();//啟動畫面
devid=Single_Read_ADXL345(0X00);
while(1)
{
Lcd12864_Displayfigure(0,1,-12345);
Lcd12864_Displayfigure(0,2,-1234);
Lcd12864_Displayfigure(0,3,-123);
Lcd12864_Displayfigure(0,4,-12);
Lcd12864_Displayfigure(4,1,12345);
Lcd12864_Displayfigure(4,2,1234);
Lcd12864_Displayfigure(4,3,123);
Lcd12864_Displayfigure(4,4,12);
/* if((run_menu==0)&&(menukey()==1))
{
LCD12864_Clear();
Delay400Ms();
run_menu=1;
menuorede_word=1;
menu_y=0;
}
if((run_menu>=1)&&(menukey()==6))
{
LCD12864_Clear(); Delay400Ms();
run_menu=0;
}
switch(run_menu)
{
case(0):Multiple_read_ADXL345();Operation_display();break;
/*******************************************************************************
* 函 數(shù) 名 : Lcd12864_Displayfigure
* 函數(shù)功能 : //顯示數(shù)字
* 輸 入 : x,y,*gigure
* 輸 出 : 無
*******************************************************************************/
void Lcd12864_Displayfigure(unsigned char X, unsigned char Y, int gigure)
{
unsigned char X2;
X2=X;
switch(Y)
{
case 1:X2|=0X80;break; //根據(jù)行數(shù)來選擇相應(yīng)地址
case 2:X2|=0X90;break;
case 3:X2|=0X88;break;
case 4:X2|=0X98;break;
}
if(gigure<0)
{
//gigure=~gigure+1;
LCD12864_WriteCmd(X2);
LCD12864_WriteData('-');
LCD12864_WriteData('0' + (gigure/10000));//千位
LCD12864_WriteData('0' + (gigure%1000/100));//
LCD12864_WriteData(0x6b);//
//LCD12864_WriteData('0' + (gigure%1000%100/10));//十位
//LCD12864_WriteData('0' + (gigure%1000%100%10));//個位(0x87);
}
if(gigure>0)
{
LCD12864_WriteCmd(X2);
LCD12864_WriteData('0' + (gigure/1000));//千位
LCD12864_WriteData('0' + (gigure%1000/100));//
LCD12864_WriteData('0' + (gigure%1000%100/10));//十位
LCD12864_WriteData('0' + (gigure%1000%100%10));//個位(0x87);
}
}
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