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求教大師幫忙看看,我想把數(shù)值顯示在屏幕,用按鍵調(diào)整后并保存。現(xiàn)在問題是不加循環(huán)語句,按鍵后數(shù)值不變化。如果加上循環(huán)語句,按鍵后數(shù)值變化失控,有時(shí)按一下加幾十不等。
void Parameter_mAb(unsigned char c)//參數(shù)的顯示修改保存
{
unsigned char xxx;
display_frame(menuorede_word);
Lcd12864_DisplayListChar(6,1,xianshi0021);
Lcd12864_Displaybyte(6, 2 ,Menu_save);
Lcd12864_DisplayListChar(6,3,xianshi0020);
xxx=c;
// while(1)
//{
Lcd12864_Displayfigure(6,4,(xxx));//顯示數(shù)字
//Lcd12864_DrawLineX_f( 96,127,63 );// 畫水平線行x0開始-x1結(jié)束0-127,y列0-63
switch(Read74H165())
{
case(0xfe):xxx-=1;break;
case(0xfd):xxx+=1;break;
case(0xfb):xxx+=10;break;
case(0xf7):xxx-=10;break;
case(0xef):At24c02Write(Menu_save,xxx);LCD12864_Clear();LCD12864_ClearScreen();Delay400Ms();run_menu=1;break;
case(0x7f):LCD12864_Clear();LCD12864_ClearScreen();Delay400Ms();run_menu=1;break;
default:break;
}
//}
}
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