多级界面构建

一、多级界面要求

---

上面的要求进行简单化即为

二、代码实现

	if(Disp_Mode==0)
	{
		sprintf(pucSeg_Buf,"%4.1f-%4u",Temperature_Val,(unsigned int)ucDist);
	}
	else if(Disp_Mode==1)
	{
		if(Parm_Mode==0)
		{
			sprintf(pucSeg_Buf,"P1    %2u",(unsigned int)ucDist_Parm);
		}
		else
		{
			sprintf(pucSeg_Buf,"P2    %2u",(unsigned int)ucTemperature_Pram);
		}
	}
	else
	{
		if(Fact_Mode==0)
		{
			sprintf(pucSeg_Buf,"F1   %3d",Dist_Comp);
		}
		else if(Fact_Mode==1)
		{
		  sprintf(pucSeg_Buf,"F2  %4u",(unsigned int)ucDist_Speed);
		}
		else 
		{
			sprintf(pucSeg_Buf,"F3    %3.1f",DAC_Min);
		}
	}

三、按键与界面的协同

四、代码实现

void Key_Proc(void)
{
	if(uiKey_Dly<20)
		return;
	uiKey_Dly=0;
	ucKey_Val=Key_Read_KBD();
	if(ucKey_Val==ucKey_Val_Old)
		return;
	
	switch(ucKey_Val)
	{
		case 4:
				Disp_Mode=(Disp_Mode+1)%3;
				
			if(Disp_Mode==1)
			{
				Parm_Mode=0;
			}
			else if(Disp_Mode==2)
			{
				Fact_Mode=0;
			}
			break;
		case 5:
				if(Disp_Mode==1)
				{
					Parm_Mode=(Parm_Mode+1)%2;
				}
				else if(Disp_Mode==2)
				{
					Fact_Mode=(Fact_Mode+1)%3;
				}
				break;
	}
	ucKey_Val_Old=ucKey_Val;//消抖
}