deal_key.c

用凌阳单片机编写用超声波水位测量程序

#include "Init_System.h"
#include "Get_Key.h"


unsigned int g_Stop_KeyFlag = 1;
unsigned int g_Dynamic_KeyFlag =0;
unsigned int g_Static_KeyFlag = 0;

unsigned int	g_Dynamic_AscendFlag = 0;
unsigned int	g_Static_AscendFlag = 0;
unsigned int	g_Dynamic_DscendFlag = 0;
unsigned int	g_Static_DscendFlag = 0;
int	g_UltraSonic_Height_Set = 0	;
extern g_KeyFlag,g_KeyValue;


void Deal_Key()
{
	static unsigned int s_SetHeight_KeyFlag = 0;
	static unsigned int s_SetHeight_KeyFlag_One = 0,s_SetHeight_One = 0,s_SetHeight_KeyFlag_Ten = 0;
	static unsigned int s_SetHeight_Ten = 0,s_SetHeight_KeyFlag_Hud = 0,s_SetHeight_Hud = 0;
	if(g_KeyFlag)
	{
		g_KeyValue -= 1;
		
		switch(g_KeyValue)
		{
			case 10: s_SetHeight_KeyFlag = 1;s_SetHeight_KeyFlag_Hud =1; g_Stop_KeyFlag = 1; g_Static_KeyFlag = 0; g_Dynamic_KeyFlag = 0; break;
			case 11: g_Stop_KeyFlag = 0; g_Static_KeyFlag = 1; g_Dynamic_KeyFlag = 0; break;
			case 12: g_Stop_KeyFlag = 0; g_Static_KeyFlag = 0; g_Dynamic_KeyFlag = 1; break;
			case 13: g_Stop_KeyFlag = 1; g_Static_KeyFlag = 0; g_Dynamic_KeyFlag = 0; break;
			default: break;
		}
		if((g_KeyValue<10) & (g_KeyValue>=0) & s_SetHeight_KeyFlag)
		{

			if(s_SetHeight_KeyFlag_One)
			{
				s_SetHeight_One = g_KeyValue;
				DispOneDig(g_KeyValue,7);
			}
			else if(s_SetHeight_KeyFlag_Ten)
			{
				s_SetHeight_Ten = g_KeyValue;
				s_SetHeight_KeyFlag_One = 1;
				s_SetHeight_KeyFlag_Ten = 0;
				DispOneDig(g_KeyValue,6);
			}
			else if(s_SetHeight_KeyFlag_Hud)
			{
				s_SetHeight_KeyFlag_One = 0;
				s_SetHeight_KeyFlag_Ten = 1;
				s_SetHeight_Hud = g_KeyValue;
				s_SetHeight_KeyFlag_Hud = 0;
				DispOneDig(g_KeyValue,5);
			}
		}
		
		if(g_KeyValue==19)
		{
			g_UltraSonic_Height_Set = 100*s_SetHeight_Hud + 10*s_SetHeight_Ten + s_SetHeight_One;
			s_SetHeight_KeyFlag_One = 0;
			s_SetHeight_KeyFlag = 0;
			DispValue(g_UltraSonic_Height_Set,SET);
		}
		
		if(g_KeyValue == 14)
		{
			s_SetHeight_KeyFlag_Hud = 1;
			s_SetHeight_KeyFlag_One = 0;
			s_SetHeight_KeyFlag_Ten = 0;
		}
		
	}
	//.....................set flag............................//
	if(g_UltraSonic_Height_Act > g_UltraSonic_Height_Set)
	{
		g_Dynamic_DscendFlag = 1;
		g_Dynamic_AscendFlag = 0;
	}
	else if(g_UltraSonic_Height_Act < (g_UltraSonic_Height_Set/10))
	{
		g_Dynamic_AscendFlag = 1;
		g_Dynamic_DscendFlag = 0;
	}
	else
	{
		g_Dynamic_AscendFlag = 1;
		g_Dynamic_DscendFlag = 0;
	}
	
	if(g_UltraSonic_Height_Act < (g_UltraSonic_Height_Set - 5))
	{
		g_Static_AscendFlag = 1;
		g_Static_DscendFlag = 0;
	}
	else if(g_UltraSonic_Height_Act > (g_UltraSonic_Height_Set + 5))
	{
		g_Static_DscendFlag = 1;
		g_Static_AscendFlag = 0;
	}
	else
	{
		g_Static_AscendFlag = 0;
		g_Static_DscendFlag = 0;
	}

}