menu.c

有LCD菜单的 频率发生器制作资料

#include <LCDv3.h>
#include "Config.h"
#include "Menu.h"
#include "LCD_Interface.c"
#include "Input.c"

#define MENU_LINE 2

unsigned char MenuNo(unsigned char No)
{
	if ((No>=0)&&(No<=9))
	{
		return No+'0';
	}
	else if ((No>=10)&&(No<=36))
	{
		return No-10+'A';
	}
	else
	{
		return '?';
	}
}

void ChooseRadioMenu(unsigned char ParamCaptionID,unsigned char MenuDefineID,unsigned char *Value)
{
	flash unsigned char *Caption;
	flash unsigned char *pDefine;
	unsigned char Key;
	unsigned char Pos;
	unsigned int TopMenuItem;
	unsigned int CurrentMenuItem;
	//unsigned char i;
	unsigned char MenuCount;

    delay_ms(10);
    SOUND_STOP;
	
	LCD_WriteCaption(ParamCaptionID,0);
	Pos=LCD_Position()-1;
	
	WriteCGRAM(0x82,1,0);
	WriteCGRAM(0x83,2,0);
	WriteCGRAM(0x84,3,0);
	
	pDefine=SubMenuDefine+(unsigned int)2*(unsigned int)MenuDefineID;
	MenuCount=pDefine[1];
	TopMenuItem=pDefine[0];
	CurrentMenuItem=*Value;
	if (CurrentMenuItem>MenuCount-1)
	{
		CurrentMenuItem=MenuCount-1;
	}
	

	Key=1;
	while (Key!=BT_APPLY)
	{
		if (Key!=0)
		{
			LCD_Ctrl(LCD_SET_DDRAM|Pos);
			
			Caption=Menu+(CAPTION_LENGTH+2)*(TopMenuItem+CurrentMenuItem-1);
			
			if (CurrentMenuItem==0)
			{
				LCD_Write(3);
			}
			else if (CurrentMenuItem==MenuCount-1)
			{
				LCD_Write(1);
			}
			else
			{
				LCD_Write(2);
			}
			
			//LCD_Write(MenuNo(CurrentMenuItem));
			LCD_Write(' ');
			LCD_Write('=');
			LCD_PutStrF(Caption);
		}
		
		Key=GetKey();
		
		if (Key!=0)
		{
			if (Key==BT_UP)
			{
				if (CurrentMenuItem>0)
				{
					CurrentMenuItem--;
				} 
			}
			else if (Key==BT_DOWN)
			{	
				if (CurrentMenuItem<MenuCount-1)
				{
					CurrentMenuItem++;
				}
			}
			else if (Key==BT_APPLY)
			{
				*Value=CurrentMenuItem;
			}
			else if (Key==BT_LEFT)
			{
				Key=BT_APPLY;
			}
			
			delay_ms(10);
			SOUND_STOP;  //Sound Stop
		}
		
	}
}

void ShowMenu(void)
{
	flash unsigned char *pMenu;
	flash unsigned char *pDefine;
	flash unsigned char *Caption;
	unsigned char Key;
	unsigned int TopMenuItem;
	unsigned int CurrentMenuItem;
	unsigned char i;
	unsigned char Stack[3][5];
	unsigned char StackIndex;
	unsigned char DrawMenuItem[6]={LCD_SET_DDRAM,0xC0,1,0,0,1};
	unsigned char MenuCount;
	unsigned char j;
	//unsigned char MenuItem;
	
	
	pMenu=Menu;
	pDefine=SubMenuDefine;
	
	TopMenuItem=0;
	CurrentMenuItem=0;
	//MenuItem=0;

	Key=1;
	WriteCGRAM(0x80,0,0);
	WriteCGRAM(0x81,1,0);
	StackIndex=0;
	Stack[0][0]=0;
	Stack[1][0]=0;
	Stack[2][0]=0;
	MenuCount=SubMenuDefine[1];

	while (1)
	{
		if (Key!=0)
		{
			for (j=0;j<2;j++)
			{
				LCD_Ctrl(DrawMenuItem[0+j]);
				
				if (DrawMenuItem[(unsigned char)(j+4)]<MenuCount)
				{
					Caption=Menu+(CAPTION_LENGTH+2)*(TopMenuItem+DrawMenuItem[(unsigned char)(j+4)]);
					
					if (DrawMenuItem[(unsigned char)(j+2)])
					{
						LCD_PutStrF("     ");
						LCD_Write(0);
						LCD_Write(MenuNo(DrawMenuItem[(unsigned char)(j+4)]+1));
						LCD_Write('.');
						LCD_PutStrF(Caption);
					}
					else
					{
						LCD_PutStrF("      ");
						LCD_Write(MenuNo(DrawMenuItem[(unsigned char)(j+4)]+1));
						LCD_Write('.');
						LCD_PutStrF(Caption);
					}
				}
				else
				{
					for (i=0;i<16;i++) LCD_Write(' ');
				}		
			}
		}
		
		Key=GetKey();
		
		if (Key!=0)
		{
			if (Key==BT_UP)
			{
				if (DrawMenuItem[3])
				{
					DrawMenuItem[2]=1;
					DrawMenuItem[3]=0;
				} 
				else if (DrawMenuItem[4]>0)
				{
					DrawMenuItem[4]--;
					DrawMenuItem[5]--;
				}
			}
			else if (Key==BT_DOWN)
			{	
				if (DrawMenuItem[2])
				{
					DrawMenuItem[2]=0;
					DrawMenuItem[3]=1;
				}
				else if (DrawMenuItem[5]<MenuCount-1)
				{
					DrawMenuItem[4]++;
					DrawMenuItem[5]++;
				}
			}
			else if ((Key==BT_APPLY)||(Key==BT_RIGHT))
			{
				
				if (DrawMenuItem[2])
				{
					CurrentMenuItem=TopMenuItem+DrawMenuItem[4];
				}
				else
				{
					CurrentMenuItem=TopMenuItem+DrawMenuItem[5];
				}
				
				if (CurrentMenuItem<MENU_COUNT)
				{
					pMenu=Menu+(CAPTION_LENGTH+2)*CurrentMenuItem+CAPTION_LENGTH+1;
					if (*pMenu>MENU_SUBITEM)
					{
						Stack[0][StackIndex]=pDefine-SubMenuDefine;
						Stack[1][StackIndex]=DrawMenuItem[2];
						Stack[2][StackIndex]=DrawMenuItem[4];
						StackIndex++;
						
						pDefine=SubMenuDefine+(unsigned int)(*pMenu-MENU_SUBITEM)*2;
						TopMenuItem=*pDefine -1;
						MenuCount=pDefine[1];
						DrawMenuItem[2]=1;
						DrawMenuItem[3]=0;
						DrawMenuItem[4]=0;
						DrawMenuItem[5]=1;
					}
					else if (*pMenu<=MENU_SUBITEM)
					{
						ExecuteMenu(CurrentMenuItem+1);
					}
					
				}
			}
			else if (Key==BT_LEFT)
			{
				if (StackIndex>0)
				{
					StackIndex--;
					pDefine=SubMenuDefine+(unsigned int)(Stack[0][StackIndex]);
					TopMenuItem=*pDefine -1;
					MenuCount=pDefine[1];
					DrawMenuItem[2]=Stack[1][StackIndex];
					DrawMenuItem[3]=1-Stack[1][StackIndex];
					DrawMenuItem[4]=Stack[2][StackIndex];
					DrawMenuItem[5]=Stack[2][StackIndex]+1;
				}
			}
			
			delay_ms(10);
			SOUND_STOP;  //Sound Stop
		}
		
	}
}