rfid_lcdmenu.c

找的一个用U2270B开发的射频卡项目文件

// $Id: rfid_LCDMenu.c,v 1.3 2006/10/12 14:00:54 tprescott Exp $
/*************************************************************
Project : rfid_LCDMenu.c
Date    : 9/08/2006
Author  : Toby Prescott                   
Company : Atmel                           
Comments: AVR Studio GCC

Revisions:
	v1.0 - Started written for CodeVision 
	v2.6 - Clean for WinAVR
*************************************************************/

#include "rfid_LCDMenu.h" 

// Declare your global variables here
        
// *******************************************************************************
// Menu for controlling LCD and Main Board functions
// ******************************************************************************/
void LCDMenu_Display(void)
{

       	unsigned char correctionFactor, currentPos=0, nextPos=0;
		unsigned char tmpContrast, tmpBright, tmpSoundState, tmpReverseState;
       	
		tmpContrast = eeprom_read_byte(&contrastVal);
		tmpBright = eeprom_read_byte(&brightVal);
		tmpSoundState = eeprom_read_byte(&soundState);
		tmpReverseState = eeprom_read_byte(&reverseState);

		upDate = 0;
        uio_Release();		// Wait for button release
        while(cButton != IO_F1 && cButton != IO_F2 && cButton != IO_F3 && cButton != IO_F4)
        {   
			// Menu Display 
			if(currentPos != nextPos || upDate == 0)
			{
				currentPos = nextPos;
				lcd_clear_area(SCRN_LEFT+1,12,SCRN_RIGHT-1,SCRN_BOTTOM-1);

				lcd_put_fString(4, 13, PSTR("Contrast"));
				lcd_put_fString(4, 22, PSTR("Brightness"));
				lcd_put_fString(4, 31, PSTR("Sound"));
				lcd_put_fString(4, 40, PSTR("Inverse"));

		 		if(currentPos == 0){lcd_invert_area(3, 12, end_fString_Pos(4,PSTR("Contrast")), 20);}
				else if(currentPos == 1){lcd_invert_area(3, 21, end_fString_Pos(4,PSTR("Brightness")), 29);}
				else if(currentPos == 2){lcd_invert_area(3, 30, end_fString_Pos(4,PSTR("Sound")), 38);}
				else if(currentPos == 3){lcd_invert_area(3, 39, end_fString_Pos(4,PSTR("Inverse")), 47);}

			 	lcd_ConfigDisplay(); 
			    lcd_clear_area(end_fString_Pos(4, PSTR("Brightness"))+3,13,SCRN_RIGHT-3,29);
		        
			    correctionFactor = tmpContrast - 13;
				lcd_box(SCRN_RIGHT-53,13,SCRN_RIGHT-3,20);
				lcd_fill_area((SCRN_RIGHT-52+correctionFactor),14,SCRN_RIGHT-4,19);
			
			    correctionFactor = tmpBright * 5;
				lcd_box(SCRN_RIGHT-53,22,SCRN_RIGHT-3,29);
				lcd_fill_area((SCRN_RIGHT-52+correctionFactor),23,SCRN_RIGHT-4,28);
		
		        lcd_clear_area(end_fString_Pos(4, PSTR("Inverse"))+3,31,SCRN_RIGHT-6,47);
		        if(tmpSoundState == 1){lcd_put_fString(end_fString_Pos(4, PSTR("Inverse"))+3, 31, PSTR("= On"));}
		        else if(tmpSoundState == 0){lcd_put_fString(end_fString_Pos(4, PSTR("Inverse"))+3, 31, PSTR("= Off"));}
	
				if(tmpReverseState == 1){lcd_put_fString(end_fString_Pos(4, PSTR("Inverse"))+3, 40, PSTR("= On"));}
			   	else if(tmpReverseState == 0){lcd_put_fString(end_fString_Pos(4, PSTR("Inverse"))+3, 40, PSTR("= Off"));}
			
				lcd_update(SCRN_TOP,SCRN_BOTTOM);
				upDate = 1;
			}
			// end display                
			
			uio_Get();
			switch(currentPos){
            case 0:
	            if(cButton == IO_RIGHT && tmpContrast < 63)
	            {
	            	tmpContrast++;
	    			upDate = 0;
                    cButton=0;
	            }
	            else if(cButton == IO_LEFT && tmpContrast > 13)
	            {
	            	tmpContrast--;
	    			upDate = 0;
                    cButton=0;
	            }
	            else if(cButton == IO_DOWN)
	            {
	            	nextPos = 1;
                    //uio_Release();		// Wait for button release
	            }
	            if(cButton>0 && cButton<6){uio_Release();}
	    		upDate = 0;
	            break;
            case 1:
                if(cButton == IO_RIGHT && tmpBright < 10)
                {
        			tmpBright ++;
        			upDate = 0;
                    cButton=0;
                }
                else if(cButton == IO_LEFT && tmpBright > 0)
                {
        			tmpBright --;
        			upDate = 0;
                    cButton=0;
                }
                else if(cButton == IO_UP)
                {
        			nextPos = 0;
                    //uio_Release();		// Wait for button release
                }
                else if(cButton == IO_DOWN)
                {
        			nextPos = 2;
                    //uio_Release();		// Wait for button release
                }
	            if(cButton>0 && cButton<6){uio_Release();}
        		upDate = 0;
                break;
            case 2:
                if(cButton == IO_ENTER || cButton == IO_RIGHT || cButton == IO_LEFT)
				{
					//while(uio_Get() != 0){;}		// Wait for button release
					if(tmpSoundState == 0){tmpSoundState = 1;}
					else {tmpSoundState = 0;}
				}
                else if(cButton == IO_UP)
                {
        			nextPos = 1;
					//while(uio_Get() != 0){;}		// Wait for button release
                }
                else if(cButton == IO_DOWN)
                {
        			nextPos = 3;
					//while(uio_Get() != 0){;}		// Wait for button release
                }
	            if(cButton>0 && cButton<6){uio_Release();}
        		upDate = 0;
                break;
            case 3:
                if(cButton == IO_ENTER || cButton == IO_RIGHT || cButton == IO_LEFT)
                {
					//while(uio_Get() != 0){;}		// Wait for button release
					if(tmpReverseState == 0)
					{
						tmpReverseState = 1;
                		lcd_Write_Display(CMD,DISPLAY_REVERSE);
					}
					else 
					{
						tmpReverseState = 0;
						lcd_Write_Display(CMD,DISPLAY_NORMAL);
					}
                }
                else if(cButton == IO_UP)
                {
        			nextPos = 2;
					//while(uio_Get() != 0){;}		// Wait for button release
                }
                else if(cButton == IO_DOWN){;}
	            if(cButton>0 && cButton<6){uio_Release();}
        		upDate = 0;
                break;
            default:
            	break;
            }
			eeprom_write_byte(&contrastVal,tmpContrast);
			eeprom_write_byte(&brightVal,tmpBright);
			eeprom_write_byte(&soundState,tmpSoundState);
 			eeprom_write_byte(&reverseState,tmpReverseState);
       }

}