keymenu.c

RABBIT3000单片机的键盘处理程序

		status = 0;
		ulTime = read_rtc ();			// get the RTC value
		mktm( &CurTime, ulTime );		// convert seconds to date values
		FormatDateTime();					// convert to text
		waitfor(DelayMs(5));

		// Display Date and Time
		glBuffLock();
		TextGotoXY(&textWindow, 0, 0);
		TextPrintf(&textWindow, "%s\n", szTime);
		waitfor(DelayMs(5));

		// Display user exit message
		TextGotoXY(&textWindow, 0, 3);
		TextPrintf(&textWindow, "Press Key to EXIT");
		waitfor(DelayMs(5));
		glBuffUnlock();

		// Wait for key to be pressed to exit
		waitfor(((wKey = keyGet()) != 0) || DelayMs(100));
		if(wKey != 0)
		{
			glBlankScreen();
			status = 1;
		}
	}
	return(status);
}


//------------------------------------------------------------------------
// LED control function
//------------------------------------------------------------------------
void leds( int mode )
{
	static int toggle, increment;
	auto int led, mask;

	#GLOBAL_INIT {toggle=0;}
	#GLOBAL_INIT {increment=0;}

	if(mode != OPERATE)
	{
		ledCntrl = mode;
		toggle = 0;
		increment = 0;
		return;
	}

	if(ledCntrl == TOGGLE)
	{
		toggle = (~toggle) & 0x01;
		for(led = 0; led <= 6; led++)
		{
			//Toggle the LED's
			dispLedOut(led, toggle);
		}
	}
	else if(ledCntrl == INCREMENT)
	{
		mask = 0x01;
		increment++;
		for(led = 0; led <= 6; led++)
		{

			if(increment & mask)
				dispLedOut(led, 1);
			else
				dispLedOut(led, 0);
			mask = mask << 1;
		}
	}
	else
	{	//Turn all LED'S OFF
		for(led = 0; led <= 6; led++)
			dispLedOut(led, 0);
	}
}


//------------------------------------------------------------------------
// Date and Time prompt message routine
//------------------------------------------------------------------------
void date_prompt(char *ptr, int *col, int *row)
{
	glBlankScreen();
	TextGotoXY(&textWindow, 0, 0);
	TextPrintf(&textWindow, "%s", ptr);
	TextCursorLocation(&textWindow, col, row);

	TextGotoXY(&textWindow, 0, 3);
	TextPrintf(&textWindow, "ENTER to Continue...");
}


//------------------------------------------------------------------------
// Set Date and Time
//  For some reason the starting date is always midnight Jan 1, 2001.
//------------------------------------------------------------------------
void SetDateTime( void )
{
	int wKey;
	int col, row;
	char buffer[256];
	fieldupdate dateTime;

	// Setup for FAST key repeat after holding down key for 12 ticks
	keyConfig (  6,'E',0, 12, 1,  1, 1 );
	keyConfig (  2,'D',0, 12, 1,  1, 1 );
	keyConfig (  5,'+',0, 12, 1,  1, 1 );
	keyConfig (  1,'U',0, 12, 1,  1, 1 );
	keyConfig (  4,'-',0, 12, 1,  1, 1 );

	date_prompt("Select \n4 digit year: ", &col, &row);
	dateTime.data = 2001;
	while(1)
	{
		sprintf(buffer, "%04d", dateTime.data);
		TextGotoXY(&textWindow, col, row);
		TextPrintf(&textWindow, "%s", buffer);
		while((wKey = ProcessKeyField(NUMBER, &dateTime)) == 0);
		if(dateTime.data < 1900 || dateTime.data > 2047)
		{
			dateTime.data = 2001;
		}
		if(wKey == 'E')
		{
			if( dateTime.data  >= 1900 && dateTime.data < 2048) {
				CurTime.tm_year = dateTime.data - 1900;	// offset from 1900
				break;
			}
		}
	}

	date_prompt("Enter month: ", &col, &row);
	dateTime.data = 1;
	while(1)
	{
		sprintf(buffer, "%02d", dateTime.data);
		TextGotoXY(&textWindow, col, row);
		TextPrintf(&textWindow, "%s", buffer);
		while((wKey = ProcessKeyField(NUMBER, &dateTime)) == 0);
		if(wKey == 'E')
		{
			if( dateTime.data >= 1 && dateTime.data < 13 )
			{
				CurTime.tm_mon = dateTime.data;
				break;
			}
		}
		if(dateTime.data < 1 || dateTime.data > 12)
		{
			dateTime.data  = (dateTime.data < 1) ? 12 : 1;
		}
	}

	date_prompt("Enter \nday of month: ", &col, &row);
	dateTime.data = 1;
	while(1)
	{
		sprintf(buffer, "%02d", dateTime.data);
		TextGotoXY(&textWindow, col, row);
		TextPrintf(&textWindow, "%s", buffer);
		while((wKey = ProcessKeyField(NUMBER, &dateTime))== 0);
		if(wKey == 'E')
		{
			if( dateTime.data  >= 1 && dateTime.data < 32) {
				CurTime.tm_mday = dateTime.data;
				break;
			}
		}
		if(dateTime.data < 1 || dateTime.data > 31)
		{
			dateTime.data  = (dateTime.data < 1) ? 31 : 1;
		}
	}


	date_prompt("Enter \nhour (24hr): ", &col, &row);
	dateTime.data = 0;
	while(1)
	{
		sprintf(buffer, "%02d", dateTime.data);
		TextGotoXY(&textWindow, col, row);
		TextPrintf(&textWindow, "%s", buffer);
		while((wKey = ProcessKeyField(NUMBER, &dateTime)) == 0);
		if(wKey == 'E')
		{
			if(dateTime.data >= 0 && dateTime.data < 24) {
				CurTime.tm_hour = dateTime.data;
				break;
			}
		}
		if(dateTime.data < 0 || dateTime.data > 23)
		{
			dateTime.data  = (dateTime.data < 0) ? 23 : 0;
		}
	}

	date_prompt("Enter minute: ", &col, &row);
	dateTime.data = 0;
	while(1)
	{
		sprintf(buffer, "%02d", dateTime.data);
		TextGotoXY(&textWindow, col, row);
		TextPrintf(&textWindow, "%s", buffer);
		while((wKey = ProcessKeyField(NUMBER, &dateTime)) == 0);
		if(wKey == 'E')
		{
			if( dateTime.data >= 0 && dateTime.data < 60) {
				CurTime.tm_min = dateTime.data;
				break;
			}
			if(wKey == 'E')
			{
				break;
			}
		}
		if(dateTime.data < 0 || dateTime.data > 59)
		{
			dateTime.data  = (dateTime.data < 0) ? 59 : 0;
		}
	}

	CurTime.tm_sec = 0;
	ulTime = mktime ( &CurTime );		// get seconds from 1/1/1980
	write_rtc ( ulTime );				// set the real time clock
	keypadDef();

	glBlankScreen();
	while(1)
	{
		// Get current Date/Time
		FormatDateTime();					// convert to text

		// Display Date and Time
		glBuffLock();
		TextGotoXY(&textWindow, 0, 0);
		TextPrintf(&textWindow, "%s\n", szTime);

		// Display user exit message
		TextGotoXY(&textWindow, 0, 3);
		TextPrintf(&textWindow, "Press Key to EXIT    ");
		glBuffUnlock();

		keyProcess ();
		if((wKey = keyGet()) != 0)
		{
			glBlankScreen();
			break;
		}
	}
}

//------------------------------------------------------------------------
// Display Sign-on message
//------------------------------------------------------------------------
void SignOnMessage(void)
{
	auto int signMesgDone, i, loop;
	auto char buffer[256];

	// Display Sign-on Message then wait for any key to continue
	glXPutBitmap (0,0,53,29,Zwbw5_bmp);
	msDelay(500);

	signMesgDone = FALSE;
	while(!signMesgDone)
	{
		i=0;
		sprintf(buffer, "Hello from Zworld!!!");
		strcat(buffer, "     Press any KEY to Continue...      ");
		while(buffer[i] != '\0' && !signMesgDone)
		{
			glHScroll(50, 0, LCD_XS, 16, -6);
			glPrintf (116,  4,   &fi6x8, "%c", buffer[i++]);
			for(loop=0; loop < 165; loop++)
			{
				msDelay(1);
				keyProcess ();
				if(keyGet() != 0)
				{
					signMesgDone = TRUE;
				}
			}
		}
	}
}

//------------------------------------------------------------------------
// Sample program to demonstrate the LCD and keypad
//------------------------------------------------------------------------
void main (	void	)
{
	auto int option, initialize;

	//------------------------------------------------------------------------
	// Initialize the controller
	//------------------------------------------------------------------------
	brdInit();							//Initialize the controller
	devPowerSet(DISPDEV, 1);		//enable display/keypad buffer
	dispInit();							//initialize module
	keypadDef();		// Use the default keypad ASCII return values

	//glBackLight(1);	// Turn-on the backlight
	glXFontInit(&fi6x8, 6, 8, 32, 127, Font6x8);			//	Initialize 6x8 font
	glXFontInit(&fi8x10, 8, 10, 32, 127, Font8x10);		//	Initialize 10x16 font
	glXFontInit(&fi12x16, 12, 16, 32, 127, Font12x16);	//	Initialize 12x16 font

	// Setup and center text window to be the entire display
	TextWindowFrame(&textWindow, &fi6x8, 1, 0, 121, 32);

	// Set variables to known states
	initialize = TRUE; 	// Set flag for MENU options to be displayed
	ledCntrl = LEDOFF;	// Initially disable the LED's

	//------------------------------------------------------------------------
	// Display Sign-on message and wait for keypress
	//------------------------------------------------------------------------
	SignOnMessage();

	//------------------------------------------------------------------------
	// Main program loop for the MENU system
	//------------------------------------------------------------------------
	for (;;)
	{
		costate
		{
			keyProcess ();
			waitfor(DelayMs(10));
		}

		costate
		{
			leds(OPERATE);
			waitfor(DelayMs(50));
		}
		costate
		{
			// Display the MAIN MENU
			waitfor((option = display_menu(main_menu, initialize)) > 0);

			// Get menu option from the user
			switch(option)
			{
				// Change Date/Time
				case 1:	glBlankScreen();
							SetDateTime();
							initialize = TRUE;
							break;

				// Display current Date/Time
				case 2:	glBlankScreen();
							waitfor(dispDate());
							initialize = TRUE;
							break;

				// Turn Backlight OFF
				case 3:	glBackLight(0);
							initialize = FALSE;
							break;

				// Turn Backlight ON
				case 4:	glBackLight(1);
							initialize = FALSE;
							break;

				// Enable Toggle leds option
				case 5:	leds(TOGGLE);
							initialize = FALSE;
							break;

				// Enable Increment leds option
				case 6:	leds(INCREMENT);
							initialize = FALSE;
							break;

				// Disable LED's
				case 7:	leds(LEDOFF);
							initialize = FALSE;
							break;

				// User made invalid selection
				default:
					break;
			}
		}
	}
}