mix.c

共享几个AVR单片机的常用代码

uint32_t KB_GetNum(uint8_t posX,uint8_t posY,uint32_t numInit,uint32_t numMin,uint32_t numMax,uint32_t numRes,char *MaskStr)
{
	uint8_t ch;
	uint32_t retV;
	
	retV = numInit;
	
	LCD_SetXY(posX,posY);
	LCD_DispStr(MaskStr);
	LCD_SetXY(posX,posY);
	LCD_DispNum(retV);
	
	while(1)
	{
		ch = KB_GetChar(1,1);
		if(ch == 'B')
			retV /= 10;
		else if(ch == 'C')
			retV = 0;
		else if(ch == 'E')
		{
			if(retV >= numMin && retV <= numMax)
				return retV;
		}
		else if(ch == 'D')
		{
			if(retV >= numRes)
				retV -= numRes;
			else
				retV = 0;
		}
		else if(ch == 'F')
		{
			retV += numRes;
			if(retV > numMax)
				retV = numMax;
		}
		
		else if(ch == 'A')
			;
		else
		{
			retV = retV * 10 + ch - '0';
			if(retV > numMax)
				retV /= 10;
		}

		
		
		LCD_SetXY(posX,posY);
		LCD_DispStr(MaskStr);
		LCD_SetXY(posX,posY);
		LCD_DispNum(retV);
	}
}

uint8_t LCD_DispMenu(const char *MenuStr[],uint8_t MenuNum)
{

	uint8_t idx,ch;
	idx = 0;

	while(1)
	{
		LCD_Clear();

		if(idx > 0)
			LCD_WriteChar(0,0x7F);
		else
			LCD_WriteChar(0,' ');
		
		LCD_DispStr(MenuStr[idx]);

		if(idx < MenuNum)
			LCD_WriteChar(0,0x7E);
		else
			LCD_WriteChar(0,' ');

		LCD_SetXY(0,1);
		LCD_DispStr("SELECT 0-");
		LCD_DispNum(MenuNum);
		LCD_WriteChar(0,':');
		LCD_WriteChar(0,' ');

		LCD_DispNum(idx);
		
		ch = KB_GetChar(1,1);
		switch(ch)
		{
			case 'A':
				break;
			case 'B':
			{
				idx/= 10;
				break;
			}
			case 'C':
			{
				idx = 0;
				break;
			}
			case 'D':
			{
				if(idx > 0)
					idx--;
				break;
			}
			case 'E':
				return idx;
			case 'F':
			{
				if(idx < MenuNum)
					idx++;
				break;
			}

			default:
			{
				idx = idx*10 + ch - '0';
				if(idx > MenuNum)
					idx /= 10;
			}
				
		}
	}
}