LCD1602³£ÓÃ֪ʶµã
1. LCD1602¼ò½é
LCD1602Ϊ¹¤Òµ×Ö·ûÐÍÒº¾§£¬Äܹ»Í¬Ê±ÏÔʾ16 x 2£¨16ÁÐ2ÐУ©¼´32¸ö×Ö·û¡£1602Òº¾§Ò²½Ð1602×Ö·ûÐÍÒº¾§£¬ËüÊÇÒ»ÖÖרÃÅÓÃÀ´ÏÔʾ×Öĸ¡¢Êý×Ö¡¢·ûºÅµÈµÄµãÕóÐÍÒº¾§Ä£¿é¡£ËüÓÉÈô¸É¸ö5X7»òÕß5X11µÈµãÕó×Ö·ûλ×é³É£¬Ã¿¸öµãÕó×Ö·ûλ¶¼¿ÉÒÔÏÔʾһ¸ö×Ö·û£¬Ã¿Î»Ö®¼äÓÐÒ»¸öµã¾àµÄ¼ä¸ô£¬Ã¿ÐÐÖ®¼äÒ²Óмä¸ô£¬Æðµ½ÁË×Ö·û¼ä¾àºÍÐмä¾àµÄ×÷Óã¬ÕýÒòΪÈç´ËËùÒÔËü²»ÄܺܺõØÏÔʾͼÐΡ£
2. Òý½Å¹¦ÄÜÏêÐð
3. ÐźÅÕæÖµ±í
4. ³£ÓÃÖ¸Á
5. ³£ÓôúÂë¶Î
1£©ÅÐæº¯Êý
Bit LCD_Check_Busy(void) {
DataPort= 0xFF; RS_CLR; RW_SET; EN_SET;
return (bit)(DataPort & 0x80); }
/*******¼ì²é溯Êý*************
void LCD_check_busy() //ʵ¼ùÖ¤Ã÷£¬ÔÚÎÒµÄLCD1602ÉÏ£¬¼ì²éæָÁîͨ¹ýÂʼ«µÍ£¬ÒÔ { //ÖÁÓÚ²»ÄÜÕý³£Ê¹ÓÃLCD¡£Òò´ËÎÒûÓÐÔÙÓüì²é溯Êý¡£¶øÊ¹ do //ÓÃÁËÑÓʱµÄ·½·¨£¬ÑÓʱ»¹ÊǷdz£ºÃÓõġ£ÎÒÊÔÁËһϣ¬Óà { LCD_E=0; //forÑ»·×÷ÑÓʱ£¬ÆÕָͨÁîÖ»Òª1´ÎѾͿÉÍê³É¡£ÇåÆÁÖ¸Áî LCD_RS=0; //ÒªÓÃ200´ÎÑ»·±ãÄÜÍê³É¡£ LCD_RW=1; LCD_DB=0xff; LCD_E=1;
}while(LCD_DB^7==1); £ý
******************************/
2£©Ð´ÈëÃüÁÊý
void LCD_Write_Com(unsigned char com) {
while(LCD_Check_Busy()); //æÔòµÈ´ý RS_CLR; RW_CLR;