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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´ÎÑ­¾Í¿ÉÍê³É¡£ÇåÆÁÖ¸Áî LCD_RS=0; //ÒªÓÃ200´ÎÑ­»·±ãÄÜÍê³É¡£ LCD_RW=1; LCD_DB=0xff; LCD_E=1;

}while(LCD_DB^7==1); £ý

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2£©Ð´ÈëÃüÁÊý

void LCD_Write_Com(unsigned char com) {

while(LCD_Check_Busy()); //æÔòµÈ´ý RS_CLR; RW_CLR;