適用于多種LCD應(yīng)用場(chǎng)合，包括LCD模塊和顯示子系統(tǒng)。用于連接主控制器和在虎風(fēng)所做的這個(gè)系統(tǒng)中ht1621用于驅(qū)動(dòng)一個(gè)靜態(tài)的LCD液晶顯示器。液晶COM的占空比就要設(shè)定為1/4。為了這個(gè)問(wèn)題困擾了很久，虎風(fēng)太愚鈍啦……就說(shuō)此時(shí)的RAM地址為0b001100，連接B3的是SEG11,對(duì)應(yīng)的RAM地址為0b001011,依次類推，第一個(gè)數(shù)碼管的所有地址為：0b001100,0b001011,0b001010,0b001001,0b001000,0b001101,0b001110,0b000111//DP2;Unsignedchara{nedcharjunsignedcharseg_cnt=8;HT1621_Send_Bits(0x05,3);//送寫(xiě)命令代碼101，高到低HT1621_Send_Bits(LCD_ADD[d_loca*8+j],6);送每/對(duì)應(yīng)的地址高}}{HT1621_Send_Bits(0x05,3);//送寫(xiě)命令代碼101HT1621_HT1621_Send_Bits(LCD_ADD[Poi_loca*seg_cnt+7],6);應(yīng)的地址HT1621_Send_Bits(1,4);HT1621_PORT|=_BV(HT1621_CS);}}***************************************************************************************/voidHTPrintonlyIntunsignedlongdat){unsignedchari;unsignedchardataHTDATANUM];axHTDATANUMidataiLCDCODEHTNoPrintLoc顯示if(dat<10)data[0]=LCD_CODE[(unsignedchar)(dat)];else{dchardatdchardathardatfor(i=0;i<HT1621_DATA_NUM;i++)//從低位到高位，調(diào)用顯示每個(gè)數(shù)的HT1621_Dis_Char(data[i],i);}*********************************************/at*********************************************/{}rHTDATANUMiHTDisChar(data[i],i);}*********************************************/*********************************************/voidHTSendBitsunsignedchardunsignedchard_count){unsignedcharj;jjdcountj{HTPORT=~_BV(HT1621_WR);HTDelay50);dx}}HTPORT=_BV(HT1621_WR);HTDelay50);}}*********************************************/*********************************************/voidHTInit){HTPORT=~_BV(HT1621_CS);HT1621_Send_Bits(0x01,3);0x80=0b10000000HT1621_Send_Bits(0x18,9);HT1621_Send_Bits(0x80,9);HT1621_Send_Bits(0x94,9);//送3位命令模式碼1000100HT1621_Send_Bits