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標(biāo)題: 1602液晶求高手幫忙指點(diǎn)一下程序哪出錯(cuò)了？ [打印本頁(yè)]

作者: 何電明單片機(jī) 時(shí)間: 2012-3-9 12:10
標(biāo)題: 1602液晶求高手幫忙指點(diǎn)一下程序哪出錯(cuò)了？
#include #define uint unsigned int #define uchar unsigned char sbit rs=P2^4; sbit en=P2^5; sbit rw=P2^6; uchar num; uchar code table[]="I LOVE YOU"; void delay_1ms(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com) { rs=0; rw=0; en=0; delay_1ms(1); P0=com; delay_1ms(2); en=1; delay_1ms(2); en=0; } void write_data(uchar date) { rs=1; rw=0; en=0; delay_1ms(1); P0=date; delay_1ms(2); en=1; delay_1ms(2); en=0; } void init() { write_com(0x38); delay_1ms(1); write_com(0x0C); delay_1ms(1); write_com(0x06); delay_1ms(1); write_com(0x01); delay_1ms(1); } mian() { init(); write_com(0x80); for(num=0;num<8;num++) { write_data(table[num]); delay_1ms(2); } }

作者: 何電明單片機(jī) 時(shí)間: 2012-3-9 12:14
#include #define uint unsigned int #define uchar unsigned char sbit rs=P2^4; sbit en=P2^5; sbit rw=P2^6; uchar num; uchar code table[]="I LOVE YOU"; void delay_1ms(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com) { rs=0; rw=0; en=0; delay_1ms(1); P0=com; delay_1ms(2); en=1; delay_1ms(2); en=0; } void write_data(uchar date) { rs=1; rw=0; en=0; delay_1ms(1); P0=date; delay_1ms(2); en=1; delay_1ms(2); en=0; } void init() { write_com(0x38); delay_1ms(1); write_com(0x0C); delay_1ms(1); write_com(0x06); delay_1ms(1); write_com(0x01); delay_1ms(1); } mian() { init(); write_com(0x80); for(num=0;num<8;num++) { write_data(table[num]); delay_1ms(2); } }

作者: 志在四方 時(shí)間: 2012-3-10 09:49
液晶初始化函數(shù)先給液晶15ms的反應(yīng)時(shí)間吧在write_com(0x38); 前面加delay_1ms(15);

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