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[導(dǎo)讀]sbit p_csa=P2^6;sbit p_csb=P2^7;sbit p_gnda=P2^5;sbit p_gndb=P2^4;sbit p_di=P2^3;sbit p_rw=P2^2;sbit p_e=P2^1;忙判別void lcd_busy(void) {p_di=0;p_rw=1;P0=0xff;w

sbit p_csa=P2^6;

sbit p_csb=P2^7;

sbit p_gnda=P2^5;

sbit p_gndb=P2^4;

sbit p_di=P2^3;

sbit p_rw=P2^2;

sbit p_e=P2^1;

忙判別

void lcd_busy(void) {

p_di=0;p_rw=1;P0=0xff;

while (1) {

p_e=1;

if (P0<0x80) break;

p_e=0;

}

p_e=0;

}

/*設(shè)置xy*/

void set_xy(unsigned char x,unsigned char y) {

if (x>=64) {p_csa=0;p_csb=1;} else {p_csb=0;p_csa=1;}

lcd_busy();

p_di=p_rw=0;P0=0x40|x;p_e=1;p_e=0;

lcd_busy();

p_di=p_rw=0;P0=0xb8|y;p_e=1;p_e=0;

P0=0xff;

}

void lw(unsigned char x,unsigned char y,unsigned char dd) {

set_xy(x,y);

lcd_busy();p_di=1;p_rw=0;P0=dd;p_e=1;p_e=0;

P0=0xff;

}

/*顯示初始化*/

#pragma disable

void lcd_init(void) {

unsigned char x,y;

p_gnda=p_gndb=0;

/*開顯示*/

p_e=p_di=p_rw=0;

p_csa=p_csb=0;

p_csa=1;P0=0x3f;p_e=1;p_e=0;p_csa=0;

p_csb=1;P0=0x3f;p_e=1;p_e=0;p_csb=0;

/*0行開始顯示*/

p_csa=1;lcd_busy();p_di=p_rw=0;P0=0xc0;p_e=1;p_e=0;p_csa=0;

p_csb=1;lcd_busy();p_di=p_rw=0;P0=0xc0;p_e=1;p_e=0;p_csb=0;

for (y=0;y<8;y++) {

for (x=0;x<128;x++) lw(x,y,0);

}

}

unsigned char code asc[]={

0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x0,0x0,0x38,0xfc,0xfc,0x38,0x0,0x0,0x0,0x0,0x0,0xd,0xd,0x0,0x0,0x0,

0x0,0xe,0x1e,0x0,0x0,0x1e,0xe,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x20,0xf8,0xf8,0x20,0xf8,0xf8,0x20,0x0,0x2,0xf,0xf,0x2,0xf,0xf,0x2,0x0,

0x38,0x7c,0x44,0x47,0x47,0xcc,0x98,0x0,0x6,0xc,0x8,0x38,0x38,0xf,0x7,0x0,

0x30,0x30,0x0,0x80,0xc0,0x60,0x30,0x0,0xc,0x6,0x3,0x1,0x0,0xc,0xc,0x0,

0x80,0xd8,0x7c,0xe4,0xbc,0xd8,0x40,0x0,0x7,0xf,0x8,0x8,0x7,0xf,0x8,0x0,

0x0,0x10,0x1e,0xe,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x0,0x0,0xf0,0xf8,0xc,0x4,0x0,0x0,0x0,0x0,0x3,0x7,0xc,0x8,0x0,0x0,

0x0,0x0,0x4,0xc,0xf8,0xf0,0x0,0x0,0x0,0x0,0x8,0xc,0x7,0x3,0x0,0x0,

0x80,0xa0,0xe0,0xc0,0xc0,0xe0,0xa0,0x80,0x0,0x2,0x3,0x1,0x1,0x3,0x2,0x0,

0x0,0x80,0x80,0xe0,0xe0,0x80,0x80,0x0,0x0,0x0,0x0,0x3,0x3,0x0,0x0,0x0,

0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10,0x1e,0xe,0x0,0x0,0x0,

0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc,0xc,0x0,0x0,0x0,

0x0,0x0,0x0,0x80,0xc0,0x60,0x30,0x0,0xc,0x6,0x3,0x1,0x0,0x0,0x0,0x0,

0xf0,0xf8,0xc,0xc4,0xc,0xf8,0xf0,0x0,0x3,0x7,0xc,0x8,0xc,0x7,0x3,0x0,

0x0,0x10,0x18,0xfc,0xfc,0x0,0x0,0x0,0x0,0x8,0x8,0xf,0xf,0x8,0x8,0x0,

0x8,0xc,0x84,0xc4,0x64,0x3c,0x18,0x0,0xe,0xf,0x9,0x8,0x8,0xc,0xc,0x0,

0x8,0xc,0x44,0x44,0x44,0xfc,0xb8,0x0,0x4,0xc,0x8,0x8,0x8,0xf,0x7,0x0,

0xc0,0xe0,0xb0,0x98,0xfc,0xfc,0x80,0x0,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x0,

0x7c,0x7c,0x44,0x44,0x44,0xc4,0x84,0x0,0x4,0xc,0x8,0x8,0x8,0xf,0x7,0x0,

0xf0,0xf8,0x4c,0x44,0x44,0xc0,0x80,0x0,0x7,0xf,0x8,0x8,0x8,0xf,0x7,0x0,

0xc,0xc,0x4,0x84,0xc4,0x7c,0x3c,0x0,0x0,0x0,0xf,0xf,0x0,0x0,0x0,0x0,

0xb8,0xfc,0x44,0x44,0x44,0xfc,0xb8,0x0,0x7,0xf,0x8,0x8,0x8,0xf,0x7,0x0,

0x38,0x7c,0x44,0x44,0x44,0xfc,0xf8,0x0,0x0,0x8,0x8,0x8,0xc,0x7,0x3,0x0,

0x0,0x0,0x0,0x30,0x30,0x0,0x0,0x0,0x0,0x0,0x0,0x6,0x6,0x0,0x0,0x0,

0x0,0x0,0x0,0x30,0x30,0x0,0x0,0x0,0x0,0x0,0x8,0xe,0x6,0x0,0x0,0x0,

0x0,0x80,0xc0,0x60,0x30,0x18,0x8,0x0,0x0,0x0,0x1,0x3,0x6,0xc,0x8,0x0,

0x0,0x20,0x20,0x20,0x20,0x20,0x20,0x0,0x0,0x1,0x1,0x1,0x1,0x1,0x1,0x0,

0x0,0x8,0x18,0x30,0x60,0xc0,0x80,0x0,0x0,0x8,0xc,0x6,0x3,0x1,0x0,0x0,

0x18,0x1c,0x4,0xc4,0xe4,0x3c,0x18,0x0,0x0,0x0,0x0,0xd,0xd,0x0,0x0,0x0,

0xf0,0xf8,0x8,0xc8,0xc8,0xf8,0xf0,0x0,0x7,0xf,0x8,0xb,0xb,0xb,0x1,0x0,

0xe0,0xf0,0x98,0x8c,0x98,0xf0,0xe0,0x0,0xf,0xf,0x0,0x0,0x0,0xf,0xf,0x0,

0x4,0xfc,0xfc,0x44,0x44,0xfc,0xb8,0x0,0x8,0xf,0xf,0x8,0x8,0xf,0x7,0x0,

0xf0,0xf8,0xc,0x4,0x4,0xc,0x18,0x0,0x3,0x7,0xc,0x8,0x8,0xc,0x6,0x0,

0x4,0xfc,0xfc,0x4,0xc,0xf8,0xf0,0x0,0x8,0xf,0xf,0x8,0xc,0x7,0x3,0x0,

0x4,0xfc,0xfc,0x44,0xe4,0xc,0x1c,0x0,0x8,0xf,0xf,0x8,0x8,0xc,0xe,0x0,

0x4,0xfc,0xfc,0x44,0xe4,0xc,0x1c,0x0,0x8,0xf,0xf,0x8,0x0,0x0,0x0,0x0,

0xf0,0xf8,0xc,0x84,0x84,0x8c,0x98,0x0,0x3,0x7,0xc,0x8,0x8,0x7,0xf,0x0,

0xfc,0xfc,0x40,0x40,0x40,0xfc,0xfc,0x0,0xf,0xf,0x0,0x0,0x0,0xf,0xf,0x0,

0x0,0x0,0x4,0xfc,0xfc,0x4,0x0,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,

0x0,0x0,0x0,0x4,0xfc,0xfc,0x4,0x0,0x7,0xf,0x8,0x8,0xf,0x7,0x0,0x0,

0x4,0xfc,0xfc,0xc0,0xe0,0x3c,0x1c,0x0,0x8,0xf,0xf,0x0,0x1,0xf,0xe,0x0,

0x4,0xfc,0xfc,0x4,0x0,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x8,0xc,0xe,0x0,

0xfc,0xfc,0x38,0x70,0x38,0xfc,0xfc,0x0,0xf,0xf,0x0,0x0,0x0,0xf,0xf,0x0,

0xfc,0xfc,0x38,0x70,0xe0,0xfc,0xfc,0x0,0xf,0xf,0x0,0x0,0x0,0xf,0xf,0x0,[!--empirenews.page--]

0xf8,0xfc,0x4,0x4,0x4,0xfc,0xf8,0x0,0x7,0xf,0x8,0x8,0x8,0xf,0x7,0x0,

0x4,0xfc,0xfc,0x44,0x44,0x7c,0x38,0x0,0x8,0xf,0xf,0x8,0x0,0x0,0x0,0x0,

0xf8,0xfc,0x4,0x4,0x4,0xfc,0xf8,0x0,0x7,0xf,0x8,0xe,0x3c,0x3f,0x27,0x0,

0x4,0xfc,0xfc,0x44,0xc4,0xfc,0x38,0x0,0x8,0xf,0xf,0x0,0x0,0xf,0xf,0x0,

0x18,0x3c,0x64,0x44,0xc4,0x9c,0x18,0x0,0x6,0xe,0x8,0x8,0x8,0xf,0x7,0x0,

0x0,0x1c,0xc,0xfc,0xfc,0xc,0x1c,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,

0xfc,0xfc,0x0,0x0,0x0,0xfc,0xfc,0x0,0x7,0xf,0x8,0x8,0x8,0xf,0x7,0x0,

0xfc,0xfc,0x0,0x0,0x0,0xfc,0xfc,0x0,0x1,0x3,0x6,0xc,0x6,0x3,0x1,0x0,

0xfc,0xfc,0x0,0xc0,0x0,0xfc,0xfc,0x0,0x7,0xf,0xe,0x3,0xe,0xf,0x7,0x0,

0xc,0x3c,0xf0,0xe0,0xf0,0x3c,0xc,0x0,0xc,0xf,0x3,0x1,0x3,0xf,0xc,0x0,

0x0,0x3c,0x7c,0xc0,0xc0,0x7c,0x3c,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,

0x1c,0xc,0x84,0xc4,0x64,0x3c,0x1c,0x0,0xe,0xf,0x9,0x8,0x8,0xc,0xe,0x0,

0x0,0x0,0xfc,0xfc,0x4,0x4,0x0,0x0,0x0,0x0,0xf,0xf,0x8,0x8,0x0,0x0,

0x38,0x70,0xe0,0xc0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x3,0x7,0xe,0x0,

0x0,0x0,0x4,0x4,0xfc,0xfc,0x0,0x0,0x0,0x0,0x8,0x8,0xf,0xf,0x0,0x0,

0x8,0xc,0x6,0x3,0x6,0xc,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,

0x0,0x0,0x3,0x7,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x0,0xa0,0xa0,0xa0,0xe0,0xc0,0x0,0x0,0x7,0xf,0x8,0x8,0x7,0xf,0x8,0x0,

0x4,0xfc,0xfc,0x20,0x60,0xc0,0x80,0x0,0x0,0xf,0xf,0x8,0x8,0xf,0x7,0x0,

0xc0,0xe0,0x20,0x20,0x20,0x60,0x40,0x0,0x7,0xf,0x8,0x8,0x8,0xc,0x4,0x0,

0x80,0xc0,0x60,0x24,0xfc,0xfc,0x0,0x0,0x7,0xf,0x8,0x8,0x7,0xf,0x8,0x0,

0xc0,0xe0,0xa0,0xa0,0xa0,0xe0,0xc0,0x0,0x7,0xf,0x8,0x8,0x8,0xc,0x4,0x0,

0x40,0xf8,0xfc,0x44,0xc,0x18,0x0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,0x0,0x0,

0xc0,0xe0,0x20,0x20,0xc0,0xe0,0x20,0x0,0x27,0x6f,0x48,0x48,0x7f,0x3f,0x0,0x0,

0x4,0xfc,0xfc,0x40,0x20,0xe0,0xc0,0x0,0x8,0xf,0xf,0x0,0x0,0xf,0xf,0x0,

0x0,0x0,0x20,0xec,0xec,0x0,0x0,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,

0x0,0x0,0x0,0x0,0x20,0xec,0xec,0x0,0x0,0x30,0x70,0x40,0x40,0x7f,0x3f,0x0,

0x4,0xfc,0xfc,0x80,0xc0,0x60,0x20,0x0,0x8,0xf,0xf,0x1,0x3,0xe,0xc,0x0,

0x0,0x0,0x4,0xfc,0xfc,0x0,0x0,0x0,0x0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,

0xe0,0xe0,0x60,0xc0,0x60,0xe0,0xc0,0x0,0xf,0xf,0x0,0x7,0x0,0xf,0xf,0x0,

0x20,0xe0,0xc0,0x20,0x20,0xe0,0xc0,0x0,0x0,0xf,0xf,0x0,0x0,0xf,0xf,0x0,

0xc0,0xe0,0x20,0x20,0x20,0xe0,0xc0,0x0,0x7,0xf,0x8,0x8,0x8,0xf,0x7,0x0,

0x20,0xe0,0xc0,0x20,0x20,0xe0,0xc0,0x0,0x40,0x7f,0x7f,0x48,0x8,0xf,0x7,0x0,

0xc0,0xe0,0x20,0x20,0xc0,0xe0,0x20,0x0,0x7,0xf,0x8,0x48,0x7f,0x7f,0x40,0x0,

0x20,0xe0,0xc0,0x60,0x20,0xe0,0xc0,0x0,0x8,0xf,0xf,0x8,0x0,0x0,0x0,0x0,

0x40,0xe0,0xa0,0x20,0x20,0x60,0x40,0x0,0x4,0xc,0x9,0x9,0xb,0xe,0x4,0x0,

0x20,0x20,0xf8,0xfc,0x20,0x20,0x0,0x0,0x0,0x0,0x7,0xf,0x8,0xc,0x4,0x0,

0xe0,0xe0,0x0,0x0,0xe0,0xe0,0x0,0x0,0x7,0xf,0x8,0x8,0x7,0xf,0x8,0x0,

0x0,0xe0,0xe0,0x0,0x0,0xe0,0xe0,0x0,0x0,0x3,0x7,0xc,0xc,0x7,0x3,0x0,

0xe0,0xe0,0x0,0x80,0x0,0xe0,0xe0,0x0,0x7,0xf,0xc,0x7,0xc,0xf,0x7,0x0,

0x20,0x60,0xc0,0x80,0xc0,0x60,0x20,0x0,0x8,0xc,0x7,0x3,0x7,0xc,0x8,0x0,

0xe0,0xe0,0x0,0x0,0x0,0xe0,0xe0,0x0,0x47,0x4f,0x48,0x48,0x68,0x3f,0x1f,0x0,

0x60,0x60,0x20,0xa0,0xe0,0x60,0x20,0x0,0xc,0xe,0xb,0x9,0x8,0xc,0xc,0x0,

0x0,0x40,0x40,0xf8,0xbc,0x4,0x4,0x0,0x0,0x0,0x0,0x7,0xf,0x8,0x8,0x0,

0x0,0x0,0x0,0xbc,0xbc,0x0,0x0,0x0,0x0,0x0,0x0,0xf,0xf,0x0,0x0,0x0,

0x0,0x4,0x4,0xbc,0xf8,0x40,0x40,0x0,0x0,0x8,0x8,0xf,0x7,0x0,0x0,0x0,

0x8,0xc,0x4,0xc,0x8,0xc,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,

0x80,0xc0,0x60,0x30,0x60,0xc0,0x80,0x0,0x7,0x7,0x4,0x4,0x4,0x7,0x7,0x0

};

unsigned char code hz[]={

/*解: 0*/

0x20,0x10,0xec,0x27,0xf4,0x2c,0xe4,0x40,

0x22,0x9e,0x2,0xd2,0x22,0x1f,0x2,0x0,

0x80,0x40,0x3f,0x9,0x3f,0x89,0xff,0x8,

0xa,0x9,0x9,0xff,0x9,0x9,0x8,0x0

};

顯示漢字,fb==1:反白顯示

void dh(unsigned char x,unsigned char y,unsigned char n,unsigned char fb) {

unsigned char i,dd;

for (i=0;i<16;i++) {

dd=hz[i+n*32];

if (fb) if (n!=kongbai) dd=255-dd;

lw(x*8+i,y,dd);

dd=hz[i+n*32+16];

if (fb) if (n!=kongbai) dd=255-dd;

lw(x*8+i,y+1,dd);

}

}

顯示字符,fb==1:反白顯示

void da(unsigned char x,unsigned char y,unsigned char n,unsigned char fb) {

unsigned char i,dd;

n-=32;

if (n>128) n=0;

if (fb) dd=255; else dd=0;

lw(x*8,y,dd);

lw(x*8,y+1,dd);

for (i=0;i<7;i++) {

dd=asc[i+n*16];

if (fb) dd=255-dd;

lw(x*8+i+1,y,dd);

dd=asc[i+n*16+8];

if (fb) dd=255-dd;

lw(x*8+i+1,y+1,dd);

}

}

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延伸閱讀

LED驅(qū)動(dòng)電源的輸入包括高壓工頻交流(即市電)、低壓直流、高壓直流、低壓高頻交流(如電子變壓器的輸出)等。

關(guān)鍵字: 驅(qū)動(dòng)電源

在工業(yè)自動(dòng)化蓬勃發(fā)展的當(dāng)下,工業(yè)電機(jī)作為核心動(dòng)力設(shè)備,其驅(qū)動(dòng)電源的性能直接關(guān)系到整個(gè)系統(tǒng)的穩(wěn)定性和可靠性。其中,反電動(dòng)勢(shì)抑制與過(guò)流保護(hù)是驅(qū)動(dòng)電源設(shè)計(jì)中至關(guān)重要的兩個(gè)環(huán)節(jié),集成化方案的設(shè)計(jì)成為提升電機(jī)驅(qū)動(dòng)性能的關(guān)鍵。

關(guān)鍵字: 工業(yè)電機(jī) 驅(qū)動(dòng)電源

LED 驅(qū)動(dòng)電源作為 LED 照明系統(tǒng)的 “心臟”,其穩(wěn)定性直接決定了整個(gè)照明設(shè)備的使用壽命。然而,在實(shí)際應(yīng)用中,LED 驅(qū)動(dòng)電源易損壞的問題卻十分常見,不僅增加了維護(hù)成本,還影響了用戶體驗(yàn)。要解決這一問題,需從設(shè)計(jì)、生...

關(guān)鍵字: 驅(qū)動(dòng)電源 照明系統(tǒng) 散熱

根據(jù)LED驅(qū)動(dòng)電源的公式,電感內(nèi)電流波動(dòng)大小和電感值成反比,輸出紋波和輸出電容值成反比。所以加大電感值和輸出電容值可以減小紋波。

關(guān)鍵字: LED 設(shè)計(jì) 驅(qū)動(dòng)電源

電動(dòng)汽車(EV)作為新能源汽車的重要代表,正逐漸成為全球汽車產(chǎn)業(yè)的重要發(fā)展方向。電動(dòng)汽車的核心技術(shù)之一是電機(jī)驅(qū)動(dòng)控制系統(tǒng),而絕緣柵雙極型晶體管(IGBT)作為電機(jī)驅(qū)動(dòng)系統(tǒng)中的關(guān)鍵元件,其性能直接影響到電動(dòng)汽車的動(dòng)力性能和...

關(guān)鍵字: 電動(dòng)汽車 新能源 驅(qū)動(dòng)電源

在現(xiàn)代城市建設(shè)中,街道及停車場(chǎng)照明作為基礎(chǔ)設(shè)施的重要組成部分,其質(zhì)量和效率直接關(guān)系到城市的公共安全、居民生活質(zhì)量和能源利用效率。隨著科技的進(jìn)步,高亮度白光發(fā)光二極管(LED)因其獨(dú)特的優(yōu)勢(shì)逐漸取代傳統(tǒng)光源,成為大功率區(qū)域...

關(guān)鍵字: 發(fā)光二極管 驅(qū)動(dòng)電源 LED

LED通用照明設(shè)計(jì)工程師會(huì)遇到許多挑戰(zhàn),如功率密度、功率因數(shù)校正(PFC)、空間受限和可靠性等。

關(guān)鍵字: LED 驅(qū)動(dòng)電源 功率因數(shù)校正

在LED照明技術(shù)日益普及的今天,LED驅(qū)動(dòng)電源的電磁干擾(EMI)問題成為了一個(gè)不可忽視的挑戰(zhàn)。電磁干擾不僅會(huì)影響LED燈具的正常工作,還可能對(duì)周圍電子設(shè)備造成不利影響,甚至引發(fā)系統(tǒng)故障。因此,采取有效的硬件措施來(lái)解決L...

關(guān)鍵字: LED照明技術(shù) 電磁干擾 驅(qū)動(dòng)電源

開關(guān)電源具有效率高的特性,而且開關(guān)電源的變壓器體積比串聯(lián)穩(wěn)壓型電源的要小得多,電源電路比較整潔,整機(jī)重量也有所下降,所以,現(xiàn)在的LED驅(qū)動(dòng)電源

關(guān)鍵字: LED 驅(qū)動(dòng)電源 開關(guān)電源

LED驅(qū)動(dòng)電源是把電源供應(yīng)轉(zhuǎn)換為特定的電壓電流以驅(qū)動(dòng)LED發(fā)光的電壓轉(zhuǎn)換器,通常情況下:LED驅(qū)動(dòng)電源的輸入包括高壓工頻交流(即市電)、低壓直流、高壓直流、低壓高頻交流(如電子變壓器的輸出)等。

關(guān)鍵字: LED 隧道燈 驅(qū)動(dòng)電源
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