液晶(诺基亚LCD3310)驱动电路及程序

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诺基亚3310液晶是一种OEM产品48X84 pixels matrix LCD controller/driver生产厂家Philips, 型号为:PCD8544可显示84*48点,被评为性价比最好的AVR液晶3310lcd驱动电路:Vdd接3.3V(注意:工作电压是3.3V)或者如图接(1、接100欧姆电阻接5V 2、接二极管再接地)V out接4.7uF电容后接地,电容作用是调对比度GND接地其它的接普通IO口编码显示原理:LCD3310屏幕由84*48个点组成,划分为84列*6行个显示单元,每一个显示单元由1*8个点组成,编程控制显示时按坐标定位,X轴从左到右为0、1、。

83,Y轴从上到下为0、1.。

5,每一个显示单元用一个十六进制0x**控制,0x**转换成二进制后是8个01位,每一个显示单元从上到下为点1到点8,分别对应二进制数的最低到最高位,为1的显示黑点,为0的不显示下面将要讲到的字符显示是用六个连续的显示单元控制显示的,将会显示符号*所以我们可以自由的显示字母、汉字、图片,只要将对应的十六进制控制码写入LCD即可,汉字和图片的控制码可借助于专用的字模生成软件生成。

Pin Signal Description Port1:VDDPower Input. Logic supply voltage range VDD to GND : 2.7 to 3.3 V2:SCLKSerial clock. Input for the clock signal: 0.0 to 4.0 Mbits/s.3:SDINSerial data. Input for the data line.4:D/CMode Select. To select either command/address or data input.5:SCEChip enable input. The enable pin allows data to be clocked in. The signal is active LOW.6:GNDGround7:VOUTOuptut voltage. Add external 1-10 uF electrolytic capacitor from VOUT to GND8:RESExternal reset. This signal will reset the device and must be applied to properlyinitialize the chip. The signal is active LOW.程序:(完整可运行)下面的程序是针对飞思卡尔的十六位单片机MC9S12XS128开发的用于其它MCU时只要将端口改一下,就可移植#include <hidef.h> /* common defines and macros */#include "derivative.h" /* derivative-specific definitions */#define sclk PTM_PTM0 //时钟#define sdin PTM_PTM1 //数据#define dc PTM_PTM2 //1写数据,0写指令#define sce PTP_PTP4 //片选#define res PTP_PTP7 //复位byte const mask_table[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};void Initlcd(void);//LCD初始化void write_byte(byte dd,byte a);//写一个字节到LCDvoid qp(void);//清屏void setadd(byte a,byte d);//设置坐标void DelaymS(word delay);//延时byte const dal1[][6]={//字符显示对应的二维十六进制数组,本程序中没有用到{0x00,0x00,0x00,0x00,0x00,0x00}, // 0位显示空白{0x00,0x00,0x00,0x00,0x00,0x00}, // 1{0x00,0x00,0x00,0x00,0x00,0x00}, // 2{0x00,0x00,0x00,0x00,0x00,0x00}, // 3{0x00,0x00,0x00,0x00,0x00,0x00}, // 4{0x00,0x00,0x00,0x00,0x00,0x00}, // 5{0x00,0x00,0x00,0x00,0x00,0x00}, // 6{0x00,0x00,0x00,0x00,0x00,0x00}, // 7{0x00,0x00,0x00,0x00,0x00,0x00}, // 8{0x00,0x00,0x00,0x00,0x00,0x00}, // 9{0x00,0x00,0x00,0x00,0x00,0x00}, // 10{0x00,0x00,0x00,0x00,0x00,0x00}, // 11{0x00,0x00,0x00,0x00,0x00,0x00}, // 12{0x00,0x00,0x00,0x00,0x00,0x00}, // 13{0x00,0x00,0x00,0x00,0x00,0x00}, // 14{0x00,0x00,0x00,0x00,0x00,0x00}, // 15{0x00,0x00,0x00,0x00,0x00,0x00}, // 16{0x00,0x00,0x00,0x00,0x00,0x00}, // 17{0x00,0x00,0x00,0x00,0x00,0x00}, // 18{0x00,0x00,0x00,0x00,0x00,0x00}, // 19{0x00,0x00,0x00,0x00,0x00,0x00}, // 20{0x00,0x00,0x00,0x00,0x00,0x00}, // 21{0x00,0x00,0x00,0x00,0x00,0x00}, // 22{0x00,0x00,0x00,0x00,0x00,0x00}, // 23{0x00,0x00,0x00,0x00,0x00,0x00}, // 24{0x00,0x00,0x00,0x00,0x00,0x00}, // 25{0x00,0x00,0x00,0x00,0x00,0x00}, // 26{0x00,0x00,0x00,0x00,0x00,0x00}, // 27{0x00,0x00,0x00,0x00,0x00,0x00}, // 28{0x00,0x00,0x00,0x00,0x00,0x00}, // 29{0x00,0x00,0x00,0x00,0x00,0x00}, // 30{0x00,0x00,0x00,0x00,0x00,0x00}, // 31{0x00,0x00,0x00,0x00,0x00,0x00}, // sp 32{0x00,0x00,0x2f,0x00,0x00,0x00}, // ! 33{0x00,0x07,0x00,0x07,0x00,0x00}, // " 34{0x14,0x7f,0x14,0x7f,0x14,0x00}, // # 35{0x24,0x2a,0x7f,0x2a,0x12,0x00}, // $ 36{0x36,0x49,0x55,0x22,0x50,0x00}, // & 38 {0x00,0x05,0x03,0x00,0x00,0x00}, // ' 39 {0x00,0x1c,0x22,0x41,0x00,0x00}, // ( 40 {0x00,0x41,0x22,0x1c,0x00,0x00}, // ) 41 {0x14,0x08,0x3E,0x08,0x14,0x00}, // * 42 {0x08,0x08,0x3E,0x08,0x08,0x00}, // + 43 {0x00,0x00,0x50,0x30,0x00,0x00}, // , 44 {0x10,0x10,0x10,0x10,0x10,0x00}, // - 45 {0x00,0x60,0x60,0x00,0x00,0x00}, // . 46 {0x20,0x10,0x08,0x04,0x02,0x00}, // / 47 {0x3E,0x51,0x49,0x45,0x3E,0x00}, // 0 48 {0x00,0x42,0x7F,0x40,0x00,0x00}, // 1 49 {0x42,0x61,0x51,0x49,0x46,0x00}, // 2 50 {0x21,0x41,0x45,0x4B,0x31,0x00}, // 3 51 {0x18,0x14,0x12,0x7F,0x10,0x00}, // 4 52 {0x27,0x45,0x45,0x45,0x39,0x00}, // 5 53 {0x3C,0x4A,0x49,0x49,0x30,0x00}, // 6 54 {0x01,0x71,0x09,0x05,0x03,0x00}, // 7 55 {0x36,0x49,0x49,0x49,0x36,0x00}, // 8 56 {0x06,0x49,0x49,0x29,0x1E,0x00}, // 9 57 {0x00,0x36,0x36,0x00,0x00,0x00}, // : 58 {0x00,0x56,0x36,0x00,0x00,0x00}, // ; 59 {0x08,0x14,0x22,0x41,0x00,0x00}, // < 60 {0x14,0x14,0x14,0x14,0x14,0x00}, // = 61 {0x00,0x41,0x22,0x14,0x08,0x00}, // > 62 {0x02,0x01,0x51,0x09,0x06,0x00}, // ? 63 {0x32,0x49,0x59,0x51,0x3E,0x00}, // @ 64 {0x7E,0x11,0x11,0x11,0x7E,0x00}, // A 65 {0x7F,0x49,0x49,0x49,0x36,0x00}, // B 66 {0x3E,0x41,0x41,0x41,0x22,0x00}, // C 67 {0x7F,0x41,0x41,0x22,0x1C,0x00}, // D 68 {0x7F,0x49,0x49,0x49,0x41,0x00}, // E 69 {0x7F,0x09,0x09,0x09,0x01,0x00}, // F 70 {0x3E,0x41,0x49,0x49,0x7A,0x00}, // G 71 {0x7F,0x08,0x08,0x08,0x7F,0x00}, // H 72 {0x00,0x41,0x7F,0x41,0x00,0x00}, // I 73 {0x20,0x40,0x41,0x3F,0x01,0x00}, // J 74 {0x7F,0x08,0x14,0x22,0x41,0x00}, // K 75 {0x7F,0x40,0x40,0x40,0x40,0x00}, // L 76 {0x7F,0x02,0x0C,0x02,0x7F,0x00}, // M 77 {0x7F,0x04,0x08,0x10,0x7F,0x00}, // N 78 {0x3E,0x41,0x41,0x41,0x3E,0x00}, // O 79 {0x7F,0x09,0x09,0x09,0x06,0x00}, // P 80{0x7F,0x09,0x19,0x29,0x46,0x00}, // R 82{0x46,0x49,0x49,0x49,0x31,0x00}, // S 83{0x01,0x01,0x7F,0x01,0x01,0x00}, // T 84{0x3F,0x40,0x40,0x40,0x3F,0x00}, // U 85{0x1F,0x20,0x40,0x20,0x1F,0x00}, // V 86{0x3F,0x40,0x38,0x40,0x3F,0x00}, // W 87{0x63,0x14,0x08,0x14,0x63,0x00}, // X 88{0x07,0x08,0x70,0x08,0x07,0x00}, // Y 89{0x61,0x51,0x49,0x45,0x43,0x00}, // Z 90{0x00,0x7F,0x41,0x41,0x00,0x00}, // [ 91{0x55,0x2A,0x55,0x2A,0x55,0x00}, //55 92{0x00,0x41,0x41,0x7F,0x00,0x00}, // ] 93{0x04,0x02,0x01,0x02,0x04,0x00}, // ^ 94{0x40,0x40,0x40,0x40,0x40,0x00}, // _ 95{0x00,0x01,0x02,0x04,0x00,0x00}, // ' 96{0x20,0x54,0x54,0x54,0x78,0x00}, // a 97{0x7F,0x48,0x44,0x44,0x38,0x00}, // b 98{0x38,0x44,0x44,0x44,0x20,0x00}, // c 99{0x38,0x44,0x44,0x48,0x7F,0x00}, // d 100{0x38,0x54,0x54,0x54,0x18,0x00}, // e 101{0x08,0x7E,0x09,0x01,0x02,0x00}, // f 102{0x0C,0x52,0x52,0x52,0x3E,0x00}, // g 103{0x7F,0x08,0x04,0x04,0x78,0x00}, // h 104{0x00,0x44,0x7D,0x40,0x00,0x00}, // i 105{0x20,0x40,0x44,0x3D,0x00,0x00}, // j 106{0x7F,0x10,0x28,0x44,0x00,0x00}, // k 107{0x00,0x41,0x7F,0x40,0x00,0x00}, // l 108{0x7C,0x04,0x18,0x04,0x78,0x00}, // m 109{0x7C,0x08,0x04,0x04,0x78,0x00}, // n 110{0x38,0x44,0x44,0x44,0x38,0x00}, // o 111{0x7C,0x14,0x14,0x14,0x08,0x00}, // p 112{0x08,0x14,0x14,0x18,0x7C,0x00}, // q 113{0x7C,0x08,0x04,0x04,0x08,0x00}, // r 114{0x48,0x54,0x54,0x54,0x20,0x00}, // s 115{0x04,0x3F,0x44,0x40,0x20,0x00}, // t 116{0x3C,0x40,0x40,0x20,0x7C,0x00}, // u 117{0x1C,0x20,0x40,0x20,0x1C,0x00}, // v 118{0x3C,0x40,0x30,0x40,0x3C,0x00}, // w 119{0x44,0x28,0x10,0x28,0x44,0x00}, // x 120{0x0C,0x50,0x50,0x50,0x3C,0x00}, // y 121{0x44,0x64,0x54,0x4C,0x44,0x00}, // z 122{0xD5,0x01,0x80,0x01,0x80,0xAB}, // <50 123 {0xFF,0x81,0x81,0x81,0x81,0xFF}, //50<= <100 124{0xFF,0x81,0xBD,0xBD,0x81,0xFF}, //100<= <150 125{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}, //>=150 126{0x00,0x00,0x00,0x00,0x00,0x00} // sp 127};/*******************显示一幅图****************/uchar dal11[]={//------------------------------------------------------------------------------/*--图像的数据*//*-- 图像宽度*高度=84x48 --*/0xE0,0xFE,0xFE,0xFE,0xFF,0xFF,0xFF,0xE7,0xFB,0xBB,0xBB,0x5B,0xE7,0xFF,0xFF,0xE7,0xFB,0xBB,0xBB,0x5B,0xE7,0xFF,0xFF,0xF7,0xF7,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0x0F,0xF7,0xFB,0xFB,0xF7,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF3,0xFB,0xFB,0x03,0xFB,0xFB,0xF3,0xFF,0xFF,0x3F,0x5F,0x5F,0x5F,0x5F,0x3F,0xFF,0xFF,0x3F,0xDF,0xDF,0xDF,0x9F,0xFF,0xFF,0xFF,0xDF,0xDF,0x07,0xDF,0xDF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0xFE,0xF0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF9,0xF7,0xF7,0xF7,0xF7,0xF8,0xFF,0xFF,0xF9,0xF7,0xF7,0x37,0xF7,0xF8,0xFF,0xFF,0xF7,0xF7,0xF0,0xF7,0xF7,0x7F,0x7F,0x7F,0x7C,0x7B,0x77,0x77,0x7B,0x7C,0x7F,0x7F,0x3F,0x7F,0xFF,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x77,0xB0,0x77,0xFF,0xFF,0x3F,0xFF,0xF8,0xF7,0xF7,0xF7,0xF7,0xFB,0xFF,0xFF,0xF3,0xF6,0xF6,0x36,0xF9,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0xF7,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x81,0xBD,0xBD,0xBD,0xBD,0x00,0xBD,0xBD,0xBD,0xBD,0x80, 0xFD,0xFF,0xFF,0xFF,0x00,0xFF,0xFD,0xED,0xED,0x01,0xED,0xCD,0xAD,0xFD,0xFF,0x00, 0xFF,0xFF,0xFF,0x00,0xDB,0xDB,0x00,0x7F,0x5B,0xDB,0xDA,0x03,0xDA,0xDB,0xDB,0xDB, 0xFF,0xF7,0x76,0xB6,0xC6,0xF6,0x36,0xF7,0xFB,0x7B,0x80,0xFB,0xFB,0x01,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0xFB,0xFA,0xFA,0xFA,0xFA,0xFA,0xFA,0xFA,0xFA,0xFA,0xF0,0xFF,0xDF,0x1D,0xFC,0xFE,0xFE,0xF0,0xFF,0xF7,0xFB,0xFC,0xFF,0xFE,0xFD,0xF3,0xFB,0xFF,0xFE,0xFC,0xFE,0xFE,0xFE,0xF6,0xFA,0xFD,0xFE,0xFF,0xFB, 0xF7,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE3,0xDD,0xBE,0xBE,0xBE,0xDD,0xFF,0xBE,0xBE,0x80,0xBD,0xBE,0xFE,0xFC,0xFF,0xFF,0xCD,0xB6,0xBA,0xBA,0x81,0xBF, 0xFF,0xFF,0x99,0xB6,0xB6,0xB6,0xCC,0xFF,0xFF,0xFF,0x80,0xBD,0xBE,0xBE,0xBE,0xC1, 0xFF,0xFE,0xFC,0xE2,0x1F,0xCF,0xF2,0xFC,0xFE,0xFF,0xE3,0xDD,0xBE,0xBE,0xDD,0xE3, 0xFF,0xFF,0xC1,0xBA,0xBA,0xBA,0xBA,0xD9,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x0F,0x7F,0x7F,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0x7F,0x7F,0x0F,};void xp11()//写图函数{uchar e;uchar t;uchar k1;uint d;d=0;for(t=0;t<6;t++){for(k1=0;k1<84;k1++){setadd(k1,t);e=dal11[d];write_byte(e,1);d=d+1;}}}//主函数实现的功能是循环显示图片和擦除void main(void){/* put your own code here */DisableInterrupts;/******************SetClock*******************/CLKSEL=0X00; //disengage PLL to systemPLLCTL_PLLON=1; //turn on PLLSYNR =0xc0 | 0x07;REFDV=0xc0 | 0x01;POSTDIV=0x00; //pllclock=2*osc*(1+SYNR)/(1+REFDV)=128MHz;_asm(nop); //BUS CLOCK=64M_asm(nop);while(!(CRGFLG_LOCK==1)); //when pll is steady ,then use it;CLKSEL_PLLSEL =1; //engage PLL to system;while(FSTAT_CCIF == 0); //wait if command in progressFCLKDIV = 0x0F; //set prescaler//EnableInterrupts;for(;;){xp11();DelaymS(2000);qp();DelaymS(2000);_FEED_COP(); /* feeds the dog */} /* loop forever *//* please make sure that you never leave main */ }void Initlcd(void){//LCD端口初始化,GPIO输出DDRM_DDRM0=1;DDRM_DDRM1=1;DDRM_DDRM2=1;DDRP_DDRP4=1;DDRP_DDRP7=1;DelaymS(1);res=0;DelaymS(1);res=1;sce=0;DelaymS(1);sce=1;sdin=1;sclk=1;write_byte(0x21,0);//初始化LCD,write_byte(0xcc,0);//设置液晶偏执电压write_byte(0x20,0);//使用基本指令qp();//write_byte(0x0c,0); //设定显示模式,正常显示sce=0;}void write_byte(byte dd,byte a)//{char i;dc=a;for(i=0;i<8;i++){if(dd&mask_table[i]) {sdin=1;} else {sdin=0;}sclk=0;sclk=1;}dc=1;sce=1;sdin=1;}void setadd(byte a,byte d)//{write_byte((a|0x80),0); //Xwrite_byte((d|0x40),0); //Y}void qp(void)//{byte t;byte k;for(t=0;t<6;t++){for(k=0;k<84;k++){setadd(k,t);write_byte(0,1);}}}void DelaymS(word delay){word i, j;for ( i = delay; i != 0; i -- ){for ( j = 7000; j != 0; j -- ) ;for ( j = 6320; j != 0; j -- ) ;} }。