TI中文支持网MSP430的HT1621液晶驱动程序，C源码，IAR开发平台，调试成功。
灰小子：
//—————————————————————————————–// msp430g2553 ht1621_lcd test//—————————————————————————————–#include "msp430g2553.h"#include <stdio.h>
#define uint unsigned int#define uchar unsigned char
#define BIAS 0x52 //0b1000 0101 0010 1/3duty 4com #define SYSDIS 0X00 //0b1000 0000 0000 关振系统荡器和LCD偏压发生器 #define SYSEN 0X02 //0b1000 0000 0010 打开系统振荡器 #define LCDOFF 0X04 //0b1000 0000 0100 关LCD偏压 #define LCDON 0X06 //0b1000 0000 0110 打开LCD偏压 #define XTAL 0x28 //0b1000 0010 1000 外部接时钟 #define RC256 0X30 //0b1000 0011 0000 内部时钟 #define TONEON 0X12 //0b1000 0001 0010 打开声音输出 #define TONEOFF 0X10 //0b1000 0001 0000 关闭声音输出 #define WDTDIS1 0X0A //0b1000 0000 1010 禁止看门狗
////////////////////////////////////////////////////////////////////////////////
void Ht1621_CS_0() { P2OUT &= ~0x20;} // define P2.5 —> CSvoid Ht1621_CS_1() { P2OUT |= 0x20;}
void Ht1621_WR_0() { P2OUT &= ~0x10;} // define P2.4 —> WRvoid Ht1621_WR_1() { P2OUT |= 0x10;}
void Ht1621_DO_0() { P2OUT &= ~0x08;} // define P2.3 —> DATvoid Ht1621_DO_1() { P2OUT |= 0x08;}
////////////////////////////////////////////////////////////////////////////////
//—————————————————————————————–//函数名称：Delay()//功 能：延时子程序//—————————————————————————————–void Delay(uchar us) //5,7,9 { while(–us); }
//—————————————————————————————–//函数名称：Delayms()//—————————————————————————————–void Delayms(uint ims) { uint i,j; for(i=0;i<ims;i++) for(j=0;j<65;j++) { Delay(1); }}
//—————————————————————————————–//函数名称：Ht1621Wr_Data() //—————————————————————————————–void Ht1621Wr_Data(uchar Data,uchar cnt) { uchar i; for (i=0;i<cnt;i++) { Ht1621_WR_0(); if((Data & 0x80)==0x80) { Ht1621_DO_1(); } else { Ht1621_DO_0(); } Ht1621_WR_1(); Data<<=1; } } //—————————————————————————————–//函数名称：void Ht1621WrCmd(uchar Cmd) //—————————————————————————————–void Ht1621WrCmd(uchar Cmd) { Ht1621_CS_0(); //CS Ht1621Wr_Data(0x80,4); //写入命令标志100 Ht1621Wr_Data(Cmd,8); //写入命令数据 Ht1621_CS_1();} //—————————————————————————————–//函数名称：void Ht1621WrOneData(uchar Addr,uchar Data) //—————————————————————————————–void Ht1621WrOneData(uchar Addr,uchar Data) { Ht1621_CS_0(); Ht1621Wr_Data(0xa0,3); //写入数据标志101 Ht1621Wr_Data(Addr<<2,6); //写入地址数据 Ht1621Wr_Data(Data<<4,4); //写入数据 Ht1621_CS_1(); } //—————————————————————————————–//函数名称：void Ht1621WrAllData() //—————————————————————————————–void Ht1621WrAllData(void) { uchar i;
Ht1621_CS_0(); Ht1621Wr_Data(0xa0,3); //写入数据标志101 Ht1621Wr_Data(0x00<<2,6); //写入地址数据 for (i=0;i<16;i++) { Ht1621Wr_Data(0x00,8); } Ht1621_CS_1(); } //—————————————————————————————–//函数名称：void Ht1621_Init(void) //—————————————————————————————–void Ht1621_Init(void) { Ht1621_CS_0(); Ht1621_WR_0(); Ht1621_DO_0(); Delay(100); //延时使LCD工作电压稳定 Ht1621WrCmd(BIAS); Ht1621WrCmd(RC256); //使用内部振荡器 Ht1621WrCmd(SYSDIS); Ht1621WrCmd(WDTDIS1); Ht1621WrCmd(SYSEN); Ht1621WrCmd(LCDON); } //—————————————————————————————–//函数名称：Initial()//功 能：初始化子程序//—————————————————————————————–void Initial(void){ WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer P1DIR = 0xFF; // All P1.x outputs P1OUT = 0; // All P1.x reset P2DIR = 0xFF; // All P2.x outputs P2OUT = 0; // All P2.x reset}void write_num(unsigned char i,unsigned char data){ switch(i) { case 0: { switch(data) { case 0: { Ht1621WrOneData(0,0x0e); Ht1621WrOneData(1,0x0b); }break; case 1: { Ht1621WrOneData(0,0×06); }break; case 2: { Ht1621WrOneData(0,0x0c); Ht1621WrOneData(1,0×07); }break; case 3: { Ht1621WrOneData(0,0x0e); Ht1621WrOneData(1,0×05); }break; case 4: { Ht1621WrOneData(0,0×06); Ht1621WrOneData(1,0x0c); }break; case 5: { Ht1621WrOneData(0,0x0a); Ht1621WrOneData(1,0x0d); }break; case 6: { Ht1621WrOneData(0,0x0a); Ht1621WrOneData(1,0x0f); }break; case 7: { Ht1621WrOneData(0,0x0e); }break; case 8: { Ht1621WrOneData(0,0x0e); Ht1621WrOneData(1,0x0f); }break; case 9: { Ht1621WrOneData(0,0x0e); Ht1621WrOneData(1,0x0d); }break; case 10: { Ht1621WrOneData(0,0×01); } defualt:break; } }break; case 1: break; }}
void write_du_shudian(unsigned char j,unsigned char data){ switch(data) { case 0x01: { switch(j) { case 0: { Ht1621WrOneData(0,0×01); }break; case 2: { Ht1621WrOneData(2,0×02); }break; case 4: { Ht1621WrOneData(4,0×01); }break; case 6: { Ht1621WrOneData(6,0×01); }break; case 8: { Ht1621WrOneData(0,0×01); }break; case 10: { Ht1621WrOneData(10,0×01); } defualt:break; } }break; }}
void clear(){ Ht1621_Init(); Delay(100); Ht1621WrAllData(); }//—————————————————————————————–//函数名称：main()//—————————————————————————————–void main(void){ // uchar i,j,t;
Initial(); //初始化子程序 Ht1621_Init(); //上电初始化LCD Delay(100); //延时一段时间 Ht1621WrAllData(); while(1) { Ht1621WrOneData(10,0×01);// write_num(0,0);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,1);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,2);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,3);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,4);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,5);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,6);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,7);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,8);// Delayms(1000);// Ht1621_Init(); //上电初始化LCD // Delay(100); //延时一段时间 // Ht1621WrAllData(); // write_num(0,9);// Delayms(1000); // Ht1621WrOneData(0,0×02);// Ht1621WrOneData(0,0×04);// Ht1621WrOneData(0,0×08);// Ht1621WrOneData(1,0×01);// Ht1621WrOneData(1,0×02);// Ht1621WrOneData(1,0×04);// Ht1621WrOneData(1,0×08);//// // Ht1621WrOneData(2,0×01);// Ht1621WrOneData(3,0×01); // while(1);// for(i=0;i<16;i++) //SEG0-SEG31// { // t=0x01; // for(j=0;j<4;j++) //COM0 – COM3// { // Ht1621WrOneData(i,t); // t<<=1; // t++; // Delayms(10);// } // } } }
Susan Yang：
谢谢分享！
