MSP430的HT1621液晶驱动程序，C源码，IAR开发平台，调试成功。
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//-----------------------------------------------------------------------------------------
// 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 ---> CS
void Ht1621_CS_1() { P2OUT |= 0x20;}
void Ht1621_WR_0() { P2OUT &= ~0x10;} // define P2.4 ---> WR
void Ht1621_WR_1() { P2OUT |= 0x10;}
void Ht1621_DO_0() { P2OUT &= ~0x08;} // define P2.3 ---> DAT
void 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(0,0x06);
}break;
case 2:
{
Ht1621WrOneData(0,0x0c);
Ht1621WrOneData(1,0x07);
}break;
case 3:
{
Ht1621WrOneData(0,0x0e);
Ht1621WrOneData(1,0x05);
}break;
case 4:
{
Ht1621WrOneData(0,0x06);
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(0,0x01);
}
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(0,0x01);
}break;
case 2:
{
Ht1621WrOneData(2,0x02);
}break;
case 4:
{
Ht1621WrOneData(4,0x01);
}break;
case 6:
{
Ht1621WrOneData(6,0x01);
}break;
case 8:
{
Ht1621WrOneData(0,0x01);
}break;
case 10:
{
Ht1621WrOneData(10,0x01);
} 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(10,0x01);
// 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(0,0x02);
// Ht1621WrOneData(0,0x04);
// Ht1621WrOneData(0,0x08);
// Ht1621WrOneData(1,0x01);
// Ht1621WrOneData(1,0x02);
// Ht1621WrOneData(1,0x04);
// Ht1621WrOneData(1,0x08);
//
//
// Ht1621WrOneData(2,0x01);
// Ht1621WrOneData(3,0x01);
// 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);
// }
// }
}
}
