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MSP430 HT1621液晶驱动程序
2019-07-19 13:26
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TI MCU
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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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1条回答
dirtwillfly
2019-07-19 16:45
//-----------------------------------------------------------------------------------------
// 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);
// }
// }
}
}
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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);
- // }
- // }
- }
- }
-
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