代码:
/********************************************************************
//DM430-A型开发板控制8个发光二极管闪烁程序
//发光二极管分别接入P2口,每500ms状态转换一次
//调试环境:EW430 V5.30
//作者:阿迪 www.avrgcc.com
//时间:2011.09.19
********************************************************************/
#include <msp430x14x.h>
#include "Config.h" //开发板配置头文件,主要配置IO端口及时钟看门狗函数
#define uchar unsigned char
#define uint unsigned int
#define DA_1 P2OUT |= BIT0 //RS置1
#define DA_0 P2OUT &= ~BIT0 //RS置0
#define WR_1 P2OUT |= BIT1 //RS置1
#define WR_0 P2OUT &= ~BIT1 //RS置0
#define CS_1 P2OUT |= BIT2 //RS置1
#define CS_0 P2OUT &= ~BIT2 //RS置0
#define Smg_a 0x80
#define Smg_b 0x40
#define Smg_c 0x20
#define Smg_d 0x01
#define Smg_e 0x02
#define Smg_f 0x08
#define Smg_g 0x04
#define Smg_dp 0x10
#define Bmp0Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_e | Smg_f
#define Bmp1Map Smg_b | Smg_c
#define Bmp2Map Smg_a | Smg_b | Smg_d | Smg_e | Smg_g
#define Bmp3Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_g
#define Bmp4Map Smg_b | Smg_c | Smg_f | Smg_g
#define Bmp5Map Smg_a | Smg_c | Smg_d | Smg_f | Smg_g
#define Bmp6Map Smg_a | Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
#define Bmp8Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
#define Bmp9Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_f | Smg_g
#define Bmp7Map Smg_a | Smg_b | Smg_c
#define BmpAMap Smg_a | Smg_b | Smg_c | Smg_e | Smg_f | Smg_g
#define BmpBMap Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
#define BmpCMap Smg_a | Smg_d | Smg_e | Smg_f
#define BmpDMap Smg_b | Smg_c | Smg_d | Smg_e | Smg_g
#define BmpEMap Smg_a | Smg_d | Smg_e | Smg_f | Smg_g
#define BmpFMap Smg_a | Smg_e | Smg_f | Smg_g
const unsigned char SegCode[] = {Bmp0Map,Bmp1Map,Bmp2Map,Bmp3Map,Bmp4Map,Bmp5Map,Bmp6Map,Bmp7Map,Bmp8Map,Bmp9Map,BmpAMap,BmpBMap,BmpCMap,BmpDMap,BmpEMap,BmpFMap};
unsigned char DpyNum[6] = {Smg_g,Smg_g,Smg_g,Smg_g,Smg_g,Smg_g}; //?????
unsigned int i;
void COMMAND_HT1621(unsigned char comm)
{
//unsigned char i;
CS_0;
WR_0;
for(i=0;i<3;i++)//???
{
if((0x04<<i)&0x04)
DA_1; //100
else
DA_0;
WR_0;
WR_1;
}
for(i=0;i<9;i++)//?????
{
if((comm<<i)&0x80) DA_1; //100
else DA_0;
WR_0;
WR_1;
}
CS_1;
}
void HT1621_Display(void)
{
//unsigned char i;
CS_0;//??CS
WR_0;
for(i=0;i<3;i++) //???
{
if((0x05<<i)&0x04) DA_1;
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<6;i++) //???
{
if((20<<i)&0x20) DA_1;//20?? SEG??
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //???
{
if((DpyNum[5]<<i)&0x80)
DA_1;
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //???
{
if((DpyNum[4]<<i)&0x80)DA_1;
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //???
{
if((DpyNum[3]<<i)&0x80) DA_1;
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //???
{
if((DpyNum[2]<<i)&0x80)DA_1;
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //???
{
if((DpyNum[1]<<i)&0x80)DA_1;
else DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //???
{
if((DpyNum[0]<<i)&0x80) DA_1;
else DA_0;
WR_0;
WR_1;
}
CS_1;//??CS
}
void LCD_Init(void)
{
COMMAND_HT1621(0x01);//SYS EN
COMMAND_HT1621(0x03);//LCD ON
COMMAND_HT1621(0x29);//4 COM牋1/3 BIAS
HT1621_Display(); //clear screen
}
//***********************************************************************
// MSP430IO口初始化
//***********************************************************************
void Port_Init()
{
LED8SEL = 0x00; //设置IO口为普通I/O模式
LED8DIR = 0xFF; //设置IO口方向为输出
LED8PORT = 0xFF; //P2口初始设置为FF
}
//***********************************************************************
// 主程序
//***********************************************************************
void main(void)
{
WDT_Init(); //看门狗初始化
Clock_Init(); //时钟初始化
Port_Init(); //端口初始化,用于控制IO口输入或输出
Close_LED(); //关闭数码管
LCD_Init();
DpyNum[0] = Smg_a|Smg_d|Smg_g;//"?"
DpyNum[1] = SegCode[2];
DpyNum[2] = SegCode[4];
DpyNum[3] = SegCode[6];
DpyNum[4] = SegCode[8];
DpyNum[5] = SegCode[0];
HT1621_Display();
while(1)
{
}
}
效果图;
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