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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