代码:
- #include <hidef.h> /* common defines and macros */
- #include "derivative.h" /* derivative-specific definitions */
- #define LED PORTB
- #define LED_dir DDRB
- #define uchar unsigned char
- #define uint unsigned int
- #define DA_1 PORTB |= 0X10//RS置1
- #define DA_0 PORTB &= 0XEF//RS置0
- #define WR_1 PORTB |= 0X04//RS置1
- #define WR_0 PORTB &= 0XFB//RS置0
- #define CS_1 PORTB |= 0X01//RS置1
- #define CS_0 PORTB &= 0XFE//RS置0
- unsigned char data=0x01;
- #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;
- }
- 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
- }
- /*************************************************************/
- /* 延时函数 */
- /*************************************************************/
- void delay(void)
- {
- unsigned int i,j;
- for(j=0;j<2;j++)
- for(i=0;i<60000;i++)
- ;
- }
- /*************************************************************/
- /* 主函数 */
- /*************************************************************/
- void main(void) {
- //DisableInterrupts;
- // LED_dir=0xff; //设置为输出
- // LED=~data; //点亮LED1
- // EnableInterrupts;
- DDRB=0XFF;
- delay();
- 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();
- for(;;)
- {
-
-
- }
- }
效果图:
附件喘不上来
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