今天捣鼓了一下HT1621显示
代码:
- #include "pin_manager.h"
- void PIN_MANAGER_Initialize(void)
- {
- // LATx registers
- LATA = 0x00;
- LATB = 0x00;
- LATC = 0x00;
- // TRISx registers
- TRISA = 0x3B;
- TRISB = 0xD0;
- TRISC = 0xF3;
- // ANSELx registers
- ANSELC = 0xF3;
- ANSELB = 0xD0;
- ANSELA = 0x33;
- // WPUx registers
- WPUB = 0x00;
- WPUA = 0x00;
- WPUC = 0x00;
- // ODx registers
- ODCONA = 0x04;
- ODCONB = 0x00;
- ODCONC = 0x00;
- // SLRCONx registers
- SLRCONA = 0x37;
- SLRCONB = 0xD0;
- SLRCONC = 0xF3;
- // INLVLx registers
- INLVLA = 0x3F;
- INLVLB = 0xD0;
- INLVLC = 0xF3;
- }
- #include "mcc_generated_files/mcc.h"
- #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
- #define CS_0 PORTBbits.RB5=0
- #define CS_1 PORTBbits.RB5=1
- #define WR_0 PORTCbits.RC2=0
- #define WR_1 PORTCbits.RC2=1
- #define DA_0 PORTCbits.RC3=0
- #define DA_1 PORTCbits.RC3=1
- 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}; //显示缓冲区
- unsigned int i;
- void COMMAND_HT1621(unsigned char comm)
- {
- unsigned char i;
- CS_0;
-
- WR_0;
- for(i=0;i<3;i++) //写命令
- {
- if((0x04<<i)&0x04) DA_1; //100
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<9;i++) //写命令数据
- {
- 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; //片选CS
- WR_0;
- for(i=0;i<3;i++) //写命令
- {
- if((0x05<<i)&0x04) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<6;i++) //写地址
- {
- if((20<<i)&0x20) DA_1; //20对应 SEG地址
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[5]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[4]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[3]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[2]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[1]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[0]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- CS_1; //释放CS
- }
- void LCD_Init(void)
- {
- COMMAND_HT1621(0x01); //SYS EN
- COMMAND_HT1621(0x03); //LCD ON
- COMMAND_HT1621(0x29); //4 COM 1/3 BIAS
- HT1621_Display(); //clear screen
- }
- void main(void)
- {
- SYSTEM_Initialize(); // Initialize the device
- LCD_Init();
- DpyNum[0] = Smg_a|Smg_d|Smg_g; //"三"
- DpyNum[1] = SegCode[1];
- DpyNum[2] = SegCode[3];
- DpyNum[3] = SegCode[5];
- DpyNum[4] = SegCode[7];
- DpyNum[5] = SegCode[9];
- HT1621_Display(); //刷新LCD
- while (1)
- {
- LED0_SetDigitalInput(); // Turn LED OFF
- __delay_ms(1000); // One second delay
- LED0_SetDigitalOutput(); // Turn LED ON
- __delay_ms(1000); // One second delay
-
- }
- }
效果图:
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