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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