本帖最后由 芯圣电子官方QQ 于 2023-7-25 11:00 编辑
今天搞了一下HT1621段式液晶
DA接P3.6,WR接P3.4,CS接P3.2
代码:
#define ALLOCATE_EXTERN
#include "HC89S105AC8.h"
#define uchar unsigned char
#define uint unsigned int
/** @addtogroup 425_GPIO_led_toggle GPIO_led_toggle
* @{
*/
#define DA_1 P3_6=1
#define DA_0 P3_6=0
#define WR_1 P3_4=1
#define WR_0 P3_4=0
#define CS_1 P3_2=1
#define CS_0 P3_2=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}; //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
}
/***************************************************************************************
* @实现效果 设置各个IO口的工作状态
***************************************************************************************/
void main(void)
{
/********************************系统初始化*******************************************/
WDTCCR = 0x00; //关闭看门狗
//本例程为方便测试关闭看门狗,实际使用中,建议客户打开看门狗,详见WDT复位例程
CLKCON = 0x02; //选择内部高频RC为系统时钟, Fosc=32MHz
CLKDIV = 0x02; //Fosc 2分频得到Fcpu,Fcpu=16MHz
/***********************************设置IO口模式***************************************/
P3M1 = 0xF8; //P32设置为带上拉开漏输出
P3M2 = 0xF8; //P34设置为推挽输出
P3M3 = 0xF8; //P34设置为推挽输出
LCD_Init();
DpyNum[0] = Smg_a|Smg_d|Smg_g; //"三"
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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