資源簡介
ht1621驅動,stm32方式實現,能直接用,望采納。。。。。
代碼片段和文件信息
#include?“lcd_display.h“
void?Delay(uint8_t?i)
{
while(--i);
}
/*write?mode?func*/
void??write_mode(uint8_t?mode)
{
WR_L;
Delay(200);
DATA_H;
Delay(200);
WR_H;
WR_L;
Delay(200);
DATA_L;
Delay(200);
WR_H;
WR_L;
Delay(200);
if(0?==?mode)
{
DATA_L;
}
else
{
DATA_H;
}
Delay(200);
WR_H;
}
/*write?addr?func*/
void?write_add(uint8_t?addr)
{
uint8_t?i=0;
//addr?=?addr<<2;
for(i=0;i<6;i++)
{
WR_L;
Delay(200);
if((addr<<(5-i))&0x01)
{
DATA_H;
}
else
{
DATA_L;
}
Delay(200);
WR_H;
Delay(200);
}
}
/*write?data?func*/
void?write_data_4bit(uint8_t?data)
{
uint8_t?i=0;
for(i=0;i<4;i++)
{
WR_L;
Delay(200);
if((data>>i)&0x01)
{
DATA_H;
}
else
{
DATA_L;
}
Delay(200);
WR_H;
Delay(200);
}
}
/*write?data?func*/
void?write_data_8bit(uint8_t?data)
{
uint8_t?i=0;
for(i=0;i<8;i++)
{
WR_L;
Delay(200);
if((data>>i)&0x01)
{
DATA_H;
}
else
{
DATA_L;
}
Delay(200);
WR_H;
Delay(200);
}
}
/*write?command?function*/
void?write_command(uint8_t?command)
{
uint8_t?i?=?0;
for(i=0;i<8;i++)
{
WR_L;
Delay(200);
if((command?>>?(7-i))&0x01)
{
DATA_H;
}
else
{
DATA_L;
}
Delay(200);
WR_H;
Delay(200);
}
}
void?write_1621(unsigned?char?addrunsigned?char?dat)
{
CS_L;
write_mode(DATA);
write_add(?addr);
write_data_4bit(?dat);
CS_H;
}
void?clearpanel()//清屏函數
{
unsigned?char?i;
for(i=0;i<32;i++)
{
write_1621(i0x00);
}
}
void?ht1621_init()
{
WR_H;
DATA_H;
CS_H;
Delay(200);
CS_L;
Delay(200);
write_mode(COMMAND);????//命令模式
write_command(0x01); //Enable?System
write_command(0x03); //Enable?Bias
write_command(0x04); //Disable?Timer
write_command(0x05); //Disable?WDT
write_command(0x08); //Tone?OFF
write_command(0x18); //on-chip?RC震蕩
write_command(0x29); //1/4Duty?1/3Bias
write_command(0x80); //Disable?IRQ
write_command(0x40); //Tone?Frequency?4kHZ
write_command(0xE3); //Normal?Mode
CS_H;
}
void?lcd_all(void)
{
write_addr_dat_n(0x0?0xFF?15);
}
void?write_addr_dat_n(unsigned?char?_addr?unsigned?char?_dat?unsigned?char?n)
{
unsigned?char?i?=?0;
CS_L; //?CS?=?0;
write_mode(DATA);
write_add(_addr);
for?(i?=?0;?i? {
write_data_8bit(_dat);
}
CS_H; //CS?=?1;
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-10-14?08:50??ht1621\
?????文件????????2560??2018-10-11?11:24??ht1621\lcd_display.c
?????文件????????1906??2018-10-11?11:23??ht1621\lcd_display.h
評論
共有 條評論