st7070问题

只看该作者 · 2012-7-6 16:04

手里有两个厂家的串行1602模组都是7070，可是初筛化程序却大相径庭，
初始化程序1
void Lcd_Initial(void)
{
CSB = 0;
Delay_1us();
Send_Command(0,0x3C);
Delay_50us();
Send_Command(0,0x41);
Delay_50us();
Send_Command(0,0x38);
Delay_50us();
Send_Command(0,0x0C);
Delay_50us();
Send_Command(0,0x01);
Delay_2ms();
Send_Command(0,0x06);
Delay_50us();
CSB = 1;
Delay_1us();
}

初始化程序2
void lcd_init()
{
RES=0;
delayus(10);
RES=1;
delayus(10);
delayms(60);
WriteCommand(0x38);//8位数，2行显示，外部功能关
  delayms(60);
WriteCommand(0x38);//8位数，2行显示，外部功能关
  delayms(60);
WriteCommand(0x38);//8位数，2行显示，外部功能关
  delayus(60);
WriteCommand(0x0e); //开显示，光标，2行显示
  delayus(60);
WriteCommand(0x01); //清除
  delayus(60);
WriteCommand(0x02); //归零
delayus(60);
WriteCommand(0x14); //光标右移
WriteCommand(0x06); //模式进入
}
这是神魔原因呢？

只看该作者 · 2013-7-26 15:32

我这里也有个初始化，也给你看看。
不过你的中文太差了，什么叫“初筛化程序",应该是”初始化程序“。
void init()
{
RES=1;
delay(50);
RES=0;
delay(1);
RES=1;
delay(50);

delay(200);
kscan();

write_com(0x38); //FUNCTION SET 001,DL,N,DH,IS2,IS1
delay(50);
write_com(0x38); //FUNCTION SET 001,DL,N,DH,IS2,IS1
delay(50);
write_com(0x38); //FUNCTION SET 001,DL,N,DH,IS2,IS1
delay(50);
write_com(0x3c); //FUNCTION SET 001,DL,N,DH,IS2,IS1
delay(50);
write_com(0x42); //COM、SEG direction select
delay(50);
write_com(0x05); //05
delay(50);
write_com(0x38); //FUNCTION SET 001,DL,N,DH,IS2,IS1
delay(50);
write_com(0x06); //ENTRY MODE SET
delay(50);
write_com(0x02); //RETURN HOME
delay(50);
write_com(0x0c); //DISPLAY ON ,00001DCB ,D=1:Display on; 0:off
delay(200);
write_com(0x01); //CLR DISPLAY
delay(50);
}

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