控制UC1638图形LCD屏幕(C,带Arduino)
我正在使用Arduino Uno,试图控制LCD屏幕类型UC1638(240x128单色),我想用黑色填充屏幕)。在互联网上搜索时,我最终使用了以下代码(用C编写):控制UC1638图形LCD屏幕(C,带Arduino),c,arduino,lcd,C,Arduino,Lcd,我正在使用Arduino Uno,试图控制LCD屏幕类型UC1638(240x128单色),我想用黑色填充屏幕)。在互联网上搜索时,我最终使用了以下代码(用C编写): /*以下源代码来自LCD制造商,当时他没有 关于Arduino的想法,这是从他给我的AVR代码翻译过来的 -我假设“sbit”只是Arduino GPIO设置,所以我更改了它们 这里是相应的-但我不确定我的设置是否正确 应通过Arduino用于LCD屏幕 */ #包括“stdio.h” #包括“stdlib.h” //sbit R
/*以下源代码来自LCD制造商,当时他没有
关于Arduino的想法,这是从他给我的AVR代码翻译过来的
-我假设“sbit”只是Arduino GPIO设置,所以我更改了它们
这里是相应的-但我不确定我的设置是否正确
应通过Arduino用于LCD屏幕
*/
#包括“stdio.h”
#包括“stdlib.h”
//sbit RST=P3^1;
//sbit CD=P3^0;
//sbit SCK=P1^0//WRB=WR0
//sbit SDA=P1^1//RDB=WR1
//sbit CS=P3^2;
无效写入(无符号字符字节)
{
无符号字符i;
digitalWrite(11,低);//CS=0;
digitalWrite(12,低);//CD=0;
对于(i=0;i引脚SCK
和SDA
是否设置为输出并相应连接?您最好在Arduino堆栈交换上提问;包括原理图的相关部分。是的,我也将问题移到了那里……我将其留到这里作为案例。@Xerix我认为最好还是保留旧问题,而不是问一个关于LWP get问题的新问题。这样,上面的注释就不会错放。引脚SCK
和SDA
是否设置为输出并相应连接?您最好在Arduino堆栈交换上提问;包括原理图的相关部分。是的,我也将问题移到了那里…我不知道这里有一个案例。@Xerix我认为最好还是保留旧问题,而不是问一个关于LWP get问题的新问题。这样,上面的评论就不会错置了。
/* The below source code is from the LCD manufacturer, when he has no
idea about Arduino, this is translated from code he gave me for AVR
- I assume "sbit" is just Arduino GPIO settings, so I changed them
here accordingly - but I am not sure if it is the correct settings I
shall use for the LCD screen via Arduino
*/
#include "stdio.h"
#include "stdlib.h"
//sbit RST = P3^1;
//sbit CD = P3^0;
//sbit SCK = P1^0; //WRB=WR0
//sbit SDA = P1^1; //RDB=WR1
//sbit CS = P3^2;
void writei(unsigned char Cbyte)
{
unsigned char i;
digitalWrite(11, LOW); //CS=0;
digitalWrite(12, LOW); //CD=0;
for(i=0;i<8;i++) {
digitalWrite(SCK, LOW); // SCK=0;
digitalWrite(SDA, Cbyte&0x80?HIGH:LOW); // SDA=Cbyte&0x80?1:0;
digitalWrite(SCK, HIGH); // SCK=1;
Cbyte=Cbyte<<1;
}
digitalWrite(11, HIGH); // CS=1;
}
void writed(unsigned char Dbyte) {
unsigned char i;
digitalWrite(11, LOW); //CS=0;
digitalWrite(12, HIGH); //CD=1;
for(i=0;i<8;i++) {
digitalWrite(SCK, LOW); // SCK=0;
digitalWrite(SDA, Dbyte&0x80?HIGH:LOW); // SDA=Dbyte&0x80?1:0;
digitalWrite(SCK, HIGH); // SCK=1;
Dbyte=Dbyte<<1;
}
digitalWrite(11, HIGH); // CS=1;
}
void DelayMS(unsigned int MS)
{
unsigned char us,usn;
while(MS!=0)
{
usn=2;
while(usn!=0) { us=0xf6; while(us!=0){us--;}; usn--; }
MS--;
}
}
void LCD_INIT(void) {
//writei(0xe3);//system reset
digitalWrite(13, LOW); // RST=0;
DelayMS(10); //1ms
digitalWrite(13, HIGH); // RST=1;
DelayMS(500);//Delay more than 150ms.
writei(0xe1);//system reset
writed(0xe2);
DelayMS(2);
writei(0x04);//set column Address
writed(0x00);//
//writei(0x2f);// internal VLCD
//writei(0x26);// TC
writei(0xEb);//set bias=1/12
writei(0x81);//set vop
writed(90);// pm=106 Set VLCD=15V
writei(0xb8);//屏蔽MTP
writed(0x00);
writei(0xC4);//set lcd mapping control
//writei(0x00); //MY MX 0
writei(0xA3);//set line rate 20klps
writei(0x95); // PT0 1B P P
//writei(90);
writei(0xf1); //set com end
writed(159); //set com end 240*128
writei(0xC2);
writei(0x31); //APC
writed(0X91); // 1/0: sys_LRM_EN disable
writei(0xc9);
writed(0xad); // display
}
void setWindowsProgame() //com36--160 seg51--205
{
writei(0x04); //colum
writed(0x00);
writei(0x60); //page
writei(0x70);
writei(0xf4);
writed(0); //startx
writei(0xf6);
writed(239); //endx
writei(0xf5);
writed(0); //
writei(0xf7);
writed(15); //endy PANGE 16页
writei(0xf9); //窗口功能开
writei(0xC4);//set lcd mapping control
}
void display_black(void)
{
int i,j,k;
setWindowsProgame();
for(i=0;i<240;i++) {
for(j=0;j<18;j++) { writei(0x01); writed(0xff); }
}
}
void display_wirte ()
{
int i,j,k;
setWindowsProgame();
for(i=0;i<240;i++) {
for(j=0;j<18;j++) { writei(0x01); writed(0x00); }
}
}
void display_pic()
{
int i,j,K;
char d;
setWindowsProgame();
i=0;
K=0;
for(i=0;i<240*16;i++) //240*144
{
writei(0x01);
d=0xff; //d=PIC[K++];
writed(d);
}
}
void setup() {
// IO declaration: (GPIO setup)
pinMode(12, OUTPUT); // CD
pinMode(13, OUTPUT); // RST (RW)
pinMode(11, OUTPUT); // CS
pinMode(SCK, OUTPUT);
pinMode(SDA, OUTPUT);
LCD_INIT();
}
void loop(){
display_pic(); // Fill-up the screen in black
}