分享一个tg12864-26b的单片机驱动程序,老王家的屏 -

#include "lcd.h"
#include "delay.h"
#include "font.h"
void LCD_DATA(u8 i)
{
if((i | 0xfe) == 0xfe) DB0 = 0; else DB0 = 1;
if((i | 0xfd) == 0xfd) DB1 = 0; else DB1 = 1;
if((i | 0xfb) == 0xfb) DB2 = 0; else DB2 = 1;
if((i | 0xf7) == 0xf7) DB3 = 0; else DB3 = 1;
if((i | 0xef) == 0xef) DB4 = 0; else DB4 = 1;
if((i | 0xdf) == 0xdf) DB5 = 0; else DB5 = 1;
if((i | 0xbf) == 0xbf) DB6 = 0; else DB6 = 1;
if((i | 0x7f) == 0x7f) DB7 = 0; else DB7 = 1;
}
void LCD_Init(void)
{
u8 i, j;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11 |GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
delay_us(10);
RST = 0;
delay_us(2);
RST = 1; /*复位*/
LCM_WRITE(com1, base);
LCM_WRITE(com2, base);
LCM_WRITE(com1, on);
LCM_WRITE(com2, on);
for (j = 0; j < 8; j++) /*清屏*/
{
LCM_WRITE(com1, 0xB8+j); /*清左半屏*/
LCM_WRITE(com1, 0x40);
LCM_WRITE(com2, 0xB8+j); /*清左半屏*/
LCM_WRITE(com2, 0x40);
for(i = 0;i < 64; i++)
{
LCM_WRITE(data1, 0x00);
LCM_WRITE(data2, 0x00);
}
}
}
void LCM_WRITE(u8 cord, u8 ch)
{
switch(cord)
{
case 0:
{
delay_us(10);
CS1=0;
RS=0;
RW=0;
E=1;
LCD_DATA(ch);
delay_us(2);
E=0;
delay_us(2);
CS1=1;
}break;
case 1:
{
delay_us(10);
CS2=0;
RS=0;
RW=0;
E=1;
LCD_DATA(ch);
delay_us(2);
E=0;
delay_us(2);
CS2=1;
}break;
case 2:
{
delay_us(10);
CS1=0;
RS=1;
RW=0;
E=1;
LCD_DATA(ch);
delay_us(2);
E=0;
delay_us(2);
CS1=1;
}break;
case 3:
{
delay_us(30);
CS2=0;
RS=1;
RW=0;
E=1;
LCD_DATA(ch);
delay_us(2);
E=0;
delay_us(2);
CS2=1;
}break;
default : break;
}
}
void Clr_Scr(u8 i)
{
u8 j, k;
LCM_WRITE(com1, 0x40);
LCM_WRITE(com2, 0x40);
for(k = 0; k < 8; k++)
{
LCM_WRITE(com1, x_addr(k));
LCM_WRITE(com2, x_addr(k));
for(j = 0; j < 64; j++)
{
LCM_WRITE(data1, i);
LCM_WRITE(data2, i);
}
}
}
void show_hanzi1212(u8 page, u8 colum, u8 c[2])
{
u8 zimo[24];
u8 i, j, k, l;
for(j = 0; j < (sizeof(codeGB_12) / sizeof(typFNT_GB12)); j++) //查找汉字位置
{
if((codeGB_12[j].Index[0] == c[0]) && (codeGB_12[j].Index[1] == c[1]))
{
for(i = 0; i < 24; i++) //读出一个汉字的数据
{
zimo[i] = codeGB_12[j].Msk[i];//将汉字数据存入显示缓存区
}
}
}
for(l = 0; l < 2; l++)
{
for(k = 0; k < 12; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 12 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 12 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 12 + k]);
}
}
}
}
void show_hanzi1616(u8 page, u8 colum, u8 c[2])
{
u8 zimo[32];
u8 i, j, k, l;
for(j = 0; j < (sizeof(codeGB_16) / sizeof(typFNT_GB16)); j++)
{
if((codeGB_16[j].Index[0] == c[0]) && (codeGB_16[j].Index[1] == c[1]))
{
for(i = 0; i < 32; i++)
{
zimo[i] = codeGB_16[j].Msk[i];
}
}
}
for(l = 0; l < 2; l++)
{
for(k = 0; k < 16; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 16 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 16 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 16 + k]);
}
}
}
}
void show_hanzi2424(u8 page, u8 colum, u8 c[2])
{
u8 zimo[72];
u8 i, j, k, l;
for(j = 0; j < (sizeof(codeGB_24) / sizeof(typFNT_GB24)); j++) //查找汉字位置
{
if((codeGB_24[j].Index[0] == c[0]) && (codeGB_24[j].Index[1] == c[1]))
{
for(i = 0; i < 72; i++) //读出一个汉字的数据
{
zimo[i] = codeGB_24[j].Msk[i];//将汉字数据存入显示缓存区
}
}
}
for(l = 0; l < 3; l++)
{
for(k = 0; k < 24; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 24 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 24 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 24 + k]);
}
}
}
}
void display_hanzi(u8 page, u8 colum, u8 *c, u8 size)
{
switch(size)
{
case 12:
while(*c)
{
show_hanzi1212(page,colum,c);
colum += 12;
c += 2;
}
break;
case 16:
while(*c)
{
show_hanzi1616(page,colum,c);
colum += 16;
c += 2;
}
break;
case 24:
while(*c)
{
show_hanzi2424(page,colum,c);
colum += 24;
c += 2;
}
break;
default:break;
}
}
void show_letter_s(u8 page, u8 colum, u8 uletter[1])
{
u8 zimo[12];
u8 i, j, k, l;
for(i = 0; i < (sizeof(codeZF_12) / sizeof(typFNT_ZF12)); i++) //查找数字位置
{
if(codeZF_12[i].Index[0] == uletter[0])
{
for(j = 0; j < 12; j++) //读出一个数字的数据
{
zimo[j] = codeZF_12[i].Msk[j];//将数字数据存入显示缓存区
}
}
}
for(l = 0; l < 2; l++)
{
for(k = 0; k < 6; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 6 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 6 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 6 + k]);
}
}
}
}
void show_letter_m(u8 page, u8 colum, u8 uletter[1])
{
u8 zimo[16];
u8 i, j, k, l;
for(i = 0; i < (sizeof(codeZF_16) / sizeof(typFNT_ZF16)); i++) //查找数字位置
{
if(codeZF_16[i].Index[0] == uletter[0])
{
for(j = 0;j < 16; j++) //读出一个数字的数据
{
zimo[j] = codeZF_16[i].Msk[j];//将数字数据存入显示缓存区
}
}
}
for(l = 0; l < 2; l++)
{
for(k = 0; k < 8; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 8 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 8 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 8 + k]);
}
}
}
}
void show_letter_l(u8 page, u8 colum, u8 uletter[1])
{
u8 zimo[36];
u8 i, j, k, l;
for(i = 0; i < (sizeof(codeZF_24) / sizeof(typFNT_ZF24)); i++) //查找数字位置
{
if(codeZF_24[i].Index[0] == uletter[0])
{
for(j = 0; j < 36; j++) //读出一个数字的数据
{
zimo[j] = codeZF_24[i].Msk[j];//将数字数据存入显示缓存区
}
}
}
for(l = 0; l < 3; l++)
{
for(k = 0; k < 12; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 12 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 12 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 12 + k]);
}
}
}
}
void display_letter(u8 page, u8 colum, u8 *uletter, u8 size)
{
switch(size)
{
case 12:
while(*uletter)
{
show_letter_s(page, colum, uletter);
colum += 6;
uletter++;
}
break;
case 16:
while(*uletter)
{
show_letter_m(page, colum, uletter);
colum += 8;
uletter++;
}
break;
case 24:
while(*uletter)
{
show_letter_l(page, colum, uletter);
colum += 12;
uletter++;
}
break;
default : break;
}
}
void show_bitmap(u8 page, u8 colum, u8 c[1])
{
u8 zimo[32];
u8 i, j, k, l;
for(j = 0; j < (sizeof(weitu) / sizeof(typFNT_ZF16)); j++)
{
if((weitu[j].Index[0] == c[0]))
{
for(i = 0; i < 32; i++)
{
zimo[i] = weitu[j].Msk[i];
}
}
}
for(l = 0; l < 2; l++)
{
for(k = 0; k < 16; k++)
{
if((colum + k) < 64)
{
LCM_WRITE(com1, y_addr(colum + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 16 + k]);
}
else if((colum + k) > 127)
{
LCM_WRITE(com1, y_addr(colum - 127 + k));
LCM_WRITE(com1, x_addr(page + l));
LCM_WRITE(data1, zimo[l * 16 + k]);
}
else
{
LCM_WRITE(com2, y_addr(colum - 64 + k));
LCM_WRITE(com2, x_addr(page + l));
LCM_WRITE(data2, zimo[l * 16 + k]);
}
}
}
}

复制代码