void LCD_Cmd(unsigned char cmd)
{
LCD_DC(0); // Set to command mode
LCD_CS(0);
SSP0_Write(cmd);
// Wait untill it sends out correctly
SSP0_WaitBusy();
LCD_DC(1);
}
/******************************************************
* 函数：display_chinese
* 作用：显示单个汉字
* 备注：
******************************************************/
void display_chinese(unsigned char row, unsigned char page,unsigned char *c) //row:列 page:页 dd:字符
{
unsigned char i;
set_pos(row*16, page*2); //写数据 第一行起始地址设定，由于每个字符大小是6*12,占用两行
for(i=0; i<16;i++)
LCD_DC(c[i],1);//c代表在zifu数组中的位置
set_pos(row*16, page*2+1);//写数据 第二行起始地址设定
for(i=16; i<32;i++)
LCD_DC(c[i],1);
}
/**************************************************
* 函数：LCD_clear(void)
* 作用：清屏
* 备注：
*************************************************/
void LCD_clear(void)
{
unsigned char t;
unsigned char k;
LCD_DC(0x0c,0);
LCD_DC(0x80,0);//设置首地址
for(t=0;t<6;t++)//行
{
for(k=0;k<84;k++)//列
{
LCD_DC(0x00,1); //写数据 0x00 清空
}
}
}
/******************************************************
* 函数：display_char(uchar x, uchar y,uchar c)
* 作用：显示6x8的英文字符
* 备注：
*******************************************************/
void display_char6x8(uchar x, uchar y,uchar c)
{
uchar line;
c -= 32;
set_pos(x*6,y);
for(line=0;line<6;line++)
{
LCD_DC(font6x8[c][line],1);
}
}
void LCD_Hline(int x0, int x1, int y, int color)
{
int w,j;
w = x1 - x0 + 1;
LCD_Window(x0,y,w,1);
LCD_DC(0);
LCD_CS(0);
SSP0_Write(0x2C); // send pixel
SSP0_WaitBusy();
LCD_DC(1);
SSP0_16(1);
for (j=0; j<w; j++) {
SSP0_Write(color);
}
SSP0_WaitBusy();
SSP0_16(0);
LCD_CS(1);
LCD_WindowMax();
return;
}
void LCD_Vline(int x, int y0, int y1, int color)
{
int h,y;
h = y1 - y0 + 1;
LCD_Window(x,y0,1,h);
LCD_DC(0);
LCD_CS(0);
SSP0_Write(0x2C); // send pixel
SSP0_WaitBusy();
LCD_DC(1);
SSP0_16(1);
// switch to 16 bit Mode 3
for (y=0; y<h; y++) {
SSP0_Write(color);
}
SSP0_WaitBusy();
SSP0_16(0);
LCD_CS(1);
LCD_WindowMax();
return;
}
/****************************************************
* 函数：display_picture(x,y)
* 功能：显示自定义图片
* 备注：
*****************************************************/
void display_picture(uchar x, uchar y, uchar lon,uchar high)
{
uchar i,j;
for(j=0;j<high;j++)
{
set_pos(x,y);
for(i=0;i<lon;i++)
{
LCD_DC(picture[j][i],1);
}
y++;
}
}
/****************************************************
* 函数：LCD_INIT(void)
* 初始化液晶
* 备注：
***************************************************/
void LCD_INIT(void)
{
P6DIR |= BIT1+BIT2+BIT3+BIT4;
P7DIR |= BIT0;
REST_L; //0 使复位
delaylcd(1);
REST_H; //关复位
CE_L;
delaylcd(1);
CE_H;
delaylcd(1);
LCD_DC(0x21,0);//初始化Lcd,功能设定使用扩充指令 0写指令
LCD_DC(0xC8,0);//设定液晶偏置电压 0写指令
LCD_DC(0x06,0);//温度校正 0写指令
LCD_DC(0x13,0);//设置偏置系统(BSx) 1:48,设置为0x10~0x17 0写指令
LCD_DC(0x20,0);//使用基本指令，V=0，水平寻址 0写指令
LCD_clear();
LCD_DC(0x0C,0);//设定显示模式，正常显示 0写指令
CE_L;
delaylcd(200);
}
/**********************************************
* 函数：set_pos(uchar x, uchar y)
* 作用：设置显示初始坐标
* 备注
**********************************************/
void set_pos(uchar x, uchar y)
{
LCD_DC(0x40|y, 0);// column 0100 0000 0写指令 0x40|Y指令集中设置行地址的指令,Y:0~5
LCD_DC(0x80|x, 0);// row 1000 0000 0写指令 0x80|X指令集中设置列地址的指令,X:0~83
}
// LCD Reset Sequence is copied from
// internet sources. There are a number of
// command registers needed to be set, some of
// which I wonder what they are being used for?
void LCD_Reset()
{
//int i;
LCD_CS(1); // cs high
LCD_DC(1); // dc high
LCD_RST(0); // display reset
// wait_us(50);
Delay(1); // Delay 1 ms
LCD_RST(1); // end hardware reset
Delay(5);
LCD_Cmd(0x01); // SW reset
Delay(5);
LCD_Cmd(0x28); // display off
/* Start Initial Sequence */
LCD_Cmd(0xCF);
SSP0_Write(0x00);
SSP0_Write(0x83);
SSP0_Write(0x30);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xED);
SSP0_Write(0x64);
SSP0_Write(0x03);
SSP0_Write(0x12);
SSP0_Write(0x81);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xE8);
SSP0_Write(0x85);
SSP0_Write(0x01);
SSP0_Write(0x79);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xCB);
SSP0_Write(0x39);
SSP0_Write(0x2C);
SSP0_Write(0x00);
SSP0_Write(0x34);
SSP0_Write(0x02);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xF7);
SSP0_Write(0x20);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xEA);
SSP0_Write(0x00);
SSP0_Write(0x00);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC0); // POWER_CONTROL_1
SSP0_Write(0x26);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC1); // POWER_CONTROL_2
SSP0_Write(0x11);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC5); // VCOM_CONTROL_1
SSP0_Write(0x35);
SSP0_Write(0x3E);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC7); // VCOM_CONTROL_2
SSP0_Write(0xBE);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x36); // MEMORY_ACCESS_CONTROL
SSP0_Write(0x48);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
SSP0_Write(0x55); // 16 bit pixel
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xB1); // Frame Rate
SSP0_Write(0x00);
SSP0_Write(0x1B);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xF2); // Gamma Function Disable
SSP0_Write(0x08);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x26);
SSP0_Write(0x01); // gamma set for curve 01/2/04/08
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xE0); // positive gamma correction
SSP0_Write(0x1F);
SSP0_Write(0x1A);
SSP0_Write(0x18);
SSP0_Write(0x0A);
SSP0_Write(0x0F);
SSP0_Write(0x06);
SSP0_Write(0x45);
SSP0_Write(0x87);
SSP0_Write(0x32);
SSP0_Write(0x0A);
SSP0_Write(0x07);
SSP0_Write(0x02);
SSP0_Write(0x07);
SSP0_Write(0x05);
SSP0_Write(0x00);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xE1); // negativ gamma correction
SSP0_Write(0x00);
SSP0_Write(0x25);
SSP0_Write(0x27);
SSP0_Write(0x05);
SSP0_Write(0x10);
SSP0_Write(0x09);
SSP0_Write(0x3A);
SSP0_Write(0x78);
SSP0_Write(0x4D);
SSP0_Write(0x05);
SSP0_Write(0x18);
SSP0_Write(0x0D);
SSP0_Write(0x38);
SSP0_Write(0x3A);
SSP0_Write(0x1F);
SSP0_WaitBusy();
LCD_CS(1);
LCD_WindowMax();
//LCD_Cmd(0x34); // tearing effect off
//LCD_CS(1);
//LCD_Cmd(0x35); // tearing effect on
//LCD_CS(1);
LCD_Cmd(0xB7); // entry mode
SSP0_Write(0x07);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xB6); // display function control
SSP0_Write(0x0A);
SSP0_Write(0x82);
SSP0_Write(0x27);
SSP0_Write(0x00);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x11); // sleep out
SSP0_WaitBusy();
LCD_CS(1);
// wait_ms(100);
Delay(100);
LCD_Cmd(0x29); // display on
SSP0_WaitBusy();
LCD_CS(1);
// wait_ms(100);
Delay(100);
}
