📄 lcddrv.c
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#include "config.h"
#include "RD_LPC2100.h"
#include <stdarg.h>
#include <stdio.h>
#include "ASCII.h"
#include "LCDDRV.h"
#include "bmp1.h"
uchar gCurRow,gCurCol; // 当前行、列存储，行高16点，列宽8点
uchar const *MenuIndex[5]={Bmp001,Bmp002,Bmp003,Bmp004};
const uchar uPowArr[] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
uchar FBpos[] = {6,54,102,150,198};
uchar gCurLayer = 1;
tagCursor gCursor[2] = {
0,0,1,
0,0,1
};
typedef struct typFNT_GB16 // 汉字字模显示数据结构
{
uchar Index[2];
uchar Msk[32];
};
const struct typFNT_GB16 GB_16[] = { // 显示为16*16
"中",0x01,0x00,0x01,0x00,0x21,0x08,0x3F,0xFC,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x08,0x3F,0xF8,0x21,0x08,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,
"文",0x02,0x00,0x01,0x00,0x01,0x00,0xFF,0xFE,0x08,0x20,0x08,0x20,0x08,0x20,0x04,0x40,0x04,0x40,0x02,0x80,0x01,0x00,0x02,0x80,0x04,0x60,0x18,0x1E,0xE0,0x08,0x00,0x00,
"测",0x40,0x02,0x27,0xC2,0x24,0x42,0x84,0x52,0x45,0x52,0x55,0x52,0x15,0x52,0x25,0x52,0x25,0x52,0x25,0x52,0xC5,0x52,0x41,0x02,0x42,0x82,0x42,0x42,0x44,0x4A,0x48,0x04,
"试",0x00,0x20,0x40,0x28,0x20,0x24,0x30,0x24,0x27,0xFE,0x00,0x20,0xE0,0x20,0x27,0xE0,0x21,0x20,0x21,0x10,0x21,0x10,0x21,0x0A,0x29,0xCA,0x36,0x06,0x20,0x02,0x00,0x00,
};
uchar fnGetRow(void)
{
return gCurRow;
}
uchar fnGetCol(void)
{
return gCurCol;
}
/*-----------------------------------------------------------------------
delay_us :1us延时函数
void delay_us(void)
{
unsigned char t=2;
t--;
}
-----------------------------------------------------------------------*/
void delay_us(unsigned int time)
{
do
{
time--;
}
while (time>1);
}
/*-----------------------------------------------------------------------
delay_nus :长延时函数
输入参数: t :延时时间 us
void delay_nus(unsigned int t)
{
while (t--)
delay_us();
}
-----------------------------------------------------------------------*/
/*-----------------------------------------------------------------------
delay_ms :1ms延时函数
void delay_ms(void)
{
delay_nus(1000);
}
-----------------------------------------------------------------------*/
/* 毫秒级延时函数 */
void delay_ms(unsigned int time)
{
while(time!=0)
{
delay_us(500);
time--;
}
}
/*-----------------------------------------------------------------------
delay_nms :长延时函数
输入参数: t :延时时间 ms
-----------------------------------------------------------------------*/
void delay_nms(unsigned int t)
{
while (t--)
delay_ms(t);
}
/**********************************************************
Name: unsigned char LCDCheckBusy(void) *
Description: write a Cmd byte to LCD *
Input: none *
Output: 0 busy none-0 idle *
Misc: *
**********************************************************/
unsigned char LCDCheckBusy(void)
{
unsigned char status,i;
return 1;
for(i=10;i>0;i--)
{
ReadStatus;
status = LCMCW;
ReadOK;
if((status & 0x40) == 0x00) //D6 1 busy 0 idle
break;
}
return i; // 若返回零，说明错误
}
/**********************************************************
Name: void LCDWriteCmd(unsigned char byte) *
Description: write a Cmd byte to LCD *
Input: Command (Byte) *
Output: none *
Misc: *
**********************************************************/
void LCDWriteCmd(unsigned char byte)
{
WriteCmd;
LCMCW = byte;
WriteOK;
}
/*************************************************************
Name: void LCDWriteData(unsigned char byte) *
Description: write a data byte to LCD *
Input: unsigned char byte -> data to write on the LCD*
Output: none *
Misc: *
*************************************************************/
void LCDWriteData(unsigned char byte)
{
if (LCDCheckBusy()!=0)
{
WriteData;
LCMDW = byte;
WriteOK;
}
}
/***********************************************************
Name: unsigned char LCDReadData(void) *
Description: read a data byte from LCD *
Input: none *
Output: unsigned char byte -> Data read from the LCD*
Misc: *
***********************************************************/
unsigned char LCDReadData(void)
{
unsigned char byte =0;
if (LCDCheckBusy()!=0)
{
ReadData;
byte = LCMDW;
ReadOK;
}
return byte;
}
/***********************************************************
Name: unsigned char LCDReadStatus(void) *
Description: read a data byte from LCD *
Input: none *
Output: unsigned char byte -> Data read from the LCD*
Misc: *
***********************************************************/
unsigned char LCDReadStatus(void)
{
unsigned char byte;
ReadStatus;
byte = LCMDW;
ReadOK;
return byte;
}
/**********************************************************
Name: void ClrSCR(void) *
Description: Clear Screen layer *
Input: 1--Clear Text Screen layer 1 *
2--Clear Graphic Screen layer 2 *
Output: none *
Misc: *
**********************************************************/
void ClrSCR(char Layer)
{
unsigned int i,EndPosition;
unsigned char data,Position_H = 0;
if(Layer == 1)
{
Position_H = 0x00;
EndPosition = 9600;
}
else if (Layer == 2)
{
Position_H = 0x26;
EndPosition = 9600;
}
LCDWriteCmd(LC_CSRW); // CURSOR WRITE COMMAND
LCDWriteData(0x00); // Cursor position low byte
LCDWriteData(Position_H); // Cursor position high byte
LCDWriteCmd(LC_MWRITE); // LCD WRITE MEMORY
//DATAOUT = 0x00;
//A0_L; // A0 -> 0
CDL;
if (Layer == 1)
{
//LCMDW = 0x20;
LCMDW = 0x00;
//data = 0;
}
else
{
LCMDW = 0x00;
//data = 0;
}
for (i=0;i<EndPosition;i++)
{
/*LCDWriteData(data);*/
//WR_L; // WR -> 0
WRL;
CDL;
//WDR();
//WR_H;
WRH;
CDL;
}
LCDWriteCmd(LC_CSRW); // CURSOR WRITE COMMAND
LCDWriteData(0x00); // Cursor position low byte
LCDWriteData(Position_H); // Cursor position high byte
}
/**********************************************************
Name: void LCD_Init(void) *
Description: Initialize a graphic of X & Y *
Input: #define GUI_LCM_XMAX ... *
#define GUI_LCM_YMAX ... *
Output: none *
Misc: *
**********************************************************/
void LCD_Init(void)
{
unsigned int i,j;
unsigned char k[16],m;
/*
//LCD Data Bus
DATAOUT = 0x00;
DATABUS = 0xff; // PB0-7 as output
LCD_CS_DDR |= LCD_CS_BIT;
CS_L;
//LCD control Bus
LCD_RES_DDR |= LCD_RES_BIT;
LCD_RD_DDR |= LCD_RD_BIT;
LCD_WR_DDR |= LCD_WR_BIT;
*/
//test
WRL;
WRH;
RDL;
RDH;
CEL;
CEH;
CDL;
CDH;
RESETL;
RESETH;
SetWrite;
LCMDW = 0x69;
LCMDW = 0xa3;
CEL;
//WR_H; // WR -> 1
WRH;
//RD_H; // RD -> 1
RDH;
//LCD_A0_DDR |= LCD_A0_BIT;
//RES_H;
RESETH;
DIR245H;
//delay_nms(2);
//RES_L;
RESETL; // Reset LCD
/*delay_nms(2);
delay_nms(2);
delay_nms(2);
delay_nms(2);
delay_nms(2);
delay_nms(2);*/
//RES_H;
RESETH;
/*for (i=0;i<10;i++)
{
delay_nms(2);
}*/
/*------SYSTEM SET COMMAND------*/
LCDWriteCmd(LC_SYSTEM_SET); // SYSTEM SET COMMAND
LCDWriteData(0x30); // P1 -> PRT=0, IV=1, W/S=0, M0-M2=0
LCDWriteData(0x87); // FX -> WF=1, FX=7
LCDWriteData(0x07); // FY -> FY=7
LCDWriteData((GUI_LCM_XMAX/8)-1); // C/R -> Char per line - 1
LCDWriteData((XTAL / 70 / GUI_LCM_YMAX) / 9); // TC/R -> ( f_osc / f_frame / [L/F] - 1 ) / 9
//LCDWriteData((GUI_LCM_XMAX/8)+3); // TC/R -> ( f_osc / f_frame / [L/F] - 1 ) / 9
LCDWriteData(GUI_LCM_YMAX); // L/F -> Line per graphic screen - 1 (127)
LCDWriteData(GUI_LCM_XMAX/8); // APL -> Virtual screen low byte ( char per line)
LCDWriteData(0x00); // APH -> Virtual screen low byte
/*--------SCROLL COMMAND--------*/
LCDWriteCmd(LC_SCROLL); // SCROLL COMMAND
LCDWriteData(0x00); // First Layer Low Byte (0x0000)
LCDWriteData(0x00); // First Layer Hign Byte
LCDWriteData(GUI_LCM_YMAX); // 128 Line of scroll
LCDWriteData(0x00); // Second Layer Low Byte (0x1000)
LCDWriteData(0x26); // Second Layer Hign Byte
LCDWriteData(GUI_LCM_YMAX); // 128 Line of scroll
LCDWriteData(0x00); // Second Layer Low Byte (0x1000)
LCDWriteData(0x4c); // Second Layer Low Byte (0x1000)
LCDWriteData(0x00); // Second Layer Low Byte (0x1000)
LCDWriteData(0x72); // Second Layer Low Byte (0x1000)
/*--HORIZONTAL SCROLL POSITION--*/
LCDWriteCmd(LC_HDOT_SCR); // HORIZONTAL SCROLL POSITION
LCDWriteData(0x00); // no scrool offset
/*-------OVERLAY COMMAND--------*/
LCDWriteCmd(LC_OVLAY); // OVERLAY COMMAND
//LCDWriteData(0x03); // 2 layer (1-Text 2-Graphic)
//LCDWriteData(0x0d); // 2 layer (1-Text 2-Graphic)
//LCDWriteData(0x0b);
LCDWriteData(0x04);
delay_ms(100);
LCDWriteCmd(LC_CSRFORM); // CURSOR FORMAT COMMAND
LCDWriteData(0x05); // Cursor width (7)
LCDWriteData(0x86); // Cursor Height(7) & Block type
LCDWriteCmd(LC_CSRDIR1);
LCDWriteCmd(LC_CSRW);
LCDWriteData(0x00);
LCDWriteData(0x00);
LCDWriteCmd(LC_DISP_ON);
//LCDWriteData(0x16);
LCDWriteData(0x06);
LCDWriteCmd(LC_CSRR);
k[14] = LCDReadData();
k[15] = LCDReadData();
i=9600;
m=0x20;
LCDWriteCmd(LC_MWRITE);
while(i--) {
//k[i] = 0;
//LCDWriteData((i&0xff));
LCDWriteData(0xfa);
m++;
if (m==0xdf)
{
m=0x20;
}
else if (m==0x80)
{
m=0xa0;
}
}
LCDWriteCmd(LC_CSRW);
LCDWriteData(0x00);
LCDWriteData(0x26);
LCDWriteCmd(LC_CSRR);
k[14] = LCDReadData();
k[15] = LCDReadData();
i=9600;
LCDWriteCmd(LC_MWRITE);
while(i--) {
//k[i] = 0;
LCDWriteData(0xff);
}
LCDWriteCmd(LC_CSRW);
LCDWriteData(0x00);
LCDWriteData(0x4c);
LCDWriteCmd(LC_CSRR);
k[14] = LCDReadData();
k[15] = LCDReadData();
i=9600;
LCDWriteCmd(LC_MWRITE);
while(i--) {
//k[i] = 0;
LCDWriteData(0xc2);
}
LCDWriteCmd(LC_CSRR);
k[14] = LCDReadData();
k[15] = LCDReadData();
LCDWriteCmd(LC_CSRW);
LCDWriteData(0x00);
LCDWriteData(0x26);
i=9600;
LCDWriteCmd(LC_MREAD);
while(i--) {
k[0] = LCDReadData();
}
LCDWriteCmd(LC_CSRR);
k[12] = LCDReadData();
k[13] = LCDReadData();
LCDWriteCmd(LC_CSRW);
LCDWriteData(0x00);
LCDWriteData(0x00);
/*----DISPLAY ON/OFF COMMAND
LCDWriteCmd(LC_DISP_ON); // DISPLAY OFF COMMAND
//LCDWriteData(0x14); // Layer 1 & 2 ON
LCDWriteData(0x15); // Layer 1 & 2 ON
ClrSCR(1);
ClrSCR(2);
----*/
/*-----CURSOR FORMAT COMMAND
LCDWriteCmd(LC_CSRFORM); // CURSOR FORMAT COMMAND
LCDWriteData(0x05); // Cursor width (7)
LCDWriteData(0x86); // Cursor Height(7) & Block type
----*/
/*---CURSOR DIRECTION COMMAND
LCDWriteCmd(LC_CSRDIR1); // CURSOR DIRECTION COMMAND (SHIFT RIGHT)
---*/
/*-----CURSOR WRITE COMMAND
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