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stm32 ucgui无触屏移植

2014-09-28 22:01 337 查看

平台：李想stm32开发板

利用开发板工程：STM32 理想智芯科技（库函数）

我的驱动函数文件：ILI93xx.c ILI93xx.h ILI9320.h

ucgui文件：需要添加代码的文件LCDConf.h GUICOnf.h LCDDummy.c

/************************************************************************************************************

/ ILI93xx.c该文件为液晶驱动初始化函数，画点函数，读点函数

/ ILI93xx.h为ILI93xx.c的函数申明

/ lcd9320.h为为液晶的IO接口、液晶寄存器的宏定义

************************************************************************************************************/

//ILI93xx.c

#include "lcd9320.h"

#include "delay.h"

#include "stm32f10x.h"

#include "ILI93xx.h"

u16 POINT_COLOR = 0x0000,BACK_COLOR = 0xFFFF;

u16 DeviceCode;

/*

LCD_WR_DATA(data)该函数在LCD9320.h中用宏定义

*/

void LCD_WR_REG(u16 data)

{

GPIO_ResetBits(GPIOD,GPIO_Pin_14);//写地址

GPIO_ResetBits(GPIOD,GPIO_Pin_12);
GPIO_Write(GPIOE, data);
GPIO_ResetBits(GPIOD,GPIO_Pin_13);
GPIO_SetBits(GPIOD,GPIO_Pin_13);

GPIO_SetBits(GPIOD,GPIO_Pin_12);

}

//读LCD数据

//返回值:读到的值

u16 LCD_RD_DATA(void)

{
u16 t;

GPIOE->CRL=0X88888888; //PB0-7 上拉输入
GPIOE->CRH=0X88888888; //PB8-15 上拉输入
GPIOE->ODR=0X0000; //全部输出0

LCD_RS_SET;
LCD_CS_CLR;
//读取数据(读寄存器时,并不需要读2次)
LCD_RD_CLR;
if(DeviceCode==0X8989)delay_us(2);//FOR 8989,延时2us
LCD_RD_SET;
t=DATAIN;
LCD_CS_SET;

GPIOE->CRL=0X33333333; //PB0-7 上拉输出
GPIOE->CRH=0X33333333; //PB8-15 上拉输出
GPIOE->ODR=0XFFFF; //全部输出高
return t;

}

//写寄存器

void LCD_WriteReg(u8 LCD_Reg, u16 LCD_RegValue)

{
LCD_WR_REG(LCD_Reg);
LCD_WR_DATA(LCD_RegValue);

}

//读寄存器

u16 LCD_ReadReg(u8 LCD_Reg)

{
u16 t;
GPIO_InitTypeDef GPIO_InitStructure;
LCD_WR_REG(LCD_Reg); //写入要读的寄存器号



GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All ;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU ;

GPIO_Init(GPIOE, &GPIO_InitStructure);

GPIO_SetBits(GPIOD,GPIO_Pin_14);
GPIO_ResetBits(GPIOD,GPIO_Pin_12);
//读取数据(读寄存器时,并不需要读2次)
GPIO_ResetBits(GPIOD,GPIO_Pin_15);
delay_us(5);//FOR 8989,延时5us
GPIO_SetBits(GPIOD,GPIO_Pin_15);
t=GPIO_ReadInputData(GPIOE);
GPIO_SetBits(GPIOD,GPIO_Pin_12);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All ;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_InitStructure.GPIO_Mode =GPIO_Mode_Out_PP ;

GPIO_Init(GPIOE, &GPIO_InitStructure);
return t;

}

//开始写GRAM

void LCD_WriteRAM_Prepare(void)

{
if(DeviceCode==0X9341)LCD_WR_REG(0x2C);//ILI9341是以0X2C开始的
else LCD_WR_REG(R34);

}

//LCD写GRAM

void LCD_WriteRAM(u16 RGB_Code)

{
LCD_WR_DATA(RGB_Code);//写十六位GRAM

}

//从ILI93xx读出的数据为GBR格式，而我们写入的时候为RGB格式。

//通过该函数转换

//c:GBR格式的颜色值

//返回值：RGB格式的颜色值

u16 LCD_BGR2RGB(u16 c)

{

u16 r,g,b,rgb;

b=(c>>0)&0x1f;

g=(c>>5)&0x3f;

r=(c>>11)&0x1f;

rgb=(b<<11)+(g<<5)+(r<<0);

return(rgb);

}

//画点

//x:0~239

//y:0~319

//POINT_COLOR:此点的颜色

void LCD_DrawPoint(u16 x,u16 y)

{

LCD_WriteReg(0x004e,x); //设置x坐标位置

LCD_WriteReg(0x004f,y); //设置y坐标位置

LCD_WR_REG(0x22); //LCD_WriteCMD(GRAMWR);写入GRAM的命令，将此函数中上述

LCD_WR_DATA(POINT_COLOR);

}

//读取个某点的颜色值

//x:0~239

//y:0~319

//返回值:此点的颜色

u16 LCD_ReadPoint(u16 x,u16 y)

{
u16 r,g,b;
if(x>=LCD9320_W||y>=LCD9320_H)return 0;//超过了范围,直接返回

LCD_SetCursor(x,y);
if(DeviceCode==0X9341)LCD_WR_REG(0X2E);//ILI9341发送读GRAM指令
else LCD_WR_REG(R34); //其他IC发送读GRAM指令
GPIOE->CRL=0X88888888; //PB0-7 上拉输入
GPIOE->CRH=0X88888888; //PB8-15 上拉输入
GPIOE->ODR=0XFFFF; //全部输出高

LCD_RS_SET;
LCD_CS_CLR;
//读取数据(读GRAM时,第一次为假读)
LCD_RD_CLR;

delay_us(1);//延时1us
LCD_RD_SET;

//dummy READ
LCD_RD_CLR;

delay_us(1);//延时1us
LCD_RD_SET;

r=DATAIN;

if(DeviceCode==0X9341)
{
LCD_RD_CLR;

LCD_RD_SET;
b=DATAIN;//读取蓝色值
g=r&0XFF;//对于9341,第一次读取的是RG的值,R在前,G在后,各占8位
g<<=8;
}
LCD_CS_SET;

GPIOE->CRL=0X33333333; //PB0-7 上拉输出
GPIOE->CRH=0X33333333; //PB8-15 上拉输出
GPIOE->ODR=0XFFFF; //全部输出高
if(DeviceCode==0X9325||DeviceCode==0X4535||DeviceCode==0X4531||DeviceCode==0X8989||DeviceCode==0XB505)return r;//这几种IC直接返回颜色值
else if(DeviceCode==0X9341)return (((r>>11)<<11)|((g>>10)<<5)|(b>>11));//ILI9341需要公式转换一下
else return LCD_BGR2RGB(r);

}

void LCD_DisplayOn(void)

{
if(DeviceCode==0X9341)LCD_WR_REG(0X29);//开启显示
else LCD_WriteReg(R7,0x0173);
//开启显示

}

//LCD关闭显示

void LCD_DisplayOff(void)

{
if(DeviceCode==0X9341)LCD_WR_REG(0X28);//关闭显示
else LCD_WriteReg(R7, 0x0);//关闭显示

}

__inline void LCD_SetCursor(u16 Xpos, u16 Ypos)

{

#if USE_HORIZONTAL==1
if(DeviceCode==0X8989)
{
Xpos=319-Xpos;
LCD_WriteReg(0X4E, Ypos);
LCD_WriteReg(0X4F, Xpos);

}else if(DeviceCode==0X9341)//9341,设置坐标
{
LCD_WR_REG(0x2B);
LCD_WR_DATA(Ypos>>8);
LCD_WR_DATA(Ypos&0XFF);
LCD_WR_REG(0x2A);
LCD_WR_DATA(Xpos>>8);
LCD_WR_DATA(Xpos&0XFF);
}else
{
Xpos=319-Xpos;
LCD_WriteReg(R32,Ypos);
LCD_WriteReg(R33,Xpos);
}

#else
if(DeviceCode==0X8989)
{
LCD_WriteReg(0X4E, Xpos);
LCD_WriteReg(0X4F, Ypos);

}else if(DeviceCode==0X9341)
{
LCD_WR_REG(0x2A);
LCD_WR_DATA(Xpos>>8);
LCD_WR_DATA(Xpos&0XFF);
LCD_WR_REG(0x2B);
LCD_WR_DATA(Ypos>>8);
LCD_WR_DATA(Ypos&0XFF);
}else
{
LCD_WriteReg(R32, Xpos);
LCD_WriteReg(R33, Ypos);
}

#endif

}

//设置LCD的自动扫描方向

//注意:其他函数可能会受到此函数设置的影响(尤其是9341这个奇葩),所以,

//一般设置为L2R_U2D即可,如果设置为其他扫描方式,可能导致显示不正常.

//0~7：代表8个方向(具体定义见lcd.h)

//9320/9325/9328/4531/4535/1505/b505/8989/5408/9341等IC已经实际测试

void LCD_Scan_Dir(u8 dir)

{
u16 regval=0;
u8 dirreg=0;

#if USE_HORIZONTAL//使用横屏
switch(dir)//方向转换
{
case 0:dir=6;break;
case 1:dir=7;break;
case 2:dir=4;break;
case 3:dir=5;break;
case 4:dir=1;break;
case 5:dir=0;break;
case 6:dir=3;break;
case 7:dir=2;break;
}

#endif
if(DeviceCode==0x9341)//9341,很特殊
{
switch(dir)
{
case L2R_U2D://从左到右,从上到下
regval|=(0<<7)|(0<<6)|(0<<5);
break;
case L2R_D2U://从左到右,从下到上
regval|=(1<<7)|(0<<6)|(0<<5);
break;
case R2L_U2D://从右到左,从上到下
regval|=(0<<7)|(1<<6)|(0<<5);
break;
case R2L_D2U://从右到左,从下到上
regval|=(1<<7)|(1<<6)|(0<<5);
break;

case U2D_L2R://从上到下,从左到右
regval|=(0<<7)|(0<<6)|(1<<5);
break;
case U2D_R2L://从上到下,从右到左
regval|=(0<<7)|(1<<6)|(1<<5);
break;
case D2U_L2R://从下到上,从左到右
regval|=(1<<7)|(0<<6)|(1<<5);
break;
case D2U_R2L://从下到上,从右到左
regval|=(1<<7)|(1<<6)|(1<<5);
break;

}
dirreg=0X36;

regval|=0X08;//BGR
LCD_WriteReg(dirreg,regval);
if(regval&0X20)
{

LCD_WR_REG(0x2A);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA(319>>8);LCD_WR_DATA(319&0XFF);
LCD_WR_REG(0x2B);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA(239>>8);LCD_WR_DATA(239&0XFF);
}else
{

LCD_WR_REG(0x2A);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA(239>>8);LCD_WR_DATA(239&0XFF);
LCD_WR_REG(0x2B);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA(319>>8);LCD_WR_DATA(319&0XFF);
}

}else
{
switch(dir)
{
case L2R_U2D://从左到右,从上到下
regval|=(1<<5)|(1<<4)|(0<<3);
break;
case L2R_D2U://从左到右,从下到上
regval|=(0<<5)|(1<<4)|(0<<3);
break;
case R2L_U2D://从右到左,从上到下
regval|=(1<<5)|(0<<4)|(0<<3);
break;
case R2L_D2U://从右到左,从下到上
regval|=(0<<5)|(0<<4)|(0<<3);
break;

case U2D_L2R://从上到下,从左到右
regval|=(1<<5)|(1<<4)|(1<<3);
break;
case U2D_R2L://从上到下,从右到左
regval|=(1<<5)|(0<<4)|(1<<3);
break;
case D2U_L2R://从下到上,从左到右
regval|=(0<<5)|(1<<4)|(1<<3);
break;
case D2U_R2L://从下到上,从右到左
regval|=(0<<5)|(0<<4)|(1<<3);
break;

}
if(DeviceCode==0x8989)//8989 IC
{
dirreg=0X11;
regval|=0X6040;//65K
}else//其他驱动IC
{
dirreg=0X03;
regval|=1<<12;
}
LCD_WriteReg(dirreg,regval);
}

}

//初始化lcd

//该初始化函数可以初始化各种ILI93XX液晶,但是其他函数是基于ILI9320的!!!

//在其他型号的驱动芯片上没有测试!

void LCD9320_Init(void)

{
RCC->APB2ENR|=1<<5;//先使能外设PORTD时钟

RCC->APB2ENR|=1<<6;//先使能外设PORTE时钟

//RCC->APB2ENR|=1<<0; //开启辅助时钟

GPIOD->CRH&=0X0000FFFF;
GPIOD->CRH|=0X33330000;
GPIOD->ODR=0XF000;

GPIOE->CRH=0X33333333;
GPIOE->CRL=0X33333333;

GPIOE->ODR=0XFFFF;

delay_ms(50); // delay 50 ms
LCD_WriteReg(0x0000,0x0001);
delay_ms(50); // delay 50 ms
DeviceCode = LCD_ReadReg(0x0000);

delay_ms(50);//可以适当调整延时，保障稳定显示

LCD_WriteReg(0x0000,0x0001); // delayms(5); //打开晶振

LCD_WriteReg(0x0003,0xA8A4); // delayms(5); //0xA8A4

LCD_WriteReg(0x000C,0x0000); // delayms(5);

LCD_WriteReg(0x000D,0x080C); // delayms(5);

LCD_WriteReg(0x000E,0x2B00); // delayms(5);

LCD_WriteReg(0x001E,0x00B0); // delayms(5);

LCD_WriteReg(0x0001,0x3B3F); // delayms(5); //驱动输出控制320*240 0x6B3F

LCD_WriteReg(0x0002,0x0600); // delayms(5);

LCD_WriteReg(0x0010,0x0000); // delayms(5);

LCD_WriteReg(0x0011,0x6070); // delayms(5); //定义数据格式 16位色横屏 0x6058

LCD_WriteReg(0x0005,0x0000); // delayms(5);

LCD_WriteReg(0x0006,0x0000); // delayms(5);

LCD_WriteReg(0x0016,0xEF1C); // delayms(5);

LCD_WriteReg(0x0017,0x0003); // delayms(5);

LCD_WriteReg(0x0007,0x0233); // delayms(5); //0x0233

LCD_WriteReg(0x000B,0x0000); // delayms(5);

LCD_WriteReg(0x000F,0x0000); // delayms(5); //扫描开始地址

LCD_WriteReg(0x0041,0x0000); // delayms(5);

LCD_WriteReg(0x0042,0x0000); // delayms(5);

LCD_WriteReg(0x0048,0x0000); // delayms(5);

LCD_WriteReg(0x0049,0x013F); // delayms(5);

LCD_WriteReg(0x004A,0x0000); // delayms(5);

LCD_WriteReg(0x004B,0x0000); // delayms(5);

LCD_WriteReg(0x0044,0xEF00); // delayms(5);

LCD_WriteReg(0x0045,0x0000); // delayms(5);

LCD_WriteReg(0x0046,0x013F); // delayms(5);

LCD_WriteReg(0x0030,0x0707); // delayms(5);

LCD_WriteReg(0x0031,0x0204); // delayms(5);

LCD_WriteReg(0x0032,0x0204); // delayms(5);

LCD_WriteReg(0x0033,0x0502); // delayms(5);

LCD_WriteReg(0x0034,0x0507); // delayms(5);

LCD_WriteReg(0x0035,0x0204); // delayms(5);

LCD_WriteReg(0x0036,0x0204); // delayms(5);

LCD_WriteReg(0x0037,0x0502); // delayms(5);

LCD_WriteReg(0x003A,0x0302); // delayms(5);

LCD_WriteReg(0x003B,0x0302); // delayms(5);

LCD_WriteReg(0x0023,0x0000); // delayms(5);

LCD_WriteReg(0x0024,0x0000); // delayms(5);

LCD_WriteReg(0x0025,0x8000); // delayms(5);

LCD_WriteReg(0x004f,0); // 行首址0,y=0

LCD_WriteReg(0x004e,0); // 列首址0,x=0

}

//ILI93xx.h

#ifndef ILI93xx_H

#define ILI93xx_H

//#include "stm32f10x_lib.h"

#include "stm32f10x.h"

//写8位数据函数

#define LCD_WR_DATA(data){\

GPIO_SetBits(GPIOD,GPIO_Pin_14);\

GPIO_ResetBits(GPIOD,GPIO_Pin_12);\

GPIO_Write(GPIOE, data);\

GPIO_ResetBits(GPIOD,GPIO_Pin_13);\

GPIO_SetBits(GPIOD,GPIO_Pin_13);\

GPIO_SetBits(GPIOD,GPIO_Pin_12);\

}

void LCD_WR_REG(u16 data);

u16 LCD_RD_DATA(void);

void LCD_WriteReg(u8 LCD_Reg,u16 LCD_RegValue);

u16 LCD_ReadReg(u8 LCD_Reg);

void LCD_WriteRAM_Prepare(void);

void LCD_WriteRAM(u16 RGB_Code);

u16 LCD_BGR2RGB(u16 c);

u16 LCD_ReadPoint(u16 x,u16 y);

void LCD_DisplayOn(void);

void LCD_DisplayOff(void);

__inline void LCD_SetCursor(u16 Xpos, u16 Ypos);

void LCD_Scan_Dir(u8 dir);

void LCD9320_Init(void);

#endif

//ILI9320.h

#ifndef __LCD9320_H

#define __LCD9320_H

#include "stdlib.h"

#include "stm32f10x.h"

//定义LCD的尺寸

#define LCD9320_W 240

#define LCD9320_H 320

#define RGB565(R,G,B) ((R<<11)|(G<<5)|(B))

#define LCD_CS_SET GPIOD->BSRR=1<<12 //片选端口

#define LCD_RS_SETGPIOD->BSRR=1<<14 //数据/命令


#define LCD_WR_SETGPIOD->BSRR=1<<13 //写数据

#define LCD_RD_SETGPIOD->BSRR=1<<15 //读数据

#define LCD_CS_CLR GPIOD->BRR=1<<12 //片选端口

#define LCD_RS_CLRGPIOD->BRR=1<<14 //数据/命令


#define LCD_WR_CLRGPIOD->BRR=1<<13 //写数据

#define LCD_RD_CLRGPIOD->BRR=1<<15 //读数据

#define DATAOUT(x) GPIOE->ODR=x; //数据输出

#define DATAIN GPIOE->IDR; //数据输入

//扫描方向定义

#define L2R_U2D 0 //从左到右,从上到下

#define L2R_D2U 1 //从左到右,从下到上

#define R2L_U2D 2 //从右到左,从上到下

#define R2L_D2U 3 //从右到左,从下到上

#define U2D_L2R 4 //从上到下,从左到右

#define U2D_R2L 5 //从上到下,从右到左

#define D2U_L2R 6 //从下到上,从左到右

#define D2U_R2L 7 //从下到上,从右到左

#define DFT_SCAN_DIR L2R_U2D //默认的扫描方向

//9320/9325 LCD寄存器

#define R0 0x00

#define R1 0x01

#define R2 0x02

#define R3 0x03

#define R4 0x04

#define R5 0x05

#define R6 0x06

#define R7 0x07

#define R8 0x08

#define R9 0x09

#define R10 0x0A

#define R12 0x0C

#define R13 0x0D

#define R14 0x0E

#define R15 0x0F

#define R16 0x10

#define R17 0x11

#define R18 0x12

#define R19 0x13

#define R20 0x14

#define R21 0x15

#define R22 0x16

#define R23 0x17

#define R24 0x18

#define R25 0x19

#define R26 0x1A

#define R27 0x1B

#define R28 0x1C

#define R29 0x1D

#define R30 0x1E

#define R31 0x1F

#define R32 0x20

#define R33 0x21

#define R34 0x22

#define R36 0x24

#define R37 0x25

#define R40 0x28

#define R41 0x29

#define R43 0x2B

#define R45 0x2D

#define R48 0x30

#define R49 0x31

#define R50 0x32

#define R51 0x33

#define R52 0x34

#define R53 0x35

#define R54 0x36

#define R55 0x37

#define R56 0x38

#define R57 0x39

#define R59 0x3B

#define R60 0x3C

#define R61 0x3D

#define R62 0x3E

#define R63 0x3F

#define R64 0x40

#define R65 0x41

#define R66 0x42

#define R67 0x43

#define R68 0x44

#define R69 0x45

#define R70 0x46

#define R71 0x47

#define R72 0x48

#define R73 0x49

#define R74 0x4A

#define R75 0x4B

#define R76 0x4C

#define R77 0x4D

#define R78 0x4E

#define R79 0x4F

#define R80 0x50

#define R81 0x51

#define R82 0x52

#define R83 0x53

#define R96 0x60

#define R97 0x61

#define R106 0x6A

#define R118 0x76

#define R128 0x80

#define R129 0x81

#define R130 0x82

#define R131 0x83

#define R132 0x84

#define R133 0x85

#define R134 0x86

#define R135 0x87

#define R136 0x88

#define R137 0x89

#define R139 0x8B

#define R140 0x8C

#define R141 0x8D

#define R143 0x8F

#define R144 0x90

#define R145 0x91

#define R146 0x92

#define R147 0x93

#define R148 0x94

#define R149 0x95

#define R150 0x96

#define R151 0x97

#define R152 0x98

#define R153 0x99

#define R154 0x9A

#define R157 0x9D

#define R192 0xC0

#define R193 0xC1

#define R229 0xE5

#endif

//另外ucgui中的文件代码添加

//LCDConf.h

#define LCD_XSIZE (240) /* X-resolution of LCD, Logical coor. */ //(y,x) 反了

#define LCD_YSIZE (320) /* Y-resolution of LCD, Logical coor. */

//#define LCD_BITSPERPIXEL (16)

#define LCD_BITSPERPIXEL (16) //16位色

#define LCD_CONTROLLER (-1) //缺省驱动（即采用自己的驱动函数）

#define LCD_FIXEDPALETTE (565) //调色板565格式

#define LCD_SWAP_RB (1) //红蓝反色交换

#define LCD_INIT_CONTROLLER() LCD9320_Init()

#endif /* LCDCONF_H */

//GUIConf.h

#ifndef GUICONF_H

#define GUICONF_H

#define GUI_OS (0) /* Compile with multitasking support */

#define GUI_SUPPORT_TOUCH (0) /* Support a touch screen (req. win-manager) */

#define GUI_SUPPORT_MOUSE (1) /* Support a mouse */

#define GUI_SUPPORT_UNICODE (1) /* Support mixed ASCII/UNICODE strings */

#define GUI_DEFAULT_FONT &GUI_Font6x8 //默认字体

#define GUI_ALLOC_SIZE (1024*5) /* Size of dynamic memory ... For WM and memory devices*/

/*********************************************************************

*

* Configuration of available packages

*/

#define GUI_WINSUPPORT 1 /* Window manager package available */

#define GUI_SUPPORT_MEMDEV 1 /* Memory devices available */

#define GUI_SUPPORT_AA 0 /* Anti aliasing available */

#endif /* Avoid multiple inclusion */

//LCDDnmmy.c文件

//添加头文件

#include "LCD_Private.h" /* private modul definitions & config */

#include "GUI_Private.h"

#include "GUIDebug.h"

#include "ILI93xx.h" //画点函数和读点函数

#include "LCDConf.h" //液晶初始化函数#define LCD_INIT_CONTROLLER() LCD9320_Init()

添加三个函数

/*********************************************************************

*

* LCD_L0_Init

*

* Purpose:

* Initialises the LCD-controller.

*/

int LCD_L0_Init(void) {

LCD_INIT_CONTROLLER();

return 0;

}

/*********************************************************************

*

* LCD_L0_SetPixelIndex

*

* Purpose:

* Sets the index of the given pixel. The upper layers

* calling this routine make sure that the coordinates are in range, so

* that no check on the parameters needs to be performed.

*/

void LCD_L0_SetPixelIndex(int x, int y, int PixelIndex) {

/* Convert logical into physical coordinates (Dep. on LCDConf.h) */

// LCD_DrawPoint(x,y);

LCD_WriteReg(0x004e,x); //设置x坐标位置

LCD_WriteReg(0x004f,y); //设置y坐标位置

LCD_WR_REG(0x22);

LCD_WR_DATA(PixelIndex);

}

/*********************************************************************

*

* LCD_L0_GetPixelIndex

*

* Purpose:

* Returns the index of the given pixel. The upper layers

* calling this routine make sure that the coordinates are in range, so

* that no check on the parameters needs to be performed.

*/

unsigned int LCD_L0_GetPixelIndex(int x, int y) {



return LCD_ReadPoint(x,y);

}

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