用过ILI9320驱动的进来看看 (amobbs.com 阿莫电子技术论坛) -

pingchangxin 发表于 2009-7-28 16:01:33

用过ILI9320驱动的进来看看

#include "ILI9320.h"

const uint color[]={0xF800,0x7E0,0x1F,0xffe0,0x0000,0xffff,0x07ff,0xf81f,0x07e0,0x0eff,
                  /*红色橘黄蓝色黄色    黑色    白色青色    紫色    绿色天蓝*/
                  0x000F,0x03E0,0x03EF,0x7800};
void DelayNS(uint32 dly)
{
uint32 i;
for(; dly > 0; dly--)
for(i=0; i<4000; i++);
}

void LCD_WR_REG(uint index)
{
CRS();
CCS();
OutData_L(index);
OutData_H(index>>8);
CWR();
SWR();
SSCS();
//SRS();
}

void LCD_WR_CMD(uint index,uint val)
{
CRS();
CCS();
OutData_L(index);
OutData_H(index>>8);
CWR();
SWR();
//SSCS();
SRS();
//CCS();
OutData_L(val);
OutData_H(val>>8);
CWR();
SWR();
SSCS();
CRS();
}

void LCD_WR_Data(uint val)
{
SRS();
CCS();
OutData_L(val);
OutData_H(val>>8);
CWR();
SWR();
SSCS();
}

void LCD_Init()
{
PINSEL0 = PINSEL0&0x00000000;
PINSEL1 = PINSEL1&0x00000000;
PINSEL2 = PINSEL2&(~0x08);

IO0DIR = IO0DIR|(1<<RST)|(1<<CS)|(1<<WR)|(1<<RS)|(1<<RD)|(0xff<<16);
IO1DIR = IO1DIR|(0xff<<16);
}

void LCM_DispInit()
{
LCD_Init();

SRST();
DelayNS(100);
CRST();
DelayNS(100);
SRST();
DelayNS(100);

LCD_WR_CMD(0x00E5, 0x8000); // Set the internal vcore voltage
LCD_WR_CMD(0x0000, 0x0001); // Start internal OSC.
DelayNS(400);
LCD_WR_CMD(0x0001, 0x0000); // set SS and SM bit
LCD_WR_CMD(0x0002, 0x0700); // set 1 line inversion
LCD_WR_CMD(0x0003, 0x1038); // set GRAM write direction and BGR=1.
LCD_WR_CMD(0x0004, 0x0000); // Resize register

LCD_WR_CMD(0x0008, 0x0202); // set the back porch and front porch
LCD_WR_CMD(0x0009, 0x0000); // set non-display area refresh cycle ISC
LCD_WR_CMD(0x000A, 0x0000); // FMARK function
LCD_WR_CMD(0x000C, 0x0000); // RGB interface setting
LCD_WR_CMD(0x000D, 0x0000); // Frame marker Position
LCD_WR_CMD(0x000F, 0x0000); // RGB interface polarity
LCD_WR_CMD(0x002b, 0x0020); //frame rate and color control(0x0000)

//*************Power On sequence ****************
LCD_WR_CMD(0x0010, 0x0000); // SAP, BT, AP, DSTB, SLP, STB
LCD_WR_CMD(0x0011, 0x0004); // DC1, DC0, VC
LCD_WR_CMD(0x0012, 0x0000); // VREG1OUT voltage
LCD_WR_CMD(0x0013, 0x0000); // VDV for VCOM amplitude
DelayNS(100); // Dis-charge capacitor power voltage

LCD_WR_CMD(0x0010, 0x17B0); // SAP, BT, AP, DSTB, SLP, STB
LCD_WR_CMD(0x0011, 0x0001); // DC1, DC0, VC
DelayNS(50); // Delay 50ms
LCD_WR_CMD(0x0012, 0x013e); // VREG1OUT voltage
DelayNS(50); // Delay 50ms
LCD_WR_CMD(0x0013, 0x1c00); // VDV for VCOM amplitude
LCD_WR_CMD(0x0029, 0x001e); // VCM for VCOMH
DelayNS(50);

LCD_WR_CMD(0x0020, 0x0000); // GRAM horizontal Address
LCD_WR_CMD(0x0021, 0x0000); // GRAM Vertical Address

// ----------- Adjust the Gamma Curve ----------//
LCD_WR_CMD(0x0030, 0x0002);
LCD_WR_CMD(0x0031, 0x0606);
LCD_WR_CMD(0x0032, 0x0501);

LCD_WR_CMD(0x0035, 0x0206);
LCD_WR_CMD(0x0036, 0x0504);
LCD_WR_CMD(0x0037, 0x0707);
LCD_WR_CMD(0x0038, 0x0306);
LCD_WR_CMD(0x0039, 0x0007);

LCD_WR_CMD(0x003C, 0x0700);
LCD_WR_CMD(0x003D, 0x0700);

//------------------ Set GRAM area ---------------//
LCD_WR_CMD(0x0050, 0x0000); // Horizontal GRAM Start Address
LCD_WR_CMD(0x0051, 0x00EF); // Horizontal GRAM End Address
LCD_WR_CMD(0x0052, 0x0000); // Vertical GRAM Start Address
LCD_WR_CMD(0x0053, 0x013F); // Vertical GRAM Start Address

LCD_WR_CMD(0x0060, 0x2700); // Gate Scan Line
LCD_WR_CMD(0x0061, 0x0001); // NDL,VLE, REV
LCD_WR_CMD(0x006A, 0x0000); // set scrolling line

//-------------- Partial Display Control ---------//
LCD_WR_CMD(0x0080, 0x0000);
LCD_WR_CMD(0x0081, 0x0000);
LCD_WR_CMD(0x0082, 0x0000);
LCD_WR_CMD(0x0083, 0x0000);
LCD_WR_CMD(0x0084, 0x0000);
LCD_WR_CMD(0x0085, 0x0000);

//-------------- Panel Control -------------------//
LCD_WR_CMD(0x0090, 0x0010);
LCD_WR_CMD(0x0092, 0x0000);
LCD_WR_CMD(0x0093, 0x0003);
LCD_WR_CMD(0x0095, 0x0110);
LCD_WR_CMD(0x0097, 0x0000);
LCD_WR_CMD(0x0098, 0x0000);

LCD_WR_CMD(0x0007, 0x0173); // 262K color and display ON
LCD_WR_REG(0x0022);
}

void lcd_bk()
{
uint16 temp,n,num;
LCD_WR_CMD(0x0050, 0x0000); // Horizontal GRAM Start Address
LCD_WR_CMD(0x0051, 0x00EF); // Horizontal GRAM End Address
LCD_WR_CMD(0x0052, 0x0000); // Vertical GRAM Start Address
LCD_WR_CMD(0x0053, 0x013F); // Vertical GRAM Start Address

//temp=color;

LCD_WR_CMD(0x20,0);    //0-239
LCD_WR_CMD(0x21,0);    //0-319
LCD_WR_REG(0x0022);
for (n=0;n<320;n++)
{
   for (num=0;num<240;num++)
         LCD_WR_Data(0xffff);
}
DelayNS(50);
}

#include "ILI9320.h"

int main (void)
{
LCM_DispInit();
while(1)
{
lcd_bk();
DelayNS(100);
}
return 0;
}

我这样做，一直不能正常的现实，其实为只是测测屏，保证屏是好的。但是不知道我这么做有什么地方不对的吗？请指教下，谢谢了！

2nd090215 发表于 2009-7-28 16:06:38

先贴下你的接线图,排除硬件原因

pingchangxin 发表于 2009-7-28 16:14:12

/* 定义RES控制 */
#define RST 28
#define SRST()IO0SET =(1<<RST)
#define CRST()IO0CLR =(1<<RST)

/* 定义RS控制 */
#define RS    26
#define SRS() IO0SET = (1<<RS)
#define CRS() IO0CLR = (1<<RS)

/* 定义CS控制 */
#define CS    25
#define SSCS()IO0SET =(1<<CS)
#define CCS() IO0CLR= (1<<CS)

/* 定义WR控制 */
#define WR    27
#define SWR() IO0SET = (1<<WR)
#define CWR() IO0CLR = (1<<WR)

#define RD    30
#define SRD() IO0SET = (1<<RD)
#define CRD() IO0CLR = (1<<RD)

/*定义数据口高8位*/
#define BUS_NO 16
#define OutData_H(dat)       IO1CLR = 0xff<<BUS_NO;IO1SET =(dat&0xff)<<BUS_NO
#define OutData_L(dat)       IO0CLR = 0xff<<BUS_NO;IO0SET =(dat&0xff)<<BUS_NO

hackerxu520 发表于 2009-8-7 10:56:52

我在使用MSP430单片机来写，也尚未有显示，唉~头疼，不知道是不是时序对不对，~如果一个WR信号从下降到上升有1us的时间，还可以驱动吗？

whuer 发表于 2012-12-17 22:35:10

学习了不错

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用过ILI9320驱动的进来看看