STM32 用FSMC驱动ILI9320 问题

hl449006540

STM32 用FSMC驱动ILI9320 问题 [复制链接]

液晶驱起来了 但是在送单色的测试数据时候 有明显的亮纹  怎么办

angoodcat

条纹通常为频率或VCOM电压没设好，把程序贴上来看看

hl449006540

void STM3210E_LCD_Init(void)

{

#if ISRST == 0

    GPIOB->ODR |= 0x02;

    _delay_ms(1);

    GPIOB->ODR &= ~(0x02);

    _delay_ms(1);

    GPIOB->ODR |= 0x02;

#endif

    _delay_ms(50); /* delay 50 ms */

#ifdef ILI9325        

LCD_WriteReg(0x00e3,0x3008);

LCD_WriteReg(0x00e7,0x0012);

LCD_WriteReg(0x00ef,0x1231);//Set the internal vcore voltage

LCD_WriteReg(0x0001,0x0100);//S

#endif  

#ifdef ILI9320

LCD_WriteReg(0x00e5,0x8000);

LCD_WriteReg(0x0000,0x0001);

LCD_WriteReg(0x0001,0x0100);//S

#endif        

LCD_WriteReg(0x0002,0x0700);//Line inversion        

#if   ID_AM==000       

LCD_WriteReg(0x0003,0x0000);//屏幕旋转控制 TFM=0,TRI=0,SWAP=1,16 bits system interface  swap RGB to BRG，此处ORG和HWM 为0

#elif ID_AM==001        

LCD_WriteReg(0x0003,0x0008);      

#elif ID_AM==010  

LCD_WriteReg(0x0003,0x0010);        

#elif ID_AM==011

LCD_WriteReg(0x0003,0x0018);

#elif ID_AM==100  

LCD_WriteReg(0x0003,0x0020);      

#elif ID_AM==101  

LCD_WriteReg(0x0003,0x0028);      

#elif ID_AM==110  

LCD_WriteReg(0x0003,0x0030);      

#elif ID_AM==111  

LCD_WriteReg(0x0003,0x0038);

#endif      

LCD_WriteReg(0x0004,0x0000);

LCD_WriteReg(0x0008,0x0207);

LCD_WriteReg(0x0009,0x0000);

LCD_WriteReg(0x000a,0x0000);

LCD_WriteReg(0x000c,0x0001);//此处配置接口类型 16位 system接口

LCD_WriteReg(0x000d,0x0000);

LCD_WriteReg(0x000f,0x0000);      

//电源配置

LCD_WriteReg(0x0010,0x0000);

LCD_WriteReg(0x0011,0x0000);

LCD_WriteReg(0x0012,0x0000);

LCD_WriteReg(0x0013,0x0000);

LCD_WriteReg(0x0010,0x17b0);

LCD_WriteReg(0x0011,0x0137);

LCD_WriteReg(0x0012,0x0139);

LCD_WriteReg(0x0013,0x1700);

LCD_WriteReg(0x0029,0x000c);

//LCD_WriteReg(0x002b,0x000d);      

#if   ID_AM==000         

LCD_WriteReg(0x0020,0x00ef);//GRAM水平起始位置

LCD_WriteReg(0x0021,0x013f);      

#elif ID_AM==001

LCD_WriteReg(0x0020,0x00ef);

LCD_WriteReg(0x0021,0x013f);      

#elif ID_AM==010

LCD_WriteReg(0x0020,0x0000);

LCD_WriteReg(0x0021,0x013f);      

#elif ID_AM==011

LCD_WriteReg(0x0020,0x0000);

LCD_WriteReg(0x0021,0x013f);       

#elif ID_AM==100

LCD_WriteReg(0x0020,0x00ef);

LCD_WriteReg(0x0021,0x0000);      

#elif ID_AM==101  

LCD_WriteReg(0x0020,0x00ef);

LCD_WriteReg(0x0021,0x0000);      

#elif ID_AM==110

LCD_WriteReg(0x0020,0x0000);

LCD_WriteReg(0x0021,0x0000);      

#elif ID_AM==111

LCD_WriteReg(0x0020,0x0000);

LCD_WriteReg(0x0021,0x0000);         

#endif       

LCD_WriteReg(0x0030,0x0000);

LCD_WriteReg(0x0031,0x0507);

LCD_WriteReg(0x0032,0x0104);

LCD_WriteReg(0x0035,0x0105);

LCD_WriteReg(0x0036,0x0404);

LCD_WriteReg(0x0037,0x0603);

LCD_WriteReg(0x0038,0x0004);

LCD_WriteReg(0x0039,0x0007);

LCD_WriteReg(0x003c,0x0501);

LCD_WriteReg(0x003d,0x0404);

LCD_WriteReg(0x0050,0x0000);//水平 GRAM起始位置

LCD_WriteReg(0x0051,0x00ef);//水平GRAM终止位置

LCD_WriteReg(0x0052,0x0000);//垂直GRAM起始位置

LCD_WriteReg(0x0053,0x013f);//垂直GRAM终止位置

#ifdef ILI9325        

LCD_WriteReg(0x0060,0xa700);//G

#endif

#ifdef ILI9320        

LCD_WriteReg(0x0060,0x2700);//G  

#endif    

LCD_WriteReg(0x0061,0x0001);//Enables the grayscale inversion of the image by setting REV=1.??????????????????????????????

LCD_WriteReg(0x006a,0x0000);//不使用卷曲功能

LCD_WriteReg(0x0080,0x0000);

LCD_WriteReg(0x0081,0x0000);

LCD_WriteReg(0x0082,0x0000);

LCD_WriteReg(0x0083,0x0000);

LCD_WriteReg(0x0084,0x0000);

LCD_WriteReg(0x0085,0x0000);

LCD_WriteReg(0x0090,0x0010);

LCD_WriteReg(0x0092,0x0000);

LCD_WriteReg(0x0093,0x0003);

LCD_WriteReg(0x0095,0x0110);

LCD_WriteReg(0x0097,0x0000);

LCD_WriteReg(0x0098,0x0000);     

//显示画面写入 0x0130是不显示当前画面

//0x0173是显示当前画面

LCD_WriteReg(0x0007,0x0130);

#ifdef Immediately

LCD_WriteReg(0x0007,0x0173);      

#endif   

}