ili9325驱动程序，飞思卡尔EP100

smallleaf · 发表于 2010-5-24 10:05:24

最近刚刚开始搞这个芯片，用来驱动一块320*240的2.8"液晶屏，结果试了一天都没有结果。后来在网上下载了一些初始化寄存器的例子，参考以后还是不行，不知道哪个环节出了问题。插一句，本来屏幕边缘一小块区域是可以随着初始化刷屏改变颜色的，后来也不知改了什么地方，连这个效果也看不到了。
            下面是我的初始化程序，用的是飞思卡尔EP100的单片机。
         //初始化 ili9325 控制器
         void ili9325_Init()
         {
            Dly_ms(10);
         LCMCS=1;
         LCMRS=1;
            LCMWr=1;
            LCMRd=1;
            LCMLedOn=0;
            Dly_ms(50);
            ili9325_WriteRegister(0xe7,0x0010);
            //************* Start Initial Sequence **********//
            ili9325_WriteRegister(0x00,0x0001);
            ili9325_WriteRegister(0x01,0x0100);    // SS set high
            ili9325_WriteRegister(0x02,0x0700); //power on sequence
            ili9325_WriteRegister(0x03,0x1030);    //65K
            ili9325_WriteRegister(0x04,0x0000);
            ili9325_WriteRegister(0x08,0x0206);
            ili9325_WriteRegister(0x09,0x0000);
            ili9325_WriteRegister(0x0a,0x0000);
            ili9325_WriteRegister(0x0c,0x0001);
            ili9325_WriteRegister(0x0d,0x0000);
            ili9325_WriteRegister(0x0f,0x0000);
            Dly_ms(2);
            //*************Power On sequence ****************//
            ili9325_WriteRegister(0x10,0x0000);
            ili9325_WriteRegister(0x11,0x0007);
            ili9325_WriteRegister(0x12,0x0000);
            ili9325_WriteRegister(0x13,0x0000);
         Dly_ms(2);
            ili9325_WriteRegister(0x10,0x1590);
            ili9325_WriteRegister(0x11,0x0227);
         Dly_ms(2);
            ili9325_WriteRegister(0x12,0x009c);
            Dly_ms(2);
            ili9325_WriteRegister(0x13,0x1900);
            ili9325_WriteRegister(0x29,0x0023);
            ili9325_WriteRegister(0x2b,0x000e);
         Dly_ms(2);
            ili9325_WriteRegister(0x20,0x0000);
            ili9325_WriteRegister(0x21,0x0000);
         Dly_ms(2);
         // ----------- Adjust the Gamma Curve ----------//

            ili9325_WriteRegister(0x30,0x0007);
            ili9325_WriteRegister(0x31,0x0707);
            ili9325_WriteRegister(0x32,0x0006);
            ili9325_WriteRegister(0x35,0x0704);
            ili9325_WriteRegister(0x36,0x1f04);
            ili9325_WriteRegister(0x37,0x0004);
            ili9325_WriteRegister(0x38,0x0000);
            ili9325_WriteRegister(0x39,0x0706);
            ili9325_WriteRegister(0x3c,0x0701);
            ili9325_WriteRegister(0x3d,0x000f);
            Dly_ms(2);
            //------------------ Set GRAM area ---------------//
            ili9325_WriteRegister(0x50,0x0000);
            ili9325_WriteRegister(0x51,0x00ef);
            ili9325_WriteRegister(0x52,0x0000);
            ili9325_WriteRegister(0x53,0x013f);
            ili9325_WriteRegister(0x60,0xa700);
            ili9325_WriteRegister(0x61,0x0001);
            ili9325_WriteRegister(0x6a,0x0000);
            //-------------- Partial Display Control ---------//
            ili9325_WriteRegister(0x80,0x0000);
            ili9325_WriteRegister(0x81,0x0000);
            ili9325_WriteRegister(0x82,0x0000);
            ili9325_WriteRegister(0x83,0x0000);
            ili9325_WriteRegister(0x84,0x0000);
            ili9325_WriteRegister(0x85,0x0000);

            ili9325_WriteRegister(0x90,0x0010);
            ili9325_WriteRegister(0x92,0x0000);
            ili9325_WriteRegister(0x93,0x0003);
            ili9325_WriteRegister(0x95,0x0110);
            ili9325_WriteRegister(0x97,0x0000);
            ili9325_WriteRegister(0x98,0x0000);
            ili9325_WriteRegister(0x07,0x0133);
            Dly_ms(2);
            LCMLedOn=1;
            ili9325_Clear(0x001f);
         }

         void ili9325_Clear(word data)
         {
            dword i;
            ili9325_WriteRegister(0x20,0);
            ili9325_WriteRegister(0x21,0);
         ili9325_WriteRegister(0x50,0x0000);//水平 GRAM起始位置
         ili9325_WriteRegister(0x51,239);//水平GRAM终止位置
         ili9325_WriteRegister(0x52,0x0000);//垂直GRAM起始位置
         ili9325_WriteRegister(0x53,319);//垂直GRAM终止位置

            for(i=0;i8);
            LCMWr=0;
            Dly_ms(1);
            LCMWr=1;

            PORTB = (byte)(data&0x00ff);
            LCMWr=0;
            Dly_ms(1);
            LCMWr=1;
            LCMCS=1;
         }

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