سرعت کم در ssd1963
درود
من با stm32f103 با سرعت 73 مگ ال سی دی 4.3 اینج راه اندازی کردم
مشکل این هست که چرا سرعت انقدر پایینه
مثلا برای پاک کردم صفحه 1 تا 1.5 ثانیه طول میکشه
باید چیکار کنم که توی مثلا 50 میلی ثانیه یه عکس نمایش بده ؟؟؟
کد:void LCD_Init(void) { SSD_RESET; //LCD_Configuration();lcd_write_command #define LCD_WriteCom LCD_WR_REG #define LCD_WriteRAM LCD_WR_DATA #define SSD1963_WriteCommand LCD_WriteCom #define SSD1963_WriteData LCD_WriteRAM #define TimeDelay(x) Delay_10ms(x/2) /*ssd1963?????*/ LCD_WriteCom(0x00E2); LCD_WriteRAM(0x0023); // Set PLL with OSC = 10MHz (hardware) // Multiplier N = 35, VCO (>250MHz)= OSC*(N+1), VCO = 360MHz LCD_WriteRAM(0x0001); // Divider M = 2, PLL = 360/(M+1) = 120MHz LCD_WriteRAM(0x0004); // Validate M and N values SSD1963_WriteCommand(SSD1963_SET_PLL_MN); SSD1963_WriteData(0x1D); // PLLclk = REFclk * 30 (300MHz) SSD1963_WriteData(0x02); // SYSclk = PLLclk / 3 (100MHz) SSD1963_WriteData(0x54); // dummy TimeDelay(1); LCD_WriteCom(0x00E0); // PLL enable LCD_WriteRAM(0x0001); TimeDelay(1); LCD_WriteCom(0x00E0); LCD_WriteRAM(0x0003); TimeDelay(1); LCD_WriteCom(0x0001); // software reset TimeDelay(1); LCD_WriteCom(0x00E6); LCD_WriteRAM(0x0004); LCD_WriteRAM(0x0093); LCD_WriteRAM(0x00e0); LCD_WriteCom(0x00B0); //LCD SPECIFICATION LCD_WriteRAM(0x0000); LCD_WriteRAM(0x0000); LCD_WriteRAM((HDP>>8)&0X00FF); //Set HDP LCD_WriteRAM(HDP&0X00FF); LCD_WriteRAM((VDP>>8)&0X00FF); //Set VDP LCD_WriteRAM(VDP&0X00FF); LCD_WriteRAM(0x0000); TimeDelay(1); LCD_WriteCom(0x00B4); //HSYNC LCD_WriteRAM((HT>>8)&0X00FF); //Set HT LCD_WriteRAM(HT&0X00FF); LCD_WriteRAM((HPS>>8)&0X00FF); //Set HPS LCD_WriteRAM(HPS&0X00FF); LCD_WriteRAM(HPW); //Set HPW LCD_WriteRAM((LPS>>8)&0X00FF); //Set HPS LCD_WriteRAM(LPS&0X00FF); LCD_WriteRAM(0x0000); TimeDelay(1); LCD_WriteCom(0x00B6); //VSYNC LCD_WriteRAM((VT>>8)&0X00FF); //Set VT LCD_WriteRAM(VT&0X00FF); LCD_WriteRAM((VPS>>8)&0X00FF); //Set VPS LCD_WriteRAM(VPS&0X00FF); LCD_WriteRAM(VPW); //Set VPW LCD_WriteRAM((FPS>>8)&0X00FF); //Set FPS LCD_WriteRAM(FPS&0X00FF); TimeDelay(1); LCD_WriteCom(0x00BA); LCD_WriteRAM(0x0005);//0x000F); //GPIO[3:0] out 1 TimeDelay(1); LCD_WriteCom(0x00B8); LCD_WriteRAM(0x0007); //GPIO3=input, GPIO[2:0]=output LCD_WriteRAM(0x0001); //GPIO0 normal TimeDelay(1); LCD_WriteCom(0x0036); //rotation LCD_WriteRAM(0x0008); TimeDelay(1); LCD_WriteCom(0x00F0); //pixel data interface LCD_WriteRAM(0x0003); TimeDelay(1); TimeDelay(1); LCD_WriteCom(0x0029); //display on TimeDelay(1); LCD_WriteCom(0x00BE); //set PWM for B/L LCD_WriteRAM(0x0006); LCD_WriteRAM(0x0080); TimeDelay(1); LCD_WriteRAM(0x0001); LCD_WriteRAM(0x00f0); LCD_WriteRAM(0x0000); LCD_WriteRAM(0x0000); TimeDelay(1); LCD_WriteCom(0x00d0);//?????????? LCD_WriteRAM(0x000d); TimeDelay(1); //LCD_Clear(BLACK); }
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