mini2440-128M开发板裸奔系列10LCD测试程序.docVIP

? mini2440-128M开发板裸奔系列10——LCD测试程序 2010-04-13 11:01 #include def.h#include option.h#include 2440addr.h#include 2440lib.h#include 2440slib.h extern const unsigned char sunflower_240x320[];extern const unsigned char girl[];extern const unsigned char Zhaidi[];extern const unsigned char hua[];//extern const unsigned char sunflower_800x480[];//extern const unsigned char sunflower_1024x768[];//extern const unsigned char sunflower_640x480[]; #define LCD_XSIZE LCD_WIDTH#define LCD_YSIZE LCD_HEIGHT#define SCR_XSIZE LCD_WIDTH#define SCR_YSIZE LCD_HEIGHT volatile static unsigned short LCD_BUFFER[SCR_YSIZE][SCR_XSIZE]; /**************************************************************640×480 TFT LCD数据和控制端口初始化**************************************************************/static void Lcd_Port_Init( void ){??? rGPCUP=0xffffffff; // 端口C上拉控制 P141??? rGPCCON=0xaaaa02a8; //配置端口C的引脚功能 P141Initialize VD[7:0],VM,VFRAME,VLINE,VCLK ??? rGPDUP=0xffffffff; // Disable Pull-up register??? rGPDCON=0xaaaaaaaa; //Initialize VD[15:8]?? P142} /**************************************************************640×480 TFT LCD功能模块初始化**************************************************************/static void LCD_Init(void){#define M5D(n) ((n)0x1fffff)#define LCD_ADDR ((U32)LCD_BUFFER)rLCDCON1 = (LCD_PIXCLOCK 8) | (3 5) | (12 1);//p200 CLKVAL=0x14?? PNRMODE[6:5]为11?? rLCDCON2 = (LCD_UPPER_MARGIN 24) | ((LCD_HEIGHT - 1) 14) | (LCD_LOWER_MARGIN 6) | (LCD_VSYNC_LEN 0);?? //P201 [31:24]VBPD:场同步信号后沿 [23:14]LINEVAL：决定LCD屏的垂直方向的大小 [13:6]VFPD场同步信号前沿 [5:0]VSPW:场同步脉冲宽度?? rLCDCON3 = (LCD_RIGHT_MARGIN 19) | ((LCD_WIDTH - 1) 8) | (LCD_LEFT_MARGIN 0);?? //P201 [25:19]HBPD WDLY [18:8]决定LCD水平显示尺寸?? 【7：0】?? rLCDCON4 = (13 8) | (LCD_HSYNC_LEN 0);?? //[15:8]:MVAL 该位只对STN屏有效，当MMODE置位为1时，决定VM的变换频率 [7:0]行同步脉冲宽度 #if !defined(LCD_CON5)#??? define LCD_CON5 ((111) | (1 9) | (1 8) | (1 3) | (1 0))//P202#endif??? rLCDCON5?? = LCD_CON5;??? rLCDSADDR1 = ((LCD_ADDR 22) 21) | ((M5D(LCD_