11-mini2440之LCD画圆圈.doc

#defineGLOBAL_CLK1#include def.h#include option.h#include 2440addr.h#include 2440lib.h#include 2440slib.h#include mmu.h/* *#define LCD_W35 * *#elif defined(LCD_W35) * *#define LCD_WIDTH 320 宽 /在option.h文件里面有他们的定义 *#define LCD_HEIGHT 240 高 *#define LCD_PIXCLOCK 4 时钟参数 *#define LCD_RIGHT_MARGIN 0x44 右边沿 *#define LCD_LEFT_MARGIN 0x04 左边沿 *#define LCD_HSYNC_LEN 0x01 行无效脉冲宽度 *#define LCD_UPPER_MARGIN 10 上边沿 *#define LCD_LOWER_MARGIN 4 下边沿 *#define LCD_VSYNC_LEN 1 列无效脉冲宽度 *#define LCD_CON5 (111) | (18) | (19) | (1 0; times-) for (i = 0; i 400; i+) ;void lcd_init(void)rGPCCON = 0xaaaa02a9; /管脚配置用于LCDrGPCUP = 0xffffffff;rGPDCON = 0xaaaaaaaa;rGPDUP = 0xffffffff;rGPGCON |= (0x38); /设置GPG4为LCD_PWRENrGPGUP |= (0x14);rGPGDAT |= (0x14);rLCDCON1 = (LCD_PIXCLOCK8) | (0x35) | (0xd1); /设置时钟、LCD类型为TFT、24bpprLCDCON2 = (LCD_UPPER_MARGIN24) | (LCD_HEIGHT - 1)14) | (LCD_LOWER_MARGIN6) | (LCD_VSYNC_LEN);rLCDCON3 = (LCD_RIGHT_MARGIN19) | (LCD_WIDTH - 1)22)1);rLCDSADDR2 = 0x1fffff & (unsigned int)lcd_buf + (LCD_WIDTH * LCD_HEIGHT * 4)1);rLCDSADDR3 = LCD_WIDTH * 32 / 16;rLCDINTMSK |= 0x3;rTCONSEL = 0;rLCDCON5 = rLCDCON5 & (13) | (13); /有效PWREN信号 rLCDCON5 = rLCDCON5 & (15) | (05); /PWREN信号极性不翻转rLCDCON1 |= 0x1; /开启LCDvoid lcd_brush_background(unsigned int color)int x, y;for (x = 0; x LCD_HEIGHT; x+)for (y = 0; y LCD_WIDTH; y+)lcd_bufxy = color;void lcd_draw_circle(unsigned int color, unsigned int radius)unsigned int x, y;unsigned int sqr = radius * radius;for (x = 0; x LCD_WIDTH; x+)for (y = 0;