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2026-04-12 22:20:18 +08:00
commit 190c2edbb2
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#include "dvi.h"
// 设置坐标和颜色的绘图函数
void DVI_Draw_Rect(uint32_t x, uint32_t y, uint32_t l, uint32_t w)
{
// 创建坐标值x 和 y 分别占用 12 位; width 和 height 用于定义范围
uint32_t coordinates = ((x & 0xFFFF)<<16) | (y & 0xFFFF);
uint32_t size = ((l & 0xFFFF)<<16) | (w & 0xFFFF);
// 写入坐标和颜色寄存器
RegWrite(DVI_RECT_DIR, coordinates);
RegWrite(DVI_RECT_L_W, size);
}
// 在指定位置绘制一个点的函数
void DVI_Draw_SQU(uint32_t x, uint32_t y, uint32_t r)
{
// 创建坐标值x 和 y 分别占用 12 位; width 和 height 用于定义范围
uint32_t coordinates = ((x & 0xFFFF)<<16) | (y & 0xFFFF);
uint32_t size = ((r & 0xFFFF)<<16) | (r & 0xFFFF);
// 写入坐标和颜色寄存器
RegWrite(DVI_SQU_DIR, coordinates);
RegWrite(DVI_SQU_R, size);
}