initial commit
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27
sdk/software/bsp/drivers/dvi.c
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27
sdk/software/bsp/drivers/dvi.c
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#include "dvi.h"
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// 设置坐标和颜色的绘图函数
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void DVI_Draw_Rect(uint32_t x, uint32_t y, uint32_t l, uint32_t w)
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{
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// 创建坐标值,x 和 y 分别占用 12 位; width 和 height 用于定义范围
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uint32_t coordinates = ((x & 0xFFFF)<<16) | (y & 0xFFFF);
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uint32_t size = ((l & 0xFFFF)<<16) | (w & 0xFFFF);
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// 写入坐标和颜色寄存器
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RegWrite(DVI_RECT_DIR, coordinates);
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RegWrite(DVI_RECT_L_W, size);
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}
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// 在指定位置绘制一个点的函数
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void DVI_Draw_SQU(uint32_t x, uint32_t y, uint32_t r)
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{
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// 创建坐标值,x 和 y 分别占用 12 位; width 和 height 用于定义范围
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uint32_t coordinates = ((x & 0xFFFF)<<16) | (y & 0xFFFF);
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uint32_t size = ((r & 0xFFFF)<<16) | (r & 0xFFFF);
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// 写入坐标和颜色寄存器
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RegWrite(DVI_SQU_DIR, coordinates);
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RegWrite(DVI_SQU_R, size);
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}
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