\u5728TopModule\u7a0b\u5e8f\u4e2d\u4f8b\u5316ZYNQ\u6a21\u5757<\/strong><\/p>\n\n\n\n\u6253\u5f00\u521a\u624d\u7684Top_Module.v\uff0c\u5e76\u6dfb\u52a0\u4e0b\u5217\u4ee3\u7801\uff0c\u91cc\u9762\u5305\u62ecZYNQ\u6a21\u5757\u7684\u4f8b\u5316\u90e8\u5206\uff0c\u4ee5\u53calcd\u4fe1\u53f7\u7684\u8fde\u63a5\uff0c\u6ce8\u610f\u8fd9\u91cc\u7684\u80cc\u5149\u63a7\u5236LCD_BL \u662f\u76f4\u63a5\u7ed9\u76841\uff0c\u4e5f\u5c31\u662f\u80cc\u5149\u6c38\u8fdc\u662f\u6253\u5f00\u72b6\u6001\u3002<\/p>\n\n\n\n
\/\/www.hellofpga.com
`timescale 1ns \/ 1ps
module Top_Module(
output [7:0] LCD_R,
output [7:0] LCD_G,
output [7:0] LCD_B,
output LCD_HS,
output LCD_VS,
output LCD_DE,
output LCD_CLK,
output LCD_BL
);
assign LCD_BL=1'b1;
ZYNQ_CORE_wrapper u1(
.lcd_clk(LCD_CLK),
.lcd_data({LCD_R,LCD_G,LCD_B}),
.lcd_de(LCD_DE),
.lcd_hsync(LCD_HS),
.lcd_vsync(LCD_VS)
);
endmodule<\/pre>\n\n\n\n\u80af\u5b9a\u6709\u4eba\u4f1a\u95ee ZYNQ_CORE \u91cc\u660e\u660e\u6709\u90a3\u4e48\u591a\u4fe1\u53f7\uff0c\u4e3a\u5565\u6211\u90fd\u7559\u7a7a\u4e86\u53ea\u4fdd\u7559\u4e86lcd\u63a7\u5236\u76f8\u5173\u4fe1\u53f7\uff0c\u5176\u5b9e\u8fd9\u91cc\u6211\u4e5f\u5077\u61d2\u4e86<\/strong>\uff0c\u56e0\u4e3a\u672c\u7ae0\u4e2dZYNQ\u53ea\u989d\u5916\u6dfb\u52a0\u4e86LCD\u90e8\u5206\u7684\u63a5\u53e3\uff0c\u800c\u5269\u4e0b\u8bf8\u5982DDR FIX_IO\u8fd9\u79cd\u4fe1\u53f7\u7ebf\u56e0\u4e3a\u672c\u8eab\u662f\u786c\u4ef6\u8fde\u63a5\u7684\uff0c\u6240\u4ee5\u5373\u4f7f\u7a0b\u5e8f\u4f8b\u5316\u7684\u65f6\u5019\u7559\u7a7a\uff0c\u8fd9\u4e9b\u4fe1\u53f7\u7ebf\u4ecd\u7136\u662f\u786c\u4ef6\u540c\u5916\u90e8\u8fde\u63a5\u7684\u3002\u5f53\u7136\u4f60\u4e5f\u53ef\u4ee5\u5c06\u6240\u6709\u7684\u4fe1\u53f7\u6dfb\u52a0\u5168\u3002\uff08\u5907\u6ce8 \u5982\u679c\u6709\u5176\u4ed6\u7684EMIO \u6216\u8005AXI \u7b49\u6d89\u53ca\u5230\u548cFPGA\u901a\u8baf\u6216\u8005\u6620\u5c04\u7684\u4fe1\u53f7\uff0c\u5219\u8fd9\u91cc\u4f8b\u5316\u7684\u65f6\u5019\u5fc5\u987b\u6dfb\u52a0\u4fe1\u53f7\u4e0a\u53bb\uff09<\/strong><\/p>\n\n\n\n\u8fd9\u6837\u6211\u4eec\u5c31\u5728Top_Module<\/strong>.v\u4e2d\u589e\u52a0\u4e86ZYNQ\u90e8\u5206\u4e86\u3002 \uff08\u8fd9\u91cc\u5bb9\u6613\u4ea7\u751f\u8bef\u533a\uff0cZYNQ\u6a21\u5757\u662f\u786c\u4ef6\u5b58\u5728\u7684\uff0c\u5e76\u4e0d\u662f\u5b9e\u4f8b\u5316\u51ed\u7a7a\u51fa\u73b0\u7684\uff0c\u53ea\u662f\u901a\u8fc7\u4f8b\u5316\u8fd9\u79cd\u65b9\u5f0f\u5c06PS\u548c\u9876\u5c42\u6a21\u5757PL\u4e24\u90e8\u5206\u7ed3\u5408\u5728\u4e00\u8d77\u4e86\uff09<\/p>\n\n\n\n\u4e03\u3001\u6dfb\u52a0\u7ea6\u675f\u5e76\u5bf9\u5de5\u7a0b\u8fdb\u884c\u7f16\u8bd1\u548c\u7efc\u5408<\/strong><\/h2>\n\n\n\n1) \u65b0\u589e\u7ea6\u675f\u6587\u4ef6 \u7528\u7ea6\u675f\u6587\u4ef6\u65b9\u5f0f\u6dfb\u52a0\u7ba1\u811a\u5b9a\u4e49(\u672c\u6587\u4ee5Lemon ZYNQ SP SL SP2\u7684\u7ba1\u811a\u4e3a\u4f8b)<\/p>\n\n\n\n
set_property PACKAGE_PIN U22 [get_ports LCD_VS]
set_property PACKAGE_PIN T22 [get_ports LCD_DE]
set_property PACKAGE_PIN W22 [get_ports LCD_CLK]
set_property PACKAGE_PIN V22 [get_ports LCD_HS]
set_property PACKAGE_PIN Y16 [get_ports LCD_BL]
set_property PACKAGE_PIN Y20 [get_ports {LCD_B[7]}]
set_property PACKAGE_PIN Y21 [get_ports {LCD_B[6]}]
set_property PACKAGE_PIN AA22 [get_ports {LCD_B[5]}]
set_property PACKAGE_PIN AB22 [get_ports {LCD_B[4]}]
set_property PACKAGE_PIN AA21 [get_ports {LCD_B[3]}]
set_property PACKAGE_PIN AB21 [get_ports {LCD_B[2]}]
set_property PACKAGE_PIN AB20 [get_ports {LCD_B[1]}]
set_property PACKAGE_PIN AB19 [get_ports {LCD_B[0]}]
set_property PACKAGE_PIN Y19 [get_ports {LCD_G[7]}]
set_property PACKAGE_PIN AA19 [get_ports {LCD_G[6]}]
set_property PACKAGE_PIN AA16 [get_ports {LCD_G[5]}]
set_property PACKAGE_PIN AB16 [get_ports {LCD_G[4]}]
set_property PACKAGE_PIN AA18 [get_ports {LCD_G[3]}]
set_property PACKAGE_PIN Y18 [get_ports {LCD_G[2]}]
set_property PACKAGE_PIN AB15 [get_ports {LCD_G[1]}]
set_property PACKAGE_PIN AB14 [get_ports {LCD_G[0]}]
set_property PACKAGE_PIN AA13 [get_ports {LCD_R[7]}]
set_property PACKAGE_PIN Y13 [get_ports {LCD_R[6]}]
set_property PACKAGE_PIN W13 [get_ports {LCD_R[5]}]
set_property PACKAGE_PIN V13 [get_ports {LCD_R[4]}]
set_property PACKAGE_PIN W17 [get_ports {LCD_R[3]}]
set_property PACKAGE_PIN W18 [get_ports {LCD_R[2]}]
set_property PACKAGE_PIN AB17 [get_ports {LCD_R[1]}]
set_property PACKAGE_PIN AA17 [get_ports {LCD_R[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports LCD_VS]
set_property IOSTANDARD LVCMOS33 [get_ports LCD_HS]
set_property IOSTANDARD LVCMOS33 [get_ports LCD_DE]
set_property IOSTANDARD LVCMOS33 [get_ports LCD_CLK]
set_property IOSTANDARD LVCMOS33 [get_ports LCD_BL]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_R[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_G[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LCD_B[0]}]<\/pre>\n\n\n\n2) \u70b9\u51fb\u7eff\u8272\u7bad\u5934RUN \u5bf9\u4ee3\u7801\u8fdb\u884c\u7f16\u8bd1<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/11\/image-180.png\")
<\/figure>\n\n\n\n3) \u751f\u6210bit\u6587\u4ef6 :\u6309\u4e0bGenerate Bitstream \u5b8c\u6210\u7efc\u5408\u4ee5\u53ca\u751f\u6210bit\u6587\u4ef6\uff0c\u7b49\u5f85\u5f39\u51fa\u7efc\u5408\u5b8c\u6210\u7684\u7a97\u53e3<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-18.png\")
<\/figure>\n\n\n\n\u516b\u3001SDK\u90e8\u5206\u914d\u7f6e<\/strong><\/h1>\n\n\n\n1\uff09File\u2192Export\u2192Export hardware\u2026\uff0c\u5728\u5f39\u51fa\u7684\u5bf9\u8bdd\u6846\u4e2d\u52fe\u9009\u201cinclude bitstream\u201d\uff0c\u70b9\u51fb\u201cOK\u201d\u786e\u8ba4\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-20.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-24.png\")
<\/figure>\n\n\n\n2\uff09File\u2192Lauch SDK\uff0c\u5728\u5f39\u51fa\u7684\u5bf9\u8bdd\u6846\u4e2d\uff0c\u4fdd\u5b58\u9ed8\u8ba4\uff0c\u70b9\u51fb\u201cOK\u201d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-21.png\")
<\/figure>\n\n\n\n\u7cfb\u7edf\u5c06\u81ea\u52a8\u6253\u5f00SDK\u5f00\u53d1\u73af\u5883<\/p>\n\n\n\n
3\uff09\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u5de5\u7a0b,\u53ef\u4ee5\u53d6\u540d\u53ebLCD_VDMA_TEST<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/01\/image-18.png\")
<\/figure>\n\n\n\n4\uff09\u53f3\u952e\u5de5\u7a0b \u7684SRC\u76ee\u5f55\uff0c\u7136\u540e\u65b0\u5efa\u4e00\u4e2aSOURCE FILE\uff0c\u5e76\u53d6\u540dmain.c<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-28.png\")
<\/figure>\n\n\n\n5\uff09\u63a5\u4e0b\u6765\u5728\u6211\u4eec\u521b\u5efa\u7684main.c\u4e2d \u590d\u5236\u4ee5\u4e0b\u4ee3\u7801<\/p>\n\n\n\n
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include \"xil_types.h\"
#include \"xil_cache.h\"
#include \"xparameters.h\"
#include \"xaxivdma.h\"
#include \"xaxivdma_i.h\"
#include \"sleep.h\"
#define WIDTH 800
#define HEIGHT 480
#define VDMA_BASEADDR\tXPAR_AXI_VDMA_0_BASEADDR
#define VIDEO_BASEADDR0 0x01000000
#define VIDEO_BASEADDR1 VIDEO_BASEADDR0+WIDTH*HEIGHT*3
uint8_t *frame_buffer0 = (uint8_t *)VIDEO_BASEADDR0;
uint8_t *frame_buffer1 = (uint8_t *)VIDEO_BASEADDR1;
int main(void) {
Xil_Out32((VDMA_BASEADDR + 0x000), 0x00000001);
Xil_Out32((VDMA_BASEADDR + 0x05c), (uint32_t)frame_buffer0);
Xil_Out32((VDMA_BASEADDR + 0x060), (uint32_t)frame_buffer1);
Xil_Out32((VDMA_BASEADDR + 0x058), (WIDTH*3));
Xil_Out32((VDMA_BASEADDR + 0x054), (WIDTH*3));
Xil_Out32((VDMA_BASEADDR + 0x050), HEIGHT);
Xil_Out32((VDMA_BASEADDR + 0x028), 0X00000000);
unsigned int i, j;
for (i = 0; i < WIDTH; i++) {
for (j = 0; j < HEIGHT; j++) {
if(i<=WIDTH\/4){
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0x00;
}
else if(i<=WIDTH\/4*2){
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0x00;
}
else if(i<=WIDTH\/4*3){
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0xFF;
}
else {
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0xFF;
}
}
}
for (i = 0; i < WIDTH; i++) {
for (j = 0; j < HEIGHT; j++) {
if(j<=HEIGHT\/4){
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0x00;
}
else if(j<=HEIGHT\/4*2){
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0x00;
}
else if(j<=HEIGHT\/4*3){
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0xFF;
}
else {
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0xFF;
}
}
}
Xil_DCacheFlush();
while(1){
Xil_Out32((VDMA_BASEADDR + 0x028), 0x00000000);
sleep(1);
Xil_Out32((VDMA_BASEADDR + 0x028), 0x00000001);
sleep(1);
}
}<\/pre>\n\n\n\nVDMA\u914d\u7f6e\u90e8\u5206\u4ee3\u7801\u89e3\u8bfb\uff1a<\/strong><\/h2>\n\n\n\n\u672c\u6587\u4e2d\u6211\u4eec\u7684VDMA \u5e76\u6ca1\u6709\u7528\u5e93\u51fd\u6570\u6765\u8fdb\u884c\u914d\u7f6e\uff0c\u800c\u662f\u7528\u66f4\u7b80\u6d01\u7684Xil_Out32\u65b9\u5f0f\u6765\u8fdb\u884c\u521d\u59cb\u5316\u548c\u63a7\u5236\uff0c\u6211\u4eec\u5728BLOCK DESIGN \u4e2d\u5b9a\u4e49\u4e86VDMA\u7684\u7f13\u5b58\u67093\u4e2a\uff0c\u8fd9\u91cc\u6211\u4eec\u53ea\u7528\u4e24\u4e2a\u7f13\u5b58\u6765\u8fdb\u884c\u6f14\u793a\u3002<\/p>\n\n\n\n
1\uff09VDMA\u529f\u80fd\u4f7f\u80fd\uff08Start VDMA\uff09<\/p>\n\n\n\n
Xil_Out32((VDMA_BASEADDR + 0x000), 0x00000001);<\/pre>\n\n\n\n\u591a\u7f13\u5b58\u533a\u5b58\u5728\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u9632\u6b62\u753b\u9762\u7684\u6495\u88c2\uff0c<\/strong>\u6b63\u5e38\u60c5\u51b5\u4e0b\u56fe\u50cf\u4f1a\u5728\u4e0d\u540c\u7684\u7f13\u5b58\u4e2d\u6765\u56de\u5207\u6362\u5faa\u73af\uff0c\u8fd9\u91cc\u4e3a\u4e86\u65b9\u4fbf\u6f14\u793a\uff0c\u6211\u4eec\u7528\u4e0a\u9762\u7684\u4ee3\u7801\u6765\u4f7f\u80fdVDMA\u529f\u80fd\uff0c\u4f46\u662f\u4e0d\u5bf9\u7f13\u5b58\u56fe\u50cf\u8fdb\u884c\u5faa\u73af\uff0c\u5982\u9700\u8981\u5faa\u73af\uff0c\u53ef\u4ee5\u628a\u8fd9\u91cc\u7684BIT1\u62c9\u9ad8\uff0c\u5373\u6574\u4e2a\u3002\uff08\u8fd9\u4e2a\u5bc4\u5b58\u5668\u7684\u5176\u4ed6\u7684\u8be6\u7ec6\u529f\u80fd\u53ef\u4ee5\u67e5\u770bVDMA\u7684\u624b\u518cPG020\uff09<\/p>\n\n\n\n2\uff09 \u7f13\u5b58\u533a\u6620\u5c04\u5730\u5740\u8bbe\u7f6e<\/strong><\/p>\n\n\n\nXil_Out32((VDMA_BASEADDR + 0x05c), (uint32_t)frame_buffer0);
Xil_Out32((VDMA_BASEADDR + 0x060), (uint32_t)frame_buffer1);<\/pre>\n\n\n\nframe_buffer0<\/code> \u548cframe_buffer1<\/code>\u662f\u4e00\u4e2a\u6307\u5411\u5185\u5b58\u4e2d\u56fe\u50cf\u6570\u636e\u7f13\u51b2\u533a\u7684\u6307\u9488\u3002VDMA_BASEADDR +0x05c<\/code> \u662fVDMA_BASEADDR +0x060<\/code> \u7528\u6765\u8bbe\u7f6e \u6e90\u7f13\u51b2\u533a0\u548c1\u7684\u8d77\u59cb\u5730\u5740<\/strong>\u3002\u8fd9\u91cc\u7684 frame_buffer0<\/code>\u548cframe_buffer<\/code>1\u76f8\u5f53\u4e8e\u56fe\u50cf\u6570\u636e\u7684\u8d77\u59cb\u5730\u5740\uff0c\u8bbe\u7f6e\u540e\u610f\u5473\u7740 VDMA \u5c06\u4ece\u8fd9\u4e2a\u7f13\u51b2\u533a\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n3\uff09\u914d\u7f6e\u56fe\u50cf\u5bbd\u9ad8\u548c\u6bcf\u884c\u5b57\u8282\u6570<\/p>\n\n\n\n
Xil_Out32((VDMA_BASEADDR + 0x058), (WIDTH*3));\nXil_Out32((VDMA_BASEADDR + 0x054), (WIDTH*3));\nXil_Out32((VDMA_BASEADDR + 0x050), HEIGHT);<\/pre>\n\n\n\n\u8fd9\u4e09\u53e5\u4ee3\u7801\u914d\u7f6e\u4e86 VDMA \u63a7\u5236\u5668\u7684\u56fe\u50cf\u5c3a\u5bf8\u548c\u6570\u636e\u4f20\u8f93\u53c2\u6570\u3002\u9996\u5148\uff0cVDMA_BASEADDR + 0x058<\/code> \u548c VDMA_BASEADDR + 0x054<\/code> \u88ab\u8bbe\u7f6e\u4e3a WIDTH * 3<\/code>\uff0c\u6307\u5b9a\u6bcf\u4e00\u884c\u56fe\u50cf\u6570\u636e\u7684\u5b57\u8282\u6570\uff08\u56e0\u4e3a\u6bcf\u4e2a\u50cf\u7d20\u5305\u542b 3 \u4e2a\u989c\u8272\u901a\u9053\uff1aRGB\uff0c\u6240\u4ee5\u8fd9\u91cc\u8981x3\uff09\u3002\u7136\u540e\uff0cVDMA_BASEADDR + 0x050<\/code> \u88ab\u8bbe\u7f6e\u4e3a\u56fe\u50cf\u7684\u9ad8\u5ea6 HEIGHT<\/code>\uff0c\u786e\u5b9a\u56fe\u50cf\u7684\u884c\u6570\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u786e\u4fdd VDMA \u63a7\u5236\u5668\u53ef\u4ee5\u6b63\u786e\u5730\u6309\u884c\u8bfb\u53d6\u548c\u4f20\u8f93\u56fe\u50cf\u6570\u636e\u3002<\/p>\n\n\n\nVDMA\u56fe\u50cf\u7f13\u51b2\u533a\u7684\u586b\u5145<\/strong><\/h2>\n\n\n\nfor (i = 0; i < WIDTH; i++) {
for (j = 0; j < HEIGHT; j++) {
if (i <= WIDTH \/ 4) {
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0x00;
} else if (i <= WIDTH \/ 4 * 2) {
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0x00;
} else if (i <= WIDTH \/ 4 * 3) {
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0xFF;
} else {
frame_buffer0[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer0[(j * WIDTH + i) * 3 + 0] = 0xFF;
}
}
}
for (i = 0; i < WIDTH; i++) {
for (j = 0; j < HEIGHT; j++) {
if (j <= HEIGHT \/ 4) {
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0x00;
} else if (j <= HEIGHT \/ 4 * 2) {
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0x00;
} else if (j <= HEIGHT \/ 4 * 3) {
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0x00;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0xFF;
} else {
frame_buffer1[(j * WIDTH + i) * 3 + 2] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 1] = 0xFF;
frame_buffer1[(j * WIDTH + i) * 3 + 0] = 0xFF;
}
}
}<\/pre>\n\n\n\n\u8fd9\u4e24\u6bb5\u4ee3\u7801\u5206\u522b\u586b\u5145\u4e86 frame_buffer0<\/code> \u548c frame_buffer1<\/code> \u4e24\u4e2a\u56fe\u50cf\u7f13\u51b2\u533a\uff0c\u7528\u4e8e\u751f\u6210\u4e24\u4e2a\u4e0d\u540c\u7684\u989c\u8272\u533a\u57df\u3002<\/p>\n\n\n\n\n- \u5728\u7b2c\u4e00\u6bb5\u4ee3\u7801\u4e2d\uff0c
frame_buffer0<\/code> \u88ab\u5206\u4e3a\u56db\u4e2a\u5782\u76f4\u7684\u533a\u57df\uff1a\u5de6\u4fa7 1\/4 \u7684\u533a\u57df\u4e3a\u7ea2\u8272\uff0c\u63a5\u4e0b\u6765\u7684 1\/4 \u4e3a\u7eff\u8272\uff0c\u63a5\u4e0b\u6765\u7684 1\/4 \u4e3a\u84dd\u8272\uff0c\u6700\u540e\u7684 1\/4 \u4e3a\u767d\u8272\u3002<\/li>\n\n\n\n- \u7b2c\u4e8c\u6bb5\u4ee3\u7801\u5219\u4e3a
frame_buffer1<\/code> \u586b\u5145\u7c7b\u4f3c\u7684\u989c\u8272\u533a\u57df\uff0c\u4f46\u8fd9\u6b21\u662f\u6309\u6c34\u5e73\u5206\u5272\u7684\uff1a\u4e0a\u65b9 1\/4 \u4e3a\u7ea2\u8272\uff0c\u4e0b\u65b9\u7684 1\/4 \u4e3a\u7eff\u8272\uff0c\u63a5\u4e0b\u6765\u7684 1\/4 \u4e3a\u84dd\u8272\uff0c\u6700\u540e 1\/4 \u4e3a\u767d\u8272\u3002<\/li>\n<\/ul>\n\n\n\n\u56e0\u6b64\uff0c\u6700\u7ec8 frame_buffer0<\/code> \u663e\u793a\u7684\u662f\u4e00\u4e2a\u7531\u56db\u4e2a\u7ad6\u76f4\u8272\u5757\u7ec4\u6210\u7684\u56fe\u50cf\uff0c\u800c frame_buffer1<\/code> \u663e\u793a\u7684\u662f\u4e00\u4e2a\u7531\u56db\u4e2a\u6c34\u5e73\u8272\u5757\u7ec4\u6210\u7684\u56fe\u50cf\u3002<\/p>\n\n\n\n
![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-4-1024x678.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-1.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/02\/image.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-2.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-3.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/01\/image-92.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-7-1024x519.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/10\/image-22-1024x531.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-12.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-22.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/10\/image-95-1024x399.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-2.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-8-1024x766.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-4.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-7.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-9.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-26-1024x746.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-5-1024x860.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-9-1024x487.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-21.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-23-1024x601.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-25.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-26-1024x349.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-27-1024x566.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-12-1024x456.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-13-1024x413.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-14-1024x544.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-27.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-16.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/a15fedbf249d950409eadfee8f70df6b.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-43-1024x272.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-44.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-17-1024x552.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-18-1024x468.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-45-1024x455.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/05\/image-35.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-14.png\")
<\/figure>\n\n\n\n![\"\u6b64\u56fe\u7247\u7684](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/07\/image-5.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/12\/image-29-1024x346.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/08\/image-42.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-40.png\")
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<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/10\/image-51.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/10\/image-39.png\")
<\/figure>\n\n\n\n