{"id":2738,"date":"2023-01-24T13:42:47","date_gmt":"2023-01-24T05:42:47","guid":{"rendered":"http:\/\/www.hellofpga.com\/?p=2738"},"modified":"2023-02-18T11:23:34","modified_gmt":"2023-02-18T03:23:34","slug":"smart_zynq_vdma_3","status":"publish","type":"post","link":"http:\/\/www.hellofpga.com\/index.php\/2023\/01\/24\/smart_zynq_vdma_3\/","title":{"rendered":"Smart ZYNQ\u677f \u5de5\u7a0b\u4e8c\u5341\u4e94 \u7528VDMA\u6a21\u5757\u6765\u7f13\u5b58\u56fe\u50cf\u5e76\u5728HDMI\u4e0a\u663e\u793a\uff08\u4e09\uff09\u663e\u793aTF\u5361\u4e0a\u7684BMP\u683c\u5f0f\u56fe\u7247"},"content":{"rendered":"\n<p>\u672c\u8282\u4f5c\u4e3a\u524d\u4e24\u8282\u7684\u8865\u5145\uff0c\u5c06TF\u5361\u4e0a\u7684\u56fe\u7247\u901a\u8fc7VDMA\u7684\u65b9\u5f0f\u663e\u793a\u5728HDMI\u8bbe\u5907\u4e0a\uff0c\u4f5c\u4e3aVDMA\u7684\u5b9e\u6218\u6f14\u7ec3<\/p>\n\n\n\n<p><strong>\u56e0\u4e3a\u672c\u6587\u5185\u5bb9\u548c\u524d\u4e24\u8282\u6709\u5927\u91cf\u7684\u91cd\u590d\u96f7\u540c\u5de5\u4f5c\uff0c\u6240\u4ee5\u672c\u8282\u53ea\u4ecb\u7ecd\u5173\u952e\u7684\u51e0\u4e2a\u5730\u65b9\uff0c\u9700\u8981\u770b\u8be6\u7ec6\u5de5\u7a0b\u521b\u5efa\u7684\u8bf7\u770b VDMA\u7684\u7b2c\u4e00\u548c\u7b2c\u4e8c\u8282\u5185\u5bb9<\/strong><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u5de5\u7a0b\u5747\u5728vivado2018.3\u4e0b\u5b9e\u73b0\uff0c\u5176\u4ed6\u7248\u672c\u8bf7\u81ea\u884c\u5c1d\u8bd5<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VIVADO\u5de5\u7a0b\u7684\u4fee\u6539<\/h2>\n\n\n\n<p>vivado \u5728blockdesign\u91cc \u4f7f\u80fdSD\u529f\u80fd\uff0c\uff08\u4e4b\u524d\u4e24\u4e2a\u5de5\u7a0b\u5176\u5b9e\u5df2\u7ecf\u505a\u4e86\u8fd9\u4e00\u6b65\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"603\" height=\"326\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-73.png\" alt=\"\" class=\"wp-image-2133\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-73.png 603w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-73-300x162.png 300w\" sizes=\"auto, (max-width: 603px) 100vw, 603px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">SDK\u90e8\u5206\u7684\u4fee\u6539<\/h2>\n\n\n\n<p>\u63a5\u4e0b\u6765SDK\u90e8\u5206\u6211\u4eec\u4f5c\u5982\u4e0b\u4fee\u6539\uff0c \u56e0\u4e3a\u6211\u4eec\u8981\u52a0\u8f7dTF\u5361\uff0c\u800cTF\u5361\u7684\u683c\u5f0f\u662fFAT32\u7684\uff0c\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u52a0\u8f7dFatFs\u5e93\uff0cxilinx\u5df2\u7ecf\u5e2e\u6211\u4eec\u96c6\u6210\u4e86\u8fd9\u90e8\u5206\u5e93\u7684\u529f\u80fd\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4f7f\u80fd\u529f\u80fd\u5c31\u597d\uff0c\u64cd\u4f5c\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"854\" height=\"268\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-70.png\" alt=\"\" class=\"wp-image-2130\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-70.png 854w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-70-300x94.png 300w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-70-768x241.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>\u6dfb\u52a0 XILFFS \u5e93<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"709\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-71.png\" alt=\"\" class=\"wp-image-2131\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-71.png 739w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-71-300x288.png 300w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/figure>\n\n\n\n<p>\u63a5\u4e0b\u6765\u9700\u8981\u4f7f\u80fd \u6587\u4ef6\u540d\u79f0\u7684\u529f\u80fd \u9ed8\u8ba4\u662f\u5173\u95ed\u7684<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"822\" height=\"348\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-72.png\" alt=\"\" class=\"wp-image-2132\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-72.png 822w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-72-300x127.png 300w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-72-768x325.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u7801\u7684\u7f16\u5199<\/h2>\n\n\n\n<p>\u590d\u5236\u4ee5\u4e0b\u4ee3\u7801\u5230main.c\u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;string.h&gt;\n#include \"xil_types.h\"\n#include \"xil_cache.h\"\n#include \"xparameters.h\"\n#include \"xaxivdma.h\"\n#include \"xaxivdma_i.h\"\n#include \"ff.h\"\n#include \"sleep.h\"\n\n\n\nvoid load_sd_bmp(u8 *frame,unsigned char mode);\n\nvoid load_sd_bmp(u8 *frame,unsigned char mode)\n{\n\tstatic \tFATFS fatfs;\n\tFIL \tfil;\n\tu8\t\tbmp_head[54];\n\tUINT \t*bmp_width,*bmp_height;\n\tUINT \tbr;\n\tint \ti;\n\n\t\/\/\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\n\tf_mount(&amp;fatfs,\"\",1);\n\t\/\/\u6253\u5f00\u6587\u4ef6\n\tif(mode==0)f_open(&amp;fil,\"C.bmp\",FA_READ);\n\telse f_open(&amp;fil,\"D.bmp\",FA_READ);\n\t\/\/\u79fb\u52a8\u6587\u4ef6\u8bfb\u5199\u6307\u9488\u5230\u6587\u4ef6\u5f00\u5934\n\tf_lseek(&amp;fil,0);\n\t\/\/\u8bfb\u53d6BMP\u6587\u4ef6\u5934\n\tf_read(&amp;fil,bmp_head,54,&amp;br);\n\n\t\/\/\u6253\u5370BMP\u56fe\u7247\u5206\u8fa8\u7387\u548c\u5927\u5c0f\n\tbmp_width  = (UINT *)(bmp_head + 0x12);\n\tbmp_height = (UINT *)(bmp_head + 0x16);\n\t\/\/\u8bfb\u51fa\u56fe\u7247\uff0c\u5199\u5165DDR\n\tfor(i=*bmp_height-1;i&gt;=0;i--){\n\t\tf_read(&amp;fil,frame+i*(*bmp_width)*3,(*bmp_width)*3,&amp;br);\n\t}\n\n\t\/\/\u5173\u95ed\u6587\u4ef6\n\tf_close(&amp;fil);\n\t\n\tXil_DCacheFlush();     \/\/\u5237\u65b0Cache\uff0c\u6570\u636e\u66f4\u65b0\u81f3DDR3\u4e2d\n}\n\n\n#define H_STRIDE\t1280\n#define H_ACTIVE\t1280\n#define V_ACTIVE\t720\n\n#define VDMA_BASEADDR\tXPAR_AXI_VDMA_0_BASEADDR\n\n#define VIDEO_BASEADDR0 0x01000000\/\/\u5e27\u5b580\u5730\u5740\n#define VIDEO_BASEADDR1 0x02000000\/\/\u5e27\u5b581\u5730\u5740\n\nvoid VDMA_init(){\n\tXil_Out32((VDMA_BASEADDR + 0x000), 0x3); \t\t\/\/ enable circular mode\n\tXil_Out32((VDMA_BASEADDR + 0x05c), VIDEO_BASEADDR0); \t\/\/ start address\n\tXil_Out32((VDMA_BASEADDR + 0x060), VIDEO_BASEADDR0); \t\/\/ start address\n\tXil_Out32((VDMA_BASEADDR + 0x064), VIDEO_BASEADDR0); \t\/\/ start address\n\tXil_Out32((VDMA_BASEADDR + 0x058), (H_STRIDE*3)); \t\t\/\/ h offset (H_STRIDE * 3) bytes\n\tXil_Out32((VDMA_BASEADDR + 0x054), (H_ACTIVE*3)); \t\t\/\/ h size (H_ACTIVE * 3) bytes\n\tXil_Out32((VDMA_BASEADDR + 0x050),  V_ACTIVE); \t\t\t\/\/ v size (V_ACTIVE)\n}\n\nint main(void)\n{\n\t\tload_sd_bmp((u8*)VIDEO_BASEADDR0,0);\n\t\tload_sd_bmp((u8*)VIDEO_BASEADDR1,1);\n\t\tVDMA_init();\n\n\twhile(1){\n\n\t\tXil_Out32((VDMA_BASEADDR + 0x05c), VIDEO_BASEADDR0); \t\/\/ start address\n\t\tXil_Out32((VDMA_BASEADDR + 0x060), VIDEO_BASEADDR0); \t\/\/ start address\n\t\tXil_Out32((VDMA_BASEADDR + 0x064), VIDEO_BASEADDR0); \t\/\/ start address\n\t\tXil_Out32((VDMA_BASEADDR + 0x058), (H_STRIDE*3)); \t\t\/\/ h offset (H_STRIDE * 3) bytes\n\t\tXil_Out32((VDMA_BASEADDR + 0x054), (H_ACTIVE*3)); \t\t\/\/ h size (H_ACTIVE * 3) bytes\n\t\tXil_Out32((VDMA_BASEADDR + 0x050),  V_ACTIVE); \t\t\t\/\/ v size (V_ACTIVE)\n\n\t\tsleep(1);\n\n\t\tXil_Out32((VDMA_BASEADDR + 0x05c), VIDEO_BASEADDR1); \t\/\/ start address\n\t\tXil_Out32((VDMA_BASEADDR + 0x060), VIDEO_BASEADDR1); \t\/\/ start address\n\t\tXil_Out32((VDMA_BASEADDR + 0x064), VIDEO_BASEADDR1); \t\/\/ start address\n\t\tXil_Out32((VDMA_BASEADDR + 0x058), (H_STRIDE*3)); \t\t\/\/ h offset (H_STRIDE * 3) bytes\n\t\tXil_Out32((VDMA_BASEADDR + 0x054), (H_ACTIVE*3)); \t\t\/\/ h size (H_ACTIVE * 3) bytes\n\t\tXil_Out32((VDMA_BASEADDR + 0x050),  V_ACTIVE); \t\t\t\/\/ v size (V_ACTIVE)\n\t\tsleep(1);\n\t}\n    return 0;\n}<\/pre>\n\n\n\n<p>\u4ee3\u7801\u975e\u5e38\u597d\u7406\u89e3\uff0cload_sd_bmp \u5b9e\u73b0\u7684\u529f\u80fd\u662f\u6302\u8f7dTF\u5361\uff0c\u5e76\u4e14\u6839\u636emode\u7684\u503c\u6765\u8bfb\u53d6TF\u5361\u4e2d\u5bf9\u5e94\u540d\u79f0\u7684\u56fe\u7247\uff0c\u5e76\u5c06\u56fe\u7247\u7684\u5185\u5bb9\u5b58\u5165\u5bf9\u5e94\u7684DDR\u5730\u5740\u5185\u3002\uff08mode \u662f\u6211\u81ea\u5df1\u52a0\u5165\u7684\uff0c\u901a\u8fc7mode\u7684\u503c\u7684\u5927\u5c0f\u5206\u522b\u8f7d\u5165\u4e24\u5f20\u4e0d\u540c\u7684\u56fe\u7247\uff0c\u6700\u7ec8\u5728\u4e3b\u51fd\u6570\u91cc\u5b9e\u73b0\u4e24\u5f20\u56fe\u7247\u663e\u793a\u7684\u52a8\u6001\u5207\u6362\uff09<\/p>\n\n\n\n<p>VIDEO_BASEADDR0\uff0c\u548cVIDEO_BASEADDR1\u5206\u522b\u5bf9\u5e94\u4e24\u5e27\u7684\u7f13\u5b58\u5730\u5740\uff08\u53ea\u8981\u4e24\u4e2a\u5e27\u4e4b\u95f4\u7684\u5730\u5740\u76f8\u5dee\u7684\u4f4d\u7f6e\u53ef\u4ee5\u8c03\u6574\uff0c\u53ea\u8981\u4e0d\u8981\u5f7c\u6b64\u76f8\u4e92\u6709\u4ea4\u96c6\u4ea7\u751f\u5185\u5b58\u76f8\u4e92\u5f71\u54cd\u5c31\u53ef\u4ee5\u4e86\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#define VIDEO_BASEADDR0 0x01000000\/\/\u5e27\u5b580\u5730\u5740\n#define VIDEO_BASEADDR1 0x02000000\/\/\u5e27\u5b581\u5730\u5740<\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"674\" height=\"153\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-77.png\" alt=\"\" class=\"wp-image-2144\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-77.png 674w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-77-300x68.png 300w\" sizes=\"auto, (max-width: 674px) 100vw, 674px\" \/><\/figure>\n\n\n\n<p>VDMA \u7684\u521d\u59cb\u5316\uff0c\u56e0\u4e3a\u4e4b\u524d\u6211\u4eec\u5728VIVADO \u7684blockdesign \u91cc\u8bbe\u8ba1\u7684VDMA\u7f13\u5b58\u67093\u4e2a\uff0c\u6240\u4ee5\u8fd9\u91cc\u9700\u8981\u540c\u65f6\u5b9a\u4e493\u4e2a\u7f13\u5b58\u533a\u5bf9\u5e94\u7684DDR\u4e0a\u7684\u5730\u5740\u6620\u5c04\uff08\u4e3a\u4e86\u65b9\u4fbf\u6f14\u793a\uff0c\u6211\u4eec\u8fd9\u91cc\u5c063\u4e2a\u7f13\u5b58\u533a\u6620\u5c04\u5230\u540c\u4e00\u4e2aDDR\u533a\uff09<\/p>\n\n\n\n<p><strong>\u5907\u6ce8 \u591a\u7f13\u5b58\u533a\u5b58\u5728\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u9632\u6b62\u753b\u9762\u7684\u6495\u88c2\uff0c\u4f46\u662fVDMA\u4f1a\u5728\u591a\u4e2a\u7f13\u5b58\u533a\u4e2d\u5faa\u73af\u7684\u663e\u793a\u5185\u5bb9\uff0c\u6bd4\u65b9\u8bf4\u5982\u679c\u6211\u4eec\u8fd9\u91cc\u8bbe\u7f6e\u62103\u4e2a\u7f13\u5b58\u533a\u5730\u5740\u4e0d\u540c\u7684\u8bdd\uff0c\u5b9e\u9645\u6211\u4eec\u4fee\u6539\u4e86\u5176\u4e2d\u4e00\u5e27\u7684\u5185\u5bb9\u4f1a\u9020\u6210\uff0c3\u5e27\u4e2d\u7684\u4e00\u5e27\u4e0d\u4e00\u81f4\uff0c\u5bfc\u81f4\u753b\u9762\u53e6\u5916\u4e24\u5e27\u8fd8\u662f\u539f\u5148\u7684\u5185\u5bb9\uff0c\u7136\u540e\u753b\u9762\u5feb\u901f\u4e09\u5e27\u5faa\u73af\uff0c\u6548\u679c\u5c31\u662f\u4e0d\u505c\u7684\u5207\u6362\u95ea\u70c1\uff0c \u6240\u4ee5\u8fd9\u91cc\u4e3a\u4e86\u65b9\u4fbf\u6f14\u793a\u5c06VDMA\u4e09\u4e2a\u7f13\u5b58\u533a\u6620\u5c04\u5230\u76f8\u540c\u7684\u5730\u5740\u8fdb\u884c\u6f14\u793a\uff08\u7b49\u6548\u4e8eVDMA \u53ea\u6709\u4e00\u5e27\u7684\u6548\u679c\uff09<\/strong><\/p>\n\n\n\n<p>\u4e3b\u7a0b\u5e8f\u91cc \u52a0\u8f7d\u4e24\u5f20\u7167\u7247\u5206\u522b\u5230VIDEO_BASEADDR0\u5185\u5b58\u533a\u57df\uff0c\u548cVIDEO_BASEADDR1\u5185\u5b58\u533a\u57df\uff0c\u5e76\u5b8c\u6210VDMA\u521d\u59cb\u5316<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\t\tload_sd_bmp((u8*)VIDEO_BASEADDR0,0);\n\t\tload_sd_bmp((u8*)VIDEO_BASEADDR1,1);\n\t\tVDMA_init();<\/pre>\n\n\n\n<p>\u4e3b\u5faa\u73af\u4e5f\u5f88\u7b80\u5355\uff0c\u901a\u8fc7\u8c03\u6574VDMA \u5e27\u7f13\u5b58\u7684\u6620\u5c04\u5730\u5740\uff08\u8fd9\u4e9b\u5730\u5740\u5728\u4e4b\u524d\u5df2\u5b58\u5165TF\u56fe\u7247\u4fe1\u606f\uff09\uff0c\u6765\u5b9e\u73b0HDMI\u4e0d\u540c\u753b\u9762\u7684\u5207\u6362<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"708\" height=\"300\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-76.png\" alt=\"\" class=\"wp-image-2142\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-76.png 708w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-76-300x127.png 300w\" sizes=\"auto, (max-width: 708px) 100vw, 708px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0a\u673a\u8c03\u8bd5<\/h2>\n\n\n\n<p>\u4e4b\u540e\u5728\u7535\u8111\u4e0a\u63d2\u5165FAT32\u683c\u5f0f\u7684TF\u5361\uff0c\u5e76\u5c06\u4e0b\u5217\u6587\u4ef6\u4e0b\u8f7d\u5e76\u89e3\u538b\u5e76\u5b58\u5165TF\u5361\u7684\u6839\u76ee\u5f55\uff08\u5207\u8bb0 TF\u5361\u5fc5\u987b\u4e3afat32\u683c\u5f0f\uff09<\/p>\n\n\n\n<p><a href=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image.zip\">\u6d4b\u8bd5\u56fe\u7247 image<\/a><a href=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image.zip\">\u4e0b\u8f7d<\/a><\/p>\n\n\n\n<p>\u5176\u4e2dA,B\u662f1080P\u7684BMP,C,D\u662f720P\u7684BMP\u56fe\u7247\u6587\u4ef6<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"479\" height=\"277\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-74.png\" alt=\"\" class=\"wp-image-2135\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-74.png 479w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-74-300x173.png 300w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"495\" height=\"271\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-75.png\" alt=\"\" class=\"wp-image-2136\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-75.png 495w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/12\/image-75-300x164.png 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" 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