{"id":393,"date":"2025-03-19T13:35:14","date_gmt":"2025-03-19T13:35:14","guid":{"rendered":"https:\/\/www.regfine.cn\/?p=393"},"modified":"2025-03-19T13:42:25","modified_gmt":"2025-03-19T13:42:25","slug":"gjaxisuart-%e8%a7%84%e4%bd%b3axis-uart","status":"publish","type":"post","link":"https:\/\/www.regfine.cn\/?p=393","title":{"rendered":"GjAxisUart \u89c4\u4f73Axis Uart"},"content":{"rendered":"\n<p>\u4e00\u4e2aaixs\u63a5\u53e3\u7684uart ip\u3002<\/p>\n\n\n\n<p>\u5404\u6a21\u5757\u57fa\u672c\u5b8c\u6210\uff0c\u901a\u8fc7\u6b63\u5e38\u4eff\u771f\uff0c\u5f02\u5e38\u672a\u4eff\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E7%89%B9%E6%80%A7\">\u7279\u6027<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ce2\u7279\u7387\u53ef\u914d\u7f6e<\/li>\n\n\n\n<li>\u5947\u5076\u6821\u9a8c<\/li>\n\n\n\n<li>\u505c\u6b62\u4f4d1\u30012bit\u53ef\u914d<\/li>\n\n\n\n<li>axis\u63a5\u53e3\uff0ccpu\u4f7f\u7528dma\u63a5\u6536\u53d1\u9001<\/li>\n\n\n\n<li>\u63a5\u6536\u81ea\u52a8\u7ec4\u5305\u914d\u7f6e\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e\u6700\u5927\u5e27\u957f\uff0c\u63d0\u4ea4\u4e00\u5e27<\/li>\n\n\n\n<li>\u914d\u7f6e\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u63d0\u4ea4\u4e00\u5e27<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E7%BB%93%E6%9E%84\">\u7ed3\u6784<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/file+.vscode-resource.vscode-cdn.net\/media\/kejie\/works\/00_prjs\/02_gitHub\/gj\/gjAxisUart\/00_doc\/gjUartBlock.jpg\" alt=\"gjUartBlock\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gjaxisuartregs\">gjAxisUartRegs<\/h3>\n\n\n\n<p>\u5bc4\u5b58\u5668\u6a21\u5757\uff0c\u56e0\u5bc4\u5b58\u5668\u6570\u91cf\u5c11\uff0c\u5c06\u5404\u4e2a\u6a21\u5757\u5bc4\u5b58\u5668\u5b58\u653e\u6b64\u6a21\u5757\u3002 \u8bb0\u5f55\u63a5\u6536\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gjaxisuartbaudrate\">gjAxisUartBaudrate<\/h3>\n\n\n\n<p>\u6ce2\u7279\u7387\u4ea7\u751f\u6a21\u5757\uff0c\u6839\u636e\u8f6f\u4ef6\u914d\u7f6e\u7684\u6ce2\u7279\u7387\uff0c\u4ea7\u751f\u76f8\u5e94\u7684\u65f6\u949f\u4f7f\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gjaxisuarttx\">gjAxisUartTx<\/h3>\n\n\n\n<p>\u53d1\u9001\u6a21\u5757\uff0c\u6839\u636e\u534f\u8bae\uff0c\u4ea7\u751ftx\u6ce2\u5f62\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gjaxisuartrx\">gjAxisUartRx<\/h3>\n\n\n\n<p>\u63a5\u6536\u6a21\u5757\uff0c\u6839\u636e\u534f\u8bae\uff0c\u63a5\u6536rx\uff0c\u4ea7\u751faxis\u4fe1\u53f7\uff0c\u53ca\u9519\u8bef\u4fe1\u53f7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gjaxisuartrcvpkt\">gjAxisUartRcvPkt<\/h3>\n\n\n\n<p>\u5bf9\u63a5\u6536\u7684\u6570\u636e\uff0c\u6839\u636e\u8bbe\u5b9a\u7684\u6700\u5927\u5305\u6570\u91cf\uff0c\u6700\u5927\u5e27\u95f4\u9694\uff0c\u8fdb\u884c\u7ec4\u5305\uff08\u4ea7\u751f\u63a5\u6536tlast\u4fe1\u53f7\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E6%8E%A5%E5%8F%A3%E6%8F%8F%E8%BF%B0\">\u63a5\u53e3\u63cf\u8ff0<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u540d\u79f0<\/th><th>\u8f93\u5165\u8f93\u51fa<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>rst<\/td><td>I<\/td><td>\u540c\u6b65\u590d\u4f4d<\/td><\/tr><tr><td>clk<\/td><td>I<\/td><td>\u65f6\u949f<\/td><\/tr><tr><td>___________________<\/td><td>___<\/td><td>___________________<\/td><\/tr><tr><td>tx_axis_tvalid<\/td><td>I<\/td><td>\u53d1\u9001axis \u90e8\u4efd<\/td><\/tr><tr><td>tx_axis_tready<\/td><td>O<\/td><td><\/td><\/tr><tr><td>tx_axis_tdata[7:0]<\/td><td>I<\/td><td><\/td><\/tr><tr><td>tx_axis_tlast<\/td><td>I<\/td><td>\u7528\u6765\u63a7\u5236\u5e27\u95f4\u9694<\/td><\/tr><tr><td>___________________<\/td><td>___<\/td><td>___________________<\/td><\/tr><tr><td>rx_axis_tvalid<\/td><td>O<\/td><td>\u63a5\u6536axis \u90e8\u4efd<\/td><\/tr><tr><td>rx_axis_tdata[7:0]<\/td><td>O<\/td><td><\/td><\/tr><tr><td>rx_axis_tlast<\/td><td>O<\/td><td><\/td><\/tr><tr><td>___________________<\/td><td>____<\/td><td>___________________<\/td><\/tr><tr><td>bram_en<\/td><td>I<\/td><td>bram\u914d\u7f6e\u90e8\u4efd<\/td><\/tr><tr><td>bram_addr[3:0]<\/td><td>I<\/td><td>\u65f6\u5e8f\u540c Xilinx Bram<\/td><\/tr><tr><td>bram_we[3:0]<\/td><td>I<\/td><td>\u53ef\u63a5Xilinx Axi2bram ip<\/td><\/tr><tr><td>bram_wdata[31:0]<\/td><td>I<\/td><td><\/td><\/tr><tr><td>bram_rdata[31:0]<\/td><td>O<\/td><td>rdata\u5728en\u6709\u6548\u4e0b\u4e00\u5468\u671f\u6709\u6548<\/td><\/tr><tr><td>___________________<\/td><td>____<\/td><td>___________________<\/td><\/tr><tr><td>tx<\/td><td>O<\/td><td>uart\u53d1\u9001<\/td><\/tr><tr><td>txEn<\/td><td>O<\/td><td>uart\u53d1\u9001\u4f7f\u80fd\uff0c\u9ad8\u6709\u6548\uff0c\u7528\u4e8e485<\/td><\/tr><tr><td>rx<\/td><td>I<\/td><td>uart\u63a5\u6536<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u65e0\u4e2d\u65ad\u4ea7\u751f\uff0c\u4e2d\u65ad\u8bf7\u4f7f\u7528dma\u4e2d\u65ad\uff0c\u6216\u8005\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d1\u9001\u4f7f\u7528tx_axis_tvalid&amp; tx_axis_tready &amp; tx_axis_tlast<\/li>\n\n\n\n<li>\u63a5\u6536\u4f7f\u7528rx_axis_tvalid&amp; rx_axis_tready &amp; rx_axis_tlast<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E5%AF%84%E5%AD%98%E5%99%A8%E5%88%97%E8%A1%A8\">\u5bc4\u5b58\u5668\u5217\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5730\u5740\u504f\u79fb<\/th><th>\u540d\u79f0<\/th><th>\u8bfb\u5199<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>0x00<\/td><td>ctrl<\/td><td>RW<\/td><td>\u5de5\u4f5c\u63a7\u5236<br><code>[0]\u5de5\u4f5c\u4f7f\u80fd<\/code><br><code>1:\u5de5\u4f5c<\/code><br><code>0:\u4f11\u7720<\/code><br><code>[1] \u590d\u4f4d\u72b6\u6001\u6807\u8bc6\uff0c\u53ea\u8bfb<\/code><br><code>1:\u4f11\u7720\u4e2d<\/code><br><code>0:\u6b63\u5e38<\/code><\/td><\/tr><tr><td>0x01<\/td><td>mode<\/td><td>RW<\/td><td>\u5de5\u4f5c\u6a21\u5f0f<br><code>[0] 1:2\u4e2a\u505c\u6b62\u4f4d<\/code><br><code>0:1\u4e2a\u505c\u6b62\u4f4d<\/code><br><code>[1] 1:\u5947\u6821\u9a8c<\/code><br><code>[2] 1:\u5076\u6821\u9a8c<\/code><br><code>[3] 1:\u4f7f\u80fd\u5e27\u95f4\u9694<\/code><br><code>0:\u4e0d\u4f7f\u80fd\u5e27\u95f4\u9694<\/code><\/td><\/tr><tr><td>0x02<\/td><td>clkDivX16 [15:0]<\/td><td>RW<\/td><td>16\u500d\u6ce2\u7279\u7387\u7684\u8ba1\u6570\u5468\u671f \uff0cclkDivX16=clkHz\/16\/\u6ce2\u7279\u7387<\/td><\/tr><tr><td>0x04<\/td><td>txByte_nop [15:0]<\/td><td>RW<\/td><td>\u53d1\u90011\u5b57\u8282\u7b49\u5f85bit\u6570\u91cf<\/td><\/tr><tr><td>0x06<\/td><td>txFrame_nop[15:0]<\/td><td>RW<\/td><td>\u53d1\u90011\u5e27\u7b49\u5f85bit\u6570\u91cf<\/td><\/tr><tr><td>0x08<\/td><td>maxRcvGap[15:0]<\/td><td>RW<\/td><td>\u4e00\u5e27\u4e2d\u5b57\u8282\u95f4\u6700\u5927\u95f4\u9694bit\u6570\u91cf\uff0c\u4e5f\u662f\u4e00\u5e27\u95f4\u9694\u7684\u6700\u5c0fbit\u6570\u91cf<\/td><\/tr><tr><td>0x0c<\/td><td>maxBytesPerFrame[23:0]<\/td><td>RW<\/td><td>\u4e00\u5e27\u6700\u5927\u5b57\u8282\u6570<\/td><\/tr><tr><td>0x10<\/td><td>txBytes[31:0]<\/td><td>R<\/td><td>\u53d1\u9001\u5b57\u8282\u603b\u6570<\/td><\/tr><tr><td>0x14<\/td><td>txBytes[31:0]<\/td><td>R<\/td><td>\u63a5\u6536\u5b57\u8282\u603b\u6570<\/td><\/tr><tr><td>0x18<\/td><td>txBytes[31:0]<\/td><td>R<\/td><td>\u63a5\u6536\u6821\u9a8c\u9519\u8bef\u5b57\u8282\u603b\u6570<\/td><\/tr><tr><td>0x1c<\/td><td>txBytes[31:0]<\/td><td>R<\/td><td>\u63a5\u6536\u9519\u8bef\u4f7f\u80fd\u603b\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E4%BB%A3%E7%A0%81\">\u4ee3\u7801<\/h2>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\u5728 Windows \u4e0e Linux \u4e0b\u5747\u53ef\u6784\u5efa\u3002<br>Verilog HDL\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"%E4%BE%9D%E8%B5%96%E5%B7%A5%E5%85%B7\">\u4f9d\u8d56\u5de5\u5177<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/bleyer.org\/icarus\/\">iverilog<\/a>\uff08\u7528\u4e8e\u4eff\u771f\uff09<\/li>\n\n\n\n<li><a href=\"https:\/\/www.amd.com\/en\/products\/software\/adaptive-socs-and-fpgas\/vivado.html\">Vivado<\/a>\uff08\u7528\u4e8e\u6784\u5efa Xilinx FPGA \u5de5\u7a0b\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E4%BB%BF%E7%9C%9F\">\u4eff\u771f<\/h2>\n\n\n\n<p>\u5230tb\u76ee\u5f55\u4e0b\u8fd0\u884c make \u8fdb\u884c\u4eff\u771f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd 02_tb\nmake\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E5%B7%B2%E9%AA%8C%E8%AF%81-fpga-%E6%9D%BF%E5%8D%A1\">\u5df2\u9a8c\u8bc1 FPGA \u677f\u5361<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"%E6%9E%84%E5%BB%BA%E7%A4%BA%E4%BE%8B%E4%BB%A3%E7%A0%81\">\u6784\u5efa\u793a\u4f8b\u4ee3\u7801<\/h3>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u8f7d<\/h2>\n\n\n\n<p><a href=\"https:\/\/github.com\/kejie1208\/gjAxisUart\">https:\/\/github.com\/kejie1208\/gjAxisUart<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2aaixs\u63a5\u53e3\u7684uart ip\u3002 \u5404\u6a21\u5757\u57fa\u672c\u5b8c\u6210\uff0c\u901a\u8fc7\u6b63\u5e38\u4eff\u771f\uff0c\u5f02\u5e38\u672a\u4eff\u3002 \u7279\u6027 \u7ed3\u6784 gjAxisUart [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[12],"tags":[],"class_list":["post-393","post","type-post","status-publish","format-standard","hentry","category-ip"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/www.regfine.cn\/?author=1"},"uagb_comment_info":0,"uagb_excerpt":"\u4e00\u4e2aaixs\u63a5\u53e3\u7684uart ip\u3002 \u5404\u6a21\u5757\u57fa\u672c\u5b8c\u6210\uff0c\u901a\u8fc7\u6b63\u5e38\u4eff\u771f\uff0c\u5f02\u5e38\u672a\u4eff\u3002 \u7279\u6027 \u7ed3\u6784 gjAxisUart&hellip;","_links":{"self":[{"href":"https:\/\/www.regfine.cn\/index.php?rest_route=\/wp\/v2\/posts\/393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.regfine.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.regfine.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.regfine.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.regfine.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=393"}],"version-history":[{"count":4,"href":"https:\/\/www.regfine.cn\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions"}],"predecessor-version":[{"id":400,"href":"https:\/\/www.regfine.cn\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions\/400"}],"wp:attachment":[{"href":"https:\/\/www.regfine.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.regfine.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.regfine.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}