{"id":63492,"date":"2026-01-22T01:05:06","date_gmt":"2026-01-21T17:05:06","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/63492.html"},"modified":"2026-01-22T01:05:06","modified_gmt":"2026-01-21T17:05:06","slug":"arm%e5%90%af%e5%8a%a8%e4%bb%a3%e7%a0%81%e5%92%8c%e8%a3%b8%e6%9c%ba%e7%8e%af%e5%a2%83","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/63492.html","title":{"rendered":"ARM\u542f\u52a8\u4ee3\u7801\u548c\u88f8\u673a\u73af\u5883"},"content":{"rendered":"

\u4e00\u3001\u5f00\u53d1\u677f\u786c\u4ef6：\u5de5\u4e1a\u7ea7\u67b6\u6784\u4e0e LED \u7535\u8def\u5e95\u5c42\u89e3\u6790<\/h3>\n

\u6b63\u70b9\u539f\u5b50 IMX6ULL-Mini \u5f00\u53d1\u677f\u91c7\u7528\u6838\u5fc3\u677f + \u5e95\u677f\u7684\u5206\u79bb\u5f0f\u67b6\u6784\u8bbe\u8ba1，\u8fd9\u662f\u5de5\u4e1a\u7ea7\u5d4c\u5165\u5f0f\u4ea7\u54c1\u7684\u4e3b\u6d41\u8bbe\u8ba1\u65b9\u6848，\u65e2\u4fdd\u8bc1\u6838\u5fc3\u8ba1\u7b97\u6a21\u5757\u7684\u7a33\u5b9a\u6027，\u53c8\u517c\u987e\u5e95\u677f\u5916\u8bbe\u7684\u6269\u5c55\u6027\u3002\u786c\u4ef6\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u57fa\u7840，\u6240\u6709\u8f6f\u4ef6\u4ee3\u7801\u5747\u56f4\u7ed5\u786c\u4ef6\u7279\u6027\u7f16\u5199，\u7406\u89e3\u786c\u4ef6\u7ec6\u8282\u662f\u5b9e\u73b0\u7cbe\u51c6\u63a7\u5236\u7684\u524d\u63d0\u3002<\/p>\n

（\u4e00）\u6838\u5fc3\u677f：\u5de5\u4e1a\u7ea7\u53c2\u6570\u4e0e\u786c\u4ef6\u7279\u6027<\/h4>\n

\u6838\u5fc3\u677f\u57fa\u4e8e NXP i.MX6ULL \u5904\u7406\u5668（Cortex-A7 \u5355\u6838）\u8bbe\u8ba1，\u5206\u4e3a\u5de5\u4e1a\u7ea7\u4e0e\u5546\u4e1a\u7ea7\u7248\u672c，\u9002\u914d\u4e0d\u540c\u5e94\u7528\u573a\u666f，\u5176\u6838\u5fc3\u786c\u4ef6\u53c2\u6570\u4e0e\u5de5\u4e1a\u7ea7\u8bbe\u8ba1\u4f18\u52bf\u5982\u4e0b：<\/p>\n\n\u786c\u4ef6\u6a21\u5757\u5177\u4f53\u914d\u7f6e\u5de5\u4e1a\u7ea7\u8bbe\u8ba1\u4f18\u52bf\u5178\u578b\u5e94\u7528\u573a\u666f<\/tr>\n\n\n\n\n\n\n
CPU<\/td>\n\u5de5\u4e1a\u7ea7：528MHz（\u5bbd\u6e29 – 40\u2103~85\u2103）\u5546\u4e1a\u7ea7：800MHz（\u5e38\u6e29 0\u2103~70\u2103）<\/td>\n\u5bbd\u6e29\u7279\u6027\u9002\u914d\u6076\u52a3\u73af\u5883，BGA \u5c01\u88c5\u6297\u632f\u52a8\u3001\u6297\u51b2\u51fb，\u63a5\u89e6\u7535\u963b\u5c0f\u3001\u4fe1\u53f7\u4f20\u8f93\u7a33\u5b9a，\u6ee1\u8db3\u5de5\u4e1a\u8bbe\u5907\u53ef\u9760\u6027\u8981\u6c42<\/td>\n\u5de5\u4e1a\u63a7\u5236\u67dc\u3001\u6237\u5916\u76d1\u6d4b\u8bbe\u5907\u3001\u8f66\u8f7d\u7ec8\u7aef<\/td>\n<\/tr>\n
\u5185\u5b58<\/td>\n512MB DDR3L RAM（\u4f4e\u529f\u8017\u7248）<\/td>\n\u76f8\u6bd4\u666e\u901a DDR3，\u529f\u8017\u964d\u4f4e 30% \u4ee5\u4e0a，\u652f\u6301\u4f4e\u538b\u4f9b\u7535，\u51cf\u5c11\u53d1\u70ed，\u63d0\u5347\u8bbe\u5907\u7eed\u822a\u4e0e\u7a33\u5b9a\u6027<\/td>\n\u7535\u6c60\u4f9b\u7535\u7684\u4fbf\u643a\u8bbe\u5907\u3001\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5de5\u4e1a\u7ec8\u7aef<\/td>\n<\/tr>\n
\u5b58\u50a8<\/td>\n8GB eMMC 5.0<\/td>\n\u96c6\u6210\u5ea6\u9ad8，\u5185\u7f6e\u63a7\u5236\u5668\u4e0e\u7ea0\u9519\u673a\u5236，\u8bfb\u5199\u901f\u5ea6\u5feb（\u6700\u5927\u8bfb\u901f 150MB\/s）\u3001\u6297\u5e72\u6270\u6027\u5f3a，\u76f8\u6bd4 SD \u5361\u66f4\u9002\u5408\u7a0b\u5e8f\u56fa\u5316\u4e0e\u957f\u671f\u6570\u636e\u5b58\u50a8<\/td>\n\u91cf\u4ea7\u578b\u5d4c\u5165\u5f0f\u4ea7\u54c1\u3001\u5bf9\u5b58\u50a8\u7a33\u5b9a\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f<\/td>\n<\/tr>\n
\u542f\u52a8\u6a21\u5757<\/td>\n\u652f\u6301 SD \u5361 \/ EMMC\/NAND Flash（\u62e8\u7801\u5f00\u5173\u5207\u6362）<\/td>\n\u7075\u6d3b\u9002\u914d\u5f00\u53d1\u8c03\u8bd5\u4e0e\u4ea7\u54c1\u91cf\u4ea7：SD \u5361\u652f\u6301\u7a0b\u5e8f\u5feb\u901f\u70e7\u5199\u4e0e\u4fee\u6539，\u9002\u5408\u5f00\u53d1；EMMC\/NAND Flash \u652f\u6301\u7a0b\u5e8f\u56fa\u5316，\u9632\u6b62\u610f\u5916\u4fee\u6539，\u9002\u5408\u91cf\u4ea7<\/td>\n\u5f00\u53d1\u9636\u6bb5（SD \u5361）\u3001\u91cf\u4ea7\u9636\u6bb5（EMMC\/NAND）<\/td>\n<\/tr>\n
\u5916\u8bbe\u63a5\u53e3<\/td>\n\u96c6\u6210 UART\/SPI\/I2C\/PWM\/GPIO \u7b49\u57fa\u7840\u63a5\u53e3，\u9884\u7559 RGB \u663e\u793a\u63a5\u53e3<\/td>\n\u63a5\u53e3\u4e30\u5bcc，\u53ef\u76f4\u63a5\u62d3\u5c55\u4f20\u611f\u5668\u3001\u663e\u793a\u5c4f\u3001\u901a\u4fe1\u6a21\u5757，\u65e0\u9700\u989d\u5916\u8bbe\u8ba1\u9a71\u52a8\u7535\u8def，\u964d\u4f4e\u5f00\u53d1\u6210\u672c<\/td>\n\u5de5\u4e1a\u4eba\u673a\u4ea4\u4e92\u8bbe\u5907\u3001\u7269\u8054\u7f51\u6570\u636e\u91c7\u96c6\u7ec8\u7aef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6838\u5fc3\u677f\u4e0e\u5e95\u677f\u901a\u8fc72.54mm \u9540\u91d1\u63d2\u9488\u8fde\u63a5，\u76f8\u6bd4\u90ae\u7968\u5b54\u3001\u6392\u9488\u710a\u63a5\u7b49\u65b9\u5f0f，\u9540\u91d1\u63d2\u9488\u7684\u63a5\u89e6\u7535\u963b\u66f4\u5c0f（＜50m\u03a9），\u6297\u6c27\u5316\u80fd\u529b\u66f4\u5f3a，\u4e14\u652f\u6301\u591a\u6b21\u63d2\u62d4，\u5927\u5e45\u964d\u4f4e\u786c\u4ef6\u8fd4\u4fee\u6210\u672c，\u5b8c\u5168\u7b26\u5408\u5de5\u4e1a\u4ea7\u54c1\u7684\u53ef\u9760\u6027\u4e0e\u53ef\u7ef4\u62a4\u6027\u8bbe\u8ba1\u539f\u5219\u3002<\/p>\n

（\u4e8c）LED \u6a21\u5757：\u7535\u8def\u8bbe\u8ba1\u4e0e\u63a7\u5236\u903b\u8f91<\/h4>\n

\u5e95\u677f\u4e0a\u8bbe\u8ba1\u67092 \u4e2a LED \u706f，\u5206\u4e3a\u7535\u6e90\u6307\u793a LED\u4e0e\u7528\u6237\u53ef\u63a7 LED，\u7535\u8def\u8bbe\u8ba1\u517c\u987e\u529f\u80fd\u6027\u4e0e\u786c\u4ef6\u4fdd\u62a4，\u662f\u5d4c\u5165\u5f0f\u786c\u4ef6\u8bbe\u8ba1\u7684\u5178\u578b\u6848\u4f8b，\u5176\u8be6\u7ec6\u7535\u8def\u4e0e\u63a7\u5236\u903b\u8f91\u5982\u4e0b：<\/p>\n

  • \n

    \u84dd\u8272 LED（\u7535\u6e90\u6307\u793a）<\/p>\n

      \n
    • \u7535\u8def\u8bbe\u8ba1：\u76f4\u63a5\u5e76\u8054\u5728 5V \u7535\u6e90\u7aef，\u4e32\u8054 1k\u03a9 \u9650\u6d41\u7535\u963b，\u65e0\u8f6f\u4ef6\u63a7\u5236\u63a5\u53e3；<\/li>\n
    • \u5de5\u4f5c\u903b\u8f91：\u4e0a\u7535\u540e\u81ea\u52a8\u70b9\u4eae，\u82e5\u8be5 LED \u4e0d\u4eae，\u8bf4\u660e\u5f00\u53d1\u677f\u4f9b\u7535\u94fe\u8def\u6545\u969c，\u662f\u786c\u4ef6\u6545\u969c\u5feb\u901f\u6392\u67e5\u7684\u91cd\u8981\u6807\u8bc6；<\/li>\n
    • \u9650\u6d41\u7535\u963b\u4f5c\u7528：\u9650\u5236\u56de\u8def\u7535\u6d41，\u907f\u514d\u8fc7\u6d41\u70e7\u6bc1 LED \u706f\u73e0，1k\u03a9 \u7535\u963b\u53ef\u5c06\u7535\u6d41\u63a7\u5236\u5728 5mA \u5de6\u53f3，\u6ee1\u8db3\u6307\u793a\u706f\u70b9\u4eae\u9700\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u7ea2\u8272 LED（\u7528\u6237\u53ef\u63a7，\u672c\u6b21\u5b9e\u9a8c\u6838\u5fc3）<\/p>\n

        \n
      • \u7535\u8def\u8bbe\u8ba1：\u9633\u6781\u901a\u8fc7 510\u03a9 \u9650\u6d41\u7535\u963b\u8fde\u63a5 3.3V VCC，\u9634\u6781\u76f4\u63a5\u8fde\u63a5 GPIO1_IO03 \u5f15\u811a，\u91c7\u7528\u704c\u7535\u6d41\u9a71\u52a8\u65b9\u5f0f；<\/li>\n
      • \u6838\u5fc3\u63a7\u5236\u903b\u8f91：GPIO1_IO03 \u5f15\u811a\u8f93\u51fa\u4f4e\u7535\u5e73\u65f6，LED \u4e24\u7aef\u5f62\u6210 3.3V-2.2V=1.1V \u7684\u6709\u6548\u7535\u538b\u5dee，\u56de\u8def\u5bfc\u901a，LED \u70b9\u4eae；\u5f15\u811a\u8f93\u51fa\u9ad8\u7535\u5e73\u65f6，LED \u4e24\u7aef\u7535\u538b\u5dee\u4e3a 0，\u56de\u8def\u622a\u6b62，LED \u7184\u706d\u3002<\/li>\n
      • \u704c\u7535\u6d41\u9a71\u52a8\u7684\u4f18\u52bf：Cortex-A7 \u5185\u6838\u7684 GPIO \u5f15\u811a\u704c\u7535\u6d41\u80fd\u529b（\u5f15\u811a\u63a5\u6536\u7535\u6d41，\u6700\u5927\u7ea6 20mA）\u8fdc\u5927\u4e8e\u62c9\u7535\u6d41\u80fd\u529b（\u5f15\u811a\u8f93\u51fa\u7535\u6d41，\u6700\u5927\u7ea6 5mA），\u704c\u7535\u6d41\u9a71\u52a8\u65b9\u5f0f\u80fd\u4fdd\u8bc1 LED \u83b7\u5f97\u7a33\u5b9a\u7684\u5de5\u4f5c\u7535\u6d41，\u540c\u65f6\u907f\u514d GPIO \u5f15\u811a\u56e0\u8f93\u51fa\u8fc7\u5927\u7535\u6d41\u800c\u635f\u574f，\u662f\u5d4c\u5165\u5f0f GPIO \u9a71\u52a8 LED \u7684\u6807\u51c6\u8bbe\u8ba1\u65b9\u6848\u3002<\/li>\n
      • 510\u03a9 \u9650\u6d41\u7535\u963b\u7684\u8bbe\u8ba1\u4f9d\u636e：LED \u706f\u73e0\u4e3a\u901a\u7528\u76f4\u63d2\u5f0f，\u989d\u5b9a\u5de5\u4f5c\u7535\u538b2.2V，\u989d\u5b9a\u5de5\u4f5c\u7535\u6d4120mA，\u6839\u636e\u6b27\u59c6\u5b9a\u5f8b I=(U-Vled)\/R，3.3V \u4f9b\u7535\u4e0b，\u7406\u8bba\u9650\u6d41\u7535\u963b R=(3.3-2.2)\/0.02=55\u03a9，\u5b9e\u9645\u9009\u7528510\u03a9\u504f\u5927\u7535\u963b，\u5c06\u5b9e\u9645\u5de5\u4f5c\u7535\u6d41\u63a7\u5236\u5728\u7ea6 2.16mA，\u65e2\u6ee1\u8db3\u8089\u773c\u53ef\u89c1\u7684\u70b9\u4eae\u9700\u6c42，\u53c8\u505a\u786c\u4ef6\u5197\u4f59\u4fdd\u62a4，\u907f\u514d\u56e0\u7535\u6e90\u7535\u538b\u6ce2\u52a8（\u5982 3.3V \u98d8\u79fb\u81f3 3.6V）\u5bfc\u81f4\u8fc7\u6d41\u70e7\u6bc1\u706f\u73e0，\u540c\u65f6\u964d\u4f4e GPIO \u5f15\u811a\u7684\u8d1f\u8f7d，\u4f53\u73b0\u5de5\u4e1a\u7535\u8def **\u201c\u786c\u4ef6\u4fdd\u62a4\u4f18\u5148\u201d** \u7684\u8bbe\u8ba1\u539f\u5219\u3002<\/li>\n<\/ul>\n<\/li>\n

        （\u4e09）GPIO1_IO03 \u5f15\u811a：\u591a\u529f\u80fd\u7279\u6027\u4e0e\u786c\u4ef6\u6620\u5c04<\/h4>\n

        IMX6ULL \u5904\u7406\u5668\u7684\u6240\u6709\u901a\u7528\u5f15\u811a\u5747\u4e3a\u591a\u529f\u80fd\u590d\u7528\u5f15\u811a，\u901a\u8fc7\u4e13\u7528\u5bc4\u5b58\u5668\u53ef\u914d\u7f6e\u4e3a\u4e0d\u540c\u5916\u8bbe\u529f\u80fd，GPIO1_IO03 \u5f15\u811a\u7684\u529f\u80fd\u5206\u914d\u7531 NXP \u5b98\u65b9\u300aIMX6ULL \u53c2\u8003\u624b\u518c\u300b\u4e25\u683c\u5b9a\u4e49，\u5171\u652f\u6301 5 \u79cd\u5916\u8bbe\u529f\u80fd，\u529f\u80fd\u9009\u62e9\u7531\u5bc4\u5b58\u5668\u7684 MUX_MODE \u4f4d\u6bb5\u51b3\u5b9a，\u5177\u4f53\u5982\u4e0b：<\/p>\n

          \n
        • ALT0（MUX_MODE=0000）：SPI1_SCK（SPI1 \u4e32\u884c\u65f6\u949f\u5f15\u811a）<\/li>\n
        • ALT1（MUX_MODE=0001）：UART1_RTS（UART1 \u8bf7\u6c42\u53d1\u9001\u5f15\u811a）<\/li>\n
        • ALT2（MUX_MODE=0010）：I2C1_SDA（I2C1 \u4e32\u884c\u6570\u636e\u5f15\u811a）<\/li>\n
        • ALT3（MUX_MODE=0011）：PWMOUT3（PWM3 \u8109\u51b2\u8f93\u51fa\u5f15\u811a）<\/li>\n
        • ALT5（MUX_MODE=0101）：GPIO1_IO03（\u901a\u7528\u8f93\u5165\u8f93\u51fa\u5f15\u811a）<\/li>\n<\/ul>\n

          \u6838\u5fc3\u539f\u5219：\u5f15\u811a\u7684\u5b9e\u9645\u529f\u80fd\u7531\u8f6f\u4ef6\u914d\u7f6e\u5bc4\u5b58\u5668\u51b3\u5b9a，\u786c\u4ef6\u4ec5\u63d0\u4f9b\u7269\u7406\u94fe\u8def，\u82e5\u672a\u901a\u8fc7\u8f6f\u4ef6\u5c06\u5176\u914d\u7f6e\u4e3a GPIO \u529f\u80fd，\u5373\u4f7f\u540e\u7eed\u7f16\u5199 GPIO \u63a7\u5236\u4ee3\u7801，\u5f15\u811a\u4ecd\u4f1a\u4fdd\u6301\u9ed8\u8ba4\u7684 SPI1_SCK \u529f\u80fd，\u65e0\u6cd5\u5b9e\u73b0 LED \u63a7\u5236，\u8fd9\u662f **\u201c\u786c\u4ef6\u4e3a\u57fa，\u8f6f\u4ef6\u914d\u7f6e\u201d** \u7684\u5d4c\u5165\u5f0f\u5f00\u53d1\u6838\u5fc3\u4f53\u73b0\u3002<\/p>\n

          \u4e8c\u3001\u5f00\u53d1\u73af\u5883：\u8de8\u7cfb\u7edf\u5de5\u5177\u94fe\u642d\u5efa\u4e0e\u9ad8\u6548\u534f\u4f5c\u65b9\u6848<\/h3>\n

          \u5d4c\u5165\u5f0f\u88f8\u673a\u5f00\u53d1\u7684\u4e3b\u673a\u4e3a x86\/x86_64 \u67b6\u6784（Windows\/Ubuntu），\u76ee\u6807\u677f\u4e3a ARMv7-A \u67b6\u6784（IMX6ULL），\u56e0\u67b6\u6784\u4e0d\u517c\u5bb9，\u4e3b\u673a\u539f\u751f\u7f16\u8bd1\u5668\u65e0\u6cd5\u751f\u6210\u76ee\u6807\u677f\u53ef\u6267\u884c\u4ee3\u7801，\u56e0\u6b64\u9700\u642d\u5efa\u8de8\u5e73\u53f0\u4ea4\u53c9\u5f00\u53d1\u73af\u5883\u3002\u672c\u6b21\u91c7\u7528 **Windows（\u4ee3\u7801\u7f16\u8f91，\u64cd\u4f5c\u53cb\u597d）+ Ubuntu（\u4ea4\u53c9\u7f16\u8bd1，\u539f\u751f\u652f\u6301\u5d4c\u5165\u5f0f\u5de5\u5177\u94fe）** \u7684\u534f\u540c\u65b9\u6848，\u5b9e\u73b0 \u201c\u4ee3\u7801\u7f16\u8f91\u2192\u6587\u4ef6\u4f20\u8f93\u2192\u4ea4\u53c9\u7f16\u8bd1\u2192\u7a0b\u5e8f\u70e7\u5199\u201d \u7684\u5168\u6d41\u7a0b\u9ad8\u6548\u8854\u63a5，\u6240\u6709\u6b65\u9aa4\u5747\u4e3a\u5de5\u4e1a\u7ea7\u5f00\u53d1\u6807\u51c6\u6d41\u7a0b，\u907f\u5751\u7ec6\u8282\u5168\u8986\u76d6\u3002<\/p>\n

          （\u4e00）\u4ee3\u7801\u7f16\u8f91：VS Code + ARM \u6c47\u7f16\u63d2\u4ef6（\u5168\u914d\u7f6e\u7ec6\u8282）<\/h4>\n

          VS Code \u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u4e3b\u6d41\u7f16\u8f91\u5668，\u652f\u6301\u8de8\u5e73\u53f0\u3001\u8bed\u6cd5\u9ad8\u4eae\u3001\u4ee3\u7801\u63d0\u793a\u3001\u63d2\u4ef6\u62d3\u5c55，\u642d\u914dArm Assembly\u63d2\u4ef6\u53ef\u5b9e\u73b0 ARM \u6c47\u7f16\u4ee3\u7801\u7684\u7cbe\u51c6\u7f16\u8f91，\u5b8c\u5168\u6ee1\u8db3.s\u6c47\u7f16\u6587\u4ef6\u4e0e.cC \u6587\u4ef6\u7684\u7f16\u8f91\u9700\u6c42，Windows \u7aef\u8be6\u7ec6\u914d\u7f6e\u6b65\u9aa4\u5982\u4e0b（Ubuntu \u7aef\u914d\u7f6e\u903b\u8f91\u4e00\u81f4）：<\/p>\n

        • VS Code \u5b89\u88c5：\u4eceVS Code \u5b98\u65b9\u4e0b\u8f7d\u9875\u4e0b\u8f7d\u7528\u6237\u5b89\u88c5\u7248（\u65e0\u9700\u7ba1\u7406\u5458\u6743\u9650，\u907f\u514d\u7cfb\u7edf\u6743\u9650\u51b2\u7a81），\u9ed8\u8ba4\u4e0b\u4e00\u6b65\u5b89\u88c5，\u5fc5\u987b\u52fe\u9009\u300c\u521b\u5efa\u684c\u9762\u5feb\u6377\u65b9\u5f0f\u300d\u4e0e\u300c\u5c06 VS Code \u6dfb\u52a0\u5230 PATH\u300d，\u65b9\u4fbf\u7ec8\u7aef\u76f4\u63a5\u8c03\u7528\u3002<\/li>\n
        • \u4e2d\u6587\u8bed\u8a00\u5305\u5b89\u88c5：\u6253\u5f00 VS Code，\u6309\u4e0b\u5feb\u6377\u952eCtrl+Shift+X\u6253\u5f00\u6269\u5c55\u9762\u677f，\u641c\u7d22 **\u201cChinese (Simplified) Language Pack\u201d**，\u70b9\u51fb\u5b89\u88c5，\u5b89\u88c5\u5b8c\u6210\u540e\u91cd\u542f VS Code，\u81ea\u52a8\u5207\u6362\u4e3a\u4e2d\u6587\u754c\u9762\u3002<\/li>\n
        • ARM \u6c47\u7f16\u63d2\u4ef6\u5b89\u88c5：\u518d\u6b21\u6253\u5f00\u6269\u5c55\u9762\u677f，\u641c\u7d22 **\u201cArm Assembly\u201d，\u5b89\u88c5\u7531marus25** \u5f00\u53d1\u7684\u63d2\u4ef6（\u4e0b\u8f7d\u91cf\u6700\u9ad8\u3001\u517c\u5bb9\u6027\u6700\u597d），\u8be5\u63d2\u4ef6\u652f\u6301 ARMv7\/ARMv8 \u6c47\u7f16\u6307\u4ee4\u9ad8\u4eae\u3001\u8bed\u6cd5\u63d0\u793a\u3001\u6307\u4ee4\u8df3\u8f6c，\u89e3\u51b3.s\u6587\u4ef6\u7f16\u8f91\u65e0\u63d0\u793a\u3001\u65e0\u9ad8\u4eae\u7684\u6838\u5fc3\u95ee\u9898\u3002<\/li>\n
        • \u5de5\u7a0b\u76ee\u5f55\u521b\u5efa：\u5728\u975e\u4e2d\u6587\u3001\u65e0\u7a7a\u683c\u3001\u65e0\u7279\u6b8a\u5b57\u7b26\u7684\u8def\u5f84\u4e0b\u521b\u5efa\u5de5\u7a0b\u6587\u4ef6\u5939（\u5982D:\\\\IMX6ULL\\\\led_baremetal），\u907f\u514d\u7f16\u8bd1\u65f6\u51fa\u73b0\u8def\u5f84\u89e3\u6790\u9519\u8bef，\u5728\u8be5\u6587\u4ef6\u5939\u4e0b\u65b0\u5efastart.s（\u6c47\u7f16\u542f\u52a8\u4ee3\u7801）\u548cmain.c（C \u8bed\u8a00\u63a7\u5236\u903b\u8f91）\u3002<\/li>\n

          \u5173\u952e\u907f\u5751：\u5de5\u7a0b\u8def\u5f84\u82e5\u5305\u542b\u4e2d\u6587 \/ \u7a7a\u683c，Ubuntu \u7aef\u7684\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u4f1a\u56e0\u65e0\u6cd5\u89e3\u6790\u8def\u5f84\u800c\u63d0\u793aNo such file or directory，\u8fd9\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u7ecf\u5178\u4f4e\u7ea7\u9519\u8bef，\u5fc5\u987b\u4e25\u683c\u89c4\u907f\u3002<\/p>\n

          （\u4e8c）\u4ea4\u53c9\u7f16\u8bd1\u5668：\u5b89\u88c5\u4e0e\u6c38\u4e45\u73af\u5883\u53d8\u91cf\u914d\u7f6e（\u907f\u5751\u6307\u5357）<\/h4>\n

          IMX6ULL \u4e3aARMv7-A\u67b6\u6784，\u9700\u4f7f\u7528\u9002\u914d\u8be5\u67b6\u6784\u7684ARM-Linux \u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe，\u672c\u6b21\u9009\u7528gcc-linaro-4.9.4-2017.01\u7248\u672c，\u8be5\u7248\u672c\u662f NXP \u5b98\u65b9\u63a8\u8350\u7684\u7f16\u8bd1\u5668，\u4e0e i.MX6ULL \u5904\u7406\u5668\u5b8c\u5168\u517c\u5bb9，\u65e0\u517c\u5bb9\u6027\u95ee\u9898，Ubuntu \u7aef\u5b8c\u6574\u5b89\u88c5\u6b65\u9aa4\u4e0e\u907f\u5751\u7ec6\u8282\u5982\u4e0b：<\/p>\n

        • \u7f16\u8bd1\u5668\u5b89\u88c5\u5305\u51c6\u5907：\u4ece\u6b63\u70b9\u539f\u5b50 IMX6ULL \u5f00\u53d1\u8d44\u6599\u5305\u4e2d\u83b7\u53d6gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz，\u6216\u4eceLinaro \u5b98\u7f51\u4e0b\u8f7d\u5bf9\u5e94\u7248\u672c，\u7981\u6b62\u4f7f\u7528\u9ad8\u7248\u672c\u7f16\u8bd1\u5668（\u5982 gcc7.5\/gcc8.3），\u907f\u514d\u56e0\u7f16\u8bd1\u5668\u4f18\u5316\u903b\u8f91\u4e0d\u540c\u5bfc\u81f4\u7f16\u8bd1\u51fa\u7684\u7a0b\u5e8f\u65e0\u6cd5\u8fd0\u884c\u3002<\/li>\n
        • Ubuntu \u7aef\u5b89\u88c5\u4e0e\u914d\u7f6e：<\/li>\n

          # 1. \u521b\u5efa\u7f16\u8bd1\u5668\u7edf\u4e00\u7ba1\u7406\u76ee\u5f55，\u4fbf\u4e8e\u540e\u7eed\u5de5\u5177\u94fe\u7ef4\u62a4\u4e0e\u7248\u672c\u5207\u6362
          \nsudo mkdir -p \/usr\/local\/arm
          \n# 2. \u5c06\u7f16\u8bd1\u5668\u5b89\u88c5\u5305\u62f7\u8d1d\u5230\u7ba1\u7406\u76ee\u5f55（\u5047\u8bbe\u5b89\u88c5\u5305\u5728~\/Downloads\u76ee\u5f55，\u6839\u636e\u5b9e\u9645\u8def\u5f84\u4fee\u6539）
          \nsudo cp ~\/Downloads\/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz \/usr\/local\/arm\/
          \n# 3. \u8fdb\u5165\u5b89\u88c5\u76ee\u5f55，\u89e3\u538b\u7f16\u8bd1\u5668（-xvf：\u4fdd\u7559\u539f\u6587\u4ef6\u3001\u663e\u793a\u89e3\u538b\u8fc7\u7a0b\u3001\u6309\u6587\u4ef6\u7ed3\u6784\u89e3\u538b）
          \ncd \/usr\/local\/arm
          \nsudo tar -xvf gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz
          \n# 4. \u5220\u9664\u5b89\u88c5\u5305，\u8282\u7701\u78c1\u76d8\u7a7a\u95f4（\u89e3\u538b\u540e\u5b89\u88c5\u5305\u65e0\u4f7f\u7528\u4ef7\u503c）
          \nsudo rm gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz
          \n# 5. \u914d\u7f6e\u6c38\u4e45\u73af\u5883\u53d8\u91cf，\u907f\u514d\u6bcf\u6b21\u7ec8\u7aef\u542f\u52a8\u90fd\u91cd\u65b0\u914d\u7f6e
          \nvi ~\/.bashrc
          \n# 6. \u5728.bashrc\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9（\u7f16\u8bd1\u5668bin\u76ee\u5f55\u8def\u5f84，\u5fc5\u987b\u7cbe\u51c6，\u591a\u4e00\u4e2a\/\u5c11\u4e00\u4e2a\/\u90fd\u4f1a\u62a5\u9519）
          \nexport PATH=$PATH:\/usr\/local\/arm\/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf\/bin\/
          \n# 7. \u4fdd\u5b58\u5e76\u9000\u51favi\u7f16\u8f91\u5668：\u6309Esc\u952e，\u8f93\u5165:wq，\u56de\u8f66
          \n# 8. \u4f7f\u73af\u5883\u53d8\u91cf\u7acb\u5373\u751f\u6548（\u65e0\u9700\u91cd\u542f\u7ec8\u7aef）
          \nsource ~\/.bashrc<\/p>\n

        • \u5b89\u88c5\u9a8c\u8bc1\u4e0e\u5e38\u89c1\u9519\u8bef\u6392\u67e5：\n
            \n
          • \u9a8c\u8bc1\u547d\u4ee4：arm-linux-gnueabihf-gcc -v<\/li>\n
          • \u6210\u529f\u6807\u8bc6：\u7ec8\u7aef\u8f93\u51fagcc version 4.9.4 (Linaro GCC 4.9-2017.01)，\u8bf4\u660e\u7f16\u8bd1\u5668\u5b89\u88c5\u4e0e\u73af\u5883\u53d8\u91cf\u914d\u7f6e\u6210\u529f；<\/li>\n
          • \u5e38\u89c1\u9519\u8bef 1：command not found\u2192 \u539f\u56e0：\u8def\u5f84\u9519\u8bef，\u68c0\u67e5\u7f16\u8bd1\u5668\u89e3\u538b\u540e\u7684\u76ee\u5f55\u540d\u79f0\u662f\u5426\u4e0e\u914d\u7f6e\u8def\u5f84\u4e00\u81f4，\u662f\u5426\u6f0f\u5199bin\/；<\/li>\n
          • \u5e38\u89c1\u9519\u8bef 2：\u6743\u9650\u4e0d\u8db3\u2192 \u539f\u56e0：\u672a\u4f7f\u7528sudo\u89e3\u538b，\u6267\u884csudo chmod -R 777 \/usr\/local\/arm\u8d4b\u4e88\u6743\u9650\u540e\u91cd\u65b0\u914d\u7f6e；<\/li>\n
          • \u5e38\u89c1\u9519\u8bef 3：\u73af\u5883\u53d8\u91cf\u4e0d\u751f\u6548\u2192 \u539f\u56e0：\u672a\u6267\u884csource ~\/.bashrc，\u6216\u4fee\u6539\u7684\u662f\/etc\/bashrc\u800c\u975e~\/.bashrc（\u524d\u8005\u4e3a\u7cfb\u7edf\u5168\u5c40\u73af\u5883\u53d8\u91cf，\u540e\u8005\u4e3a\u5f53\u524d\u7528\u6237\u73af\u5883\u53d8\u91cf）\u3002<\/li>\n<\/ul>\n<\/li>\n

            （\u4e09）\u6587\u4ef6\u4f20\u8f93：FTP \u670d\u52a1 + FileZilla（\u9ad8\u901f\u7a33\u5b9a\u4f20\u8f93）<\/h4>\n

            Windows \u4e3a\u4ee3\u7801\u7f16\u8f91\u7aef，Ubuntu \u4e3a\u7f16\u8bd1\u7aef，\u9700\u5b9e\u73b0\u4e24\u4e2a\u7cfb\u7edf\u95f4\u7684\u6587\u4ef6\u5feb\u901f\u4f20\u8f93，\u672c\u6b21\u91c7\u7528 **vsftpd（Ubuntu \u7aef FTP \u670d\u52a1）+ FileZilla（Windows \u7aef FTP \u5ba2\u6237\u7aef）** \u7684\u65b9\u6848，\u8be5\u65b9\u6848\u4f20\u8f93\u901f\u5ea6\u5feb（\u5c40\u57df\u7f51\u53ef\u8fbe 10MB\/s \u4ee5\u4e0a）\u3001\u914d\u7f6e\u7b80\u5355\u3001\u7a33\u5b9a\u6027\u9ad8，\u8fdc\u4f18\u4e8e U \u76d8\u62f7\u8d1d\u3001\u5171\u4eab\u6587\u4ef6\u5939\u7b49\u65b9\u5f0f，\u5b8c\u6574\u914d\u7f6e\u6b65\u9aa4\u5982\u4e0b：<\/p>\n

            Ubuntu \u7aef：vsftpd \u670d\u52a1\u5b89\u88c5\u4e0e\u6838\u5fc3\u914d\u7f6e<\/h5>\n

            # 1. \u5b89\u88c5vsftpd\u670d\u52a1（Ubuntu\u9ed8\u8ba4\u672a\u5b89\u88c5）
            \nsudo apt install vsftpd -y
            \n# 2. \u5907\u4efd\u539f\u914d\u7f6e\u6587\u4ef6，\u907f\u514d\u914d\u7f6e\u9519\u8bef\u65e0\u6cd5\u6062\u590d（\u6838\u5fc3\u64cd\u4f5c，\u9632\u6b62\u914d\u7f6e\u5931\u8bef）
            \nsudo cp \/etc\/vsftpd.conf \/etc\/vsftpd.conf.bak
            \n# 3. \u4fee\u6539vsftpd\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6，\u5f00\u542f\u672c\u5730\u7528\u6237\u767b\u5f55\u4e0e\u5199\u6743\u9650
            \nsudo vi \/etc\/vsftpd.conf
            \n# 4. \u627e\u5230\u4ee5\u4e0b\u914d\u7f6e\u9879，\u786e\u4fdd\u524d\u9762\u65e0\u6ce8\u91ca\u7b26（#），\u82e5\u6709\u5219\u5220\u9664，\u65e0\u5219\u624b\u52a8\u6dfb\u52a0
            \nlocal_enable=YES # \u5f00\u542f\u672c\u5730\u7528\u6237\u767b\u5f55\u6743\u9650（\u4f7f\u7528Ubuntu\u7cfb\u7edf\u8d26\u53f7\u5bc6\u7801）
            \nwrite_enable=YES # \u5f00\u542f\u7528\u6237\u5199\u6743\u9650，\u5141\u8bb8\u4e0a\u4f20\/\u4fee\u6539\/\u5220\u9664\u6587\u4ef6
            \nlocal_umask=022 # \u8bbe\u7f6e\u6587\u4ef6\u4e0a\u4f20\u6743\u9650（\u9ed8\u8ba4644），\u907f\u514d\u4e0a\u4f20\u6587\u4ef6\u65e0\u6267\u884c\u6743\u9650
            \ndirmessage_enable=YES # \u5f00\u542f\u76ee\u5f55\u63d0\u793a\u4fe1\u606f
            \nuse_localtime=YES # \u4f7f\u7528\u672c\u5730\u65f6\u95f4（\u9ed8\u8ba4UTC\u65f6\u95f4，\u4e0eWindows\u65f6\u95f4\u4e00\u81f4）
            \nxferlog_enable=YES # \u5f00\u542f\u4f20\u8f93\u65e5\u5fd7，\u4fbf\u4e8e\u6392\u67e5\u4f20\u8f93\u95ee\u9898
            \nconnect_from_port_20=YES # \u4f7f\u752820\u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93（FTP\u6807\u51c6\u7aef\u53e3）
            \nlisten=NO # \u5173\u95ed\u72ec\u7acb\u76d1\u542c，\u4f7f\u7528inetd\u76d1\u542c
            \nlisten_ipv6=YES # \u5f00\u542fIPv6\u76d1\u542c，\u517c\u5bb9IPv4\/IPv6
            \n# 5. \u4fdd\u5b58\u5e76\u9000\u51favi\u7f16\u8f91\u5668
            \n# 6. \u91cd\u542fvsftpd\u670d\u52a1，\u4f7f\u914d\u7f6e\u751f\u6548
            \nsudo \/etc\/init.d\/vsftpd restart
            \n# 7. \u67e5\u770b\u670d\u52a1\u8fd0\u884c\u72b6\u6001，\u786e\u8ba4\u662f\u5426\u6b63\u5e38
            \nsudo \/etc\/init.d\/vsftpd status<\/p>\n

              \n
            • \u670d\u52a1\u6b63\u5e38\u6807\u8bc6：\u7ec8\u7aef\u8f93\u51faactive (running)，\u4e14\u5de6\u4fa7\u6709\u7eff\u8272\u6307\u793a\u706f，\u8bf4\u660e vsftpd \u670d\u52a1\u542f\u52a8\u6210\u529f；<\/li>\n
            • \u5e38\u89c1\u95ee\u9898\u6392\u67e5：\u82e5\u91cd\u542f\u5931\u8d25，\u6267\u884csudo cat \/var\/log\/vsftpd.log\u67e5\u770b\u4f20\u8f93\u65e5\u5fd7，\u6839\u636e\u65e5\u5fd7\u4fe1\u606f\u6392\u67e5\u914d\u7f6e\u6587\u4ef6\u8bed\u6cd5\u9519\u8bef（\u5982\u5c11\u5199\u5206\u53f7\u3001\u62fc\u5199\u9519\u8bef）\u3002<\/li>\n<\/ul>\n
              Windows \u7aef：FileZilla \u5b89\u88c5\u4e0e\u4f7f\u7528<\/h5>\n
            • FileZilla \u5b89\u88c5：\u4ece\u6b63\u70b9\u539f\u5b50\u5f00\u53d1\u8d44\u6599\u5305\u4e2d\u83b7\u53d6FileZilla_3.39.0_win64-setup_bundled.exe，\u53cc\u51fb\u5b89\u88c5，\u6240\u6709\u9009\u9879\u9ed8\u8ba4\u4e0b\u4e00\u6b65，\u52fe\u9009 **\u300c\u521b\u5efa\u684c\u9762\u5feb\u6377\u65b9\u5f0f\u300d**\u3002<\/li>\n
            • \u83b7\u53d6 Ubuntu IP \u5730\u5740：\u5728 Ubuntu \u7ec8\u7aef\u6267\u884cifconfig，\u627e\u5230ens33\u7f51\u5361\u7684inet\u9879（\u5982192.168.1.100），\u8fd9\u662f FTP \u8fde\u63a5\u7684\u4e3b\u673a\u5730\u5740，\u5fc5\u987b\u786e\u4fdd Windows \u4e0e Ubuntu \u5728\u540c\u4e00\u5c40\u57df\u7f51（\u5982\u8fde\u63a5\u540c\u4e00\u8def\u7531\u5668 \/ \u4ea4\u6362\u673a），\u5426\u5219\u65e0\u6cd5\u8fde\u63a5\u3002<\/li>\n
            • \u5efa\u7acb FTP \u8fde\u63a5：\n
                \n
              • \u6253\u5f00 FileZilla，\u70b9\u51fb\u9876\u90e8\u6587\u4ef6\u2192\u7ad9\u70b9\u7ba1\u7406\u5668，\u70b9\u51fb\u65b0\u7ad9\u70b9，\u547d\u540d\u4e3aUbuntu-IMX6ULL（\u81ea\u5b9a\u4e49\u540d\u79f0，\u4fbf\u4e8e\u8bc6\u522b）；<\/li>\n
              • \u914d\u7f6e\u8fde\u63a5\u53c2\u6570：\u534f\u8bae\u9009\u62e9FTP – \u6587\u4ef6\u4f20\u8f93\u534f\u8bae，\u4e3b\u673a\u8f93\u5165 Ubuntu \u7684 IP \u5730\u5740，\u7aef\u53e3\u9ed8\u8ba4 21，\u767b\u5f55\u7c7b\u578b\u9009\u62e9\u6b63\u5e38，\u7528\u6237\u540d\u8f93\u5165 Ubuntu \u7cfb\u7edf\u767b\u5f55\u8d26\u53f7（\u5982ubuntu\/linux），\u5bc6\u7801\u8f93\u5165 Ubuntu \u767b\u5f55\u5bc6\u7801；<\/li>\n
              • \u70b9\u51fb\u8fde\u63a5，\u82e5\u5f39\u51fa **\u201c\u672a\u77e5\u4e3b\u673a\u5bc6\u94a5\u201d\u63d0\u793a，\u70b9\u51fb\u786e\u5b9a ** \u5373\u53ef，\u9996\u6b21\u8fde\u63a5\u4f1a\u81ea\u52a8\u4fdd\u5b58\u5bc6\u94a5，\u540e\u7eed\u65e0\u9700\u91cd\u590d\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \u6587\u4ef6\u4e0a\u4f20：\n
                  \n
                • \u8fde\u63a5\u6210\u529f\u540e，FileZilla \u754c\u9762\u5206\u4e3a\u5de6\u53f3\u4e24\u90e8\u5206：\u53f3\u4fa7\u4e3a\u672c\u5730\u6587\u4ef6（Windows），\u5de6\u4fa7\u4e3a\u8fdc\u7a0b\u6587\u4ef6（Ubuntu）；<\/li>\n
                • \u5728\u53f3\u4fa7\u627e\u5230\u5de5\u7a0b\u76ee\u5f55D:\\\\IMX6ULL\\\\led_baremetal，\u9009\u4e2dstart.s\u548cmain.c，\u53f3\u952e\u70b9\u51fb\u4e0a\u4f20，\u5373\u53ef\u5c06\u6587\u4ef6\u4f20\u8f93\u5230 Ubuntu \u5bf9\u5e94\u76ee\u5f55，\u4f20\u8f93\u5b8c\u6210\u540e\u5de6\u4fa7\u4f1a\u663e\u793a\u5bf9\u5e94\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n

                  \u5173\u952e\u907f\u5751：\u82e5\u8fde\u63a5\u5931\u8d25，\u68c0\u67e5 Ubuntu \u9632\u706b\u5899\u662f\u5426\u5f00\u542f，\u6267\u884csudo ufw disable\u5173\u95ed\u9632\u706b\u5899（\u5f00\u53d1\u9636\u6bb5\u4e34\u65f6\u5173\u95ed，\u751f\u4ea7\u73af\u5883\u9700\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u5f00\u653e 21 \u7aef\u53e3）\u3002<\/p>\n

                  \u4e09\u3001\u6838\u5fc3\u4ee3\u7801：\u4ece\u5e95\u5c42\u6c47\u7f16\u5230 C \u8bed\u8a00 LED \u7cbe\u51c6\u63a7\u5236<\/h3>\n

                  \u88f8\u673a\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u4e3a **\u201c\u6c47\u7f16\u5e95\u5c42\u521d\u59cb\u5316\u2192C \u8bed\u8a00\u4e1a\u52a1\u903b\u8f91\u6267\u884c\u201d，\u5904\u7406\u5668\u4e0a\u7535\u540e\u9996\u5148\u4ece 0x00000000 \u5730\u5740\u6267\u884c\u6c47\u7f16\u4ee3\u7801start.s，\u5b8c\u6210 ARM \u67b6\u6784\u5f3a\u5236\u8981\u6c42\u7684\u5f02\u5e38\u5411\u91cf\u8868\u6784\u5efa\u3001\u5904\u7406\u5668\u6a21\u5f0f\u914d\u7f6e\u3001\u6808\u5730\u5740\u521d\u59cb\u5316\u3001\u4e2d\u65ad\u72b6\u6001\u914d\u7f6e **，\u4e3a C \u8bed\u8a00\u8fd0\u884c\u642d\u5efa\u5b8c\u6574\u7684\u786c\u4ef6\u73af\u5883，\u968f\u540e\u8df3\u8f6c\u5230 C \u8bed\u8a00main.c，\u6267\u884c GPIO \u5f15\u811a\u914d\u7f6e\u4e0e LED \u5468\u671f\u6027\u95ea\u70c1\u903b\u8f91\u3002\u4e24\u5957\u4ee3\u7801\u7d27\u5bc6\u914d\u5408，\u7f3a\u4e00\u4e0d\u53ef，\u4ee5\u4e0b\u662f\u5b8c\u6574\u53ef\u8fd0\u884c\u4ee3\u7801 + \u5de5\u4e1a\u7ea7\u6ce8\u91ca + \u6838\u5fc3\u903b\u8f91\u8d85\u7ec6\u8282\u89e3\u6790，\u6240\u6709\u4ee3\u7801\u5747\u53ef\u76f4\u63a5\u590d\u5236\u4f7f\u7528\u3002<\/p>\n

                  （\u4e00）start.s：ARM \u67b6\u6784\u5e95\u5c42\u521d\u59cb\u5316\u4ee3\u7801（\u6c47\u7f16\u6838\u5fc3）<\/h4>\n

                  start.s\u662f\u88f8\u673a\u7a0b\u5e8f\u7684\u7a0b\u5e8f\u5165\u53e3\u6587\u4ef6，\u5904\u7406\u5668\u4e0a\u7535 \/ \u590d\u4f4d\u540e\u4ece 0x00000000 \u5730\u5740\u5f00\u59cb\u6267\u884c，\u8be5\u6587\u4ef6\u7684\u6838\u5fc3\u4f5c\u7528\u662f\u4e3a C \u8bed\u8a00\u7a0b\u5e8f\u8fd0\u884c\u642d\u5efa\u57fa\u7840\u786c\u4ef6\u73af\u5883，\u6240\u6709\u4ee3\u7801\u5747\u9075\u5faa ARMv7-A \u67b6\u6784\u89c4\u8303，\u65e0\u5197\u4f59\u903b\u8f91，\u5b8c\u6574\u53ef\u8fd0\u884c\u4ee3\u7801\u5982\u4e0b：<\/p>\n

                  .global _start ; \u58f0\u660e_start\u4e3a\u5168\u5c40\u7b26\u53f7，\u94fe\u63a5\u5668\u901a\u8fc7\u8be5\u7b26\u53f7\u5b9a\u4f4d\u7a0b\u5e8f\u5165\u53e3\u5730\u5740，\u5fc5\u987b\u58f0\u660e
                  \n.extern main ; \u58f0\u660emain\u4e3a\u5916\u90e8\u7b26\u53f7，\u6765\u81eaC\u8bed\u8a00\u6587\u4ef6main.c，\u544a\u8bc9\u6c47\u7f16\u5668\u8be5\u7b26\u53f7\u5728\u5176\u4ed6\u6587\u4ef6\u4e2d\u5b9a\u4e49<\/p>\n

                  ; ————————– \u5f02\u5e38\u5411\u91cf\u8868（ARMv7-A\u67b6\u6784\u5f3a\u5236\u8981\u6c42，0x00~0x1C） ————————–
                  \n; ARM\u67b6\u6784\u89c4\u5b9a：CPU\u4e0a\u7535\/\u590d\u4f4d\u540e，\u5fc5\u987b\u57280x00000000~0x0000001C\u5730\u5740\u7a7a\u95f4\u914d\u7f6e\u5f02\u5e38\u5411\u91cf\u8868
                  \n; \u51718\u4e2a\u5f02\u5e38\u5411\u91cf，\u6bcf\u4e2a\u5411\u91cf\u53604\u5b57\u8282，\u5bf9\u5e94ARM\u76848\u79cd\u5f02\u5e38\u7c7b\u578b，\u53d1\u751f\u5f02\u5e38\u65f6CPU\u81ea\u52a8\u8df3\u8f6c\u5230\u5bf9\u5e94\u5730\u5740
                  \n_start:
                  \n ldr pc, =_reset_handler ; 0x00: \u590d\u4f4d\u5f02\u5e38（\u4e0a\u7535\/\u590d\u4f4d\u540e\u7b2c\u4e00\u4e2a\u6267\u884c\u7684\u5f02\u5e38，\u6838\u5fc3）
                  \n ldr pc, =_undef_handler ; 0x04: \u672a\u5b9a\u4e49\u6307\u4ee4\u5f02\u5e38（\u6355\u83b7CPU\u65e0\u6cd5\u8bc6\u522b\u7684\u975e\u6cd5\u6307\u4ee4）
                  \n ldr pc, =_software_handler ; 0x08: \u8f6f\u4ef6\u4e2d\u65ad\u5f02\u5e38（\u7528\u4e8e\u7cfb\u7edf\u8c03\u7528，\u5982Linux\u7684\u8f6f\u4e2d\u65ad）
                  \n ldr pc, =_prefect_handler ; 0x0C: \u9884\u53d6\u6307\u4e2d\u6b62\u5f02\u5e38（\u6307\u4ee4\u8bfb\u53d6\u9519\u8bef，\u5982\u5730\u5740\u8d8a\u754c）
                  \n ldr pc, =_data_abort_handler ; 0x10: \u6570\u636e\u4e2d\u6b62\u5f02\u5e38（\u6570\u636e\u8bfb\u5199\u9519\u8bef，\u5982\u5199\u53ea\u8bfb\u5185\u5b58）
                  \n nop ; 0x14: \u4fdd\u7559\u5730\u5740（ARM\u67b6\u6784\u9884\u7559，\u5fc5\u987b\u586b\u5145nop，\u907f\u514d\u5730\u5740\u9519\u4f4d）
                  \n ldr pc, =_irq_handler ; 0x18: IRQ\u4e2d\u65ad\u5f02\u5e38（\u5916\u90e8\u8bbe\u5907\u4e2d\u65ad，\u5982\u6309\u952e\u3001\u5b9a\u65f6\u5668）
                  \n ldr pc, =_fiq_handler ; 0x1C: FIQ\u5feb\u901f\u4e2d\u65ad\u5f02\u5e38（\u9ad8\u4f18\u5148\u7ea7\u4e2d\u65ad，\u5982\u9ad8\u901f\u4f20\u611f\u5668）<\/p>\n

                  ; ————————– \u5f02\u5e38\u5904\u7406\u51fd\u6570（\u6682\u8bbe\u6b7b\u5faa\u73af，\u5de5\u4e1a\u5f00\u53d1\u9700\u5b8c\u5584） ————————–
                  \n; \u672c\u6b21\u5b9e\u9a8c\u4e3a\u57fa\u7840LED\u63a7\u5236，\u6682\u672a\u4f7f\u7528\u590d\u6742\u5f02\u5e38\u5904\u7406，\u6240\u6709\u672a\u7528\u5230\u7684\u5f02\u5e38\u5904\u7406\u51fd\u6570\u5747\u8bbe\u4e3a\u6b7b\u5faa\u73af
                  \n; \u76ee\u7684：\u6355\u83b7\u5f02\u5e38\u540e，\u9632\u6b62CPU\u6267\u884c\u65e0\u6548\u6307\u4ee4\u5bfc\u81f4**\u7a0b\u5e8f\u8dd1\u98de**，\u662f\u88f8\u673a\u7a0b\u5e8f\u7684\u57fa\u7840\u4fdd\u62a4\u673a\u5236
                  \n; \u5de5\u4e1a\u7ea7\u5f00\u53d1\u4e2d，\u9700\u6839\u636e\u5f02\u5e38\u7c7b\u578b\u7f16\u5199\u4e13\u5c5e\u5904\u7406\u903b\u8f91（\u5982\u6570\u636e\u5907\u4efd\u3001\u9519\u8bef\u4e0a\u62a5\u3001\u7cfb\u7edf\u590d\u4f4d）
                  \n_undef_handler:
                  \n b _undef_handler ; \u65e0\u6761\u4ef6\u8df3\u8f6c\u5230\u81ea\u8eab，\u5b9e\u73b0\u6b7b\u5faa\u73af<\/p>\n

                  _software_handler:
                  \n b _software_handler <\/p>\n

                  _prefect_handler:
                  \n b _prefect_handler <\/p>\n

                  _data_abort_handler:
                  \n b _data_abort_handler <\/p>\n

                  _irq_handler:
                  \n b _irq_handler <\/p>\n

                  _fiq_handler:
                  \n b _fiq_handler <\/p>\n

                  ; ————————– \u590d\u4f4d\u5f02\u5e38\u5904\u7406\u51fd\u6570：\u6838\u5fc3\u521d\u59cb\u5316\u6d41\u7a0b（\u91cd\u4e2d\u4e4b\u91cd） ————————–
                  \n; \u590d\u4f4d\u5f02\u5e38\u662f\u4e0a\u7535\u540e\u7b2c\u4e00\u4e2a\u6267\u884c\u7684\u5f02\u5e38，\u6240\u6709\u5e95\u5c42\u786c\u4ef6\u521d\u59cb\u5316\u5747\u5728\u6b64\u5b8c\u6210，\u662f\u88f8\u673a\u7a0b\u5e8f\u7684\u6838\u5fc3
                  \n; \u521d\u59cb\u5316\u6d41\u7a0b：\u5173\u95ed\u5168\u5c40\u4e2d\u65ad\u2192\u914d\u7f6e\u5904\u7406\u5668\u6a21\u5f0f\u2192\u8bbe\u7f6e\u6808\u5730\u5740\u2192\u5f00\u542f\u5168\u5c40\u4e2d\u65ad\u2192\u8df3\u8f6c\u5230C\u8bed\u8a00main\u51fd\u6570
                  \n_reset_handler:
                  \n ; 1. \u5173\u95edIRQ\u5168\u5c40\u4e2d\u65ad（cpsid i），FIQ\u4e2d\u65ad\u9ed8\u8ba4\u5173\u95ed
                  \n ; \u6307\u4ee4\u8bf4\u660e：cpsid = Change Processor State IDisable，i\u8868\u793aIRQ\u4e2d\u65ad，f\u8868\u793aFIQ\u4e2d\u65ad
                  \n ; \u521d\u59cb\u5316\u9636\u6bb5：CPU\u72b6\u6001\u4e0d\u7a33\u5b9a，\u6808\u5730\u5740\u3001\u5904\u7406\u5668\u6a21\u5f0f\u5c1a\u672a\u914d\u7f6e，\u82e5\u89e6\u53d1\u4e2d\u65ad\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u8dd1\u98de
                  \n cpsid i <\/p>\n

                  ; 2. \u5207\u6362\u5904\u7406\u5668\u5230IRQ\u6a21\u5f0f（0x12\u4e3aIRQ\u6a21\u5f0f\u7684\u56fa\u5b9a\u7f16\u7801，ARMv7-A\u67b6\u6784\u5b9a\u4e49）
                  \n ; \u4e3aIRQ\u6a21\u5f0f\u914d\u7f6e\u72ec\u7acb\u6808\u5730\u5740，\u907f\u514d\u4e2d\u65ad\u5904\u7406\u65f6\u8986\u76d6\u5176\u4ed6\u6a21\u5f0f\u7684\u6808\u6570\u636e
                  \n cps #0x12
                  \n ; 3. \u8bbe\u7f6eIRQ\u6a21\u5f0f\u7684\u6808\u5730\u5740（SP\u6307\u9488），0x82000000\u4e3aDDR3\u7684\u7a7a\u95f2\u5b89\u5168\u5730\u5740
                  \n ldr sp, =0x82000000
                  \n ; 4. \u5207\u6362\u5904\u7406\u5668\u5230SYS\u6a21\u5f0f（\u7cfb\u7edf\u6a21\u5f0f，0x1F\u4e3a\u56fa\u5b9a\u7f16\u7801）
                  \n ; SYS\u6a21\u5f0f\u662f\u88f8\u673a\u7a0b\u5e8f\u4e3b\u903b\u8f91\u7684\u9ed8\u8ba4\u8fd0\u884c\u6a21\u5f0f，\u62e5\u6709\u7279\u6743\u6a21\u5f0f\u7684\u6240\u6709\u6743\u9650，\u4e0eUSER\u6a21\u5f0f\u5171\u4eab\u5bc4\u5b58\u5668
                  \n cps #0x1F
                  \n ; 5. \u8bbe\u7f6eSYS\u6a21\u5f0f\u7684\u6808\u5730\u5740，0x84000000\u4e0eIRQ\u6a21\u5f0f\u6808\u5730\u5740\u95f4\u9694200MB，\u5b9e\u73b0\u5b8c\u5168\u9694\u79bb
                  \n ldr sp, =0x84000000
                  \n ; 6. \u5f00\u542fIRQ\u5168\u5c40\u4e2d\u65ad（cpsie i）
                  \n ; \u521d\u59cb\u5316\u5b8c\u6210\u540e，CPU\u72b6\u6001\u7a33\u5b9a，\u5f00\u542f\u4e2d\u65ad\u4ee5\u54cd\u5e94\u5916\u90e8\u8bbe\u5907\u8bf7\u6c42（\u672c\u6b21\u5b9e\u9a8c\u6682\u672a\u4f7f\u7528\u4e2d\u65ad，\u53ef\u7701\u7565）
                  \n cpsie i <\/p>\n

                  ; 7. \u65e0\u6761\u4ef6\u8df3\u8f6c\u5230C\u8bed\u8a00main\u51fd\u6570，\u6267\u884cLED\u63a7\u5236\u4e1a\u52a1\u903b\u8f91
                  \n ; b\u6307\u4ee4：ARM\u6c47\u7f16\u65e0\u6761\u4ef6\u8df3\u8f6c\u6307\u4ee4，\u8df3\u8f6c\u540e\u4e0d\u8fd4\u56de，\u7b26\u5408\u88f8\u673a\u7a0b\u5e8f\u6b7b\u5faa\u73af\u903b\u8f91
                  \n ; \u8fd9\u4e00\u6b65\u662f**\u6c47\u7f16\u5230C\u8bed\u8a00\u7684\u5173\u952e\u8fc7\u6e21**，\u5b8c\u6210\u5e95\u5c42\u521d\u59cb\u5316\u5230\u4e0a\u5c42\u4e1a\u52a1\u903b\u8f91\u7684\u5207\u6362
                  \n b main <\/p>\n

                  ; \u7a0b\u5e8f\u7ed3\u675f\u540e\u6b7b\u5faa\u73af，\u9632\u6b62CPU\u6267\u884c\u65e0\u6548\u6307\u4ee4\u5bfc\u81f4\u8dd1\u98de
                  \n; \u88f8\u673a\u7a0b\u5e8f\u65e0\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fdb\u7a0b\u8c03\u5ea6，\u82e5main\u51fd\u6570\u610f\u5916\u9000\u51fa，CPU\u4f1a\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u5185\u5b58\u7684\u65e0\u6548\u6307\u4ee4
                  \nfinish:
                  \n b finish <\/p>\n

                  \u6838\u5fc3\u903b\u8f91\u8d85\u7ec6\u8282\u89e3\u6790<\/h5>\n
                • \n

                  \u5f02\u5e38\u5411\u91cf\u8868\u7684\u5e95\u5c42\u8981\u6c42ARMv7-A \u67b6\u6784\u5f3a\u5236\u89c4\u5b9a：\u5904\u7406\u5668\u4e0a\u7535 \/ \u590d\u4f4d\u540e，\u5fc5\u987b\u57280x00000000~0x0000001C\u7684 32 \u5b57\u8282\u5730\u5740\u7a7a\u95f4\u914d\u7f6e\u5f02\u5e38\u5411\u91cf\u8868，\u82e5\u672a\u914d\u7f6e\u6216\u914d\u7f6e\u4e0d\u5b8c\u6574，CPU \u4f1a\u56e0\u627e\u4e0d\u5230\u5408\u6cd5\u7684\u5f02\u5e38\u5904\u7406\u5730\u5740\u800c\u76f4\u63a5\u6b7b\u673a\u3002<\/p>\n

                    \n
                  • 8 \u4e2a\u5f02\u5e38\u5411\u91cf\u4e00\u4e00\u5bf9\u5e94 ARM \u7684 8 \u79cd\u5f02\u5e38\u7c7b\u578b，\u662f CPU \u5904\u7406\u5f02\u5e38\u7684 \u201c\u5165\u53e3\u5bfc\u822a\u201d，\u590d\u4f4d\u5f02\u5e38\u4e3a\u7b2c\u4e00\u4e2a\u5411\u91cf（0x00），\u662f\u4e0a\u7535\u540e\u552f\u4e00\u4e3b\u52a8\u89e6\u53d1\u7684\u5f02\u5e38；<\/li>\n
                  • \u5173\u952e\u6307\u4ee4ldr pc, =_reset_handler：\u4e3a\u7edd\u5bf9\u8df3\u8f6c\u6307\u4ee4，\u5c06\u590d\u4f4d\u5f02\u5e38\u5904\u7406\u51fd\u6570\u7684\u7269\u7406\u5730\u5740\u52a0\u8f7d\u5230\u7a0b\u5e8f\u8ba1\u6570\u5668（PC），\u533a\u522b\u4e8eb _reset_handler\u7684\u76f8\u5bf9\u8df3\u8f6c（\u4ec5\u80fd\u8df3\u8f6c\u5230 \u00b132MB \u8303\u56f4\u5185），\u5f02\u5e38\u5411\u91cf\u8868\u5fc5\u987b\u4f7f\u7528\u7edd\u5bf9\u8df3\u8f6c，\u786e\u4fdd\u5f02\u5e38\u5904\u7406\u51fd\u6570\u53ef\u5728\u4efb\u610f\u5185\u5b58\u5730\u5740；<\/li>\n
                  • \u9884\u7559\u5730\u5740nop：0x00000014 \u5730\u5740\u662f ARM \u67b6\u6784\u7684\u786c\u4ef6\u9884\u7559\u4f4d，\u5fc5\u987b\u586b\u5145\u7a7a\u6307\u4ee4nop（\u5360 4 \u5b57\u8282），\u5426\u5219\u4f1a\u5bfc\u81f4\u540e\u7eed\u7684 IRQ\/FIQ \u5411\u91cf\u5730\u5740\u9519\u4f4d，CPU \u65e0\u6cd5\u6b63\u786e\u8bc6\u522b\u5f02\u5e38\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<\/li>\n
                  • \n

                    ARM \u5904\u7406\u5668\u7684 7 \u79cd\u5de5\u4f5c\u6a21\u5f0f\u4e0e\u6743\u9650\u5206\u7ea7ARMv7-A \u67b6\u6784\u8bbe\u8ba1\u67097 \u79cd\u5de5\u4f5c\u6a21\u5f0f，\u5206\u4e3a\u7279\u6743\u6a21\u5f0f（6 \u79cd）\u548c\u7528\u6237\u6a21\u5f0f（1 \u79cd），\u4e0d\u540c\u6a21\u5f0f\u62e5\u6709\u72ec\u7acb\u7684\u5bc4\u5b58\u5668\u7ec4（\u5982 SP \u6808\u6307\u9488\u3001LR \u94fe\u63a5\u5bc4\u5b58\u5668），\u6838\u5fc3\u533a\u522b\u5728\u4e8e\u6743\u9650\u7b49\u7ea7\u4e0e\u4f7f\u7528\u573a\u666f，\u5177\u4f53\u5982\u4e0b\u8868（\u5d4c\u5165\u5f0f\u5f00\u53d1\u6838\u5fc3\u5e38\u7528\u6a21\u5f0f）：<\/p>\n\n\u5de5\u4f5c\u6a21\u5f0f\u6a21\u5f0f\u7f16\u7801\u6743\u9650\u7b49\u7ea7\u6838\u5fc3\u4f7f\u7528\u573a\u666f\u5bc4\u5b58\u5668\u7279\u6027<\/tr>\n\n\n\n\n\n
                    USER（\u7528\u6237\u6a21\u5f0f）<\/td>\n0x10<\/td>\n\u666e\u901a\u6743\u9650<\/td>\n\u8fd0\u884c\u64cd\u4f5c\u7cfb\u7edf\u7528\u6237\u6001\u5e94\u7528\u7a0b\u5e8f<\/td>\n\u65e0\u72ec\u7acb\u5bc4\u5b58\u5668，\u4e0e SYS \u6a21\u5f0f\u5171\u4eab<\/td>\n<\/tr>\n
                    IRQ（\u4e2d\u65ad\u6a21\u5f0f）<\/td>\n0x12<\/td>\n\u7279\u6743\u6743\u9650<\/td>\n\u5904\u7406\u666e\u901a\u5916\u90e8\u4e2d\u65ad（\u6309\u952e\u3001\u5b9a\u65f6\u5668\u3001\u4e32\u53e3）<\/td>\n\u6709\u72ec\u7acb\u7684 R13\/R14\/SP\/CPSR<\/td>\n<\/tr>\n
                    SVC（\u8d85\u7ea7\u7528\u6237\u6a21\u5f0f）<\/td>\n0x13<\/td>\n\u6700\u9ad8\u6743\u9650<\/td>\n\u7cfb\u7edf\u521d\u59cb\u5316\u3001\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u3001\u8f6f\u4e2d\u65ad\u5904\u7406<\/td>\n\u6709\u72ec\u7acb\u7684 R13\/R14\/SP\/CPSR<\/td>\n<\/tr>\n
                    SYS（\u7cfb\u7edf\u6a21\u5f0f）<\/td>\n0x1F<\/td>\n\u7279\u6743\u6743\u9650<\/td>\n\u8fd0\u884c\u88f8\u673a\u7a0b\u5e8f\u4e3b\u903b\u8f91\u3001\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838<\/td>\n\u4e0e USER \u6a21\u5f0f\u5171\u4eab\u5bc4\u5b58\u5668，\u62e5\u6709\u7279\u6743\u6743\u9650<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    \u6838\u5fc3\u8bbe\u8ba1\u539f\u5219：\u4e0d\u540c\u7279\u6743\u6a21\u5f0f\u5fc5\u987b\u914d\u7f6e\u72ec\u7acb\u7684\u6808\u5730\u5740（SP），\u672c\u6b21\u5b9e\u9a8c\u4e3a IRQ \u6a21\u5f0f\u548c SYS \u6a21\u5f0f\u914d\u7f6e\u4e86\u4e0d\u540c\u7684\u6808\u5730\u5740，\u82e5\u5171\u7528\u6808\u5730\u5740，\u5f53 IRQ \u4e2d\u65ad\u53d1\u751f\u65f6，\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u7684\u6808\u64cd\u4f5c\u4f1a\u8986\u76d6 SYS \u6a21\u5f0f\u7684\u6808\u6570\u636e，\u5bfc\u81f4\u7528\u6237\u7a0b\u5e8f\u5d29\u6e83，\u8fd9\u662f\u5d4c\u5165\u5f0f\u88f8\u673a\u5f00\u53d1\u7684\u6838\u5fc3\u907f\u5751\u70b9\u3002<\/p>\n<\/li>\n

                  • \n

                    \u6808\u5730\u5740\u7684\u9009\u62e9\u4f9d\u636e\u4e0e\u5185\u5b58\u5206\u5e03IMX6ULL \u7684 DDR3 \u5185\u5b58\u7269\u7406\u5730\u5740\u8303\u56f4\u4e3a0x80000000~0x9FFFFFFF，\u603b\u5927\u5c0f 512MB，\u6808\u5730\u5740\u7684\u9009\u62e9\u9700\u9075\u5faa\u4e09\u4e2a\u6838\u5fc3\u539f\u5219：\u2460 \u907f\u5f00\u7a0b\u5e8f\u4ee3\u7801\u52a0\u8f7d\u5730\u5740；\u2461 \u907f\u5f00\u5916\u8bbe\u5bc4\u5b58\u5668\u5730\u5740；\u2462 \u4e0d\u540c\u6a21\u5f0f\u7684\u6808\u5730\u5740\u95f4\u9694\u8db3\u591f\u5927，\u907f\u514d\u6808\u6ea2\u51fa\u3002<\/p>\n

                      \n
                    • IRQ \u6a21\u5f0f\u6808\u5730\u5740：0x82000000，\u4f4d\u4e8e DDR3 \u524d\u7aef\u7a7a\u95f2\u533a\u57df，\u8fdc\u79bb\u4ee3\u7801\u52a0\u8f7d\u5730\u5740，\u7528\u4e8e\u4e2d\u65ad\u5904\u7406\u7684\u6808\u7a7a\u95f4；<\/li>\n
                    • SYS \u6a21\u5f0f\u6808\u5730\u5740：0x84000000，\u4e0e IRQ \u6a21\u5f0f\u6808\u5730\u5740\u95f4\u9694 200MB，\u5b8c\u5168\u9694\u79bb，\u8db3\u591f\u6ee1\u8db3\u88f8\u673a\u7a0b\u5e8f\u7684\u6808\u7a7a\u95f4\u9700\u6c42（\u88f8\u673a\u7a0b\u5e8f\u7684\u6808\u7a7a\u95f4\u4e00\u822c\u4e0d\u8d85\u8fc7 1MB）；<\/li>\n
                    • \u7a0b\u5e8f\u4ee3\u7801\u52a0\u8f7d\u5730\u5740：0x87800000（Makefile \u4e2d\u901a\u8fc7 – Ttext \u6307\u5b9a），\u6808\u5730\u5740\u5747\u907f\u5f00\u8be5\u533a\u57df，\u907f\u514d\u6808\u6570\u636e\u4e0e\u7a0b\u5e8f\u4ee3\u7801\u51b2\u7a81；<\/li>\n
                    • \u5916\u8bbe\u5bc4\u5b58\u5668\u5730\u5740：0x02000000~0x02FFFFFF，\u4e0e DDR3 \u5185\u5b58\u5730\u5740\u5b8c\u5168\u5206\u79bb，\u65e0\u51b2\u7a81\u98ce\u9669\u3002<\/li>\n<\/ul>\n<\/li>\n
                    • \n

                      \u6c47\u7f16\u5230 C \u8bed\u8a00\u7684\u8fc7\u6e21\u6761\u4ef6C \u8bed\u8a00\u7a0b\u5e8f\u7684\u8fd0\u884c\u9700\u8981\u5b8c\u6574\u7684\u8fd0\u884c\u65f6\u73af\u5883，\u6838\u5fc3\u662f\u6808\u5730\u5740（SP）\u7684\u6709\u6548\u914d\u7f6e，\u56e0\u4e3a C \u8bed\u8a00\u7684\u51fd\u6570\u8c03\u7528\u3001\u5c40\u90e8\u53d8\u91cf\u5b58\u50a8\u3001\u53c2\u6570\u4f20\u9012\u3001\u8fd4\u56de\u503c\u4fdd\u5b58\u5747\u4f9d\u8d56\u6808\u5b9e\u73b0\u3002<\/p>\n

                        \n
                      • \u82e5\u672a\u914d\u7f6e\u6808\u5730\u5740，\u8df3\u8f6c\u5230 C \u8bed\u8a00 main \u51fd\u6570\u540e，CPU \u4f1a\u56e0\u65e0\u6cd5\u627e\u5230\u6808\u7a7a\u95f4\u800c\u89e6\u53d1\u6570\u636e\u4e2d\u6b62\u5f02\u5e38，\u7a0b\u5e8f\u8dd1\u98de；<\/li>\n
                      • start.s\u7684\u6838\u5fc3\u76ee\u6807\u5c31\u662f\u4e3a C \u8bed\u8a00\u914d\u7f6e\u597d\u6808\u5730\u5740\u3001\u5904\u7406\u5668\u5de5\u4f5c\u6a21\u5f0f\u3001\u5168\u5c40\u4e2d\u65ad\u72b6\u6001，\u5f53\u8fd9\u4e9b\u521d\u59cb\u5316\u5b8c\u6210\u540e，\u901a\u8fc7b main\u6307\u4ee4\u8df3\u8f6c\u5230 C \u8bed\u8a00\u5165\u53e3，\u5b9e\u73b0\u6c47\u7f16\u5230 C \u7684\u65e0\u7f1d\u8fc7\u6e21，\u8fd9\u662f\u6240\u6709\u88f8\u673a\u7a0b\u5e8f\u7684\u901a\u7528\u521d\u59cb\u5316\u903b\u8f91\u3002<\/li>\n<\/ul>\n<\/li>\n

                        （\u4e8c）main.c：GPIO \u5bc4\u5b58\u5668\u64cd\u4f5c\u4e0e LED \u95ea\u70c1\u903b\u8f91（C \u8bed\u8a00\u6838\u5fc3）<\/h4>\n

                        main.c\u662f\u88f8\u673a\u7a0b\u5e8f\u7684\u4e1a\u52a1\u903b\u8f91\u5165\u53e3，\u6838\u5fc3\u529f\u80fd\u662f\u901a\u8fc7\u76f4\u63a5\u64cd\u4f5c\u7269\u7406\u5bc4\u5b58\u5668\u5b8c\u6210 GPIO1_IO03 \u5f15\u811a\u7684\u5168\u914d\u7f6e，\u5b9e\u73b0 LED \u7684\u5468\u671f\u6027\u95ea\u70c1\u3002\u4ee3\u7801\u91c7\u7528\u6a21\u5757\u5316\u5c01\u88c5\u8bbe\u8ba1，\u5c06\u5bc4\u5b58\u5668\u64cd\u4f5c\u3001LED \u521d\u59cb\u5316\u3001LED \u63a7\u5236\u3001\u5ef6\u65f6\u529f\u80fd\u62c6\u5206\u4e3a\u72ec\u7acb\u51fd\u6570，\u517c\u987e\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u4e0e\u53ef\u6269\u5c55\u6027，\u6240\u6709\u5bc4\u5b58\u5668\u5730\u5740\u3001\u914d\u7f6e\u503c\u5747\u4e25\u683c\u9075\u5faa\u300aIMX6ULL \u53c2\u8003\u624b\u518c\u300bChapter28（GPIO）\u4e0e Chapter32（IOMUXC）\u7684\u5b98\u65b9\u5b9a\u4e49，\u65e0\u81ea\u5b9a\u4e49\u9b54\u6cd5\u6570\u5b57，\u5b8c\u6574\u53ef\u8fd0\u884c\u4ee3\u7801\u5982\u4e0b：<\/p>\n

                        #include <stdint.h> \/\/ \u5f15\u5165C99\u6807\u51c6\u6574\u6570\u7c7b\u578b，\u66ff\u4ee3int\/long，\u589e\u5f3a\u4ee3\u7801\u53ef\u79fb\u690d\u6027\u4e0e\u53ef\u8bfb\u6027<\/p>\n

                        \/\/ ————————– \u5bc4\u5b58\u5668\u7269\u7406\u5730\u5740\u5b9a\u4e49（\u4e25\u683c\u9075\u5faaIMX6ULL\u53c2\u8003\u624b\u518c） ————————–
                        \n\/\/ \u5f15\u811a\u590d\u7528\u914d\u7f6e\u5bc4\u5b58\u5668：GPIO1_IO03\u529f\u80fd\u9009\u62e9，\u5730\u5740：0x020E0068（Chapter32 IOMUXC）
                        \n#define IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO03 ((volatile uint32_t*)0x020E0068)
                        \n\/\/ \u5f15\u811a\u7535\u6c14\u7279\u6027\u914d\u7f6e\u5bc4\u5b58\u5668：GPIO1_IO03\u9a71\u52a8\u80fd\u529b\/\u4e0a\u4e0b\u62c9，\u5730\u5740：0x020E02F4（Chapter32 IOMUXC）
                        \n#define IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO03 ((volatile uint32_t*)0x020E02F4)
                        \n\/\/ GPIO\u65b9\u5411\u914d\u7f6e\u5bc4\u5b58\u5668：GPIO1\u7aef\u53e3\u6240\u6709\u5f15\u811a\u8f93\u5165\/\u8f93\u51fa\u6a21\u5f0f，\u5730\u5740：0x0209C004（Chapter28 GPIO）
                        \n#define GPIO1_GDIR ((volatile uint32_t*)0x0209C004)
                        \n\/\/ GPIO\u6570\u636e\u5bc4\u5b58\u5668：GPIO1\u7aef\u53e3\u6240\u6709\u5f15\u811a\u8f93\u51fa\u7535\u5e73\u63a7\u5236，\u5730\u5740：0x0209C000（Chapter28 GPIO）
                        \n#define GPIO1_DR ((volatile uint32_t*)0x0209C000)<\/p>\n

                        \/\/ ————————– \u5bc4\u5b58\u5668\u64cd\u4f5c\u51fd\u6570\u5c01\u88c5（\u7b80\u5316\u4ee3\u7801，\u7edf\u4e00\u63a5\u53e3） ————————–
                        \n\/\/ \u5199\u5bc4\u5b58\u5668：\u5c06\u503cval\u5199\u5165\u5bc4\u5b58\u5668reg\u6307\u5411\u7684\u7269\u7406\u5730\u5740，static inline\u907f\u514d\u51fd\u6570\u8c03\u7528\u5f00\u9500
                        \nstatic inline void reg_write(volatile uint32_t* reg, uint32_t val) {
                        \n *reg = val;
                        \n}<\/p>\n

                        \/\/ \u8bfb\u5bc4\u5b58\u5668：\u8bfb\u53d6\u5bc4\u5b58\u5668reg\u6307\u5411\u7684\u7269\u7406\u5730\u5740\u7684\u503c\u5e76\u8fd4\u56de
                        \nstatic inline uint32_t reg_read(volatile uint32_t* reg) {
                        \n return *reg;
                        \n}<\/p>\n

                        \/\/ ————————– \u6beb\u79d2\u7ea7\u5ef6\u65f6\u51fd\u6570（\u9002\u914dIMX6ULL 800MHz\u4e3b\u9891） ————————–
                        \n\/\/ \u5ef6\u65f6\u539f\u7406：\u57fa\u4e8eCPU\u4e3b\u9891\u7684\u7a7a\u5faa\u73af，\u6d88\u8017\u56fa\u5b9a\u65f6\u949f\u5468\u671f\u5b9e\u73b0\u8f6f\u4ef6\u5ef6\u65f6
                        \n\/\/ 800MHz\u4e3b\u9891：CPU\u6bcf\u79d2\u6267\u884c800,000,000\u6761\u6307\u4ee4，\u6bcf\u6761\u7a7a\u5faa\u73af\u6307\u4ee4\u7ea6\u53601\u4e2a\u65f6\u949f\u5468\u671f
                        \n\/\/ 1ms\u7406\u8bba\u5faa\u73af\u6b21\u6570：800MHz * 0.001 = 800,000\u6b21，\u5b9e\u9645\u65e0\u9700\u7cbe\u51c6，\u6ee1\u8db3\u89c6\u89c9\u6548\u679c\u5373\u53ef
                        \nstatic void delay_ms(uint32_t ms) {
                        \n for (uint32_t i = 0; i < ms * 800000; i++);
                        \n}<\/p>\n

                        \/\/ ————————– LED\u521d\u59cb\u5316\u51fd\u6570（GPIO\u914d\u7f6e\u4e09\u6b65\u6cd5，\u5de5\u4e1a\u7ea7\u89c4\u8303） ————————–
                        \n\/\/ \u529f\u80fd：\u5b8c\u6210GPIO1_IO03\u5f15\u811a\u7684\u590d\u7528\u914d\u7f6e\u3001\u7535\u6c14\u7279\u6027\u914d\u7f6e\u3001\u65b9\u5411\u914d\u7f6e，\u4e3aLED\u63a7\u5236\u505a\u51c6\u5907
                        \nvoid led_init(void) {
                        \n \/\/ \u6b65\u9aa41：\u590d\u7528\u529f\u80fd\u914d\u7f6e\u2014\u2014\u5c06GPIO1_IO03\u5f15\u811a\u8bbe\u4e3a\u7eafGPIO\u529f\u80fd，\u914d\u7f6e\u503c0x05
                        \n reg_write(IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO03, 0x05);<\/p>\n

                        \/\/ \u6b65\u9aa42：\u7535\u6c14\u7279\u6027\u914d\u7f6e\u2014\u201420mA\u9a71\u52a8\u3001\u4e0a\u62c9\u4f7f\u80fd\u3001\u6162\u901f\u538b\u6446\u7387，\u914d\u7f6e\u503c0x10B0
                        \n reg_write(IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO03, 0x10B0);<\/p>\n

                        \/\/ \u6b65\u9aa43：GPIO\u65b9\u5411\u914d\u7f6e\u2014\u2014\u5c06GPIO1_IO03\u8bbe\u4e3a\u8f93\u51fa\u6a21\u5f0f（\u4ec5\u4fee\u6539bit3，\u4fdd\u7559\u5176\u4ed6\u4f4d\u9ed8\u8ba4\u503c）
                        \n reg_write(GPIO1_GDIR, reg_read(GPIO1_GDIR) | (1 << 3));
                        \n}<\/p>\n

                        \/\/ ————————– LED\u63a7\u5236\u51fd\u6570（\u6a21\u5757\u5316\u5c01\u88c5，\u4fbf\u4e8e\u8c03\u7528\u4e0e\u62d3\u5c55） ————————–
                        \n\/\/ LED\u70b9\u4eae：GPIO1_IO03\u8f93\u51fa\u4f4e\u7535\u5e73（\u4ec5\u5c06bit3\u7f6e0，\u5176\u4ed6\u4f4d\u4e0d\u53d8）
                        \nstatic void led_on(void) {
                        \n reg_write(GPIO1_DR, reg_read(GPIO1_DR) & ~(1 << 3));
                        \n}<\/p>\n

                        \/\/ LED\u7184\u706d：GPIO1_IO03\u8f93\u51fa\u9ad8\u7535\u5e73（\u4ec5\u5c06bit3\u7f6e1，\u5176\u4ed6\u4f4d\u4e0d\u53d8）
                        \nstatic void led_off(void) {
                        \n reg_write(GPIO1_DR, reg_read(GPIO1_DR) | (1 << 3));
                        \n}<\/p>\n

                        \/\/ ————————– \u4e3b\u51fd\u6570（\u7a0b\u5e8f\u4e1a\u52a1\u903b\u8f91\u5165\u53e3） ————————–
                        \nint main(void) {
                        \n led_init(); \/\/ \u521d\u59cb\u5316LED\u5bf9\u5e94\u7684GPIO\u5f15\u811a，\u5fc5\u987b\u5148\u521d\u59cb\u5316\u518d\u63a7\u5236，\u987a\u5e8f\u4e0d\u53ef\u98a0\u5012<\/p>\n

                        \/\/ \u6b7b\u5faa\u73af\u5b9e\u73b0LED\u5468\u671f\u6027\u95ea\u70c1：1\u79d2\u4eae，1\u79d2\u706d
                        \n \/\/ \u88f8\u673a\u7a0b\u5e8f\u65e0\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6，\u6b7b\u5faa\u73af\u4fdd\u8bc1\u7a0b\u5e8f\u4e00\u76f4\u8fd0\u884c，\u4e0d\u4f1a\u9000\u51fa
                        \n while (1) {
                        \n led_on(); \/\/ \u70b9\u4eae\u7ea2\u8272LED
                        \n delay_ms(1000); \/\/ \u5ef6\u65f61000\u6beb\u79d2（1\u79d2）
                        \n led_off(); \/\/ \u7184\u706d\u7ea2\u8272LED
                        \n delay_ms(1000); \/\/ \u5ef6\u65f61000\u6beb\u79d2（1\u79d2）
                        \n }<\/p>\n

                        return 0; \/\/ \u7406\u8bba\u4e0a\u4e0d\u4f1a\u6267\u884c\u5230\u6b64\u5904，\u56e0\u4e3awhile(1)\u662f\u6b7b\u5faa\u73af
                        \n}<\/p>\n

                        \u6838\u5fc3\u903b\u8f91\u8d85\u7ec6\u8282\u89e3\u6790<\/h5>\n
                      • \n

                        \u5bc4\u5b58\u5668\u5730\u5740\u5b9a\u4e49\u7684\u6838\u5fc3\u89c4\u8303\u6240\u6709\u5bc4\u5b58\u5668\u5730\u5740\u5747\u4e3a IMX6ULL \u7684\u7269\u7406\u5730\u5740，\u7531 NXP \u5b98\u65b9\u5728\u82af\u7247\u8bbe\u8ba1\u65f6\u56fa\u5316，\u76f4\u63a5\u6620\u5c04\u5230\u82af\u7247\u7684\u786c\u4ef6\u5bc4\u5b58\u5668，\u901a\u8fc7 C \u8bed\u8a00\u6307\u9488\u53ef\u5b9e\u73b0\u5bf9\u786c\u4ef6\u7684\u76f4\u63a5\u3001\u65e0\u4e2d\u4ecb\u63a7\u5236，\u8fd9\u662f\u88f8\u673a\u5f00\u53d1\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u5f00\u53d1\u7684\u6838\u5fc3\u533a\u522b（\u64cd\u4f5c\u7cfb\u7edf\u5f00\u53d1\u4f7f\u7528\u865a\u62df\u5730\u5740）\u3002<\/p>\n

                          \n
                        • volatile uint32_t*\u7684\u4e09\u91cd\u610f\u4e49：\u2460 uint32_t：IMX6ULL \u7684\u6240\u6709\u5bc4\u5b58\u5668\u5747\u4e3a32 \u4f4d\u5bbd\u5ea6，\u4f7f\u7528 C99 \u6807\u51c6 32 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b，\u5339\u914d\u5bc4\u5b58\u5668\u5bbd\u5ea6，\u907f\u514d\u6570\u636e\u622a\u65ad\u6216\u7c7b\u578b\u4e0d\u5339\u914d；\u2461 volatile：\u5d4c\u5165\u5f0f\u5f00\u53d1\u6838\u5fc3\u5173\u952e\u5b57，\u4e0d\u53ef\u7701\u7565，\u544a\u8bc9\u7f16\u8bd1\u5668 \u201c\u8be5\u53d8\u91cf（\u5bc4\u5b58\u5668）\u7684\u503c\u53ef\u80fd\u88ab\u786c\u4ef6\u81ea\u53d1\u4fee\u6539，\u4e0d\u8981\u8fdb\u884c\u7f13\u5b58\u4f18\u5316\u3001\u6307\u4ee4\u91cd\u6392\u201d，\u82e5\u7701\u7565，\u7f16\u8bd1\u5668\u4f1a\u5c06\u5bc4\u5b58\u5668\u8bfb\u5199\u4f18\u5316\u4e3a\u666e\u901a\u5185\u5b58\u8bfb\u5199，\u5bfc\u81f4\u8bfb\u53d6\u7684\u662f\u7f13\u5b58\u7684\u65e7\u503c，\u800c\u975e\u786c\u4ef6\u7684\u5b9e\u65f6\u503c，\u4ee3\u7801\u5b8c\u5168\u5931\u6548；\u2462 *：\u5c06 16 \u8fdb\u5236\u7269\u7406\u5730\u5740\u8f6c\u6362\u4e3a32 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u6307\u9488，\u901a\u8fc7\u6307\u9488\u89e3\u5f15\u7528（*reg）\u5b9e\u73b0\u5bf9\u5bc4\u5b58\u5668\u7684\u8bfb\u5199\u64cd\u4f5c，\u8fd9\u662f C \u8bed\u8a00\u64cd\u4f5c\u786c\u4ef6\u5bc4\u5b58\u5668\u7684\u6807\u51c6\u65b9\u6cd5\u3002<\/li>\n
                        • \u5b8f\u5b9a\u4e49\u5c01\u88c5：\u4f7f\u7528#define\u5b9a\u4e49\u5bc4\u5b58\u5668\u5730\u5740，\u907f\u514d\u4ee3\u7801\u4e2d\u51fa\u73b0\u9b54\u6cd5\u6570\u5b57，\u82e5\u540e\u7eed\u9700\u8981\u4fee\u6539\u5f15\u811a，\u53ea\u9700\u4fee\u6539\u5b8f\u5b9a\u4e49\u7684\u5730\u5740，\u65e0\u9700\u4fee\u6539\u6240\u6709\u4ee3\u7801，\u63d0\u5347\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n
                        • \n

                          \u5bc4\u5b58\u5668\u64cd\u4f5c\u51fd\u6570\u5c01\u88c5\u7684\u4f18\u52bf\u5c01\u88c5reg_write\u548creg_read\u51fd\u6570，\u66ff\u4ee3\u76f4\u63a5\u7684\u6307\u9488\u89e3\u5f15\u7528\u64cd\u4f5c，\u6838\u5fc3\u4f18\u52bf\u6709\u4e09\u70b9：\u2460 \u7b80\u5316\u4ee3\u7801：\u907f\u514d\u91cd\u590d\u7f16\u5199*reg = val\u548creturn *reg，\u8ba9\u4ee3\u7801\u66f4\u7b80\u6d01；\u2461 \u7edf\u4e00\u63a5\u53e3：\u6240\u6709\u5bc4\u5b58\u5668\u64cd\u4f5c\u5747\u901a\u8fc7\u7edf\u4e00\u63a5\u53e3\u5b8c\u6210，\u82e5\u540e\u7eed\u9700\u8981\u6dfb\u52a0\u5bc4\u5b58\u5668\u64cd\u4f5c\u7684\u65e5\u5fd7\u3001\u6821\u9a8c\u3001\u5bb9\u9519\u529f\u80fd，\u53ea\u9700\u4fee\u6539\u8fd9\u4e24\u4e2a\u51fd\u6570，\u65e0\u9700\u4fee\u6539\u6240\u6709\u4ee3\u7801；\u2462 \u63d0\u5347\u6548\u7387：\u4f7f\u7528static inline\u5173\u952e\u5b57，static\u8868\u793a\u51fd\u6570\u4ec5\u5728\u672c\u6587\u4ef6\u53ef\u89c1，\u907f\u514d\u547d\u540d\u51b2\u7a81；inline\u8868\u793a\u7f16\u8bd1\u5668\u5c06\u51fd\u6570\u4ee3\u7801\u5185\u8054\u5230\u8c03\u7528\u5904，\u907f\u514d\u51fd\u6570\u8c03\u7528\u7684\u6808\u5f00\u9500，\u63d0\u5347\u4ee3\u7801\u6267\u884c\u6548\u7387，\u9002\u5408\u88f8\u673a\u5f00\u53d1\u7684\u9ad8\u6027\u80fd\u9700\u6c42\u3002<\/p>\n<\/li>\n

                        • \n

                          GPIO \u914d\u7f6e\u4e09\u6b65\u6cd5（\u5de5\u4e1a\u7ea7\u901a\u7528\u89c4\u8303，\u7f3a\u4e00\u4e0d\u53ef）IMX6ULL \u7684 GPIO \u5f15\u811a\u63a7\u5236\u5fc5\u987b\u9075\u5faa **\u201c\u590d\u7528\u529f\u80fd\u914d\u7f6e\u2192\u7535\u6c14\u7279\u6027\u914d\u7f6e\u2192GPIO \u65b9\u5411\u914d\u7f6e\u201d** \u7684\u4e09\u6b65\u6cd5，\u987a\u5e8f\u4e0d\u53ef\u98a0\u5012，\u6bcf\u4e00\u6b65\u90fd\u6709\u660e\u786e\u7684\u786c\u4ef6\u610f\u4e49，\u4efb\u4f55\u4e00\u6b65\u7f3a\u5931\u6216\u914d\u7f6e\u9519\u8bef，\u90fd\u4f1a\u5bfc\u81f4 LED \u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c，\u8fd9\u662f\u6240\u6709 SoC \u591a\u529f\u80fd\u5f15\u811a\u63a7\u5236\u7684\u901a\u7528\u89c4\u8303\u3002<\/p>\n

                          \u6b65\u9aa4 1：\u590d\u7528\u529f\u80fd\u914d\u7f6e（IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO03，\u914d\u7f6e\u503c 0x05）<\/h5>\n

                          \u8be5\u5bc4\u5b58\u5668\u4e3a\u5f15\u811a\u590d\u7528\u63a7\u5236\u5bc4\u5b58\u5668，\u6838\u5fc3\u4f5c\u7528\u662f\u6307\u5b9a\u591a\u529f\u80fd\u5f15\u811a\u7684\u5de5\u4f5c\u6a21\u5f0f，\u4ec5\u4f4e 4 \u4f4d（bit0~bit3，MUX_MODE）\u6709\u6548，\u5176\u4ed6\u4f4d\u4e3a\u4fdd\u7559\u4f4d（\u9ed8\u8ba4 0），\u914d\u7f6e\u503c 0x05 \u7684\u4e8c\u8fdb\u5236\u89e3\u6790\u5982\u4e0b：<\/p>\n\n\u5bc4\u5b58\u5668\u4f4d\u6bb5bit3~bit0（MUX_MODE）bit4~bit14（\u4fdd\u7559）bit15（SION）bit16~31（\u4fdd\u7559）<\/tr>\n\n\n\n
                          \u914d\u7f6e\u503c<\/td>\n0101（0x05）<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
                          \u529f\u80fd\u542b\u4e49<\/td>\n\u914d\u7f6e\u4e3a GPIO1_IO03 \u529f\u80fd<\/td>\n\u65e0\u610f\u4e49，\u9ed8\u8ba4 0<\/td>\n\u5173\u95ed SION<\/td>\n\u65e0\u610f\u4e49，\u9ed8\u8ba4 0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                            \n
                          • \u5173\u952e\u610f\u4e49：\u8be5\u5bc4\u5b58\u5668\u7684\u9ed8\u8ba4\u503c\u4e3a 0x00（ALT0，SPI1_SCK \u529f\u80fd），\u82e5\u4e0d\u4e3b\u52a8\u914d\u7f6e\u4e3a 0x05，GPIO1_IO03 \u5f15\u811a\u4f1a\u88ab\u5206\u914d\u7ed9 SPI1 \u5916\u8bbe，\u6b64\u65f6\u5f15\u811a\u7684\u7535\u5e73\u7531 SPI1 \u63a7\u5236\u5668\u63a7\u5236，\u8f6f\u4ef6\u65e0\u6cd5\u901a\u8fc7 GPIO \u5bc4\u5b58\u5668\u4fee\u6539，LED \u81ea\u7136\u65e0\u6cd5\u70b9\u4eae；<\/li>\n
                          • SION \u4f4d（bit15）：\u7528\u4e8e\u5f00\u542f\u5f15\u811a\u7684\u4fe1\u53f7\u8f93\u5165\u529f\u80fd，\u672c\u6b21\u4e3a GPIO \u8f93\u51fa\u6a21\u5f0f，\u65e0\u9700\u5f00\u542f，\u8bbe\u4e3a 0 \u5373\u53ef\u3002<\/li>\n<\/ul>\n
                            \u6b65\u9aa4 2：\u7535\u6c14\u7279\u6027\u914d\u7f6e（IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO03，\u914d\u7f6e\u503c 0x10B0）<\/h5>\n

                            \u8be5\u5bc4\u5b58\u5668\u4e3a\u5f15\u811a\u7535\u6c14\u5c5e\u6027\u63a7\u5236\u5bc4\u5b58\u5668，\u6838\u5fc3\u4f5c\u7528\u662f\u914d\u7f6e\u5f15\u811a\u7684\u9a71\u52a8\u80fd\u529b\u3001\u4e0a\u4e0b\u62c9\u7535\u963b\u3001\u538b\u6446\u7387\u3001\u8fdf\u6ede\u7279\u6027\u3001\u5f00\u8def\u68c0\u6d4b\u7b49\u7535\u6c14\u53c2\u6570，\u8fd9\u4e9b\u53c2\u6570\u76f4\u63a5\u51b3\u5b9a\u5f15\u811a\u7684\u7535\u6c14\u6027\u80fd，\u914d\u7f6e\u503c 0x10B0 \u4e3a\u5341\u516d\u8fdb\u5236，\u8f6c\u6362\u4e3a 32 \u4f4d\u4e8c\u8fdb\u5236\u540e\u4ec5\u4f4e 16 \u4f4d\u6709\u6548，\u9ad8 16 \u4f4d\u4e3a 0，\u6709\u6548\u4f4d\u8be6\u7ec6\u89e3\u6790\u5982\u4e0b（\u6700\u6838\u5fc3\u7684 6 \u4e2a\u4f4d\u6bb5）：<\/p>\n\n\u4f4d\u6bb5\u4f4d\u5bbd\u914d\u7f6e\u503c（\u4e8c\u8fdb\u5236）\u914d\u7f6e\u503c（\u5341\u8fdb\u5236）\u529f\u80fd\u542b\u4e49\u672c\u6b21\u914d\u7f6e\u7684\u5fc5\u8981\u6027<\/tr>\n\n\n\n\n\n\n\n
                            HYS（\u8fdf\u6ede\u7279\u6027）<\/td>\nbit0~3<\/td>\n0000<\/td>\n0<\/td>\n\u5173\u95ed\u8fdf\u6ede\u7279\u6027<\/td>\n\u8f93\u51fa\u6a21\u5f0f\u65e0\u9700\u8fdf\u6ede，\u5173\u95ed\u51cf\u5c11\u529f\u8017<\/td>\n<\/tr>\n
                            SPEED（\u901f\u5ea6\u7b49\u7ea7）<\/td>\nbit4~6<\/td>\n001<\/td>\n1<\/td>\n\u4e2d\u901f（100MHz）<\/td>\n\u5339\u914d GPIO \u4f4e\u901f\u8f93\u51fa\u573a\u666f，\u907f\u514d\u4fe1\u53f7\u5931\u771f<\/td>\n<\/tr>\n
                            DRIVE（\u9a71\u52a8\u80fd\u529b）<\/td>\nbit7~8<\/td>\n01<\/td>\n1<\/td>\n20mA \u9a71\u52a8\u80fd\u529b<\/td>\n\u5339\u914d LED \u7684\u5de5\u4f5c\u7535\u6d41，\u4fdd\u8bc1\u7a33\u5b9a\u70b9\u4eae<\/td>\n<\/tr>\n
                            PULL\/PUSH（\u4e0a\u4e0b\u62c9）<\/td>\nbit9~11<\/td>\n10<\/td>\n2<\/td>\n\u4e0a\u62c9\u7535\u963b\u4f7f\u80fd<\/td>\n\u907f\u514d\u5f15\u811a\u672a\u8f93\u51fa\u65f6\u7535\u5e73\u968f\u673a\u6d6e\u52a8，\u9632\u6b62 LED \u65e0\u6545\u95ea\u70c1<\/td>\n<\/tr>\n
                            OE（\u5f00\u8def\u68c0\u6d4b）<\/td>\nbit12<\/td>\n0<\/td>\n0<\/td>\n\u7981\u7528\u5f00\u8def\u68c0\u6d4b<\/td>\n\u8f93\u51fa\u6a21\u5f0f\u65e0\u9700\u5f00\u8def\u68c0\u6d4b，\u5173\u95ed\u51cf\u5c11\u786c\u4ef6\u5f00\u9500<\/td>\n<\/tr>\n
                            SRE（\u538b\u6446\u7387）<\/td>\nbit13<\/td>\n0<\/td>\n0<\/td>\n\u6162\u901f\u538b\u6446\u7387<\/td>\n\u964d\u4f4e\u5f15\u811a\u7535\u5e73\u53d8\u5316\u901f\u5ea6，\u51cf\u5c11\u7535\u78c1\u5e72\u6270（EMI）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                            \u6838\u5fc3\u53c2\u6570\u8bf4\u660e：<\/p>\n

                              \n
                            • \u9a71\u52a8\u80fd\u529b（DRIVE）：00=10mA，01=20mA，10=30mA，11=40mA，\u672c\u6b21\u914d\u7f6e 20mA，\u662f GPIO \u5f15\u811a\u7684\u5b89\u5168\u6700\u5927\u704c\u7535\u6d41，\u65e2\u6ee1\u8db3 LED \u70b9\u4eae\u9700\u6c42，\u53c8\u4e0d\u8d85\u8fc7\u5f15\u811a\u7684\u786c\u4ef6\u6781\u9650；<\/li>\n
                            • \u4e0a\u4e0b\u62c9\u7535\u963b（PULL\/PUSH）：00 = \u65e0\u4e0a\u4e0b\u62c9，01 = \u4e0b\u62c9，10 = \u4e0a\u62c9，11 = \u4fdd\u7559，\u4e0a\u62c9\u7535\u963b\u53ef\u5c06\u5f15\u811a\u5728\u672a\u8f93\u51fa\u65f6\u4fdd\u6301\u9ad8\u7535\u5e73，\u907f\u514d\u56e0\u5f15\u811a\u60ac\u7a7a\u5bfc\u81f4\u7684\u7535\u5e73\u6296\u52a8，\u662f\u5d4c\u5165\u5f0f\u5f15\u811a\u914d\u7f6e\u7684\u5e38\u89c4\u64cd\u4f5c；<\/li>\n
                            • \u538b\u6446\u7387（SRE）：0 = \u6162\u901f，1 = \u5feb\u901f，\u6162\u901f\u538b\u6446\u7387\u53ef\u964d\u4f4e\u7535\u78c1\u5e72\u6270，\u9002\u5408\u4f4e\u901f\u63a7\u5236\u7684 LED\u3001\u6309\u952e\u7b49\u573a\u666f，\u9ad8\u901f\u901a\u4fe1\u573a\u666f（\u5982 UART\/SPI）\u53ef\u914d\u7f6e\u4e3a\u5feb\u901f\u538b\u6446\u7387\u3002<\/li>\n<\/ul>\n
                              \u6b65\u9aa4 3：GPIO \u65b9\u5411\u914d\u7f6e（GPIO1_GDIR，\u4ec5\u4fee\u6539 bit3）<\/h5>\n

                              \u8be5\u5bc4\u5b58\u5668\u4e3aGPIO \u65b9\u5411\u5bc4\u5b58\u5668，\u63a7\u5236 GPIO1 \u7aef\u53e332 \u4e2a\u5f15\u811a\u7684\u8f93\u5165 \/ \u8f93\u51fa\u6a21\u5f0f，\u4f4d\u4e0e\u5f15\u811a\u4e00\u4e00\u5bf9\u5e94：bitn \u5bf9\u5e94 GPIO1_IOn \u5f15\u811a，\u914d\u7f6e\u89c4\u5219\u4e3a：<\/p>\n

                                \n
                              • bitn = 1：GPIO1_IOn \u5f15\u811a\u4e3a\u8f93\u51fa\u6a21\u5f0f，CPU \u53ef\u4e3b\u52a8\u63a7\u5236\u5f15\u811a\u8f93\u51fa\u9ad8 \/ \u4f4e\u7535\u5e73；<\/li>\n
                              • bitn = 0：GPIO1_IOn \u5f15\u811a\u4e3a\u8f93\u5165\u6a21\u5f0f，CPU \u53ea\u80fd\u8bfb\u53d6\u5f15\u811a\u7684\u5916\u90e8\u7535\u5e73，\u65e0\u6cd5\u4e3b\u52a8\u8f93\u51fa\u3002<\/li>\n<\/ul>\n

                                \u672c\u6b21\u63a7\u5236 GPIO1_IO03 \u5f15\u811a，\u5bf9\u5e94bit3，\u914d\u7f6e\u4ee3\u7801\u4e3areg_read(GPIO1_GDIR) | (1 << 3)，\u8be5\u4ee3\u7801\u662f\u5d4c\u5165\u5f0f\u5bc4\u5b58\u5668\u4f4d\u64cd\u4f5c\u7684\u6807\u51c6\u5199\u6cd5，\u6838\u5fc3\u4f18\u52bf\u662f：\u2460 \u5148\u901a\u8fc7reg_read(GPIO1_GDIR)\u8bfb\u53d6\u5bc4\u5b58\u5668\u7684\u5f53\u524d\u9ed8\u8ba4\u503c，\u4fdd\u7559\u5176\u4ed6 31 \u4f4d\u7684\u539f\u59cb\u914d\u7f6e；\u2461 \u518d\u901a\u8fc7| (1 << 3)\u5c06\u4ec5 bit3 \u7f6e 1，\u5176\u4ed6\u4f4d\u4fdd\u6301\u4e0d\u53d8；\u2462 \u907f\u514d\u4e86\u76f4\u63a5\u5199\u56fa\u5b9a\u503c（\u5982reg_write(GPIO1_GDIR, 0x08)）\u5bfc\u81f4\u7684GPIO1 \u7aef\u53e3\u5176\u4ed6 31 \u4e2a\u5f15\u811a\u7684\u65b9\u5411\u88ab\u9519\u8bef\u4fee\u6539，\u9632\u6b62\u5f71\u54cd\u5176\u4ed6\u5916\u8bbe\u7684\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<\/li>\n

                              • \n

                                GPIO \u6570\u636e\u5bc4\u5b58\u5668（GPIO1_DR）\u4e0e LED \u7535\u5e73\u63a7\u5236GPIO1_DR \u5bc4\u5b58\u5668\u4e3aGPIO \u6570\u636e\u5bc4\u5b58\u5668，\u4e0e GPIO1_GDIR \u5bc4\u5b58\u5668\u7684\u4f4d\u5b9a\u4e49\u5b8c\u5168\u4e00\u81f4（bitn \u5bf9\u5e94 GPIO1_IOn \u5f15\u811a），\u7528\u4e8e\u63a7\u5236 GPIO \u8f93\u51fa\u6a21\u5f0f\u5f15\u811a\u7684\u7535\u5e73\u72b6\u6001，\u89c4\u5219\u5982\u4e0b：<\/p>\n

                                  \n
                                • bitn = 1：GPIO1_IOn \u5f15\u811a\u8f93\u51fa\u9ad8\u7535\u5e73（3.3V）；<\/li>\n
                                • bitn = 0：GPIO1_IOn \u5f15\u811a\u8f93\u51fa\u4f4e\u7535\u5e73（0V）\u3002<\/li>\n<\/ul>\n

                                  \u7ed3\u5408 LED \u7684\u704c\u7535\u6d41\u9a71\u52a8\u786c\u4ef6\u903b\u8f91，\u5b9e\u73b0 LED \u7684\u70b9\u4eae\u4e0e\u7184\u706d，\u4f4d\u64cd\u4f5c\u6807\u51c6\u5199\u6cd5\u89e3\u6790：<\/p>\n

                                    \n
                                  • \u70b9\u4eae（led_on）：\u9700\u8981 GPIO1_IO03 \u8f93\u51fa\u4f4e\u7535\u5e73\u2192 \u5c06 bit3 \u7f6e 0\u2192 \u4ee3\u7801：reg_read(GPIO1_DR) & ~(1 << 3)\n
                                      \n
                                    • 1 << 3：\u751f\u6210\u4ec5 bit3 \u4e3a 1 \u7684\u63a9\u7801（0x08）；<\/li>\n
                                    • ~(1 << 3)：\u5bf9\u63a9\u7801\u53d6\u53cd，\u751f\u6210\u4ec5 bit3 \u4e3a 0\u3001\u5176\u4ed6\u4f4d\u4e3a 1 \u7684\u63a9\u7801；<\/li>\n
                                    • &：\u4e0e\u64cd\u4f5c，\u4ec5\u5c06 GPIO1_DR \u7684 bit3 \u7f6e 0，\u5176\u4ed6\u4f4d\u4fdd\u7559\u539f\u59cb\u503c；<\/li>\n<\/ul>\n<\/li>\n
                                    • \u7184\u706d（led_off）：\u9700\u8981 GPIO1_IO03 \u8f93\u51fa\u9ad8\u7535\u5e73\u2192 \u5c06 bit3 \u7f6e 1\u2192 \u4ee3\u7801：reg_read(GPIO1_DR) | (1 << 3)\n
                                        \n
                                      • 1 << 3：\u751f\u6210\u4ec5 bit3 \u4e3a 1 \u7684\u63a9\u7801；<\/li>\n
                                      • |：\u6216\u64cd\u4f5c，\u4ec5\u5c06 GPIO1_DR \u7684 bit3 \u7f6e 1，\u5176\u4ed6\u4f4d\u4fdd\u7559\u539f\u59cb\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                        \u8fd9\u4e24\u79cd\u4f4d\u64cd\u4f5c\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u4e2d\u5bc4\u5b58\u5668\u7279\u5b9a\u4f4d\u7f6e 0 \/ \u7f6e 1\u7684\u901a\u7528\u65b9\u6cd5，\u9002\u7528\u4e8e\u6240\u6709 SoC \u7684\u5bc4\u5b58\u5668\u4f4d\u64cd\u4f5c，\u5fc5\u987b\u719f\u7ec3\u638c\u63e1，\u6838\u5fc3\u539f\u5219\u662f **\u201c\u4fee\u6539\u6307\u5b9a\u4f4d，\u4fdd\u7559\u5176\u4ed6\u4f4d\u201d**\u3002<\/p>\n<\/li>\n

                                      • \n

                                        \u8f6f\u4ef6\u5ef6\u65f6\u51fd\u6570\u7684\u539f\u7406\u4e0e\u5c40\u9650\u6027\u672c\u6b21\u91c7\u7528\u57fa\u4e8e CPU \u4e3b\u9891\u7684\u7a7a\u5faa\u73af\u8f6f\u4ef6\u5ef6\u65f6，\u539f\u7406\u662f\u5229\u7528 CPU \u7684\u65f6\u949f\u5468\u671f，\u901a\u8fc7\u7a7a\u5faa\u73affor (i=0; i<N; i++)\u6d88\u8017\u56fa\u5b9a\u7684\u65f6\u949f\u5468\u671f，\u5b9e\u73b0\u6beb\u79d2\u7ea7\u5ef6\u65f6\u3002<\/p>\n

                                          \n
                                        • \u8ba1\u7b97\u4f9d\u636e：IMX6ULL \u5546\u4e1a\u7ea7\u4e3b\u9891\u4e3a 800MHz，\u5373 CPU \u6bcf\u79d2\u6267\u884c 800,000,000 \u6761\u6307\u4ee4，\u6bcf\u6761\u7a7a\u5faa\u73af\u6307\u4ee4（i++）\u7ea6\u5360 1 \u4e2a\u65f6\u949f\u5468\u671f，\u56e0\u6b64 1ms \u9700\u8981 800,000 \u6b21\u5faa\u73af；<\/li>\n
                                        • \u5c40\u9650\u6027：\u8f6f\u4ef6\u5ef6\u65f6\u7684\u7cbe\u5ea6\u8f83\u4f4e（\u8bef\u5dee\u7ea6 \u00b110%），\u53d7\u7f16\u8bd1\u5668\u4f18\u5316\u3001CPU \u8d1f\u8f7d\u3001\u6307\u4ee4\u6267\u884c\u6548\u7387\u5f71\u54cd，\u5b9e\u9645\u5ef6\u65f6\u65f6\u95f4\u4e0e\u7406\u8bba\u503c\u5b58\u5728\u504f\u5dee；\u540c\u65f6\u7a7a\u5faa\u73af\u4f1a\u5360\u7528 CPU \u5168\u90e8\u8d44\u6e90，\u5bfc\u81f4 CPU \u65e0\u6cd5\u6267\u884c\u5176\u4ed6\u4efb\u52a1；<\/li>\n
                                        • \u5de5\u4e1a\u7ea7\u66ff\u4ee3\u65b9\u6848：\u4f7f\u7528 IMX6ULL \u7684GPT \u901a\u7528\u5b9a\u65f6\u5668\u6216SysTick \u7cfb\u7edf\u5b9a\u65f6\u5668\u5b9e\u73b0\u5fae\u79d2\u7ea7\u7cbe\u51c6\u5ef6\u65f6，\u5b9a\u65f6\u5668\u5ef6\u65f6\u57fa\u4e8e\u786c\u4ef6\u65f6\u949f，\u4e0d\u53d7\u8f6f\u4ef6\u56e0\u7d20\u5f71\u54cd，\u7cbe\u5ea6\u53ef\u8fbe 1us，\u4e14\u5ef6\u65f6\u8fc7\u7a0b\u4e2d CPU \u53ef\u6267\u884c\u5176\u4ed6\u4efb\u52a1，\u63d0\u5347\u7cfb\u7edf\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n
                                        • \n

                                          \u6a21\u5757\u5316\u5c01\u88c5\u8bbe\u8ba1\u7684\u5de5\u4e1a\u7ea7\u610f\u4e49\u4ee3\u7801\u5c06 LED \u63a7\u5236\u62c6\u5206\u4e3aled_init\u3001led_on\u3001led_off\u72ec\u7acb\u51fd\u6570，\u800c\u975e\u5c06\u6240\u6709\u903b\u8f91\u5199\u5728 main \u51fd\u6570\u4e2d，\u8fd9\u662f\u5de5\u4e1a\u7ea7\u5d4c\u5165\u5f0f\u4ee3\u7801\u7684\u6807\u51c6\u8bbe\u8ba1\u89c4\u8303，\u6838\u5fc3\u4f18\u52bf：\u2460 \u9ad8\u5185\u805a\u4f4e\u8026\u5408：\u6bcf\u4e2a\u51fd\u6570\u53ea\u8d1f\u8d23\u4e00\u4e2a\u5355\u4e00\u529f\u80fd，\u903b\u8f91\u6e05\u6670，\u4fbf\u4e8e\u7406\u89e3\u3001\u8c03\u8bd5\u4e0e\u7ef4\u62a4；\u2461 \u53ef\u6269\u5c55\u6027\u5f3a：\u82e5\u540e\u7eed\u9700\u8981\u63a7\u5236\u591a\u4e2a LED \u706f，\u53ea\u9700\u590d\u5236\u8fd9\u4e9b\u51fd\u6570，\u4fee\u6539\u5bf9\u5e94\u7684\u5bc4\u5b58\u5668\u5730\u5740\u4e0e\u5f15\u811a\u4f4d\u5373\u53ef，\u65e0\u9700\u91cd\u6784\u6574\u4f53\u903b\u8f91；\u2462 \u4ee3\u7801\u590d\u7528\u6027\u9ad8：\u540e\u7eed\u5f00\u53d1\u5176\u4ed6\u5916\u8bbe（\u5982\u6309\u952e\u3001\u8702\u9e23\u5668\u3001\u7ee7\u7535\u5668）\u65f6，\u53ef\u590d\u7528\u5bc4\u5b58\u5668\u64cd\u4f5c\u3001\u5ef6\u65f6\u51fd\u6570\u7b49\u901a\u7528\u6a21\u5757；\u2463 \u4fbf\u4e8e\u56e2\u961f\u534f\u4f5c：\u6a21\u5757\u5316\u4ee3\u7801\u7684\u63a5\u53e3\u6e05\u6670，\u4e0d\u540c\u5f00\u53d1\u4eba\u5458\u53ef\u8d1f\u8d23\u4e0d\u540c\u6a21\u5757，\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002<\/p>\n<\/li>\n

                                          \u56db\u3001\u6838\u5fc3\u6280\u672f\u89e3\u6790：\u5e95\u5c42\u539f\u7406\u4e0e\u901a\u7528\u8bbe\u8ba1\u89c4\u8303<\/h3>\n

                                          \u672c\u6b21\u5b9e\u9a8c\u7684\u6838\u5fc3\u4e0d\u4ec5\u662f\u5b9e\u73b0 LED \u95ea\u70c1\u7684\u529f\u80fd，\u66f4\u5728\u4e8e\u7406\u89e3\u5d4c\u5165\u5f0f\u88f8\u673a\u5f00\u53d1\u7684\u5e95\u5c42\u539f\u7406\u4e0e\u5de5\u4e1a\u7ea7\u901a\u7528\u8bbe\u8ba1\u89c4\u8303，\u8fd9\u4e9b\u539f\u7406\u4e0e\u89c4\u8303\u9002\u7528\u4e8e\u6240\u6709\u5d4c\u5165\u5f0f\u88f8\u673a\u5f00\u53d1\u573a\u666f（\u5982\u6309\u952e\u3001\u4e32\u53e3\u3001SPI\u3001I2C \u7b49），\u662f\u642d\u5efa\u5d4c\u5165\u5f0f\u5f00\u53d1\u77e5\u8bc6\u4f53\u7cfb\u7684\u57fa\u7840，\u4e5f\u662f\u4ece \u201c\u65b0\u624b\u201d \u5230 \u201c\u4e13\u4e1a\u5d4c\u5165\u5f0f\u5de5\u7a0b\u5e08\u201d \u7684\u6838\u5fc3\u8de8\u8d8a\u3002<\/p>\n

                                          （\u4e00）SoC \u591a\u529f\u80fd\u5f15\u811a\u914d\u7f6e\u7684\u4e09\u5927\u6838\u5fc3\u6b65\u9aa4（\u901a\u7528\u89c4\u8303）<\/h4>\n

                                          \u6240\u6709\u57fa\u4e8e SoC \u7684\u5d4c\u5165\u5f0f\u5f00\u53d1，\u5176\u591a\u529f\u80fd\u5f15\u811a\u63a7\u5236\u5747\u9700\u9075\u5faa **\u201c\u590d\u7528\u529f\u80fd\u914d\u7f6e\u2192\u7535\u6c14\u7279\u6027\u914d\u7f6e\u2192\u5916\u8bbe\u529f\u80fd\u914d\u7f6e\u201d** \u7684\u4e09\u5927\u6838\u5fc3\u6b65\u9aa4，\u672c\u6b21\u5b9e\u9a8c\u7684 GPIO \u914d\u7f6e\u662f\u8be5\u89c4\u8303\u7684\u5178\u578b\u5e94\u7528，\u4e09\u6b65\u6cd5\u7684\u5e95\u5c42\u903b\u8f91\u4e0e\u901a\u7528\u8981\u6c42\u5982\u4e0b：<\/p>\n

                                        • \n

                                          \u590d\u7528\u529f\u80fd\u914d\u7f6e（IOMUXC \u5bc4\u5b58\u5668）<\/p>\n

                                            \n
                                          • \u6838\u5fc3\u76ee\u6807：\u5c06\u591a\u529f\u80fd\u5f15\u811a\u552f\u4e00\u5206\u914d\u7ed9\u76ee\u6807\u5916\u8bbe（\u5982 GPIO\u3001UART\u3001SPI\u3001I2C），\u89e3\u51b3 \u201c\u4e00\u4e2a\u5f15\u811a\u5bf9\u5e94\u591a\u4e2a\u5916\u8bbe\u201d \u7684\u786c\u4ef6\u590d\u7528\u95ee\u9898；<\/li>\n
                                          • \u5e95\u5c42\u903b\u8f91：SoC \u5185\u90e8\u4e3a\u6bcf\u4e2a\u591a\u529f\u80fd\u5f15\u811a\u8bbe\u8ba1\u4e86\u591a\u8def\u9009\u62e9\u5668（MUX），\u901a\u8fc7\u590d\u7528\u5bc4\u5b58\u5668\u7684 MUX_MODE \u4f4d\u6bb5\u53ef\u63a7\u5236\u591a\u8def\u9009\u62e9\u5668\u7684\u5f00\u5173，\u5c06\u5f15\u811a\u7684\u7269\u7406\u94fe\u8def\u8fde\u63a5\u5230\u76ee\u6807\u5916\u8bbe\u7684\u63a7\u5236\u5668；<\/li>\n
                                          • \u901a\u7528\u8981\u6c42：\u914d\u7f6e\u503c\u5fc5\u987b\u4e25\u683c\u9075\u5faa SoC \u53c2\u8003\u624b\u518c，\u4e0d\u540c\u5916\u8bbe\u5bf9\u5e94\u4e0d\u540c\u7684 MUX_MODE \u503c，\u4e0d\u53ef\u968f\u610f\u914d\u7f6e，\u4e14\u4e00\u4e2a\u5f15\u811a\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u5206\u914d\u7ed9\u4e00\u4e2a\u5916\u8bbe\u3002<\/li>\n<\/ul>\n<\/li>\n
                                          • \n

                                            \u7535\u6c14\u7279\u6027\u914d\u7f6e（IOMUXC_PAD \u5bc4\u5b58\u5668）<\/p>\n

                                              \n
                                            • \u6838\u5fc3\u76ee\u6807：\u914d\u7f6e\u5f15\u811a\u7684\u7535\u6c14\u53c2\u6570（\u9a71\u52a8\u80fd\u529b\u3001\u4e0a\u4e0b\u62c9\u3001\u538b\u6446\u7387\u7b49），\u4fdd\u8bc1\u5f15\u811a\u4e0e\u5916\u8bbe\u4e4b\u95f4\u7684\u7535\u6c14\u5339\u914d，\u8ba9\u5f15\u811a\u7a33\u5b9a\u5de5\u4f5c；<\/li>\n
                                            • \u5e95\u5c42\u903b\u8f91：\u5f15\u811a\u7684\u7535\u6c14\u53c2\u6570\u51b3\u5b9a\u4e86\u5176\u4fe1\u53f7\u4f20\u8f93\u7279\u6027，\u82e5\u7535\u6c14\u53c2\u6570\u4e0e\u5916\u8bbe\u4e0d\u5339\u914d，\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u5931\u771f\u3001\u7535\u5e73\u6d6e\u52a8\u3001\u8bbe\u5907\u635f\u574f\u7b49\u95ee\u9898；<\/li>\n
                                            • \u901a\u7528\u8981\u6c42：\u6839\u636e\u5916\u8bbe\u7684\u5de5\u4f5c\u7279\u6027\u914d\u7f6e\u53c2\u6570，\u5982 LED \/ \u6309\u952e\u7b49\u4f4e\u901f\u5916\u8bbe\u914d\u7f6e\u4f4e\u9a71\u52a8\u80fd\u529b\u3001\u6162\u901f\u538b\u6446\u7387\u3001\u4e0a\u62c9 \/ \u4e0b\u62c9\u4f7f\u80fd；UART\/SPI \u7b49\u9ad8\u901f\u901a\u4fe1\u5916\u8bbe\u914d\u7f6e\u9ad8\u9a71\u52a8\u80fd\u529b\u3001\u5feb\u901f\u538b\u6446\u7387\u3001\u65e0\u4e0a\u4e0b\u62c9（\u7531\u901a\u4fe1\u534f\u8bae\u4fdd\u8bc1\u7535\u5e73）\u3002<\/li>\n<\/ul>\n<\/li>\n
                                            • \n

                                              \u5916\u8bbe\u529f\u80fd\u914d\u7f6e（\u5916\u8bbe\u4e13\u7528\u5bc4\u5b58\u5668）<\/p>\n

                                                \n
                                              • \u6838\u5fc3\u76ee\u6807：\u901a\u8fc7\u76ee\u6807\u5916\u8bbe\u7684\u4e13\u7528\u5bc4\u5b58\u5668，\u914d\u7f6e\u5916\u8bbe\u7684\u5de5\u4f5c\u6a21\u5f0f\u3001\u529f\u80fd\u53c2\u6570，\u5b9e\u73b0\u5bf9\u5177\u4f53\u5916\u8bbe\u7684\u7cbe\u51c6\u63a7\u5236；<\/li>\n
                                              • \u5e95\u5c42\u903b\u8f91：\u5f15\u811a\u4ec5\u4e3a\u7269\u7406\u4f20\u8f93\u94fe\u8def，\u771f\u6b63\u7684\u529f\u80fd\u63a7\u5236\u7531 SoC \u5185\u90e8\u7684\u5916\u8bbe\u63a7\u5236\u5668\u5b9e\u73b0，\u5916\u8bbe\u63a7\u5236\u5668\u901a\u8fc7\u4e13\u7528\u5bc4\u5b58\u5668\u8fdb\u884c\u914d\u7f6e；<\/li>\n
                                              • \u901a\u7528\u8981\u6c42：\u6309\u5916\u8bbe\u7684\u529f\u80fd\u9700\u6c42\u8fdb\u884c\u9488\u5bf9\u6027\u914d\u7f6e，\u5982 GPIO \u914d\u7f6e\u65b9\u5411 \/ \u7535\u5e73\u3001UART \u914d\u7f6e\u6ce2\u7279\u7387 \/ \u6570\u636e\u4f4d \/ \u505c\u6b62\u4f4d\u3001SPI \u914d\u7f6e\u65f6\u949f \/ \u6781\u6027 \/ \u76f8\u4f4d，\u4e14\u5fc5\u987b\u5728\u5f15\u811a\u590d\u7528\u4e0e\u7535\u6c14\u7279\u6027\u914d\u7f6e\u5b8c\u6210\u540e\u8fdb\u884c，\u5426\u5219\u5916\u8bbe\u63a7\u5236\u5668\u65e0\u6cd5\u63a7\u5236\u5f15\u811a\u3002<\/li>\n<\/ul>\n<\/li>\n

                                                \u6838\u5fc3\u539f\u5219：\u4e09\u6b65\u914d\u7f6e\u7684\u987a\u5e8f\u4e0d\u53ef\u98a0\u5012，\u5fc5\u987b\u5148\u5b8c\u6210\u5f15\u811a\u7684\u590d\u7528\u4e0e\u7535\u6c14\u7279\u6027\u914d\u7f6e，\u518d\u8fdb\u884c\u5916\u8bbe\u529f\u80fd\u914d\u7f6e，\u5426\u5219\u5916\u8bbe\u63a7\u5236\u5668\u65e0\u6cd5\u4e0e\u5f15\u811a\u5efa\u7acb\u6709\u6548\u8fde\u63a5，\u914d\u7f6e\u5b8c\u5168\u65e0\u6548\u3002<\/p>\n

                                                （\u4e8c）\u5d4c\u5165\u5f0f\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u7684\u5206\u5de5\u4e0e\u5b8c\u6574\u5de5\u4f5c\u6d41\u7a0b<\/h4>\n

                                                \u5d4c\u5165\u5f0f\u88f8\u673a\u5f00\u53d1\u7684\u7f16\u8bd1\u5de5\u5177\u94fe\u4e3aARM-Linux \u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe，\u6838\u5fc3\u7531 ** \u7f16\u8bd1\u5668（gcc）\u3001\u94fe\u63a5\u5668（ld）\u3001\u683c\u5f0f\u8f6c\u6362\u5668（objcopy）\u3001\u53cd\u6c47\u7f16\u5668（objdump）** \u56db\u5927\u5de5\u5177\u7ec4\u6210，\u56db\u5927\u5de5\u5177\u5404\u53f8\u5176\u804c，\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u7f16\u8bd1\u94fe\u8def，\u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u6c47\u7f16 \/ C \u4ee3\u7801\u8f6c\u6362\u4e3a\u5f00\u53d1\u677f\u53ef\u76f4\u63a5\u8fd0\u884c\u7684\u4e8c\u8fdb\u5236\u4ee3\u7801\u3002\u5de5\u5177\u94fe\u7684\u5b8c\u6574\u5de5\u4f5c\u6d41\u7a0b\u4e3a：<\/p>\n

                                                start.s + main.c \u2192 \u7f16\u8bd1\u5668（gcc）\u2192 \u76ee\u6807\u6587\u4ef6（start.o + main.o）\u2192 \u94fe\u63a5\u5668（ld）\u2192 ELF\u53ef\u6267\u884c\u6587\u4ef6（led.elf）\u2192 \u683c\u5f0f\u8f6c\u6362\u5668（objcopy）\u2192 \u4e8c\u8fdb\u5236\u6587\u4ef6（led.bin）
                                                \n \u2193
                                                \n \u53cd\u6c47\u7f16\u5668（objdump）\u2192 \u53cd\u6c47\u7f16\u6587\u4ef6（led.dis）<\/p>\n

                                                \u56db\u5927\u6838\u5fc3\u5de5\u5177\u7684\u8d85\u7ec6\u8282\u5206\u5de5\u4e0e\u4f5c\u7528<\/h5>\n\n\u5de5\u5177\u7c7b\u578b\u6838\u5fc3\u5de5\u5177\u82f1\u6587\u5168\u79f0\u6838\u5fc3\u5de5\u4f5c\u6d41\u7a0b\u672c\u6b21\u5b9e\u9a8c\u8f93\u5165\u672c\u6b21\u5b9e\u9a8c\u8f93\u51fa\u5173\u952e\u53c2\u6570 \/ \u9009\u9879（\u6838\u5fc3\u4f5c\u7528）<\/tr>\n\n\n\n\n\n
                                                \u7f16\u8bd1\u5668<\/td>\ngcc<\/td>\nGNU Compiler Collection<\/td>\n1. \u5bf9\u6c47\u7f16\u6587\u4ef6（.s）：\u6c47\u7f16\u2192\u5c06\u6c47\u7f16\u6307\u4ee4\u8f6c\u6362\u4e3a\u673a\u5668\u7801；2. \u5bf9 C \u6587\u4ef6（.c）：\u9884\u5904\u7406\u2192\u7f16\u8bd1\u2192\u6c47\u7f16\u2192\u5b8c\u6210\u8bed\u6cd5\u68c0\u67e5\u3001\u5b8f\u5c55\u5f00\u3001\u4ee3\u7801\u4f18\u5316，\u8f6c\u6362\u4e3a\u673a\u5668\u7801；3. \u4e3a\u76ee\u6807\u6587\u4ef6\u6dfb\u52a0\u7b26\u53f7\u8868\u3001\u8c03\u8bd5\u4fe1\u606f\u3002<\/td>\nstart.s\u3001main.c<\/td>\nstart.o\u3001main.o<\/td>\n-c（\u4ec5\u7f16\u8bd1 \/ \u6c47\u7f16\u4e0d\u94fe\u63a5）-g（\u4fdd\u7559\u8c03\u8bd5\u4fe1\u606f）-march=armv7-a（\u6307\u5b9a ARM \u67b6\u6784）-O0（\u5173\u95ed\u4f18\u5316，\u8c03\u8bd5\u5fc5\u5907）<\/td>\n<\/tr>\n
                                                \u94fe\u63a5\u5668<\/td>\nld<\/td>\nLinker<\/td>\n1. \u5408\u5e76\u591a\u4e2a\u76ee\u6807\u6587\u4ef6（.o）\u7684\u4ee3\u7801\u6bb5\u3001\u6570\u636e\u6bb5\u3001bss \u6bb5；2. \u5206\u914d\u7a0b\u5e8f\u8fd0\u884c\u7684\u7269\u7406\u5730\u5740（\u901a\u8fc7 – Ttext \u6307\u5b9a）；3. \u89e3\u51b3\u76ee\u6807\u6587\u4ef6\u4e4b\u95f4\u7684\u7b26\u53f7\u5f15\u7528（\u5982 main \u51fd\u6570\u3001_start \u5168\u5c40\u7b26\u53f7）；4. \u751f\u6210\u5b8c\u6574\u7684 ELF \u683c\u5f0f\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/td>\nstart.o\u3001main.o<\/td>\nled.elf<\/td>\n-Ttext 0x87800000（\u6307\u5b9a\u7a0b\u5e8f\u8fd0\u884c\u8d77\u59cb\u5730\u5740，IMX6ULL \u56fa\u5b9a）<\/td>\n<\/tr>\n
                                                \u683c\u5f0f\u8f6c\u6362\u5668<\/td>\nobjcopy<\/td>\nObject Copy<\/td>\n1. \u89e3\u6790 ELF \u6587\u4ef6\u7684\u6bb5\u7ed3\u6784，\u63d0\u53d6\u7eaf\u673a\u5668\u7801\u4e0e\u6570\u636e；2. \u53bb\u9664 ELF \u6587\u4ef6\u4e2d\u7684\u7b26\u53f7\u8868\u3001\u8c03\u8bd5\u4fe1\u606f\u3001\u6bb5\u8868\u3001\u6ce8\u91ca\u7b49\u5197\u4f59\u5185\u5bb9；3. \u751f\u6210\u7eaf\u4e8c\u8fdb\u5236\u6587\u4ef6（.bin），\u5f00\u53d1\u677f BootLoader \u53ef\u76f4\u63a5\u52a0\u8f7d\u8fd0\u884c\u3002<\/td>\nled.elf<\/td>\nled.bin<\/td>\n-O binary（\u6307\u5b9a\u8f93\u51fa\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236）-S（\u53bb\u9664\u7b26\u53f7\u8868）-g（\u53bb\u9664\u8c03\u8bd5\u4fe1\u606f）<\/td>\n<\/tr>\n
                                                \u53cd\u6c47\u7f16\u5668<\/td>\nobjdump<\/td>\nObject Dump<\/td>\n1. \u89e3\u6790 ELF \u6587\u4ef6\u7684\u673a\u5668\u7801，\u5c06\u5176\u53cd\u6c47\u7f16\u4e3a\u53ef\u8bfb\u7684 ARM \u6c47\u7f16\u4ee3\u7801；2. \u751f\u6210\u53cd\u6c47\u7f16\u6587\u4ef6（.dis），\u5305\u542b\u5730\u5740\u3001\u673a\u5668\u7801\u3001\u6c47\u7f16\u6307\u4ee4\u4e09\u8005\u7684\u5bf9\u5e94\u5173\u7cfb；3. \u4fbf\u4e8e\u5f00\u53d1\u8005\u8c03\u8bd5\u4ee3\u7801\u903b\u8f91\u3001\u6392\u67e5\u5730\u5740\u9519\u8bef\u3001\u9a8c\u8bc1\u7f16\u8bd1\u7ed3\u679c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

                                                \u4e00\u3001\u5f00\u53d1\u677f\u786c\u4ef6：\u5de5\u4e1a\u7ea7\u67b6\u6784\u4e0e LED \u7535\u8def\u5e95\u5c42\u89e3\u6790
                                                \n\u6b63\u70b9\u539f\u5b50 IMX6ULL-Mini \u5f00\u53d1\u677f\u91c7\u7528\u6838\u5fc3\u677f \u5e95\u677f\u7684\u5206\u79bb\u5f0f\u67b6\u6784\u8bbe\u8ba1，\u8fd9\u662f\u5de5\u4e1a\u7ea7\u5d4c\u5165\u5f0f\u4ea7\u54c1\u7684\u4e3b\u6d41\u8bbe\u8ba1\u65b9\u6848，\u65e2\u4fdd\u8bc1\u6838\u5fc3\u8ba1\u7b97\u6a21\u5757\u7684\u7a33\u5b9a\u6027，\u53c8\u517c\u987e\u5e95\u677f\u5916\u8bbe\u7684\u6269\u5c55\u6027\u3002\u786c\u4ef6\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u57fa\u7840，\u6240\u6709\u8f6f\u4ef6\u4ee3\u7801\u5747\u56f4\u7ed5\u786c\u4ef6\u7279\u6027\u7f16\u5199，\u7406\u89e3\u786c\u4ef6\u7ec6\u8282\u662f\u5b9e\u73b0\u7cbe\u51c6\u63a7\u5236\u7684\u524d\u63d0\u3002
                                                \n（\u4e00）\u6838\u5fc3\u677f：\u5de5\u4e1a\u7ea7\u53c2\u6570\u4e0e\u786c\u4ef6\u7279\u6027
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