{"id":77989,"date":"2026-02-25T21:06:12","date_gmt":"2026-02-25T13:06:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77989.html"},"modified":"2026-02-25T21:06:12","modified_gmt":"2026-02-25T13:06:12","slug":"%e5%b5%8c%e5%85%a5%e5%bc%8f%e8%b0%83%e8%af%95%e4%b8%ad%e7%9a%84%e5%b9%bd%e7%81%b5%e4%bf%a1%e5%8f%b7%ef%bc%9a%e4%bb%8eilitek%e8%a7%a6%e6%91%b8%e5%b1%8f%e7%9a%8432k%e5%b9%b2%e6%89%b0%e6%b3%a2%e8%af%b4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77989.html","title":{"rendered":"\u5d4c\u5165\u5f0f\u8c03\u8bd5\u4e2d\u7684\u5e7d\u7075\u4fe1\u53f7\uff1a\u4eceilitek\u89e6\u6478\u5c4f\u768432K\u5e72\u6270\u6ce2\u8bf4\u8d77"},"content":{"rendered":"<h2>\u5d4c\u5165\u5f0f\u8c03\u8bd5\u4e2d\u7684\u5e7d\u7075\u4fe1\u53f7&#xff1a;\u4eceilitek\u89e6\u6478\u5c4f\u768432K\u5e72\u6270\u6ce2\u8bf4\u8d77<\/h2>\n<p>\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u9886\u57df&#xff0c;\u786c\u4ef6\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\u5f80\u5f80\u5982\u540c\u5e7d\u7075\u822c\u96be\u4ee5\u6349\u6478&#xff0c;\u5374\u53c8\u65e0\u5904\u4e0d\u5728\u3002\u8bb8\u591a\u5de5\u7a0b\u5e08\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u90fd\u66fe\u9047\u5230\u8fc7\u8fd9\u6837\u7684\u56f0\u5883&#xff1a;\u8f6f\u4ef6\u903b\u8f91\u65e0\u8bef&#xff0c;\u786c\u4ef6\u8fde\u63a5\u6b63\u786e&#xff0c;\u4f46\u7cfb\u7edf\u5c31\u662f\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u8fd9\u79cd\u95ee\u9898\u5f80\u5f80\u6e90\u4e8e\u90a3\u4e9b\u770b\u4e0d\u89c1\u3001\u6478\u4e0d\u7740\u7684\u4fe1\u53f7\u5e72\u6270&#xff0c;\u5b83\u4eec\u6084\u65e0\u58f0\u606f\u5730\u5f71\u54cd\u7740\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002\u6700\u8fd1\u5728\u4e00\u4e2a\u57fa\u4e8eRK3566\u5e73\u53f0\u7684\u89e6\u6478\u5c4f\u8c03\u8bd5\u6848\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u5c31\u9047\u5230\u4e86\u4e00\u4e2a\u5178\u578b\u7684\u5e7d\u7075\u4fe1\u53f7\u95ee\u9898\u2014\u201432K\u65b9\u6ce2\u5e72\u6270\u5bfc\u81f4\u7684\u89e6\u6478\u5c4f\u5f02\u5e38\u3002<\/p>\n<p>\u8fd9\u4e2a\u6848\u4f8b\u6d89\u53cailitek 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11\u5e73\u53f0\u4e0a\u96c6\u6210ilitek\u89e6\u6478\u5c4f\u65f6&#xff0c;\u9996\u5148\u9700\u8981\u5c06\u9a71\u52a8\u7a0b\u5e8f\u6574\u5408\u5230\u5185\u6838\u4e2d\u3002\u9a71\u52a8\u7a0b\u5e8f\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6587\u4ef6&#xff1a;\u4e3b\u9a71\u52a8\u6587\u4ef6\u3001\u5934\u6587\u4ef6\u5b9a\u4e49\u4ee5\u53ca\u8bbe\u5907\u6811\u914d\u7f6e\u53c2\u8003\u3002\u5c06\u8fd9\u4e9b\u6587\u4ef6\u653e\u7f6e\u5728drivers\/input\/touchscreen\/\u76ee\u5f55\u4e0b\u662f\u6807\u51c6\u505a\u6cd5&#xff0c;\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\u76ee\u5f55\u547d\u540d\u7684\u4e00\u81f4\u6027&#xff0c;\u56e0\u4e3a\u540e\u7eed\u7684Makefile\u548cKconfig\u914d\u7f6e\u90fd\u4f1a\u4f9d\u8d56\u8fd9\u4e2a\u76ee\u5f55\u540d\u3002<\/p>\n<p>\u8bbe\u5907\u6811\u914d\u7f6e\u662f\u89e6\u6478\u5c4f\u8c03\u8bd5\u4e2d\u7684\u5173\u952e\u4e00\u73af&#xff0c;\u6b63\u786e\u7684\u914d\u7f6e\u5e94\u5f53\u5305\u542b\u4ee5\u4e0b\u8981\u7d20&#xff1a;<\/p>\n<p>&amp;i2c1 {<br \/>\n    status &#061; &#034;okay&#034;;<br \/>\n    ilitek: ilitek&#064;41 {<br \/>\n        compatible &#061; &#034;tchip,ilitek&#034;;<br \/>\n        reg &#061; &lt;0x41&gt;;<br \/>\n        vdd-supply &#061; &lt;&amp;vcc3v3_lcd0_n&gt;;<br \/>\n        vcc_i2c-supply &#061; &lt;&amp;vcc_3v3&gt;;<br \/>\n        pinctrl-0 &#061; &lt;&amp;ili213x_gpio&gt;;<br \/>\n        ilitek,irq-gpio &#061; &lt;&amp;gpio0 RK_PB5 IRQ_TYPE_LEVEL_HIGH&gt;;<br \/>\n        ilitek,reset-gpio &#061; &lt;&amp;gpio0 RK_PC8 GPIO_ACTIVE_HIGH&gt;;<br \/>\n        ilitek,vbus &#061; &#034;vcc_i2c&#034;;<br \/>\n        ilitek,vdd &#061; &#034;vdd&#034;;<br \/>\n        ilitek,name &#061; &#034;ilitek_i2c&#034;;<br \/>\n        status &#061; &#034;okay&#034;;<br \/>\n    };<br \/>\n};<\/p>\n<p>\u63d0\u793a&#xff1a;\u8bbe\u5907\u6811\u914d\u7f6e\u4e2d\u7684GPIO\u5f15\u811a\u5b9a\u4e49\u5fc5\u987b\u4e0e\u539f\u7406\u56fe\u5b8c\u5168\u4e00\u81f4&#xff0c;\u4efb\u4f55\u504f\u5dee\u90fd\u53ef\u80fd\u5bfc\u81f4\u9a71\u52a8\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u6216\u51fa\u73b0\u96be\u4ee5\u8c03\u8bd5\u7684\u5f02\u5e38\u73b0\u8c61\u3002<\/p>\n<p>\u5b8c\u6210\u9a71\u52a8\u6574\u5408\u540e&#xff0c;\u9700\u8981\u914d\u7f6e\u5185\u6838\u7f16\u8bd1\u9009\u9879\u3002\u5728drivers\/input\/touchscreen\/Makefile\u4e2d\u6dfb\u52a0\u9a71\u52a8\u7f16\u8bd1\u6761\u76ee&#xff0c;\u5728Kconfig\u4e2d\u589e\u52a0\u76f8\u5e94\u7684\u914d\u7f6e\u9009\u9879&#xff0c;\u6700\u540e\u5728\u5e73\u53f0\u914d\u7f6e\u6587\u4ef6&#xff08;\u5982rockchip_defconfig&#xff09;\u4e2d\u542f\u7528\u8be5\u9a71\u52a8\u3002\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u8fd8\u9700\u6ce8\u610f\u5e73\u53f0\u7279\u5b9a\u7684\u9002\u914d\u4ee3\u7801&#xff0c;\u4f8b\u5982\u5728ilitek\u9a71\u52a8\u4e2d\u901a\u5e38\u4f1a\u6709\u9488\u5bf9\u4e0d\u540c\u5e73\u53f0\u7684\u5b8f\u5b9a\u4e49&#xff0c;\u9700\u8981\u6839\u636e\u5b9e\u9645\u5e73\u53f0\u8fdb\u884c\u76f8\u5e94\u8bbe\u7f6e\u3002<\/p>\n<h3>2. \u5f02\u5e38\u73b0\u8c61\u5206\u6790\u4e0e\u521d\u6b65\u6392\u67e5<\/h3>\n<p>\u5f53\u7cfb\u7edf\u542f\u52a8\u540e&#xff0c;\u89e6\u6478\u5c4f\u6ca1\u6709\u6309\u9884\u671f\u5de5\u4f5c\u65f6&#xff0c;\u6211\u4eec\u9700\u8981\u91c7\u7528\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\u8fdb\u884c\u95ee\u9898\u5b9a\u4f4d\u3002\u9996\u5148\u901a\u8fc7getevent\u5de5\u5177\u68c0\u67e5\u8f93\u5165\u5b50\u7cfb\u7edf\u662f\u5426\u68c0\u6d4b\u5230\u89e6\u6478\u4e8b\u4ef6&#xff0c;\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u786e\u5b9a\u95ee\u9898\u662f\u51fa\u5728\u786c\u4ef6\u5c42\u8fd8\u662f\u9a71\u52a8\u5c42\u3002\u5982\u679cgetevent\u663e\u793a\u6709\u62a5\u70b9\u4e8b\u4ef6\u4f46\u89e6\u6478\u5c4f\u4ecd\u65e0\u54cd\u5e94&#xff0c;\u90a3\u4e48\u95ee\u9898\u53ef\u80fd\u5728\u4e8e\u5750\u6807\u8f6c\u6362\u6216\u4e0a\u5c42\u5e94\u7528\u5904\u7406\u73af\u8282\u3002<\/p>\n<p>\u5728\u5185\u6838\u65e5\u5fd7\u4e2d&#xff0c;\u6211\u4eec\u53d1\u73b0\u4e86\u5927\u91cf\u7684I2C\u901a\u4fe1\u9519\u8bef\u4fe1\u606f&#xff1a;<\/p>\n<p>[ILITEK][ERR] checksum : 3f\/ff not matched<br \/>\n[ILITEK][ERR] [data] ff-ff-ff-ff-ff-ff-ff-ff-ff-ff-ff-ff&#8230;<\/p>\n<p>\u8fd9\u4e9b\u9519\u8bef\u8868\u660e\u9a71\u52a8\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u6821\u9a8c\u548c\u4e0d\u5339\u914d&#xff0c;\u53ef\u80fd\u7684\u539f\u56e0\u5305\u62ec&#xff1a;I2C\u901a\u4fe1\u53d7\u5230\u5e72\u6270\u3001\u65f6\u5e8f\u95ee\u9898\u3001\u7535\u6e90\u4e0d\u7a33\u5b9a\u6216\u786c\u4ef6\u8fde\u63a5\u6545\u969c\u3002\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5de5\u7a0b\u5e08\u4f1a\u77e5\u9053&#xff0c;\u8fd9\u79cd\u5168\u4e3a0xFF\u6216\u89c4\u5f8b\u6027\u9519\u8bef\u6570\u636e\u5f80\u5f80\u6697\u793a\u7740\u786c\u4ef6\u95ee\u9898\u800c\u975e\u8f6f\u4ef6\u7f3a\u9677\u3002<\/p>\n<p>\u4e2d\u65ad\u7cfb\u7edf\u7684\u68c0\u67e5\u662f\u53e6\u4e00\u4e2a\u5173\u952e\u6b65\u9aa4\u3002\u901a\u8fc7cat \/proc\/interrupts | grep ilitek\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u89e6\u6478\u5c4f\u4e2d\u65ad\u7684\u89e6\u53d1\u60c5\u51b5\u3002\u5982\u679c\u53d1\u73b0\u4e2d\u65ad\u8ba1\u6570\u6301\u7eed\u589e\u52a0\u800c\u6ca1\u6709\u4efb\u4f55\u89e6\u6478\u64cd\u4f5c&#xff0c;\u8fd9\u5f88\u53ef\u80fd\u8868\u660e\u4e2d\u65ad\u7ebf\u53d7\u5230\u4e86\u5916\u90e8\u5e72\u6270\u3002\u8fd9\u79cd\u5e72\u6270\u53ef\u80fd\u6765\u81ea\u5176\u4ed6\u7535\u8def\u3001\u7535\u78c1\u8f90\u5c04\u6216\u4fe1\u53f7\u4e32\u6270\u3002<\/p>\n<p>\u521d\u6b65\u6392\u67e5\u6b65\u9aa4\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u68c0\u67e5\u7535\u6e90\u8d28\u91cf&#xff0c;\u786e\u4fdd\u7535\u538b\u7a33\u5b9a\u4e14\u7eb9\u6ce2\u5728\u5141\u8bb8\u8303\u56f4\u5185<\/li>\n<li>\u9a8c\u8bc1I2C\u603b\u7ebf\u4fe1\u53f7\u5b8c\u6574\u6027&#xff0c;\u4f7f\u7528\u793a\u6ce2\u5668\u68c0\u67e5SCL\u548cSDA\u7ebf\u7684\u6ce2\u5f62<\/li>\n<li>\u786e\u8ba4\u4e2d\u65ad\u7ebf\u548c\u590d\u4f4d\u7ebf\u7684\u7535\u5e73\u72b6\u6001\u662f\u5426\u7b26\u5408\u9884\u671f<\/li>\n<li>\u68c0\u67e5\u8bbe\u5907\u6811\u914d\u7f6e\u662f\u5426\u6b63\u786e&#xff0c;\u7279\u522b\u662fGPIO\u5f15\u811a\u5b9a\u4e49\u548c\u4e2d\u65ad\u89e6\u53d1\u65b9\u5f0f<\/li>\n<\/ul>\n<p>\u6ce8\u610f&#xff1a;\u5728\u6392\u67e5I2C\u8bbe\u5907\u95ee\u9898\u65f6&#xff0c;i2c-tools\u5305\u4e2d\u7684i2cdetect\u3001i2cget\u548ci2cset\u7b49\u5de5\u5177\u6781\u4e3a\u6709\u7528&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u5feb\u901f\u9a8c\u8bc1\u8bbe\u5907\u662f\u5426\u6b63\u5e38\u54cd\u5e94\u548c\u901a\u4fe1\u3002<\/p>\n<h3>3. \u6df1\u5165\u8bca\u65ad\u4e0e\u5e7d\u7075\u4fe1\u53f7\u7684\u53d1\u73b0<\/h3>\n<p>\u5f53\u5e38\u89c4\u6392\u67e5\u65b9\u6cd5\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\u65f6&#xff0c;\u5c31\u9700\u8981\u66f4\u6df1\u5165\u7684\u8bca\u65ad\u624b\u6bb5\u3002\u793a\u6ce2\u5668\u6210\u4e3a\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177&#xff0c;\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u89c2\u5bdf\u4fe1\u53f7\u7684\u771f\u5b9e\u5f62\u6001&#xff0c;\u53d1\u73b0\u90a3\u4e9b\u5728\u903b\u8f91\u5206\u6790\u4eea\u6216\u8f6f\u4ef6\u65e5\u5fd7\u4e2d\u65e0\u6cd5\u770b\u5230\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728ilitek\u89e6\u6478\u5c4f\u7684\u6848\u4f8b\u4e2d&#xff0c;\u4f7f\u7528\u793a\u6ce2\u5668\u6d4b\u91cf\u4e2d\u65ad\u7ebf\u65f6\u53d1\u73b0\u4e86\u4e00\u4e2a\u5f02\u5e38\u768432KHz\u65b9\u6ce2\u4fe1\u53f7\u3002\u8fd9\u4e2a\u4fe1\u53f7\u975e\u5e38\u89c4\u5f8b&#xff0c;\u5373\u4f7f\u5728\u6ca1\u6709\u89e6\u6478\u64cd\u4f5c\u65f6\u4e5f\u6301\u7eed\u5b58\u5728\u3002\u66f4\u4ee4\u4eba\u56f0\u60d1\u7684\u662f&#xff0c;\u5f53\u62d4\u6389\u89e6\u6478\u5c4f\u8fde\u63a5\u7ebf\u540e&#xff0c;\u8fd9\u4e2a\u4fe1\u53f7\u4ecd\u7136\u5b58\u5728&#xff0c;\u8bf4\u660e\u5b83\u4e0d\u662f\u6765\u81ea\u89e6\u6478\u5c4f\u672c\u8eab&#xff0c;\u800c\u662f\u5176\u4ed6\u6e90\u5934\u3002<\/p>\n<p>32KHz\u4fe1\u53f7\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u901a\u5e38\u4e0e\u5b9e\u65f6\u65f6\u949f&#xff08;RTC&#xff09;\u6216\u65e0\u7ebf\u6a21\u5757\u76f8\u5173\u3002\u5728\u8bb8\u591a\u5e73\u53f0\u4e0a&#xff0c;32.768KHz\u6676\u4f53\u632f\u8361\u5668\u7528\u4e8e\u63d0\u4f9b\u7cbe\u786e\u7684\u65f6\u5e8f\u57fa\u51c6\u3002\u6000\u7591\u8fd9\u4e2a\u4fe1\u53f7\u53ef\u80fd\u901a\u8fc7\u67d0\u79cd\u9014\u5f84\u8026\u5408\u5230\u4e86\u4e2d\u65ad\u7ebf\u4e0a&#xff0c;\u5bfc\u81f4\u89e6\u6478\u5c4f\u63a7\u5236\u5668\u88ab\u6301\u7eed\u8bef\u89e6\u53d1\u3002<\/p>\n<p>\u4fe1\u53f7\u5e72\u6270\u7684\u9014\u5f84\u53ef\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u7269\u7406\u4e32\u6270&#xff1a;\u5e76\u884c\u8d70\u7ebf\u95f4\u8ddd\u8fc7\u8fd1\u5bfc\u81f4\u7684\u7535\u5bb9\u8026\u5408<\/li>\n<li>\u7535\u6e90\u566a\u58f0&#xff1a;\u5171\u4eab\u7535\u6e90\u8def\u5f84\u4e0a\u7684\u566a\u58f0\u4f20\u9012<\/li>\n<li>\u5730\u5f39\u6548\u5e94&#xff1a;\u5feb\u901f\u5f00\u5173\u7535\u6d41\u5bfc\u81f4\u7684\u5730\u5e73\u9762\u6ce2\u52a8<\/li>\n<li>\u7535\u78c1\u8f90\u5c04&#xff1a;\u9ad8\u9891\u4fe1\u53f7\u901a\u8fc7\u7a7a\u95f4\u8f90\u5c04\u8026\u5408<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u786e\u8ba4\u5e72\u6270\u6e90&#xff0c;\u6211\u4eec\u53ef\u4ee5\u91c7\u7528\u4fe1\u53f7\u9694\u79bb\u6cd5&#xff1a;\u9010\u4e2a\u5173\u95ed\u7cfb\u7edf\u4e2d\u53ef\u80fd\u4ea7\u751f32KHz\u4fe1\u53f7\u7684\u6a21\u5757&#xff0c;\u540c\u65f6\u89c2\u5bdf\u4e2d\u65ad\u7ebf\u4e0a\u7684\u4fe1\u53f7\u53d8\u5316\u3002\u5f53\u5173\u95ed\u65e0\u7ebf\u6a21\u5757\u768432KHz\u65f6\u949f\u8f93\u51fa\u540e&#xff0c;\u4e2d\u65ad\u7ebf\u4e0a\u7684\u65b9\u6ce2\u4fe1\u53f7\u679c\u7136\u6d88\u5931\u4e86&#xff0c;\u89e6\u6478\u5c4f\u4e5f\u968f\u4e4b\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u8fd9\u4e2a\u53d1\u73b0\u5f15\u51fa\u4e86\u53e6\u4e00\u4e2a\u95ee\u9898&#xff1a;\u4e3a\u4ec0\u4e48\u540c\u6837\u7684\u786c\u4ef6\u8bbe\u8ba1\u5728\u4e4b\u524d\u7684\u677f\u5b50\u4e0a\u6ca1\u6709\u51fa\u73b0\u8fd9\u4e2a\u5e72\u6270&#xff1f;\u53ef\u80fd\u7684\u539f\u56e0\u5305\u62ecPCB\u5e03\u5c40\u53d8\u5316\u3001\u5143\u5668\u4ef6\u53c2\u6570\u5dee\u5f02\u6216\u8f6f\u4ef6\u914d\u7f6e\u4e0d\u540c\u3002\u4ed4\u7ec6\u68c0\u67e5\u539f\u7406\u56fe\u53d1\u73b0&#xff0c;\u4e2d\u65ad\u5f15\u811a\u786e\u5b9e\u670932K\u4fe1\u53f7\u7684\u590d\u7528\u529f\u80fd&#xff0c;\u4e4b\u524d\u7684\u56fa\u4ef6\u6ca1\u6709\u542f\u7528\u8fd9\u4e2a\u529f\u80fd&#xff0c;\u56e0\u6b64\u4e0d\u4f1a\u4ea7\u751f\u5e72\u6270\u3002<\/p>\n<h3>4. \u7cfb\u7edf\u7ea7\u89e3\u51b3\u65b9\u6848\u4e0e\u9884\u9632\u63aa\u65bd<\/h3>\n<p>\u89e3\u51b3\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\u9700\u8981\u4ece\u7cfb\u7edf\u5c42\u9762\u8003\u8651&#xff0c;\u5355\u4e00\u7ef4\u5ea6\u7684\u4fee\u590d\u5f80\u5f80\u53ea\u80fd\u6682\u65f6\u89e3\u51b3\u95ee\u9898&#xff0c;\u800c\u65e0\u6cd5\u6839\u672c\u6d88\u9664\u9690\u60a3\u3002\u9488\u5bf9ilitek\u89e6\u6478\u5c4f\u768432K\u5e72\u6270\u95ee\u9898&#xff0c;\u6211\u4eec\u91c7\u53d6\u4e86\u591a\u5c42\u6b21\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u786c\u4ef6\u5c42\u9762\u7684\u6539\u8fdb\u5305\u62ec\u91cd\u65b0\u89c4\u5212PCB\u5e03\u5c40&#xff0c;\u786e\u4fdd\u654f\u611f\u4fe1\u53f7\u7ebf&#xff08;\u5982\u4e2d\u65ad\u7ebf&#xff09;\u4e0e\u6f5c\u5728\u5e72\u6270\u6e90\u4fdd\u6301\u8db3\u591f\u8ddd\u79bb\u3002\u5bf9\u4e8e\u5fc5\u987b\u4ea4\u53c9\u7684\u8d70\u7ebf&#xff0c;\u5c3d\u91cf\u91c7\u7528\u5782\u76f4\u4ea4\u53c9\u800c\u975e\u5e73\u884c\u8d70\u7ebf&#xff0c;\u51cf\u5c11\u8026\u5408\u9762\u79ef\u3002\u5728\u4fe1\u53f7\u5b8c\u6574\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u7ebf\u8def\u4e0a\u6dfb\u52a0\u9002\u5f53\u7684\u7ec8\u7aef\u7535\u963b\u6216\u6ee4\u6ce2\u7535\u5bb9\u4e5f\u80fd\u6709\u6548\u6291\u5236\u566a\u58f0\u3002<\/p>\n<p>\u8f6f\u4ef6\u914d\u7f6e\u65b9\u9762&#xff0c;\u9700\u8981\u4ed4\u7ec6\u68c0\u67e5\u8bbe\u5907\u6811\u4e2d\u6240\u6709GPIO\u7684\u590d\u7528\u8bbe\u7f6e&#xff0c;\u786e\u4fdd\u6bcf\u4e2a\u5f15\u811a\u7684\u529f\u80fd\u914d\u7f6e\u7b26\u5408\u5b9e\u9645\u4f7f\u7528\u60c5\u51b5\u3002\u5728RK3566\u5e73\u53f0\u4e0a&#xff0c;GPIO\u590d\u7528\u529f\u80fd\u901a\u8fc7pinctrl\u5b50\u7cfb\u7edf\u7ba1\u7406&#xff0c;\u6b63\u786e\u7684\u914d\u7f6e\u5e94\u5f53\u7c7b\u4f3c&#xff1a;<\/p>\n<p>pinctrl-0 &#061; &lt;&amp;touchscreen_pins&gt;;<br \/>\n&#8230;<br \/>\ntouchscreen_pins: touchscreen-pins {<br \/>\n    rockchip,pins &#061;<br \/>\n        &lt;0 RK_PB5 RK_FUNC_GPIO &amp;pcfg_pull_up&gt;,<br \/>\n        &lt;0 RK_PC8 RK_FUNC_GPIO &amp;pcfg_pull_up&gt;;<br \/>\n};<\/p>\n<p>\u5c4f\u853d\u4e0e\u9694\u79bb\u6280\u672f\u662f\u89e3\u51b3\u4fe1\u53f7\u5e72\u6270\u7684\u6709\u6548\u624b\u6bb5\u3002\u5bf9\u4e8e\u7279\u522b\u654f\u611f\u7684\u4fe1\u53f7\u7ebf&#xff0c;\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5c4f\u853d\u7535\u7f06\u6216\u5c4f\u853d\u7f69\u51cf\u5c11\u7535\u78c1\u5e72\u6270\u3002\u5728\u7535\u8def\u8bbe\u8ba1\u4e0a&#xff0c;\u91c7\u7528\u5149\u7535\u9694\u79bb\u6216\u78c1\u9694\u79bb\u6280\u672f\u53ef\u4ee5\u5f7b\u5e95\u5207\u65ad\u5e72\u6270\u8def\u5f84&#xff0c;\u867d\u7136\u8fd9\u4f1a\u589e\u52a0\u6210\u672c\u548c\u8bbe\u8ba1\u590d\u6742\u5ea6\u3002<\/p>\n<p>\u4e3a\u4e86\u9884\u9632\u7c7b\u4f3c\u95ee\u9898&#xff0c;\u5efa\u8bae\u5efa\u7acb\u7cfb\u7edf\u4fe1\u53f7\u5b8c\u6574\u6027\u68c0\u67e5\u6e05\u5355&#xff1a;<\/p>\n<table>\n<tr>\u68c0\u67e5\u9879\u76ee\u6807\u51c6\u8981\u6c42\u68c0\u6d4b\u65b9\u6cd5<\/tr>\n<tbody>\n<tr>\n<td>\u7535\u6e90\u8d28\u91cf<\/td>\n<td>\u7eb9\u6ce2&lt;50mV<\/td>\n<td>\u793a\u6ce2\u5668\u6d4b\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u4fe1\u53f7\u5e45\u5ea6<\/td>\n<td>\u7b26\u5408\u7535\u5e73\u6807\u51c6<\/td>\n<td>\u793a\u6ce2\u5668\u6d4b\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u65f6\u949f\u4fe1\u53f7<\/td>\n<td>\u9891\u7387\u51c6\u786e&#xff0c;\u6296\u52a8\u5c0f<\/td>\n<td>\u9891\u7387\u8ba1\/\u793a\u6ce2\u5668<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u65ad\u7ebf\u72b6\u6001<\/td>\n<td>\u9759\u6001\u65f6\u65e0\u6bdb\u523a<\/td>\n<td>\u793a\u6ce2\u5668\u89c2\u5bdf<\/td>\n<\/tr>\n<tr>\n<td>I2C\u6ce2\u5f62<\/td>\n<td>\u4e0a\u5347\/\u4e0b\u964d\u65f6\u95f4\u7b26\u5408\u89c4\u8303<\/td>\n<td>\u793a\u6ce2\u5668\u6d4b\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8c03\u8bd5\u65b9\u6cd5\u8bba\u7684\u5b8c\u5584\u540c\u6837\u91cd\u8981\u3002\u5f53\u9047\u5230\u96be\u4ee5\u89e3\u91ca\u7684\u7cfb\u7edf\u5f02\u5e38\u65f6&#xff0c;\u91c7\u7528\u5206\u6cbb\u6cd5\u9694\u79bb\u95ee\u9898\u8303\u56f4&#xff1a;\u5148\u786e\u8ba4\u8f6f\u4ef6\u57fa\u7840\u914d\u7f6e\u6b63\u786e&#xff0c;\u518d\u68c0\u67e5\u786c\u4ef6\u8fde\u63a5\u548c\u4fe1\u53f7\u8d28\u91cf&#xff1b;\u5148\u9a8c\u8bc1\u5355\u4e2a\u6a21\u5757\u529f\u80fd\u6b63\u5e38&#xff0c;\u518d\u6574\u5408\u6d4b\u8bd5\u7cfb\u7edf\u6574\u4f53\u884c\u4e3a\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d&#xff0c;\u6211\u53d1\u73b0\u6700\u6709\u6548\u7684\u8c03\u8bd5\u7b56\u7565\u662f\u4fdd\u6301\u5f00\u653e\u601d\u7ef4&#xff0c;\u4e0d\u56fa\u5b88&#034;\u4e00\u5b9a\u662f\u8f6f\u4ef6\u95ee\u9898&#034;\u6216&#034;\u4e00\u5b9a\u662f\u786c\u4ef6\u95ee\u9898&#034;\u7684\u9884\u8bbe\u7acb\u573a\u3002\u5d4c\u5165\u5f0f\u7cfb\u7edf\u672c\u8d28\u4e0a\u662f\u8f6f\u786c\u4ef6\u7684\u7d27\u5bc6\u7ed3\u5408\u4f53&#xff0c;\u95ee\u9898\u5f80\u5f80\u51fa\u73b0\u5728\u63a5\u53e3\u548c\u4ea4\u4e92\u5c42\u9762\u3002\u8bb0\u5f55\u8be6\u7ec6\u7684\u8c03\u8bd5\u65e5\u5fd7&#xff0c;\u5305\u62ec\u6240\u6709\u89c2\u5bdf\u5230\u7684\u73b0\u8c61\u3001\u6d4b\u8bd5\u8fc7\u7684\u5047\u8bbe\u548c\u7ed3\u679c&#xff0c;\u8fd9\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u5f53\u524d\u95ee\u9898\u7684\u89e3\u51b3&#xff0c;\u4e5f\u4e3a\u672a\u6765\u7c7b\u4f3c\u95ee\u9898\u63d0\u4f9b\u5b9d\u8d35\u53c2\u8003\u3002<\/p>\n<p>\u4fe1\u53f7\u5b8c\u6574\u6027\u95ee\u9898\u7684\u89e3\u51b3\u5f80\u5f80\u9700\u8981\u591a\u5b66\u79d1\u534f\u4f5c&#xff0c;\u786c\u4ef6\u5de5\u7a0b\u5e08\u3001\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u548c\u7cfb\u7edf\u67b6\u6784\u5e08\u9700\u8981\u5bc6\u5207\u914d\u5408\u3002\u5efa\u7acb\u5171\u540c\u7684\u8c03\u8bd5\u8bed\u8a00\u548c\u65b9\u6cd5\u8bba\u6846\u67b6&#xff0c;\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u56e2\u961f\u89e3\u51b3\u590d\u6742\u95ee\u9898\u7684\u6548\u7387\u3002\u5728\u5b9e\u9645\u5de5\u7a0b\u5b9e\u8df5\u4e2d&#xff0c;\u90a3\u4e9b\u6700\u68d8\u624b\u7684\u95ee<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5d4c\u5165\u5f0f\u8c03\u8bd5\u4e2d\u7684\u5e7d\u7075\u4fe1\u53f7&#xff1a;\u4eceilitek\u89e6\u6478\u5c4f\u768432K\u5e72\u6270\u6ce2\u8bf4\u8d77<br 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