{"id":862,"date":"2015-12-18T18:01:05","date_gmt":"2015-12-18T10:01:05","guid":{"rendered":"http:\/\/workshop.siliconforce.com\/?p=862"},"modified":"2015-12-18T18:06:16","modified_gmt":"2015-12-18T10:06:16","slug":"%e5%8f%88%e4%be%bf%e5%ae%9c%e5%8a%9f%e8%83%bd%e5%8f%88%e5%bc%b7%e5%a4%a7%e7%9a%84-8-bit-mcu-%e2%94%80%e2%94%80-silicon-labs-efm8-%e7%b3%bb%e5%88%97","status":"publish","type":"post","link":"https:\/\/workshop.siliconforce.com\/?p=862","title":{"rendered":"Silicon Labs EFM8 \u7684 Hello World \u7a0b\u5f0f"},"content":{"rendered":"<p>\u3000\u3000MCU \u5e02\u5834\u8fd1\u5e74\u98a8\u8d77\u96f2\u6e67\uff0cARM \u67b6\u69cb\u7684 M \u7cfb\u5217\u5e7e\u4e4e\u5df2\u7d93\u541e\u98df\u4e86\u6574\u500b 32-bit MCU \u7684\u5e02\u5834\uff0c\u800c\u4e4b\u524d\u5229\u7528 DSP \u5275\u51fa\u4e00\u7247\u5929\u7684 Microchip PIC \u5247\u529b\u6709\u4e0d\u902e\uff0c\u5176 PIC32MX \u7684 M4K \u67b6\u69cb\u96d6\u627f\u7e7c\u81ea MIPS \u7684 R4000\uff0c\u4f46\u5728 32-bit \u5927\u6df7\u4e2d\u7b97\u662f\u4e00\u500b\u6158\u6557\u7684\u9663\u71df\u3002<\/p>\n<p>\u3000\u3000ARM \u67b6\u69cb\u7684 MCU \u4e2d\uff0c\u53c8\u4ee5 STM32 \u7cfb\u5217\u6700\u5ee3\u6cdb\u5730\u88ab\u56db\u5341\u5927\u76dc\u6240\u63a8\u5ee3\uff0c\u6240\u4ee5\u73fe\u6642\u5927\u90e8\u4efd\u5728\u56db\u5341\u5927\u76dc\u90a3\u88cf\u8cb7\u5f97\u5230\u7684\u96fb\u5b50\u5957\u4ef6\uff0c\u90fd\u4e0d\u96e3\u767c\u73fe STM32 \u7684\u5f71\u8e28\uff0c\u4e00\u9846 M0 \u67b6\u69cb\u7684 STM32 \u5728\u56db\u5341\u5927\u76dc\u8655\u82b1\u4e0d\u5230\u5341\u500b\u9285\u677f\u4fbf\u53ef\u4ee5\u8cb7\u5230\uff0c\u96e3\u602a\u4e00\u773e 8-bit MCU \u90fd\u986f\u5f97\u7121\u4eba\u554f\u6d25\u3002<\/p>\n<p>\u3000\u3000\u4e0d\u904e\uff0c\u5728\u4f4e\u8017\u96fb\u61c9\u7528\u7684\u74b0\u5883\u4e0b\uff0c8-bit MCU \u4ecd\u6709\u5176\u53ef\u53d6\u4e4b\u8655\uff0c\u53ef\u662f\u50b3\u7d71\u5e7e\u5bb6\u8001\u724c MCU \u88fd\u9020\u5546\u5982 Microchip\uff0cAtmel \u7b49\u90fd\u986f\u5f97\u5c0d 8-bit \u5e02\u5834\u6709\u9ede\u7121\u751a\u5275\u610f\uff0c\u50f9\u9322\u66f4\u662f\u9ad8\u64da\u4e0d\u4e0b\uff0c\u5e7e\u4e4e\u8207 32-bit MCU \u770b\u9f4a\uff0c\u4ee4\u4eba\u537b\u6b65\uff0c\u8fd1\u5e74 ST \u7684 STM8 \u7cfb\u5217\u63a8\u51fa\u4e86\u4e00\u7cfb\u5217\u5ec9\u50f9\u65b9\u6848\uff0c\u4f46\u5176\u8017\u96fb\u91cf\u751a\u70ba\u9a5a\u4eba\uff0cShutdown mode \u90fd\u8981\u82db\u7d22 10uA \u96fb\u6d41\uff0c\u7528\u5728\u96fb\u6c60\u9a45\u52d5\u7522\u54c1\u4e0a\u5e7e\u4e4e\u4e0d\u53ef\u80fd\u3002<\/p>\n<p>\u3000\u3000Silicon Labs \u5728 2013 \u5e74\u6536\u8cfc\u4e86 Energy Micro \u5f8c\uff0c\u5bc6\u947c\u7dca\u9f13\u5730\u63a8\u5ee3\u5176 EFM8 \u53ca EFM32 \u7cfb\u5217\uff0c\u5176\u4e2d EFM8 (Bee) \u7cfb\u5217\u7684\u50f9\u9322\u76f8\u7576\u5438\u5f15\uff0c\u4e00\u9846 20 \u8173\u7684\u57fa\u672c\u914d\u5099 MCU \u5728 DigiKey \u4e5f\u53ea\u4e0d\u904e\u552e 3 \u500b\u9285\u677f\u5de6\u53f3\uff0c\u800c\u652f\u63f4 USB \u7684 EFM8 \u5728 DigiKey \u4e2d\u6700\u5e73\u4e5f\u53ea\u9700 5 \u500b\u9285\u677f\uff0c\u6027\u50f9\u6bd4\u6bd4\u8d77 PIC \u6216 AVR \u9ad8\u51fa\u5e7e\u500d\uff0c\u4ee4\u4eba\u96e3\u4ee5\u6297\u62d2\u3002<\/p>\n<p><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2015\/12\/IMG_1237-1.jpg\"><img loading=\"lazy\" class=\"size-large wp-image-886 aligncenter\" alt=\"IMG_1237 (1)\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2015\/12\/IMG_1237-1-1024x768.jpg\" width=\"660\" height=\"495\" \/><\/a><\/p>\n<p style=\"text-align: center\">\u5716\u4e00\u2027 \u9019\u7247 Universal Bee Starter Kit \u53ea\u9700\u4e8c\u767e\u591a\u6e2f\u5143\uff0c\u4f46\u8a2d\u5099\u9f4a\u5168\u3002<\/p>\n<p>\u3000\u3000\u8a00\u6b78\u6b63\u50b3\uff0c\u5728 DigiKey \u7528\u4e8c\u767e\u591a\u6e2f\u5143\u8cb7\u4e86\u4e00\u5957 EFM8 Universal Bee Starter Kit\uff0cSilicon Labs \u8072\u7a31\u53ea\u9700\u5728\u5176\u7db2\u7ad9\u4e0a\u4e0b\u8f09\u5176\u914d\u5957\u8edf\u4ef6 Simplicity Studio \u4fbf\u6709\u9f4a\u6240\u6709\u958b\u767c\u5de5\u5177\u3001\u6587\u4ef6\u53ca Libraries\uff0c\u66fe Sir \u8a66\u4e86\u4e00\u4e0b\uff0c\u767c\u89ba\u5728\u5f97\u5230\u6eff\u8db3\u524d\u96e3\u4ee5\u907f\u514d\u6703\u6709\u9663\u75db\uff0c\u800c\u4e14\u75db\u5f97\u5e7e\u5287\u70c8\uff0c\u70ba\u514d\u66fe Sir \u7684\u8001\u4eba\u7661\u5446\u4ee4\u81ea\u5df1\u75db\u5b8c\u53c8\u75db\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u628a\u6b65\u9a5f\u4e00\u4e00\u8a18\u4e0b\u4f86\u3002<\/p>\n<p>\u3000\u3000Simplicity Studio \u9078\u64c7\u4e86 Keil \u4f5c\u70ba\u7de8\u8b6f\u5668\uff0c\u53ef\u4ee5\u9078\u64c7 Simplicity Studio \u81ea\u5bb6\u7684 IDE \u6216\u9078\u64c7\u5927\u5bb6\u719f\u6089\u7684 Keil IDE\uff0c\u66fe Sir \u65e2\u7136\u9078\u64c7\u4e86\u75db\uff0c\u7576\u7136\u5c31\u75db\u5f97\u5fb9\u5e95\uff0c\u9078\u64c7\u4e86 Simplicity Studio\u81ea\u5bb6\u7684 IDE\u3002<\/p>\n<p>\u3000\u3000\u5553\u52d5\u4e86 Simplicity Studio \u5f8c\uff0c\u7576\u7136\u5148\u8a66\u4e00\u4e0b\u5b83\u7684 Configurator\uff0c\u9019\u500b Configurator \u5c31\u50cf Keil \u90a3\u500b\u4e00\u6a23\uff0c\u80fd\u4ee5\u5716\u50cf\u4ecb\u9762\u4f86\u8a2d\u5b9a Startup code\uff0c\u628a Starter kit \u63a5\u4e0a\u96fb\u8166\uff0cSimplicity Studio \u4fbf\u6703\u81ea\u52d5\u6839\u64da\u4f60\u7684\u786c\u9ad4\u4f86\u6c7a\u5b9a\u8abf\u7528\u54ea\u4e00\u4e9b\u6587\u4ef6\u548c Libraries\uff0c\u7576\u7136\u5982\u679c\u63a5\u4e0a\u81ea\u88fd\u7684\u677f\u5b50\uff0c\u4fbf\u8981\u624b\u52d5\u5730\u9078\u64c7 MCU \u7684\u578b\u865f\u4e86\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/001.png\"><img loading=\"lazy\" class=\"alignnone size-large wp-image-863\" alt=\"001\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/001-1024x545.png\" width=\"660\" height=\"351\" \/><\/a><\/p>\n<p>\u3000\u3000\u96d6\u7136 Simplicity Studio \u5165\u9762\u6709\u4e0d\u5c11 examples\uff0c\u4f46\u55ae\u55ae\u7528 example programme \u90fd\u8981\u641e\u597d\u4e00\u9663\u5b50\u624d\u77e5\u9053\u5b83\u7684\u4f86\u9f8d\u53bb\u8108\uff0c\u5012\u4e0d\u5982\u7d22\u6027\u7531\u96f6\u958b\u59cb\uff0c\u6162\u6162\u6478\u7d22\u9019\u500b Simplicity Studio \u7684\u73a9\u6cd5\u3002\u6240\u4ee5\u9032\u5165\u4e86 Configurator \u4e4b\u5f8c\uff0c\u9078\u5c0d\u4e86\u578b\u865f\u6309 next\uff0c\u518d\u9078\u64c7 MCU \u7684\u898f\u6a21\uff0c\u9019\u500b Starter Kit \u4e0a\u9762\u7684 MCU \u662f 48-pin \u7684\uff0c\u9078\u597d\u4e86\u4fbf\u9032\u5165\u4e00\u500b\u5168\u65b0\u3001\u7531\u96f6\u958b\u59cb\u7684 Project\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC002.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-864\" alt=\"PIC002\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC002.png\" width=\"581\" height=\"458\" \/><\/a><\/p>\n<p>\u3000\u3000\u7b2c\u4e00\u500b\u7a0b\u5f0f\u7684\u4efb\u52d9\u662f\u5411 UART0 \u63a5\u53e3\u8f38\u51fa &#8220;Hello World&#8221; \u5b57\u5143\u3002\u9019\u7247 48 \u8173\u7684 Universal Bee \u5167\u7f6e\u4e86\u5169\u7d44 UART\uff0c\u5176\u4e2d UART0 \u662f\u56fa\u5b9a\u4e86\u5728 P0.4 \u53ca P0.5 \u9019\u5169\u500b\u63a5\u8173\uff0c\u800c UART1 \u5247\u53ef\u4ee5\u7d93\u7531 Crossbar \u67b6\u69cb\u628a\u63a5\u8173 Map \u5230\u4e0d\u540c\u7684 Port \u4f4d\u8173\uff0c\u9019\u500b Crossbar \u771f\u7684\u5f88\u68d2\uff0c\u4ee4\u5404\u63a5\u8173\u5605\u5b9a\u7fa9\u53ef\u4ee5\u81ea\u7531\u8a2d\u5b9a\uff0c\u5728\u7dda\u8def\u677f Layout \u6642\u771f\u662f\u8d85\u65b9\u4fbf\u5462\uff01<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC003.png\"><img loading=\"lazy\" class=\"alignnone size-large wp-image-865\" alt=\"PIC003\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC003-1024x545.png\" width=\"660\" height=\"351\" \/><\/a><\/p>\n<p>\u3000\u3000\u4e0d\u904e\u7531\u65bc Simplicity Studio \u53ea\u63d0\u4f9b\u4e86 UART0 \u7684 Libraries\uff0c\u6240\u4ee5\u4fbf\u5148\u8a66\u4e00\u4e0b UART0 \u7f77\uff0c\u628a\u96fb\u8166\u7684 COM Port \u9023\u5230 P0.4 \u53ca P0.5 (\u5982\u5716\u4e00) \u4fbf\u5b8c\u6210\u4e86\u786c\u4ef6\u7684\u9023\u63a5\u3002\u9019\u6642\u56de\u5230 Configurator\uff0c\u770b\u5230\u754c\u9762\u4e3b\u8981\u5206\u958b\u4e86\u4e09\u500b\u90e8\u4efd\uff0c\u4e2d\u9593\u7684\u662f Mode transition, DefaultMode Port I\/O \u53ca DefaultMode Peripherals\uff0c\u7d93\u7531\u4e0b\u9762\u7684\u300c\u5206\u9801\u300d\u4f86\u9078\u64c7\uff0c\u5927\u5bb6\u9664\u4e86 DefaultMode \u4e4b\u5916\u9084\u53ef\u4ee5\u81ea\u5b9a\u7fa9\u5176\u4ed6 Mode \u4f8b\u5982 Sleep mode, Shutdown mode \u7b49\u3002\u756b\u9762\u53f3\u908a\u5247\u6709 Peripheral Mapping, Properties, console \u53ca outline \u7b49\u5206\u9801\uff0c\u7576\u4e2d\u6709\u4e00\u500b\u5c0f\u5c0f\u7684 bug\uff0c\u5c31\u662f outline \u5206\u9801\u7d93\u5e38\u9ede\u9078\u4e0d\u5230\uff0c\u6240\u4ee5\u66fe Sir \u628a\u9019\u500b\u5206\u9801\u62d6\u4e86\u51fa\u4f86\u6210\u4e00\u500b\u7368\u7acb\u7684\u7a97\u6236\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC004.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-866\" alt=\"PIC004\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC004.png\" width=\"346\" height=\"342\" \/><\/a><\/p>\n<p>\u3000\u3000\u503c\u5f97\u4e00\u63d0\u7684\u662f problem \u9019\u500b\u5206\u9801\uff0c\u5b83\u986f\u793a\u4e86\u76ee\u524d\u8a2d\u5b9a\u5b58\u5728\u4e86\u751a\u9ebc conflicts\uff0c\u9019\u5c0d\u7a0b\u5f0f\u7684 debug \u6709\u5f88\u5927\u4f5c\u7528\u3002\u4e00\u958b\u59cb\u8edf\u4ef6\u5c31\u628a P1.5 \u7de8\u914d\u7d66\u4e86 VRef \u7528\uff0c\u4f46\u662f\u5728 Problem \u5206\u9801\u4e2d\u5247\u63d0\u793a\u4e86 VRef \u5fc5\u9700\u8a2d\u5b9a\u70ba Analog I\/O\uff0c\u65bc\u662f\u4fbf\u5728 DefaultMode Port I\/O \u5206\u9801\u5167\u500b MCU \u5716\u50cf\u4e0a\u9ede\u9078 P1.5 \u90a3\u53ea\u63a5\u8173\uff0c\u53f3\u908a\u7684\u5206\u9801\u4fbf\u6703\u81ea\u52d5\u8f1a\u5230 Properties \u7a97\u6236\uff0c\u4fbf\u53ef\u4ee5\u8f15\u6613\u66f4\u6539 P1.5 \u7684\u8a2d\u5b9a\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC005.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-867\" alt=\"PIC005\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC005.png\" width=\"889\" height=\"623\" \/><\/a><\/p>\n<p>\u3000\u3000\u8acb\u6ce8\u610f outline \u5206\u9801\u4ea6\u540c\u6642\u986f\u793a\u4e86\u932f\u8aa4\u7684\u4f4d\u7f6e\u5728\u90a3\u88cf\uff0c\u65b9\u4fbf\u4e86\u5c0b\u627e\u554f\u984c\u6240\u5728\uff0c\u628a\u6240\u6709\u7d05\u8272\u4ea4\u53c9\u53ca\u9ec3\u8272\u611f\u5606\u865f\u641e\u5b9a\uff0c\u624d\u53ef\u4ee5\u958b\u59cb\u7de8\u8b6f\u3002\u4f46\u662f\u600e\u6a23\u958b\u59cb\u5beb\u78bc\u5462\uff1f\u98db\u5feb\u5730\u95b1\u89bd\u4e00\u4e0b Simplicity Studio \u6240\u63d0\u4f9b\u7684\u6587\u4ef6\uff0c\u7c21\u76f4\u662f\u5145\u6eff\u4e86\u610f\u8b58\u6d41\u6587\u5b78\u90a3\u7a2e\u9694\u7d55\u4eba\u8108\u95dc\u4fc2\u7684\u5473\u9053\uff0c\u5c0d\u5404\u500b\u6a21\u7d44\u3001Libraries \u7684\u7528\u6cd5\uff0c\u5c0d\u7de8\u8b6f\u7684\u8981\u6c42\u53ea\u80fd\u6191\u4e3b\u89c0\u611f\u89ba\u8207\u7d93\u9a57\u884c\u4e8b\uff0c\u5be6\u5728\u4ee4\u4eba\u611f\u5230\u6709\u9ede\u767e\u4e08\u91d1\u525b\u7684\u6ecb\u5473\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC006.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-868\" alt=\"PIC006\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC006.png\" width=\"891\" height=\"651\" \/><\/a><\/p>\n<p>\u3000\u3000\u9996\u5148\u7576\u7136\u8981\u5728 Configurator \u88cf\u8a2d\u5b9a\u597d UART0\uff0c\u5728 DefaultMode Peripherals \u5206\u9801\u5167\u628a UART0 \u6253\u5254\u4fbf\u53ef\uff0c\u4e0d\u904e\u6253\u5254\u5f8c\uff0cUART0 \u4fbf\u8b8a\u4e86\u7d05\u8272\uff0c\u4f3c\u4e4e\u8a2d\u5b9a\u5931\u6557\u4e86\uff01\u770b\u770b\u53f3\u908a\u7684 Properties \u5206\u9801\uff0c\u767c\u89ba BAUD Rate \u662f 0\uff0c\u628a\u9f20\u6a19\u79fb\u5230\u7d05\u8272\u4ea4\u53c9\u4e0a\u9762\u6309\u4e00\u4e0b\uff0c\u767c\u4e0b\u9762 status bar \u5beb\u4e86\u4e00\u53e5\u63d0\u793a Timer 1 \u5fc5\u9700\u8a2d\u70ba 8-bit \u7684 Auto Reload mode \uff0cTimer switch 1 \u5fc5\u9700\u8a2d\u6210 start\uff0c\u624d\u80fd\u4ee4 UART0 \u6b63\u5e38\u64cd\u4f5c\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC007.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-869\" alt=\"PIC007\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC007.png\" width=\"889\" height=\"621\" \/><\/a><\/p>\n<p>\u3000\u3000\u65bc\u662f\u4fbf\u628a Timer 1 \u7684\u6a21\u5f0f\u66f4\u6b63\uff0c\u518d\u770b\u770b UART0 \u7684\u60c5\u6cc1\uff0cBAUD Rate \u53ea\u5f97 244\uff01\u600e\u9ebc\u8fa6\uff1f\uff01\u6bd4 80 \u5e74\u4ee3\u5e38\u7528\u7684 300 BAUD \u90fd\u4e0d\u5982\uff01\u61c9\u8a72\u600e\u6539\u8b8a BAUD Rate \u5462\uff1f\u770b\u770b Properties \u5206\u9801\uff0c\u898b\u5230 Timer 1 \u7684 Overflow Frequency \u662f 488Hz\uff0c\u770b\u4f86 UART0 \u7684 BAUD Rate \u662f Timer 1 \u7684 Overflow Frequency \/ 2\uff0c\u6240\u4ee5\u53c8\u5230 Timer 1 \u90a3\u88cf\u770b\u770b\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC008.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-870\" alt=\"PIC008\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC008.png\" width=\"347\" height=\"311\" \/><\/a><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC009.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-871\" alt=\"PIC009\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC009.png\" width=\"347\" height=\"313\" \/><\/a><\/p>\n<p>\u3000\u3000\u5728 Properties of Timers \u88cf\u53c8\u5206\u6210\u5e7e\u500b\u5206\u9801\uff0c\u5176\u4e2d\u5728 Timer 0\/1 \u5206\u9801\u4e2d\uff0c\u628a Target Overflow Frequency \u8a2d\u5b9a\u6210 19200 (9600 x 2)\uff0c\u6b8a\u4e0d\u77e5\u60e1\u5922\u4e00\u500b\u63a5\u4e00\u500b\uff0c\u9019\u6b21\u8f2a\u5230 Timer 1 \u7684 Reload Overflow Frequency \u51fa\u73fe\u4e86\u9ec3\u8272\u611f\u5606\u865f\uff0c\u4e26\u63d0\u793a\u9700\u8981\u628a System Clock \u7684\u983b\u7387\u63d0\u9ad8\u3002\u9700\u77e5\u9053 Timer \u7684\u6642\u8108\u4f86\u6e90\u662f System Clock\uff0c\u63d0\u9ad8 System Clock \u7684\u983b\u7387\u4fbf\u81ea\u81ea\u7136\u7136\u5730\u63d0\u9ad8 Timer 1 \u7684\u901f\u5ea6\uff0c\u65bc\u662f\u4fbf\u8fd4\u56de DefaultMode Peripherals \u90a3\u8655\uff0c\u628a Clock control \u53ca HFOSC (High Frequency Oscillator) \u6253\u5254\uff0c\u9019\u6642 HFOSC \u4fbf\u6703\u904b\u884c\uff0c\u800c\u6642\u8108\u7684\u901f\u5ea6\u5247\u6703\u7531 Oscillator Frequency Divider \u4f86\u63a7\u5236\uff0c\u60f3\u628a MCU \u8a2d\u5b9a\u70ba\u6700\u9ad8\u901f\u5ea6\uff0c\u53ea\u8981\u628a\u5176\u8a2d\u6210 Divide by 1 \u4fbf\u884c\u3002\u518d\u9ede\u9078 Clock Control\uff0cMCU \u7684\u6642\u8108\u6a21\u7d44\u4ecd\u5167\u7f6e\u6709 Divider \u628a HFOSC \u6240\u7522\u751f\u7684\u6642\u8108\u964d\u983b\uff0c\u6240\u4ee5\u8981\u628a MCU \u8a2d\u6210\u4ee5\u5168\u901f 48MHz \u904b\u884c\uff0c\u5c31\u8981\u628a System Clock Source \u8a2d\u6210 High Frequency Oscillator\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC010.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-872\" alt=\"PIC010\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC010.png\" width=\"889\" height=\"649\" \/><\/a><\/p>\n<p>\u3000\u3000\u628a\u9019\u4e9b\u90fd\u8a2d\u5b9a\u597d\u4e86\u5f8c\uff0c\u4fbf\u8981\u8a2d\u5b9a UART0 \u7684\u8173\u4f4d\uff0c\u96d6\u7136 UART0 \u7684\u8173\u4f4d\u88ab\u56fa\u5b9a\u4e86\u5728 P0.4 \u53ca P0.5\uff0c\u4f46\u662f\u4ecd\u662f\u8981\u8a2d\u5b9a\u597d\uff0c\u800c\u4e14\u4e0d\u80fd\u758f\u5ffd\uff0c\u5426\u5247\u4fbf\u6703\u6b7b\u5f97\u4e0d\u660e\u4e0d\u767d\u3002\u5728\u4e2d\u9593\u7684\u7a97\u6236\u8fd4\u56de DefaultMode Port I\/O\uff0c\u5728\u53f3\u908a Peropherals \u5167\u7684 UART0 \u5074\u908a\u7684 DATA \u4e0a\u6253\u5254\uff0c\u4e2d\u9593\u7a97\u6236\u7684 P0.4 \u53ca P0.5 \u4fbf\u6703\u8b8a\u6210\u7d2b\u8272\uff0c\u8868\u793a\u8173\u4f4d\u5df2\u7d93\u88ab\u5b89\u6392\u7528\u4f5c UART0 \u4e4b\u7528\uff0c\u4f46\u662f P0.4 \u7684\u5b57\u9ad4\u662f\u7d05\u8272\u7684\uff0c\u8868\u793a\u8a2d\u5b9a\u6709\u932f\uff0c\u5230\u73fe\u5728\u8070\u660e\u7684\u4f60\u61c9\u8a72\u77e5\u9053\u600e\u6a23\u89e3\u6c7a\u5427\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC011.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-873\" alt=\"PIC011\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC011.png\" width=\"891\" height=\"627\" \/><\/a><\/p>\n<p>\u3000\u3000\u8aaa\u5230\u9019\u88cf\uff0c\u8173\u4f4d\u53ca\u6a21\u7d44\u8a2d\u5b9a\u90fd\u5df2\u7d93\u5dee\u4e0d\u591a\u5b8c\u6210\u4e86\uff0c\u4f46\u4ed4\u7d30\u770b\u770b\u53f3\u908a Problems \u5206\u9801\u5167\u4ecd\u7136\u6709\u4e00\u500b\u8b66\u544a\uff0c\u6307 Crossbar \u529f\u80fd\u4ecd\u672a\u958b\u5553\uff0c\u9019\u500b\u5f88\u91cd\u8981\uff0c\u4e0d\u80fd\u5ffd\u7565\uff0c\u56e0\u70ba\u82e5\u4e0d\u5553\u52d5 Crossbar \u529f\u80fd UART0 \u4fbf\u4e0d\u80fd\u63a5\u4e0a P0.4 \u53ca P0.5\uff0c\u7e7c\u800c\u4ee4\u4efb\u52d9\u5931\u6557\u6536\u5834\u3002Double click \u90a3\u500b\u9ec3\u8272\u611f\u5606\u865f\u628a\u5b83\u89e3\u6c7a\u7f77\uff01<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC012.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-874\" alt=\"PIC012\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC012.png\" width=\"346\" height=\"315\" \/><\/a><\/p>\n<p>\u3000\u3000\u8173\u4f4d\u53ca\u6a21\u7d44\u7d42\u65bc\u5b8c\u6210\u8a2d\u5b9a\uff0c\u4fbf\u53ef\u4ee5\u5beb code \u4e86\uff0cHello World \u600e\u6a23\u4e5f\u96e3\u4e0d\u5230\u4f60\u7684\uff0c\u4e0d\u904e\u53c8\u600e\u6a23\u5c0e\u5165 Libraries \u5462\uff1f\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u9019\u500b UART0 \u7684 Library \u63d0\u4f9b\u4e86 STDIO \u5c0e\u5411\u529f\u80fd\uff0c\u5728\u5de6\u908a myProject \u9ede\u4e00\u4e0b\uff0c\u518d\u5728\u4e3b\u83dc\u55ae\u6309 Project &#8211;&gt; Properties\uff0c\u5c55\u958b C\/C++ Build \u9ede\u9078 Project Modules\uff0c\u9078\u64c7 Assert\u3001bsp \u88cf\u7684 efm8_bsp \u53ca PeripheralDrivers \u5165\u9762\u7684 uart_0 \u4fbf\u5927\u529f\u544a\u6210\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC013.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-875\" alt=\"PIC013\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC013.png\" width=\"1018\" height=\"597\" \/><\/a><\/p>\n<p>\u3000\u3000\u7531\u65bc UART0 \u9019\u500b Library \u6709 STDIO \u5c0e\u5411\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u7c21\u55ae\u5229\u7528 printf \u53ca getchar \u7b49\u7c21\u55ae\u6307\u4ee4\u4f86\u63a7\u5236 UART0\uff0c\u4f46\u9700\u8981\u5728 efm8_config.h \u5167\u8a2d\u5b9a\u628a STDIO \u5c0e\u5411\u5230 UART0\uff0c\u4f46\u662f\u6bd4\u8f03\u9ebb\u7169\u7684\u662f Simplicity Studio \u4e26\u4e0d\u6703\u81ea\u52d5\u751f\u6210\u9019\u500b\u6a94\u6848\uff0c\u552f\u6709\u81ea\u5df1\u81ea\u4ee3\u78bc\u81ea\u5df1 gen\uff0c\u628a\u4e0b\u5716\u5169\u53e5\u8a2d\u5b9a\u5132\u5b58\u6210 efm8_config.h\uff0c\u7136\u5f8c\u8986\u88fd\u5230 Project path \u5167\u7684 inc \u6587\u4ef6\u593e\uff0cPrject path \u901a\u5e38\u653e\u5728\u7528\u6236\u6587\u4ef6\u593e\u7684 SimplicityStudio \u5167\u3002<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC014.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-876\" alt=\"PIC014\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC014.png\" width=\"793\" height=\"545\" \/><\/a><\/p>\n<p>\u3000\u3000\u5beb\u9019\u500b main \u7a0b\u5e8f\u5c31\u50cf\u9580\u524d\u57f7\u6f0f\uff0c\u4e00\u8173\u7834\u7db2\u4e00\u6a23\uff0c\u6700\u8f15\u9b06\uff0c\u4f46\u4fc2\u53c8\u7acb\u5373\u6210\u529f\u3002\u4e0d\u904e\u5225\u5fd8\u4e86 #include &#8220;uart0.h&#8221;\uff0c#include &#8220;efm8_config.h&#8221; \u53ca #include &lt;stdio.h&gt; \u9019\u5e7e\u53e5\u3002\u800c\u4e14\u8981\u628a STDIO \u5c0e\u5411\u5230 UART0 \u4e4b\u524d\uff0c\u5fc5\u9700\u5148\u57f7\u884c UART0_initStdio();\uff0c\u6700\u5f8c\u7576\u7136\u5c31\u662f Hello World \u51fa\u5834\u5566\uff01<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC015.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-877\" alt=\"PIC015\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC015.png\" width=\"545\" height=\"622\" \/><\/a><\/p>\n<p>\u3000\u3000\u6309\u9318\u5b50\u6309\u9215\u4fbf\u53ef\u4ee5\u958b\u59cb\u7de8\u8b6f\uff0c\u6aa2\u67e5\u7de8\u8b6f\u6c92\u6709\u932f\u8aa4\u5f8c\uff0c\u53ef\u6309\u4e0b Flash Programmer \u6309\u9215\uff0c\u628a\u7a0b\u5f0f\u71d2\u9304\u5230 MCU \u5167\uff0c\u6700\u5f8c\u7576\u7136\u5c31\u662f\u958b\u59cb\u6e2c\u8a66\u5566\uff01\u4ed8\u4e0a Tera Term \u7684\u622a\u5716\u4e00\u5e45\uff0c9600 baud \u7684 COM 5 \u525b\u6536\u5230 EFM8 \u50b3\u4f86\u7684 Hello World\uff0c\u5be6\u9a57\u6210\u529f\uff0c\u5404\u4f4d\u665a\u5b89\uff01<\/p>\n<p style=\"text-align: center\">\u00a0<a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC016.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-878\" alt=\"PIC016\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC016.png\" width=\"395\" height=\"79\" \/><\/a><\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC017.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-879\" alt=\"PIC017\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC017.png\" width=\"144\" height=\"75\" \/><\/a><\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC018.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-880\" alt=\"PIC018\" src=\"http:\/\/workshop.siliconforce.com\/wp-content\/uploads\/2014\/04\/PIC018.png\" width=\"917\" height=\"522\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8cb7\u4e86\u4e00\u5957 EFM8 Universal Bee Starter Kit\uff0cSilicon Labs \u8072\u7a31\u53ea\u9700\u5728\u5176\u7db2\u7ad9\u4e0a\u4e0b\u8f09\u5176\u914d\u5957\u8edf\u4ef6 Simplicity Studio \u4fbf\u6709\u9f4a\u6240\u6709\u958b\u767c\u5de5\u5177\u3001\u6587\u4ef6\u53ca Libraries\uff0c\u66fe Sir \u8a66\u4e86\u4e00\u4e0b\uff0c\u767c\u89ba\u5728\u5f97\u5230\u6eff\u8db3\u524d\u96e3\u4ee5\u907f\u514d\u6703\u6709\u9663\u75db\uff0c\u800c\u4e14\u75db\u5f97\u5e7e\u5287\u70c8\uff0c\u70ba\u514d\u66fe Sir \u7684\u8001\u4eba\u7661\u5446\u4ee4\u81ea\u5df1\u75db\u5b8c\u53c8\u75db\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u628a\u6b65\u9a5f\u4e00\u4e00\u8a18\u4e0b\u4f86\u3002<\/p>\n","protected":false},"author":2,"featured_media":886,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[142,129,153,157,139,136,138,155,154,141,133,149,151,140,137,127,61,128,152,148,146,147,126,132,134,158,145,131,130,150,135,143,144,156],"_links":{"self":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts\/862"}],"collection":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=862"}],"version-history":[{"count":12,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts\/862\/revisions"}],"predecessor-version":[{"id":898,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts\/862\/revisions\/898"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/media\/886"}],"wp:attachment":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}