{"id":17763,"date":"2022-01-27T00:00:48","date_gmt":"2022-01-26T16:00:48","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=17763"},"modified":"2022-03-28T15:02:30","modified_gmt":"2022-03-28T07:02:30","slug":"%e4%bd%bf%e7%94%a8raspberry-pi%e5%92%8carduino-uno%e6%9e%84%e5%bb%ba%e6%b3%a2%e8%a1%a8%e5%90%88%e6%88%90%e5%99%a8","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/tech-info\/engineer\/how-tos\/raspberry\/building-a-wavetable-synthesizer-with-a-raspberry-pi-and-an-arduino-uno","title":{"rendered":"\u4f7f\u7528Raspberry Pi\u548cArduino Uno\u6784\u5efa\u6ce2\u8868\u5408\u6210\u5668"},"content":{"rendered":"
\n\u8fd9\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8eDevicePlus.com<\/a>\u82f1\u8bed\u7f51\u7ad9\u7684\u7ffb\u8bd1\u7a3f\u3002<\/p>\n

\u4e0d\u4e45\u524d\uff0c\u6211\u4eec\u7814\u7a76\u4e86\u5982\u4f55\u4f7f\u7528Raspberry Pi\u7684I2C\u603b\u7ebf\u6765\u63a7\u5236Arduino Uno\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u6765\u8f93\u51fa\u6a21\u62df\u7535\u538b\u3002<\/p>\n

\u4ee4\u4eba\u5174\u594b\u7684\u662f\uff0c\u5b8c\u6210\u8fd9\u4e9b\u9879\u76ee\u540e\uff0c\u60a8\u5c31\u5df2\u7ecf\u638c\u63e1\u6784\u5efa\u4e00\u4e2a\u7b80\u5355\u5408\u6210\u5668\u7684\u5927\u90e8\u5206\u65b9\u6cd5\u4e86\u3002<\/p>\n

\u5e76\u4e14\u4e00\u5bb6\u540d\u53ebdzl\u7684\u5236\u9020\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u4e00\u7ec4\u540d\u4e3athe_synth\u7684Arduino\u5e93\uff0c\u6211\u4eec\u53ef\u4ee5\u9a6c\u4e0a\u5b89\u88c5\u5e76\u4f7f\u7528\u8be5\u5e93\u3002<\/p>\n

\u90a3\u4e48\uff0c\u5c31\u8ba9\u6211\u4eec\u6765\u4e00\u8d77\u5b8c\u6210\u8fd9\u4e2a\u9879\u76ee\u5427\uff01\u73b0\u5728\uff0c\u6211\u4eec\u6765\u6784\u5efa\u4e00\u4e2a\u6ce2\u8868\u5408\u6210\u5668\u3002<\/p>\n

\u201c\u6ce2\u8868\u201d\u5408\u6210\u5668\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n

\u4e00\u4e2a\u6ce2\u8868\u5408\u6210\u5668\u53ef\u4ee5\u5c06\u4e00\u7cfb\u5217\u7b80\u5355\u6ce2\u5f62\u4ee5\u4e0d\u540c\u7535\u538b\u7535\u5e73\u6ce2\u8868\u6587\u4ef6\u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u5b58\u50a8\u5668\u4e2d\u3002<\/p>\n

\u5408\u6210\u5668\u5c06\u8fd9\u4e9b\u7535\u538b\u4ee5\u4e0d\u540c\u7684\u901f\u7387\u8f93\u51fa\uff0c\u6765\u4ea7\u751f\u76f8\u5e94\u9891\u7387\u7684\u97f3\u8c03\u3002<\/p>\n

\u6211\u4eec\u53ea\u9700\u8981\u5b58\u50a8\u6bcf\u79cd\u6ce2\u5f62\u7684\u4e00\u4e2a\u5468\u671f\uff0c\u8fd9\u662f\u4e00\u79cd\u53ef\u4ee5\u9ad8\u6548\u8282\u7701\u5185\u5b58\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u7528\u4e8e\u5185\u5b58\u6709\u9650\u7684\u7b80\u5355\u5fae\u63a7\u5236\u5668\u3002<\/p>\n

\u5728the_synth\u91cc\uff0c\u60a8\u53ef\u4ee5\u5728tables.h\u6587\u4ef6\u4e2d\u627e\u5230\u6ce2\u8868\u3002\u60a8\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91\u8be5\u6587\u4ef6\u6765\u521b\u5efa\u81ea\u5df1\u7684\u6ce2\u8868\u3002<\/p>\n

\u7136\u540e\uff0c\u6211\u4eec\u901a\u8fc7\u628aArduino Uno\u7684PWM\u786c\u4ef6\u8fde\u63a5\u5230\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u5c06\u5185\u5b58\u4e2d\u7684\u8fd9\u4e9b\u6570\u503c\u8f6c\u6362\u4e3a\u6a21\u62df\u7535\u538b\uff0c\u5982\u4e4b\u524d\u7684\u9879\u76ee\u4e2d\u6240\u63cf\u8ff0\u7684\u90a3\u6837\u3002<\/p>\n

\u6240\u9700\u90e8\u4ef6<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Raspberry Pi<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2aGPIO\u6269\u5c55\u677f<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2a\u65e0\u710a\u9762\u5305\u677f<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2aArduino Uno<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2a1k\u6b27\u59c6\u7535\u963b<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2a10nF\u7535\u5bb9<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2a220uF\u7535\u5bb9<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e00\u4e2a\u6709\u6e90\u626c\u58f0\u5668<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6700\u597d\u4e0d\u8981\u4f7f\u7528\u6602\u8d35\u7684\u6709\u6e90\u626c\u58f0\u5668\u6765\u6784\u5efa\u548c\u6d4b\u8bd5DIY\u5408\u6210\u5668\u6216\u97f3\u9891\u9879\u76ee\u3002\u867d\u7136\u8fd9\u6837\u7684\u7535\u8def\u4e0d\u4e00\u5b9a\u4f1a\u635f\u574f\u60a8\u7684\u4e1c\u897f\uff0c\u4f46\u662f\u4e3a\u4ec0\u4e48\u8981\u5192\u9669\u5462\uff1f<\/p>\n

\u6211\u4e00\u76f4\u4f7f\u7528\u7684\u90fd\u662f\u4ece\u4e8c\u624b\u5546\u5e97\u82b15\u7f8e\u5143\u8d2d\u4e70\u7684\u5927\u578b\u65e7\u56fa\u6001\u9ad8\u4fdd\u771f\u97f3\u54cd\u3002\u4e00\u4e9b\u65e7\u7684\u7535\u8111\u626c\u58f0\u5668\u4e5f\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n

\u5b89\u88c5\u793a\u4f8b<\/h3>\n

The_synth\u9644\u5e26\u4e86\u8bb8\u591a\u793a\u4f8b\u7528\u4e8e\u6f14\u793a\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5b83\u4eec\u3002\u5728\u6df1\u5165\u7814\u7a76\u4ee3\u7801\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u8bd5\u4e00\u4e0b\u5176\u4e2d\u4e00\u4e2a\u793a\u4f8b\u3002<\/p>\n

\u5982\u679c\u60f3\u8981\u5728\u60a8\u7684Arduino IDE\u4e2d\u5b89\u88c5\u5e93\u548c\u5176\u4e2d\u7684\u793a\u4f8b\uff0c\u8bf7\u524d\u5f80 https:\/\/github.com\/dzlonline\/the_synth\u5e76\u70b9\u51fb\u5728\u9875\u9762\u53f3\u4e0a\u65b9\u6807\u6709Code.<\/em>\u7684\u7eff\u8272\u6309\u94ae\u3002<\/p>\n

\"\"<\/p>\n

\u70b9\u51fbDownload ZIP<\/em>\uff0c\u5e76\u4fdd\u5b58\u8be5\u6587\u4ef6\u3002<\/p>\n

\u73b0\u5728\u6253\u5f00Arduino IDE\u3002\u5728Sketch<\/em>\u83dc\u5355\u4e2d\uff0c\u5c06\u5149\u6807\u653e\u5728Include Library<\/em>\u5904\uff0c\u7136\u540e\u70b9\u51fbAdd .ZIP library…<\/em>\u3002
\n\"\"<\/p>\n

\u627e\u5230\u6211\u4eec\u4e4b\u524d\u4fdd\u5b58\u7684.zip\u6587\u4ef6\uff0c\u9009\u62e9\u5b83\u5e76\u70b9\u51fb\u201cOK\u201d\u3002<\/p>\n

\"\"<\/p>\n

\u60a8\u73b0\u5728\u5df2\u7ecf\u6210\u529f\u5c06the_synth\u5b89\u88c5\u5230\u4e86\u60a8\u7684IDE\u4e2d\uff0c\u5e76\u4e14\u53ef\u4ee5\u4ece\u83dc\u5355\u4e2d\u8bbf\u95ee\u5e93\u548c\u793a\u4f8b\u4e86\u3002\u8ba9\u6211\u4eec\u8bd5\u8bd5any_hertz\u793a\u4f8b\uff0c\u5b83\u53ef\u4ee5\u5faa\u73af\u904d\u5386\u56db\u79cd\u4e0d\u540c\u7684\u9891\u7387\u3002<\/p>\n

\"\"<\/p>\n

\u60a8\u53ef\u4ee5\u6253\u5f00\u201cFile\u201d\u83dc\u5355\uff0c\u5c06\u9f20\u6807\u505c\u7559\u5728Examples<\/em>\u5904\uff0c\u7136\u540e\u6eda\u52a8\u5230\u5e95\u90e8\u81f3the_synth-master.<\/em>\u627e\u5230\u8be5\u793a\u4f8b\u3002\u5c06\u9f20\u6807\u505c\u7559\u5728\u8be5\u9009\u62e9\u4e0a\uff0c\u5e76\u70b9\u51fbany_hertz<\/em>\u6765\u6253\u5f00\u8349\u56fe\u3002<\/p>\n

\u73b0\u5728\u901a\u8fc7USB\u8fde\u63a5Arduino Uno\uff0c\u8bf7\u518d\u6b21\u786e\u8ba4\u60a8\u9009\u62e9\u4e86Arduino Uno\uff0c\u786e\u8ba4\u540e\u4e0a\u4f20\u8349\u56fe\u3002<\/p>\n

\u63a5\u7ebf<\/h3>\n

\u73b0\u5728\uff0c\u6211\u4eec\u9700\u8981\u5c06Arduino Uno\u8fde\u63a5\u5230\u4e00\u4e2a\u7b80\u5355\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u5c31\u50cf\u4e4b\u524d\u6784\u5efa\u9879\u76ee\u4e2d\u6240\u505a\u7684\u90a3\u6837\uff0c\u7136\u540e\u5c06\u5b83\u8fde\u63a5\u5230\u6211\u4eec\u7684\u626c\u58f0\u5668\u3002<\/p>\n

\u9996\u5148\uff0c\u4ece\u8fde\u63a5\u7535\u6e90\u5f15\u811a\u5f00\u59cb\uff1a<\/p>\n

\"\"
\n\u5c06\u5f15\u811a11\uff08\u5373PWM\u5f15\u811a\uff09\u8fde\u63a5\u5230\u9762\u5305\u677f\u7684\u4e2d\u95f4\u3002\u6211\u4eec\u8fd8\u9700\u8981\u63a5\u5730\u6765\u6784\u5efa\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u56e0\u6b64\u5c06\u63a5\u5730\u5f15\u811a\u8fde\u63a5\u5230\u8d1f\u7535\u6e90\u8f68\u3002
\n\"\"<\/p>\n

\u73b0\u5728\u6784\u5efa\u4f4e\u901a\u6ee4\u6ce2\u5668\u3002\u5c061k\u7535\u963b\u8fde\u63a5\u5230PWM\u5f15\u811a\uff0c\u7136\u540e\u5c0610nF\u7535\u5bb9\u8fde\u63a5\u5230\u7535\u963b\u7684\u53e6\u4e00\u7aef\u548c\u63a5\u5730\u8f68\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

\"\"<\/p>\n

\u73b0\u5728\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u8026\u5408\u7535\u5bb9\u5668\uff0c\u4ee5\u786e\u4fdd\u4e0d\u4f1a\u901a\u8fc7\u4efb\u4f55\u76f4\u6d41\u7535\u3002\u9700\u8981\u8bb0\u4f4f\u7684\u4e00\u70b9\u662f\u7535\u89e3\u7535\u5bb9\u5668\u662f\u6709\u6781\u6027\u7684\uff0c\u56e0\u6b64\u8bf7\u5c06\u9633\u6781\uff08\u8f83\u957f\u7aef\uff09\u8fde\u63a5\u5230\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u53e6\u4e00\u7aef\u8fde\u63a5\u5230\u9762\u5305\u677f\u4e0b\u65b9\u3002
\n\"\"<\/p>\n

\u5c06\u626c\u58f0\u5668\u8fde\u63a5\u5230\u8026\u5408\u7535\u5bb9\u5668\u7684\u9634\u6781\uff0c\u5982\u6709\u9700\u8981\u53ef\u4ee5\u63a5\u5730\u3002<\/p>\n

\u5982\u679c\u60a8\u5df2\u7ecf\u6b63\u786e\u5b8c\u6210\u4e86\u6240\u6709\u8fde\u63a5\uff0c\u60a8\u73b0\u5728\u5c06\u4f1a\u542c\u5230\u4e00\u7ec4\u5305\u542b\u56db\u79cd\u97f3\u8c03\u7684\u58f0\u97f3\u3002<\/p>\n

\u4f7f\u7528I2C \u548cRaspberry Pi\u63a7\u5236\u5408\u6210\u5668<\/h3>\n

\u60a8\u73b0\u5728\u53ef\u4ee5\u542c\u5230\u81ea\u5df1\u6240\u6784\u5efa\u7684\u6ce2\u8868\u5408\u6210\u5668\u6240\u53d1\u51fa\u7684\u58f0\u97f3\u4e86\uff0c\u662f\u4e0d\u662f\u5f88\u9177\uff1f<\/p>\n

\u4f46\u53ea\u662f\u4e00\u904d\u53c8\u4e00\u904d\u5730\u542c\u7740\u8fd9\u56db\u79cd\u97f3\u8c03\u5e76\u4e0d\u662f\u5f88\u6709\u8da3\u3002\u6211\u4eec\u60f3\u8981\u80fd\u591f\u4f7f\u7528Raspberry Pi\u5bf9\u5176\u8fdb\u884c\u63a7\u5236\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u5728I2C\u603b\u7ebf\u4e0a\u4f7f\u7528Arduino\u7684Wire\u5e93\u548cPython\u4e2d\u7684SMBus\u6a21\u5757\uff08\u6211\u4eec\u4e4b\u524d\u4ecb\u7ecd\u8fc7\uff09\u6765\u5b8c\u6210\u6b64\u64cd\u4f5c\u3002<\/p>\n

\u5bf9Arduino Uno\u7f16\u7a0b<\/h3>\n

\u6211\u4eec\u771f\u6b63\u9700\u8981\u505a\u7684\u662f\u5c06\u8fd9\u4e2aany_hertz<\/em>\u793a\u4f8b\u548c\u4e4b\u524d\u7f16\u5199\u7684I2C\u7a0b\u5e8f\u6574\u5408\u5728\u4e00\u8d77\uff0c\u4ee5\u64ad\u653e\u6211\u4eec\u53d1\u9001\u7684\u97f3\u7b26\u3002
\n\u6211\u4eec\u5148\u5bfc\u5165I2C\u548csynth\u5e93\u3002
\n#include <Wire.h><\/span>
\n#include <synth.h><\/span><\/p>\n

\u6bcf\u4e2aArduino\u8349\u56fe\u90fd\u9700\u8981\u4e00\u4e2a\u8bbe\u7f6e\u51fd\u6570\uff0c\u5728\u6211\u4eec\u7684\u8bbe\u7f6e\u51fd\u6570\u4e2d\uff0c\u9700\u8981\u5b8c\u6210\u4e09\u4ef6\u4e8b\u60c5\uff1a\u4f5c\u4e3a\u4ece\u673a\u52a0\u5165I2C\u603b\u7ebf\uff1b\u521d\u59cb\u5316\u6211\u4eec\u7684\u5408\u6210\u5668\uff1b\u4ee5\u53ca\u5728\u6536\u5230I2C\u6307\u4ee4\u65f6\u8c03\u7528\u53e6\u4e00\u4e2a\u51fd\u6570\u3002
\n\u6211\u4eec\u53ef\u4ee5\u6309\u7167\u5982\u4e0b\u6240\u793a\u7f16\u5199\uff1a
\nvoid setup() {<\/span><\/p>\n

edgar.begin(); \/\/-Start up a synth<\/span>
\nedgar.setupVoice(0,TRIANGLE,60,ENVELOPE1,127,64); \/\/-Set up voice 0<\/span><\/p>\n

Wire.begin(0x8); \/\/ Join the I2C Bus as a slave at address 0x8<\/span>
\nWire.onReceive(readInstruction); \/\/ On<\/span>
\n}<\/span><\/p>\n

\u73b0\u5728\u6211\u4eec\u9700\u8981\u7f16\u5199readInstruction()\u51fd\u6570\u3002\u8be5\u51fd\u6570\u7528\u4e8e\u4eceI2C\u603b\u7ebf\u8bfb\u53d6\u4e00\u4e2a\u6570\u5b57\u3002\u5982\u679c\u8bfb\u53d6\u4e860\uff0c\u90a3\u4e48\u5c06\u4e0d\u64ad\u653e\u4efb\u4f55\u4e1c\u897f\u3002\u5982\u679c\u8bfb\u53d6\u4e861\u52308\u4e4b\u95f4\u7684\u6570\u5b57\uff0c\u90a3\u4e48\u5c06\u4f1a\u64ad\u653eA1\u5230A2\u4e4b\u95f4\u7684\u4e00\u4e2a\u97f3\u7b26\u3002
\nvoid readInstruction(int bitstream) {<\/span>
\nbyte option = Wire.read();<\/span>
\nswitch (option) {<\/span>
\ncase 0:<\/span>
\nedgar.setFrequency(0, 0.0); \/\/ Play nothing<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 1:<\/span>
\nedgar.setFrequency(0, 55.0); \/\/ Play A1<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 2:<\/span>
\nedgar.setFrequency(0, 61.74); \/\/ Play B1<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 3:<\/span>
\nedgar.setFrequency(0, 65.41); \/\/ Play C2<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 4:<\/span>
\nedgar.setFrequency(0, 73.42); \/\/ Play D2<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 5:<\/span>
\nedgar.setFrequency(0, 82.41); \/\/ Play E2<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 6:<\/span>
\nedgar.setFrequency(0, 87.31); \/\/ Play F2<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 7:<\/span>
\nedgar.setFrequency(0, 98.0); \/\/ Play G2<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\ncase 8:<\/span>
\nedgar.setFrequency(0, 110.0); \/\/ Play A2<\/span>
\nedgar.trigger(0);<\/span>
\nbreak;<\/span>
\n}<\/span>
\n}<\/span><\/p>\n

\u6700\u540e\uff0c\u6bcf\u4e2aArduino\u8349\u56fe\u90fd\u9700\u8981\u4e00\u4e2a\u5faa\u73af\u51fd\u6570\u3002\u4f46\u5b9e\u9645\u4e0a\u6211\u4eec\u6ca1\u6709\u9700\u8981\u5faa\u73af\u8fd0\u884c\u7684\u5de5\u4f5c\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u5728\u5176\u4e2d\u5199\u5165\u4e00\u4e2asleep\u51fd\u6570\u3002
\nvoid loop() {<\/span>
\nsleep(10000);<\/span>
\n}<\/span><\/p>\n

\u4fdd\u5b58\u8be5\u8349\u56fe\uff0c\u5e76\u5c06\u5176\u4e0a\u4f20\u5230\u60a8\u7684Arduino Uno\u3002<\/p>\n

\u8fde\u63a5I2C\u603b\u7ebf<\/h3>\n

\u8fd9\u90e8\u5206\u5185\u5bb9\u4e0e\u6211\u4eec\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u6240\u4ecb\u7ecd\u7684\u5b8c\u5168\u76f8\u540c\uff1a\u5c06Raspberry Pi\u7684SDA\u5f15\u811a\u8fde\u63a5\u5230Arduino Uno\u7684A4\u5f15\u811a\uff0c\u5c06SCL\u5f15\u811a\u8fde\u63a5\u5230A5\u5f15\u811a\u3002
\n\"\"<\/p>\n

\u64ad\u653e\u4e00\u9996\u7b80\u5355\u7684\u6b4c\u66f2<\/h3>\n

\u73b0\u5728\u8ba9\u6211\u4eec\u7528\u8be5\u9879\u76ee\u6765\u64ad\u653e\u6b4c\u66f2\u300aMary Had a Little Lamb\u300b\u3002
\n\u8fd9\u9996\u6b4c\u6709\u4e24\u79cd\u4e0d\u540c\u957f\u5ea6\u7684\u97f3\u7b26\uff1a\u56db\u5206\u97f3\u7b26\u548c\u534a\u97f3\u7b26\uff08\u6216\u4e8c\u5206\u97f3\u7b26\uff09\u3002\u6211\u4eec\u73b0\u5728\u6765\u7f16\u5199\u4e24\u4e2a\u5feb\u901f\u51fd\u6570\u6765\u64ad\u653e\u8fd9\u4e9b\u97f3\u7b26\u3002
\n\u6211\u4eec\u9700\u8981\u8ba1\u65f6\u529f\u80fd\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u5bfc\u5165sleep\u51fd\u6570\u3002
\nfrom time import sleep<\/span><\/p>\n

\u4f46\u662f\u4e2d\u95f4\u9700\u8981\u6682\u505c\u591a\u4e45\uff1f\u6211\u4eec\u7684\u6b4c\u66f2\u662f\u6bcf\u5206\u949f122\u62cd\u3002\u6839\u636e\u8be5\u6570\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u51fa\u6bcf\u4e2a\u97f3\u7b26\u9700\u8981\u591a\u5c11\u79d2\uff1a\u56db\u5206\u97f3\u7b26\u662f492\u5fae\u79d2\u3002\u6211\u4eec\u5728\u7ed3\u5c3e\u5904\u8bbe\u7f6e\u4e00\u6bb5\u975e\u5e38\u77ed\u7684\u6682\u505c\uff0c\u4ee5\u4fbf\u80fd\u591f\u5728\u64ad\u653e\u76f8\u540c\u97f3\u8c03\u65f6\u5206\u8fa8\u8fd9\u4e9b\u97f3\u7b26\u3002
\ndef playCrotchet(int pitch):<\/span>
\ni2cbus.write_byte(pitch)<\/span>
\nsleep(0.472)<\/span>
\ni2cbus.write_byte(arduino, 0)<\/span>
\nsleep(0.02)<\/span><\/p>\n

\u73b0\u5728\u6211\u4eec\u6765\u5199\u4e00\u4e2a\u534a\u97f3\u7b26\u51fd\u6570\uff1a<\/p>\n

def playMinim(int pitch):<\/span>
\ni2cbus.write_byte(pitch)<\/span>
\nsleep(0.964)<\/span>
\ni2cbus.write_byte(arduino, 0)<\/span>
\nsleep(0.02)<\/span><\/p>\n

\u7136\u540e\uff1a<\/p>\n

def playMary():<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(C2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayMinim(E2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayMinim(D2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(G2)<\/span>
\nplayMinim(G2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(C2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayCrotchet(E2)<\/span>
\nplayCrotchet(D2)<\/span>
\nplayMinim(C2)<\/span><\/p>\n

\u60f3\u8981\u64ad\u653e\u8be5\u6b4c\u66f2\uff0c\u8bf7\u8f93\u5165\uff1a<\/p>\n

playMary()<\/span><\/p>\n

\u591a\u5c1d\u8bd5\u4e00\u4e9b\u5185\u5bb9\uff0c\u770b\u770b\u6709\u6ca1\u6709\u4ec0\u4e48\u65b0\u7684\u60f3\u6cd5\u3002<\/p>\n

\u4e0b\u4e00\u6b65\u8be5\u505a\u4ec0\u4e48\uff1f<\/h3>\n

\u8fd9\u662f\u63a2\u7d22\u5408\u6210\u5668\u6784\u5efa\u65b9\u6cd5\u7684\u4e00\u4e2a\u5f88\u597d\u7684\u5f00\u7aef\uff1a\u60a8\u8fd8\u53ef\u4ee5\u57fa\u4e8e\u8be5\u5185\u5bb9\u5236\u4f5c\u4e00\u4e9b\u5f88\u9177\u7684\u4f4e\u97f3\u7ebf\u3002
\n\u4f46\u662f\u5c06\u6240\u6709\u97f3\u4e50\u90fd\u5199\u6210\u4ee3\u7801\u662f\u76f8\u5f53\u9ebb\u70e6\u7684\uff0c\u800c\u4e14\u6211\u4eec\u76ee\u524d\u53ea\u6709\u6709\u9650\u7684\u97f3\u7b26\u548c\u7b80\u5355\u7684\u6ce2\u5f62\u3002
\n\u63a5\u4e0b\u6765\u5982\u679c\u53ef\u4ee5\u4f7f\u7528\u56fe\u5f62\u754c\u9762\u4ee5\u53ca\u6539\u53d8\u97f3\u7b26\u7684\u97f3\u8272\u4e0d\u662f\u4f1a\u66f4\u597d\u4e48\uff1f
\n\u8bf7\u7ee7\u7eed\u5173\u6ce8\u6211\u4eec\u2014\u2014\u6211\u4eec\u5c06\u4f1a\u5f88\u5feb\u8fdb\u884c\u8fd9\u4e9b\u5185\u5bb9\u7684\u63a2\u7d22\u3002<\/p>\n

\n
\n\t\t\"DevicePlus\n\t<\/div>\n
\n
DevicePlus \u7f16\u8f91\u56e2\u961f<\/h5>\n
\n

\u8bbe\u5907\u5347\u7ea7\u7248\u9002\u7528\u4e8e\u6240\u6709\u70ed\u7231\u7535\u5b50\u548c\u673a\u7535\u4e00\u4f53\u5316\u7684\u4eba\u3002<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"\u8fd9\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8eDevicePlus.com\u82f1\u8bed\u7f51\u7ad9\u7684\u7ffb\u8bd1\u7a3f\u3002 \u4e0d\u4e45\u524d\uff0c\u6211\u4eec\u7814\u7a76\u4e86\u5982\u4f55\u4f7f\u7528Raspberry Pi\u7684I2C\u603b\u7ebf\u6765\u63a7\u5236Arduino Uno\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u6765\u8f93\u51fa\u6a21\u62df\u7535\u538b\u3002 \u4ee4\u4eba\u5174\u594b\u7684\u662f\uff0c\u5b8c\u6210\u8fd9\u4e9b\u9879\u76ee\u540e\uff0c\u60a8\u5c31 […]","protected":false},"author":4,"featured_media":17764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1132],"tags":[],"class_list":["post-17763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/17763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=17763"}],"version-history":[{"count":3,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/17763\/revisions"}],"predecessor-version":[{"id":17783,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/17763\/revisions\/17783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/17764"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=17763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=17763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=17763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}