{"id":385,"date":"2026-04-16T21:35:54","date_gmt":"2026-04-16T13:35:54","guid":{"rendered":"https:\/\/xuemeng.work\/?p=385"},"modified":"2026-04-16T21:35:55","modified_gmt":"2026-04-16T13:35:55","slug":"xm-power-kit-%e7%a4%ba%e6%b3%a2%e5%99%a8%e6%a8%a1%e5%9d%97-%e8%ae%b2%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/xuemeng.work\/index.php\/2026\/04\/16\/xm-power-kit-%e7%a4%ba%e6%b3%a2%e5%99%a8%e6%a8%a1%e5%9d%97-%e8%ae%b2%e8%a7%a3\/","title":{"rendered":"XM POWER KIT\u2014 \u793a\u6ce2\u5668\u6a21\u5757 \u8bb2\u89e3"},"content":{"rendered":"\n

\u793a\u6ce2\u5668\u53ef\u4ee5\u8bf4\u662f\u6211\u505a\u8fc7\u6700\u6700\u6700\u590d\u6742\u7684\u4e1c\u897f\u4e86\uff0c\u524d\u524d\u540e\u540e\u641e\u4e86\u5feb1\u4e2a\u6708\u624d\u641e\u597d\u3002\u4e0b\u9762\u968f\u6211\u7684\u6b65\u4f10\uff0c\u6211\u4eec\u8fdb\u884c\u7ec6\u81f4\u7684\u8bb2\u89e3~<\/p>\n\n\n\n

\u4e00\u3001\u786c\u4ef6\u8bbe\u8ba1<\/h1>\n\n\n\n

1\u3001\u524d\u7ea7\u7535\u8def<\/h2>\n\n\n\n

\u5bf9\u4e8e\u4e00\u4e2a\u8f93\u5165\u4fe1\u53f7\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u4e00\u4e9b\u5904\u7406\uff0c\u6bd4\u5982\u8bf4 \u662f\u76f4\u6d41\u8026\u5408\u8fd8\u662f\u4ea4\u6d41\u8026\u5408\uff1f\u8981\u4e0d\u8981\u5bf9\u5b83\u8fdb\u884c\u5206\u538b\uff1f\u5206\u538b\u540e\u8981\u4e0d\u8981\u8fdb\u884c\u653e\u5927\uff1f\u7b49\u7b49\u7b49\u7b49\u3002\u65e0\u8bba\u5982\u4f55\uff0c\u6211\u4eec\u7684\u76ee\u7684\u90fd\u662f\u5c06\u8f93\u5165\u4fe1\u53f7\u8fdb\u884c\u9002\u5f53\u7684\u5904\u7406\uff0c\u8ba9\u5b83\u9002\u5408STM32 3.3V\u7684ADC\u91c7\u6837\u3002\u56e0\u6b64\u5c31\u6709\u4e86\u5982\u4e0b\u7684\u7535\u8def\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

<\/p>\n\n\n\n

\u6211\u4eec\u6765\u4f9d\u6b21\u5206\u6790\u4e00\u4e0b\uff1a<\/p>\n\n\n\n

1.1 \u4ea4\u76f4\u6d41\u8026\u5408\u4e0e\u8870\u51cf<\/h3>\n\n\n\n

\u8fd9\u91cc\u4f7f\u7528\u4e86\u4e24\u5957\u7ee7\u7535\u5668\u6765\u5206\u522b\u63a7\u5236\u3002\u4ea4\u76f4\u6d41\u8026\u5408\u5f88\u7b80\u5355\uff0c\u76f4\u6d41\u5c31\u76f4\u63a5\u8fc7\uff0c\u4ea4\u6d41\u8026\u5408\u5c31\u7ecf\u8fc7\u4e00\u4e2a10nf\u7684\u7535\u5bb9\u6ee4\u9664\u76f4\u6d41\u5206\u91cf\u5373\u53ef\u3002<\/p>\n\n\n\n

\u8870\u51cf\u540c\u7406\uff0c\u4e0d\u8fc7\u8fd9\u91cc\u7684\u8870\u51cf\u500d\u6570\u8981\u91cd\u65b0\u8ba1\u7b97\u4e00\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

<\/p>\n\n\n\n

\u7531\u4e8e1M\u03a9\u7684\u4e0b\u62c9\u7535\u963b\u5b58\u5728\uff0c\u540c\u65f6\u4e3a\u4e86\u4fdd\u8bc1\u793a\u6ce2\u5668\u8f93\u5165\u7aef1M\u03a9\u7684\u963b\u6297\u9700\u6c42\uff0c\u624d\u8fdb\u884c\u6b64\u7535\u963b\u7f51\u7edc\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

\u7ecf\u8fc7\u8fd9\u4e24\u6b65\u9aa4\u5904\u7406\u540e\uff0c\u4fe1\u53f7\u7ecf\u8fc7\u4e00\u4e2a\u7535\u538b\u8ddf\u968f\u5668\u63d0\u5347\u5e26\u8f7d\u80fd\u529b\uff0c\u907f\u514d\u5e72\u6270~<\/p>\n\n\n\n

<\/p>\n\n\n\n

1.2 \u7a0b\u63a7\u653e\u5927\u5668<\/h3>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u91cc\u7684\u539f\u7406\u5176\u5b9e\u5f88\u7b80\u5355\uff0cOPA197\u4f5c\u4e3a\u540c\u76f8\u653e\u5927\u5668\u7684\u4e3b\u8fd0\u653e\uff0cCD74HC4051\u5c31\u662f\u4e00\u4e2a1\u5bf98\u7684\u6a21\u62df\u5f00\u5173\uff0c\u76f8\u5f53\u4e8e\u4f60\u9762\u524d\u67098\u6761\u8def\uff0c\u4e00\u6b21\u53ea\u80fd\u8d70\u4e00\u6761\u3002\u6211\u4eec\u770b\u4e00\u4e0b\u8fd9\u4e00\u4e32\u7535\u963b\u7f51\u7edc\uff1a<\/p>\n\n\n\n

\u8fd0\u653e\u8f93\u51fa <\/strong>—A<\/mark>— R1<\/strong> —B<\/mark>— R2<\/strong> —C<\/mark>— R3<\/strong> —D<\/mark>— R4<\/strong> —E<\/mark>— R5 <\/strong>—F<\/mark>— R6 <\/strong>—G<\/mark> — R7<\/strong> —H<\/mark>— R8<\/strong> — GND<\/strong><\/p>\n\n\n\n

CD74HC4051\u4f1a\u5c06\u8fd0\u653e\u7684\u53cd\u5411\u7aef\u8fde\u63a5\u5230A~H\u8fd98\u4e2a\u8282\u70b9\u4e2d\u7684\u4e00\u4e2a\uff0c\u6b64\u65f6\u8282\u70b9\u5de6\u7aef\u7684\u7535\u963b\u4e4b\u548c\u5c31\u662fR2\uff0c\u53f3\u7aef\u7535\u963b\u4e4b\u548c\u5c31\u662fR1\uff0c\u90a3\u4e48\u6839\u636e\u516c\u5f0f\uff0c\u653e\u5927\u589e\u76ca\u5c31\u662f\uff1a<\/p>\n\n\n\n

\u589e\u76ca<\/mtext>=<\/mo>R<\/mi>2<\/mn><\/msub>R<\/mi>1<\/mn><\/msub><\/mfrac>+<\/mo>1<\/mn><\/mrow>\\text{\u589e\u76ca} = \\frac{R_2}{R_1} + 1<\/annotation><\/semantics><\/math><\/div>\n\n\n\n

\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u5982CD74HC4051\u5c06 E \u70b9\u8fde\u63a5\u5230\u4e86\u8fd0\u653e\u53cd\u5411\u7aef\uff0c\u90a3\u4e48\uff1a<\/p>\n\n\n\n

\u589e\u76ca<\/mtext>=<\/mo>3.24<\/mn><\/mspace>K<\/mtext>+<\/mo>1.62<\/mn><\/mspace>K<\/mtext>+<\/mo>806<\/mn>+<\/mo>402<\/mn><\/mrow>200<\/mn>+<\/mo>100<\/mn>+<\/mo>49.9<\/mn>+<\/mo>49.9<\/mn><\/mrow><\/mfrac>+<\/mo>1<\/mn>=<\/mo>16.18<\/mn> <\/mtext>\u500d<\/mtext><\/mrow>\\text{\u589e\u76ca} = \\frac{3.24\\,\\text{K} + 1.62\\,\\text{K} + 806 + 402}{200 + 100 + 49.9 + 49.9} + 1 = 16.18 \\ \\text{\u500d}<\/annotation><\/semantics><\/math><\/div>\n\n\n\n

\u4e5f\u5c31\u662f16\u500d\u653e\u5927~<\/p>\n\n\n\n

<\/p>\n\n\n\n

1.3 \u52a0\u6cd5\u5668<\/h3>\n\n\n\n

\u8fd9\u91cc\u6ca1\u4ec0\u4e48\u597d\u8bb2\u7684\uff0c\u4f5c\u7528\u5c31\u662f\u5c06\u653e\u5927\u540e\u7684\u4fe1\u53f7\uff08\u6709\u6b63\u6709\u8d1f\uff09\u62ac\u53471.65V\u9001\u5f80ADC\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5904\u7406\u8d1f\u7535\u5e73\u4fe1\u53f7\u4e86~<\/p>\n\n\n\n

2\u3001\u89e6\u53d1\u5668<\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u89e6\u53d1\u5668\u7684\u5168\u79f0\u53eb\u65bd\u5bc6\u7279\u89e6\u53d1\u5668<\/strong>\uff0c\u8fd9\u662f\u4e00\u79cd\u5177\u6709\u8fdf\u6ede<\/strong>\u7684\u6bd4\u8f83\u5668<\/strong>\u7535\u8def\uff0c\u901a\u8fc7\u5411\u6bd4\u8f83\u5668\u6216\u5dee\u5206\u653e\u5927\u5668\u7684\u540c\u76f8\u8f93\u5165\u7aef\u65bd\u52a0\u6b63\u53cd\u9988\u6765\u5b9e\u73b0\u3002\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u4f7f\u7528\u4e24\u4e2a\u8f93\u5165\u4e0d\u540c\u7684\u9608\u503c\u7535\u538b\u7535\u5e73\u6765\u907f\u514d\u8f93\u5165\u4fe1\u53f7\u4e2d\u7684\u566a\u58f0\uff0c\u8fd9\u79cd\u53cc\u9608\u503c\u7684\u4f5c\u7528\u79f0\u4e3a\u6ede\u540e<\/strong>\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\uff0c\u524d\u7ea7\u7535\u8def\u6700\u7ec8\u8f93\u51fa\u7684\u4fe1\u53f7\u5148\u7ecf\u8fc7U35\u8fd9\u4e2a\u7535\u538b\u8ddf\u968f\u5668\uff0c\u76ee\u7684\u662f\u907f\u514d\u89e6\u53d1\u5668\u89e6\u53d1\u65f6\u9020\u6210\u4e86\u6ce2\u5f62\u9636\u68af\u3002MCP4725\u7684\u4f5c\u7528\u5c31\u662f\u8c03\u8282\u89e6\u53d1\u7535\u538b\u3002<\/p>\n\n\n\n

\u5f53\u6ce2\u5f62\u7535\u538b\u8fbe\u5230\u4e0b\u9608\u503c\u7535\u538b\u65f6\uff0cU34\u8f93\u51fa\u53d1\u51fa\u4e00\u4e2a\u4e0a\u5347\u8fb9\u538b\uff0cSTM32\u68c0\u6d4b\u540e\u5373\u53ef\u505a\u51fa\u54cd\u5e94~<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u4e8c\u3001\u8f6f\u4ef6\u90e8\u5206<\/h1>\n\n\n\n

\u8fd9\u90e8\u5206\u7531\u8c46\u5305\u4ee3\u4e3a\u603b\u7ed3~<\/p>\n\n\n\n

\u672c\u89e3\u6790\u5b8c\u5168\u805a\u7126\u4e8e\u6570\u636e\u91c7\u96c6\u3001\u6570\u636e\u5904\u7406\u3001\u6ce2\u5f62\u663e\u793a<\/strong>\u4e09\u5927\u6838\u5fc3\u94fe\u8def\uff0c\u57fa\u4e8e\u63d0\u4f9b\u7684\u6e90\u7801\u8fdb\u884c\u5e95\u5c42\u673a\u7406\u7ea7\u522b\u7684\u8be6\u7ec6\u62c6\u89e3\uff0c\u4e0d\u6d89\u53ca\u4efb\u4f55UI\u4ea4\u4e92\u903b\u8f91\u3002<\/p>\n\n\n\n

\n\n\n\n

\u4e00\u3001\u6570\u636e\u91c7\u96c6\u94fe\u8def\uff1a\u786c\u4ef6\u65f6\u5e8f\u4e0e\u73af\u5f62\u7f13\u51b2<\/h2>\n\n\n\n

\u6570\u636e\u91c7\u96c6\u662f\u793a\u6ce2\u5668\u7684\u201c\u4fe1\u53f7\u5165\u53e3\u201d\uff0c\u6838\u5fc3\u76ee\u6807\u662f\u65e0\u4e22\u5931\u3001\u9ad8\u7cbe\u5ea6\u3001\u65f6\u5e8f\u53ef\u63a7<\/strong>\u5730\u5c06\u5916\u90e8\u6a21\u62df\u7535\u538b\u8f6c\u6362\u4e3a\u6570\u5b57\u6837\u672c\u6d41\u3002\u672c\u8bbe\u8ba1\u91c7\u7528\u201cADC+\u5b9a\u65f6\u5668\u89e6\u53d1+DMA\u73af\u5f62\u7f13\u51b2<\/strong>\u201d\u7684\u7ecf\u5178\u67b6\u6784\u3002<\/p>\n\n\n\n

1.1 \u786c\u4ef6\u91c7\u96c6\u67b6\u6784\u521d\u59cb\u5316<\/h3>\n\n\n\n

ADC\u914d\u7f6e\uff088\u4f4d\u5206\u8fa8\u7387\u3001TIM8\u89e6\u53d1\uff09<\/h4>\n\n\n\n
\/\/ \u6458\u81ea DSO_ADC_Init()\nhadc1.Init.Resolution = ADC_RESOLUTION_8B;          \/\/ 8\u4f4d\u5206\u8fa8\u7387\uff080-255\uff09\nhadc1.Init.ContinuousConvMode = DISABLE;            \/\/ \u975e\u8fde\u7eed\u8f6c\u6362\uff08\u7531TIM8\u89e6\u53d1\uff09\nhadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;\nhadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T8_TRGO; \/\/ TIM8 TRGO\u89e6\u53d1\nhadc1.Init.DMAContinuousRequests = ENABLE;          \/\/ \u5f00\u542fDMA\u8fde\u7eed\u8bf7\u6c42<\/code><\/pre>\n\n\n\n
\u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
    \n
  • 8\u4f4d\u5206\u8fa8\u7387\u9009\u62e9<\/strong>\uff1a\u4e0d\u540c\u4e8e\u4e07\u7528\u8868\u8ffd\u6c42\u9ad8\u7cbe\u5ea6\uff0c\u793a\u6ce2\u5668\u8ffd\u6c42\u9ad8\u91c7\u6837\u7387<\/strong>\u30028\u4f4d\u5206\u8fa8\u7387\uff080-255\uff09\u5c06\u5355\u6837\u672c\u6570\u636e\u91cf\u538b\u7f29\u81f31\u5b57\u8282\uff0c\u5728\u76f8\u540cDMA\u5e26\u5bbd\u4e0b\u53ef\u5b9e\u73b0\u66f4\u9ad8\u7684\u91c7\u6837\u541e\u5410\uff0c\u4e14256\u7ea7\u7070\u5ea6\u5bf9\u4e8e\u6ce2\u5f62\u663e\u793a\u5df2\u8db3\u591f\u3002<\/li>\n\n\n\n
  • TIM8\u89e6\u53d1\u6e90<\/strong>\uff1aADC\u4e0d\u81ea\u7531\u8fd0\u884c\uff0c\u800c\u662f\u7531TIM8\u7684TRGO\uff08\u89e6\u53d1\u8f93\u51fa\uff09\u4fe1\u53f7\u4e25\u683c\u5b9a\u65f6\u89e6\u53d1\u3002\u8fd9\u4fdd\u8bc1\u4e86\u91c7\u6837\u95f4\u9694\u7684\u7cbe\u786e\u6027<\/strong>\uff08\u65e0\u65f6\u949f\u6296\u52a8\uff09\uff0c\u662f\u540e\u7eed\u65f6\u57df\u6d4b\u91cf\uff08\u9891\u7387\u3001\u5468\u671f\uff09\u7684\u57fa\u7840\u3002<\/li>\n\n\n\n
  • DMA\u8fde\u7eed\u8bf7\u6c42<\/strong>\uff1aADC\u8f6c\u6362\u5b8c\u6210\u540e\u81ea\u52a8\u5411DMA\u53d1\u8bf7\u6c42\uff0c\u65e0\u9700CPU\u5e72\u9884\uff0c\u5b9e\u73b0\u201c\u91c7\u6837\u5373\u4f20\u8f93\u201d\u3002<\/li>\n<\/ul>\n\n\n\n
    DMA\u914d\u7f6e\uff08\u73af\u5f62\u6a21\u5f0f\u3001\u5b57\u8282\u5bf9\u9f50\uff09<\/h4>\n\n\n\n
    hdma_adc1.Instance = DMA2_Stream4;\nhdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;    \/\/ \u5916\u8bbe(ADC)\u5230\u5185\u5b58\nhdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;        \/\/ \u5916\u8bbe\u5730\u5740\u56fa\u5b9a(ADC\u6570\u636e\u5bc4\u5b58\u5668)\nhdma_adc1.Init.MemInc = DMA_MINC_ENABLE;             \/\/ \u5185\u5b58\u5730\u5740\u9012\u589e\nhdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;\nhdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;\nhdma_adc1.Init.Mode = DMA_CIRCULAR;                   \/\/ \u73af\u5f62\u6a21\u5f0f<\/code><\/pre>\n\n\n\n
    \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
      \n
    • \u73af\u5f62\u6a21\u5f0f\uff08CIRCULAR\uff09<\/strong>\uff1a\u8fd9\u662f\u8fde\u7eed\u91c7\u96c6\u7684\u5173\u952e\u3002DMA\u5c06\u5185\u5b58\u7f13\u51b2\u533a\u89c6\u4e3a\u4e00\u4e2a\u73af\uff0c\u5199\u6307\u9488\u5230\u8fbe\u7f13\u51b2\u533a\u672b\u5c3e\u540e\u81ea\u52a8\u7ed5\u56de\u5f00\u5934\u3002\u914d\u5408\u4e0b\u6587\u7684\u201c\u89e6\u53d1\u540e\u622a\u53d6\u201d\u673a\u5236\uff0c\u5b8c\u7f8e\u89e3\u51b3\u4e86\u201c\u89e6\u53d1\u524d\u6570\u636e\u4fdd\u5b58<\/strong>\u201d\u7684\u96be\u9898\uff08\u793a\u6ce2\u5668\u9700\u8981\u770b\u5230\u89e6\u53d1\u70b9\u4e4b\u524d\u7684\u6ce2\u5f62\uff09\u3002<\/li>\n\n\n\n
    • \u5b57\u8282\u5bf9\u9f50<\/strong>\uff1a\u4e0eADC 8\u4f4d\u5206\u8fa8\u7387\u914d\u5408\uff0c\u5355\u5b57\u8282\u4f20\u8f93\u6700\u5927\u5316DMA\u6548\u7387\uff0c\u907f\u514d\u603b\u7ebf\u5bbd\u5ea6\u6d6a\u8d39\u3002<\/li>\n<\/ul>\n\n\n\n
      \u5168\u5c40\u91c7\u96c6\u7f13\u51b2\u533a\u5b9a\u4e49<\/h4>\n\n\n\n
      \/\/ \u6458\u81ea DsoCoreTask.h\n#define DSO_Buffer_Size   5632\nstatic uint8_t DSO_ADC_BUFFER[DSO_Buffer_Size] = {0};<\/code><\/pre>\n\n\n\n
      \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
        \n
      • 5632\u5b57\u8282\u7684\u5bb9\u91cf\u8bbe\u8ba1<\/strong>\uff1a\u8fd9\u4e0d\u662f\u968f\u610f\u503c\u3002\u540e\u6587\u5b9a\u4e49\u4e86 PRE_TRIGGER_POINTS = 1440<\/code> \u548c POST_TRIGGER_POINTS = 1440<\/code>\uff0c\u5373\u5355\u6b21\u663e\u793a\u9700\u8981 1440(\u524d) + 1(\u89e6\u53d1) + 1440(\u540e) = 2881 \u4e2a\u70b9\u3002<\/li>\n\n\n\n
      • \u7f13\u51b2\u533a\u5927\u5c0f 5632 \u2248 2 \u00d7 2881\uff0c\u4fdd\u8bc1\u4e86\u5728\u73af\u5f62\u7f13\u51b2\u4e2d\uff0c\u5373\u4f7f\u89e6\u53d1\u70b9\u5728\u8fb9\u754c\uff0c\u4e5f\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u5bb9\u7eb3\u524d\u540e\u54041440\u4e2a\u70b9\u800c\u4e0d\u53d1\u751f\u8986\u76d6\u3002<\/li>\n<\/ul>\n\n\n\n
        1.2 \u91c7\u6837\u65f6\u5e8f\u4e0e\u89e6\u53d1\u6355\u83b7<\/h3>\n\n\n\n
        \u5b9a\u65f6\u5668\u94fe\u8def\uff08TIM8 + TIM3 + TIM11\uff09<\/h4>\n\n\n\n
        \u7cfb\u7edf\u5305\u542b\u4e09\u4e2a\u5b9a\u65f6\u5668\uff0c\u5404\u53f8\u5176\u804c\uff1a<\/p>\n\n\n\n
          \n
        1. TIM8<\/strong>\uff1aADC\u91c7\u6837\u65f6\u949f\u6e90\uff0c\u4ea7\u751f\u6052\u5b9a\u9891\u7387\u7684TRGO\u4fe1\u53f7\u89e6\u53d1ADC\u3002<\/li>\n\n\n\n
        2. TIM3<\/strong>\uff1a\u786c\u4ef6\u8fb9\u6cbf\u89e6\u53d1\u6355\u83b7\uff0c\u68c0\u6d4b\u6a21\u62df\u4fe1\u53f7\u7684\u4e0a\u5347\/\u4e0b\u964d\u6cbf\u3002<\/li>\n\n\n\n
        3. TIM11<\/strong>\uff1a\u81ea\u52a8\u89e6\u53d1\u5b9a\u65f6\u5668\uff0c\u5728\u65e0\u786c\u4ef6\u89e6\u53d1\u65f6\u4ea7\u751f\u5b9a\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ol>\n\n\n\n
          \u6838\u5fc3\u4e2d\u65ad\u56de\u8c03\uff1a\u89e6\u53d1\u65f6\u523b\u7684NDTR\u5feb\u7167<\/h4>\n\n\n\n
          \/\/ \u89e6\u53d1\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\nstatic void TriggerHandler(void) {\n    if (Is_Trig) return; \/\/ \u9632\u91cd\u5165\n    \/\/ \u5173\u95ed\u89e6\u53d1\u4e2d\u65ad\n    __HAL_TIM_DISABLE_IT(&htim3, TIM_IT_CC3);\n    HAL_TIM_Base_Stop_IT(&htim11);\n\n    Is_Trig = true;\n    \/\/ \u3010\u6838\u5fc3\u3011\u8bb0\u5f55\u89e6\u53d1\u65f6\u523bDMA\u7684\u5269\u4f59\u8ba1\u6570\u5bc4\u5b58\u5668(NDTR)\n    trigger_pos = (DSO_Buffer_Size - trigger_ndtr_at_capture) % DSO_Buffer_Size;\n    post_trigger_counting = true;\n}<\/code><\/pre>\n\n\n\n
          \u6df1\u5ea6\u673a\u7406\uff08\u8fd9\u662f\u793a\u6ce2\u5668\u91c7\u96c6\u6700\u6838\u5fc3\u7684\u673a\u7406\uff09<\/strong>\uff1a<\/p>\n\n\n\n
            \n
          • NDTR\u5bc4\u5b58\u5668\u7684\u4f5c\u7528<\/strong>\uff1aDMA\u7684 NDTR<\/code> (Number of Data Register) \u5bc4\u5b58\u5668\u8bb0\u5f55\u4e86\u5269\u4f59\u5f85\u4f20\u8f93\u7684\u6570\u636e\u91cf<\/strong>\u3002<\/li>\n\n\n\n
          • \u89e6\u53d1\u4f4d\u7f6e\u8ba1\u7b97<\/strong>\uff1a<\/li>\n\n\n\n
          • DMA\u521d\u59cb\u88c5\u8f7d\u503c\u4e3a DSO_Buffer_Size<\/code> (5632)\u3002<\/li>\n\n\n\n
          • \u968f\u7740\u91c7\u6837\u8fdb\u884c\uff0cNDTR\u4ece5632\u9012\u51cf\u3002<\/li>\n\n\n\n
          • \u5728\u89e6\u53d1\u53d1\u751f\u7684\u77ac\u95f4\uff0cCPU\u5feb\u7167\u8bfb\u53d6 trigger_ndtr_at_capture<\/code>\u3002<\/li>\n\n\n\n
          • \u901a\u8fc7\u516c\u5f0f trigger_pos = (BufferSize - NDTR) % BufferSize<\/code>\uff0c\u7cbe\u786e\u8ba1\u7b97\u51fa\u89e6\u53d1\u70b9\u5728\u73af\u5f62\u7f13\u51b2\u533a\u4e2d\u7684\u7edd\u5bf9\u7d22\u5f15\u4f4d\u7f6e<\/strong>\u3002<\/li>\n\n\n\n
          • \u8fd9\u5c31\u662f\u201c\u9884\u89e6\u53d1\u201d\uff08Pre-trigger\uff09\u7684\u786c\u4ef6\u57fa\u7840<\/strong>\uff1a\u5373\u4f7f\u89e6\u53d1\u53d1\u751f\u5728\u73b0\u5728\uff0c\u6211\u4eec\u4e5f\u80fd\u901a\u8fc7\u73af\u5f62\u7f13\u51b2\u533a\u4e2d\u4fdd\u5b58\u7684\u5386\u53f2\u6570\u636e\uff0c\u8fd8\u539f\u51fa\u89e6\u53d1\u53d1\u751f\u4e4b\u524d\u7684\u6ce2\u5f62\u3002<\/li>\n<\/ul>\n\n\n\n
            \u540e\u89e6\u53d1\u91c7\u6837\u5b8c\u6210\u5224\u65ad<\/h4>\n\n\n\n
            \/\/ ADC\u534a\u8f6c\u6362\/\u5168\u8f6c\u6362\u5b8c\u6210\u56de\u8c03\nvoid CB_ADC_HalfConvCplt(ADC_HandleTypeDef *hadc) {\n    if (!post_trigger_counting) return;\n    \/\/ \u8ba1\u7b97\u5f53\u524d\u5df2\u91c7\u96c6\u7684\u201c\u540e\u89e6\u53d1\u70b9\u6570\u201d\n    uint32_t current_ndtr = __HAL_DMA_GET_COUNTER(&hdma_adc1);\n    uint32_t post = (trigger_ndtr_at_capture - current_ndtr + DSO_Buffer_Size) % DSO_Buffer_Size;\n\n    \/\/ \u540e\u89e6\u53d1\u70b9\u6570\u8fbe\u6807\uff0c\u505c\u6b62\u91c7\u96c6\n    if (post >= POST_TRIGGER_POINTS) {\n        AdcTim_OFF();\n        Is_conv_finish = true;\n        post_trigger_counting = false;\n    }\n}<\/code><\/pre>\n\n\n\n
            \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
              \n
            • \u89e6\u53d1\u53d1\u751f\u540e\uff0c\u5e76\u4e0d\u7acb\u5373\u505c\u6b62\u91c7\u96c6\uff0c\u800c\u662f\u5f00\u542f post_trigger_counting<\/code> \u72b6\u6001\u3002<\/li>\n\n\n\n
            • \u7ee7\u7eed\u91c7\u96c6 POST_TRIGGER_POINTS<\/code> (1440) \u4e2a\u70b9\u540e\u624d\u505c\u6b62\u3002<\/li>\n\n\n\n
            • \u81f3\u6b64\uff0c\u73af\u5f62\u7f13\u51b2\u533a\u4e2d\u5305\u542b\u4e86\u5b8c\u6574\u7684\u201c\u89e6\u53d1\u524d1440\u70b9 + \u89e6\u53d1\u70b9 + \u89e6\u53d1\u540e1440\u70b9\u201d\uff0c\u4e00\u5e27\u6ce2\u5f62\u7684\u6570\u636e\u539f\u6599\u51c6\u5907\u5b8c\u6bd5\u3002<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n
              \u4e8c\u3001\u6570\u636e\u5904\u7406\u94fe\u8def\uff1a\u4eceRaw Data\u5230\u663e\u793a\u7f13\u5b58<\/h2>\n\n\n\n
              \u6570\u636e\u5904\u7406\u94fe\u8def\u662f\u793a\u6ce2\u5668\u7684\u201c\u7b97\u6cd5\u6838\u5fc3\u201d\uff0c\u627f\u63a5\u539f\u59cbADC\u6570\u636e\uff0c\u8f93\u51fa\u6700\u7ec8\u7684\u663e\u793a\u50cf\u7d20\u6570\u636e\u3002\u5305\u542b\u89e3\u4ea4\u9519\u91cd\u6392\u3001\u65f6\u57fa\u63d2\u503c\u3001\u7535\u538b\u6821\u51c6\u3001\u5cf0\u503c\u62bd\u53d6\u3001\u8f6f\u4ef6\u89e6\u53d1\u5fae\u8c03<\/strong>\u4e94\u5927\u6b65\u9aa4\u3002<\/p>\n\n\n\n
              2.1 \u7b2c\u4e00\u6b65\uff1a\u73af\u5f62\u7f13\u51b2\u533a\u6570\u636e\u91cd\u6392\uff08SortRawSamplesToBuffer\uff09<\/h3>\n\n\n\n
              \u867d\u7136\u73af\u5f62\u7f13\u51b2\u533a\u91cc\u6709\u6570\u636e\uff0c\u4f46\u5b83\u662f\u201c\u73af\u201d\u72b6\u7684\uff0c\u4e14\u89e6\u53d1\u70b9\u4f4d\u7f6e\u968f\u673a\u3002\u9700\u8981\u5c06\u5176\u201c\u62c9\u76f4\u201d\u5e76\u6392\u5e8f\u4e3a\u7ebf\u6027\u7684\u201c\u89e6\u53d1\u524d-\u89e6\u53d1\u70b9-\u89e6\u53d1\u540e\u201d\u7ed3\u6784\u3002<\/p>\n\n\n\n
              static void SortRawSamplesToBuffer(uint32_t trigger_pos) {\n    const uint32_t pre_len = PRE_TRIGGER_POINTS;  \/\/ 1440\n    const uint32_t post_len = POST_TRIGGER_POINTS;\/\/ 1440\n\n    \/\/ 1. \u590d\u5236\u89e6\u53d1\u524d\u6570\u636e\uff08Pre-trigger\uff09\n    if (trigger_pos >= pre_len) {\n        \/\/ \u60c5\u51b5A\uff1a\u89e6\u53d1\u70b9\u4f4d\u7f6e\u8db3\u591f\u9760\u540e\uff0c\u524d1440\u70b9\u662f\u8fde\u7eed\u7684\n        memcpy(raw_sorted_buf, &DSO_ADC_BUFFER[trigger_pos - pre_len], pre_len);\n    } else {\n        \/\/ \u60c5\u51b5B\uff1a\u89e6\u53d1\u70b9\u9760\u8fd1\u7f13\u51b2\u533a\u5f00\u5934\uff0c\u524d1440\u70b9\u8de8\u4e86\u73af\u5f62\u8fb9\u754c\n        \/\/ \u9700\u8981\u5206\u4e24\u6bb5\u62f7\u8d1d\uff1a[\u672b\u5c3e\u4e00\u6bb5] + [\u5f00\u5934\u4e00\u6bb5]\n        uint32_t len1 = pre_len - trigger_pos;\n        memcpy(raw_sorted_buf, &DSO_ADC_BUFFER[DSO_Buffer_Size - len1], len1);\n        memcpy(raw_sorted_buf + len1, DSO_ADC_BUFFER, trigger_pos);\n    }\n\n    \/\/ 2. \u590d\u5236\u89e6\u53d1\u70b9\u672c\u8eab\n    raw_sorted_buf[pre_len] = DSO_ADC_BUFFER[trigger_pos];\n\n    \/\/ 3. \u590d\u5236\u89e6\u53d1\u540e\u6570\u636e\uff08Post-trigger\uff09\n    uint32_t next_pos = (trigger_pos + 1) % DSO_Buffer_Size;\n    if (next_pos + post_len <= DSO_Buffer_Size) {\n        \/\/ \u8fde\u7eed\u62f7\u8d1d\n        memcpy(&raw_sorted_buf[pre_len + 1], &DSO_ADC_BUFFER[next_pos], post_len);\n    } else {\n        \/\/ \u8de8\u8fb9\u754c\u5206\u6bb5\u62f7\u8d1d\n        uint32_t len1 = DSO_Buffer_Size - next_pos;\n        memcpy(&raw_sorted_buf[pre_len + 1], &DSO_ADC_BUFFER[next_pos], len1);\n        memcpy(&raw_sorted_buf[pre_len + 1 + len1], DSO_ADC_BUFFER, post_len - len1);\n    }\n}<\/code><\/pre>\n\n\n\n
              \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                \n
              • \u8f93\u5165<\/strong>\uff1a\u73af\u5f62\u7f13\u51b2\u533a DSO_ADC_BUFFER[5632]<\/code> \u548c\u968f\u673a\u7684 trigger_pos<\/code>\u3002<\/li>\n\n\n\n
              • \u8f93\u51fa<\/strong>\uff1a\u7ebf\u6027\u7f13\u51b2\u533a raw_sorted_buf[2881]<\/code>\u3002<\/li>\n\n\n\n
              • \u7d22\u5f15\u6620\u5c04<\/strong>\uff1a<\/li>\n\n\n\n
              • raw_sorted_buf[0..1439]<\/code>\uff1a\u89e6\u53d1\u524d1440\u4e2a\u70b9\u3002<\/li>\n\n\n\n
              • raw_sorted_buf[1440]<\/code>\uff1a\u7cbe\u786e\u7684\u89e6\u53d1\u70b9\u3002<\/li>\n\n\n\n
              • raw_sorted_buf[1441..2880]<\/code>\uff1a\u89e6\u53d1\u540e1440\u4e2a\u70b9\u3002<\/li>\n\n\n\n
              • \u73af\u5f62\u8fb9\u754c\u5904\u7406<\/strong>\uff1a\u4ee3\u7801\u4e2d\u5927\u91cf\u7684 if-else<\/code> \u548c memcpy<\/code> \u5206\u6bb5\u64cd\u4f5c\uff0c\u90fd\u662f\u4e3a\u4e86\u5904\u7406\u73af\u5f62\u7f13\u51b2\u533a\u7684\u201c\u56de\u7ed5\u201d\uff08Wrap-around\uff09\u95ee\u9898\uff0c\u786e\u4fdd\u6570\u636e\u5728\u65f6\u95f4\u4e0a\u662f\u8fde\u7eed\u7684\u3002<\/li>\n<\/ul>\n\n\n\n
                2.2 \u7b2c\u4e8c\u6b65\uff1a\u65f6\u57fa\u62c9\u4f38\u4e0e\u7535\u538b\u6821\u51c6\uff08ApplyStretchToBuffer\uff09<\/h3>\n\n\n\n
                \u8fd9\u662f\u6700\u590d\u6742\u7684\u4e00\u6b65\uff0c\u5305\u542b\u65f6\u57fa\u63d2\u503c\uff08\u65f6\u57df\u7f29\u653e\uff09<\/strong>\u548c\u7535\u538b\u6821\u51c6\uff08\u5e45\u503c\u7f29\u653e\u4e0e\u504f\u7f6e\uff09<\/strong>\u3002<\/p>\n\n\n\n
                2.2.1 \u65f6\u57fa\u62c9\u4f38\uff08Catmull-Rom\u63d2\u503c\uff09<\/h4>\n\n\n\n
                \u5f53\u7528\u6237\u65cb\u8f6c\u65cb\u94ae\u5207\u6362\u5230\u201c\u9ad8\u500d\u65f6\u57fa\u201d\uff08\u59825us\/\u683c\uff09\u65f6\uff0c\u5c4f\u5e55\u4e0a\u7684\u6bcf\u4e2a\u50cf\u7d20\u5bf9\u5e94\u6781\u77ed\u7684\u65f6\u95f4\u3002\u6b64\u65f6\u539f\u59cb\u91c7\u6837\u70b9\u53ef\u80fd\u4e0d\u591f\u5bc6\u96c6\uff0c\u9700\u8981\u901a\u8fc7\u63d2\u503c\u7b97\u6cd5<\/strong>\u5728\u70b9\u4e0e\u70b9\u4e4b\u95f4\u201c\u63d2\u5165\u201d\u65b0\u7684\u70b9\uff0c\u5b9e\u73b0\u6ce2\u5f62\u7684\u5e73\u6ed1\u62c9\u4f38\u3002<\/p>\n\n\n\n
                \/\/ Catmull-Rom \u63d2\u503c\u7b97\u6cd5\nstatic uint8_t CatmullRomInterp(uint8_t p0, uint8_t p1, uint8_t p2, uint8_t p3, float t) {\n    float t2 = t * t;\n    float t3 = t2 * t;\n    \/\/ \u7ecf\u5178Catmull-Rom\u516c\u5f0f\uff1a\u4fdd\u8bc1\u7ecf\u8fc7p1\u548cp2\uff0c\u4e14\u4e00\u9636\u5bfc\u6570\u8fde\u7eed\n    float a = -0.5f * p0 + 1.5f * p1 - 1.5f * p2 + 0.5f * p3;\n    float b = p0 - 2.5f * p1 + 2.0f * p2 - 0.5f * p3;\n    float c = -0.5f * p0 + 0.5f * p2;\n    float d = p1;\n    float value = a * t3 + b * t2 + c * t + d;\n    \/\/ \u94b3\u4f4d\u52300-255\n    if (value < 0.0f) return 0;\n    if (value > 255.0f) return 255;\n    return (uint8_t)value;\n}\n\n\/\/ \u62c9\u4f38\u5904\u7406\u4e3b\u903b\u8f91\nif (stretch_factor <= 1.1f) {\n    memcpy(stretched_buf, raw_sorted_buf, SORTED_BUF_SIZE);\n} else {\n    for (int i = 0; i < SORTED_BUF_SIZE; i++) {\n        float raw_pos = i \/ stretch_factor;\n        uint8_t max_val = 0;\n        \/\/ \u3010\u6280\u5de7\u3011\u591a\u7ec4\u63d2\u503c\u53d6\u6700\u5927\u503c\uff0c\u4fdd\u7559\u5cf0\u503c\u4fe1\u606f\n        for (int k = -6; k <= 6; k++) {\n            float pos = raw_pos + k * 0.15f;\n            \/\/ ... \u8fb9\u754c\u68c0\u67e5 ...\n            int32_t idx = (int32_t)pos;\n            float t = pos - idx; \/\/ \u63d2\u503c\u7cfb\u6570 t (0~1)\n\n            \/\/ \u53d6\u76f8\u90bb\u56db\u4e2a\u70b9\u7528\u4e8e\u63d2\u503c\n            uint8_t p0 = raw_sorted_buf[(idx-1 < 0) ? 0 : idx-1];\n            uint8_t p1 = raw_sorted_buf[idx];\n            uint8_t p2 = raw_sorted_buf[(idx+1 >= SORTED_BUF_SIZE) ? SORTED_BUF_SIZE-1 : idx+1];\n            uint8_t p3 = raw_sorted_buf[(idx+2 >= SORTED_BUF_SIZE) ? SORTED_BUF_SIZE-1 : idx+2];\n\n            uint8_t interp_val = CatmullRomInterp(p0, p1, p2, p3, t);\n            if (interp_val > max_val) max_val = interp_val;\n        }\n        stretched_buf[i] = max_val;\n    }\n}<\/code><\/pre>\n\n\n\n
                \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                  \n
                • \u4e3a\u4ec0\u4e48\u9009Catmull-Rom\uff1f<\/strong>\uff1a<\/li>\n\n\n\n
                • \u76f8\u6bd4\u4e8e\u7ebf\u6027\u63d2\u503c\uff08\u6298\u7ebf\uff09\uff0c\u5b83\u80fd\u751f\u6210\u5e73\u6ed1\u7684\u66f2\u7ebf<\/strong>\u3002<\/li>\n\n\n\n
                • \u76f8\u6bd4\u4e8e\u6837\u6761\u63d2\u503c\uff0c\u5b83\u8ba1\u7b97\u91cf\u5c0f\uff0c\u4e14\u4fdd\u8bc1\u66f2\u7ebf\u4e25\u683c\u7ecf\u8fc7\u539f\u59cb\u91c7\u6837\u70b9<\/strong>\uff08p1\u548cp2\uff09\uff0c\u4e0d\u5931\u771f\u3002<\/li>\n\n\n\n
                • \u5cf0\u503c\u4fdd\u7559\u6280\u5de7\uff08Max-Val\uff09<\/strong>\uff1a<\/li>\n\n\n\n
                • \u4ee3\u7801\u6ca1\u6709\u53ea\u63d2\u503c\u4e00\u6b21\uff0c\u800c\u662f\u5728 k = -6<\/code> \u5230 6<\/code> \u7684\u8303\u56f4\u5185\u63d2\u503c\u4e8613\u6b21\uff0c\u53d6\u6700\u5927\u503c\u3002<\/li>\n\n\n\n
                • \u8fd9\u662f\u4e3a\u4e86\u9632\u6b62\u5728\u9ad8\u500d\u62c9\u4f38\u65f6\uff0c\u7531\u4e8e\u63d2\u503c\u7684\u5e73\u6ed1\u6548\u5e94\u5bfc\u81f4\u7a84\u8109\u51b2\u5cf0\u503c\u88ab\u201c\u78e8\u5e73\u201d<\/strong>\u3002\u53d6\u6700\u5927\u503c\u80fd\u4fdd\u7559\u4fe1\u53f7\u7684\u5cf0\u503c\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n
                  2.2.2 \u7535\u538b\u6821\u51c6\u4e0e\u7f29\u653e<\/h4>\n\n\n\n
                  \u63d2\u503c\u5b8c\u6210\u540e\uff0c\u8fdb\u884c\u96f6\u70b9\u504f\u7f6e\u6821\u6b63<\/strong>\u548c\u7535\u538b\u6863\u4f4d\u7f29\u653e<\/strong>\u3002<\/p>\n\n\n\n
                  \/\/ 1. \u6839\u636e\u7535\u538b\u6863\u4f4d\u83b7\u53d6\u5bf9\u5e94\u7684\u96f6\u70b9\u6821\u6b63\u91cf\nint16_t offset_calib = 0;\nswitch (V_div) {\n    case div_10mv:  offset_calib = UserParam.OSC_Original_X32; break;\n    \/\/ ... \u5176\u4ed6\u6863\u4f4d ...\n}\n\n\/\/ 2. \u5e94\u7528\u6821\u6b63\u4e0e\u7f29\u653e\nfor (int i = 0; i < SORTED_BUF_SIZE; i++) {\n    const int16_t IDEAL_ORIGIN = 128; \/\/ \u7406\u60f3\u96f6\u70b9\uff088\u4f4dADC\u4e2d\u70b9\uff09\n    float code = (float)stretched_buf[i];\n\n    \/\/ \u6b65\u9aa4A\uff1a\u96f6\u70b9\u504f\u7f6e\u6821\u6b63\n    \/\/ \u786c\u4ef6\u8bef\u5dee\u4f1a\u5bfc\u81f40V\u8f93\u5165\u65f6ADC\u8bfb\u6570\u4e0d\u662f128\uff0c\u8fd9\u91cc\u52a0\u56de\u6821\u6b63\u91cf\n    float calibrated_code = code + (float)offset_calib;\n\n    \/\/ \u6b65\u9aa4B\uff1a\u56f4\u7ed5\u7406\u60f3\u539f\u70b9\u8fdb\u884c\u7535\u538b\u7f29\u653e\n    \/\/ \u516c\u5f0f\uff1aFinal = 128 + (Calibrated - 128) * ZoomFactor\n    float final_code = (float)IDEAL_ORIGIN + \n                      (calibrated_code - (float)IDEAL_ORIGIN) * div_base[V_div].zoom_factor;\n\n    \/\/ \u6b65\u9aa4C\uff1a\u94b3\u4f4d\u56de8bit\u8303\u56f4\n    stretched_buf[i] = (uint8_t) CLAMP(final_code, 0.0f, 255.0f);\n}<\/code><\/pre>\n\n\n\n
                  \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                    \n
                  • \u96f6\u70b9\u6821\u6b63\uff08Offset Calibration\uff09<\/strong>\uff1a\u7531\u4e8e\u786c\u4ef6\u8fd0\u653e\u7684\u5931\u8c03\u7535\u538b\uff0c\u5f53\u8f93\u5165\u77ed\u8def\uff080V\uff09\u65f6\uff0cADC\u8bfb\u6570\u53ef\u80fd\u4e0d\u662f\u7406\u60f3\u7684128\uff08\u4e2d\u70b9\uff09\u3002UserParam.OSC_Original_XXX<\/code> \u5b58\u50a8\u4e86\u6821\u51c6\u503c\uff0c\u7528\u4e8e\u4fee\u6b63\u8fd9\u4e2a\u504f\u5dee\u3002<\/li>\n\n\n\n
                  • \u56f4\u7ed5\u539f\u70b9\u7f29\u653e<\/strong>\uff1a<\/li>\n\n\n\n
                  • \u5148\u5c06\u503c\u51cf\u53bb128\uff0c\u5f97\u5230\u201c\u76f8\u5bf9\u4e8e\u96f6\u70b9\u7684\u5dee\u503c\u201d\u3002<\/li>\n\n\n\n
                  • \u4e58\u4ee5 zoom_factor<\/code>\uff08\u6839\u636e\u7535\u538b\u6863\u4f4d\uff0c\u598210mV\/\u683c\u3001500mV\/\u683c\uff09\u3002<\/li>\n\n\n\n
                  • \u518d\u52a0\u56de128\u3002<\/li>\n\n\n\n
                  • \u8fd9\u79cd\u64cd\u4f5c\u4fdd\u8bc1\u4e86\u6ce2\u5f62\u662f\u4ee5\u5c4f\u5e55\u4e2d\u5fc3\u4e3a\u57fa\u51c6\u8fdb\u884c\u7f29\u653e\u7684<\/strong>\uff0c\u8c03\u6574\u7535\u538b\u6863\u4f4d\u65f6\uff0c\u6ce2\u5f62\u4e2d\u5fc3\u4e0d\u4f1a\u6f02\u79fb\u3002<\/li>\n<\/ul>\n\n\n\n
                    2.3 \u7b2c\u4e09\u6b65\uff1a\u5cf0\u503c\u62bd\u53d6\u6784\u5efa\u663e\u793a\u7f13\u5b58\uff08DSO_BuildShowBuffer\uff09<\/h3>\n\n\n\n
                    \u73b0\u5728\u6211\u4eec\u67092881\u4e2a\u5904\u7406\u597d\u7684\u6570\u636e\u70b9\uff0c\u4f46\u5c4f\u5e55\u5bbd\u5ea6\u6709\u9650\uff08\u4ee3\u7801\u4e2d\u903b\u8f91\u5bf9\u5e94\u7ea6600\u4e2a\u663e\u793a\u70b9\uff09\u3002\u9700\u8981\u5c062881\u4e2a\u70b9\u538b\u7f29<\/strong>\u5230601\u4e2a\u70b9\uff08DSO_ShowBuffer_Deep = 601<\/code>\uff09\u3002<\/p>\n\n\n\n
                    \u7b80\u5355\u7684\u201c\u62bd\u70b9\u201d\uff08\u6bcf\u9694\u51e0\u4e2a\u70b9\u53d6\u4e00\u4e2a\uff09\u4f1a\u4e22\u5931\u5cf0\u503c\u4fe1\u606f\u3002\u672c\u8bbe\u8ba1\u91c7\u7528\u5cf0\u503c\u62bd\u53d6\uff08Peak Detection\uff09<\/strong>\u7b97\u6cd5\u3002<\/p>\n\n\n\n
                    void DSO_BuildShowBuffer(void) {\n    \/\/ \u5904\u7406\u524d\u89e6\u53d1\u533a\u57df\uff080~299\uff09\uff1a1440\u70b9 -> 300\u70b9\n    for (int show_idx = 0; show_idx < 300; show_idx++) {\n        \/\/ \u8ba1\u7b97\u5f53\u524d\u663e\u793a\u70b9\u5bf9\u5e94\u7684\u539f\u59cb\u6570\u636e\u533a\u95f4 [m_start, m_end]\n        uint32_t m_start = (show_idx * PRE_TRIGGER_POINTS) \/ 300;\n        uint32_t m_end   = (((show_idx + 1) * PRE_TRIGGER_POINTS) + 299) \/ 300 - 1;\n\n        uint8_t max_val = 0;\n        \/\/ \u3010\u6838\u5fc3\u3011\u5728\u533a\u95f4\u5185\u5bfb\u627e\u6700\u5927\u503c\uff08\u5cf0\u503c\u62bd\u53d6\uff09\n        for (uint32_t m = m_start; m <= m_end; m++) {\n            uint8_t val = stretched_buf[m];\n            if (val > max_val) max_val = val;\n        }\n        DSO_SAMPLE_SHOW_BUFFER[show_idx] = max_val;\n    }\n\n    \/\/ \u5904\u7406\u89e6\u53d1\u70b9\uff08300\uff09\n    DSO_SAMPLE_SHOW_BUFFER[300] = stretched_buf[PRE_TRIGGER_POINTS];\n\n    \/\/ \u5904\u7406\u540e\u89e6\u53d1\u533a\u57df\uff08301~600\uff09\uff1a1440\u70b9 -> 300\u70b9\n    \/\/ ... \u903b\u8f91\u540c\u4e0a\uff0c\u5cf0\u503c\u62bd\u53d6 ...\n}<\/code><\/pre>\n\n\n\n
                    \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                      \n
                    • \u5cf0\u503c\u62bd\u53d6 vs \u7b80\u5355\u62bd\u70b9<\/strong>\uff1a<\/li>\n\n\n\n
                    • \u5982\u679c\u7b80\u5355\u62bd\u70b9\uff0c\u53ef\u80fd\u521a\u597d\u6f0f\u6389\u7a84\u8109\u51b2\u7684\u5cf0\u503c\uff0c\u5bfc\u81f4\u6ce2\u5f62\u770b\u8d77\u6765\u5e45\u5ea6\u53d8\u5c0f\u3002<\/li>\n\n\n\n
                    • \u5cf0\u503c\u62bd\u53d6<\/strong>\uff1a\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u5c4f\u5e55\u50cf\u7d20\u70b9\uff0c\u56de\u770b\u5bf9\u5e94\u7684\u4e00\u5c0f\u6bb5\u539f\u59cb\u6570\u636e\uff0c\u53d6\u8fd9\u6bb5\u6570\u636e\u91cc\u7684\u6700\u5927\u503c<\/strong>\uff08\u6216\u6700\u5c0f\u503c\uff0c\u6216\u5cf0\u5cf0\u503c\u8fde\u7ebf\uff0c\u672c\u4ee3\u7801\u53d6Max\uff09\u3002<\/li>\n\n\n\n
                    • \u8fd9\u4fdd\u8bc1\u4e86\u5373\u4f7f\u5728\u5f88\u4f4e\u7684\u65f6\u57fa\u6863\u4f4d\uff08\u538b\u7f29\u5f88\u5389\u5bb3\uff09\uff0c\u4fe1\u53f7\u7684\u5cf0\u503c\u7ec6\u8282\u4e5f\u4e0d\u4f1a\u4e22\u5931<\/strong>\uff0c\u8fd9\u662f\u4e13\u4e1a\u793a\u6ce2\u5668\u7684\u6807\u914d\u7b97\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n
                      2.4 \u7b2c\u56db\u6b65\uff1a\u8f6f\u4ef6\u89e6\u53d1\u5fae\u8c03\uff08Software_Trigger_FineTune\uff09<\/h3>\n\n\n\n
                      \u867d\u7136\u786c\u4ef6\u89e6\u53d1\u5df2\u7ecf\u5f88\u51c6\uff0c\u4f46\u7531\u4e8eDMA\u5ef6\u8fdf\u3001\u4e2d\u65ad\u5ef6\u8fdf\u7b49\uff0c\u89e6\u53d1\u70b9\u5728\u5c4f\u5e55\u4e0a\u53ef\u80fd\u4e0d\u662f\u5b8c\u7f8e\u5c45\u4e2d\u3002\u4ee3\u7801\u8fdb\u884c\u4e86\u4e00\u6b21\u8f6f\u4ef6\u5c42\u9762\u7684\u4e8c\u6b21\u641c\u7d22\u3002<\/p>\n\n\n\n
                      static int16_t Software_Trigger_FineTune(const uint8_t* buffer, EdgeType_e edge_type) {\n    const int16_t center = 300; \/\/ \u5c4f\u5e55\u4e2d\u5fc3\u7406\u60f3\u4f4d\u7f6e\n    const int16_t search_range = 125;\n    uint8_t threshold_value = 127 + trigger_offset;\n\n    int16_t best_offset = 0;\n    int32_t best_score = -1;\n\n    \/\/ \u5728\u4e2d\u5fc3\u9644\u8fd1\u641c\u7d22\u6700\u4f73\u89e6\u53d1\u70b9\n    for (int16_t i = center - search_range; i <= center + search_range; i++) {\n        \/\/ \u8ba1\u7b97\u8fb9\u6cbf\u53d8\u5316\u7387\n        uint8_t pos1 = buffer[i-1];\n        uint8_t pos2 = buffer[i+1];\n        int16_t diff = (int16_t)pos2 - (int16_t)pos1;\n\n        \/\/ \u5224\u65ad\u662f\u5426\u4e3a\u6709\u6548\u8fb9\u6cbf\uff08\u659c\u7387\u591f\u5927 + \u7535\u538b\u63a5\u8fd1\u9608\u503c\uff09\n        bool is_valid_edge = (diff > edge_threshold) && \n                             (abs((int16_t)buffer[i] - threshold_value) <= voltage_window);\n\n        \/\/ \u8bc4\u5206\u673a\u5236\uff1a\u8d8a\u9760\u8fd1\u4e2d\u5fc3\u5206\u8d8a\u9ad8\n        if (is_valid_edge) {\n            int16_t offset = i - center;\n            int32_t score = 10000 - abs(offset) * 100;\n            if (score > best_score) {\n                best_score = score;\n                best_offset = offset;\n            }\n        }\n    }\n    return best_offset;\n}<\/code><\/pre>\n\n\n\n
                      \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                        \n
                      • \u8fd9\u662f\u4e00\u4e2a\u57fa\u4e8e\u8bc4\u5206\u7684\u641c\u7d22\u7b97\u6cd5<\/strong>\u3002<\/li>\n\n\n\n
                      • \u5b83\u5728\u663e\u793a\u7f13\u51b2\u533a\u7684\u4e2d\u5fc3\u9644\u8fd1\uff08\u00b1125\u70b9\uff09\u518d\u6b21\u641c\u7d22\u6ee1\u8db3\u6761\u4ef6\u7684\u8fb9\u6cbf\u3002<\/li>\n\n\n\n
                      • \u8bc4\u5206\u6807\u51c6\uff1a<\/li>\n<\/ul>\n\n\n\n
                          \n
                        1. \u5fc5\u987b\u662f\u4e0a\u5347\/\u4e0b\u964d\u6cbf\uff08diff<\/code>\u8db3\u591f\u5927\uff09\u3002<\/li>\n\n\n\n
                        2. \u7535\u538b\u5fc5\u987b\u63a5\u8fd1\u8bbe\u5b9a\u7684\u89e6\u53d1\u7535\u5e73\u3002<\/li>\n\n\n\n
                        3. \u4f4d\u7f6e\u8d8a\u9760\u8fd1\u5c4f\u5e55\u4e2d\u5fc3\uff08300\uff09\uff0c\u5f97\u5206\u8d8a\u9ad8<\/strong>\u3002<\/li>\n<\/ol>\n\n\n\n
                            \n
                          • \u8fd4\u56de best_offset<\/code>\uff0c\u5728\u6700\u7ec8\u7ed8\u5236\u65f6\u7528\u4e8e\u6c34\u5e73\u504f\u79fb\uff0c\u786e\u4fdd\u6ce2\u5f62\u5b8c\u7f8e\u5730\u201c\u9489\u201d\u5728\u5c4f\u5e55\u4e2d\u5fc3\u3002<\/li>\n<\/ul>\n\n\n\n
                            \n\n\n\n
                            \u4e09\u3001\u6ce2\u5f62\u663e\u793a\u94fe\u8def\uff1a\u4ece\u6570\u636e\u5230\u50cf\u7d20<\/h2>\n\n\n\n
                            \u663e\u793a\u94fe\u8def\u7684\u6838\u5fc3\u6311\u6218\u662f\u907f\u514d\u5c4f\u95ea<\/strong>\u548c\u9ad8\u6548\u7ed8\u5236<\/strong>\u3002\u672c\u8bbe\u8ba1\u91c7\u7528\u5c4f\u5e55\u5206\u5757\u5237\u65b0<\/strong>\u548c\u7f51\u683c\/\u6ce2\u5f62\u6df7\u5408\u7f13\u51b2<\/strong>\u6280\u672f\u3002<\/p>\n\n\n\n
                            3.1 \u663e\u793a\u9884\u5907\uff1a\u67e5\u627e\u8868\u4e0e\u7f51\u683c\u6570\u636e<\/h3>\n\n\n\n
                            Y\u5750\u6807\u67e5\u627e\u8868\uff08y_lookup\uff09<\/h4>\n\n\n\n
                            \/\/ \u6458\u81ea DsoSources.c\n\/\/ \u5c068\u4f4dADC\u503c(0-255)\u6620\u5c04\u5230\u5c4f\u5e55\u9ad8\u5ea6(0-200)\nconst uint8_t y_lookup[256] = {\n    200, 200, 199, 198, ... , 1, 0\n};<\/code><\/pre>\n\n\n\n
                            \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                              \n
                            • \u8fd9\u662f\u4e00\u4e2a\u786c\u7f16\u7801\u7684\u67e5\u627e\u8868\uff08LUT\uff09<\/strong>\u3002<\/li>\n\n\n\n
                            • \u76ee\u7684\u662f\u5c06ADC\u503c\uff080-255\uff09\u975e\u7ebf\u6027\u5730\u6620\u5c04\u5230\u5c4f\u5e55\u7684Y\u5750\u6807\uff080-200\uff09\u3002<\/li>\n\n\n\n
                            • \u4f7f\u7528LUT\u907f\u514d\u4e86\u5728\u7ed8\u5236\u65f6\u8fdb\u884c\u8017\u65f6\u7684\u6d6e\u70b9\u9664\u6cd5\u8fd0\u7b97 (Y = 200 - (Val * 200 \/ 255)<\/code>)\uff0c\u76f4\u63a5\u67e5\u8868\uff0c\u6781\u5feb\u3002<\/li>\n<\/ul>\n\n\n\n
                              \u7f51\u683c\u4f4d\u56fe\u6570\u636e\uff08grid_data\uff09<\/h4>\n\n\n\n
                              \/\/ 201\u884c \u00d7 38\u5217\u7684\u4f4d\u56fe\n\/\/ \u6bcf\u4e00\u5b57\u8282\u5b58\u50a88\u4e2a\u6c34\u5e73\u50cf\u7d20\u70b9(bit7\u662f\u5de6\uff0cbit0\u662f\u53f3)\nconst uint8_t grid_data[201][38] = {\n    {0xff, 0xff, ... , 0xf8}, \/\/ \u7b2c0\u884c\uff08\u9876\u90e8\u8fb9\u6846\uff09\n    {0x80, 0x00, ... , 0x08}, \/\/ \u7b2c1\u884c\n    \/\/ ...\n};<\/code><\/pre>\n\n\n\n
                              \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                                \n
                              • \u8fd9\u4e0d\u662f\u4ee3\u7801\u751f\u6210\u7684\uff0c\u662f\u9884\u7f16\u8bd1\u7684\u4f4d\u56fe\u5e38\u91cf<\/strong>\u3002<\/li>\n\n\n\n
                              • \u5b83\u4ee5\u6781\u9ad8\u7684\u6548\u7387\u5b58\u50a8\u4e86\u793a\u6ce2\u5668\u7684\u80cc\u666f\u7f51\u683c\uff08\u5750\u6807\u7ebf\uff09\u3002<\/li>\n\n\n\n
                              • \u5185\u5b58\u5e03\u5c40\uff1agrid_data[\u884c][\u5217\u5b57\u8282]<\/code>\u3002\u4f8b\u5982 grid_data[100][0]<\/code> \u7684\u7b2c7\u4e2abit\u4e3a1\uff0c\u4ee3\u8868\u7b2c100\u884c\u3001\u7b2c0\u5217\u7684\u50cf\u7d20\u662f\u7f51\u683c\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n
                                3.2 \u6838\u5fc3\u7ed8\u5236\uff1a\u65e0\u95ea\u70c1\u5206\u5757\u6e32\u67d3\uff08Refresh_DSO_Waveform\uff09<\/h3>\n\n\n\n
                                \u76f4\u63a5\u201c\u5148\u6e05\u5c4f\u3001\u518d\u753b\u7f51\u683c\u3001\u6700\u540e\u753b\u6ce2\u5f62\u201d\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u5c4f\u95ea\u3002\u672c\u4ee3\u7801\u7684\u7ed8\u5236\u903b\u8f91\u6781\u4e3a\u7cbe\u5de7\uff0c\u4f7f\u7528\u4e86\u884c\u7f13\u51b2\uff08Line Buffer\uff09<\/strong>\u548c\u5206\u5757\u8f93\u51fa\uff08Blit\uff09<\/strong>\u3002<\/p>\n\n\n\n
                                \u7ed8\u5236\u6d41\u7a0b\u6982\u89c8<\/h4>\n\n\n\n
                                \u5c4f\u5e55\u5bbd\u5ea6\u662f301\u50cf\u7d20\uff0c\u4ee3\u7801\u5c06\u5176\u5206\u4e3a 37\u4e2a\u5757\uff08Block\uff09<\/strong>\uff1a<\/p>\n\n\n\n
                                  \n
                                • \u524d36\u4e2a\u5757\uff1a\u6bcf\u57578\u50cf\u7d20\u5bbd\u3002<\/li>\n\n\n\n
                                • \u6700\u540e1\u4e2a\u5757\uff1a5\u50cf\u7d20\u5bbd\u3002<\/li>\n<\/ul>\n\n\n\n
                                  \u5355\u5757\u7ed8\u5236\u903b\u8f91\uff08\u6838\u5fc3\uff09<\/h4>\n\n\n\n
                                  \/\/ \u4ee5\u4e00\u4e2a\u5757\uff088x201\u50cf\u7d20\uff09\u4e3a\u4f8b\nuint16_t grid_buffer[1608]; \/\/ \u5c40\u90e8\u884c\u7f13\u51b2\n\n\/\/ \u6b65\u9aa41\uff1a\u586b\u5145\u7f51\u683c\u80cc\u666f\u5230\u7f13\u51b2\u533a\nfor (uint16_t row = 0; row < 201; row++) {\n    uint8_t byte = grid_data[row][col_block];\n    \/\/ \u89e3\u6790\u5b57\u8282\u4e2d\u76848\u4e2abit\uff0c\u51b3\u5b9a\u50cf\u7d20\u662f\u7f51\u683c\u8272\u8fd8\u662f\u80cc\u666f\u8272\n    *dst++ = (byte & 0x80) ? GRID_COLOR : BG_COLOR;\n    *dst++ = (byte & 0x40) ? GRID_COLOR : BG_COLOR;\n    \/\/ ... \u89e3\u6790\u5269\u4f596\u4e2abit ...\n}\n\n\/\/ \u6b65\u9aa42\uff1a\u5728\u7f51\u683c\u7f13\u51b2\u533a\u4e0a\u201c\u53e0\u52a0\u201d\u7ed8\u5236\u6ce2\u5f62\u7ebf\u6bb5\n\/\/ \u8ba1\u7b97\u5f53\u524d\u57578\u4e2a\u50cf\u7d20\u5bf9\u5e94\u7684Y\u5750\u6807\nint16_t y_cols[8] = {0};\n\/\/ ... \u67e5\u8868\u586b\u5145 y_cols ...\n\n\/\/ \u7ed8\u5236\u6ce2\u5f62\u7ebf\uff08Bresenham\u7b97\u6cd5\u601d\u60f3\uff0c\u76f4\u63a5\u5199\u7f13\u51b2\u533a\uff09\nfor (uint8_t i = 0; i < 7; i++) {\n    int16_t min_y = min(y_cols[i], y_cols[i+1]);\n    int16_t max_y = max(y_cols[i], y_cols[i+1]);\n    \/\/ \u5782\u76f4\u586b\u5145\u4e24\u70b9\u4e4b\u95f4\u7684\u6240\u6709\u50cf\u7d20\n    for (int16_t y = min_y; y <= max_y; y++) \n        grid_buffer[y * 8 + (i+1)] = WAVE_COLOR;\n}\n\n\/\/ \u6b65\u9aa43\uff1a\u5c06\u8fd9\u4e00\u6574\u5757\u6570\u636e\u4e00\u6b21\u6027\u63a8\u9001\u5230LCD\u786c\u4ef6\nlcd_draw_data(9 + col_block * 8, 19, ... , grid_buffer, 1608);<\/code><\/pre>\n\n\n\n
                                  \u6df1\u5ea6\u673a\u7406\uff08\u65e0\u95ea\u70c1\u7684\u5173\u952e\uff09<\/strong>\uff1a<\/p>\n\n\n\n
                                    \n
                                  1. \u79bb\u5c4f\u7f13\u51b2\uff08Off-screen Buffer\uff09<\/strong>\uff1a\n
                                      \n
                                    • \u6240\u6709\u7ed8\u5236\uff08\u7f51\u683c+\u6ce2\u5f62\uff09\u90fd\u5728\u5185\u5b58\u6570\u7ec4 grid_buffer<\/code> \u4e2d\u5b8c\u6210\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u753b\u5728\u5c4f\u5e55\u4e0a\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                                    • \u539f\u5b50\u6027\u5757\u4f20\u8f93\uff08Atomic Blit\uff09<\/strong>\uff1a\n
                                        \n
                                      • \u5f53\u5185\u5b58\u4e2d\u7684\u5757\u51c6\u5907\u597d\u540e\uff0c\u8c03\u7528 lcd_draw_data<\/code> \u4e00\u6b21\u6027\u5c06\u8fd9 8×201 \u50cf\u7d20\u7684\u5757\u63a8\u9001\u5230LCD\u7684GRAM\uff08\u56fe\u5f62\u663e\u5b58\uff09\u3002<\/li>\n\n\n\n
                                      • \u5bf9\u4e8eLCD\u63a7\u5236\u5668\u6765\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u5355\u4e00\u7684\u5199\u5185\u5b58\u64cd\u4f5c\uff0c\u975e\u5e38\u5feb\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                                      • \u89c6\u89c9\u6548\u679c<\/strong>\uff1a\n
                                          \n
                                        • \u4eba\u773c\u770b\u4e0d\u5230\u201c\u6e05\u5c4f-\u91cd\u7ed8\u201d\u7684\u8fc7\u7a0b\uff0c\u53ea\u770b\u5230\u4e00\u5757\u5757\u7a33\u5b9a\u7684\u66f4\u65b0\uff0c\u5b8c\u5168\u6d88\u9664\u4e86\u5c4f\u95ea\uff08Tearing\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
                                          3.3 \u6ce2\u5f62\u53c2\u6570\u8ba1\u7b97\uff08Calculate_WaveParas\uff09<\/h3>\n\n\n\n
                                          \u5728\u663e\u793a\u6ce2\u5f62\u7684\u540c\u65f6\uff0c\u5e95\u5c42\u8fd8\u5728\u8ba1\u7b97\u6ce2\u5f62\u7684\u9891\u7387\u3001\u5360\u7a7a\u6bd4\u3001\u5cf0\u5cf0\u503c<\/strong>\u3002<\/p>\n\n\n\n
                                          static void Calculate_WaveParas(void) {\n    \/\/ 1. \u7edf\u8ba1\u6700\u5927\u6700\u5c0f\u503c\uff08\u7528\u4e8e\u5cf0\u5cf0\u503c\uff09\n    uint8_t current_max = DSO_SAMPLE_SHOW_BUFFER[0];\n    uint8_t current_min = DSO_SAMPLE_SHOW_BUFFER[0];\n    uint16_t high_cnt = 0;\n\n    for (uint16_t i = 0; i < 601; i++) {\n        uint8_t val = DSO_SAMPLE_SHOW_BUFFER[i];\n        if (val > current_max) current_max = val;\n        if (val < current_min) current_min = val;\n        \/\/ \u7edf\u8ba1\u9ad8\u7535\u5e73\u65f6\u95f4\uff08\u7528\u4e8e\u5360\u7a7a\u6bd4\uff09\n        if (val >= 127 + trigger_offset) high_cnt++;\n    }\n\n    \/\/ 2. \u8ba1\u7b97\u53c2\u6570\n    \/\/ \u9891\u7387\uff1a\u8c03\u7528\u5916\u90e8FFT\u5e93\u51fd\u6570\u5206\u6790\u539f\u59cb\u91c7\u6837\u6570\u636e\n    Wave_Freq = Get_Main_AC_Freq(raw_sorted_buf, ...) \/ 1000; \n    \/\/ \u5360\u7a7a\u6bd4\uff1a\u7b80\u5355\u7684\u9ad8\u7535\u5e73\u70b9\u6570\/\u603b\u70b9\u6570\n    Wave_Duty = (float)high_cnt \/ 601.0f * 100.0f;\n    \/\/ \u5cf0\u5cf0\u503c\uff1a(Max-Min)\/256 * \u6bcf\u683c\u7535\u538b * 8\u683c\n    Wave_Vpp  = (float)(current_max - current_min) \/ 256 * (div_base[V_div].div_value * 8);\n}<\/code><\/pre>\n\n\n\n
                                          \u6df1\u5ea6\u673a\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                                            \n
                                          • \u9891\u7387\u6d4b\u91cf<\/strong>\uff1a\u4f7f\u7528\u4e86FFT\uff08\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff09\u3002\u8fd9\u662f\u9891\u57df\u6d4b\u91cf\u6cd5\uff0c\u76f8\u6bd4\u4e8e\u65f6\u57df\u7684\u201c\u8fc7\u96f6\u70b9\u8ba1\u6570\u201d\uff0cFFT\u6297\u566a\u58f0\u80fd\u529b\u66f4\u5f3a\uff0c\u5c24\u5176\u9002\u5408\u6d4b\u91cf\u975e\u6b63\u5f26\u6ce2\u7684\u57fa\u6ce2\u9891\u7387\u3002<\/li>\n\n\n\n
                                          • \u5360\u7a7a\u6bd4\u6d4b\u91cf<\/strong>\uff1a\u57fa\u4e8e\u663e\u793a\u7f13\u51b2\u533a\u7684\u7b80\u5355\u7edf\u8ba1\uff0c\u7edf\u8ba1\u7535\u538b\u9ad8\u4e8e\u9608\u503c\u7684\u70b9\u5360\u603b\u70b9\u6570\u7684\u6bd4\u4f8b\u3002<\/li>\n\n\n\n
                                          • \u5cf0\u5cf0\u503c\u6d4b\u91cf<\/strong>\uff1a\u5229\u7528\u4e86 y_lookup<\/code> \u7684\u9006\u903b\u8f91\uff0c\u5c06\u50cf\u7d20\u5dee\u8fd8\u539f\u56de\u7535\u538b\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n
                                            \n\n\n\n
                                            \u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n
                                            \u672c\u793a\u6ce2\u5668\u8f6f\u4ef6\u6570\u636e\u94fe\u8def\u7684\u6838\u5fc3\u6280\u672f\u6808\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                                              \n
                                            1. \u91c7\u96c6\u5c42<\/strong>\uff1aADC+TIM+DMA\u73af\u5f62\u7f13\u51b2\uff0c\u786c\u4ef6NDTR\u5feb\u7167\u5b9e\u73b0\u9884\u89e6\u53d1\u3002<\/li>\n\n\n\n
                                            2. \u5904\u7406\u5c42<\/strong>\uff1a\n
                                                \n
                                              • \u91cd\u6392<\/strong>\uff1a\u89e3\u51b3\u73af\u5f62\u7f13\u51b2\u7684\u7ebf\u6027\u5316\u95ee\u9898\u3002<\/li>\n\n\n\n
                                              • \u63d2\u503c<\/strong>\uff1aCatmull-Rom\u7b97\u6cd5\u5b9e\u73b0\u5e73\u6ed1\u65f6\u57fa\u62c9\u4f38\u3002<\/li>\n\n\n\n
                                              • \u62bd\u53d6<\/strong>\uff1a\u5cf0\u503c\u68c0\u6d4b\u7b97\u6cd5\u4fdd\u7559\u6ce2\u5f62\u7ec6\u8282\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                                              • \u663e\u793a\u5c42<\/strong>\uff1a\n
                                                  \n
                                                • LUT<\/strong>\uff1a\u67e5\u8868\u6cd5\u52a0\u901f\u5750\u6807\u6620\u5c04\u3002<\/li>\n\n\n\n
                                                • Blit<\/strong>\uff1a\u5206\u5757\u79bb\u5c4f\u6e32\u67d3\u5f7b\u5e95\u6d88\u9664\u5c4f\u95ea\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
                                                  \u6574\u4e2a\u6d41\u7a0b\u73af\u73af\u76f8\u6263\uff0c\u5728\u6709\u9650\u7684MCU\u8d44\u6e90\u4e0b\u5b9e\u73b0\u4e86\u4e13\u4e1a\u793a\u6ce2\u5668\u7684\u663e\u793a\u6548\u679c\u548c\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                  \u793a\u6ce2\u5668\u53ef\u4ee5\u8bf4\u662f\u6211\u505a\u8fc7\u6700\u6700\u6700\u590d\u6742\u7684\u4e1c\u897f\u4e86\uff0c\u524d\u524d\u540e\u540e\u641e\u4e86\u5feb1\u4e2a\u6708\u624d\u641e\u597d\u3002\u4e0b\u9762\u968f\u6211\u7684\u6b65\u4f10\uff0c\u6211\u4eec\u8fdb\u884c\u7ec6\u81f4\u7684\u8bb2\u89e3~ \u4e00\u3001 […]<\/p>\n","protected":false},"author":1,"featured_media":392,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,10],"tags":[26,29],"class_list":["post-385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xm-power-kit","category-10","tag-xm-power-kit","tag-29"],"_links":{"self":[{"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/posts\/385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/comments?post=385"}],"version-history":[{"count":2,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/posts\/385\/revisions"}],"predecessor-version":[{"id":391,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/posts\/385\/revisions\/391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/media\/392"}],"wp:attachment":[{"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/media?parent=385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/categories?post=385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xuemeng.work\/index.php\/wp-json\/wp\/v2\/tags?post=385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}