{"id":76734,"date":"2026-02-23T08:26:32","date_gmt":"2026-02-23T00:26:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/76734.html"},"modified":"2026-02-23T08:26:32","modified_gmt":"2026-02-23T00:26:32","slug":"%e4%bb%8e%e4%bf%a1%e5%8f%b7%e9%93%be%e5%88%b0%e6%95%b0%e6%8d%ae%e6%b9%96%ef%bc%9aad7768-1%e5%9c%a8%e8%be%b9%e7%bc%98%e8%ae%a1%e7%ae%97%e4%b8%ad%e7%9a%84%e9%ab%98%e7%b2%be%e5%ba%a6%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/76734.html","title":{"rendered":"\u4ece\u4fe1\u53f7\u94fe\u5230\u6570\u636e\u6e56\uff1aAD7768-1\u5728\u8fb9\u7f18\u8ba1\u7b97\u4e2d\u7684\u9ad8\u7cbe\u5ea6\u6570\u636e\u6d41\u67b6\u6784\u8bbe\u8ba1"},"content":{"rendered":"<h2>\u4ece\u4fe1\u53f7\u94fe\u5230\u6570\u636e\u6e56&#xff1a;AD7768-1\u5728\u8fb9\u7f18\u8ba1\u7b97\u4e2d\u7684\u9ad8\u7cbe\u5ea6\u6570\u636e\u6d41\u67b6\u6784\u8bbe\u8ba1<\/h2>\n<p>\u5728\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u8fb9\u7f18\u8282\u70b9\u8bbe\u8ba1\u4e2d&#xff0c;\u9ad8\u7cbe\u5ea6\u6570\u636e\u91c7\u96c6\u4e0e\u5b9e\u65f6\u5904\u7406\u4e00\u76f4\u662f\u7cfb\u7edf\u67b6\u6784\u7684\u6838\u5fc3\u6311\u6218\u3002\u968f\u7740\u632f\u52a8\u76d1\u6d4b\u3001\u667a\u80fd\u7535\u7f51\u548c\u7cbe\u5bc6\u4eea\u5668\u7b49\u5e94\u7528\u5bf9\u6570\u636e\u8d28\u91cf\u8981\u6c42\u7684\u4e0d\u65ad\u63d0\u5347&#xff0c;\u4f20\u7edfADC\u6a21\u5757\u5f80\u5f80\u96be\u4ee5\u517c\u987e\u9ad8\u91c7\u6837\u7387\u3001\u4f4e\u529f\u8017\u548c\u4fe1\u53f7\u5b8c\u6574\u6027\u3002AD7768-1\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u03a3-\u0394\u578b\u6a21\u6570\u8f6c\u6362\u5668&#xff0c;\u4ee5\u5176\u53ef\u914d\u7f6e\u7684\u6ee4\u6ce2\u6a21\u5f0f\u3001\u7075\u6d3b\u7684\u63a5\u53e3\u8bbe\u8ba1\u548c\u4f18\u5f02\u7684\u80fd\u6548\u8868\u73b0&#xff0c;\u4e3a\u8fb9\u7f18\u4fa7\u6570\u636e\u6d41\u5904\u7406\u63d0\u4f9b\u4e86\u65b0\u7684\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4ee5AD7768-1\u4e3a\u6838\u5fc3&#xff0c;\u6784\u5efa\u4ece\u6a21\u62df\u4fe1\u53f7\u8f93\u5165\u5230\u4e91\u7aef\u6570\u636e\u6e56\u7684\u5b8c\u6574\u9ad8\u53ef\u9760\u6027\u6570\u636e\u7ba1\u9053&#xff0c;\u91cd\u70b9\u89e3\u6790\u5176\u5728\u8d44\u6e90\u53d7\u9650\u73af\u5883\u4e0b\u7684\u786c\u4ef6\u96c6\u6210\u7b56\u7565\u3001\u5b9e\u65f6\u6570\u636e\u5904\u7406\u65b9\u6cd5\u53ca\u7cfb\u7edf\u7ea7\u4f18\u5316\u6280\u5de7\u3002<\/p>\n<h3>1. AD7768-1\u7684\u67b6\u6784\u7279\u6027\u4e0e\u8fb9\u7f18\u9002\u914d\u4f18\u52bf<\/h3>\n<p>AD7768-1\u91c7\u7528\u4e86\u5148\u8fdb\u7684\u03a3-\u0394\u8c03\u5236\u6280\u672f&#xff0c;\u7ed3\u5408\u6570\u5b57\u6ee4\u6ce2\u548c\u964d\u91c7\u6837\u673a\u5236&#xff0c;\u80fd\u591f\u5728\u4e0d\u540c\u529f\u8017\u6a21\u5f0f\u4e0b\u5b9e\u73b0\u4ece6.75mW\u523036.8mW\u7684\u52a8\u6001\u529f\u7387\u8c03\u8282\u3002\u5176\u4e09\u79cd\u5de5\u4f5c\u6a21\u5f0f&#xff08;\u5feb\u901f\u3001\u4e2d\u503c\u3001\u4f4e\u529f\u8017&#xff09;\u5206\u522b\u9488\u5bf9\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4f18\u5316&#xff0c;\u4f8b\u5982\u5feb\u901f\u6a21\u5f0f\u652f\u6301256kSPS\u91c7\u6837\u7387\u548c110.8kHz\u5e26\u5bbd&#xff0c;\u9002\u5408\u632f\u52a8\u4fe1\u53f7\u91c7\u96c6&#xff1b;\u800c\u4f4e\u529f\u8017\u6a21\u5f0f\u4ec5\u6d88\u80176.75mW&#xff0c;\u9002\u5408\u7535\u6c60\u4f9b\u7535\u7684\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u3002<\/p>\n<p>\u5173\u952e\u6027\u80fd\u53c2\u6570\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u5de5\u4f5c\u6a21\u5f0f\u6700\u5927\u91c7\u6837\u7387\u5e26\u5bbd\u529f\u8017\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u5feb\u901f\u6a21\u5f0f(Fast)<\/td>\n<td>256 kSPS<\/td>\n<td>110.8 kHz<\/td>\n<td>36.8 mW<\/td>\n<td>\u9ad8\u9891\u632f\u52a8\u76d1\u6d4b<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u503c\u6a21\u5f0f(Mid)<\/td>\n<td>128 kSPS<\/td>\n<td>55.4 kHz<\/td>\n<td>19.7 mW<\/td>\n<td>\u7535\u673a\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u4f4e\u529f\u8017\u6a21\u5f0f(LP)<\/td>\n<td>32 kSPS<\/td>\n<td>13.85 kHz<\/td>\n<td>6.75 mW<\/td>\n<td>\u7535\u6c60\u4f9b\u7535\u8fdc\u7a0b\u76d1\u6d4b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u8fb9\u7f18\u8ba1\u7b97\u73af\u5883\u4e2d&#xff0c;AD7768-1\u7684SPI\u63a5\u53e3\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u914d\u7f6e\u7075\u6d3b\u6027\u3002\u4e0e\u4f20\u7edf\u7684PIN\u6a21\u5f0f\u76f8\u6bd4&#xff0c;SPI\u63a5\u53e3\u652f\u6301\u6240\u6709\u5bc4\u5b58\u5668\u7684\u8bfb\u5199\u64cd\u4f5c&#xff0c;\u5141\u8bb8\u52a8\u6001\u8c03\u6574\u6ee4\u6ce2\u5668\u7c7b\u578b&#xff08;sinc5\u3001sinc3\u6216FIR&#xff09;\u3001\u62bd\u53d6\u7387\u548c\u529f\u8017\u6a21\u5f0f\u3002\u8fd9\u79cd\u53ef\u7f16\u7a0b\u7279\u6027\u4f7f\u5f97\u5355\u4e00\u786c\u4ef6\u8bbe\u8ba1\u80fd\u591f\u9002\u5e94\u591a\u79cd\u4f20\u611f\u573a\u666f&#xff0c;\u663e\u8457\u964d\u4f4e\u7cfb\u7edf\u590d\u6742\u6027\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n<p>\u5b9e\u9645\u90e8\u7f72\u4e2d\u53d1\u73b0&#xff0c;SPI\u65f6\u949f\u9891\u7387\u9700\u4e25\u683c\u9075\u5faa20MHz\u4e0a\u9650&#xff08;\u5468\u671f\u226550ns&#xff09;&#xff0c;\u8fc7\u9ad8\u7684\u65f6\u949f\u9891\u7387\u4f1a\u5bfc\u81f4\u6570\u636e\u7a33\u5b9a\u6027\u4e0b\u964d\u3002\u5efa\u8bae\u5728PCB\u5e03\u5c40\u65f6\u5c06SCLK\u3001DOUT\u3001DIN\u548cDRDY\u4fe1\u53f7\u5206\u522b\u4e0eGND\u6784\u6210\u53cc\u7ede\u7ebf&#xff0c;\u4ee5\u51cf\u5c11\u6570\u5b57\u566a\u58f0\u5bf9\u6a21\u62df\u4fe1\u53f7\u7684\u5e72\u6270\u3002<\/p>\n<h3>2. \u9ad8\u7cbe\u5ea6\u6570\u636e\u91c7\u96c6\u7684\u786c\u4ef6\u96c6\u6210\u7b56\u7565<\/h3>\n<p>\u5728\u5de5\u4e1a\u7269\u8054\u7f51\u73af\u5883\u4e2d&#xff0c;\u6a21\u62df\u524d\u7aef\u7684\u4fe1\u53f7\u8c03\u7406\u8d28\u91cf\u76f4\u63a5\u51b3\u5b9a\u6700\u7ec8\u6570\u636e\u8d28\u91cf\u3002AD7768-1\u652f\u6301\u5168\u5dee\u5206\u8f93\u5165&#xff0c;\u517624\u4f4d\u5206\u8fa8\u7387\u80fd\u591f\u68c0\u6d4b\u5fae\u4f0f\u7ea7\u4fe1\u53f7\u53d8\u5316&#xff0c;\u4f46\u5bf9\u53c2\u8003\u7535\u538b\u7a33\u5b9a\u6027\u548c\u7535\u6e90\u8d28\u91cf\u6709\u8f83\u9ad8\u8981\u6c42\u3002\u63a8\u8350\u4f7f\u7528ADR4540ARZ\u4f5c\u4e3a\u57fa\u51c6\u7535\u538b\u6e90&#xff0c;\u51760.5ppm\/\u00b0C\u7684\u6e29\u6f02\u7279\u6027\u548c3\u03bcVp-p\u7684\u566a\u58f0\u6307\u6807\u80fd\u591f\u6ee1\u8db3\u7cbe\u5bc6\u6d4b\u91cf\u9700\u6c42\u3002<\/p>\n<p>\u5bf9\u4e8e\u4fe1\u53f7\u8c03\u7406\u73af\u8282&#xff0c;\u5efa\u8bae\u91c7\u7528THS4551IRGTR\u7b49\u5168\u5dee\u5206\u653e\u5927\u5668\u5c06\u5355\u7aef\u4f20\u611f\u5668\u4fe1\u53f7\u8f6c\u6362\u4e3a\u5dee\u5206\u4fe1\u53f7&#xff0c;\u540c\u65f6\u63d0\u4f9b\u9002\u5f53\u7684\u589e\u76ca\u548c\u6ee4\u6ce2\u3002\u5b9e\u9645\u5e03\u5c40\u65f6\u9700\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>\u6a21\u62df\u7535\u6e90&#xff08;AVDD1&#xff09;\u5fc5\u987b\u63d0\u4f9b5V\u00b110%\u7684\u7a33\u5b9a\u7535\u538b&#xff0c;\u7eb9\u6ce2\u5e94\u63a7\u5236\u5728150mVpp\u4ee5\u5185<\/li>\n<li>\u7535\u6e90\u53bb\u8026\u7535\u5bb9\u5e94\u5c3d\u91cf\u9760\u8fd1\u82af\u7247\u5f15\u811a&#xff0c;\u63a8\u8350\u4f7f\u752810\u03bcF\u94bd\u7535\u5bb9\u5e76\u80540.1\u03bcF\u9676\u74f7\u7535\u5bb9<\/li>\n<li>\u6a21\u62df\u548c\u6570\u5b57\u5730\u5e73\u9762\u5e94\u901a\u8fc7\u5355\u70b9\u8fde\u63a5&#xff0c;\u907f\u514d\u5730\u73af\u8def\u5f15\u5165\u566a\u58f0<\/li>\n<\/ul>\n<p>\/\/ \u7535\u6e90\u7a33\u5b9a\u6027\u68c0\u6d4b\u4ee3\u7801\u793a\u4f8b<br \/>\n#define AVDD1_THRESHOLD 4.5f  \/\/ \u6700\u4f4e\u5de5\u4f5c\u7535\u538b<\/p>\n<p>bool check_power_stability(void)<br \/>\n{<br \/>\n    float avdd1_voltage &#061; read_voltage_sensor(AVDD1_PIN);<br \/>\n    if (avdd1_voltage &lt; AVDD1_THRESHOLD) {<br \/>\n        log_error(&#034;AVDD1\u7535\u538b\u4e0d\u8db3: %.2fV&#034;, avdd1_voltage);<br \/>\n        return false;<br \/>\n    }<br \/>\n    return true;<br \/>\n}<\/p>\n<p>\u5728\u591a\u901a\u9053\u7cfb\u7edf\u4e2d&#xff0c;\u53ef\u91c7\u7528TMUX614PWR\u7b49\u591a\u8def\u590d\u7528\u5668\u5b9e\u73b0\u4fe1\u53f7\u8def\u7531&#xff0c;\u901a\u8fc7SPI\u63a7\u5236\u5207\u6362\u4e0d\u540c\u4f20\u611f\u5668\u8f93\u5165\u3002\u8fd9\u79cd\u8bbe\u8ba1\u65e2\u8282\u7701ADC\u8d44\u6e90&#xff0c;\u53c8\u80fd\u4fdd\u6301\u4fe1\u53f7\u94fe\u7684\u4e00\u81f4\u6027\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u5207\u6362\u901a\u9053\u540e\u5e94\u9884\u7559\u8db3\u591f\u5efa\u7acb\u65f6\u95f4&#xff0c;\u907f\u514d\u524d\u4e00\u4e2a\u4fe1\u53f7\u7684\u6b8b\u7559\u5f71\u54cd\u540e\u7eed\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/p>\n<h3>3. \u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5b9e\u65f6\u6570\u636e\u6d41\u5904\u7406<\/h3>\n<p>\u5728\u8d44\u6e90\u53d7\u9650\u7684\u8fb9\u7f18\u8bbe\u5907\u4e2d&#xff0c;\u9ad8\u6548\u5904\u7406AD7768-1\u4ea7\u751f\u7684\u9ad8\u901f\u6570\u636e\u6d41\u662f\u5173\u952e\u6311\u6218\u3002\u4ee5512kSPS\u91c7\u6837\u7387\u4e3a\u4f8b&#xff0c;\u6bcf\u79d2\u4ea7\u751f\u7ea61.5MB\u539f\u59cb\u6570\u636e&#xff0c;\u8fd9\u5bf9\u5fae\u63a7\u5236\u5668\u7684\u5904\u7406\u80fd\u529b\u548c\u5b58\u50a8\u5e26\u5bbd\u63d0\u51fa\u4e86\u5f88\u9ad8\u8981\u6c42\u3002<\/p>\n<p>\u4e0d\u540cMCU\u5e73\u53f0\u6027\u80fd\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u5904\u7406\u5668\u578b\u53f7\u4e3b\u9891512kSPS\u6570\u636e\u8bfb\u53d6\u8d1f\u8f7d\u5269\u4f59\u5904\u7406\u80fd\u529b<\/tr>\n<tbody>\n<tr>\n<td>STM32F407<\/td>\n<td>168 MHz<\/td>\n<td>\u2248100%<\/td>\n<td>\u51e0\u4e4e\u65e0\u5269\u4f59<\/td>\n<\/tr>\n<tr>\n<td>STM32H723<\/td>\n<td>520 MHz<\/td>\n<td>\u224830%<\/td>\n<td>\u5145\u8db3<\/td>\n<\/tr>\n<tr>\n<td>ESP32-S3<\/td>\n<td>240 MHz<\/td>\n<td>\u224865%<\/td>\n<td>\u4e2d\u7b49<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u63a8\u8350\u4f7f\u7528\u5916\u90e8\u4e2d\u65ad\u65b9\u5f0f\u8bfb\u53d6\u6570\u636e&#xff0c;\u800c\u975e\u8f6e\u8be2\u6a21\u5f0f\u3002\u5f53DRDY\u5f15\u811a\u89e6\u53d1\u4e2d\u65ad\u65f6&#xff0c;\u5e94\u7acb\u5373\u8bfb\u53d6\u8f6c\u6362\u7ed3\u679c\u5e76\u5b58\u5165\u7f13\u51b2\u533a\u3002\u4e3a\u907f\u514d\u6570\u636e\u4e22\u5931&#xff0c;\u5e94\u91c7\u7528\u53cc\u7f13\u51b2\u673a\u5236&#xff1a;\u4e00\u4e2a\u7f13\u51b2\u533a\u7528\u4e8e\u63a5\u6536\u65b0\u6570\u636e&#xff0c;\u53e6\u4e00\u4e2a\u7f13\u51b2\u533a\u7528\u4e8e\u5904\u7406\u5df2\u63a5\u6536\u6570\u636e\u3002<\/p>\n<p>\/\/ \u53cc\u7f13\u51b2\u5b9e\u73b0\u793a\u4f8b<br \/>\n#define BUFFER_SIZE 1024<\/p>\n<p>volatile int32_t buffer_a[BUFFER_SIZE];<br \/>\nvolatile int32_t buffer_b[BUFFER_SIZE];<br \/>\nvolatile int32_t* active_buffer &#061; buffer_a;<br \/>\nvolatile uint16_t buffer_index &#061; 0;<\/p>\n<p>void AD7768_DRDY_IRQHandler(void)<br \/>\n{<br \/>\n    \/\/ \u8bfb\u53d624\u4f4d\u6570\u636e\u5e76\u8f6c\u6362\u4e3a32\u4f4d\u6709\u7b26\u53f7\u6574\u6570<br \/>\n    int32_t sample &#061; read_ad7768_data();<\/p>\n<p>    active_buffer[buffer_index&#043;&#043;] &#061; sample;<\/p>\n<p>    if (buffer_index &gt;&#061; BUFFER_SIZE) {<br \/>\n        \/\/ \u5207\u6362\u7f13\u51b2\u533a<br \/>\n        if (active_buffer &#061;&#061; buffer_a) {<br \/>\n            active_buffer &#061; buffer_b;<br \/>\n            process_buffer_async(buffer_a, BUFFER_SIZE);<br \/>\n        } else {<br \/>\n            active_buffer &#061; buffer_a;<br \/>\n            process_buffer_async(buffer_b, BUFFER_SIZE);<br \/>\n        }<br \/>\n        buffer_index &#061; 0;<br \/>\n    }<br \/>\n}<\/p>\n<p>\u5bf9\u4e8e\u5b9e\u65f6\u6027\u8981\u6c42\u6781\u9ad8\u7684\u5e94\u7528&#xff0c;\u53ef\u8003\u8651\u4f7f\u7528DMA\u4f20\u8f93\u8fdb\u4e00\u6b65\u964d\u4f4eCPU\u8d1f\u8f7d\u3002STM32H7\u7cfb\u5217\u82af\u7247\u652f\u6301SPI\u4e0eDMA\u7684\u76f4\u63a5\u8fde\u63a5&#xff0c;\u80fd\u591f\u5b9e\u73b0\u51e0\u4e4e\u96f6\u5f00\u9500\u7684\u6570\u636e\u4f20\u8f93\u3002\u914d\u7f6e\u65f6\u9700\u6ce8\u610fDMA\u7f13\u51b2\u533a\u7684\u5bf9\u9f50\u65b9\u5f0f\u548c\u6570\u636e\u5927\u5c0f\u7aef\u8bbe\u7f6e&#xff08;AD7768-1\u4f7f\u7528\u5927\u7aef\u683c\u5f0f&#xff09;\u3002<\/p>\n<h3>4. \u6570\u636e\u538b\u7f29\u4e0e\u9884\u5904\u7406\u7b97\u6cd5\u4f18\u5316<\/h3>\n<p>\u539f\u59cb\u4f20\u611f\u5668\u6570\u636e\u5305\u542b\u5927\u91cf\u5197\u4f59\u4fe1\u606f&#xff0c;\u76f4\u63a5\u4f20\u8f93\u81f3\u4e91\u7aef\u65e2\u4e0d\u7ecf\u6d4e\u4e5f\u4e0d\u9ad8\u6548\u3002\u5728\u8fb9\u7f18\u4fa7\u5b9e\u65bd\u9002\u5f53\u7684\u6570\u636e\u538b\u7f29\u548c\u9884\u5904\u7406&#xff0c;\u80fd\u591f\u663e\u8457\u964d\u4f4e\u4f20\u8f93\u5e26\u5bbd\u9700\u6c42\u548c\u4e91\u7aef\u5b58\u50a8\u6210\u672c\u3002<\/p>\n<p>\u5e38\u7528\u538b\u7f29\u7b97\u6cd5\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u7b97\u6cd5\u7c7b\u578b\u538b\u7f29\u7387\u8ba1\u7b97\u590d\u6742\u5ea6\u9002\u7528\u6570\u636e\u7c7b\u578b<\/tr>\n<tbody>\n<tr>\n<td>\u6709\u635f\u538b\u7f29<\/td>\n<td>\u9ad8<\/td>\n<td>\u4f4e<\/td>\n<td>\u632f\u52a8\u3001\u97f3\u9891\u4fe1\u53f7<\/td>\n<\/tr>\n<tr>\n<td>\u65e0\u635f\u538b\u7f29<\/td>\n<td>\u4e2d<\/td>\n<td>\u4e2d<\/td>\n<td>\u7cbe\u5bc6\u6d4b\u91cf\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u5dee\u503c\u7f16\u7801<\/td>\n<td>\u4e2d\u9ad8<\/td>\n<td>\u4f4e<\/td>\n<td>\u7f13\u6162\u53d8\u5316\u4fe1\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5bf9\u4e8e\u632f\u52a8\u4fe1\u53f7\u7b49\u9ad8\u9891\u6570\u636e&#xff0c;\u63a8\u8350\u4f7f\u7528\u6709\u635f\u538b\u7f29\u7b97\u6cd5\u5982ADPCM&#xff08;\u81ea\u9002\u5e94\u5dee\u5206\u8109\u51b2\u7f16\u7801\u8c03\u5236&#xff09;&#xff0c;\u80fd\u591f\u5728\u4fdd\u6301\u4e3b\u8981\u7279\u5f81\u7684\u540c\u65f6\u5b9e\u73b04:1\u81f38:1\u7684\u538b\u7f29\u6bd4\u3002\u5bf9\u4e8e\u9700\u8981\u4fdd\u7559\u5b8c\u6574\u4fe1\u606f\u7684\u7cbe\u5bc6\u6d4b\u91cf&#xff0c;\u53ef\u91c7\u7528\u57fa\u4e8e\u9884\u6d4b\u7684\u65e0\u635f\u538b\u7f29\u7b97\u6cd5&#xff0c;\u5982\u7b80\u5355\u7684\u7ebf\u6027\u9884\u6d4b\u7f16\u7801&#xff1a;<\/p>\n<p># \u7b80\u6613\u7ebf\u6027\u9884\u6d4b\u538b\u7f29\u7b97\u6cd5\u793a\u4f8b<br \/>\ndef compress_data(samples):<br \/>\n    compressed &#061; []<br \/>\n    prev &#061; 0<br \/>\n    for sample in samples:<br \/>\n        delta &#061; sample &#8211; prev<br \/>\n        compressed.append(delta)<br \/>\n        prev &#061; sample<br \/>\n    return compressed<\/p>\n<p>def decompress_data(compressed):<br \/>\n    samples &#061; []<br \/>\n    current &#061; 0<br \/>\n    for delta in compressed:<br \/>\n        current &#043;&#061; delta<br \/>\n        samples.append(current)<br \/>\n    return samples<\/p>\n<p>\u5728\u5b9e\u65bd\u538b\u7f29\u524d&#xff0c;\u5e94\u5bf9\u6570\u636e\u8fdb\u884c\u9002\u5f53\u7684\u964d\u91c7\u6837\u5904\u7406\u3002AD7768-1\u5185\u7f6e\u7684\u6570\u5b57\u6ee4\u6ce2\u5668\u5df2\u7ecf\u63d0\u4f9b\u4e86\u521d\u6b65\u7684\u6297\u6df7\u53e0\u4fdd\u62a4&#xff0c;\u53ef\u6839\u636e\u5e94\u7528\u9700\u6c42\u9009\u62e9sinc5\u3001sinc3\u6216FIR\u6ee4\u6ce2\u5668\u3002\u4e00\u822c\u60c5\u51b5\u4e0b&#xff0c;sinc5\u6ee4\u6ce2\u5668\u63d0\u4f9b\u66f4\u597d\u7684\u963b\u5e26\u8870\u51cf&#xff0c;\u9002\u5408\u7cbe\u5bc6\u6d4b\u91cf&#xff1b;\u800cFIR\u6ee4\u6ce2\u5668\u5177\u6709\u66f4\u5e73\u5766\u7684\u901a\u5e26\u54cd\u5e94&#xff0c;\u9002\u5408\u5bbd\u5e26\u4fe1\u53f7\u5206\u6790\u3002<\/p>\n<h3>5. \u6821\u51c6\u4e0e\u8bef\u5dee\u8865\u507f\u6280\u672f<\/h3>\n<p>\u9ad8\u7cbe\u5ea6\u6d4b\u91cf\u79bb\u4e0d\u5f00\u4e25\u683c\u7684\u6821\u51c6\u6d41\u7a0b\u3002AD7768-1\u867d\u7136\u5177\u6709\u4f18\u5f02\u7684\u7ebf\u6027\u5ea6\u548c\u4f4e\u566a\u58f0\u7279\u6027&#xff0c;\u4f46\u4ecd\u9700\u901a\u8fc7\u7cfb\u7edf\u7ea7\u6821\u51c6\u6d88\u9664\u589e\u76ca\u548c\u504f\u79fb\u8bef\u5dee\u3002\u63a8\u8350\u91c7\u7528\u4e24\u70b9\u6821\u51c6\u6cd5&#xff0c;\u4f7f\u7528\u5df2\u77e5\u53c2\u8003\u7535\u538b&#xff08;\u5982VCOM 2.5V\u548cGND 0V&#xff09;\u8ba1\u7b97\u5b9e\u9645\u8f6c\u6362\u7cfb\u6570\u3002<\/p>\n<p>\u6821\u51c6\u8fc7\u7a0b\u9700\u8981\u8ba1\u7b97\u589e\u76ca\u6821\u6b63\u7cfb\u6570\u548c\u504f\u79fb\u6821\u6b63\u7cfb\u6570&#xff1a;<\/p>\n<p>\/\/ \u4e24\u70b9\u6821\u51c6\u7b97\u6cd5\u5b9e\u73b0<br \/>\ntypedef struct {<br \/>\n    int32_t offset;<br \/>\n    int32_t gain;<br \/>\n    float scale_factor;<br \/>\n} calibration_params;<\/p>\n<p>calibration_params calibrate_ad7768(float v_ref, int32_t code_low, int32_t code_high,<br \/>\n                                   float volt_low, float volt_high)<br \/>\n{<br \/>\n    calibration_params params;<\/p>\n<p>    \/\/ \u8ba1\u7b97\u4e2d\u95f4\u91cf<br \/>\n    float kv &#061; 3 * 0x7FFFFF \/ v_ref;  \/\/ 0x7FFFFF &#061; 8388607<br \/>\n    float g_tmp &#061; (code_high &#8211; code_low) \/ ((volt_high &#8211; volt_low) * kv);<\/p>\n<p>    \/\/ \u8ba1\u7b97\u589e\u76ca\u548c\u504f\u79fb\u7cfb\u6570<br \/>\n    params.gain &#061; (int32_t)(0x555365 * g_tmp);  \/\/ \u793a\u4f8b\u57fa\u51c6\u503c<br \/>\n    params.offset &#061; (int32_t)(volt_low * kv &#8211; code_low \/ g_tmp);<br \/>\n    params.scale_factor &#061; v_ref \/ 0x7FFFFF;<\/p>\n<p>    return params;<br \/>\n}<\/p>\n<p>\/\/ \u5e94\u7528\u6821\u51c6<br \/>\nfloat apply_calibration(calibration_params params, int32_t raw_code)<br \/>\n{<br \/>\n    int32_t calibrated_code &#061; (raw_code &#8211; params.offset) * params.gain \/ 0x555365;<br \/>\n    return calibrated_code * params.scale_factor;<br \/>\n}<\/p>\n<p>\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d&#xff0c;\u5efa\u8bae\u5b9a\u671f\u81ea\u52a8\u6267\u884c\u6821\u51c6\u6d41\u7a0b&#xff0c;\u7279\u522b\u662f\u5728\u6e29\u5ea6\u53d8\u5316\u8f83\u5927\u7684\u73af\u5883\u4e2d\u3002\u53ef\u96c6\u6210\u6e29\u5ea6\u4f20\u611f\u5668\u76d1\u6d4b\u82af\u7247\u6e29\u5ea6&#xff0c;\u5f53\u6e29\u5ea6\u53d8\u5316\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\u65f6\u89e6\u53d1\u91cd\u65b0\u6821\u51c6\u3002\u540c\u65f6&#xff0c;\u5e94\u8bb0\u5f55\u6bcf\u6b21\u6821\u51c6\u7684\u53c2\u6570\u548c\u73af\u5883\u6761\u4ef6&#xff0c;\u4e3a\u540e\u7eed\u6570\u636e\u5206\u6790\u548c\u6545\u969c\u8bca\u65ad\u63d0\u4f9b\u4f9d\u636e\u3002<\/p>\n<h3>6. \u4e0e\u4e91\u7aef\u6570\u636e\u6e56\u7684\u96c6\u6210\u67b6\u6784<\/h3>\n<p>\u5c06\u8fb9\u7f18\u91c7\u96c6\u7684\u6570\u636e\u53ef\u9760\u4f20\u8f93\u81f3\u4e91\u7aef\u6570\u636e\u6e56\u9700\u8981\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u7cfb\u7edf\u67b6\u6784\u3002\u63a8\u8350\u91c7\u7528\u5206\u5c42\u5904\u7406\u7b56\u7565&#xff1a;\u5728\u8fb9\u7f18\u8282\u70b9\u8fdb\u884c\u5b9e\u65f6\u9884\u5904\u7406\u548c\u538b\u7f29&#xff0c;\u5728\u8fb9\u7f18\u7f51\u5173\u8fdb\u884c\u6570\u636e\u805a\u5408\u548c\u7f13\u5b58&#xff0c;\u6700\u7ec8\u6279\u91cf\u4f20\u8f93\u81f3\u4e91\u7aef\u3002<\/p>\n<p>\u6570\u636e\u6d41\u67b6\u6784\u5c42\u6b21&#xff1a;<\/p>\n<li>\u8fb9\u7f18\u8282\u70b9\u5c42&#xff1a;\u8d1f\u8d23\u539f\u59cb\u6570\u636e\u91c7\u96c6\u3001\u521d\u6b65\u5904\u7406\u548c\u538b\u7f29<\/li>\n<li>\u8fb9\u7f18\u7f51\u5173\u5c42&#xff1a;\u591a\u4e2a\u8282\u70b9\u6570\u636e\u805a\u5408\u3001\u534f\u8bae\u8f6c\u6362\u548c\u8d28\u91cf\u68c0\u67e5<\/li>\n<li>\u4e91\u7aef\u63a5\u5165\u5c42&#xff1a;\u6570\u636e\u63a5\u6536\u3001\u9a8c\u8bc1\u548c\u5206\u53d1\u5230\u6570\u636e\u6e56<\/li>\n<li>\u6570\u636e\u6e56\u5c42&#xff1a;\u539f\u59cb\u6570\u636e\u5b58\u50a8\u3001\u5143\u6570\u636e\u7ba1\u7406\u548c\u5206\u6790\u5c31\u7eea<\/li>\n<p>\u5bf9\u4e8e\u4f20\u8f93\u534f\u8bae\u9009\u62e9&#xff0c;MQTT\u9002\u5408\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f&#xff0c;\u63d0\u4f9b\u8f7b\u91cf\u7ea7\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236&#xff1b;HTTP\/REST\u9002\u5408\u6279\u91cf\u6570\u636e\u4f20\u8f93&#xff0c;\u5177\u6709\u66f4\u597d\u7684\u517c\u5bb9\u6027\u548c\u53ef\u9760\u6027\u3002\u5728\u5b9e\u9645\u5de5\u4e1a\u73af\u5883\u4e2d&#xff0c;\u5efa\u8bae\u540c\u65f6\u5b9e\u73b0\u4e24\u79cd\u534f\u8bae&#xff0c;\u6839\u636e\u7f51\u7edc\u6761\u4ef6\u52a8\u6001\u5207\u6362&#xff1a;<\/p>\n<p>\/\/ \u81ea\u9002\u5e94\u4f20\u8f93\u534f\u8bae\u9009\u62e9\u793a\u4f8b<br \/>\ntypedef enum {<br \/>\n    PROTOCOL_MQTT,<br \/>\n    PROTOCOL_HTTP,<br \/>\n    PROTOCOL_HYBRID<br \/>\n} protocol_type;<\/p>\n<p>protocol_type select_protocol(int network_quality, int data_urgency, size_t data_size)<br \/>\n{<br \/>\n    if (network_quality &gt; 70 &amp;&amp; data_urgency &gt; 5) {<br \/>\n        return PROTOCOL_MQTT;  \/\/ \u7f51\u7edc\u597d\u4e14\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8<br \/>\n    } else if (data_size &gt; 1024 * 1024) {<br \/>\n        return PROTOCOL_HTTP;   \/\/ \u5927\u6570\u636e\u91cf\u4f7f\u7528HTTP<br \/>\n    } else {<br \/>\n        return PROTOCOL_HYBRID; \/\/ \u6df7\u5408\u6a21\u5f0f<br \/>\n    }<br \/>\n}<\/p>\n<p>\u5728\u6570\u636e\u683c\u5f0f\u65b9\u9762&#xff0c;\u63a8\u8350\u4f7f\u7528Apache Parquet\u7b49\u5217\u5f0f\u5b58\u50a8\u683c\u5f0f&#xff0c;\u5b83\u4e0d\u4ec5\u538b\u7f29\u6548\u7387\u9ad8&#xff0c;\u8fd8\u652f\u6301\u590d\u6742\u6570\u636e\u7ed3\u6784\u548c\u8c13\u8bcd\u4e0b\u63a8&#xff0c;\u663e\u8457\u63d0\u9ad8\u540e\u7eed\u5206\u6790\u6548\u7387\u3002\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u5e94\u5305\u542b\u5b8c\u6574\u7684\u5143\u6570\u636e&#xff0c;\u5982\u4f20\u611f\u5668\u7c7b\u578b\u3001\u91c7\u6837\u7387\u3001\u6821\u51c6\u4fe1\u606f\u548c\u65f6\u95f4\u6233&#xff0c;\u786e\u4fdd\u6570\u636e\u7684\u53ef\u8ffd\u6eaf\u6027\u548c\u5206\u6790\u5c31\u7eea\u3002<\/p>\n<h3>7. 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