{"id":336576,"date":"2023-03-27T08:09:48","date_gmt":"2023-03-27T07:09:48","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=clion&#038;p=336576"},"modified":"2023-03-27T08:09:54","modified_gmt":"2023-03-27T07:09:54","slug":"arduino-dev-with-clion-part-ii","status":"publish","type":"clion","link":"https:\/\/blog.jetbrains.com\/zh-hans\/clion\/2023\/03\/arduino-dev-with-clion-part-ii\/","title":{"rendered":"\u4f7f\u7528 CLion \u8fdb\u884c Arduino \u5f00\u53d1\uff1a\u4ece\u4e1a\u4f59\u7231\u597d\u5230\u4e13\u4e1a\u9879\u76ee \u2013 \u7b2c\u4e8c\u90e8\u5206"},"content":{"rendered":"<p>\u5728\u672c\u7cfb\u5217\u7684<a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/08\/arduino-from-hobby-to-prof-p1\/\">\u7b2c\u4e00\u7bc7\u535a\u6587<\/a>\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 Arduino \u5f00\u53d1\u677f\u6784\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u539f\u578b\u9879\u76ee\u3002 \u7b2c\u4e8c\u9636\u6bb5\u5305\u62ec\u6784\u9020\u4e00\u4e2a\u529f\u80fd\u9f50\u5168\u7684\u8bbe\u5907\uff0c\u8be5\u8bbe\u5907\u53ef\u4ee5\u901a\u8fc7\u6c14\u538b\u56fe\u663e\u793a\u5f53\u524d\u7684\u6e29\u5ea6\u548c\u538b\u5f3a\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528\u4e00\u5757\u7535\u6c60\u8fd0\u884c\u51e0\u4e2a\u661f\u671f\u3002 \u6e90\u4ee3\u7801\u53ef\u4ee5\u5728 <a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/stm32\" target=\"_blank\" rel=\"noopener\">GitHub<\/a> \u4e0a\u627e\u5230\uff0c\u8bfb\u8005\u53ef\u4ee5\u6309\u7167\u8fd9\u7bc7\u535a\u6587\u4e2d\u7684\u5185\u5bb9\u9010\u6b65\u64cd\u4f5c\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#hardware\">\u786c\u4ef6<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#nucleo_board_modding\">\u786c\u4ef6\u6539\u9020<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#full_circuit_assembly\">\u5b8c\u6574\u7535\u8def\u7ec4\u88c5<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#firmware\">\u56fa\u4ef6<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#configuring_peripherals\">\u914d\u7f6e\u5916\u8bbe<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#write_code\">\u7f16\u5199\u4ee3\u7801<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#power_consumption\">\u529f\u8017<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#mcu_configuration_changes\">\u66f4\u6539 MCU \u914d\u7f6e\u4ee5\u4f18\u5316\u529f\u8017<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#firmware_changes\">\u66f4\u6539\u56fa\u4ef6\u4ee5\u4f18\u5316\u529f\u8017<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/clion\/2020\/12\/arduino-dev-with-clion-part-ii\/#conclusion\">\u7ed3\u8bba<\/a><\/li>\n<\/ul>\n<h2 id=\"hardware\">\u786c\u4ef6<\/h2>\n<p>\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u5b9e\u65f6\u65f6\u949f (RTC)\uff0c\u4e00\u4e2a\u7528\u4e8e\u5c4f\u5e55\u7684\u4e32\u884c\u5916\u8bbe\u63a5\u53e3 (SPI)\uff0c\u4e00\u4e2a\u7528\u4e8e\u5929\u6c14\u4f20\u611f\u5668\u7684 I2C \u63a5\u53e3\uff0c\u4ee5\u53ca\u81f3\u5c11 16KB \u7684 RAM \u548c 64KB \u7684 ROM\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u6700\u597d\u5177\u6709\u5c3d\u53ef\u80fd\u4f4e\u7684\u529f\u8017\u3002 \u6211\u5c06\u4f7f\u7528\u57fa\u4e8e STM32L432 MCU \u7684 <a href=\"https:\/\/www.st.com\/en\/evaluation-tools\/nucleo-l432kc.html\" target=\"_blank\" rel=\"noopener\">ST Nucleo-L432KC<\/a> \u5f00\u53d1\u677f\uff0c\u56e0\u4e3a\u6211\u624b\u5934\u6b63\u597d\u6709\u4e00\u5757\uff0c\u4f46\u7b26\u5408\u8981\u6c42\u7684\u5f00\u53d1\u677f\u8fd8\u6709\u5f88\u591a\uff0c\u5e76\u4e14\u8be5\u9879\u76ee\u53ef\u4ee5\u56f4\u7ed5\u4efb\u4f55 STM32L4 \u7cfb\u5217\u5fae\u63a7\u5236\u5668 (MCU) \u8fdb\u884c\u6784\u5efa\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5f00\u53d1\u677f\u53ca\u5176 MCU \u4e2d\u5305\u542b\u7684\u5185\u5bb9\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a 72 MHz \u7684 ARM Cortex-M4 \u5185\u6838\u3002<\/li>\n<li>64 KB RAM\u3002<\/li>\n<li>256 KB \u95ea\u5b58\u3002<\/li>\n<li>\u786c\u4ef6 SPI \u548c I2C \u63a5\u53e3\u3002<\/li>\n<li>\u7528\u6765\u76d1\u6d4b\u7535\u6c60\u7535\u91cf\u7684\u6a21\u6570\u8f6c\u6362\u5668 (ADC)\u3002<\/li>\n<li>\u4e00\u4e2a\u53ef\u7531\u7528\u6237\u63a7\u5236\u7684 LED\u3002<\/li>\n<li>\u4e00\u4e2a\u9644\u5e26 32.768 kHz \u77f3\u82f1\u632f\u8361\u5668\u7684\u7247\u4e0a RTC\u3002<\/li>\n<li>\u677f\u8f7d ST-LINK\/V2 \u8c03\u8bd5\u5668\/\u7f16\u7a0b\u5668\uff0c\u5141\u8bb8\u6211\u4eec\u5c06\u4ee3\u7801\u5237\u5199\u5230 MCU \u4e0a\uff0c\u5e76\u76f4\u63a5\u5728\u82af\u7247\u4e0a\u8fdb\u884c\u8c03\u8bd5\u3002<\/li>\n<li>\u4e00\u4e2a\u8fde\u63a5\u5230 USB-UART \u6865\u7684\u786c\u4ef6\u4e32\u884c\u7aef\u53e3 (UART)\uff0c\u53ef\u7528\u4e8e\u8bca\u65ad\u8f93\u51fa\u3002<\/li>\n<li>\u5916\u52a0\u8bb8\u591a\u6211\u4eec\u8fd9\u4e2a\u9879\u76ee\u7528\u4e0d\u5230\u7684\u5176\u4ed6\u6a21\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528\u4e0e\u7b2c\u4e00\u90e8\u5206\u76f8\u540c\u7684\u4f20\u611f\u5668\u548c\u5c4f\u5e55\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a Bosch <em>BMP085<\/em> \u6c14\u538b\u4f20\u611f\u5668\u3002 \u6211\u4eec\u5c06\u4f7f\u7528\u4e00\u4e2a<em> GY-65<\/em> \u6a21\u5757\uff0c\u4f46 <em>BMP180<\/em> (<em>GY-68<\/em>) \u4e5f\u53ef\u4ee5\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u3002<\/li>\n<li>\u4e00\u5757 <a href=\"https:\/\/www.waveshare.com\/product\/displays\/e-paper\/epaper-2\/4.2inch-e-paper-module.htm\" target=\"_blank\" rel=\"noopener\"><em>Waveshare 4.2 \u82f1\u5bf8\u7535\u5b50\u7eb8<\/em><\/a>\u5c4f\u5e55\u3002<\/li>\n<\/ul>\n<p>\u4f20\u611f\u5668\u548c\u5c4f\u5e55\u5747\u53ef\u7531 5V (Arduino) \u6216 3.3V (STM32) \u7684\u7535\u538b\u4f9b\u7535\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e00\u8282\u5355\u82af\u9502\u805a\u5408\u7269\u7535\u6c60\u6216\u9502\u79bb\u5b50\u7535\u6c60\u4e3a\u8be5\u8bbe\u5907\u4f9b\u7535\u3002 \u6211\u5c06\u4f7f\u7528\u6765\u81ea\u52a8\u4f5c\u76f8\u673a\u7684 1000 mAh \u7535\u6c60\u3002 \u4efb\u4f55\u7535\u6c60\u90fd\u53ef\u4ee5\uff0c\u4f8b\u5982\uff0c\u65e7\u624b\u673a\u7535\u6c60\u6216 18650 \u7535\u6c60\u3002 \u5982\u679c\u4f7f\u7528 18650 \u7535\u6c60\uff0c\u8bf7\u786e\u4fdd\u7535\u6c60\u5e26\u6709\u5185\u7f6e\u4fdd\u62a4\u7535\u8def\u3002 \u5982\u679c\u77ed\u8def\uff0c\u65e0\u4fdd\u62a4\u7684\u9502\u7535\u6c60\u53ef\u80fd\u4f1a\u5f15\u53d1\u706b\u707e\u6216\u7206\u70b8\u3002<br>\u6211\u4eec\u4f7f\u7528\u6700\u7b80\u5355\u7684\u5145\u7535\u5668\uff0c\u4e00\u4e2a\u57fa\u4e8e TC4056A \u82af\u7247\u7684\u6a21\u5757\u3002 \u5b83\u4eec\u5728 eBay \u4ee5\u53ca\u5927\u591a\u6570\u7535\u5b50\u4ea7\u54c1\u548c\u7231\u597d\u8005\u5546\u5e97\u90fd\u5f88\u5bb9\u6613\u4e70\u5230\u3002 \u6211\u7528\u7684\u662f\u4e0b\u9762\u8fd9\u4e2a\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image12.png\" alt=\"\u5f00\u53d1\u677f\" width=\"1250\"><\/p>\n<p>\u5b83\u81ea\u5e26\u5145\u653e\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u975e\u5e38\u5b9e\u7528\u3002<\/p>\n<h2 id=\"nucleo_board_modding\">Nucleo \u5f00\u53d1\u677f\u6539\u9020<\/h2>\n<p>\u7531\u4e8e\u6211\u7684\u76ee\u6807\u662f\u4e00\u4e2a\u7535\u6c60\u4f9b\u7535\u7684\u5e94\u7528\uff0c\u6211\u9700\u8981\u65ad\u5f00\u6240\u6709\u989d\u5916\u6d88\u8017\u7535\u6c60\u7535\u91cf\u7684\u6a21\u7ec4\u3002 \u8fd9\u5305\u62ec\u7535\u6e90 LED \u548c ST-LINK \u63a5\u53e3\u3002 <a href=\"https:\/\/www.st.com\/resource\/en\/user_manual\/dm00231744-stm32-nucleo32-boards-mb1180-stmicroelectronics.pdf\" target=\"_blank\" rel=\"noopener\">\u6839\u636e\u6587\u6863<\/a>\uff0c\u5982\u679c\u79fb\u9664\u710a\u6865 SB9 \u548c SB14\uff0c\u677f\u8f7d MCU \u53ef\u4ee5\u901a\u8fc7 3V3 \u5f15\u811a\u4f9b\u7535\u3002 \u6211\u8fd8\u5c06\u79fb\u9664 SB16 \u548c SB18\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ea\u63d0\u4f9b\u4e0e Arduino \u7684\u5f15\u811a\u5230\u5f15\u811a\u7684\u517c\u5bb9\u6027\uff0c\u4f46\u5b83\u4eec\u963b\u6b62\u4e86\u4e24\u4e2a\u5f15\u811a\u7684\u4f7f\u7528\u3002 \u4e0b\u9762\u662f\u6765\u81ea\u6587\u6863\u7684\u5f00\u53d1\u677f\u5e03\u5c40\u548c\u710a\u6865\u56fe\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image7.png\" alt=\"\u5f00\u53d1\u677f\u5e03\u5c40\" width=\"546.5\"><\/p>\n<p>\u73b0\u5728\uff0c\u677f\u8f7d\u7535\u6e90\u5df2\u4ece MCU \u65ad\u5f00\uff0c\u6211\u4eec\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u66ff\u4ee3\u7535\u6e90\u3002 \u6211\u4f7f\u7528\u7684\u662f BMP085 \u6a21\u5757\u9644\u5e26\u7684 LDO\u3002 \u6211\u5c06\u989d\u5916\u7684\u4e00\u6839\u5bfc\u7ebf\u710a\u63a5\u5230\u4f20\u611f\u5668\u82af\u7247\u7684 3.3V \u5f15\u811a\u4e0a\uff0c\u5e76\u7528\u70ed\u7194\u80f6\u5c06\u7535\u7ebf\u56fa\u5b9a\u5728\u5f00\u53d1\u677f\u4e0a\uff0c\u4ee5\u9632\u6b62\u710a\u63a5\u70b9\u4e0a\u7684\u538b\u529b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image4.jpg\" alt=\"\u5f15\u811a\" width=\"253\"><\/p>\n<h2 id=\"full_circuit_assembly\">\u5b8c\u6574\u7535\u8def\u7ec4\u88c5<\/h2>\n<p>\u5b8c\u6210\u4e0a\u8ff0\u6539\u88c5\u540e\uff0c\u6211\u7ec8\u4e8e\u53ef\u4ee5\u5c06\u7535\u8def\u7ec4\u88c5\u5728\u4e00\u8d77\u4e86\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image6.png\" alt=\"\u7535\u8def\" width=\"768\"><\/p>\n<p>\u8be5\u8bbe\u5907\u53ef\u4ee5\u901a\u8fc7\u4e24\u4e2a USB \u7aef\u53e3\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u6765\u4f9b\u7535\u548c\u5145\u7535\uff1a\u4e00\u4e2a\u5728 Nucleo \u5f00\u53d1\u677f\u4e0a\uff0c\u53e6\u4e00\u4e2a\u5728\u5145\u7535\u5668\u4e0a\u3002\u4e0d\u8fc7\uff0c\u8c03\u8bd5\u548c\u5237\u5199\u53ea\u80fd\u901a\u8fc7 Nucleo USB \u5b8c\u6210\u3002 \u8fd8\u8bf7\u6ce8\u610f\uff0c\u5f53\u6211\u4eec\u5b8c\u6210\u6784\u5efa\u540e\uff0c\u53ef\u4ee5\u79fb\u9664 IN+ &lt;-&gt; 5V \u5bfc\u7ebf\uff0c\u6211\u4eec\u4e0d\u518d\u9700\u8981\u4e3a ST-LINK \u63a5\u53e3\u4f9b\u7535\u3002<\/p>\n<p>\u6211\u5c06\u6574\u5957\u88c5\u7f6e\u5b89\u88c5\u5728\u4e86 <a href=\"https:\/\/www.ikea.com\/ca\/en\/p\/isberget-tablet-stand-white-20302596\/\" target=\"_blank\" rel=\"noopener\">IKEA \u5e73\u677f\u7535\u8111\u652f\u67b6<\/a>\u4e0a\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image8.jpg\" alt=\"\u6784\u9020\" width=\"1250\"><\/p>\n<h2 id=\"firmware\">\u56fa\u4ef6<\/h2>\n<p>\u4e4b\u540e\u7684\u6240\u6709\u9636\u6bb5\u5747\u4e0e\u6e90\u4ee3\u7801\u76f8\u5173\uff0c\u6211\u5728\u6bcf\u4e2a\u9636\u6bb5\u4e4b\u540e\u90fd\u8fdb\u884c\u4e00\u6b21 git \u63d0\u4ea4\uff0c\u4ee5\u4fbf\u60a8\u4e00\u6b65\u4e00\u6b65\u8ddf\u8e2a\u6bcf\u6b21\u66f4\u6539\u3002 \u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u6240\u6709 git \u64cd\u4f5c\u90fd<a href=\"https:\/\/www.jetbrains.com\/help\/clion\/working-with-git-tutorial.html\" target=\"_blank\" rel=\"noopener\">\u76f4\u63a5\u5728 CLion \u4e2d<\/a>\u5b8c\u6210\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image2.png\" alt=\"Git \u96c6\u6210\" width=\"778\"><\/p>\n<h2 id=\"configuring_peripherals\">\u914d\u7f6e\u5916\u8bbe<\/h2>\n<p>\u5728\u6b64\u9636\u6bb5\uff0c\u6211\u4eec\u6765\u7f16\u5199\u8bbe\u5907\u7684\u5b9e\u9645\u56fa\u4ef6\u3002 \u6211\u4f7f\u7528\u7684\u662f STM32CubeMX\u3001\u9002\u7528\u4e8e ARM \u7684 GCC \u5de5\u5177\u94fe\uff0c\u4ee5\u53ca CLion\u3002 \u9996\u5148\uff0c\u6211\u4eec\u5728 STM32CubeMX \u4e2d\u521b\u5efa\u4e00\u4e2a\u9879\u76ee\uff0c\u9009\u62e9 Nucleo-L432KC \u5f00\u53d1\u677f\uff0c\u7136\u540e\u914d\u7f6e\u6240\u6709\u5916\u8bbe\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image1.png\" alt=\"\u5916\u8bbe\" width=\"562\"><\/p>\n<ul>\n<li>I2C1 \u2013 \u6807\u51c6\u6a21\u5f0f\uff0c100 kHz \u901f\u5ea6\uff0c7 \u4f4d\u5730\u5740<\/li>\n<li>USART2 \u2013 115200 bps\uff0c8 \u4f4d\uff0c\u65e0\u5947\u5076\u6821\u9a8c<\/li>\n<li>ADC1 \u2013 \u542f\u7528\u8f6f\u4ef6\u89e6\u53d1\u7684 Vrefint \u901a\u9053<\/li>\n<li>SPI1 \u2013 \u4ec5\u4f20\u8f93\u4e3b\u6a21\u5f0f\uff0cMotorola \u683c\u5f0f\uff0c8 \u4f4d\u6700\u5927\u901f\u5ea6<\/li>\n<li>\u7528\u4e8e\u663e\u793a\u5c4f PA0 \u7684\u989d\u5916 GPIO \u4f5c\u4e3a\u8f93\u5165\uff1bPA1\u3001PA3 \u548c PA4 \u4f5c\u4e3a GPIO \u8f93\u51fa<\/li>\n<li>RTC \u5fc5\u987b\u7531\u542f\u7528\u4e86\u5185\u90e8\u5524\u9192\u7684 LSE\uff08\u5373\u77f3\u82f1\u632f\u8361\u5668\uff09\u8fdb\u884c\u65f6\u949f\u540c\u6b65\u3002<\/li>\n<\/ul>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5fc5\u987b\u5728 <em>Project Manager<\/em>\uff08\u9879\u76ee\u7ba1\u7406\u5668\uff09\u6807\u7b7e\u9875\u4e0a<a href=\"https:\/\/www.jetbrains.com.cn\/help\/clion\/embedded-development.html#new-project\" target=\"_blank\" rel=\"noopener\">\u5c06\u5de5\u5177\u94fe\u8bbe\u7f6e\u4e3a STM32CubeIDE<\/a>\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image3.png\" alt=\"STM32CubeIDE\" width=\"655\"><\/p>\n<p>\u5728\u5b8c\u6210\u6240\u6709\u8fd9\u4e9b\u8bbe\u7f6e\u4e4b\u540e\uff0c\u6211\u9009\u62e9\u9879\u76ee\u6587\u4ef6\u5939\uff0c\u5e76\u901a\u8fc7\u70b9\u51fb Generate Code\uff08\u751f\u6210\u4ee3\u7801\uff09\u6765\u751f\u6210\u9879\u76ee\u6846\u67b6\u3002<\/p>\n<h2 id=\"writing_code\">\u7f16\u5199\u4ee3\u7801<\/h2>\n<p>\u9996\u5148\uff0c\u5fc5\u987b\u4e3a\u5d4c\u5165\u5f0f\u5f00\u53d1\u914d\u7f6e IDE\u3002 \u6709\u5173\u5982\u4f55\u6267\u884c\u6b64\u64cd\u4f5c\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b <a href=\"https:\/\/www.jetbrains.com.cn\/help\/clion\/embedded-development.html\" target=\"_blank\" rel=\"noopener\">CLion \u7684\u7f51\u7edc\u5e2e\u52a9<\/a>\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u542f\u52a8 CLion \u5e76\u6253\u5f00\u9879\u76ee\u3002 CLion \u4f1a\u4e3a\u9879\u76ee\u521b\u5efa\u4e00\u4e2a CMake \u7ed3\u6784\uff0c\u7136\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u7f16\u5199\u4ee3\u7801\u4e86\u3002 \u8be5\u9879\u76ee\u73b0\u5728\u53ef\u7f16\u8bd1\uff0c\u4f46\u65e0\u6cd5\u6309\u9884\u671f\u5de5\u4f5c\u3002 \u9996\u5148\uff0c\u6211\u9700\u8981\u7f16\u5199\u9519\u8bef\u62a5\u544a\u4f8b\u7a0b\uff0c\u5e76\u4ece\u9519\u8bef\u5904\u7406\u7a0b\u5e8f\u8c03\u7528\u5b83\u4eec\u3002 \u4e3a\u6b64\uff0c\u6211\u53ef\u4ee5\u4f7f\u7528 CLion \u63d0\u4f9b\u7684\u6240\u6709\u7247\u4e0a\u8c03\u8bd5\u529f\u80fd\u3002 \u8fd9\u610f\u5473\u7740\u5355\u6b65\u6267\u884c\u3001\u542f\u52a8\u548c\u505c\u6b62\u56fa\u4ef6\uff0c\u76d1\u89c6\u53d8\u91cf\uff0c\u751a\u81f3\u5916\u8bbe\u5bc4\u5b58\u5668\u548c\u4f4d\u3002 \u5728\u4e0b\u9762\u7684\u52a8\u753b\u4e2d\uff0c\u5173\u6ce8 GPIOB ORD \u5bc4\u5b58\u5668\u7684\u7b2c 3 \u4f4d\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image5.png\" alt=\"\u5728 CLion \u4e2d\u8c03\u8bd5\" width=\"754\" data-gif-src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image5.gif\"><\/p>\n<p>\u6211\u8fd8\u4f7f\u7528\u4ee5\u4e0b\u51fd\u6570\u5c06 <em>stdout<\/em> \u91cd\u5b9a\u5411\u5230 UART2 \u4e32\u884c\u7aef\u53e3\uff1a<\/p>\n<pre><code class=\"language-cpp\">__unused int _write(__unused int handle, char *data, int size )\n{\n    HAL_UART_Transmit(&amp;huart2, (uint8_t*)data, size, size);\n    return size;\n}\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u8be5\u9879\u76ee\u5305\u542b\u8bb8\u591a\u81ea\u52a8\u751f\u6210\u7684\u6587\u4ef6\uff0c\u6211\u53ea\u80fd\u66f4\u6539\u4f2a\u6ce8\u91ca <code>\/<em> USER CODE BEGIN whatever <\/em>\/<\/code><code><\/code> \u548c <code>\/<em> USER CODE END whatever <\/em>\/<\/code> \u4e4b\u95f4\u7684\u6587\u4ef6\u3002 \u5426\u5219\uff0c\u5728 STM32CubeMX \u4e2d\u91cd\u65b0\u751f\u6210\u9879\u76ee\u65f6\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u4e22\u5931\u6240\u6709\u66f4\u6539\u3002<\/p>\n<p>\u4f20\u7edf\u4e0a\uff0c\u5927\u591a\u6570\u5d4c\u5165\u5f0f\u6e90\u4ee3\u7801\u662f\u7528 C \u800c\u975e C++ \u7f16\u5199\u7684\u3002 \u5305\u62ec ST \u5728\u5185\u7684\u82af\u7247\u4f9b\u5e94\u5546\u8fc7\u53bb\u4e5f\u7528 C \u8bed\u8a00\u63d0\u4f9b\u542f\u52a8\u4ee3\u7801\u548c\u786c\u4ef6\u8bbf\u95ee\u5e93\u3002\u5982\u4eca\uff0cC++ \u5df2\u7ecf\u6709\u4e86\u5f88\u591a\u6539\u8fdb\uff0c\u63d0\u5347\u4e86\u9632\u9519\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u800c\u6211\u66f4\u559c\u6b22\u4f7f\u7528 C++17\u3002 \u9057\u61be\u7684\u662f\uff0cSTM32CubeMX \u751f\u6210\u7684\u662f C \u4ee3\u7801\uff0c\u800c\u6211\u65e0\u8bba\u5982\u4f55\u90fd\u9700\u8981\u8c03\u7528 C \u5e93\u51fd\u6570\u3002 \u4f7f\u7528 C++ \u548c\u4f9b\u5e94\u5546\u4ee3\u7801\u5e93\u7684\u552f\u4e00\u65b9\u5f0f\u662f\u521b\u5efa\u4e00\u4e2a\u6216\u591a\u4e2a\u5355\u72ec\u7684\u6587\u4ef6\uff08\u5728\u6211\u7684\u793a\u4f8b\u4e2d\u662f <em>cppMain.cpp<\/em>\uff09\uff0c\u5e76\u5728\u5176\u4e2d\u7f16\u5199\u5927\u90e8\u5206\u4ee3\u7801\u3002 \u6709\u4e00\u4e2a\u58f0\u660e\u4e3a <code>external C void cppMain()<\/code> \u7684\u51fd\u6570\uff0c\u5f53\u6267\u884c\u6240\u6709\u81ea\u52a8\u751f\u6210\u7684\u521d\u59cb\u5316\u65f6\uff0c\u4f1a\u4ece\u5168\u5c40 <code>main()<\/code> \u51fd\u6570\u4e2d\u5bf9\u5176\u8fdb\u884c\u8c03\u7528\u3002 \u8bf7\u6ce8\u610f\uff0cC++ \u6807\u51c6\u901a\u8fc7 <em>CMakeLists.txt<\/em> \u4e2d\u7684 <code>set(CMAKE_CXX_STANDARD 17)<\/code> \u5b50\u53e5\u8fdb\u884c\u8bbe\u7f6e\u3002<a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/STM32CubeMX-project-created\/stm32l4-barograph\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u8ba9\u538b\u5f3a\u4f20\u611f\u5668\u5de5\u4f5c\u8d77\u6765\u3002 \u6211\u4ece\u7b2c\u4e00\u90e8\u5206\u4e2d\u4f7f\u7528\u7684 <a href=\"https:\/\/github.com\/adafruit\/Adafruit-BMP085-Library\" target=\"_blank\" rel=\"noopener\">Adafruit \u5e93<\/a>\u4e2d\u501f\u7528\u4e86\u76f8\u540c\u7684\u4ee3\u7801\uff0c\u6211\u5c06\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u4ee5\u4f7f\u7528 STM32 \u7684 I2C \u63a5\u53e3\u3002 \u6d4b\u91cf\u7ed3\u679c\u4f1a\u88ab\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u662f\u901a\u8fc7\u8fde\u63a5\u5230\u6211 PC \u4e0a\u7684\u865a\u62df COM \u7aef\u53e3\u7684 UART \u7aef\u53e3\u53d1\u9001\u7684\u3002 \u6211\u4f7f\u7528 <em>PuTTY<\/em> \u5b9e\u7528\u5de5\u5177\u6765\u76d1\u89c6\u7aef\u53e3\u5e76\u68c0\u67e5\u7ed3\u679c\u3002 <a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/pressure_sensor\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<p>\u7531\u4e8e\u8bbe\u5907\u7531\u7535\u6c60\u4f9b\u7535\uff0c\u56fa\u4ef6\u5e94\u8be5\u5bc6\u5207\u5173\u6ce8\u7535\u6c60\u7535\u538b\uff0c\u5e76\u5728\u7535\u6c60\u7535\u91cf\u4e0d\u8db3\u65f6\u53d1\u51fa\u8b66\u544a\u3002 \u6211\u4eec\u6709\u4e00\u4e2a\u53ef\u4ee5\u5b9e\u73b0\u6b64\u529f\u80fd\u7684\u7247\u4e0a ADC\u3002 \u4e3a\u4e86\u5c3d\u53ef\u80fd\u964d\u4f4e\u529f\u8017\uff0cMCU \u5fc5\u987b\u5728\u6240\u6709\u5c4f\u5e55\u66f4\u65b0\u4efb\u52a1\u5b8c\u6210\u540e\u7acb\u5373\u8fdb\u5165\u4f11\u7720\u6a21\u5f0f\uff0c\u800c RTC \u5fc5\u987b\u5e2e\u52a9\u6211\u4eec\u5524\u9192\u8bbe\u5907\u3002<\/p>\n<p>\u5355\u82af\u9502\u805a\u5408\u7269\u7535\u6c60\u901a\u5e38\u63d0\u4f9b\u7684\u7535\u538b\u8303\u56f4\u662f 3.0-4.2 V\uff0c\u6211\u4eec\u7684\u7535\u6e90\u7535\u8def\u4f1a\u5c06\u5176\u9650\u5236\u5728\u6700\u5927\u7ea6 3.3 V\u3002 \u6ca1\u6709\u5206\u538b\u88c5\u7f6e\uff0c\u56e0\u6b64\u6211\u4eec\u65e0\u6cd5\u6d4b\u91cf\u9ad8\u4e8e 3.3 V \u7684\u7535\u6c60\u7535\u538b\uff0c\u4f46\u5f53\u7535\u6c60\u7535\u538b\u964d\u81f3 3.3 V \u4ee5\u4e0b\u540e\uff0c3.3 V \u7ebf\u8def\u4e5f\u4f1a\u964d\u81f3\u66f4\u4f4e\u7684\u7535\u538b\uff0c\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u6d4b\u91cf\u3002 \u56fa\u4ef6\u5fc5\u987b\u6d4b\u91cf\u5185\u90e8\u53c2\u8003\u7535\u538b\u76f8\u5bf9\u4e8e\u7535\u6e90\u7535\u538b\u7684\u7535\u538b\uff0c\u7136\u540e\u4f7f\u7528\u5b58\u50a8\u5728 MCU \u7684\u975e\u6613\u5931\u6027\u5b58\u50a8\u5668\u4e2d\u7684\u9884\u7f16\u7a0b\u6821\u51c6\u503c\u8ba1\u7b97\u5b9e\u9645\u7535\u538b\u3002 \u6709\u4e00\u4e2a\u5b8f <code>__LL_ADC_CALC_VREFANALOG_VOLTAGE()<\/code> \u53ef\u4ee5\u5b9e\u73b0\u6b64\u529f\u80fd\u3002<br><a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/adc_and_rtc\/stm32l4-barograph\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u7684\u4e09\u4e2a\u6b65\u9aa4\u662f\u5173\u4e8e\u5982\u4f55\u8ba9\u663e\u793a\u5c4f\u6b63\u5e38\u5de5\u4f5c\u7684\u3002 \u6211\u5df2\u7ecf\u5c06\u6211\u5728\u7b2c\u4e00\u90e8\u5206\u4e2d\u4f7f\u7528\u7684<a href=\"https:\/\/github.com\/waveshare\/e-Paper\/tree\/master\/Arduino\/epd4in2\" target=\"_blank\" rel=\"noopener\">\u7528\u4e8e 4.2 \u82f1\u5bf8\u7535\u5b50\u7eb8\u663e\u793a\u5c4f\u7684 WaveShare \u5e93<\/a>\u79fb\u690d\u5230\u4e86 STM32 \u5e73\u53f0\u3002 \u8fd9\u4e2a\u5e93\u662f\u7528\u7ecf\u5178 C++ \u7f16\u5199\u7684\uff0c\u4f46\u6211\u66f4\u559c\u6b22\u8f83\u65b0\u7684\u6807\u51c6\uff0c\u81f3\u5c11\u4ece C++17 \u5f00\u59cb\u3002 CLion \u4f1a\u4e0d\u65ad\u6267\u884c\u4ee3\u7801\u68c0\u67e5\uff0c\u5e76\u4f7f\u7528\u9ec4\u8272\u8b66\u544a\u6807\u8bb0\u53ef\u7591\u4ee3\u7801\u3002 \u8fd9\u80fd\u591f\u663e\u8457\u51cf\u5c11\u62fc\u5199\u9519\u8bef\u548c\u5c0f\u9519\u8bef\u7684\u6570\u91cf\u3002 \u4f46\u4e0e\u6b64\u540c\u65f6\uff0c\u73b0\u6709\u7684\u4ee3\u7801\u901a\u5e38\u4f1a\u5f15\u53d1\u8bb8\u591a\u8b66\u544a\uff0c\u65e2\u6709\u5408\u7406\u8b66\u544a\uff0c\u4e5f\u6709\u8bef\u62a5\u3002 \u6211\u603b\u4f1a\u68c0\u67e5\u8fd9\u4e9b\u8b66\u544a\uff0c\u56e0\u4e3a\u5176\u4e2d\u4e00\u4e9b\u4f1a\u6307\u51fa\u771f\u6b63\u7684\u9519\u8bef\u6216\u6027\u80fd\u95ee\u9898\u3002 \u4e00\u4e9b\u7279\u6027\u548c\u5173\u952e\u5b57\uff0c\u4f8b\u5982 <code>maybe_unused<\/code>\u3001<code>noexcept<\/code>\u3001<code>noreturn<\/code>\u3001<code> __unused<\/code>\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u8bef\u62a5\uff0c\u4fdd\u6301\u4ee3\u7801\u6574\u6d01\u5e76\u63d0\u9ad8\u9632\u9519\u6027\u3002 \u6211\u6dfb\u52a0\u4e86 <a href=\"https:\/\/www.1001fonts.com\/doctorjekyll-font.html\" target=\"_blank\" rel=\"noopener\">Doctor Jekyll NF<\/a> \u5b57\u4f53\u3002\u6bd4\u8d77\u5e93\u4e2d\u63d0\u4f9b\u7684\u5b57\u4f53\uff0c\u6211\u4e2a\u4eba\u66f4\u559c\u6b22\u8fd9\u4e2a\u5b57\u4f53\u3002 \u8be5\u5b57\u4f53\u5df2\u4f7f\u7528<a href=\"https:\/\/github.com\/zst-embedded\/STM32-LCD_Font_Generator\" target=\"_blank\" rel=\"noopener\">\u6b64\u5b57\u4f53\u751f\u6210\u5668<\/a>\u811a\u672c\u4ece TrueType \u683c\u5f0f\u8f6c\u6362\u4e3a C \u6587\u4ef6\u5f62\u5f0f\u7684\u4f4d\u56fe \u3002<br><a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/display\/stm32l4-barograph\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u6211\u53ef\u4ee5\u66f4\u8fdb\u4e00\u6b65\uff0c\u8f93\u51fa\u771f\u5b9e\u6570\u636e\uff0c\u4f46\u76ee\u524d\u6ca1\u6709\u56fe\u5f62\u3002 \u6b64\u5916\uff0c\u6211\u8fd8\u53ef\u4ee5\u81ea\u5df1\u7ed8\u5236\u7b26\u53f7\u4f5c\u4e3a\u4f4d\u56fe\u5b57\u4f53\u3002 \u8fd9\u4e9b\u7b26\u53f7\u5305\u62ec Battery low\uff08\u7535\u91cf\u4f4e\uff09\u3001Battery empty\uff08\u7535\u91cf\u8017\u5c3d\uff09\uff0c\u4ee5\u53ca\u663e\u793a\u6c14\u538b\u5347\u964d\u7684\u56db\u4e2a\u8c61\u5f62\u56fe\u3002 \u6211\u7684\u7ed8\u753b\u80fd\u529b\u8fdc\u8fdc\u4f4e\u4e8e\u6211\u7684\u7f16\u7801\u80fd\u529b\uff0c\u8bf7\u89c1\u8c05\u3002 \u6211\u5c06 3.3V \u5bfc\u7ebf\u4e0a\u7684 Battery low\uff08\u7535\u91cf\u4f4e\uff09\u548c Battery empty\uff08\u7535\u91cf\u8017\u5c3d\uff09\u5206\u522b\u5b9a\u4e49\u4e3a 3.0 V \u548c 2.9 V\u3002<br><a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/text_information\/stm32l4-barograph\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<p>\u4e0b\u4e00\u6b65\u662f\u5c06\u5386\u53f2\u538b\u5f3a\u6570\u636e\u7ed8\u5236\u6210\u56fe\u8868\u3002 \u6211\u5728\u4e24\u6b21\u6d4b\u91cf\u4e4b\u95f4\u4f7f\u7528\u540d\u4e3a\u201cshutdown\u201d\uff08\u5173\u673a\uff09\u7684 MCU \u4f4e\u529f\u8017\u6a21\u5f0f\u3002 \u5728\u6b64\u6a21\u5f0f\u4e2d\uff0cRAM \u5185\u5bb9\u4f1a\u4e22\u5931\uff0c\u6211\u65e0\u6cd5\u5728\u5176\u4e2d\u5b58\u50a8\u6570\u636e\u3002 \u5e78\u8fd0\u7684\u662f\uff0c\u5728 MCU \u4e2d\u6709\u4e00\u4e2a\u540d\u4e3a\u201c\u5907\u4efd\u57df\u201d\u7684\u7279\u6b8a\u5757\u3002 \u5b83\u662f\u4e09\u5341\u4e8c\u4e2a 32 \u4f4d\u5bc4\u5b58\u5668\uff0c\u5728\u5173\u673a\u6a21\u5f0f\u4e0b\u4e0e RTC \u4e00\u8d77\u7ee7\u7eed\u8fd0\u884c\uff0c\u6b64\u65f6\uff0c\u5176\u4ed6\u4e00\u5207\u90fd\u88ab\u5173\u95ed\u3002 \u4e8c\u5341\u56db\u4e2a\u5bc4\u5b58\u5668\u7528\u4e8e\u5c06\u5386\u53f2\u6570\u636e\u4fdd\u5b58\u4e3a\u56db\u5341\u516b\u4e2a 16 \u4f4d\u503c\uff0c\u6bcf\u5c0f\u65f6\u4e00\u4e2a\u503c\uff0c\u5171\u4fdd\u5b58\u4e24\u5929\u3002 RTC \u4f1a\u4e0d\u65f6\u5524\u9192 MCU \u4ee5\u66f4\u65b0\u5386\u53f2\u8bb0\u5f55\u548c\u5c4f\u5e55\u3002<br><a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/tree\/history_chart\/stm32l4-barograph\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<h2 id=\"power_consumption\">\u529f\u8017<\/h2>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u6709\u4e86\u4e00\u4e2a\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\u7684\u8bbe\u5907\u3002 \u5b83\u80fd\u591f\u663e\u793a\u5929\u6c14\u6570\u636e\u5e76\u7ed8\u5236\u6c14\u538b\u56fe\u3002 \u6211\u4eec\u6765\u68c0\u67e5\u4e00\u4e0b\u6211\u7684\u7535\u6c60\u5145\u4e00\u6b21\u7535\u80fd\u7528\u591a\u4e45\u3002 \u6211\u5236\u4f5c\u4e86\u4e00\u4e2a\u540c\u6837\u57fa\u4e8e STM32 MCU \u7684\u7b80\u5355\u529f\u7387\u8868\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image10.jpg\" alt=\"\u529f\u7387\" width=\"1250\"><\/p>\n<p>\u6211\u5c06\u5728\u53e6\u4e00\u7bc7\u535a\u6587\u4e2d\u63cf\u8ff0\u5236\u4f5c\u529f\u7387\u8868\u7684\u8fc7\u7a0b\u3002 \u8fd9\u867d\u7136\u4e0d\u662f\u6700\u7cbe\u786e\u7684\u529f\u7387\u8868\uff0c\u4f46\u5e94\u8be5\u80fd\u7ed9\u51fa\u5408\u7406\u7684\u529f\u8017\u6307\u793a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image11.png\" alt=\"\u529f\u7387\u8be6\u7ec6\u4fe1\u606f\" width=\"1250\"><\/p>\n<p>\u5982\u56fe\u6240\u793a\uff0c42 \u5206\u949f\u5185\u6d4b\u5f97\u7684\u5e73\u5747\u529f\u8017\u7ea6\u4e3a 25 mA\u3002 \u8fd9\u610f\u5473\u7740\uff0c\u4e00\u5757 1000 mAh \u7535\u6c60\u7684\u7eed\u822a\u4e0d\u5230\u4e24\u5929\uff0c\u8fd9\u80af\u5b9a\u662f\u4e0d\u591f\u7684\u3002 \u6211\u4eec\u6765\u8fdb\u884c\u4e00\u4e9b\u4f18\u5316\u3002<\/p>\n<h2 id=\"mcu_configuration_changes\">\u66f4\u6539 MCU \u914d\u7f6e\u4ee5\u4f18\u5316\u529f\u8017<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u5c06 MCU \u65f6\u949f\u4ece 72 MHz \u964d\u4f4e\u5230 24 MHz\uff0c\u5c06 CPU \u5185\u6838\u8fde\u63a5\u5230 MSI \u751f\u6210\u5668\uff0c\u5e76\u5173\u95ed\u989d\u5916\u7684\u65f6\u949f\u5355\u5143\uff08HSI\u3001HSI48\u3001PLL \u548c LSI\uff09\u3002 \u5bf9\u4e8e\u6b64\u5e94\u7528\u6765\u8bf4\uff0c24 MHz \u8db3\u591f\u4e86\u3002 \u8fd9\u53ef\u4ee5\u901a\u8fc7 <em>Clock Configuration<\/em>\uff08\u65f6\u949f\u914d\u7f6e\uff09\u6807\u7b7e\u9875\u4e0a\u7684 STM32CubeMX \u5b8c\u6210\uff0c\u53ea\u9700\u70b9\u51e0\u4e0b\u9f20\u6807\u548c\u7f16\u5199\u4e09\u884c\u4ee3\u7801\u3002<br>\u5c4f\u5e55\u66f4\u65b0\u9700\u8981\u51e0\u4e2a\u6570\u636e\u6570\u7ec4\uff0c\u6bcf\u4e2a\u6570\u7ec4\u5927\u5c0f\u4e3a 15 KB\u3002 \u8be5\u5e93\u5728\u8f6e\u8be2\u6a21\u5f0f\u4e0b\u6267\u884c\u6b64\u64cd\u4f5c\uff0c\u5c31\u50cf\u5bf9 8 \u4f4d AVR \u6240\u8fdb\u884c\u7684\u64cd\u4f5c\u3002 \u6240\u6709\u7684 STM32 MCU \u90fd\u652f\u6301\u76f4\u63a5\u5185\u5b58\u8bbf\u95ee\uff0c\u8fd9\u4f7f\u5f97 SPI \u6570\u636e\u4f20\u8f93\u66f4\u5feb\uff0c\u5e76\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u8ba9 CPU \u5185\u6838\u8fdb\u5165<em>\u4f11\u7720<\/em>\u6a21\u5f0f\uff0c\u4ece\u800c\u964d\u4f4e\u529f\u8017\u3002 \u8fd9\u9700\u8981\u5728 STM32CubeMX \u4e2d\u70b9\u51fb\u51e0\u4e0b\uff0c\u7136\u540e\u66f4\u6539\u663e\u793a\u5668\u5e93\u4e2d\u7684\u51e0\u884c\u4ee3\u7801\u3002<\/p>\n<h2 id=\"firmware_changes\">\u66f4\u6539\u56fa\u4ef6\u4ee5\u4f18\u5316\u529f\u8017<\/h2>\n<p>MCU \u4f1a\u82b1\u8d39\u5927\u91cf\u65f6\u95f4\u7b49\u5f85\u5c4f\u5e55\u66f4\u65b0\u3001\u4f20\u611f\u5668\u521d\u59cb\u5316\u548c\u5176\u4ed6\u5177\u6709\u65f6\u95f4\u5ef6\u8fdf\u7684\u64cd\u4f5c\u3002 \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u91cd\u5199\u6807\u51c6 <code>HAL_Delay<\/code> \u51fd\u6570\uff08\u8bf7\u53c2\u9605 <em>main.c<\/em> \u6587\u4ef6\uff09\u5bf9\u6b64\u8fdb\u884c\u4f18\u5316\u3002\u552f\u4e00\u7684\u66f4\u6539\u662f\u5ef6\u8fdf\u5faa\u73af\u4e2d\u7684 <code>__WFI<\/code>\uff08\u7b49\u5f85\u4e2d\u65ad\uff09\u8c03\u7528\u3002 \u5b83\u4f1a\u4f7f MCU \u5728\u5b9a\u65f6\u5668\u4e2d\u65ad\u8bf7\u6c42\u4e4b\u95f4\u8fdb\u5165<em>\u4f11\u7720<\/em>\u6a21\u5f0f\u3002<br>\u6700\u540e\u4e00\u9879\uff0c\u4e5f\u662f\u6700\u91cd\u8981\u7684\u4e00\u9879\u66f4\u6539\uff0c\u662f\u4f7f\u7528<em>\u5173\u673a<\/em>\u6a21\u5f0f\u3002 \u5728\u6b64\u6a21\u5f0f\u4e2d\uff0c\u9664\u5907\u4efd\u57df\u4e4b\u5916\u7684\u5927\u90e8\u5206 MCU \u90fd\u4f1a\u5173\u95ed\uff0c\u529f\u8017\u4e5f\u4f1a\u5927\u5e45\u4e0b\u964d\u3002 \u5f53 MCU \u4ece\u8be5\u6a21\u5f0f\u5524\u9192\u540e\uff0c\u5b83\u5c06\u91cd\u7f6e\u5e76\u4ece\u5934\u5f00\u59cb\u6267\u884c\u56fa\u4ef6\u3002 \u56e0\u6b64\uff0c\u6211\u4eec\u5728\u4ee3\u7801\u4e2d\u5931\u53bb\u4e86\u5168\u5c40\u65e0\u9650\u5faa\u73af\uff0c\u56e0\u4e3a\u5728\u5173\u673a\u4e4b\u540e\uff0c\u6267\u884c\u6c38\u8fdc\u4e0d\u4f1a\u7ee7\u7eed\u3002 \u6211\u5728\u4ee3\u7801\u4e2d\u4fdd\u7559\u4e86\u4e00\u4e2a\u7a7a\u5faa\u73af\uff0c\u544a\u8bc9\u7f16\u8bd1\u5668\u6267\u884c\u4e0d\u4f1a\u8d85\u51fa <code>HAL_PWREx_EnterSHUTDOWNMode()<\/code> \u8c03\u7528\u3002 \u6700\u540e\uff0c\u6211\u5c06 RTC \u5524\u9192\u5468\u671f\u8bbe\u7f6e\u4e3a\u6bcf\u5c0f\u65f6\u4e00\u6b21\u3002 <a href=\"https:\/\/github.com\/elmot\/arduino-to-clion\/commit\/68e2a4f1bb7d5138117d09377fb1f69540f0b883\" target=\"_blank\" rel=\"noopener\">\u63d0\u4ea4<\/a>\u3002<\/p>\n<p>\u6211\u4eec\u6765\u770b\u770b\u8fd9\u5bf9\u6211\u4eec\u7684\u529f\u8017\u6709\u4f55\u5f71\u54cd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/12\/Arduino_II_image9.jpg\" alt=\"\u529f\u8017\u4f18\u5316\" width=\"473\"><\/p>\n<p>\u8fd9\u662f 24 \u5c0f\u65f6\u540e\u7684\u6570\u636e\uff1a\u5728\u4e24\u6b21\u5237\u65b0\u4e4b\u95f4\u7684<em>\u5173\u673a<\/em>\u6a21\u5f0f\u4e0b\u4e3a 0.03 mA\uff0c\u5e73\u5747\u529f\u8017\u4e3a 0.07 mA\u3002 \u8fd9\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u8d85\u8fc7\u4e00\u5e74\u7684\u7535\u6c60\u5bff\u547d\uff0c\u5373\u4f7f\u8003\u8651\u5230\u7535\u6c60\u81ea\u653e\u7535\u5e76\u5141\u8bb8\u4e00\u4e9b\u5408\u7406\u7684\u7535\u6d41\u6d4b\u91cf\u8bef\u5dee\u3002 \u8fd9\u6bd4\u6211\u4eec\u4e4b\u524d\u7684\u4e24\u5929\u65f6\u95f4\u957f\u4e86\u4e0d\u5c11\uff01<\/p>\n<h2 id=\"conclusion\">\u7ed3\u8bba<\/h2>\n<p>\u5728\u5b9e\u65bd\u8fd9\u4e2a\u9879\u76ee\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u57fa\u4e8e Arduino \u7684\u539f\u578b\u6784\u5efa\u4e86\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u8bbe\u5907\u3002 \u5f53\u7136\uff0c\u8fd9\u4e2a\u8bbe\u5907\u5e76\u4e0d\u5b8c\u7f8e\uff0c\u4ee3\u7801\u8fd8\u53ef\u4ee5\u7ee7\u7eed\u4f18\u5316\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u66f4\u597d\u7684\u786c\u4ef6\u3002 \u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4f7f\u7528\u4e86\u8bb8\u591a\u73b0\u4ee3\u529f\u80fd\uff0c\u5982\u81ea\u52a8\u4ee3\u7801\u751f\u6210\u3001\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u3001\u7247\u4e0a\u8c03\u8bd5\u548c CLion \u7684\u667a\u80fd\u7f16\u8f91\u5668\u3002 \u5f53\u7136\uff0c\u6ca1\u6709\u8fd9\u4e9b\u73b0\u4ee3\u529f\u80fd\u8be5\u9879\u76ee\u4e5f\u80fd\u5b8c\u6210\uff0c\u4f46\u5f00\u53d1\u8fc7\u7a0b\u5c06\u9700\u8981\u66f4\u957f\u7684\u65f6\u95f4\u3002 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