{"id":506,"date":"2024-07-15T09:24:27","date_gmt":"2024-07-15T01:24:27","guid":{"rendered":"https:\/\/aoofoo.com\/?p=506"},"modified":"2024-07-17T18:34:01","modified_gmt":"2024-07-17T10:34:01","slug":"2-13-%e5%ae%9a%e6%97%b6%e5%99%a8%e7%9a%84%e5%ae%9a%e6%97%b6%e4%b8%ad%e6%96%ad%e5%92%8c%e5%a4%96%e9%83%a8%e6%97%b6%e9%92%9f","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/07\/15\/2-13-%e5%ae%9a%e6%97%b6%e5%99%a8%e7%9a%84%e5%ae%9a%e6%97%b6%e4%b8%ad%e6%96%ad%e5%92%8c%e5%a4%96%e9%83%a8%e6%97%b6%e9%92%9f\/","title":{"rendered":"2.13 \u5b9a\u65f6\u5668\u7684\u5b9a\u65f6\u4e2d\u65ad\u548c\u5916\u90e8\u65f6\u949f"},"content":{"rendered":"<h2>\u5b9a\u65f6\u5668\u5185\u90e8\u4e2d\u65ad\u63a5\u7ebf\u56fe<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-510\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-48.png\" alt=\"\" width=\"1985\" height=\"599\" \/><\/p>\n<p>\u53ea\u9700\u8981\u5728STM32\u6700\u5c0f\u7cfb\u7edf\u677f\u4e0a\u63d2\u5165OLED\u5c4f\u5e55\u5c31\u884c\u4e86\uff0c\u56e0\u4e3a\u5b9a\u65f6\u5668\u548c\u4e2d\u65ad\u7cfb\u7edf\u7684\u7535\u8def\u90fd\u5728STM32\u5185\u90e8\uff0c\u5b9a\u65f6\u4e2d\u65ad\u4e5f\u662f\u4e3a\u6211\u4eec\u7a0b\u5e8f\u8bbe\u8ba1\u63d0\u4f9b\u670d\u52a1\u7684\uff0c\u6240\u4ee5\u53ea\u9700\u8981\u63d2\u4e00\u4e2aOLED\u663e\u793a\u6570\u636e\u5c31\u884c\u4e86\u3002<\/p>\n<h2>\u5199\u4ee3\u7801<\/h2>\n<h3>\u521d\u59cb\u5316\u5b9a\u65f6\u5668\u5927\u4f53\u601d\u8def<\/h3>\n<p>\u5199\u5173\u4e8e\u5b9a\u65f6\u5668\u7684\u4ee3\u7801\uff0c\u9996\u5148\u5c31\u9700\u8981\u5199\u5b9a\u65f6\u5668\u7684\u521d\u59cb\u5316\u51fd\u6570\uff0c\u6839\u636e\u5b9a\u65f6\u4e2d\u65ad\u7684\u6574\u4e2a\u6846\u67b6\u7ed3\u6784\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-513\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-49.png\" alt=\"\" width=\"913\" height=\"381\" \/><\/p>\n<p>\u53ea\u9700\u8981\u628a\u8fd9\u91cc\u7684\u6bcf\u4e2a\u6a21\u5757\u90fd\u6253\u901a\uff0c\u5c31\u53ef\u4ee5\u8ba9\u5b9a\u65f6\u5668\u5de5\u4f5c\u4e86\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\u3002RCC\u5f00\u542f\u65f6\u949f\u3002\uff08RCC\u5f00\u542f\u65f6\u949f\u540e\uff0c\u8ba9\u5b9a\u65f6\u5668\u9ed8\u8ba4\u7684\u65f6\u949f\u6e90\u662fAPB1\uff0c\u540e\u7eed\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6539\u53d8\u6210\u4e0d\u540c\u7684\u65f6\u949f\u6e90\u3002\uff09<\/p>\n<p>\u6253\u5f00\u65f6\u949f\u540e\uff0c\u5b9a\u65f6\u5668\u7684\u57fa\u51c6\u65f6\u949f\u548c\u6574\u4e2a\u5916\u8bbe\u7684\u5de5\u4f5c\u65f6\u949f\u90fd\u4f1a\u540c\u65f6\u6253\u5f00\u4e86\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u9009\u62e9\u65f6\u57fa\u5355\u5143\u7684\u65f6\u949f\u6e90\u3002<\/p>\n<p>\u5bf9\u4e8e\u5b9a\u65f6\u4e2d\u65ad\uff0c\u6211\u4eec\u5c31\u9009\u62e9\u5185\u90e8\u65f6\u949f\u6e90\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\uff0c\u914d\u7f6e\u65f6\u57fa\u5355\u5143\u3002<\/p>\n<p>\u914d\u7f6e\u9884\u5206\u9891\u5668\u3001\u81ea\u52a8\u91cd\u88c5\u5668\u3001\u8ba1\u6570\u6a21\u5f0f\u7b49\u7b49\uff0c\u8fd9\u4e9b\u53c2\u6570\u7528\u4e00\u4e2a\u7ed3\u6784\u4f53\u5c31\u53ef\u4ee5\u914d\u7f6e\u597d\u3002<\/p>\n<p>\u7b2c\u56db\u6b65\uff0c\u914d\u7f6e\u8f93\u51fa\u4e2d\u65ad\u63a7\u5236\u3002<\/p>\n<p>\u5141\u8bb8\u66f4\u65b0\u4e2d\u65ad\u8f93\u51fa\u5230NVIC\u3002<\/p>\n<p>\u7b2c\u4e94\u6b65\uff0c\u914d\u7f6eNVIC\u3002<\/p>\n<p>\u5728NVIC\u4e2d\u6253\u5f00\u5b9a\u65f6\u5668\u4e2d\u65ad\u7684\u901a\u9053\uff0c\u5e76\u5206\u914d\u4e00\u4e2a\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u7b2c\u516d\u6b65\uff0c\u8fd0\u884c\u63a7\u5236\u3002<\/p>\n<p>\u6574\u4e2a\u6a21\u5757\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u4f7f\u80fd\u4e00\u4e0b\u8ba1\u6570\u5668\uff0c\u8981\u4e0d\u7136\u8ba1\u6570\u5668\u662f\u4e0d\u4f1a\u8fd0\u884c\u7684\u3002<\/p>\n<p>\u5f53\u5b9a\u65f6\u5668\u4f7f\u80fd\u540e\uff0c\u8ba1\u6570\u5668\u5c31\u4f1a\u5f00\u59cb\u8ba1\u6570\u4e86\uff0c\u5f53\u8ba1\u6570\u5668\u66f4\u65b0\u65f6\uff0c\u89e6\u53d1\u4e2d\u65ad\uff0c\u6700\u540e\u6211\u4eec\u518d\u5199\u4e00\u4e2a\u5b9a\u65f6\u5668\u4e2d\u65ad\u51fd\u6570\uff0c\u8fd9\u6837\u8fd9\u4e2a\u4e2d\u65ad\u51fd\u6570\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u5c31\u80fd\u81ea\u52a8\u6267\u884c\u4e00\u6b21\u4e86\u3002<\/p>\n<h3>\u5b9a\u65f6\u5668\u5e93\u51fd\u6570<\/h3>\n<p>\u6211\u4eec\u627e\u4e00\u4e0b\u5b9a\u65f6\u5668TIM\u7684\u5e93\u51fd\u6570\uff0c\u5728stm32f10x_tim.h\u7684\u6700\u540e\u53ef\u4ee5\u770b\u5230TIM\u7684\u5e93\u51fd\u6570\u6570\u91cf\u975e\u5e38\u591a\uff0c\u6211\u4eec\u5148\u628a\u6211\u4eec\u9700\u8981\u7528\u7684\u6311\u51fa\u6765\u8bb2\u4e00\u4e0b\uff0c\u5269\u4e0b\u7684\u4e4b\u540e\u6162\u6162\u5b66\u3002<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>TIM\u6062\u590d\u9ed8\u8ba4\u914d\u7f6e<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><strong>void TIM_DeInit(TIM_TypeDef* TIMx);\u6062\u590d\u7f3a\u7701\u914d\u7f6e\u3002<\/strong><\/p>\n<p>\u5728\u5d4c\u5165\u5f0f\u7f16\u7a0b\u4e2d\uff0c\u201c\u7f3a\u7701\u914d\u7f6e\u201d\u901a\u5e38\u662f\u6307\u8bbe\u5907\u6216\u5916\u8bbe\u5728\u590d\u4f4d\uff08reset\uff09\u540e\u7684\u521d\u59cb\u72b6\u6001\u6216\u9ed8\u8ba4\u914d\u7f6e\u3002\u8fd9\u79cd\u9ed8\u8ba4\u914d\u7f6e\u662f\u7531\u786c\u4ef6\u8bbe\u8ba1\u548c\u5382\u5546\u6587\u6863\u89c4\u5b9a\u7684\uff0c\u901a\u5e38\u7528\u4e8e\u786e\u4fdd\u8bbe\u5907\u5728\u6700\u521d\u542f\u52a8\u65f6\u5904\u4e8e\u5df2\u77e5\u548c\u7a33\u5b9a\u7684\u72b6\u6001\u3002\u5728STM32\u5fae\u63a7\u5236\u5668\u4e2d\uff0cTIM_DeInit\u51fd\u6570\u7528\u4e8e\u5c06\u6307\u5b9a\u7684\u5b9a\u65f6\u5668\u5916\u8bbe\u6062\u590d\u5230\u5176\u590d\u4f4d\u540e\u7684\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u65f6\u57fa\u5355\u5143\u521d\u59cb\u5316<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><strong>void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct);\u65f6\u57fa\u5355\u5143\u521d\u59cb\u5316\u3002<\/strong><\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u6bd4\u8f83\u91cd\u8981\uff0c\u4ed6\u5c31\u662f\u7528\u6765\u914d\u7f6e\u8fd9\u4e2a\u56fe\u91cc\u7684<span style=\"color: #ff6600;\">\u65f6\u57fa\u5355\u5143<\/span>\u7684\u3002\u8fd9\u91cc\u9762\u6709\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u662fTIMx\u9009\u62e9\u67d0\u4e2a\u5b9a\u65f6\u5668\uff0c\u7b2c\u4e8c\u4e2a\u662f\u7ed3\u6784\u4f53\uff0c\u91cc\u9762\u5305\u542b\u4e86\u914d\u7f6e\u65f6\u57fa\u5355\u5143\u7684\u4e00\u4e9b\u53c2\u6570\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u7ed3\u6784\u4f53\u53d8\u91cf\u6062\u590d\u9ed8\u8ba4<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><strong>void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct);\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u628a\u7ed3\u6784\u4f53\u53d8\u91cf\u8d4b\u4e00\u4e2a\u9ed8\u8ba4\u503c\u3002<\/strong><\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u4f7f\u80fd\u8ba1\u6570\u5668<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><strong>void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState);\u4f7f\u80fd\u8ba1\u6570\u5668\u3002<\/strong><\/p>\n<p>\u5bf9\u5e94\u5728\u56fe\u4e2d\u5c31\u662f<span style=\"color: #ff6600;\">\u8fd0\u884c\u63a7\u5236<\/span>\u7684\u4f4d\u7f6e\uff0c\u6709\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2aTIMx\u9009\u62e9\u5b9a\u65f6\u5668\uff0c\u7b2c\u4e8c\u4e2aNewState\u5c31\u662f\u4f7f\u80fd\u6216\u8005\u5931\u80fd\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u4f7f\u80fd\u4e2d\u65ad\u8f93\u51fa\u4fe1\u53f7<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><strong>void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState);\u7528\u6765\u4f7f\u80fd\u4e2d\u65ad\u8f93\u51fa\u4fe1\u53f7\u7684\u3002<\/strong><\/p>\n<p>\u5bf9\u5e94\u7684\u5c31\u662f\u56fe\u4e2d\u7684<span style=\"color: #ff6600;\">\u4e2d\u65ad\u8f93\u51fa\u63a7\u5236<\/span>\u7684\u4f4d\u7f6e\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570TIMx\u9009\u62e9\u5b9a\u65f6\u5668\uff0c\u7b2c\u4e8c\u4e2aTIM_IT\uff0c\u9009\u62e9\u8981\u914d\u7f6e\u54ea\u4e2a\u4e2d\u65ad\u8f93\u51fa\u3002\u7b2c\u4e09\u4e2aNewstate\u4f7f\u80fd\u6216\u8005\u5931\u80fd\u3002<\/p>\n<p>\u8fd9\u79cdITConfig\u51fd\u6570\u4e4b\u540e\u4f1a\u7ecf\u5e38\u9047\u5230\uff0c\u5c31\u662f\u4f7f\u80fd\u5916\u8bbe\u7684\u4e2d\u65ad\u8f93\u51fa\u3002<\/p>\n<p><\/div><\/div><\/div>\n<p><strong>\u4e0b\u9762\u8fd9\u4e2a\u516d\u4e2a\u51fd\u6570\u5bf9\u5e94\u7684\u662f<span style=\"color: #ff6600;\">\u65f6\u57fa\u5355\u5143\u7684\u65f6\u949f\u9009\u62e9\u90e8\u5206<\/span><\/strong>\uff08\u53ef\u4ee5\u9009\u62e9RCC\u5185\u90e8\u65f6\u949f\u3001ETR\u5916\u90e8\u65f6\u949f\u3001ITRx\u5176\u4ed6\u5b9a\u65f6\u5668\u3001TIx\u6355\u83b7\u901a\u9053\uff09\uff1a<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u9009\u62e9\u5185\u90e8\u65f6\u949f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_InternalClockConfig(TIM_TypeDef* TIMx);\u9009\u62e9\u5185\u90e8\u65f6\u949f\u3002\u53c2\u6570\u53ea\u6709\u4e00\u4e2aTIMx\uff0c\u8c03\u7528\u4e00\u4e0b\u8fde\u63a5\u5c31\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-515\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-50.png\" alt=\"\" width=\"311\" height=\"209\" \/><\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u9009\u62e9ITRx\u5176\u4ed6\u5b9a\u65f6\u5668\u7684\u65f6\u949f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource);\u9009\u62e9ITRx\u5176\u4ed6\u5b9a\u65f6\u5668\u7684\u65f6\u949f\u3002<\/p>\n<p>\u53c2\u6570\u662fTIMx\uff0c\u9009\u62e9\u8981\u914d\u7f6e\u7684\u5b9a\u65f6\u5668\u3002InputTriggerSource\u9009\u62e9\u8981\u63a5\u5165\u54ea\u4e2a\u5176\u4ed6\u7684\u5b9a\u65f6\u5668\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-517\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-52.png\" alt=\"\" width=\"303\" height=\"194\" \/><\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u9009\u62e9TIx\u6355\u83b7\u901a\u9053\u7684\u65f6\u949f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource,uint16_t TIM_ICPolarity, uint16_t ICFilter);\u9009\u62e9TIx\u6355\u83b7\u901a\u9053\u7684\u65f6\u949f\u3002<\/p>\n<p>\u53c2\u6570\u662fTIMx\uff0c\u9009\u62e9\u8981\u914d\u7f6e\u7684\u5b9a\u65f6\u5668\u3002TIxExternalCLKSource\u9009\u62e9TIx\u5177\u4f53\u7684\u67d0\u4e2a\u5f15\u811a\u3002ICPolarity\u548cICFilter\u662f\u8f93\u5165\u7684\u6781\u6027\u548c\u6ee4\u6ce2\u5668\u3002\u5bf9\u4e8e\u5916\u90e8\u5f15\u811a\u7684\u6ce2\u5f62\uff0c\u4e00\u822c\u90fd\u4f1a\u6709\u6781\u6027\u9009\u62e9\u548c\u6ee4\u6ce2\u5668\uff0c\u8fd9\u6837\u66f4\u7075\u6d3b\u4e00\u4e9b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-516\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-51.png\" alt=\"\" width=\"319\" height=\"200\" \/><\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u9009\u62e9ETR\u901a\u8fc7\u5916\u90e8\u65f6\u949f\u6a21\u5f0f1\u8f93\u5165\u7684\u65f6\u949f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,uint16_t ExtTRGFilter);\u9009\u62e9ETR\u901a\u8fc7\u5916\u90e8\u65f6\u949f\u6a21\u5f0f1\u8f93\u5165\u7684\u65f6\u949f\u3002<\/p>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570ExtTRGPrescaler\u662f\u5916\u90e8\u89e6\u53d1\u9884\u5206\u9891\u5668\u3002\u8fd9\u91cc\u53ef\u4ee5\u5bf9ETR\u7684\u5916\u90e8\u65f6\u949f\u518d\u63d0\u524d\u505a\u4e00\u4e2a\u5206\u9891\u3002<\/p>\n<p>Polarity\u548cFilter\u4e5f\u662f\u4e00\u6837\uff0c\u6781\u6027\u548c\u6ee4\u6ce2\u5668\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-518\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-53.png\" alt=\"\" width=\"329\" height=\"243\" \/><\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u9009\u62e9ETR\u901a\u8fc7\u5916\u90e8\u65f6\u949f\u6a21\u5f0f2\u8f93\u5165\u7684\u65f6\u949f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);\u9009\u62e9ETR\u901a\u8fc7\u5916\u90e8\u65f6\u949f\u6a21\u5f0f2\u8f93\u5165\u7684\u65f6\u949f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-519\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-54.png\" alt=\"\" width=\"343\" height=\"214\" \/><\/p>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570ExtTRGPrescaler\u662f\u5916\u90e8\u89e6\u53d1\u9884\u5206\u9891\u5668\u3002\u8fd9\u91cc\u53ef\u4ee5\u5bf9ETR\u7684\u5916\u90e8\u65f6\u949f\u518d\u63d0\u524d\u505a\u4e00\u4e2a\u5206\u9891\u3002<\/p>\n<p>Polarity\u548cFilter\u4e5f\u662f\u4e00\u6837\uff0c\u6781\u6027\u548c\u6ee4\u6ce2\u5668\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u914d\u7f6eETR\u5f15\u811a\u7684\u9884\u5206\u9891\u5668\u7b49\u53c2\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,uint16_t ExtTRGFilter);<\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u4e0d\u662f\u7528\u6765\u9009\u62e9\u65f6\u949f\u7684\uff0c\u5c31\u662f\u7528\u6765\u5355\u72ec\u914d\u7f6eETR\u5f15\u811a\u7684\u9884\u5206\u9891\u5668\u3001\u6781\u6027\u3001\u6ee4\u6ce2\u5668\u8fd9\u4e9b\u53c2\u6570\u7684\u3002<\/p>\n<p><\/div><\/div><\/div>\n<p>\u56e0\u4e3a\u5728\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u91cc\u6709\u5f88\u591a\u5173\u952e\u7684\u53c2\u6570\uff0c\u6bd4\u5982\u81ea\u52a8\u91cd\u88c5\u503c\u548c\u9884\u5206\u9891\u503c\u7b49\u7b49\uff0c\u8fd9\u4e9b\u53c2\u6570\u53ef\u80fd\u4f1a\u5728\u521d\u59cb\u5316\u4e4b\u540e\u8fd8\u9700\u8981\u66f4\u6539\uff0c\u5982\u679c\u4e3a\u4e86\u6539\u67d0\u4e2a\u53c2\u6570\u8fd8\u8981\u518d\u8c03\u7528\u4e00\u6b21\u521d\u59cb\u5316\u51fd\u6570\uff0c\u90a3\u4e5f\u592a\u9ebb\u70e6\u4e86\uff0c\u6240\u4ee5\u8fd9\u91cc\u6709\u4e00\u4e9b\u5355\u72ec\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u66f4\u6539\u8fd9\u4e9b\u5173\u952e\u53c2\u6570\u3002<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u5355\u72ec\u5199\u9884\u5206\u9891\u503c<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode);\u5c31\u662f\u7528\u6765\u5355\u72ec\u5199\u9884\u5206\u9891\u503c\u7684\u3002Prescaler\u5c31\u662f\u8981\u5199\u5165\u7684\u9884\u5206\u9891\u503c\u3002PSCReloadMode\uff0c\u5199\u5165\u7684\u6a21\u5f0f\uff0c\u6211\u4eec\u4e0a\u4e00\u5c0f\u8282\u8bf4\u4e86\uff0c\u9884\u5206\u9891\u5668\u6709\u4e00\u4e2a\u7f13\u51b2\u5668\uff0c\u5199\u5165\u7684\u503c\u662f\u5728\u66f4\u65b0\u4e8b\u4ef6\u540e\u624d\u6709\u6548\u7684\uff0c\u6240\u4ee5\u8fd9\u91cc\u6709\u4e2a\u5199\u5165\u7684\u6a21\u5f0f\uff0c\u53ef\u4ee5\u9009\u62e9\u542c\u4ece\u5b89\u6392\uff0c\u5728\u66f4\u65b0\u4e8b\u4ef6\u751f\u6548\uff0c\u6216\u8005\u662f\uff0c\u5728\u5199\u5165\u540e\uff0c\u624b\u52a8\u4ea7\u751f\u4e00\u4e2a\u66f4\u65b0\u4e8b\u4ef6\uff0c\u8ba9\u8fd9\u4e2a\u503c\u7acb\u523b\u751f\u6548\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u6539\u53d8\u8ba1\u6570\u5668\u7684\u8ba1\u6570\u6a21\u5f0f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode);\u7528\u6765\u6539\u53d8\u8ba1\u6570\u5668\u7684\u8ba1\u6570\u6a21\u5f0f\uff0c\u53c2\u6570CounterMode\u9009\u62e9\u65b0\u7684\u8ba1\u6570\u5668\u6a21\u5f0f\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u81ea\u52a8\u91cd\u88c5\u5668\u9884\u88c5\u529f\u80fd\u914d\u7f6e<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState);\u81ea\u52a8\u91cd\u88c5\u5668\u9884\u88c5\u529f\u80fd\u914d\u7f6e\u3002\u6211\u4eec\u4e4b\u524d\u4ecb\u7ecd\u4e86\u8fd9\u4e2a\u8ba1\u6570\u5668\u7684\u9884\u88c5\u529f\u80fd\uff0c\u6709\u9884\u88c5\u548c\u65e0\u9884\u88c5\u53ef\u4ee5\u81ea\u5df1\u9009\u62e9\u7684\uff0c\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u7ed9\u4e2a\u53c2\u6570\uff0c\u4f7f\u80fd\u8fd8\u662f\u5931\u80fd\u5c31\u884c\u4e86\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u7ed9\u8ba1\u6570\u5668\u5199\u5165\u4e00\u4e2a\u503c<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_SetCounter(TIM_TypeDef* TIMx, uint16_t Counter);\u7ed9\u8ba1\u6570\u5668\u5199\u5165\u4e00\u4e2a\u503c\uff0c\u5982\u679c\u4f60\u60f3\u624b\u52a8\u7ed9\u4e00\u4e2a\u8ba1\u6570\u503c\uff0c\u5c31\u53ef\u4ee5\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u7ed9\u81ea\u52a8\u91cd\u88c5\u5668\u5199\u5165\u4e00\u4e2a\u503c<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint16_t Autoreload);\u7ed9\u81ea\u52a8\u91cd\u88c5\u5668\u5199\u5165\u4e00\u4e2a\u503c\uff0c\u5982\u679c\u4f60\u60f3\u624b\u52a8\u7ed9\u4e00\u4e2a\u81ea\u52a8\u91cd\u88c5\u503c\uff0c\u5c31\u53ef\u4ee5\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u83b7\u53d6\u5f53\u524d\u8ba1\u6570\u5668\u7684\u503c<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>uint16_t TIM_GetCounter(TIM_TypeDef* TIMx);\u83b7\u53d6\u5f53\u524d\u8ba1\u6570\u5668\u7684\u503c\uff0c\u5982\u679c\u4f60\u60f3\u770b\u5f53\u524d\u8ba1\u6570\u5668\u8ba1\u5230\u54ea\u91cc\u4e86\uff0c\u53ef\u4ee5\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u83b7\u53d6\u5f53\u524d\u9884\u5206\u9891\u5668\u7684\u503c<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx);\u5982\u679c\u60f3\u770b\u9884\u5206\u9891\u503c\uff0c\u5c31\u8c03\u7528\u4e00\u4e0b\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<p><\/div><\/div><\/div>\n<p>\u4e0b\u9762\u8fd9\u56db\u4e2a\u51fd\u6570\u662f\u7528\u6765\u83b7\u53d6\u6807\u5fd7\u4f4d\u548c\u6e05\u9664\u6807\u5fd7\u4f4d\u7684\uff0c\u8fd9\u91cc\u5c31\u4e0d\u591a\u8bb2\u4e86\uff1a<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u83b7\u53d6\/\u6e05\u9664\u6807\u5fd7\u4f4d<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);<br \/>\nvoid TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);<br \/>\nITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT);<br \/>\nvoid TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT);<\/p>\n<p><\/div><\/div><\/div>\n<h3>\u521d\u59cb\u5316\u5b9a\u65f6\u5668<\/h3>\n<p>\u6309\u7167\u6211\u4eec\u6240\u8bf4\u7684\u6b65\u9aa4\u6765\u521d\u59cb\u5316\u5b9a\u65f6\u5668\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u521d\u59cb\u5316\u7684\u5b9a\u65f6\u5668\u662fTIM2\u4e5f\u5c31\u662f\u901a\u7528\u5b9a\u65f6\u5668\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u5f00\u542f\u65f6\u949f\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE);<\/code><\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u9009\u62e9\u65f6\u57fa\u5355\u5143\u7684\u65f6\u949f\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>TIM_InternalClockConfig(TIM2);<\/code><\/pre>\n<p>\u4e0d\u8fc7\u8fd9\u4e2a\u9009\u62e9\u65f6\u949f\u7684\u51fd\u6570\uff0c\u6211\u770b\u5176\u4ed6\u5f88\u591a\u4eba\u7684\u4ee3\u7801\u90fd\u6ca1\u6709\u5199\uff0c\u56e0\u4e3a\u5b9a\u65f6\u5668\u4e0a\u7535\u540e\u9ed8\u8ba4\u5c31\u662f\u4f7f\u7528\u7684\u5185\u90e8\u65f6\u949f\uff0c\u5982\u679c\u4e0d\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u90a3\u4e5f\u662f\u4f7f\u7528\u7684\u5185\u90e8\u65f6\u949f\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\uff0c\u914d\u7f6e\u65f6\u57fa\u5355\u5143\u3002<\/p>\n<p>\u65f6\u57fa\u5355\u5143\u4e2d\u6709\u7ed3\u6784\u4f53\u7c7b\u578bTIM_TimeBaseInitTypeDef\uff0c\u6211\u4eec\u5148\u628a\u8fd9\u4e2a\u7ed3\u6784\u4f53\u7c7b\u578b\u91cc\u9762\u7684\u6210\u5458\u4e00\u4e00\u4ecb\u7ecd\u4e00\u4e0b\u3002<\/p>\n<p><strong>TIM_ClockDivision\uff1a<\/strong>\u6307\u5b9a<span style=\"color: #ff6600;\">\u65f6\u949f\u5206\u9891<\/span>\u3002\u8fd9\u4e2a\u65f6\u949f\u5206\u9891\u7684\u53c2\u6570\u4e4b\u524d\u8bb2\u539f\u7406\u7684\u65f6\u5019\u4e00\u76f4\u6ca1\u51fa\u73b0\u8fc7\uff0c\u90a3\u5b83\u662f\u7528\u6765\u5e72\u5565\u7684\uff1f\u6211\u4eec\u4e4b\u524d\u8bf4\u4e86\uff0c\u5728\u5b9a\u65f6\u5668\u7684\u5916\u90e8\u4fe1\u53f7\u5f15\u5165\u8f93\u5165\u5f15\u811a\uff0c\u4e00\u822c\u90fd\u4f1a\u6709\u4e00\u4e2a\u6ee4\u6ce2\u5668\uff0c\u6bd4\u5982\u8fd9\u91cc\uff1a<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-523\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-55.png\" alt=\"\" width=\"308\" height=\"56\" \/>\uff0c\u8fd9\u4e2a\u6ee4\u6ce2\u5668\u53ef\u4ee5\u6ee4\u6389\u4fe1\u53f7\u7684\u6296\u52a8\u5e72\u6270\uff0c\u90a3\u4ed6\u662f\u600e\u4e48\u5de5\u4f5c\u7684\u5462\uff1f\u5176\u5b9e\u4e5f\u662f\u975e\u5e38\u7b80\u5355\u7684\uff0c\u5c31\u662f\u5728\u4e00\u4e2a\u56fa\u5b9a\u7684<span style=\"color: #ff6600;\">\u65f6\u949f\u9891\u7387f<\/span>\u4e0b\u8fdb\u884c\u91c7\u6837\uff0c\u5982\u679c\u8fde\u7eed<span style=\"color: #ff6600;\">N\u4e2a\u91c7\u6837\u70b9<\/span>\u90fd\u4e3a\u76f8\u540c\u7684\u7535\u5e73\uff0c\u90a3\u5c31\u4ee3\u8868\u8f93\u5165\u4fe1\u53f7\u7a33\u5b9a\u4e86\uff0c\u5c31\u628a\u8fd9\u4e2a\u91c7\u6837\u503c\u8f93\u51fa\u51fa\u53bb\u3002\u5982\u679c\u8fd9N\u4e2a\u91c7\u6837\u503c\u4e0d\u5168\u90fd\u76f8\u540c\uff0c\u90a3\u5c31\u8bf4\u660e\u4fe1\u53f7\u6709\u6296\u52a8\uff0c\u8fd9\u65f6\u5c31\u4fdd\u6301\u4e0a\u4e00\u6b21\u7684\u8f93\u51fa\uff0c\u6216\u8005\u76f4\u63a5\u8f93\u51fa\u4f4e\u7535\u5e73\u4e5f\u884c\uff0c\u8fd9\u6837\u5c31\u80fd\u4fdd\u8bc1\u8f93\u51fa\u4fe1\u53f7\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7684\u6ee4\u6ce2\u3002\u8fd9\u91cc\u7684<span style=\"color: #ff6600;\">\u91c7\u6837\u9891\u7387f<\/span>\u548c<span style=\"color: #ff6600;\">\u91c7\u6837\u70b9\u6570N<\/span>\u90fd\u662f\u6ee4\u6ce2\u5668\u7684\u53c2\u6570\uff0c\u9891\u7387\u8d8a\u4f4e\uff0c\u91c7\u6837\u70b9\u6570\u8d8a\u591a\uff0c\u90a3\u6ee4\u6ce2\u6548\u679c\u5c31\u8d8a\u597d\uff0c\u4e0d\u8fc7\u76f8\u5e94\u7684\u4fe1\u53f7\u5ef6\u8fdf\u5c31\u8d8a\u5927\uff0c\u8fd9\u4e2a\u662f\u8fd9\u4e2a\u6ee4\u6ce2\u5668\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<p>\u73b0\u5728\u5173\u952e\u7684\u5730\u65b9\u6765\u4e86\uff0c\u8fd9\u4e2a<span style=\"color: #ff6600;\">\u91c7\u6837\u9891\u7387f<\/span>\u4ece\u54ea\u6765\uff1f\u90a3\u624b\u518c\u91cc\u5199\u7684\u662f\u4ed6\u53ef\u4ee5\u662f\u7531\u5185\u90e8\u65f6\u949f\u76f4\u63a5\u800c\u6765\uff0c\u4e5f\u53ef\u4ee5\u662f\u5185\u90e8\u65f6\u949f\u52a0\u4e00\u4e2a<span style=\"color: #ff6600;\">\u65f6\u949f\u5206\u9891<\/span>\u800c\u6765\uff0c\u90a3\u5206\u9891\u591a\u5c11\uff1f\u5c31\u662f\u7531\u6211\u4eec\u8fd9\u4e2a\u53c2\u6570TIM_ClockDivision\u51b3\u5b9a\u7684\u3002\u53ef\u89c1\u8fd9\u4e2a\u53c2\u6570\u548c\u65f6\u57fa\u5355\u5143\u5173\u7cfb\u5e76\u4e0d\u5927\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u968f\u4fbf\u914d\u4e00\u4e2a\u5c31\u884c\u4e86\uff0c\u9009\u62e9\u4e00\u5206\u9891TIM_CKD_DIV1\u5c31\u884c\u3002<\/p>\n<p><strong>TIM_CounterMode\uff1a<\/strong>\u8ba1\u6570\u5668\u6a21\u5f0f\u3002\u9009\u62e9\u5411\u4e0a\u8ba1\u6570TIM_CounterMode_Up\u3002<\/p>\n<p><strong>TIM_Period\uff1a<\/strong>\u5468\u671f\uff0c\u5c31\u662fARR\u81ea\u52a8\u91cd\u88c5\u5668\u7684\u503c\u3002<\/p>\n<p><strong>TIM_Prescale\uff1a<\/strong>\u5c31\u662fPSC\u9884\u5206\u9891\u5668\u7684\u503c\u3002<\/p>\n<p><strong>TIM_RepetitionCounter\uff1a<\/strong>\u5c31\u662f\u91cd\u590d\u8ba1\u6570\u5668\u7684\u503c\uff0c\u662f\u9ad8\u7ea7\u5b9a\u65f6\u5668\u624d\u6709\u7684\uff0c\u8fd9\u91cc\u4e0d\u9700\u8981\u7528\uff0c\u6211\u4eec\u76f4\u63a5\u7ed90\u5c31\u597d\u4e86\u3002<\/p>\n<p>\u8fd9\u4e9b\u53c2\u6570\u5c31\u662f\u65f6\u57fa\u5355\u5143\u91cc\u9762\u6bcf\u4e2a\u5173\u952e\u5bc4\u5b58\u5668\u7684\u53c2\u6570\u4e86\uff0c\u4e0d\u8fc7\u8fd9\u91cc\u5e76\u6ca1\u6709CNT\u8ba1\u6570\u5668\u7684\u53c2\u6570\u3002\u8fd9\u4e2a\u5982\u679c\u6211\u4eec\u4e4b\u540e\u9700\u8981\u7684\u8bdd\uff0c\u53ef\u4ee5\u7528\u5e93\u51fd\u6570SetCounter\u548cGetCounter\u64cd\u4f5c\u8ba1\u6570\u5668\uff0c\u7528\u4ee5\u8bfb\u5199\u8ba1\u7b97\u5668\u3002<\/p>\n<p>\u51b3\u5b9a\u5b9a\u65f6\u65f6\u95f4\u7684\u53c2\u6570\u5c31\u662f<strong>TIM_Period<\/strong>\u548c<strong>TIM_Prescale<\/strong>\uff0c\u5982\u679c\u6211\u4eec\u60f3\u5b9a\u4e00\u4e2a1s\u7684\u65f6\u95f4\uff0c\u5c31\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u8fd9\u4e2a\u516c\u5f0f\uff1a (\u81ea\u52a8\u91cd\u88c5\u5668\u7684\u503c+ 1)\/\uff08\u65f6\u949f\u9891\u7387\/\u9884\u5206\u9891\u5668\u7684\u503c+1\uff09\uff0c\u81ea\u52a8\u91cd\u88c5\u5668\u7684\u503c\u7ed910000-1\uff0c\u9884\u5206\u9891\u5668\u7684\u503c\u7ed97200-1\uff0c\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u3002\u56e0\u4e3a\u9884\u5206\u9891\u5668\u548c\u8ba1\u6570\u5668\u90fd\u67091\u4e2a\u6570\u7684\u504f\u5dee\uff0c\u6240\u4ee5\u8fd9\u91cc\u8981\u518d\u51cf\u4e2a1\u3002\u572810K\u7684\u9891\u7387\u4e0b\u8ba110000\u4e2a\u6570\uff0c\u6b63\u597d\u5c31\u662f1s\u3002<\/p>\n<p>\u6ce8\u610fPSC\u548cARR\u7684\u53d6\u503c\u8981\u57280~65535\u4e4b\u95f4\uff0c\u4e0d\u8981\u8d85\u8fc7\u8fd9\u4e2a\u8303\u56f4\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>\tTIM_TimeBaseInitTypeDef TIM_TimeBaseInitStrcture;\r\n\tTIM_TimeBaseInitStrcture.TIM_ClockDivision=TIM_CKD_DIV1; \/\/\u6307\u5b9a\u65f6\u949f\u5206\u9891\u3002\r\n\tTIM_TimeBaseInitStrcture.TIM_CounterMode=TIM_CounterMode_Up;\/\/\u6307\u5b9a\u8ba1\u6570\u5668\u6a21\u5f0f\r\n\tTIM_TimeBaseInitStrcture.TIM_Period=10000-1;\/\/\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668ARR\u7684\u503c\r\n\tTIM_TimeBaseInitStrcture.TIM_Prescaler=7200-1;\/\/\u9884\u5206\u9891\u5668PSC\u7684\u503c\r\n\tTIM_TimeBaseInitStrcture.TIM_RepetitionCounter=0;\/\/\u901a\u7528\u5b9a\u65f6\u5668\u6ca1\u6709\u91cd\u590d\u8ba1\u6570\u5668\uff0c\u586b0\r\n\tTIM_TimeBaseInit(TIM2,&amp;TIM_TimeBaseInitStrcture);<\/code><\/pre>\n<p>\u7b2c\u56db\u6b65\uff0c\u914d\u7f6e\u8f93\u51fa\u4e2d\u65ad\u63a7\u5236\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u5c31\u8981\u5f00\u59cb\u4f7f\u80fd\u66f4\u65b0\u4e2d\u65ad\u4e86\uff0cTIM_IT_Update\u662f\u66f4\u65b0\u4e2d\u65ad\u7684\u610f\u601d\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE);<\/code><\/pre>\n<p>\u8fd9\u6837\u5c31\u5f00\u542f\u4e86\u66f4\u65b0\u4e2d\u65ad\u5230NVIC\u7684\u901a\u8def\u3002<\/p>\n<p>\u7b2c\u4e94\u6b65\uff0c\u914d\u7f6eNVIC\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>\tNVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);\/\/\u9009\u62e9\u5206\u7ec42\r\n\tNVIC_InitTypeDef NVIC_InitStructure;\r\n\tNVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQn;\/\/NVIC\u901a\u9053\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\/\/\u4f7f\u80fd\u8be5\u4e2d\u65ad\u901a\u9053\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=1;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);<\/code><\/pre>\n<p>\u7b2c\u516d\u6b65\uff0c\u542f\u52a8\u5b9a\u65f6\u5668\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>TIM_Cmd(TIM2,ENABLE);<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u516d\u4e2a\u6b65\u9aa4\uff0c\u5b9a\u65f6\u5668\u5c31\u53ef\u4ee5\u5f00\u59cb\u5de5\u4f5c\u4e86\u3002\u5f53\u4ea7\u751f\u66f4\u65b0\u65f6\uff0c\u5c31\u4f1a\u89e6\u53d1\u4e2d\u65ad\uff0c\u5230\u8fd9\u91cc\uff0c\u6574\u4e2a\u5b9a\u65f6\u4e2d\u65ad\u7684\u521d\u59cb\u5316\u4ee3\u7801\u5c31\u5b8c\u6210\u4e86\u3002\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u5199\u4e2d\u65ad\u51fd\u6570\u4e86\u3002<\/p>\n<h3>\u4e2d\u65ad\u51fd\u6570<\/h3>\n<p>\u627e\u4e00\u4e0b\u542f\u52a8\u6587\u4ef6startup_stm32f10x_md.s\uff0c\u53ef\u4ee5\u627e\u5230TIM2\u7684\u4e2d\u65ad\u51fd\u6570TIM2_IRQHandler\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>void TIM2_IRQHandler(){\r\n\tif (TIM_GetITStatus(TIM2,TIM_IT_Update) == SET)\r\n\t{\r\n\t\tNum++;\r\n\t\tTIM_ClearITPendingBit(TIM2,TIM_IT_Update);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u8bbe\u7f6e\u4e2d\u65ad\u51fd\u6570\uff0c\u8868\u793a\u5b9a\u65f6\u5668\u6bcf1s\u89e6\u53d1\u4e00\u6b21\u4e2d\u65ad\u540e\uff0c\u4e2d\u65ad\u51fd\u6570\u4f7fNum\u81ea\u589e\u4e00\u6b21\u3002\u6211\u4eec\u53ea\u9700\u8981\u628aNum\u8868\u793a\u5230OLED\u5c4f\u4e0a\u5373\u53ef\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>\/\/\u4e3b\u51fd\u6570\r\n#include \"stm32f10x.h\"\r\n#include \"OLED.h\"\r\n#include \"timer.h\"\r\nint Num;\r\nint main(void){\r\n\tOLED_Init();\r\n\tTimer_Init();\r\n\tOLED_ShowString(1,6,\"AOOFOO\");\/\/\u5b57\u7b26\u4e32\r\n\tOLED_ShowString(2,1,\"Num:\");\r\n\twhile(1){\r\n\tOLED_ShowNum(2,5,Num,5);\r\n\t  \r\n\t}\r\n}<\/code><\/pre>\n<p>\u4f46\u8fd9\u4e2a\u7a0b\u5e8f\u6709\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u624b\u52a8\u590d\u4f4d\u4e00\u4e0b\u6211\u4eec\u7684\u5355\u7247\u673a\uff0c\u53ef\u4ee5\u53d1\u73b0OLED\u5c4f\u4e0a\u7684\u6570\u5b57\u662f\u4ece1\u5f00\u59cb\u8ba1\u6570\u7684\uff0c\u8fd9\u5c31\u5947\u602a\u4e86\uff0c\u6211\u4eec\u660e\u660e\u5e94\u8be5\u662f\u4ece0\u5f00\u59cb\u8ba1\u6570\uff0c\u4e3a\u4ec0\u4e48\u5c4f\u5e55\u4e0a\u662f\u4ece1\u5f00\u59cb\u7684\u5462\uff1f<\/p>\n<p>\u8fd9\u8bf4\u660e\u4e2d\u65ad\u51fd\u6570\u5728\u521d\u59cb\u5316\u540e\uff0c\u7acb\u523b\u8fdb\u5165\u4e86\u4e00\u6b21\uff0c\u4f7f\u5f97Num\u88ab\u81ea\u589e\u4e86\u4e00\u6b21\u3002\u8fd9\u600e\u4e48\u56de\u4e8b\u5462\uff1f\u8fd9\u4e2a\u95ee\u9898\u5c31\u51fa\u73b0\u5728TimeBaseInit\u51fd\u6570\uff0c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-529\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-57.png\" alt=\"\" width=\"590\" height=\"150\" \/>\u91cc\u9762\u6709\u4e00\u4e2a\u4ee3\u7801\u662f\u8fd9\u6837\u5199\u7684\uff1a\u751f\u6210\u4e00\u4e2a\u66f4\u65b0\u4e8b\u4ef6\uff0c\u6765\u91cd\u65b0\u88c5\u8f7d\u9884\u5206\u9891\u5668\u548c\u91cd\u590d\u8ba1\u6570\u5668\u7684\u503c\uff0c\u7acb\u523b\u3002\u6211\u4eec\u77e5\u9053\u9884\u5206\u9891\u5668\u662f\u6709\u4e2a\u7f13\u51b2\u5bc4\u5b58\u5668\u7684\uff0c\u6211\u4eec\u5199\u7684\u503c\u53ea\u6709\u5728\u66f4\u65b0\u4e8b\u4ef6\u65f6\uff0c\u624d\u4f1a\u771f\u6b63\u8d77\u4f5c\u7528\uff0c\u6240\u4ee5\u8fd9\u91cc\u4e3a\u4e86\u8ba9\u503c\u7acb\u523b\u8d77\u4f5c\u7528\uff0c\u5c31\u5728\u8fd9\u6700\u540e\uff0c\u624b\u52a8\u751f\u6210\u4e86\u4e00\u4e2a\u66f4\u65b0\u4e8b\u4ef6\uff0c\u8fd9\u6837\u9884\u5206\u9891\u5668\u7684\u503c\u5c31\u6709\u6548\u4e86\uff0c\u4f46\u540c\u65f6\u5b83\u7684\u526f\u4f5c\u7528\u5c31\u662f\uff0c\u66f4\u65b0\u4e8b\u4ef6\u548c\u66f4\u65b0\u4e2d\u65ad\u662f\u540c\u65f6\u53d1\u751f\u7684\uff08\u7406\u89e3\uff1a\u8fd9\u4e2a\u51fd\u6570\u4f1a\u4ea7\u751f\u4e00\u4e2a\u66f4\u65b0\u4e2d\u65ad\u548c\u4e00\u4e2a\u66f4\u65b0\u4e8b\u4ef6\uff09\uff0c\u66f4\u65b0\u4e2d\u65ad\u4f1a\u7f6e\u66f4\u65b0\u4e2d\u65ad\u6807\u5fd7\u4f4d\uff0c\u5f53\u6211\u4eec\u4e4b\u540e\u4e00\u65e6\u521d\u59cb\u5316\u5b8c\u4e86\uff0c\u66f4\u65b0\u4e2d\u65ad\u5c31\u4f1a\u7acb\u523b\u8fdb\u5165\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u521a\u4e00\u4e0a\u7535\uff0c\u5c31\u7acb\u523b\u8fdb\u5165\u4e2d\u65ad\u7684\u539f\u56e0\u3002<\/p>\n<p>\u6240\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5c31\u8981\u5728\u66f4\u65b0\u4e2d\u65ad\u4f7f\u80fd\u524d\uff0c\u6e05\u9664\u4e00\u4e0b\u66f4\u65b0\u4e2d\u65ad\u6807\u5fd7\u4f4d\uff0c\u4e0b\u9762\u662f\u4f18\u5316\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void Timer_Init(){\r\n\t\/\/\u5f00\u542f\u65f6\u949f\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE);\r\n\t\/\/\u9009\u62e9\u65f6\u57fa\u5355\u5143\u65f6\u949f\r\n\tTIM_InternalClockConfig(TIM2);\r\n\t\/\/\u914d\u7f6e\u65f6\u57fa\u5355\u5143\r\n\tTIM_TimeBaseInitTypeDef TIM_TimeBaseInitStrcture;\r\n\tTIM_TimeBaseInitStrcture.TIM_ClockDivision=TIM_CKD_DIV1; \/\/\u6307\u5b9a\u65f6\u949f\u5206\u9891\u3002\r\n\tTIM_TimeBaseInitStrcture.TIM_CounterMode=TIM_CounterMode_Up;\/\/\u6307\u5b9a\u8ba1\u6570\u5668\u6a21\u5f0f\r\n\tTIM_TimeBaseInitStrcture.TIM_Period=10000-1;\/\/\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668ARR\u7684\u503c\r\n\tTIM_TimeBaseInitStrcture.TIM_Prescaler=7200-1;\/\/\u9884\u5206\u9891\u5668PSC\u7684\u503c\r\n\tTIM_TimeBaseInitStrcture.TIM_RepetitionCounter=0;\/\/\u901a\u7528\u5b9a\u65f6\u5668\u6ca1\u6709\u91cd\u590d\u8ba1\u6570\u5668\uff0c\u586b0\r\n\t\r\n\tTIM_TimeBaseInit(TIM2,&amp;TIM_TimeBaseInitStrcture);\r\n\t \/\/ \u6e05\u9664\u66f4\u65b0\u4e2d\u65ad\u6807\u5fd7\u4f4d\r\n    TIM_ClearITPendingBit(TIM2, TIM_IT_Update);\r\n\t\r\n\t\/\/\u914d\u7f6e\u8f93\u51fa\u4e2d\u65ad\r\n\tTIM_ITConfig(TIM2,TIM_IT_Update,ENABLE);\/\/\u4f7f\u80fd\u66f4\u65b0\u4e2d\u65ad\u3002\r\n\r\n\t\/\/\u914d\u7f6eNVIC\r\n\tNVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);\/\/\u9009\u62e9\u5206\u7ec42\r\n\tNVIC_InitTypeDef NVIC_InitStructure;\r\n\tNVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQn;\/\/NVIC\u901a\u9053\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\/\/\u4f7f\u80fd\u8be5\u4e2d\u65ad\u901a\u9053\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=1;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);\r\n\t\/\/\u542f\u52a8\u5b9a\u65f6\u5668\r\n\tTIM_Cmd(TIM2,ENABLE);\r\n\t\r\n}<\/code><\/pre>\n<h2>\u5b9a\u65f6\u5668\u5916\u90e8\u65f6\u949f\u63a5\u7ebf\u56fe<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-531\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-58.png\" alt=\"\" width=\"1995\" height=\"772\" \/><\/p>\n<p>\u901a\u8fc7\u4e0a\u9762\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff0cPA0\u5f15\u811a\u5c31\u662fTIM2\u7684ETR\u5f15\u811a\uff0c\u6211\u4eec\u5c31\u5728\u8fd9\u4e2a\u5f15\u811a\u8f93\u5165\u4e00\u4e2a\u5916\u90e8\u65f6\u949f\u3002<\/p>\n<h2>\u5199\u4ee3\u7801<\/h2>\n<p>\u73b0\u5728\u6211\u4eec\u7684\u57fa\u672c\u4efb\u52a1\u8fd8\u662f\u5b9a\u65f6\u4e2d\u65ad\uff0c\u4f46\u662f\u8fd9\u4e2a\u65f6\u949f\u90e8\u5206\uff0c\u6211\u4eec\u5c31\u4e0d\u4f7f\u7528\u5185\u90e8\u65f6\u949f\u4e86\u3002\u5bf9\u4e8e\u6a21\u5757\u4e2d\u7684\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668\uff0c\u65e0\u906e\u6321\u65f6\u6a21\u5757DO\u8f93\u51fa\u4f4e\u7535\u5e73\uff0c\u906e\u6321\u65f6DO\u8f93\u51fa\u9ad8\u7535\u5e73\uff0c\u901a\u8fc7\u4f7f\u7528\u906e\u5149\u677f\u4e0d\u65ad\u5730\u906e\u6321\u62bd\u79bb\u5b9e\u73b0\u4e00\u4e2a\u5916\u90e8\u65f6\u949f\u7684\u529f\u80fd\u3002<\/p>\n<p>\u6211\u4eec\u8bbe\u8ba1\u81ea\u52a8\u91cd\u88c5\u503c\u4e3a9\uff08\u5b9e\u9645\u662f\u6ee110\u8fdb\u884c\u4e00\u6b21\u66f4\u65b0\u4e2d\u65ad\uff09\uff0c\u9884\u5206\u9891\u5668\u503c\u4e3a0\uff08\u5b9e\u9645\u662f\u4e00\u5206\u9891\uff0c\u4e0d\u5bf9\u5916\u90e8\u65f6\u949f\u4fe1\u53f7\u8fdb\u884c\u5206\u9891\uff0c\u906e\u6321\u51e0\u4e0b\u5c31\u6709\u51e0\u4e2a\u4e0a\u5347\u6cbf\uff09\u3002<\/p>\n<p>\u56e0\u4e3a\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668\u4f7f\u7528\u7684\u662fGPIOA\u7684\u5f15\u811a\uff0c\u4f7f\u7528\u524d\u8981\u5bf9GPIOA\u7684\u65f6\u949f\u8fdb\u884c\u4f7f\u80fd\uff0c\u5e76\u4e14\u914d\u7f6ePA0\u7684\u5f15\u811a\u3002<\/p>\n<p>\u8bbe\u7f6e\u597d\u4e4b\u540e\uff0c\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u8ba1\u6570\u5668\u7684\u503c\u548cNum\u7684\u503c\uff08Num\u7684\u503c\u662f\u66f4\u65b0\u4e2d\u65ad\u7684\u6b21\u6570\uff09\uff0c\u5373\u7406\u60f3\u72b6\u6001\u4e0b\uff0c\u8ba1\u6570\u5668\u8ba110\u6b21\u540e\u6e05\u96f6\uff0cNum\u503c\u52a01\u3002<\/p>\n<p>\u906e\u5149\u677f\u6ca1\u6709\u8fdb\u5165\u4e4b\u524d\uff0cPA0\u662f\u4f4e\u7535\u5e73\uff0c\u906e\u5149\u677f\u8fdb\u5165\u4e4b\u540e\uff0cPA0\u8f93\u51fa\u9ad8\u7535\u5e73\uff0c\u8fd9\u65f6\u5c31\u4f1a\u6709\u4e00\u4e2a\u4e0a\u5347\u6cbf\u3002\u8fd9\u4e2a\u4e0a\u5347\u6cbf\u8981\u600e\u4e48\u63a7\u5236\u5185\u90e8\u7684\u7535\u8def\u5462\uff1f\u8fd9\u5c31\u9700\u8981\u8fd9\u4e2a\u51fd\u6570\uff1aTIM_ETRClockMode2Config();<\/p>\n<p>\u6211\u4eec\u4e0a\u534a\u90e8\u5206\u6211\u4eec\u77e5\u9053\u65f6\u57fa\u5355\u5143\u65f6\u949f\u7684\u9009\u62e9\u6709\u516d\u4e2a\u51fd\u6570\uff0c\u8fd9\u5c31\u662f\u5bf9\u5e94\u7684\u201c\u9009\u62e9ETR\u901a\u8fc7\u5916\u90e8\u65f6\u949f\u6a21\u5f0f2\u8f93\u5165\u7684\u65f6\u949f\u201d\u7684\u51fd\u6570\uff0c\u8fd9\u4e2a\u6a21\u5f0f\u4e0b\u53ef\u4ee5\u8ba9PA0\u7684\u65f6\u949f\u4f5c\u4e3a\u65f6\u57fa\u5355\u5143\u7684\u65f6\u949f\u3002<\/p>\n<p>TIM_ETRClockMode2Config()\u4e2d\u6709\u56db\u4e2a\u53c2\u6570\u3002<\/p>\n<p>\u7b2c\u4e00\u4e2a\u662f\u9009\u62e9\u5b9a\u65f6\u5668\uff0c\u6211\u4eec\u8fd9\u91cc\u4f7f\u7528\u7684\u662fTIM2\u901a\u7528\u5b9a\u65f6\u5668\uff1b<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u662f\u7528\u4e8e\u914d\u7f6e\u5b9a\u65f6\u5668\u7684\u5916\u90e8\u89e6\u53d1\u9884\u5206\u9891\u5668\uff08External Trigger Prescaler\uff09\u3002\u8fd9\u4e2a\u53c2\u6570\u51b3\u5b9a\u4e86\u5916\u90e8\u89e6\u53d1\u4fe1\u53f7\uff08ETRP\uff09\u7684\u9891\u7387\u5982\u4f55\u88ab\u5206\u9891\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u53c2\u6570\u53ca\u5176\u542b\u4e49\uff1a<\/p>\n<p>TIM_ExtTRGPSC_OFF: \u5916\u90e8\u89e6\u53d1\u9884\u5206\u9891\u5668\u5173\u95ed\uff0cETRP\u4fe1\u53f7\u76f4\u63a5\u4f7f\u7528\uff0c\u4e0d\u8fdb\u884c\u5206\u9891\u3002<br \/>\nTIM_ExtTRGPSC_DIV2: ETRP\u4fe1\u53f7\u9891\u7387\u88ab2\u5206\u9891\u3002<br \/>\nTIM_ExtTRGPSC_DIV4: ETRP\u4fe1\u53f7\u9891\u7387\u88ab4\u5206\u9891\u3002<br \/>\nTIM_ExtTRGPSC_DIV8: ETRP\u4fe1\u53f7\u9891\u7387\u88ab8\u5206\u9891\u3002<\/p>\n<p>\u6211\u4eec\u8fd9\u91cc\u4e0d\u5bf9ETRP\u7684\u4fe1\u53f7\u8fdb\u884c\u5206\u9891\uff0c\u56e0\u4e3a\u6211\u4eec\u60f3\u906e\u6321\u4e00\u6b21\uff0c\u8ba1\u6570\u5668\u7684\u503c\u5c31\u589e\u52a01\u3002<\/p>\n<p>\u7b2c\u4e09\u4e2a\u662f\u53c2\u6570\u7528\u4e8e\u914d\u7f6e\u5b9a\u65f6\u5668\u7684\u5916\u90e8\u89e6\u53d1\u6781\u6027\uff08External Trigger Polarity\uff09\u3002\u8fd9\u4e2a\u53c2\u6570\u51b3\u5b9a\u4e86\u5916\u90e8\u89e6\u53d1\u4fe1\u53f7\uff08ETRP\uff09\u662f\u5bf9\u9ad8\u7535\u5e73\u6216\u4e0a\u5347\u6cbf\u6709\u6548\uff0c\u8fd8\u662f\u5bf9\u4f4e\u7535\u5e73\u6216\u4e0b\u964d\u6cbf\u6709\u6548\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u53c2\u6570\u53ca\u5176\u542b\u4e49\uff1a<\/p>\n<p>TIM_ExtTRGPolarity_Inverted: \u5916\u90e8\u89e6\u53d1\u4fe1\u53f7\u4e3a\u4f4e\u7535\u5e73\u6216\u4e0b\u964d\u6cbf\u65f6\u6709\u6548\u3002<br \/>\nTIM_ExtTRGPolarity_NonInverted: \u5916\u90e8\u89e6\u53d1\u4fe1\u53f7\u4e3a\u9ad8\u7535\u5e73\u6216\u4e0a\u5347\u6cbf\u65f6\u6709\u6548\u3002<\/p>\n<p>\u8fd9\u4e2a\u5c31\u770b\u81ea\u5df1\u7684\u9009\u62e9\u6765\uff0c\u5982\u679c\u4f60\u60f3\u906e\u6321\u7acb\u9a6c\u5c31\u8ba1\u6570\uff0c\u5c31\u9009\u62e9\u4e0a\u5347\u6cbf\u6709\u6548\uff1b\u5982\u679c\u4f60\u60f3\u8981\u906e\u6321\u62ff\u5f00\u540e\u518d\u8ba1\u6570\uff0c\u5c31\u9009\u62e9\u4e0b\u964d\u6cbf\u6709\u6548\u3002\u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u4e0a\u5347\u6cbf\u6709\u6548\uff0c\u5c31\u662f\u906e\u6321\u540e\u7acb\u9a6c\u8ba1\u6570\u3002<\/p>\n<p>\u7b2c\u56db\u4e2a\u53c2\u6570\u662f\u53c2\u6570\u7528\u4e8e\u914d\u7f6e\u5b9a\u65f6\u5668\u7684\u5916\u90e8\u89e6\u53d1\u6ee4\u6ce2\u5668\uff08External Trigger Filter\uff09\u3002\u8fd9\u4e2a\u53c2\u6570\u51b3\u5b9a\u4e86\u5bf9\u5916\u90e8\u89e6\u53d1\u4fe1\u53f7\u8fdb\u884c\u6ee4\u6ce2\u7684\u7ea7\u522b\uff0c\u4ece\u800c\u53ef\u4ee5\u51cf\u5c11\u566a\u58f0\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u3002\u8fd9\u4e2a\u5b9e\u9645\u4e0a\u5c31\u662f\u4e4b\u524d\u8bb2\u7684\u9009\u62e9N\u7684\u4e2a\u6570\uff0cN\u8d8a\u591a\u6ee4\u6ce2\u7684\u6548\u679c\u8d8a\u597d\uff0c\u6211\u4eec\u8fd9\u91cc\u4e0d\u9009\u62e9\u6ee4\u6ce2\uff0c\u6240\u4ee5\u51990X00\uff1b<\/p>\n<pre class=\"corepress-code-pre\"><code>TIM_ETRClockMode2Config(TIM2, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_NonInverted,0x00);<\/code><\/pre>\n<p>\u81f3\u6b64\uff0c\u5168\u90e8\u6d41\u7a0b\u5df2\u7136\u7406\u89e3\uff0c\u5199\u4ee3\u7801\u81ea\u7136\u4e0d\u5728\u8bdd\u4e0b\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void Timer_Init(){\r\n\t\/\/\u5f00\u542f\u65f6\u949f\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE);\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);\r\n\t\/\/\u914d\u7f6eGPIO\r\n\tGPIO_InitTypeDef GPIO_InitStrcture;\r\n\tGPIO_InitStrcture.GPIO_Mode=GPIO_Mode_IPU;\r\n\tGPIO_InitStrcture.GPIO_Pin=GPIO_Pin_0;\r\n\tGPIO_Init(GPIOA,&amp;GPIO_InitStrcture);\r\n\t\/\/\u9009\u62e9\u65f6\u57fa\u5355\u5143\u65f6\u949f\r\n\tTIM_ETRClockMode2Config(TIM2, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_NonInverted,0x00);\r\n\t\/\/\u914d\u7f6e\u65f6\u57fa\u5355\u5143\r\n\tTIM_TimeBaseInitTypeDef TIM_TimeBaseInitStrcture;\r\n\tTIM_TimeBaseInitStrcture.TIM_ClockDivision=TIM_CKD_DIV1; \/\/\u6307\u5b9a\u65f6\u949f\u5206\u9891\u3002\r\n\tTIM_TimeBaseInitStrcture.TIM_CounterMode=TIM_CounterMode_Up;\/\/\u6307\u5b9a\u8ba1\u6570\u5668\u6a21\u5f0f\r\n\tTIM_TimeBaseInitStrcture.TIM_Period=10-1;\/\/\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668ARR\u7684\u503c\r\n\tTIM_TimeBaseInitStrcture.TIM_Prescaler=1 - 1;\/\/\u9884\u5206\u9891\u5668PSC\u7684\u503c\r\n\tTIM_TimeBaseInitStrcture.TIM_RepetitionCounter=0;\/\/\u901a\u7528\u5b9a\u65f6\u5668\u6ca1\u6709\u91cd\u590d\u8ba1\u6570\u5668\uff0c\u586b0\r\n\t\r\n\tTIM_TimeBaseInit(TIM2,&amp;TIM_TimeBaseInitStrcture);\r\n\t \/\/ \u6e05\u9664\u66f4\u65b0\u4e2d\u65ad\u6807\u5fd7\u4f4d\r\n    TIM_ClearITPendingBit(TIM2, TIM_IT_Update);\r\n\t\r\n\t\/\/\u914d\u7f6e\u8f93\u51fa\u4e2d\u65ad\r\n\tTIM_ITConfig(TIM2,TIM_IT_Update,ENABLE);\/\/\u4f7f\u80fd\u66f4\u65b0\u4e2d\u65ad\u3002\r\n\r\n\t\/\/\u914d\u7f6eNVIC\r\n\tNVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);\/\/\u9009\u62e9\u5206\u7ec42\r\n\tNVIC_InitTypeDef NVIC_InitStructure;\r\n\tNVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQn;\/\/NVIC\u901a\u9053\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\/\/\u4f7f\u80fd\u8be5\u4e2d\u65ad\u901a\u9053\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=1;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);\r\n\t\/\/\u542f\u52a8\u5b9a\u65f6\u5668\r\n\tTIM_Cmd(TIM2,ENABLE);\r\n\t\r\n}<\/code><\/pre>\n<p>\u4e2d\u65ad\u51fd\u6570\u4ee3\u7801\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void TIM2_IRQHandler(){\r\n\tif (TIM_GetITStatus(TIM2,TIM_IT_Update) == SET)\r\n\t{\r\n\t\tNum++;\r\n\t\tTIM_ClearITPendingBit(TIM2,TIM_IT_Update);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u903b\u8f91\u51fd\u6570\u4ee3\u7801\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>#include \"stm32f10x.h\"\r\n#include \"OLED.h\"\r\n#include \"timer.h\"\r\nint Num;\r\nint main(void){\r\n\tOLED_Init();\r\n\tTimer_Init();\r\n\tOLED_ShowString(1,6,\"AOOFOO\");\/\/\u5b57\u7b26\u4e32\r\n\tOLED_ShowString(2,1,\"Num:\");\r\n\twhile(1){\r\n\tOLED_ShowNum(2,5,Num,5);\r\n\tOLED_ShowNum(3,5,TIM_GetCounter(TIM2),5);\r\n\t}\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9a\u65f6\u5668\u5185\u90e8\u4e2d\u65ad\u63a5\u7ebf\u56fe \u53ea\u9700\u8981\u5728STM32\u6700\u5c0f\u7cfb\u7edf\u677f\u4e0a\u63d2\u5165OLED\u5c4f\u5e55\u5c31\u884c\u4e86\uff0c\u56e0\u4e3a\u5b9a\u65f6\u5668\u548c\u4e2d\u65ad\u7cfb\u7edf\u7684\u7535\u8def\u90fd\u5728ST [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-506","post","type-post","status-publish","format-standard","hentry","category-stm32"],"_links":{"self":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/comments?post=506"}],"version-history":[{"count":14,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/506\/revisions"}],"predecessor-version":[{"id":533,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/506\/revisions\/533"}],"wp:attachment":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/media?parent=506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/categories?post=506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/tags?post=506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}