{"id":1083,"date":"2024-10-14T15:42:33","date_gmt":"2024-10-14T07:42:33","guid":{"rendered":"https:\/\/aoofoo.com\/?p=1083"},"modified":"2024-10-15T13:42:13","modified_gmt":"2024-10-15T05:42:13","slug":"2-42-%e8%af%bb%e5%86%99%e5%a4%87%e4%bb%bd%e5%af%84%e5%ad%98%e5%99%a8%e5%ae%9e%e6%97%b6%e6%97%b6%e9%92%9f","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/10\/14\/2-42-%e8%af%bb%e5%86%99%e5%a4%87%e4%bb%bd%e5%af%84%e5%ad%98%e5%99%a8%e5%ae%9e%e6%97%b6%e6%97%b6%e9%92%9f\/","title":{"rendered":"2.42 \u8bfb\u5199\u5907\u4efd\u5bc4\u5b58\u5668&#038;\u5b9e\u65f6\u65f6\u949f"},"content":{"rendered":"<h2>BKP\u5907\u4efd\u5bc4\u5b58\u5668<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1084\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/10\/1-13.png\" alt=\"\" width=\"593\" height=\"211\" \/><\/p>\n<h3>BKP\u7684\u521d\u59cb\u5316<\/h3>\n<p>\u6839\u636e\u4e0a\u4e00\u6240\u5b66\u4e60\uff0cBKP\u60f3\u8981\u4f7f\u80fd\uff0c\u5fc5\u987b\u5f00\u542fPWR\u548cBKP\u7684\u65f6\u949f\uff0c\u7136\u540e\u4f7f\u7528PWR\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u80fd\u5bf9BKP\u548cRTC\u7684\u8bbf\u95ee\u3002\u5199\u5165\u6570\u636e\u7684\u8bdd\uff0c\u6709\u4e2aBKP\u4e00\u4e2a\u5199\u5165\u7684\u51fd\u6570\uff0c\u8bfb\u53d6\u6570\u636e\uff0cBKP\u4e5f\u6709\u4e2a\u8bfb\u53d6\u7684\u51fd\u6570\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5927\u4f53\u7684\u601d\u8def\uff0c\u4e0b\u9762\u662fBKP\u7684\u5e93\u51fd\u6570\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>BKP\u5e93\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void BKP_DeInit(void);\/\/\u624b\u52a8\u6e05\u7a7aBKP\u6240\u6709\u7684\u6570\u636e\u5bc4\u5b58\u5668\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0b\u9762\u4e24\u4e2a\u51fd\u6570\u662f\u7528\u6765\u914d\u7f6eTAMPER\u4fb5\u5165\u68c0\u6d4b\u529f\u80fd\u7684\u3002<\/p>\n<p>void BKP_TamperPinLevelConfig(uint16_t BKP_TamperPinLevel);\/\/\u914d\u7f6eTAMPER\u5f15\u811a\u7684\u6709\u6548\u7535\u5e73\uff0c\u5c31\u662f\u9ad8\u7535\u5e73\u89e6\u53d1\u8fd8\u662f\u4f4e\u7535\u5e73\u89e6\u53d1\u3002<br \/>\nvoid BKP_TamperPinCmd(FunctionalState NewState);\/\/\u5c31\u662f\u662f\u5426\u5f00\u542f\u4fb5\u5165\u68c0\u6d4b\u529f\u80fd\uff0c\u5982\u679c\u9700\u8981\u7684\u8bdd\uff0c\u5c31\u8981\u5148\u914d\u7f6eTAMPER\u6709\u6548\u7535\u5e73\uff0c\u518d\u4f7f\u80fd\u4fb5\u5165\u68c0\u6d4b\u529f\u80fd\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>void BKP_ITConfig(FunctionalState NewState);\/\/\u4e2d\u7aef\u914d\u7f6e\uff0c\u662f\u5426\u5f00\u542f\u4e2d\u65ad\u3002<\/p>\n<p>void BKP_RTCOutputConfig(uint16_t BKP_RTCOutputSource);\/\/\u65f6\u949f\u8f93\u51fa\u529f\u80fd\u914d\u7f6e\uff0c\u53ef\u4ee5\u9009\u62e9\u5728RTC\u5f15\u811a\u4e0a\u8f93\u51fa\u65f6\u949f\u4fe1\u53f7\uff0c\u8f93\u51faRTC\u6821\u51c6\u65f6\u949f\u3001RTC\u95f9\u949f\u8109\u51b2\u6216\u8005\u79d2\u8109\u51b2\u3002<\/p>\n<p>void BKP_SetRTCCalibrationValue(uint8_t CalibrationValue);\/\/\u8bbe\u7f6eRTC\u6821\u51c6\u503c\u3002\u5c31\u662f\u5199\u5165RTC\u6821\u51c6\u5bc4\u5b58\u5668\u3002<\/p>\n<p>void BKP_WriteBackupRegister(uint16_t BKP_DR, uint16_t Data);\/\/\u5199\u5907\u4efd\u5bc4\u5b58\u5668\uff0c\u7b2c1\u4e2a\u53c2\u6570\u662f\u8981\u6307\u5b9a\u4f60\u8981\u5199\u5728\u54ea\u4e2aDR\u4e2d\uff0c\u7b2c2\u4e2a\u53c2\u6570\u5c31\u662f\u8981\u5199\u5165\u7684\u6570\u636e\u4e86\u3002<br \/>\nuint16_t BKP_ReadBackupRegister(uint16_t BKP_DR);\/\/\u8bfb\u5907\u4efd\u5bc4\u5b58\u5668\uff0c\u53c2\u6570\u6307\u5b9a\u8981\u8bfb\u54ea\u4e2aDR\u3002<\/p>\n<p>\u4e0b\u9762\u8fd9\u56db\u4e2a\u51fd\u6570\u5e2e\u52a9\u7ba1\u7406\u5907\u4efd\u5bc4\u5b58\u5668\u7684\u72b6\u6001\u548c\u4e2d\u65ad\uff1a<br \/>\nFlagStatus BKP_GetFlagStatus(void);<br \/>\nvoid BKP_ClearFlag(void);<br \/>\nITStatus BKP_GetITStatus(void);<br \/>\nvoid BKP_ClearITPendingBit(void);<\/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>PWR\u5e93\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void PWR_DeInit(void);<br \/>\nvoid PWR_BackupAccessCmd(FunctionalState NewState);\/\/\u5907\u4efd\u5bc4\u5b58\u5668\u8bbf\u95ee\u4f7f\u80fd\uff0c\u8bbe\u7f6ePWR_CR\u5bc4\u5b58\u5668\u91cc\u7684DBP\u4f4d\u3002<br \/>\nvoid PWR_PVDCmd(FunctionalState NewState);<br \/>\nvoid PWR_PVDLevelConfig(uint32_t PWR_PVDLevel);<br \/>\nvoid PWR_WakeUpPinCmd(FunctionalState NewState);<br \/>\nvoid PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry);<br \/>\nvoid PWR_EnterSTANDBYMode(void);<br \/>\nFlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG);<br \/>\nvoid PWR_ClearFlag(uint32_t PWR_FLAG);<\/p>\n<p><\/div><\/div><\/div>\n<pre class=\"corepress-code-pre\"><code>\/\/\u5199\u5165\u6570\u7ec4\r\nuint16_t ArrayWrite[] = {0x1234,0x5678};\r\n\/\/\u8bfb\u53d6\u6570\u7ec4\r\nuint16_t ArrayRead[2]; \r\n\/\/\u5b58\u653e\u952e\u503c\u7684\u53d8\u91cf \r\nuint8_t KeyNum;\r\n\r\nint main(void)\r\n{\r\n\tOLED_Init();\r\n\tKey_Init();\r\n\t\r\n\tOLED_ShowString(1,1,\"W:\");\r\n\tOLED_ShowString(2,1,\"R:\");\r\n\t\r\n\t\/\/\u5f00\u542fPWR\u548cBKP\u7684\u65f6\u949f\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP,ENABLE);\r\n\t\/\/\u4f7f\u80fd\u5bf9BKP\u548cRTC\u7684\u8bbf\u95ee\r\n\tPWR_BackupAccessCmd(ENABLE);\r\n\t\r\n\twhile(1)\r\n\t{ \r\n\t\tKeyNum = Key_GetNum();\r\n\t\tif(KeyNum == 1)\r\n\t\t{\r\n\t\t\tBKP_WriteBackupRegister(BKP_DR1, ArrayWrite[0]);\r\n\t\t\tBKP_WriteBackupRegister(BKP_DR2, ArrayWrite[1]);\r\n\t\t\tOLED_ShowHexNum(1,3,ArrayWrite[0],4);\r\n\t\t\tOLED_ShowHexNum(1,8,ArrayWrite[1],4);\r\n\t\t\t\r\n\t\t\t\r\n\t\t\tArrayWrite[0]++;\r\n\t\t\tArrayWrite[1]++;\r\n\t\t}\r\n\t\t\r\n\t\tArrayRead[0] = BKP_ReadBackupRegister(BKP_DR1);\r\n\t\tArrayRead[1] = BKP_ReadBackupRegister(BKP_DR2);\r\n\t\tOLED_ShowHexNum(2,3,ArrayRead[0],4);\r\n\t\tOLED_ShowHexNum(2,8,ArrayRead[1],4);\r\n\t}\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2>RTC\u5b9e\u65f6\u65f6\u949f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1077\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/10\/1-10.png\" alt=\"\" width=\"1069\" height=\"432\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a<\/p>\n<p>\u5728\u4f7f\u7528RTC\u5916\u8bbe\u4e4b\u524d\uff0c\u548cBKP\u4e00\u6837\uff0c\u8981\u5f00\u542fPWR\u548cBKP\u7684\u65f6\u949f\uff0c\u5e76\u4e14\u4f7f\u80fdBKP\u548cRTC\u7684\u8bbf\u95ee\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff1a<\/p>\n<p>\u542f\u52a8RTC\u7684\u65f6\u949f\uff0c\u6211\u4eec\u8ba1\u5212\u4f7f\u7528LSE\u4f5c\u4e3a\u7cfb\u7edf\u65f6\u949f\uff0c\u6211\u4eec\u8981\u4f7f\u7528RCC\u6a21\u5757\u91cc\u7684\u51fd\u6570\uff0c\u5f00\u542fLSE\u7684\u65f6\u949f\u3002\u8fd9\u4e2aLSE\u65f6\u949f\u4e3a\u4e86\u7701\u7535\uff0c\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\uff1a<\/p>\n<p>\u914d\u7f6eRTCCLK\u8fd9\u4e2a\u6570\u636e\u9009\u62e9\u5668\uff0c\u6307\u5b9aLSE\u4e3aRTCCLK\u3002<\/p>\n<p>\u7b2c\u56db\u6b65\uff1a<\/p>\n<p>\u8c03\u7528\u4e24\u4e2a\u7b49\u5f85\u51fd\u6570\uff0c\u4e00\u4e2a\u662f\u7b49\u5f85\u540c\u6b65\uff0c\u53e6\u4e00\u4e2a\u662f\u7b49\u5f85\u4e0a\u4e00\u6b21\u64cd\u4f5c\u5b8c\u6210\u3002<\/p>\n<p>\u7b2c\u4e94\u6b65\uff1a<\/p>\n<p>\u914d\u7f6e\u9884\u5206\u9891\u5668\uff0c\u7ed9PRL\u91cd\u88c5\u5bc4\u5b58\u5668\u4e00\u4e2a\u5408\u9002\u7684\u5206\u9891\u503c\uff0c\u4ee5\u786e\u4fdd\u8f93\u51fa\u7ed9\u8ba1\u6570\u5668\u7684\u9891\u7387\u662f1Hz\u3002<\/p>\n<p>\u7b2c\u516d\u6b65\uff1a<\/p>\n<p>\u914d\u7f6eCNT\u7684\u503c\uff0c\u7ed9RTC\u4e00\u4e2a\u521d\u59cb\u65f6\u95f4\u3002\u5982\u679c\u4f60\u9700\u8981\u95f9\u949f\u7684\u8bdd\uff0c\u53ef\u4ee5\u914d\u7f6e\u95f9\u949f\u503c\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>RCC\u5e93\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>\u770b\u51e0\u4e2aRCC\u65f6\u949f\u914d\u7f6e\u51fd\u6570\uff1a<\/p>\n<p>void RCC_LSEConfig(uint8_t RCC_LSE);\/\/\u914d\u7f6eLSE\u5916\u90e8\u4f4e\u901f\u65f6\u949f\uff08\u542f\u52a8LSE\uff09\u3002<\/p>\n<p>void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource);\/\/RTCCLK\u914d\u7f6e\uff0c\u7528\u6765\u9009\u62e9RTCCLK\u65f6\u949f\u6e90\u3002<\/p>\n<p>void RCC_RTCCLKCmd(FunctionalState NewState);\/\/\u542f\u52a8RTCCLK\uff0c\u4f7f\u80fdRTCCLK\u3002<\/p>\n<p>FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG);\/\/\u83b7\u53d6\u6807\u5fd7\u4f4d\u3002\u56e0\u4e3aLSE\u65f6\u949f\uff0c\u4e0d\u662f\u4f60\u8ba9\u4ed6\u542f\u52a8\uff0c\u90a3\u5c31\u80fd\u7acb\u523b\u542f\u52a8\u7684\uff0c\u8c03\u7528\u8fd9\u4e2a\u542f\u52a8\u65f6\u949f\u51fd\u6570\u4e4b\u540e\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u7b49\u5f85\u4e00\u4e0b\u6807\u5fd7\u4f4d\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>RTC\u5e93\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState);\/\/\u914d\u7f6e\u4e2d\u65ad\u8f93\u51fa<br \/>\nvoid RTC_EnterConfigMode(void);\/\/\u8fdb\u5165\u914d\u7f6e\u6a21\u5f0f<br \/>\nvoid RTC_ExitConfigMode(void);\/\/\u9000\u51fa\u914d\u7f6e\u6a21\u5f0f<br \/>\nuint32_t RTC_GetCounter(void);\/\/\u83b7\u53d6CNT\u8ba1\u6570\u5668\u7684\u503c<br \/>\nvoid RTC_SetCounter(uint32_t CounterValue);\/\/\u5199\u5165CNT\u8ba1\u6570\u5668\u7684\u503c<br \/>\nvoid RTC_SetPrescaler(uint32_t PrescalerValue);\/\/\u5199\u5165\u9884\u5206\u9891\u5668\uff0c\u8fd9\u4e2a\u503c\u4f1a\u5199\u5165\u5230\u9884\u5206\u9891\u5668\u7684PRL\u91cd\u88c5\u5bc4\u5b58\u5668\u4e2d\uff0c\u7528\u6765\u914d\u7f6e\u9884\u5206\u9891\u5668\u7684\u5206\u9891\u7cfb\u6570<br \/>\nvoid RTC_SetAlarm(uint32_t AlarmValue);\/\/\u5199\u5165\u95f9\u949f\u503c<br \/>\nuint32_t RTC_GetDivider(void);\/\/\u8bfb\u53d6\u9884\u5206\u9891\u5668\u4e2d\u7684DIV\u4f59\u6570\u5bc4\u5b58\u5668\uff0c\u4f59\u6570\u5bc4\u5b58\u5668\u662f\u4e00\u4e2a\u81ea\u51cf\u8ba1\u6570\u5668\uff0c\u83b7\u53d6\u4f59\u6570\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u4e00\u822c\u662f\u4e3a\u4e86\u5f97\u5230\u66f4\u7ec6\u81f4\u7684\u65f6\u95f4<br \/>\nvoid RTC_WaitForLastTask(void);\/\/\u7b49\u5f85\u4e0a\u6b21\u64cd\u4f5c\u5b8c\u6210<br \/>\nvoid RTC_WaitForSynchro(void);\/\/\u7b49\u5f85\u540c\u6b65<\/p>\n<p>\u4e0b\u9762\u56db\u4e2a\u51fd\u6570\u662f\u7b49\u5f85\u6807\u5fd7\u4f4d\u7684\u51fd\u6570\uff1a<\/p>\n<p>FlagStatus RTC_GetFlagStatus(uint16_t RTC_FLAG);<br \/>\nvoid RTC_ClearFlag(uint16_t RTC_FLAG);<br \/>\nITStatus RTC_GetITStatus(uint16_t RTC_IT);<br \/>\nvoid RTC_ClearITPendingBit(uint16_t RTC_IT);<\/p>\n<p><\/div><\/div><\/div>\n<pre class=\"corepress-code-pre\"><code>void MyRTC_Init(void)\r\n{\r\n\t\/\/\u5728\u4f7f\u7528RTC\u5916\u8bbe\u4e4b\u524d\uff0c\u548cBKP\u4e00\u6837\uff0c\u8981\u5f00\u542fPWR\u548cBKP\u7684\u65f6\u949f\uff0c\u5e76\u4e14\u4f7f\u80fdBKP\u548cRTC\u7684\u8bbf\u95ee\u3002\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP,ENABLE);\r\n\tPWR_BackupAccessCmd(ENABLE);\r\n\t\r\n\t\/\/\u5f00\u542fLSE\u65f6\u949f\uff0c\u5e76\u7b49\u5f85LSE\u65f6\u949f\u542f\u52a8\u5b8c\u6210\r\n\tRCC_LSEConfig(RCC_LSE_ON);\r\n\twhile(RCC_GetFlagStatus(RCC_FLAG_LSERDY) != SET);\r\n\t\r\n\t\/\/\u9009\u62e9RTCCLK\u65f6\u949f\u6e90,\u4f7f\u80fd\u65f6\u949f\r\n\tRCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);\r\n\tRCC_RTCCLKCmd(ENABLE);\r\n\t\r\n\t\/\/\u6211\u4eec\u8981\u8c03\u7528\u4e24\u4e2a\u7b49\u5f85\u51fd\u6570\uff0c\u4e00\u4e2a\u662f\u7b49\u5f85\u540c\u6b65\uff0c\u53e6\u4e00\u4e2a\u662f\u7b49\u5f85\u4e0a\u4e00\u6b21\u5199\u5165\u64cd\u4f5c\u5b8c\u6210\u3002\r\n\t\/\/\u8fd9\u4e24\u884c\u4ee3\u7801\u662f\u4e00\u4e2a\u5b89\u5168\u4fdd\u969c\uff0c\u9632\u6b62\u56e0\u4e3a\u65f6\u949f\u4e0d\u540c\u6b65\u9020\u6210\u7684BUG\u3002\r\n\tRTC_WaitForSynchro();\/\/\u7b49\u5f85\u540c\u6b65\uff0c\u5c31\u662f\u7a0b\u5e8f\u521a\u5f00\u59cb\u7684\u65f6\u5019\u8c03\u7528\u4e00\u4e0b\u3002\r\n\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u4e0a\u6b21\u64cd\u4f5c\u5b8c\u6210\r\n\t\r\n\t\/\/\u914d\u7f6e\u9884\u5206\u9891\u5668\r\n\tRTC_SetPrescaler(32768 - 1);\/\/LSE\u7684\u9891\u7387\u662f32768Hz\uff0c\u8fdb\u884c32768\u5206\u9891\u5c31\u662f1Hz\u4e86\uff0c\u51cf1\u662f\u56e0\u4e3a\u8ba1\u6570\u5668\u7684\u503c\u5305\u542b0.\r\n\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u64cd\u4f5c\u5b8c\u6210\r\n\t\r\n\t\/\/\u8bbe\u7f6e\u521d\u59cb\u65f6\u95f4\r\n\tRTC_SetCounter(1672588795); \/\/2023\u5e741\u67081\u65e5\r\n\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u64cd\u4f5c\u5b8c\u6210\r\n\t\r\n\t\/\/\u5230\u8fd9\u91ccRTC\u7684\u521d\u59cb\u5316\u6b65\u9aa4\u5c31\u5b8c\u6210\u4e86\uff0cCNT\u7684\u503c\u5c31\u4f1a\u4ece1672588795\u79d2\u5f00\u59cb\uff0c\u4ee51s\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u4e0d\u65ad\u81ea\u589e\u3002\u6211\u4eec\u8bfb\u53d6CNT\u5c31\u80fd\u83b7\u53d6\u65f6\u95f4\u4e86\u3002\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u9762\u662f\u521d\u59cb\u5316\u7684\u51fd\u6570\u4ee3\u7801\uff0c\u63a5\u4e0b\u6765\u5199\u903b\u8f91\u51fd\u6570\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>uint16_t MyRTC_Time[] = {2023,1,1,23,59,55};\r\nvoid MyRTC_SetTime()\r\n{\r\n\ttime_t time_cnt;\r\n\tstruct tm time_data;\r\n\ttime_data.tm_year = MyRTC_Time[0] - 1900;\r\n\ttime_data.tm_mon = MyRTC_Time[1] - 1;\r\n\ttime_data.tm_mday = MyRTC_Time[2];\r\n\ttime_data.tm_hour = MyRTC_Time[3];\r\n\ttime_data.tm_min = MyRTC_Time[4];\r\n\ttime_data.tm_sec = MyRTC_Time[5];\r\n\t\r\n\ttime_cnt = mktime(&amp;time_data);\r\n\t\r\n\tRTC_SetCounter(time_cnt);\r\n\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u64cd\u4f5c\u5b8c\u6210\r\n}\r\n\r\nvoid MyRTC_ReadTime(void)\r\n{\r\n\ttime_t time_cnt;\r\n\tstruct tm time_data;\r\n\t\r\n\ttime_cnt = RTC_GetCounter();\/\/\u8bfb\u53d6CNT\u7684\u79d2\u6570\r\n\ttime_data = *localtime(&amp;time_cnt);\r\n\tMyRTC_Time[0] = time_data.tm_year+1900;\r\n\tMyRTC_Time[1] = time_data.tm_mon +1;\r\n    MyRTC_Time[2] = time_data.tm_mday;\r\n    MyRTC_Time[3] = time_data.tm_hour;\r\n    MyRTC_Time[4] = time_data.tm_min ;\r\n    MyRTC_Time[5] = time_data.tm_sec ;\r\n\t\t\t\t\t\t \r\n}\r\n<\/code><\/pre>\n<p>\u4e3b\u903b\u8f91\u51fd\u6570\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>int main(void)\r\n{\r\n\tOLED_Init();\r\n\tMyRTC_Init();\r\n\t\r\n\tOLED_ShowString(1,1,\"Data:XXXX-XX-XX\");\r\n\tOLED_ShowString(2,1,\"Time:XX:XX:XX\");\r\n\tOLED_ShowString(3,1,\"CNT:\");\r\n\t\r\n\twhile(1)\r\n\t{\r\n\t\tMyRTC_ReadTime();\r\n\t\t\r\n\t\tOLED_ShowNum(1,6,MyRTC_Time[0],4);\r\n\t\tOLED_ShowNum(1,11,MyRTC_Time[1],2);\r\n\t\tOLED_ShowNum(1,14,MyRTC_Time[2],2);\r\n\t\t\r\n\t\tOLED_ShowNum(2,6,MyRTC_Time[3],2);\r\n\t\tOLED_ShowNum(2,9,MyRTC_Time[4],2);\r\n\t\tOLED_ShowNum(2,12,MyRTC_Time[5],2);\r\n\t\t\r\n\t\tOLED_ShowNum(3,5,RTC_GetCounter(),10);\r\n\t\t\r\n\t}\r\n\t\r\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u5c31\u53ef\u4ee5\u663e\u793a\u65f6\u95f4\u4e86\u3002<\/p>\n<p>\u5230\u6700\u540e\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u53d1\u73b0\u4e00\u4e2a\u201cBUG\u201d\uff0c\u90a3\u5c31\u662f\u6bcf\u6b21\u590d\u4f4d\uff0cRTC\u90fd\u4f1a\u91cd\u65b0\u8ba1\u6570\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728\u6211\u4eec\u7684RTC\u521d\u59cb\u5316\u51fd\u6570\u4e2d\uff0c\u6ca1\u6709\u8fdb\u884c\u5bf9\u5e94\u7684\u5224\u65ad\uff0c\u5bfc\u81f4\u6bcf\u4e00\u6b21\u90fd\u4f1a\u91cd\u65b0\u8bbe\u7f6eRTC\u7684\u6570\u503c\uff0c\u4e0b\u9762\u662f\u6539\u8fdb\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void MyRTC_Init(void)\r\n{\r\n\t\/\/\u5728\u4f7f\u7528RTC\u5916\u8bbe\u4e4b\u524d\uff0c\u548cBKP\u4e00\u6837\uff0c\u8981\u5f00\u542fPWR\u548cBKP\u7684\u65f6\u949f\uff0c\u5e76\u4e14\u4f7f\u80fdBKP\u548cRTC\u7684\u8bbf\u95ee\u3002\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);\r\n\tRCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP,ENABLE);\r\n\tPWR_BackupAccessCmd(ENABLE);\r\n\t\r\n\t\r\n\t\r\n\tif(BKP_ReadBackupRegister(BKP_DR1) != 0XA5A5)\r\n\t{\r\n\t\t\/\/\u5f00\u542fLSE\u65f6\u949f\uff0c\u5e76\u7b49\u5f85LSE\u65f6\u949f\u542f\u52a8\u5b8c\u6210\r\n\t\tRCC_LSEConfig(RCC_LSE_ON);\r\n\t\twhile(RCC_GetFlagStatus(RCC_FLAG_LSERDY) != SET);\r\n\t\r\n\t\t\/\/\u9009\u62e9RTCCLK\u65f6\u949f\u6e90,\u4f7f\u80fd\u65f6\u949f\r\n\t\tRCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);\r\n\t\tRCC_RTCCLKCmd(ENABLE);\r\n\t\r\n\t\t\/\/\u6211\u4eec\u8981\u8c03\u7528\u4e24\u4e2a\u7b49\u5f85\u51fd\u6570\uff0c\u4e00\u4e2a\u662f\u7b49\u5f85\u540c\u6b65\uff0c\u53e6\u4e00\u4e2a\u662f\u7b49\u5f85\u4e0a\u4e00\u6b21\u5199\u5165\u64cd\u4f5c\u5b8c\u6210\u3002\r\n\t\t\/\/\u8fd9\u4e24\u884c\u4ee3\u7801\u662f\u4e00\u4e2a\u5b89\u5168\u4fdd\u969c\uff0c\u9632\u6b62\u56e0\u4e3a\u65f6\u949f\u4e0d\u540c\u6b65\u9020\u6210\u7684BUG\u3002\r\n\t\tRTC_WaitForSynchro();\/\/\u7b49\u5f85\u540c\u6b65\uff0c\u5c31\u662f\u7a0b\u5e8f\u521a\u5f00\u59cb\u7684\u65f6\u5019\u8c03\u7528\u4e00\u4e0b\u3002\r\n\t\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u4e0a\u6b21\u64cd\u4f5c\u5b8c\u6210\r\n\t\r\n\t\t\/\/\u914d\u7f6e\u9884\u5206\u9891\u5668\r\n\t\tRTC_SetPrescaler(32768 - 1);\/\/LSE\u7684\u9891\u7387\u662f32768Hz\uff0c\u8fdb\u884c32768\u5206\u9891\u5c31\u662f1Hz\u4e86\uff0c\u51cf1\u662f\u56e0\u4e3a\u8ba1\u6570\u5668\u7684\u503c\u5305\u542b0.\r\n\t\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u64cd\u4f5c\u5b8c\u6210\r\n\t\r\n\t\t\/\/\u8bbe\u7f6e\u521d\u59cb\u65f6\u95f4\r\n\t\tMyRTC_SetTime();\r\n\t\t\r\n\t\t\/\/\u5199\u5165BKP_DR1\u7684\u6570\u503cA5A5\uff0c\u4f7f\u5f97MPU\u590d\u4f4d\u4f46\u4e0d\u5f71\u54cdRTC\u7ee7\u7eed\u8ba1\u6570\r\n\t\tBKP_WriteBackupRegister(BKP_DR1,0XA5A5);\r\n\t\t\r\n\t\t\/\/\u5230\u8fd9\u91ccRTC\u7684\u521d\u59cb\u5316\u6b65\u9aa4\u5c31\u5b8c\u6210\u4e86\uff0cCNT\u7684\u503c\u5c31\u4f1a\u4ece1672588795\u79d2\u5f00\u59cb\uff0c\u4ee51s\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u4e0d\u65ad\u81ea\u589e\u3002\u6211\u4eec\u8bfb\u53d6CNT\u5c31\u80fd\u83b7\u53d6\u65f6\u95f4\u4e86\u3002\r\n\t}\r\n\telse\r\n\t{\r\n\t\t\/\/\u6211\u4eec\u8981\u8c03\u7528\u4e24\u4e2a\u7b49\u5f85\u51fd\u6570\uff0c\u4e00\u4e2a\u662f\u7b49\u5f85\u540c\u6b65\uff0c\u53e6\u4e00\u4e2a\u662f\u7b49\u5f85\u4e0a\u4e00\u6b21\u5199\u5165\u64cd\u4f5c\u5b8c\u6210\u3002\r\n\t\t\/\/\u8fd9\u4e24\u884c\u4ee3\u7801\u662f\u4e00\u4e2a\u5b89\u5168\u4fdd\u969c\uff0c\u9632\u6b62\u56e0\u4e3a\u65f6\u949f\u4e0d\u540c\u6b65\u9020\u6210\u7684BUG\u3002\r\n\t\tRTC_WaitForSynchro();\/\/\u7b49\u5f85\u540c\u6b65\uff0c\u5c31\u662f\u7a0b\u5e8f\u521a\u5f00\u59cb\u7684\u65f6\u5019\u8c03\u7528\u4e00\u4e0b\u3002\r\n\t\tRTC_WaitForLastTask();\/\/\u7b49\u5f85\u4e0a\u6b21\u64cd\u4f5c\u5b8c\u6210\r\n\t}\r\n\t\r\n\t\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>BKP\u5907\u4efd\u5bc4\u5b58\u5668 BKP\u7684\u521d\u59cb\u5316 \u6839\u636e\u4e0a\u4e00\u6240\u5b66\u4e60\uff0cBKP\u60f3\u8981\u4f7f\u80fd\uff0c\u5fc5\u987b\u5f00\u542fPWR\u548cBKP\u7684\u65f6\u949f\uff0c\u7136\u540e\u4f7f\u7528PWR [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1083","post","type-post","status-publish","format-standard","hentry","category-stm32"],"_links":{"self":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1083","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=1083"}],"version-history":[{"count":6,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1083\/revisions"}],"predecessor-version":[{"id":1090,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1083\/revisions\/1090"}],"wp:attachment":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/media?parent=1083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/categories?post=1083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/tags?post=1083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}