{"id":123582,"date":"2026-11-07T18:25:31","date_gmt":"2026-11-07T10:25:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/123582.html"},"modified":"2026-11-07T18:25:31","modified_gmt":"2026-11-07T10:25:31","slug":"stm32%e5%86%85%e9%83%a8flash%ef%bc%88stm32%e6%a0%87%e5%87%86%e5%ba%93%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/123582.html","title":{"rendered":"STM32\u5185\u90e8FLASH\uff08STM32\u6807\u51c6\u5e93\u5b66\u4e60\u7b14\u8bb0\uff09"},"content":{"rendered":"

\u5728\u4e0a\u4e00\u7ae0\u300aSTM32\u6807\u51c6\u5e93\u5b66\u4e60\u7b14\u8bb0\u300b\u4e2d，\u6211\u4eec\u5b66\u4e60\u4e86 WDG \u770b\u95e8\u72d7，\u638c\u63e1\u4e86\u5982\u4f55\u901a\u8fc7\u72ec\u7acb\u770b\u95e8\u72d7\u548c\u7a97\u53e3\u770b\u95e8\u72d7\u6765\u76d1\u63a7\u7a0b\u5e8f\u8fd0\u884c\u3001\u5728\u7cfb\u7edf\u8dd1\u98de\u65f6\u53ca\u65f6\u590d\u4f4d，\u4ece\u800c\u63d0\u5347\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u3002\u672c\u7ae0\u6211\u4eec\u628a\u76ee\u5149\u8f6c\u5411\u53e6\u4e00\u5757\u540c\u6837\u91cd\u8981\u7684\u7247\u4e0a\u8d44\u6e90\u2014\u2014STM32 \u7684\u5185\u90e8 FLASH\u3002<\/p>\n

FLASH \u662f STM32 \u5b58\u653e\u7a0b\u5e8f\u4ee3\u7801\u7684\u5730\u65b9，\u4f46\u5b83\u5e76\u4e0d\u53ea\u662f\u201c\u53ea\u8bfb\u201d\u7684\u4ee3\u7801\u4ed3\u5e93：\u5229\u7528\u7a0b\u5e8f\u5b58\u50a8\u5668\u4e2d\u5269\u4f59\u7684\u7a7a\u95f4，\u6211\u4eec\u53ef\u4ee5\u4fdd\u5b58\u6389\u7535\u4e0d\u4e22\u5931\u7684\u7528\u6237\u6570\u636e，\u4f8b\u5982\u7cfb\u7edf\u914d\u7f6e\u53c2\u6570\u3001\u6821\u51c6\u7cfb\u6570\u3001\u8fd0\u884c\u8ba1\u6570\u7b49；\u66f4\u8fdb\u4e00\u6b65，\u8fd8\u53ef\u4ee5\u901a\u8fc7 IAP（\u5728\u7a0b\u5e8f\u4e2d\u7f16\u7a0b）\u5b9e\u73b0\u7a0b\u5e8f\u7684\u81ea\u6211\u66f4\u65b0，\u4e3a Bootloader \u548c\u5728\u7ebf\u5347\u7ea7\u6253\u4e0b\u57fa\u7840\u3002\u672c\u7ae0\u5c06\u4ece FLASH \u7684\u5185\u90e8\u7ed3\u6784\u8bb2\u8d77，\u4f9d\u6b21\u4ecb\u7ecd\u95ea\u5b58\u6a21\u5757\u7ec4\u7ec7\u3001FLASH \u89e3\u9501\u4e0e\u52a0\u9501\u3001\u4f7f\u7528\u6307\u9488\u8bbf\u95ee\u5b58\u50a8\u5668\u3001\u7a0b\u5e8f\u5b58\u50a8\u5668\u7684\u7f16\u7a0b\u4e0e\u64e6\u9664\u3001\u9009\u9879\u5b57\u8282\u4ee5\u53ca\u5668\u4ef6\u7535\u5b50\u7b7e\u540d，\u6700\u540e\u901a\u8fc7\u201c\u8bfb\u5199\u5185\u90e8 FLASH\u201d\u548c\u201c\u8bfb\u53d6\u82af\u7247 ID\u201d\u4e24\u4e2a\u5b9e\u4f8b，\u628a\u6807\u51c6\u5e93\u51fd\u6570\u771f\u6b63\u7528\u8d77\u6765\u3002<\/p>\n

\u9605\u8bfb\u672c\u7ae0\u5efa\u8bae\u7ed3\u5408 STM32F1 \u53c2\u8003\u624b\u518c\u4e2d\u7684\u95ea\u5b58\u7ae0\u8282\u4e00\u8d77\u770b，\u91cd\u70b9\u5173\u6ce8\u89e3\u9501\u5e8f\u5217\u3001\u64e6\u9664\u4e0e\u7f16\u7a0b\u7684\u5148\u540e\u987a\u5e8f，\u4ee5\u53ca\u64e6\u5199\u6b21\u6570\u548c\u5b58\u50a8\u533a\u89c4\u5212\u8fd9\u4e24\u4e2a\u5bb9\u6613\u8e29\u5751\u7684\u5730\u65b9\u3002\u4e0b\u9762\u6b63\u5f0f\u5f00\u59cb\u3002<\/p>\n

\u5982\u679c\u89c9\u5f97\u6709\u6536\u83b7\u53ef\u4ee5\u4e3a\u6211\u7684\u6587\u7ae0\u70b9\u70b9\u5c0f\u8d5e，\u8fd9\u5c06\u6fc0\u52b1\u6211\u521b\u4f5c\u66f4\u597d\u7684\u5185\u5bb9！\u8c22\u8c22！<\/p>\n

\u4e00\u3001STM32\u5185\u90e8FLASH\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a0<\/h3>\n

\n

1.1 FLASH\u7b80\u4ecb<\/h4>\n

STM32F1\u7cfb\u5217\u7684FLASH\u5305\u542b\u7a0b\u5e8f\u5b58\u50a8\u5668\u3001\u7cfb\u7edf\u5b58\u50a8\u5668\u548c\u9009\u9879\u5b57\u8282\u4e09\u4e2a\u90e8\u5206，\u901a\u8fc7\u95ea\u5b58\u5b58\u50a8\u5668\u63a5\u53e3（\u5916\u8bbe）\u53ef\u4ee5\u5bf9\u7a0b\u5e8f\u5b58\u50a8\u5668\u548c\u9009\u9879\u5b57\u8282\u8fdb\u884c\u64e6\u9664\u548c\u7f16\u7a0b<\/p>\n

\u8bfb\u5199FLASH\u7684\u7528\u9014：<\/p>\n

\u5229\u7528\u7a0b\u5e8f\u5b58\u50a8\u5668\u7684\u5269\u4f59\u7a7a\u95f4\u6765\u4fdd\u5b58\u6389\u7535\u4e0d\u4e22\u5931\u7684\u7528\u6237\u6570\u636e<\/p>\n

\u901a\u8fc7\u5728\u7a0b\u5e8f\u4e2d\u7f16\u7a0b（IAP），\u5b9e\u73b0\u7a0b\u5e8f\u7684\u81ea\u6211\u66f4\u65b0<\/p>\n

\u5728\u7ebf\u7f16\u7a0b（In-Circuit Programming \u2013 ICP）\u7528\u4e8e\u66f4\u65b0\u7a0b\u5e8f\u5b58\u50a8\u5668\u7684\u5168\u90e8\u5185\u5bb9，\u5b83\u901a\u8fc7JTAG\u3001SWD\u534f\u8bae\u6216\u7cfb\u7edf\u52a0\u8f7d\u7a0b\u5e8f（Bootloader）\u4e0b\u8f7d\u7a0b\u5e8f<\/p>\n

\u5728\u7a0b\u5e8f\u4e2d\u7f16\u7a0b（In-Application Programming \u2013 IAP）\u53ef\u4ee5\u4f7f\u7528\u5fae\u63a7\u5236\u5668\u652f\u6301\u7684\u4efb\u4e00\u79cd\u901a\u4fe1\u63a5\u53e3\u4e0b\u8f7d\u7a0b\u5e8f<\/p>\n

\n

1.2 \u95ea\u5b58\u6a21\u5757\u7ec4\u7ec7<\/h4>\n

\"\"<\/p>\n

\n

1.3 FLASH\u57fa\u672c\u7ed3\u6784<\/h4>\n

\"\"<\/p>\n

\n

1.4 FLASH\u89e3\u9501<\/h4>\n

FPEC\u5171\u6709\u4e09\u4e2a\u952e\u503c：<\/p>\n

RDPRT\u952e = 0x000000A5<\/p>\n

KEY1 = 0x45670123<\/p>\n

KEY2 = 0xCDEF89AB<\/p>\n

\u89e3\u9501：<\/p>\n

\u590d\u4f4d\u540e，FPEC\u88ab\u4fdd\u62a4，\u4e0d\u80fd\u5199\u5165FLASH_CR<\/p>\n

\u5728FLASH_KEYR\u5148\u5199\u5165KEY1，\u518d\u5199\u5165KEY2，\u89e3\u9501<\/p>\n

\u9519\u8bef\u7684\u64cd\u4f5c\u5e8f\u5217\u4f1a\u5728\u4e0b\u6b21\u590d\u4f4d\u524d\u9501\u6b7bFPEC\u548cFLASH_CR<\/p>\n

\u52a0\u9501：<\/p>\n

\u8bbe\u7f6eFLASH_CR\u4e2d\u7684LOCK\u4f4d\u9501\u4f4fFPEC\u548cFLASH_CR<\/p>\n

\n

1.5 \u4f7f\u7528\u6307\u9488\u8bbf\u95ee\u5b58\u50a8\u5668<\/h4>\n

\u4f7f\u7528\u6307\u9488\u8bfb\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u5b58\u50a8\u5668：<\/p>\n

uint16_t Data = *((__IO uint16_t *)(0x08000000));<\/span><\/p>\n

\n

\u4f7f\u7528\u6307\u9488\u5199\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u5b58\u50a8\u5668：<\/p>\n

*((__IO uint16_t *)(0x08000000)) = 0x1234;<\/span><\/p>\n

\n

\u5176\u4e2d：<\/p>\n

#define __IO volatile<\/span><\/p>\n

\n

1.6 \u7a0b\u5e8f\u5b58\u50a8\u5668\u7f16\u7a0b<\/h4>\n

\"\"<\/p>\n

\n

1.7 \u7a0b\u5e8f\u5b58\u50a8\u5668\u9875\u64e6\u9664<\/h4>\n

\"\"<\/p>\n

\n

1.8 \u7a0b\u5e8f\u5b58\u50a8\u5668\u5168\u64e6\u9664<\/h4>\n

\"\"<\/p>\n

\n

1.9 \u9009\u9879\u5b57\u8282<\/h4>\n

\"\"<\/p>\n

RDP：\u5199\u5165RDPRT\u952e（0x000000A5）\u540e\u89e3\u9664\u8bfb\u4fdd\u62a4<\/p>\n

USER：\u914d\u7f6e\u786c\u4ef6\u770b\u95e8\u72d7\u548c\u8fdb\u5165\u505c\u673a\/\u5f85\u673a\u6a21\u5f0f\u662f\u5426\u4ea7\u751f\u590d\u4f4d<\/p>\n

Data0\/1：\u7528\u6237\u53ef\u81ea\u5b9a\u4e49\u4f7f\u7528<\/p>\n

WRP0\/1\/2\/3：\u914d\u7f6e\u5199\u4fdd\u62a4，\u6bcf\u4e00\u4e2a\u4f4d\u5bf9\u5e94\u4fdd\u62a44\u4e2a\u5b58\u50a8\u9875（\u4e2d\u5bb9\u91cf）<\/p>\n

\n

1.10 \u9009\u9879\u5b57\u8282\u7f16\u7a0b<\/h4>\n

1.\u68c0\u67e5FLASH_SR\u7684BSY\u4f4d，\u4ee5\u786e\u8ba4\u6ca1\u6709\u5176\u4ed6\u6b63\u5728\u8fdb\u884c\u7684\u7f16\u7a0b\u64cd\u4f5c<\/p>\n

2.\u89e3\u9501FLASH_CR\u7684OPTWRE\u4f4d<\/p>\n

3.\u8bbe\u7f6eFLASH_CR\u7684OPTPG\u4f4d\u4e3a1<\/p>\n

4.\u5199\u5165\u8981\u7f16\u7a0b\u7684\u534a\u5b57\u5230\u6307\u5b9a\u7684\u5730\u5740<\/p>\n

5.\u7b49\u5f85BSY\u4f4d\u53d8\u4e3a0<\/p>\n

6.\u8bfb\u51fa\u5199\u5165\u7684\u5730\u5740\u5e76\u9a8c\u8bc1\u6570\u636e<\/p>\n

\n

1.11 \u9009\u9879\u5b57\u8282\u64e6\u9664<\/h4>\n

1.\u68c0\u67e5FLASH_SR\u7684BSY\u4f4d，\u4ee5\u786e\u8ba4\u6ca1\u6709\u5176\u4ed6\u6b63\u5728\u8fdb\u884c\u7684\u95ea\u5b58\u64cd\u4f5c<\/p>\n

2.\u89e3\u9501FLASH_CR\u7684OPTWRE\u4f4d<\/p>\n

3.\u8bbe\u7f6eFLASH_CR\u7684OPTER\u4f4d\u4e3a1<\/p>\n

4.\u8bbe\u7f6eFLASH_CR\u7684STRT\u4f4d\u4e3a1<\/p>\n

5.\u7b49\u5f85BSY\u4f4d\u53d8\u4e3a0<\/p>\n

6.\u8bfb\u51fa\u88ab\u64e6\u9664\u7684\u9009\u62e9\u5b57\u8282\u5e76\u505a\u9a8c\u8bc1<\/p>\n

\n

1.12 \u5668\u4ef6\u7535\u5b50\u7b7e\u540d<\/h4>\n

\u7535\u5b50\u7b7e\u540d\u5b58\u653e\u5728\u95ea\u5b58\u5b58\u50a8\u5668\u6a21\u5757\u7684\u7cfb\u7edf\u5b58\u50a8\u533a\u57df，\u5305\u542b\u7684\u82af\u7247\u8bc6\u522b\u4fe1\u606f\u5728\u51fa\u5382\u65f6\u7f16\u5199，\u4e0d\u53ef\u66f4\u6539，\u4f7f\u7528\u6307\u9488\u8bfb\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u5b58\u50a8\u5668\u53ef\u83b7\u53d6\u7535\u5b50\u7b7e\u540d<\/p>\n

\u95ea\u5b58\u5bb9\u91cf\u5bc4\u5b58\u5668：<\/p>\n

\u57fa\u5730\u5740：0x1FFF F7E0<\/p>\n

\u5927\u5c0f：16\u4f4d<\/p>\n

\u4ea7\u54c1\u552f\u4e00\u8eab\u4efd\u6807\u8bc6\u5bc4\u5b58\u5668：<\/p>\n

\u57fa\u5730\u5740： 0x1FFF F7E8<\/p>\n

\u5927\u5c0f：96\u4f4d<\/p>\n

\n

1.13 \u5b9e\u4f8b\u4e00 15.1.1 \u8bfb\u5199\u5185\u90e8FLASH<\/h4>\n

\"\"<\/p>\n

\u8bfb\u5199\u5185\u90e8FLASH\u7684\u7a0b\u5e8f\u7ed3\u6784<\/span><\/h5>\n

\u7b2c\u4e00\u6b65，\u5efa\u7acb\u4e00\u4e2a\u5e95\u5c42\u6a21\u5757，\u6700\u5e95\u5c42\u662fMyFLASH，\u8981\u5b9e\u73b0\u95ea\u5b58\u6700\u57fa\u672c\u76843\u4e2a\u529f\u80fd：\u8bfb\u53d6\u3001\u64e6\u9664\u548c\u7f16\u7a0b；<\/p>\n

\u7b2c\u4e8c\u6b65，\u5728MyFLASH\u4ee3\u7801\u6a21\u5757\u7684\u57fa\u7840\u4e0a，\u518d\u5efa\u4e00\u4e2aStore\u6a21\u5757，\u4e3b\u8981\u5b9e\u73b0\u53c2\u6570\u6570\u636e\u7684\u8bfb\u5199\u548c\u5b58\u50a8\u7ba1\u7406；<\/p>\n

\u6700\u540e，\u5c31\u662fmain.c\u91cc\u9762\u7684\u5e94\u7528\u5c42\u90e8\u5206，\u60f3\u8981\u4fdd\u5b58\u53c2\u6570，\u5c31\u5199\u5230Store\u5c42\u7684\u6570\u7ec4，\u518d\u8c03\u7528\u4fdd\u5b58\u51fd\u6570，\u5907\u4efd\u5230\u95ea\u5b58\u3002<\/p>\n

\n

\u8bfb\u5199\u5185\u90e8\u95ea\u5b58\u7684\u57fa\u672c\u6d41\u7a0b：<\/p>\n

\u9996\u5148，\u95ea\u5b58\u5e76\u4e0d\u9700\u8981\u521d\u59cb\u5316，\u76f4\u63a5\u64cd\u4f5c\u5373\u53ef；<\/p>\n

\u7b2c\u4e00\u6b65，\u8bfb\u53d6\u6570\u636e；<\/p>\n

\u7b2c\u4e8c\u6b65，\u89e3\u9501，\u89e3\u9664FLASH\u5199\u4fdd\u62a4，\u64e6\u9664\u95ea\u5b58\u6570\u636e，\u9009\u62e9\u5168\u64e6\u9664\u6216\u662f\u9875\u64e6\u9664，\u7136\u540e\u52a0\u9501，\u6062\u590d\u5199\u4fdd\u62a4；<\/p>\n

\u7b2c\u4e09\u6b65，\u7f16\u7a0b\u3002<\/p>\n

\n

\u53ef\u80fd\u7528\u5230\u7684FLASH<\/span>\u5e93\u51fd\u6570:<\/p>\n

\/\/\u89e3\u9501\u5185\u90e8FLASH<\/span><\/p>\n

void FLASH_Unlock(void);<\/p>\n

\n

\/\/\u52a0\u9501\u5185\u90e8FLASH<\/span><\/p>\n

void FLASH_Lock(void);<\/p>\n

\n

\/\/\u64e6\u9664\u5185\u90e8\u95ea\u5b58\u7684\u67d0\u4e00\u9875<\/span><\/p>\n

FLASH_Status FLASH_ErasePage(uint32_t Page_Address);<\/p>\n

\n

\/\/\u64e6\u9664\u5168\u90e8\u7684\u5185\u90e8\u95ea\u5b58<\/span><\/p>\n

FLASH_Status FLASH_EraseAllPages(void);<\/p>\n

\n

\/\/\u64e6\u9664\u9009\u9879\u5b57\u8282<\/span><\/p>\n

FLASH_Status FLASH_EraseOptionBytes(void);<\/p>\n

\n

\/\/\u5728\u6307\u5b9a\u5730\u5740\u5199\u5165\u5b57\u3001\u5728\u6307\u5b9a\u5730\u5740\u5199\u5165\u534a\u5b57<\/span><\/p>\n

FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);<\/p>\n

FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);<\/p>\n

\n

\/\/\u5199\u5165\u9009\u9879\u5b57\u8282\u7684\u81ea\u5b9a\u4e49Data0\u4e0eData1<\/span><\/p>\n

FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t Data);<\/p>\n

\n

\/\/\u5199\u5165\u9009\u9879\u5b57\u8282\u7684\u5199\u4fdd\u62a4<\/span><\/p>\n

FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages);<\/p>\n

\n

\/\/\u5199\u5165\u9009\u9879\u5b57\u8282\u7684\u8bfb\u4fdd\u62a4<\/span><\/p>\n

FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState);<\/p>\n

\n

\/\/\u5199\u5165\u9009\u9879\u5b57\u8282\u7684\u7528\u6237\u9009\u9879\u7684\u4e09\u4e2a\u914d\u7f6e\u4f4d<\/span><\/p>\n

FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t OB_STDBY);<\/p>\n

\n

\/\/\u83b7\u53d6\u9009\u9879\u5b57\u8282\u5f53\u524d\u7684\u72b6\u6001\u2014\u2014\u83b7\u53d6\u7528\u6237\u9009\u9879\u7684\u4e09\u4e2a\u914d\u7f6e\u4f4d<\/span><\/p>\n

uint32_t FLASH_GetUserOptionByte(void);<\/p>\n

\n

\/\/\u83b7\u53d6\u9009\u9879\u5b57\u8282\u5f53\u524d\u7684\u72b6\u6001\u2014\u2014\u83b7\u53d6\u5199\u4fdd\u62a4\u72b6\u6001<\/span><\/p>\n

uint32_t FLASH_GetWriteProtectionOptionByte(void);<\/p>\n

\n

\/\/\u83b7\u53d6\u9884\u53d6\u7f13\u51b2\u533a\u72b6\u6001<\/span><\/p>\n

FlagStatus FLASH_GetPrefetchBufferStatus(void);<\/p>\n

\n

\/\/\u4e2d\u65ad\u4f7f\u80fd<\/span><\/p>\n

void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);<\/p>\n

\n

\/\/\u83b7\u53d6\u6807\u5fd7\u4f4d\u3001\u6e05\u9664\u6807\u5fd7\u4f4d<\/span><\/p>\n

FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);<\/p>\n

void FLASH_ClearFlag(uint32_t FLASH_FLAG);<\/p>\n

\n

\/\/\u83b7\u53d6\u72b6\u6001<\/span><\/p>\n

FLASH_Status FLASH_GetStatus(void);<\/p>\n

\n

\/\/\u7b49\u5f85\u4e0a\u4e00\u6b21\u64cd\u4f5c\/\u7b49\u5f85\u5fd9<\/span><\/p>\n

FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);<\/p>\n

\n

\n

STM32\u5185\u90e8\u95ea\u5b58\u7684\u6570\u636e\u662f\u4ee5\u5c0f\u7aef\u6a21\u5f0f\u5b58\u50a8\u7684，\u4e5f\u5c31\u662f\u4f4e\u4f4d\u5b57\u8282\u5b58\u50a8\u5728\u4f4e\u4f4d\u5730\u5740，\u4f8b\u5982\u5730\u57400x0800 0000\u5b58\u6709\u4e00\u4e2a\u5b57\u7684\u6570\u636e0x2000 0660，\u5b9e\u9645\u4e0a\u6570\u636e\u201c0x2000 0660\u201d\u5728\u5b58\u50a8\u5668\u7684\u5730\u5740\u7531\u4f4e\u5230\u9ad8\u662f\u4ee50660 0002\u7684\u987a\u5e8f\u5b58\u653e\u7684<\/span><\/p>\n

\"\"<\/p>\n

\u53ef\u4ee5\u5728Keil\u8f6f\u4ef6\u8bbe\u7f6e\u5199\u5165\u7a0b\u5e8f\u4f7f\u7528\u7684ROM\u548cRAM\u7684\u8d77\u59cb\u5730\u5740\u548c\u7a0b\u5e8f\u53ef\u4f7f\u7528\u7684\u5b58\u50a8\u5927\u5c0f<\/span><\/p>\n

\n

MyFLASH.h<\/span>\u2193<\/span><\/p>\n

—————————–<\/span><\/p>\n

#ifndef __MYFLASH_H
\n#define __MYFLASH_H
\nuint32_t MyFLASH_ReadWord(uint32_t Address);
\nuint16_t MyFLASH_ReadHalfWord(uint32_t Address);
\nuint8_t MyFLASH_ReadByte(uint32_t Address);
\nvoid MyFLASH_EraseAllPages(void);
\nvoid MyFLASH_ErasePage(uint32_t PageAddress);
\nvoid MyFLASH_ProgramWord(uint32_t Address,uint32_t Data);
\nvoid MyFLASH_ProgramHalfWord(uint32_t Address,uint16_t Data);
\n#endif<\/p>\n

—————————–<\/span><\/p>\n

MyFLASH.c\u2193<\/span><\/p>\n

—————————–<\/span><\/p>\n

#include "stm32f10x.h" \/\/ Device header
\n\/**
\n\u51fd \u6570：FLASH\u8bfb\u53d6\u4e00\u4e2a32\u4f4d\u7684\u5b57
\n\u53c2 \u6570：Address \u8981\u8bfb\u53d6\u6570\u636e\u7684\u5b57\u5730\u5740
\n\u8fd4 \u56de \u503c：\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u6570\u636e
\n*\/
\nuint32_t MyFLASH_ReadWord(uint32_t Address)
\n{
\nreturn *((__IO uint32_t *)(Address));\/\/\u4f7f\u7528\u6307\u9488\u8bbf\u95ee\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u6570\u636e\u5e76\u8fd4\u56de
\n}
\n\/**
\n\u51fd \u6570：FLASH\u8bfb\u53d6\u4e00\u4e2a16\u4f4d\u7684\u534a\u5b57
\n\u53c2 \u6570：Address \u8981\u8bfb\u53d6\u6570\u636e\u7684\u534a\u5b57\u5730\u5740
\n\u8fd4 \u56de \u503c：\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u6570\u636e
\n*\/
\nuint16_t MyFLASH_ReadHalfWord(uint32_t Address)
\n{
\nreturn *((__IO uint16_t *)(Address));\/\/\u4f7f\u7528\u6307\u9488\u8bbf\u95ee\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u6570\u636e\u5e76\u8fd4\u56de
\n}
\n\/**
\n\u51fd \u6570：FLASH\u8bfb\u53d6\u4e00\u4e2a8\u4f4d\u7684\u5b57\u8282
\n\u53c2 \u6570：Address \u8981\u8bfb\u53d6\u6570\u636e\u7684\u5b57\u8282\u5730\u5740
\n\u8fd4 \u56de \u503c：\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u6570\u636e
\n*\/
\nuint8_t MyFLASH_ReadByte(uint32_t Address)
\n{
\nreturn *((__IO uint8_t *)(Address));\/\/\u4f7f\u7528\u6307\u9488\u8bbf\u95ee\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u6570\u636e\u5e76\u8fd4\u56de
\n}
\n\/**
\n\u51fd \u6570：FLASH\u5168\u64e6\u9664
\n\u53c2 \u6570：\u65e0
\n\u8fd4 \u56de \u503c：\u65e0
\n\u8bf4 \u660e：\u8c03\u7528\u6b64\u51fd\u6570\u540e，FLASH\u7684\u6240\u6709\u9875\u90fd\u4f1a\u88ab\u64e6\u9664，\u5305\u62ec\u7a0b\u5e8f\u6587\u4ef6\u672c\u8eab，\u64e6\u9664\u540e，\u7a0b\u5e8f\u5c06\u4e0d\u590d\u5b58\u5728
\n*\/
\nvoid MyFLASH_EraseAllPages(void)
\n{
\nFLASH_Unlock();\/\/\u89e3\u9501
\nFLASH_EraseAllPages();\/\/\u5168\u64e6\u9664
\nFLASH_Lock();\/\/\u52a0\u9501
\n}
\n\/**
\n\u51fd \u6570：FLASH\u9875\u64e6\u9664
\n\u53c2 \u6570：PageAddress \u8981\u64e6\u9664\u9875\u7684\u9875\u5730\u5740
\n\u8fd4 \u56de \u503c：\u65e0
\n*\/
\nvoid MyFLASH_ErasePage(uint32_t PageAddress)
\n{
\nFLASH_Unlock();\/\/\u89e3\u9501
\nFLASH_ErasePage(PageAddress);\/\/\u9875\u64e6\u9664
\nFLASH_Lock();\/\/\u52a0\u9501
\n}
\n\/**
\n\u51fd \u6570：FLASH\u7f16\u7a0b\u5b57
\n\u53c2 \u6570：Address \u8981\u5199\u5165\u6570\u636e\u7684\u5b57\u5730\u5740
\n\u53c2 \u6570：Data \u8981\u5199\u5165\u768432\u4f4d\u6570\u636e
\n\u8fd4 \u56de \u503c：\u65e0
\n*\/
\nvoid MyFLASH_ProgramWord(uint32_t Address,uint32_t Data)
\n{
\nFLASH_Unlock();\/\/\u89e3\u9501
\nFLASH_ProgramWord(Address,Data);\/\/\u7f16\u7a0b\u5b57
\nFLASH_Lock();\/\/\u52a0\u9501
\n}
\n\/**
\n\u51fd \u6570：FLASH\u7f16\u7a0b\u534a\u5b57
\n\u53c2 \u6570：Address \u8981\u5199\u5165\u6570\u636e\u7684\u534a\u5b57\u5730\u5740
\n\u53c2 \u6570：Data \u8981\u5199\u5165\u768416\u4f4d\u6570\u636e
\n\u8fd4 \u56de \u503c：\u65e0
\n*\/
\nvoid MyFLASH_ProgramHalfWord(uint32_t Address,uint16_t Data)
\n{
\nFLASH_Unlock();\/\/\u89e3\u9501
\nFLASH_ProgramHalfWord(Address,Data);\/\/\u7f16\u7a0b\u534a\u5b57
\nFLASH_Lock();\/\/\u52a0\u9501
\n}<\/p>\n

—————————–<\/span><\/p>\n

\n

Store.h\u2193<\/span><\/p>\n

—————————–<\/span><\/p>\n

#ifndef __STORE_H
\n#define __STORE_H
\nextern uint16_t Store_Data[];
\nvoid Store_Init(void);
\nvoid Store_Save(void);
\nvoid Store_Clear(void);
\n#endif<\/p>\n

—————————–<\/span><\/p>\n

Store.c\u2193<\/span><\/p>\n

—————————–<\/span><\/p>\n

#include "stm32f10x.h" \/\/ Device header
\n#include "MyFLASH.h"
\n#define STORE_START_ADDRESS 0x0800FC00\/\/\u5b58\u50a8\u7684\u8d77\u59cb\u5730\u5740
\n#define STORE_COUNT 512\/\/\u5b58\u50a8\u6570\u636e\u7684\u4e2a\u6570
\nuint16_t Store_Data[STORE_COUNT];\/\/\u5b9a\u4e49SRAM\u6570\u7ec4
\n\/**
\n\u51fd \u6570：\u53c2\u6570\u5b58\u50a8\u6a21\u5757\u521d\u59cb\u5316
\n\u53c2 \u6570：\u65e0
\n\u8fd4 \u56de \u503c：\u65e0
\n\/
\nvoid Store_Init(void)
\n{
\n\/\u5224\u65ad\u662f\u4e0d\u662f\u7b2c\u4e00\u6b21\u4f7f\u7528\/
\nif( MyFLASH_ReadHalfWord(STORE_START_ADDRESS) != 0xA5A5 )
\n{
\nMyFLASH_ErasePage(STORE_START_ADDRESS);\/\/\u64e6\u9664\u6307\u5b9a\u9875
\nMyFLASH_ProgramHalfWord(STORE_START_ADDRESS,0xA5A5);\/\/\u5728\u7b2c\u4e00\u4e2a\u534a\u5b57\u5199\u5165\u81ea\u5df1\u89c4\u5b9a\u7684\u6807\u5fd7\u4f4d，\u7528\u4e8e\u5224\u65ad\u662f\u4e0d\u662f\u7b2c\u4e00\u6b21\u4f7f\u7528
\nfor (uint16_t i=1;i<STORE_COUNT;i++)\/\/\u5faa\u73afSTORE_COUNT\u6b21，\u9664\u4e86\u7b2c\u4e00\u4e2a\u6807\u5fd7\u4f4d
\n{
\nMyFLASH_ProgramHalfWord(STORE_START_ADDRESS+i2,0x0000);\/\/\u9664\u4e86\u6807\u5fd7\u4f4d\u7684\u6709\u6548\u6570\u636e\u5168\u90e8\u6e050
\n}
\n}
\n\/\u4e0a\u7535\u65f6，\u5c06\u95ea\u5b58\u6570\u636e\u52a0\u8f7d\u56deSRAM\u6570\u7ec4，\u5b9e\u73b0SRAM\u6570\u7ec4\u7684\u6389\u7535\u4e0d\u4e22\u5931\/
\nfor (uint16_t i=0;i<STORE_COUNT;i++)\/\/\u5faa\u73afSTORE_COUNT\u6b21，\u5305\u62ec\u7b2c\u4e00\u4e2a\u6807\u5fd7\u4f4d
\n{
\nStore_Data[i] = MyFLASH_ReadHalfWord(STORE_START_ADDRESS+i*2);\/\/\u5c06\u95ea\u5b58\u7684\u6570\u636e\u52a0\u8f7d\u56deSRAM\u6570\u7ec4
\n}
\n}
\n\/**
\n\u51fd \u6570：\u53c2\u6570\u5b58\u50a8\u6a21\u5757\u4fdd\u5b58\u6570\u636e\u5230\u95ea\u5b58
\n\u53c2 \u6570：\u65e0
\n\u8fd4 \u56de \u503c：\u65e0
\n\/
\nvoid Store_Save(void)
\n{
\nMyFLASH_ErasePage(STORE_START_ADDRESS);\/\/\u64e6\u9664\u6307\u5b9a\u9875
\nfor (uint16_t i=0;i<STORE_COUNT;i++)\/\/\u5faa\u73afSTORE_COUNT\u6b21，\u5305\u62ec\u7b2c\u4e00\u4e2a\u6807\u5fd7\u4f4d
\n{
\nMyFLASH_ProgramHalfWord(STORE_START_ADDRESS+i2,Store_Data[i]);\/\/\u5c06SRAM\u6570\u7ec4\u7684\u6570\u636e\u5907\u4efd\u4fdd\u5b58\u5230\u95ea\u5b58
\n}
\n}
\n\/**
\n\u51fd \u6570：\u53c2\u6570\u5b58\u50a8\u6a21\u5757\u5c06\u6240\u6709\u6709\u6548\u6570\u636e\u6e050
\n\u53c2 \u6570：\u65e0
\n\u8fd4 \u56de \u503c：\u65e0
\n*\/
\nvoid Store_Clear(void)
\n{
\nfor (uint16_t i=1;i<STORE_COUNT;i++)\/\/\u5faa\u73afSTORE_COUNT\u6b21，\u9664\u4e86\u7b2c\u4e00\u4e2a\u6807\u5fd7\u4f4d
\n{
\nStore_Data[i] = 0x0000;\/\/SRAM\u6570\u7ec4\u6709\u6548\u6570\u636e\u6e050
\n}
\nStore_Save();\/\/\u4fdd\u5b58\u6570\u636e\u5230\u95ea\u5b58
\n}<\/p>\n

—————————–<\/span><\/p>\n

\n

main.c\u2193<\/p>\n

—————————–<\/p>\n

#include "stm32f10x.h" \/\/ Device header
\n#include "Delay.h"
\n#include "OLED.h"
\n#include "Store.h"
\n#include "Key.h"
\nuint8_t KeyNum;
\nint main(void)
\n{
\nOLED_Init();
\nKey_Init();
\nStore_Init();
\nOLED_ShowString(1,1,"Flag:");
\nOLED_ShowString(2,1,"Data:");
\nwhile(1)
\n{
\nKeyNum = Key_GetNum();
\nif (KeyNum == 1)
\n{
\nStore_Data[1]++;
\nStore_Data[2]+=2;
\nStore_Data[3]+=3;
\nStore_Data[4]+=4;
\nStore_Save();<\/p>\n

}
\nif (KeyNum == 2)
\n{
\nStore_Clear();
\n}<\/p>\n

OLED_ShowHexNum(1,6,Store_Data[0],4);
\nOLED_ShowHexNum(3,1,Store_Data[1],4);
\nOLED_ShowHexNum(3,6,Store_Data[2],4);
\nOLED_ShowHexNum(4,1,Store_Data[3],4);
\nOLED_ShowHexNum(4,6,Store_Data[4],4);
\n}
\n}<\/p>\n

—————————–<\/p>\n

\n

\"\"<\/p>\n

\u9875\u64e6\u9664<\/p>\n

\n

\n

\"\"<\/p>\n

\u5168\u64e6\u9664<\/p>\n

\n

\n

\"\"<\/p>\n

\u5411\u95ea\u5b58\u7684\u6700\u540e\u4e00\u9875\u7684\u7b2c\u4e00\u4e2a\u534a\u5b57\u5199\u5165\u6807\u5fd7\u4f4dA5A5<\/p>\n

\n

\n

\"\"<\/p>\n

\u4f7f\u7528Store\u4ee3\u7801\u6a21\u5757\u5411\u95ea\u5b58\u7684\u6700\u540e\u4e00\u9875\u5199\u5165\u6570\u636e<\/p>\n

\n

\"\"<\/p>\n

\n

1.14 \u5b9e\u4f8b\u4e8c 15.2.1 \u8bfb\u53d6\u82af\u7247ID<\/h4>\n

\"\"<\/p>\n

main.c\u2193<\/p>\n

—————————–<\/p>\n

#include "stm32f10x.h" \/\/ Device header
\n#include "Delay.h"
\n#include "OLED.h"
\nint main(void)
\n{
\nOLED_Init();\/\/OLED\u521d\u59cb\u5316
\nOLED_ShowString(1,1,"F_SIZE:");\/\/\u663e\u793a\u9759\u6001\u5b57\u7b26\u4e32
\nOLED_ShowHexNum(1,8,*((__IO uint16_t *)(0x1FFFF7E0)) ,4 );\/\/\u4f7f\u7528\u6307\u9488\u8bfb\u53d6\u6307\u5b9a\u5730\u5740\u4e0b\u7684\u95ea\u5b58\u5bb9\u91cf\u5bc4\u5b58\u5668
\nOLED_ShowString(2,1,"U_ID:");\/\/\u663e\u793a\u9759\u6001\u5b57\u7b26\u4e32
\nOLED_ShowHexNum(2,6, *((__IO uint16_t *)(0x1FFFF7E8)) ,4 );
\nOLED_ShowHexNum(2,11, *((__IO uint16_t *)(0x1FFFF7E8 + 0x02)) ,4 );
\nOLED_ShowHexNum(3,1, *((__IO uint32_t *)(0x1FFFF7E8 + 0x04)) ,8 );
\nOLED_ShowHexNum(4,1, *((__IO uint32_t *)(0x1FFFF7E8 + 0x08)) ,8 );
\nwhile(1)
\n{
\n}
\n}<\/p>\n

—————————–<\/p>\n

\"\"<\/p>\n

\n

\n<\/p>\n

\u4e8c\u3001\u603b\u7ed3<\/h3>\n<\/p>\n

\u672c\u6587\u56f4\u7ed5 STM32F1 \u7cfb\u5217\u5185\u90e8 FLASH \u5c55\u5f00，\u4ece\u786c\u4ef6\u7ed3\u6784\u5230\u4ee3\u7801\u5b9e\u73b0\u5b8c\u6574\u68b3\u7406\u4e86\u4e00\u904d，\u6838\u5fc3\u5185\u5bb9\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u4ee5\u4e0b\u51e0\u70b9：<\/p>\n

    \n
  • \u7ed3\u6784\u8ba4\u77e5：STM32F1 \u7684 FLASH \u7531\u7a0b\u5e8f\u5b58\u50a8\u5668\u3001\u7cfb\u7edf\u5b58\u50a8\u5668\u548c\u9009\u9879\u5b57\u8282\u4e09\u90e8\u5206\u7ec4\u6210，\u901a\u8fc7\u95ea\u5b58\u5b58\u50a8\u5668\u63a5\u53e3（FPEC）\u5bf9\u7a0b\u5e8f\u5b58\u50a8\u5668\u548c\u9009\u9879\u5b57\u8282\u8fdb\u884c\u64e6\u9664\u4e0e\u7f16\u7a0b；\u7cfb\u7edf\u5b58\u50a8\u533a\u5219\u5b58\u653e\u51fa\u5382\u56fa\u5316\u7684 Bootloader \u548c\u5668\u4ef6\u7535\u5b50\u7b7e\u540d，\u4e0d\u53ef\u66f4\u6539\u3002<\/li>\n
  • \u89e3\u9501\u4e0e\u52a0\u9501：\u590d\u4f4d\u540e FPEC \u5904\u4e8e\u4fdd\u62a4\u72b6\u6001，\u5fc5\u987b\u5148\u5411 FLASH_KEYR \u4f9d\u6b21\u5199\u5165 KEY1（0x45670123）\u548c KEY2（0xCDEF89AB）\u624d\u80fd\u89e3\u9501；\u64cd\u4f5c\u5b8c\u6210\u540e\u5e94\u8bbe\u7f6e FLASH_CR \u7684 LOCK \u4f4d\u91cd\u65b0\u52a0\u9501\u3002\u9519\u8bef\u7684\u952e\u503c\u5e8f\u5217\u4f1a\u5728\u4e0b\u6b21\u590d\u4f4d\u524d\u9501\u6b7b FPEC，\u8fd9\u4e00\u70b9\u5728\u8c03\u8bd5\u65f6\u8981\u7279\u522b\u6ce8\u610f\u3002<\/li>\n
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