{"id":100733,"date":"2026-09-05T07:17:13","date_gmt":"2026-09-04T23:17:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100733.html"},"modified":"2026-09-05T07:17:13","modified_gmt":"2026-09-04T23:17:13","slug":"%e6%a0%88%e5%a4%9f%e7%94%a8%e5%8d%b4%e9%9a%8f%e6%9c%ba-hardfault%ef%bc%9a%e9%92%a9%e5%ad%90%e5%87%bd%e6%95%b0%e9%80%92%e5%bd%92%e5%95%83%e7%a9%bf-msp%ef%bc%8c%e6%a0%88%e6%b0%b4%e7%ba%bf%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100733.html","title":{"rendered":"\u6808\u591f\u7528\u5374\u968f\u673a HardFault\uff1a\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP\uff0c\u6808\u6c34\u7ebf\u5b9e\u6d4b + \u94a9\u5b50\u6539\u8fed\u4ee3"},"content":{"rendered":"

\u6808\u591f\u7528\u5374\u968f\u673a HardFault：\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP，\u6808\u6c34\u7ebf\u5b9e\u6d4b + \u94a9\u5b50\u6539\u8fed\u4ee3<\/h2>\n

\u4e00\u3001\u5f00\u7bc7：\u4e00\u4e2a\u771f\u5b9e\u7ffb\u8f66\u73b0\u573a<\/h3>\n

\u505a\u4e00\u53f0\u5e26 RTOS \u7684\u91c7\u96c6\u5668（STM32F4 + FreeRTOS），\u8dd1\u51e0\u5929\u5076\u5c14 HardFault，\u590d\u4f4d\u53c8\u6b63\u5e38\u3002\u5806\u6808\u914d\u5f97\u5f88\u5927（\u4efb\u52a1\u6808 1KB\u3001\u603b\u5806\u4e5f\u591f），\u6309\u7406\u4e0d\u8be5\u6ea2\u51fa\u3002\u6211\u7528 uxTaskGetStackHighWaterMark \u770b\u5404\u4efb\u52a1\u6808\u6c34\u7ebf，\u90fd\u8fd8\u5269\u4e00\u5927\u622a\u2014\u2014\u53ef\u5b83\u5c31\u662f\u5d29\u3002<\/p>\n

\u6700\u540e\u5728 HardFault \u5904\u7406\u51fd\u6570\u91cc dump \u6808\u5e27，\u53d1\u73b0 PC \u6307\u5411\u4e00\u4e2a"\u94a9\u5b50\u51fd\u6570"\u7684\u9012\u5f52\u8c03\u7528\u6df1\u5904\u3002\u539f\u6765\u8fd9\u4e2a\u94a9\u5b50\u5728\u5904\u7406\u67d0\u4e8b\u4ef6\u65f6\u4f1a\u9012\u5f52\u8c03\u7528\u81ea\u5df1（A \u8c03 A），\u800c\u4e8b\u4ef6\u89e6\u53d1\u9891\u7e41\u65f6\u9012\u5f52\u6df1\u5ea6\u7d2f\u79ef，\u628a MSP（\u4e3b\u6808，\u4e2d\u65ad\/HardFault \u7528\u7684\u6808）\u4e00\u70b9\u70b9\u5543\u7a7f\u2014\u2014\u4efb\u52a1\u6808\u6c34\u7ebf\u770b\u7740\u6ca1\u4e8b，\u56e0\u4e3a\u5d29\u5728 MSP \u4e0a\u3002<\/p>\n

\u6839\u56e0\u4e00\u53e5\u8bdd：RTOS \u91cc\u6709\u4e24\u4e2a\u6808\u2014\u2014\u4efb\u52a1\u6808（PSP）\u548c\u4e3b\u6808 MSP（\u4e2d\u65ad\/HardFault \u4e0a\u4e0b\u6587\u7528）\u3002\u5982\u679c\u67d0\u4e2a\u5728\u4e2d\u65ad\u6216\u7cfb\u7edf\u8c03\u7528\u91cc\u89e6\u53d1\u7684\u94a9\u5b50\u51fd\u6570\u5199\u6210\u9012\u5f52，\u9012\u5f52\u6d88\u8017\u7684\u662f MSP；\u9891\u7e41\u89e6\u53d1\u65f6 MSP \u88ab\u6084\u6084\u5543\u7a7f，\u89e6\u53d1 HardFault\u3002\u4efb\u52a1\u6808\u6c34\u7ebf\u6b63\u5e38\u662f\u56e0\u4e3a\u5d29\u7684\u6839\u672c\u4e0d\u662f\u4efb\u52a1\u6808\u3002<\/p>\n

\u9002\u7528\u8bfb\u8005：FreeRTOS \u4e0b\u5076\u53d1 HardFault\u3001\u6808\u6c34\u7ebf\u770b\u7740\u591f\u5374\u5d29\u3001\u94a9\u5b50\/\u56de\u8c03\u91cc\u8c03\u7528\u4e86\u4f1a\u9012\u5f52\u7684\u903b\u8f91\u7684\u540c\u5b66\u3002
\n\u8bfb\u5b8c\u4f60\u80fd\u505a：\u8bc6\u522b"\u94a9\u5b50\u9012\u5f52\u5543\u7a7f MSP"\u578b HardFault，\u901a\u8fc7\u5b9e\u6d4b MSP \u6c34\u7ebf\u5b9a\u4f4d，\u5e76\u628a\u9012\u5f52\u94a9\u5b50\u6539\u6210\u8fed\u4ee3\/\u9650\u5236\u6df1\u5ea6\u3002<\/p>\n

\u4e8c\u3001\u5148\u641e\u61c2：RTOS \u91cc\u7a76\u7adf\u6709\u51e0\u5757\u6808（\u8ba4\u77e5）<\/h3>\n

2.1 PSP \u548c MSP<\/h4>\n

Cortex-M \u6709\u4e24\u4e2a\u6808\u6307\u9488：\u7ebf\u7a0b\u6a21\u5f0f\u9ed8\u8ba4\u7528 PSP（\u4efb\u52a1\u6808），\u5904\u7406\u6a21\u5f0f（\u4e2d\u65ad\/HardFault）\u7528 MSP（\u4e3b\u6808）\u3002FreeRTOS \u6bcf\u4e2a\u4efb\u52a1\u6709\u81ea\u5df1 PSP；\u800c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u3001HardFault\u3001\u4ee5\u53ca\u4e2d\u65ad\u91cc\u8c03\u7528\u7684\u94a9\u5b50\u7528\u7684\u662f MSP\u2014\u2014\u5b83\u662f\u542f\u52a8\u6587\u4ef6\u91cc Stack_Size \u914d\u7684\u90a3\u5757（\u901a\u5e38\u8f83\u5c0f，\u5982 1KB）\u3002<\/p>\n

2.2 \u94a9\u5b50\u4e3a\u4ec0\u4e48\u5403 MSP<\/h4>\n

\u5f88\u591a RTOS \u94a9\u5b50（\u5982 vApplicationStackOverflowHook\u3001idle hook\u3001\u5b9a\u65f6\u5668\u56de\u8c03）\u53ef\u80fd\u5728\u4e2d\u65ad\u4e0a\u4e0b\u6587\u6216\u7279\u6743\u6001\u88ab\u8c03\u7528，\u4f7f\u7528\u7684\u662f MSP\u3002\u82e5\u94a9\u5b50\u91cc\u5199\u4e86\u9012\u5f52\u51fd\u6570，\u9012\u5f52\u6bcf\u6df1\u4e00\u5c42\u5c31\u538b\u4e00\u5e27\u5230 MSP，\u9891\u7e41\/\u6df1\u5c42\u65f6\u628a MSP \u5543\u7a7f \u2192 HardFault\u3002<\/p>\n\n\u6808\u8c01\u7528\u5d29\u4e86\u8868\u73b0\u4e3a<\/tr>\n\n\n\n
PSP \u4efb\u52a1\u6808<\/td>\n\u4efb\u52a1\u4ee3\u7801<\/td>\n\u4efb\u52a1\u6808\u6ea2\u51fa\u94a9\u5b50\u62a5<\/td>\n<\/tr>\n
MSP \u4e3b\u6808<\/td>\n\u4e2d\u65ad\/HardFault\/\u94a9\u5b50<\/td>\n\u9759\u9ed8\u5543\u7a7f\u2192HardFault<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

#mermaid-svg-Knp3TKP8LgQ7zvSc{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-Knp3TKP8LgQ7zvSc .error-icon{fill:#552222;}#mermaid-svg-Knp3TKP8LgQ7zvSc .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-Knp3TKP8LgQ7zvSc .marker{fill:#333333;stroke:#333333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .marker.cross{stroke:#333333;}#mermaid-svg-Knp3TKP8LgQ7zvSc svg{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-Knp3TKP8LgQ7zvSc p{margin:0;}#mermaid-svg-Knp3TKP8LgQ7zvSc .label{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;color:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .cluster-label text{fill:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .cluster-label span{color:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .cluster-label span p{background-color:transparent;}#mermaid-svg-Knp3TKP8LgQ7zvSc .label text,#mermaid-svg-Knp3TKP8LgQ7zvSc span{fill:#333;color:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .node rect,#mermaid-svg-Knp3TKP8LgQ7zvSc .node circle,#mermaid-svg-Knp3TKP8LgQ7zvSc .node ellipse,#mermaid-svg-Knp3TKP8LgQ7zvSc .node polygon,#mermaid-svg-Knp3TKP8LgQ7zvSc .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .rough-node .label text,#mermaid-svg-Knp3TKP8LgQ7zvSc .node .label text,#mermaid-svg-Knp3TKP8LgQ7zvSc .image-shape .label,#mermaid-svg-Knp3TKP8LgQ7zvSc .icon-shape .label{text-anchor:middle;}#mermaid-svg-Knp3TKP8LgQ7zvSc .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .rough-node .label,#mermaid-svg-Knp3TKP8LgQ7zvSc .node .label,#mermaid-svg-Knp3TKP8LgQ7zvSc .image-shape .label,#mermaid-svg-Knp3TKP8LgQ7zvSc .icon-shape .label{text-align:center;}#mermaid-svg-Knp3TKP8LgQ7zvSc .node.clickable{cursor:pointer;}#mermaid-svg-Knp3TKP8LgQ7zvSc .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .arrowheadPath{fill:#333333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-Knp3TKP8LgQ7zvSc .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-Knp3TKP8LgQ7zvSc .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-Knp3TKP8LgQ7zvSc .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-Knp3TKP8LgQ7zvSc .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .cluster text{fill:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc .cluster span{color:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-Knp3TKP8LgQ7zvSc .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-Knp3TKP8LgQ7zvSc rect.text{fill:none;stroke-width:0;}#mermaid-svg-Knp3TKP8LgQ7zvSc .icon-shape,#mermaid-svg-Knp3TKP8LgQ7zvSc .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-Knp3TKP8LgQ7zvSc .icon-shape p,#mermaid-svg-Knp3TKP8LgQ7zvSc .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-Knp3TKP8LgQ7zvSc .icon-shape .label rect,#mermaid-svg-Knp3TKP8LgQ7zvSc .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-Knp3TKP8LgQ7zvSc .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-Knp3TKP8LgQ7zvSc .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-Knp3TKP8LgQ7zvSc :root{–mermaid-font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;}<\/span><\/p>\n

\u5426<\/p>\n

<\/span><\/p>\n

\u662f \u9891\u7e41\u89e6\u53d1<\/p>\n

<\/span><\/span><\/span><\/p>\n

\u4e8b\u4ef6\u89e6\u53d1\u94a9\u5b50<\/p>\n

<\/span><\/p>\n

\u94a9\u5b50\u9012\u5f52?<\/p>\n

<\/span><\/p>\n

\u6b63\u5e38<\/p>\n

<\/span><\/p>\n

\u6bcf\u5e27\u538bMSP<\/p>\n

<\/span><\/p>\n

MSP\u88ab\u5543\u7a7f<\/p>\n

<\/span><\/p>\n

HardFault<\/p>\n

<\/span><\/p>\n

\u56fe 1：\u94a9\u5b50\u9012\u5f52\u5543\u7a7f MSP（\u5982\u56fe 1 \u6240\u793a，\u5d29\u5728 MSP \u800c\u975e\u4efb\u52a1\u6808）\u3002<\/p>\n

[\u6ce8\u610f] \u542f\u52a8\u6587\u4ef6 Stack_Size \u901a\u5e38\u9ed8\u8ba4 1KB（0x400），\u6bd4\u4efb\u52a1\u6808\u5c0f\u5f97\u591a\u3002\u4e2d\u65ad\u5d4c\u5957\u6df1 + \u94a9\u5b50\u9012\u5f52，\u6781\u6613\u8d85\u3002\u6539\u5927 Stack_Size \u80fd\u7f13\u89e3\u4f46\u4e0d\u80fd\u6839\u6cbb（\u9012\u5f52\u65e0\u754c\u7167\u6837\u5d29）\u3002<\/p>\n

\u4e09\u3001\u4e3a\u4ec0\u4e48\u4f1a HardFault（\u539f\u7406 + \u771f\u5b9e\u9519\u8bef\u4ee3\u7801）<\/h3>\n

3.1 \u6211\u6700\u521d\u7684\u5199\u6cd5（\u9519\u8bef\u7248）<\/h4>\n

\/\/ \u274c \u9519\u8bef\u5199\u6cd5：\u94a9\u5b50\u91cc\u5199\u9012\u5f52，\u9891\u7e41\u89e6\u53d1\u5543\u7a7f MSP<\/span>
\nvoid<\/span> vApplicationIdleHook<\/span>(<\/span>void<\/span>)<\/span> {<\/span> \/\/ \u7a7a\u95f2\u94a9\u5b50，\u7528 MSP<\/span>
\n process_pending_events<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u53ef\u80fd\u9012\u5f52<\/span>
\n}<\/span>
\nvoid<\/span> process_pending_events<\/span>(<\/span>void<\/span>)<\/span> {<\/span>
\n if<\/span> (<\/span>has_event<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
\n handle_event<\/span>(<\/span>)<\/span>;<\/span>
\n process_pending_events<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u2190 \u9012\u5f52\u8c03\u7528\u81ea\u5df1，\u538b MSP<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u9519\u5728\u54ea：<\/p>\n

  • \u7a7a\u95f2\u94a9\u5b50\u5728 RTOS \u7a7a\u95f2\u4efb\u52a1\u91cc\u8dd1，\u7528\u7684\u662f MSP（\u4e3b\u6808）\u3002<\/li>\n
  • process_pending_events \u9012\u5f52，\u6bcf\u5904\u7406\u4e00\u4e2a\u4e8b\u4ef6\u538b\u4e00\u5e27\u3002\u4e8b\u4ef6\u591a\u65f6\u9012\u5f52\u5f88\u6df1\u3002<\/li>\n
  • \u6bcf\u5e27\u6d88\u8017 MSP \u7a7a\u95f4，MSP \u672c\u5c31\u5c0f（1KB），\u4e8b\u4ef6\u5806\u79ef\u65f6\u8fc5\u901f\u5543\u7a7f\u3002<\/li>\n
  • MSP \u6ea2\u51fa \u2192 \u8e29\u5230\u76f8\u90bb RAM\/\u5411\u91cf\u8868 \u2192 HardFault\u3002\u4efb\u52a1\u6808\u6c34\u7ebf uxTaskGetStackHighWaterMark \u5b8c\u5168\u6b63\u5e38（\u56e0\u4e3a\u5b83\u6d4b\u7684\u662f PSP）\u3002<\/li>\n

    [\u5751] \u94c1\u5f8b：\u94a9\u5b50\/\u4e2d\u65ad\u4e0a\u4e0b\u6587\u91cc\u7981\u6b62\u65e0\u754c\u9012\u5f52\u3002\u9012\u5f52\u6d88\u8017\u7684\u53ef\u80fd\u662f MSP \u800c\u975e\u4efb\u52a1\u6808，\u4efb\u52a1\u6808\u6c34\u7ebf\u6b63\u5e38\u4e5f\u4f1a HardFault\u3002<\/p>\n

    3.2 \u4e3a\u4ec0\u4e48"\u6808\u6c34\u7ebf\u770b\u7740\u591f"<\/h4>\n

    uxTaskGetStackHighWaterMark \u6d4b\u7684\u662f\u5f53\u524d\u4efb\u52a1 PSP \u5269\u4f59，\u4e0d\u662f MSP\u3002\u5d29\u5728 MSP \u4e0a，\u8fd9\u628a\u5c3a\u5b50\u6d4b\u4e0d\u5230 \u2192 \u8bef\u5bfc\u4f60\u4ee5\u4e3a"\u6808\u591f"\u3002\u5fc5\u987b\u5355\u72ec\u6d4b MSP\u3002<\/p>\n\n\u68c0\u6d4b\u624b\u6bb5\u80fd\u6d4b\u5230 MSP \u6ea2\u51fa?<\/tr>\n\n\n\n\n
    uxTaskGetStackHighWaterMark<\/td>\n\u274c \u53ea\u6d4b PSP<\/td>\n<\/tr>\n
    HardFault dump PC<\/td>\n\u2705 \u5b9a\u4f4d\u5230\u94a9\u5b50<\/td>\n<\/tr>\n
    MSP \u6c34\u7ebf\u586b\u5145\u6cd5<\/td>\n\u2705<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u56db\u3001\u6b63\u786e\u89e3\u6cd5：\u94a9\u5b50\u6539\u8fed\u4ee3 + \u6d4b MSP \u6c34\u7ebf（\u5b8c\u6574\u843d\u5730）<\/h3>\n

    4.1 \u65b9\u6848\u5bf9\u6bd4<\/h4>\n\n\u65b9\u6848\u6839\u6cbb\u8bf4\u660e<\/tr>\n\n\n\n
    \u94a9\u5b50\u9012\u5f52<\/td>\n\u5543\u7a7f MSP<\/td>\n\u9519<\/td>\n<\/tr>\n
    \u94a9\u5b50\u6539\u8fed\u4ee3\/\u9650\u6df1<\/td>\n\u6839\u6cbb<\/td>\n\u6b63\u89e3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    4.2 \u914d\u7f6e（\u7167\u7740\u70b9）<\/h4>\n

    FreeRTOSConfig.h：\u4fdd\u6301 configCHECK_FOR_STACK_OVERFLOW=2（\u6808\u6ea2\u51fa\u94a9\u5b50）；\u542f\u52a8\u6587\u4ef6 Stack_Size \u9002\u5f53\u52a0\u5927（\u5982 2KB）\u4f5c\u7f13\u51b2，\u4f46\u6839\u672c\u662f\u6539\u9012\u5f52\u3002<\/p>\n

    4.3 \u5b8c\u6574\u4ee3\u7801（\u53ef\u76f4\u63a5\u7f16\u8bd1）<\/h4>\n

    \/\/ \u2705 \u6b63\u786e：\u94a9\u5b50\u6539\u8fed\u4ee3，\u7528\u5faa\u73af\u66ff\u4ee3\u9012\u5f52<\/span>
    \nvoid<\/span> vApplicationIdleHook<\/span>(<\/span>void<\/span>)<\/span> {<\/span>
    \n while<\/span> (<\/span>has_event<\/span>(<\/span>)<\/span>)<\/span> {<\/span> \/\/ \u8fed\u4ee3，\u4e0d\u538b\u6808<\/span>
    \n handle_event<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>++<\/span>loop_guard ><\/span> MAX_EVENTS_PER_IDLE)<\/span> break<\/span>;<\/span> \/\/ \u9650\u6b21\u9632\u7206<\/span>
    \n }<\/span>
    \n}<\/span><\/p>\n

    \/\/ MSP \u6c34\u7ebf\u5b9e\u6d4b：\u542f\u52a8\u628a MSP \u533a\u586b 0xCD，\u8dd1\u4e45\u770b\u88ab\u6539\u5199\u6df1\u5ea6<\/span>
    \nextern<\/span> uint32_t<\/span> _estack;<\/span> \/\/ \u6808\u9876（\u6700\u9ad8\u5730\u5740）<\/span>
    \nextern<\/span> uint32_t<\/span> _sstack;<\/span> \/\/ \u6808\u5e95<\/span>
    \nvoid<\/span> fill_msp_pattern<\/span>(<\/span>void<\/span>)<\/span> {<\/span>
    \n for<\/span> (<\/span>uint32_t<\/span> *<\/span>p =<\/span> &<\/span>_sstack;<\/span> p <<\/span> &<\/span>_estack;<\/span> p++<\/span>)<\/span> *<\/span>p =<\/span> 0xCDCDCDCD<\/span>;<\/span>
    \n}<\/span>
    \n\/\/ \u8dd1 N \u5c0f\u65f6\u540e\u8bfb _sstack \u8d77\u7b2c\u4e00\u4e2a\u975e 0xCD \u7684\u4f4d\u7f6e = \u6700\u6df1\u4f7f\u7528<\/span><\/p>\n

    [\u5751] \u4e24\u4e2a\u7ffb\u8f66\u70b9\u6536\u597d：<\/p>\n

  • \u94a9\u5b50\/ISR \u91cc\u5199\u9012\u5f52\u2014\u2014\u5543\u7a7f MSP \u6839\u56e0；\u6539\u8fed\u4ee3 + \u52a0\u6b21\u6570\u5b88\u536b\u3002<\/li>\n
  • \u53ea\u770b\u4efb\u52a1\u6808\u6c34\u7ebf\u5224\u65ad"\u6808\u591f"\u2014\u2014\u6f0f\u4e86 MSP；\u7528\u586b\u5145\u6cd5\u5b9e\u6d4b MSP \u6700\u6df1\u4f7f\u7528\u3002<\/li>\n

    4.4 \u6539\u5b8c\u7684\u5b9e\u6d4b\u5bf9\u6bd4<\/h4>\n\n\u6307\u6807\u6539\u524d（\u9012\u5f52\u94a9\u5b50）\u6539\u540e（\u8fed\u4ee3\u94a9\u5b50）<\/tr>\n\n\n\n\n
    \u5076\u53d1 HardFault<\/td>\n\u51e0\u5929\u4e00\u6b21<\/td>\n\u8fde\u7eed\u6570\u5468 0<\/td>\n<\/tr>\n
    \u4efb\u52a1\u6808\u6c34\u7ebf<\/td>\n\u6b63\u5e38（\u8bef\u5bfc）<\/td>\n\u6b63\u5e38<\/td>\n<\/tr>\n
    MSP \u6700\u6df1\u4f7f\u7528<\/td>\n\u8d85 Stack_Size<\/td>\n\u8fdc\u4f4e\u4e8e\u4e0a\u9650<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4e94\u3001\u6536\u5c3e<\/h3>\n

    \u8981\u70b9\u590d\u76d8<\/p>\n

  • RTOS \u5076\u53d1 HardFault \u4f46\u4efb\u52a1\u6808\u6c34\u7ebf\u6b63\u5e38，\u8981\u6000\u7591 MSP（\u4e3b\u6808）\u88ab\u5543\u7a7f\u3002<\/li>\n
  • \u94a9\u5b50\/\u4e2d\u65ad\u4e0a\u4e0b\u6587\u7528 MSP，\u91cc\u9762\u5199\u9012\u5f52\u4f1a\u6084\u6084\u5543\u7a7f\u5b83\u3002<\/li>\n
  • \u94a9\u5b50\u6539\u8fed\u4ee3 + \u9650\u6b21；\u5e76\u7528\u586b\u5145\u6cd5\u5b9e\u6d4b MSP \u6c34\u7ebf，\u522b\u53ea\u770b\u4efb\u52a1\u6808\u3002<\/li>\n

    \u6700\u4f73\u5b9e\u8df5\u6e05\u5355<\/p>\n

      \n
    • \u94a9\u5b50\/idle hook\/\u5b9a\u65f6\u5668\u56de\u8c03\u91cc\u7981\u6b62\u65e0\u754c\u9012\u5f52，\u6539\u8fed\u4ee3 + \u6b21\u6570\u5b88\u536b\u3002<\/li>\n
    • \u4efb\u52a1\u6808\u6c34\u7ebf\u6b63\u5e38 \u2260 \u6ca1\u6808\u95ee\u9898，MSP \u4e5f\u8981\u6d4b（\u586b\u5145\u6cd5）\u3002<\/li>\n
    • \u542f\u52a8\u6587\u4ef6 Stack_Size \u6309\u4e2d\u65ad\u5d4c\u5957\u6df1\u5ea6\u7559\u591f（\u5efa\u8bae \u22651~2KB）\u3002<\/li>\n
    • \u5f00 configCHECK_FOR_STACK_OVERFLOW=2 + \u6ea2\u51fa\u94a9\u5b50，\u5d29\u65f6\u7559\u7ebf\u7d22\u3002<\/li>\n
    • HardFault \u5904\u7406\u51fd\u6570 dump \u6808\u5e27\/PC，\u662f\u5b9a\u4f4d\u9012\u5f52\u94a9\u5b50\u7684\u5229\u5668\u3002<\/li>\n<\/ul>\n

      \u8fdb\u9636\u5ef6\u4f38：Cortex-M \u7684 MSP\/PSP \u5207\u6362\u53ef\u7528 __get_MSP()\/__get_PSP() \u5b9e\u65f6\u8bfb；MPU \u53ef\u7ed9\u6808\u533a\u8bbe\u5b88\u536b\u533a，\u8d8a\u754c\u5373 fault，\u63d0\u524d\u66b4\u9732\u3002<\/p>\n

      \u4e92\u52a8：\u4f60 RTOS \u8fd8\u8e29\u8fc7\u5565\u6808\u5751？\u4e2d\u65ad\u5d4c\u5957\u7206\u6808\u3001\u5c40\u90e8\u5927\u6570\u7ec4\u3001\u6808\u8d8a\u754c\u8e29\u5806？\u8bc4\u8bba\u533a\u804a\u804a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u6808\u591f\u7528\u5374\u968f\u673a HardFault：\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP，\u6808\u6c34\u7ebf\u5b9e\u6d4b \u94a9\u5b50\u6539\u8fed\u4ee3
      \n\u4e00\u3001\u5f00\u7bc7：\u4e00\u4e2a\u771f\u5b9e\u7ffb\u8f66\u73b0\u573a
      \n\u505a\u4e00\u53f0\u5e26 RTOS \u7684\u91c7\u96c6\u5668（STM32F4 FreeRTOS），\u8dd1\u51e0\u5929\u5076\u5c14 HardFault，\u590d\u4f4d\u53c8\u6b63\u5e38\u3002\u5806\u6808\u914d\u5f97\u5f88\u5927（\u4efb\u52a1\u6808 1KB\u3001\u603b\u5806\u4e5f\u591f），\u6309\u7406\u4e0d\u8be5\u6ea2\u51fa\u3002\u6211\u7528 uxTaskGetStackHighWaterMar<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[11519,11520,174,217,219],"topic":[],"class_list":["post-100733","post","type-post","status-publish","format-standard","hentry","category-server","tag-hardfault","tag-11520","tag-c","tag-stm32","tag-219"],"yoast_head":"\n\u6808\u591f\u7528\u5374\u968f\u673a HardFault\uff1a\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP\uff0c\u6808\u6c34\u7ebf\u5b9e\u6d4b + \u94a9\u5b50\u6539\u8fed\u4ee3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/100733.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6808\u591f\u7528\u5374\u968f\u673a HardFault\uff1a\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP\uff0c\u6808\u6c34\u7ebf\u5b9e\u6d4b + \u94a9\u5b50\u6539\u8fed\u4ee3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6808\u591f\u7528\u5374\u968f\u673a HardFault：\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP，\u6808\u6c34\u7ebf\u5b9e\u6d4b \u94a9\u5b50\u6539\u8fed\u4ee3 \u4e00\u3001\u5f00\u7bc7：\u4e00\u4e2a\u771f\u5b9e\u7ffb\u8f66\u73b0\u573a \u505a\u4e00\u53f0\u5e26 RTOS \u7684\u91c7\u96c6\u5668（STM32F4 FreeRTOS），\u8dd1\u51e0\u5929\u5076\u5c14 HardFault，\u590d\u4f4d\u53c8\u6b63\u5e38\u3002\u5806\u6808\u914d\u5f97\u5f88\u5927（\u4efb\u52a1\u6808 1KB\u3001\u603b\u5806\u4e5f\u591f），\u6309\u7406\u4e0d\u8be5\u6ea2\u51fa\u3002\u6211\u7528 uxTaskGetStackHighWaterMar\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/100733.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-04T23:17:13+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100733.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/100733.html\",\"name\":\"\u6808\u591f\u7528\u5374\u968f\u673a HardFault\uff1a\u94a9\u5b50\u51fd\u6570\u9012\u5f52\u5543\u7a7f MSP\uff0c\u6808\u6c34\u7ebf\u5b9e\u6d4b + \u94a9\u5b50\u6539\u8fed\u4ee3 - 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